CN113003366A - Traction device with elevator traction steel wire rope slippage detection device - Google Patents
Traction device with elevator traction steel wire rope slippage detection device Download PDFInfo
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- CN113003366A CN113003366A CN202110138582.XA CN202110138582A CN113003366A CN 113003366 A CN113003366 A CN 113003366A CN 202110138582 A CN202110138582 A CN 202110138582A CN 113003366 A CN113003366 A CN 113003366A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 100
- 239000010959 steel Substances 0.000 title claims abstract description 100
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
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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
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- 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
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- 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 with an elevator traction steel wire rope slippage detection device, which is connected with a lift car and a counterweight block of an elevator, and comprises a traction machine, a plurality of guide wheels, a first steel cable bundle and a second steel cable bundle, wherein the first steel cable bundle and the second steel cable bundle are respectively connected with the lift car at one end, the other ends of the first steel cable bundle and the second steel cable bundle are connected to the counterweight block after bypassing the traction machine and the plurality of guide wheels, and the winding directions of the first steel cable bundle and the second steel cable bundle on the traction machine are opposite and symmetrical. There are two sets of traction wire rope at car top to the connection of car vertical axis for the symmetry is at car top surface, first steel cable bundle hauler one side, and the wire winding of second steel cable bundle hauler opposite side, and the wire winding mode of symmetry makes the application of force of elevator load on the hauler also the symmetry towards the hauler axis, thereby the hauler can not take place the risk that the pivot is buckled, long-term use, the bearing life-span of hauler pivot can increase greatly, alleviates the 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 slippage detection device.
Background
Elevators are a type of transportation machine that is becoming more widely used, and almost every building is equipped with elevators.
The safety of elevator must be guaranteed, wherein, the draw gear for driving the elevator to go up and down is the core part of elevator, its operational stability directly determines elevator safety in utilization and life-span, in the prior art, the elevator goes up and down through the steel cable traction, and the hauler drives the steel cable and removes, in most elevator structures, all directly connect the steel cable to the balancing weight after bypassing the hauler, the steel cable oppresses the hauler pivot with unchangeable direction for a long time, the flexural deformation of pivot is a common problem, also be the part that must inspect in elevator overhaul, in addition, the steel cable skids on the traction sheave and also can take place danger, how to carry out quick verification is a outstanding problem of safety.
Disclosure of Invention
The invention aims to provide a traction device with an elevator traction steel wire rope slippage detection device, which solves the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a take elevator to tow the draw gear of wire rope detection device that skids, connects the car and the balancing weight of elevator, and draw gear includes hauler, a plurality of guide pulleys and first steel cable bundle and second steel cable bundle, and first steel cable bundle and second steel cable bundle are one end car respectively, and first steel cable bundle and second steel cable bundle other end are connected to the balancing weight after passing around hauler, a plurality of guide pulleys on, first steel cable bundle and second steel cable bundle wire winding opposite direction and symmetry on the hauler. There are two sets of traction wire rope at car top to the connection of car vertical axis for the symmetry is at car top surface, first steel cable bundle hauler one side, and the wire winding of second steel cable bundle hauler opposite side, and the wire winding mode of symmetry makes the application of force of elevator load on the hauler also the symmetry towards the hauler axis, thereby the hauler can not take place the risk that the pivot is buckled, long-term use, the bearing life-span of hauler pivot can increase greatly, alleviates the maintenance cost.
Furthermore, the traction machine comprises a traction wheel, the guide wheel comprises a high-position guide wheel, a steering guide wheel and a wire-binding guide wheel, the upper and lower relations of the high-position guide wheel, the steering guide wheel and the wire-binding guide wheel are sequentially from high to low, the traction wheel is positioned between the high-position guide wheel and the steering guide wheel in height, the axes of the high-position guide wheel and the steering guide wheel are respectively positioned at two sides of the traction wheel in horizontal direction,
the first steel cable bundle firstly rises to wind the high-position guide wheel, then falls to wind the traction wheel, then horizontally turns back at the steering guide wheel, finally winds the wire-binding guide wheel and then is connected to the counterweight,
the second steel cable bundle rises to pass through the traction wheel, then bends to reach the wire-combining guide wheel, and then is connected to the counterweight.
The structure is a specific form of double winding, the second steel cable bundle is connected to the balancing weight part after bypassing the traction wheel like the traditional single-wire traction form, in order to vertically arrange a section of cable connected to the balancing weight, a wire-combining guide wheel is arranged above the balancing weight, and the first steel cable bundle needs to bypass the traction wheel in the other winding direction, so a high-position guide wheel and a steering guide wheel need to be added for winding steering, the guide wheel structure only needs to carry wires without traction operation of the wires, therefore, the single stress direction of the guide wheel causes the damage of a guide wheel bearing not to be too serious, the guide wheel bearing position structure is simple, the maintenance is convenient, in the traction device, the guide wheel structure cannot be avoided, the bearing of the traction wheel has a more complex structure, and the bearing damage probability of the traction wheel is reduced after the double-winding form, the operation stability can be remarkably improved.
Further, the wrap angles of the first wire rope and the second wire rope on the traction sheave are equal and are centrosymmetric with respect to the axis of the traction sheave. The wrap angles are equal and are centrosymmetric, so that the force application of the steel cable bundles to the traction sheave is completely symmetric, 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-binding guide wheel, 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 wheel and the steering guide wheel, and the wrap angle is adjusted to be in a proper state by changing the position of the guide wheel.
Furthermore, the traction device also comprises a slip detection structure, and the slip detection structure acquires the rotation speed of the traction wheel and the linear speeds of the first steel cable bundle and the second steel cable bundle, and summarizes and compares the rotation speed and the linear speeds to determine whether the traction wheel slips or not. The slip detection structure is used for alarming when the steel cable bundle slips, and when the steel cable bundle slips, the rotating linear speed of the traction wheel and the linear speed of the steel cable bundle have difference and serve as a slip judgment condition.
Furthermore, the skid detection structure comprises a wire passing box, a wire sticking wheel, a vibrating rod and a pre-tightening spring, wherein the wire sticking 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 is tightly attached to the contour of the wire sticking wheel in the wire passing box,
the wire sticking wheel is in a triangle shape with equal width, the center of the wire sticking 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 tightly presses the wire sticking wheel towards the first steel cable bundle or the second steel cable bundle.
First steel cable bundle through traction sheave traction motion passes through the line box, contact with pasting the line wheel in crossing the line box, when first steel cable bundle motion, can pull through frictional force and paste the line wheel and rotate, however, paste the line wheel and be not circular, but the isowidth curve, the rotation of carrying out pasting the line wheel can be gone on, however, its central point can be undulant from top to bottom constantly, the linear velocity of first steel cable bundle changes the vibration frequency of vibrating arm into, thereby do the judgement that compares and draw whether take place to skid with the rotation cycle of this frequency and traction sheave, set up the structure of listening that skids of corresponding part on second steel cable bundle the same principle.
Furthermore, a plurality of winding grooves are formed in the traction sheave, and the first steel cable bundle and the second steel cable bundle are wound in the winding grooves respectively; the single cables of the first steel cable bundle and the second steel cable bundle are sequentially arranged in a staggered mode.
The steel cable bundles are distributed in a staggered mode, so that the traction force of the traction wheel to the steel cables is uniform, and the cables are not interfered.
Furthermore, the traction device also 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 the rotation speed from the first steel cable bundle or the second steel cable bundle through a line friction mode, the first ratchet wheel and the second ratchet wheel are coaxially arranged and axially adjacent, the deflection block is rotatably arranged on the installation rack 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 the initial state, and the ratchet directions 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 wheel and the steel cable bundle, and can be adjusted to be equal in rotating speed in the same direction under a normal state through a transmission ratio.
Compared with the prior art, the invention has the following beneficial effects: the invention respectively bypasses the steel cable bundles for bearing the lift car from two sides of the traction sheave in a symmetrical double-winding mode, so that the load on the traction sheave is symmetrical and centripetal, the damage caused by the bending deformation of the traction sheave is prevented, and the added structure is only one or two groups of guide wheels; the slippage detection structure obtains the wire harness speed of the steel cable through rolling friction, converts the wire harness speed into the up-down fluctuation frequency of the central position through an equal-width triangle, and can directly compare the up-down fluctuation frequency with the rotation period of the traction wheel to obtain a slippage judgment structure; the reverse locking structure only allows the operation at the same speed through the ratchet structures arranged in opposite directions, and does not allow the overlarge different speeds in the same direction and the reverse movement of the two ratchets.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the winding at the traction wheel of the present invention;
fig. 3 is a schematic perspective view of a traction sheave of the present invention;
FIG. 4 is a schematic structural view of the reverse locking structure of the present invention;
in the figure: 1-a traction sheave, 11-a wire groove, 21-a high-position guide wheel, 22-a steering guide wheel, 23-a wire-binding guide wheel, 31-a first steel cable bundle, 32-a second steel cable bundle, 41-a wire passing box, 42-a wire sticking wheel, 43-a vibrating rod, 44-a pre-tightening spring, 51-a first ratchet wheel, 52-a second ratchet wheel, 53-a deflection block, 91-a traction machine room, 92-an elevator room, 93-a counterweight room, 94-a car and 95-a counterweight block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions:
the utility model provides a take elevator to tow the draw gear of wire rope slippage detection device, connect the car 94 and the balancing weight 95 of elevator, draw gear includes hauler, a plurality of guide pulleys and first wire rope bundle 31 and second wire rope bundle 32, first wire rope bundle 31 and second wire rope bundle 32 one end car 94 respectively, first wire rope bundle 31 and second wire rope bundle 32 other end are connected to on the balancing weight 95 after bypassing hauler, a plurality of guide pulleys, first wire rope bundle 31 and second wire rope bundle 32 are on the hauler wire winding opposite direction and symmetry. As shown in fig. 1, two groups of traction steel cables are arranged on the top of the car 94, and are symmetrically connected to the top surface of the car 94 by taking the vertical central axis of the car as a center axis, the first steel cable bundle 31 is wound from the lower right side of the tractor in a view, and the second steel cable bundle 32 is wound from the upper left side of the tractor in the view direction, and the symmetrical winding mode enables the force applied by the elevator load on the tractor to be symmetrically oriented to the axis of the tractor, so that the tractor does not have the risk of the rotating shaft being bent, the service life of the bearing of the rotating shaft of the tractor can be greatly prolonged in a long-term use process, and the.
The traction machine comprises a traction sheave 1, the guide wheels comprise a high-position guide wheel 21, a steering guide wheel 22 and a wire-binding guide wheel 23, the high-position guide wheel 21, the steering guide wheel 22 and the wire-binding guide wheel 23 are sequentially arranged from high to low in the vertical relation, the traction sheave 1 is positioned between the high-position guide wheel 21 and the steering guide wheel 22 in height, the axes of the high-position guide wheel 21 and the steering guide wheel 22 are respectively positioned at two sides of the traction sheave 1 in the horizontal direction,
the first wire rope 31 goes up around the upper guide wheel 21, then goes down around the traction sheave 1, then turns back horizontally at the turning guide wheel 22, finally goes around the wire-combining guide wheel 23 and then is connected to the counterweight 95,
the second wire rope 32 goes up around the traction sheave 1 and then bends to the wire-combining guide pulley 23, and then is connected to the weight 95.
The structure is a specific form of double winding, the second steel cable bundle 32 is transferred to the counterweight block 95 part after passing around the traction wheel 1 like the traditional form of single-wire traction, in order to vertically arrange a section of cable connected on the counterweight block 95, a wire-bound guide wheel 23 is arranged above the counterweight block 95, and the first steel cable bundle 31 needs to pass around the traction wheel 1 in the other winding direction, so a high-position guide wheel 21 and a steering guide wheel 22 are needed to be added for winding and steering, the guide wheel structure only needs to carry wires without carrying the traction operation of the wires, therefore, the single stress direction of the guide wheel causes the damage of a guide wheel bearing and is not too serious, the guide wheel bearing has a simple structure and is convenient to maintain, in the traction device, the guide wheel structure is unavoidable, the bearing of the traction wheel 1 has a more complex structure, and after passing through the form of double winding, the bearing damage probability of the traction sheave 1 is reduced, and the operation 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 are centrosymmetric with respect to the axis of the traction sheave 1. The wrap angles are equal and are centrosymmetric, so that the force application of the steel cable bundles to the traction sheave 1 is ensured to be completely symmetric, 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-closing guide wheel 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 wheel 21 and the steering guide wheel 22, and the wrap angle is adjusted to be in a proper state by changing the positions of the guide wheels.
The traction device further comprises a slip detection structure, and 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 rotation speed and the linear speeds to determine whether the traction wheel slips or not. The slippage detection structure is used for alarming when the steel cable bundle slips, and when the steel cable bundle slips, the rotating linear speed of the traction wheel 1 and the linear speed of the steel cable bundle have difference and serve as slippage judgment conditions.
The slip detection structure comprises a wire passing box 41, a wire sticking wheel 42, a vibrating rod 43 and a pre-tightening spring 44, wherein the wire sticking wheel 42, the vibrating rod 43 and the pre-tightening spring 44 are all arranged in the wire passing box 41,
the first cable bundle 31 or the second cable bundle 32 to be tested passes through the wire passing box 41 and is tightly attached to the contour of the wire wheel 42 in the wire passing box 41,
the wire sticking wheel 42 is in a triangle shape with equal width, the center of the wire sticking 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 tightly presses the wire sticking 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 bundle 31 drawn by the traction sheave 1 passes through the wire passing box 41 and contacts the wire sticking wheel 42 in the wire passing box 41, and when the first wire rope bundle 31 moves, the wire sticking wheel 42 is pulled to rotate by friction force, but the wire sticking wheel 42 is not circular but has an equal-width curve, and the rotation of the wire sticking wheel 42 can be performed, but the center position thereof fluctuates up and down continuously, the linear velocity of the first wire rope bundle 31 is converted into the vibration frequency of the vibration rod 43, and the frequency is compared with the rotation period of the traction sheave 1, so as to determine whether a slip occurs, and similarly, a slip detection structure of corresponding parts is provided on the second wire rope bundle 32.
The traction sheave 1 is provided with a plurality of winding grooves 11, and a first wire rope bundle 31 and a second wire rope bundle 32 are wound in the winding grooves 11 respectively; the single cables of the first cable bundle 31 and the second cable bundle 32 are arranged in a staggered manner in sequence.
As shown in fig. 3, the bundles of steel cables are alternately wired, so that the traction force of the traction sheave 1 to the steel cables is uniform, and the cables 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 sheave 1, the second ratchet wheel 52 obtains the rotation speed from the first cable bundle 31 or the second cable bundle 32 through a wire 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 to the axis of the first ratchet wheel 51 in the 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 speed of the traction sheave 1 and the cable rope respectively, and through the transmission ratio, the speed can be adjusted to be normal, the first ratchet wheel 51 and the second ratchet wheel 52 have equal rotating speed in the same direction, when the slip occurs, the first ratchet wheel 51 and the second ratchet wheel 52 no longer have equal rotating speed in the same direction, at this time, the deflecting block 53 will be clamped into a certain pair of ratchet teeth, so as to prevent the first ratchet wheel 51 and the second ratchet wheel 52 from having opposite rotating speed, and thus prevent the cable rope from moving in the opposite direction of the expected movement.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a take elevator to tow wire rope and skid draw gear of detection device, connects car (94) and balancing weight (95) of elevator, its 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 the first steel cable bundle (31) and the second steel cable bundle (32) are respectively provided with one end 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 plurality of guide wheels, and the wire winding directions of the first steel cable bundle (31) and the second steel cable bundle (32) on the traction machine are opposite and symmetrical.
2. The traction device with the elevator traction wire rope slippage detection device according to claim 1, wherein: the traction machine comprises a traction wheel (1), the guide wheel comprises a high-position guide wheel (21), a steering guide wheel (22) and a wire-binding guide wheel (23), the high-position guide wheel (21), the steering guide wheel (22) and the wire-binding guide wheel (23) are sequentially arranged from high to low in the vertical relation, the traction wheel (1) is positioned between the high-position guide wheel (21) and the steering guide wheel (22) in height, the axes of the high-position 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 goes up to wind the high-position guide wheel (21), then goes down to wind the traction wheel (1), then turns back horizontally at the steering guide wheel (22), finally winds the wire-binding guide wheel (23) and then is connected to the counterweight (95),
the second steel cable bundle (32) firstly rises to bypass the traction wheel (1), then bends to reach the wire-combining guide wheel (23), and then is connected to the balancing weight (95).
3. The traction device with the elevator traction wire rope slippage detection device according to claim 2, wherein: the wrap angles of the first cable bundle (31) and the second cable bundle (32) on the traction sheave (1) are equal and are centrosymmetric with respect to the axis of the traction sheave (1).
4. The traction device with the elevator traction wire rope slippage detection device according to claim 2, wherein: 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 performs summary comparison to determine whether the traction wheel slips or not.
5. The traction device with the elevator traction wire rope slippage detection device according to claim 4, wherein: the slip detection structure comprises a wire passing box (41), a wire sticking wheel (42), a vibrating rod (43) and a pre-tightening spring (44), wherein the wire sticking wheel (42), the vibrating rod (43) and the pre-tightening spring (44) are all arranged in the wire passing box (41),
the first steel cable bundle (31) or the second steel cable bundle (32) to be tested passes through the wire passing box (41) and is tightly attached to the contour of the wire sticking wheel (42) in the wire passing box (41),
paste line wheel (42) and be aequilate triangle-shaped, paste line wheel (42) center and vibrting spear (43) one end and articulate, vibrting spear (43) are vertical in crossing line box (41) and are slided, and pretension spring (44) are established to the cover on vibrting spear (43), pretension spring (44) will paste line wheel (42) and press tightly towards first steel cable bundle (31) or second steel cable bundle (32).
6. The traction device with the elevator traction wire rope slippage detection device according to claim 4, wherein: the traction sheave (1) is provided with a plurality of winding grooves (11), and the first steel cable bundle (31) and the second steel cable bundle (32) are wound in the winding grooves (11) respectively; the single cables of the first cable bundles (31) and the second cable bundles (32) are arranged in a staggered mode in sequence.
7. The traction device with the elevator traction wire rope slippage detection device according to claim 4, 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 wheel (1), the second ratchet wheel (52) obtains a rotating speed from the first steel cable bundle (31) or the second steel cable bundle (32) through a line 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 the mounting frames beside the first ratchet wheel (51) and the second ratchet wheel (52) through a torsion spring, a deflection head of the deflection block (53) faces to 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.
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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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| CN113003366B CN113003366B (en) | 2024-01-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538252A (en) * | 2022-01-18 | 2022-05-27 | 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） | Continuous adjusting device and method for wrap angle of traction steel wire rope |
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| CN212101530U (en) * | 2020-04-22 | 2020-12-08 | 韦伯电梯有限公司 | Elevator safety monitoring alarm device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114538252A (en) * | 2022-01-18 | 2022-05-27 | 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） | Continuous adjusting device and method for wrap angle of traction steel wire rope |
| 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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| CN113003366B (en) | 2024-01-30 |
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