CN111776921A - Elevator capable of running stably - Google Patents
Elevator capable of running stably Download PDFInfo
- Publication number
- CN111776921A CN111776921A CN202010500379.8A CN202010500379A CN111776921A CN 111776921 A CN111776921 A CN 111776921A CN 202010500379 A CN202010500379 A CN 202010500379A CN 111776921 A CN111776921 A CN 111776921A
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- traction
- wire rope
- sheave
- guide
- guide wheel
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 99
- 239000010959 steel Substances 0.000 claims abstract description 99
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 5
- 230000004323 axial length Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- 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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
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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)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
A kind of elevator which runs steadily, including the traction sheave and wire rope wound on the said traction sheave, the said traction sheave includes the first traction area with rope groove, the second traction area and the third traction area which are set up sequentially axially, the said wire rope is guided by the guiding mechanism after the rope groove of the first traction area to realize passing through and winding on the rope groove of the third traction area, the second traction area sequentially, and wire rope and first traction area form the downward wrap angle 1, wire rope and third traction area form the upward wrap angle 2, wire rope and second traction area form the downward wrap angle 3; and the steel wire rope winds the rope grooves along the tangential direction of leading-out points of the steel wire rope contacted with the rope grooves, and winds the steel wire rope on the rope grooves along the tangential direction of leading-in points of the steel wire rope contacted with the rope grooves. According to the invention, the friction area between the steel wire rope and the traction sheave is large, the steel wire rope is not easy to slip and slip, the elevator runs stably, the damage to the main shaft of the traction machine is small, and the work of the traction machine can be ensured for a long time.
Description
Technical Field
The invention relates to the field of elevators, in particular to an elevator capable of running stably.
Background
The steel wire rope is an important component in an elevator traction system, and when the elevator is overweight and carrying passengers or the friction coefficient between the steel wire rope and a traction sheave is reduced, the steel wire rope is easy to slip, and the running stability of the elevator is poor.
For this reason, it has been proposed to overcome the problem of the slipping of the wire rope by winding a plurality of turns of the wire rope around the traction sheave to increase the friction area, for example, in the wire rope winding method disclosed in application No. CN201921266077.8, in order to ensure the life and performance of the wire rope, each turn of the wire rope must not interfere with each other, so that the rope groove on the traction sheave in which the wire rope is installed must be a spiral groove, and there is a problem that the wire rope is liable to slip from the rope groove.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the elevator which runs stably, the friction area between a steel wire rope and a traction wheel is large, the elevator is not easy to slip and slip, the elevator runs stably, the damage to a main shaft of a traction machine is small, and the work of the traction machine can be ensured for a long time.
A stably running elevator comprises a traction sheave and a steel wire rope wound on the traction sheave, wherein the traction sheave comprises a first traction area, a second traction area and a third traction area which are sequentially arranged in the axial direction and are provided with rope grooves, the steel wire rope passes through the rope grooves of the first traction area and is guided by a guide mechanism to sequentially pass through and be wound on the rope grooves of the third traction area and the second traction area, the steel wire rope and the first traction area form a first wrap angle facing downwards, the steel wire rope and the third traction area form a second wrap angle facing upwards, and the steel wire rope and the second traction area form a third wrap angle facing downwards; and the steel wire rope winds the rope grooves along the tangential direction of leading-out points of the steel wire rope contacted with the rope grooves, and winds the steel wire rope on the rope grooves along the tangential direction of leading-in points of the steel wire rope contacted with the rope grooves.
In the technical scheme, the steel wire ropes are wound on the rope grooves of a plurality of areas such as the first traction area, the second traction area, the third traction area and the like, and form a large friction contact surface with the traction sheave, so that the steel wire ropes are not easy to slip, and the elevator has good running stability; the steel wire rope is wound out of the rope grooves along the tangential direction of leading-out points of the steel wire rope, which are contacted with the rope grooves, and is wound on the rope grooves along the tangential direction of leading-in points of the steel wire rope, which are contacted with the rope grooves, so that the steel wire rope is not easy to slip off from the rope grooves; in addition, because the traction sheave is provided with three traction areas, namely a first traction area, a second traction area and a third traction area, in the axial direction of the traction sheave, under the condition that a guide mechanism is matched and arranged, the axial length of the traction sheave is inevitably longer, in this case, in the application, the steel wire rope is wound in from the first traction area, passes through the third traction area and finally is wound out from the second traction area, the steel wire rope and the first traction area form a downward wrap angle I, the steel wire rope and the third traction area form an upward wrap angle II, the steel wire rope and the second traction area form a downward wrap angle III, on one hand, the third traction area of the traction sheave is not subjected to the downward shearing force of the steel wire rope, only the first traction area and the second traction area are subjected to the downward shearing force, the shearing force of the traction sheave is controlled within a reasonable range, on the other hand, the positions of the traction sheave which are subjected to the shearing force, namely the first traction area and the second traction area, the shearing moment is reasonably controlled to be closer to the position of the traction machine, so that the damage to the main shaft of the traction machine provided with the traction sheave and the traction sheave per se is small, and the performances of the reliability, the stability and the like of the main shaft of the traction machine and the traction sheave are controlled within a reasonable range.
Preferably, the guiding mechanism comprises a first guiding wheel which is arranged below the first traction area and the central axis of which is vertical to the central axis of the traction sheave, a second guiding wheel and a third guiding wheel which are arranged below the third traction area and are positioned at two sides of the traction sheave and the central axis of which is vertical to the central axis of the traction sheave, a fourth guiding wheel and a fifth guiding wheel which are arranged above the second guiding wheel and are symmetrically arranged at two sides of the traction sheave and the central axis of which is parallel to the central axis of the traction sheave, and a sixth guiding wheel which is arranged below the second traction area and the central axis of which is vertical to the central axis of the traction sheave; the first guide wheel, the second guide wheel and the fourth guide wheel are positioned on the same side of the traction wheel, and the third guide wheel, the fifth guide wheel and the sixth guide wheel are positioned on the same side of the traction wheel and are different from the first guide wheel; and the steel wire rope is wound on the first guide wheel, the second guide wheel, the fourth guide wheel, the fifth guide wheel, the third guide wheel and the sixth guide wheel in sequence, and the steel wire rope is wound on the fourth guide wheel and the fifth guide wheel to form an upward wrap angle II with the third traction area.
Preferably, the guide mechanism further comprises a seventh guide wheel which is arranged above the first guide wheel and has a central axis parallel to the central axis of the traction sheave, and an eighth guide wheel which is arranged above the third guide wheel and below the fifth guide wheel and has a central axis parallel to the central axis of the traction sheave; and the steel wire rope is sequentially wound on a seventh guide wheel, a first guide wheel, a second guide wheel, a fourth guide wheel, a fifth guide wheel, an eighth guide wheel, a third guide wheel and a sixth guide wheel.
Preferably, the direction of the steel wire rope is changed into an axial direction under the guidance of the first guide wheel, the direction of the steel wire rope is changed into a vertical direction under the guidance of the second guide wheel, the direction of the steel wire rope is changed into an axial direction under the guidance of the third guide wheel, and the direction of the steel wire rope is changed into a vertical direction under the guidance of the sixth guide wheel. The arrangement reduces the slippage of the steel wire rope on the first guide wheel, the second guide wheel, the third guide wheel and the sixth guide wheel, and ensures the reliability of the guide.
Preferably, the direction of the steel wire rope is changed into vertical direction under the guidance of the seventh guide wheel, and the direction of the steel wire rope is changed into vertical direction under the guidance of the eighth guide wheel. The slippage of the steel wire rope on the first guide wheel and the third guide wheel is further reduced, and the guiding reliability is further ensured.
Preferably, the fourth guide sheave and the fifth guide sheave are in rolling contact with the traction sheave and provide a supporting force for the traction sheave to support upward. The fourth guide wheel and the fifth guide wheel support the traction wheel upwards on the basis of providing guidance, offset part of shearing torque, further reduce damage to a main shaft of the traction machine, can guarantee the work of the traction machine for a long time, effectively limit the steel wire rope in a rope groove of a third traction area, and further guarantee the running stability of the elevator.
Preferably, the fourth guide wheel and the fifth guide wheel are provided with steel wire rope grooves. Further guarantee elevator operating stability.
Preferably, all of the guide wheels are mounted on a guide wheel mounting bracket.
Preferably, a steel wire rope inlet and a steel wire rope outlet are formed in the guide wheel mounting frame.
Preferably, a rolling support part for rolling and supporting the second traction area is arranged on the guide wheel mounting frame. This setting further offsets partial shear torque, further reduces the damage to the hauler main shaft, further guarantees elevator operating stability.
In conclusion, the invention has the following beneficial effects:
according to the invention, the friction area between the steel wire rope and the traction sheave is large, the steel wire rope is not easy to slip and slip, the elevator runs stably, the damage to the main shaft of the traction machine is small, and the work of the traction machine can be ensured for a long time.
Drawings
Fig. 1 is a schematic view of the installation of a traction sheave;
fig. 2 is a schematic view of the installation of the traction sheave at a first viewing angle without a guide sheave mounting bracket;
fig. 3 is a schematic view of the installation of the traction sheave at a second viewing angle without the guide sheave mounting bracket;
FIG. 4 is a schematic view of the mounting of the roll support;
fig. 5 is a positional arrangement diagram of the fourth guide wheel and the fifth guide wheel.
Detailed Description
The invention will be further explained by means of specific embodiments with reference to the drawings.
Example 1: as shown in fig. 1 to 3, a smooth running elevator comprises a traction sheave 1 and a steel wire rope 2 wound on the traction sheave 1, the traction sheave 1 is connected to a main shaft of a traction machine, one end of the steel wire rope 2 is connected to a cage, the other end is connected to a counterweight housing, the traction sheave 1 comprises a first traction area 11, a second traction area 12 and a third traction area 13 which are sequentially arranged in the axial direction, the first traction area 11, the second traction area 12 and the third traction area 13 are all provided with rope grooves, the steel wire rope 2 passes through the rope grooves of the first traction area 11 and then is guided by the guide mechanism to pass through and wind the rope grooves of the third traction area 13 and the second traction area 12 in sequence, the steel wire rope 2 and the first traction area 11 form a downward wrap angle I, the steel wire rope 2 and the third traction area 13 form an upward wrap angle II, and the steel wire rope 2 and the second traction area 12 form a downward wrap angle III; the steel wire rope 2 is wound out of the rope grooves along a tangential direction of a leading-out point where the steel wire rope 2 contacts each rope groove, and is wound on the rope grooves along a tangential direction of a leading-in point where the steel wire rope 2 contacts each rope groove, where the leading-in point refers to an initial contact point with the rope grooves when the steel wire rope is wound in the rope grooves, and the leading-out point refers to a point where the steel wire rope is separated from the rope grooves when the steel wire rope is wound in the rope grooves, specifically, the steel wire rope, the steel wire rope is wound out of the first traction area 11 along the tangential direction of a leading-out point of the steel wire rope 2 contacted with a rope groove of the first traction area 11, wound around the third traction area 13 along the tangential direction of a leading-in point of the steel wire rope 2 contacted with a rope groove of the third traction area 13, wound out of the third traction area 13 along the tangential direction of a leading-out point of the steel wire rope 2 contacted with a rope groove of the third traction area 13, and wound around the second traction area 12 along the tangential direction of a leading-in point of the steel wire rope 2 contacted with a rope groove of the second traction area 12.
In the technical scheme, the steel wire ropes are wound on the rope grooves of a plurality of areas such as the first traction area 11, the second traction area 12, the third traction area 13 and the like, and form a large friction contact surface with the traction sheave, so that the steel wire ropes are not easy to slip, and the elevator has good running stability; the steel wire rope 2 winds the rope grooves along the tangential direction of leading-out points of the steel wire rope 2, which are contacted with the rope grooves, and winds the steel wire rope 2 on the rope grooves along the tangential direction of leading-in points of the steel wire rope 2, which are contacted with the rope grooves, so that the steel wire rope 2 is not easy to slip off from the rope grooves; in addition, since the traction sheave 1 is provided with three traction areas, i.e., the first traction area 11, the second traction area 12, and the third traction area 13, in the axial direction thereof, the axial length of the traction sheave 1 is inevitably long in the case of the guide mechanism being provided in cooperation therewith, in this case, the wire rope is wound in from the first traction area 11, passes through the third traction area 13, and finally is wound out from the second traction area 12, the wire rope 2 forms a downward wrap angle i with the first traction area 11, the wire rope 2 forms an upward wrap angle ii with the third traction area 13, and the wire rope 2 forms a downward wrap angle iii with the second traction area 12, on the one hand, the downward shearing force of the wire rope 2 is not applied to the third traction area 13 of the traction sheave 1, but only the downward shearing force is applied to the first traction area 11 and the second traction area 12, and the shearing force applied to the traction sheave 1 is controlled within a reasonable range, on the other hand, since the positions of the traction sheave 1 where the shearing force is applied, i.e., the first traction area 11 and the second traction area 12, are relatively close to the hoisting machine, the shearing moment is controlled reasonably, and therefore, the damage to the hoisting machine main shaft on which the traction sheave 1 is mounted and the traction sheave 1 itself is small, and the performances such as reliability and stability of the hoisting machine main shaft and the traction sheave 1 are controlled within a reasonable range.
In this embodiment, the guide mechanism includes a first guide sheave 41 disposed below the first traction area 11 and having a central axis perpendicular to the central axis of the traction sheave 1, second and third guide sheaves 42 and 43 disposed below the third traction area 13 on both sides of the traction sheave 1 and having a central axis perpendicular to the central axis of the traction sheave 1, fourth and fifth guide sheaves 44 and 45 disposed above the second guide sheave 42 and symmetrically disposed on both sides of the traction sheave 1 and having a central axis parallel to the central axis of the traction sheave 1, and a sixth guide sheave 46 disposed below the second traction area 12 and having a central axis perpendicular to the central axis of the traction sheave 1, the first guide pulley 41, the second guide pulley 42 and the fourth guide pulley 44 are positioned at the same side of the traction sheave 1, the third guide wheel 43, the fifth guide wheel 45 and the sixth guide wheel 46 are positioned on the same side of the traction sheave 1 and are different from the first guide wheel 41; the steel wire rope 2 is sequentially wound on the first guide wheel 41, the second guide wheel 42, the fourth guide wheel 44, the fifth guide wheel 45, the third guide wheel 43 and the sixth guide wheel 46, the steel wire rope 2 is wound around the fourth guide wheel 44 and the fifth guide wheel 45 to form an upward wrap angle II with the third traction area 13, the direction of the steel wire rope 2 is changed into an axial direction under the guidance of the first guide wheel 41, the direction of the steel wire rope 2 is changed into a vertical direction under the guidance of the second guide wheel 42, the direction of the steel wire rope 2 is changed into an axial direction under the guidance of the third guide wheel 43, the direction of the steel wire rope 2 is changed into a vertical direction under the guidance of the sixth guide wheel 46, the occurrence of a slip phenomenon of the steel wire rope 2 on the first guide wheel 41, the second guide wheel 42, the third guide wheel 43 and the sixth guide wheel 46 is reduced, and the guiding reliability is ensured.
Further, the guiding mechanism further comprises a seventh guide pulley 47 which is arranged above the first guide pulley 41 and has a central axis parallel to the central axis of the traction sheave 1, and an eighth guide pulley 48 which is arranged above the third guide pulley 43 and below the fifth guide pulley 45 and has a central axis parallel to the central axis of the traction sheave 1, the wire rope 2 is sequentially wound on the seventh guide pulley 47, the first guide pulley 41, the second guide pulley 42, the fourth guide pulley 44, the fifth guide pulley 45, the eighth guide pulley 48, the third guide pulley 43 and the sixth guide pulley 46, the direction of the wire rope 2 is changed into an axial direction under the guidance of the first guide pulley 41, the direction of the wire rope 2 is changed into a vertical direction under the guidance of the second guide pulley 42, the direction of the wire rope 2 is changed into an axial direction under the guidance of the third guide pulley 43, the direction of the wire rope 2 is changed into a vertical direction under the guidance of the sixth guide pulley 46, the occurrence of the slipping phenomenon of the wire rope 2 on the first guide pulley 41 and the third guide pulley 43 is further reduced, and the reliability of the guidance is further ensured.
In this embodiment, all the guide wheels are installed on the guide wheel installation frame 5, a steel wire rope inlet 51 and a steel wire rope outlet 52 are provided on the guide wheel installation frame 5, the steel wire rope is wound around the rope groove of the first traction area 11 after passing through the steel wire rope inlet 51, and the steel wire rope is wound out of the rope groove of the second traction area 12, passes through the steel wire rope outlet 52 and is connected with the counterweight housing.
Preferably, as shown in fig. 4, a rolling support part 53 for rolling and supporting the second traction area 12 is provided on the guide wheel mounting bracket 5, and the rolling support part 53 may be a roller, a ball, or the like, to further offset a part of the shearing torque, further reduce damage to the main shaft of the traction machine, and further ensure the operation stability of the elevator.
Preferably, as shown in fig. 5, the fourth guide sheave 44 and the fifth guide sheave 45 are in rolling contact with the traction sheave 1 and provide a supporting force for supporting the traction sheave 1 upward, so that the fourth guide sheave 44 and the fifth guide sheave 45 support the traction sheave 1 upward on the basis of providing guidance, thereby offsetting a part of the shearing torque, further reducing damage to the main shaft of the traction machine, ensuring the operation of the traction machine for a long time, and effectively limiting the wire rope 2 in the rope groove of the third traction area 13, thereby further ensuring the operation stability of the elevator. And the fourth guide wheel 44 and the fifth guide wheel 45 are provided with steel wire rope grooves, so that the steel wire ropes are further limited in the steel wire rope grooves, and the running stability of the elevator is further ensured.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (10)
1. The elevator capable of running stably comprises a traction sheave (1) and a steel wire rope (2) wound on the traction sheave (1), and is characterized in that the traction sheave (1) comprises a first traction area (11), a second traction area (12) and a third traction area (13) which are axially and sequentially arranged and are provided with rope grooves, the steel wire rope (2) is guided by a guide mechanism after passing through the rope grooves of the first traction area (11) to sequentially pass through and be wound on the rope grooves of the third traction area (13) and the second traction area (12), the steel wire rope (2) and the first traction area (11) form a first wrap angle facing downwards, the steel wire rope (2) and the third traction area (13) form a second wrap angle facing upwards, and the steel wire rope (2) and the second traction area (12) form a third wrap angle facing downwards; the steel wire rope (2) winds out of the rope grooves along the tangential direction of leading-out points of the steel wire rope (2) contacted with the rope grooves, and winds on the rope grooves along the tangential direction of leading-in points of the steel wire rope (2) contacted with the rope grooves.
2. A running smoothly elevator according to claim 1, characterized in that the guiding mechanism comprises a first guiding sheave (41) disposed below the first traction area (11) and having a central axis perpendicular to the central axis of the traction sheave (1), a second guiding sheave (42) and a third guiding sheave (43) disposed below the third traction area (13) on both sides of the traction sheave (1) and having a central axis perpendicular to the central axis of the traction sheave (1), a fourth guiding sheave (44) and a fifth guiding sheave (45) disposed above the second guiding sheave (42) and symmetrically disposed on both sides of the traction sheave (1) and having a central axis parallel to the central axis of the traction sheave (1), and a sixth guiding sheave (46) disposed below the second traction area (12) and having a central axis perpendicular to the central axis of the traction sheave (1); the first guide wheel (41), the second guide wheel (42) and the fourth guide wheel (44) are positioned on the same side of the traction wheel (1), and the third guide wheel (43), the fifth guide wheel (45) and the sixth guide wheel (46) are positioned on the same side of the traction wheel (1) and are different from the first guide wheel (41);
the steel wire rope (2) is sequentially wound on the first guide wheel (41), the second guide wheel (42), the fourth guide wheel (44), the fifth guide wheel (45), the third guide wheel (43) and the sixth guide wheel (46), and the steel wire rope (2) is wound on the fourth guide wheel (44) and the fifth guide wheel (45) and then forms an upward wrap angle II with the third traction area (13).
3. A running elevator according to claim 2, characterized in that the guide means further comprises a seventh guide sheave (47) disposed above the first guide sheave (41) with a central axis parallel to the central axis of the traction sheave (1), and an eighth guide sheave (48) disposed above the third guide sheave (43) and below the fifth guide sheave (45) with a central axis parallel to the central axis of the traction sheave (1); the steel wire rope (2) is sequentially wound on a seventh guide wheel (47), a first guide wheel (41), a second guide wheel (42), a fourth guide wheel (44), a fifth guide wheel (45), an eighth guide wheel (48), a third guide wheel (43) and a sixth guide wheel (46).
4. A running elevator according to claim 2, characterized in that the wire rope (2) run becomes axial under the guidance of the first guide pulley (41), the wire rope (2) run becomes vertical under the guidance of the second guide pulley (42), the wire rope (2) run becomes axial under the guidance of the third guide pulley (43), and the wire rope (2) run becomes vertical under the guidance of the sixth guide pulley (46).
5. A running elevator according to claim 3, characterized in that the wire rope (2) run becomes vertical guided by the seventh guide pulley (47) and the wire rope (2) run becomes vertical guided by the eighth guide pulley (48).
6. A running elevator according to claim 2, characterized in that the fourth guide sheave (44), the fifth guide sheave (45) are in rolling contact with the traction sheave (1) and provide a supporting force with which the traction sheave (1) is supported upward.
7. A running elevator according to claim 1, characterized in that the fourth guide sheave (44) and the fifth guide sheave (45) are provided with wire rope grooves.
8. A running elevator according to claim 1, characterized in that all the guide wheels are mounted on a guide wheel mounting (5).
9. A running elevator according to claim 8, characterized in that the guide pulley mounting frame (5) is provided with a rope passage opening (51) and a rope passage opening (52).
10. A running elevator according to claim 8, characterized in that the guide wheel mounting bracket (5) is provided with a rolling support (53) for rolling supporting the second traction area (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500379.8A CN111776921B (en) | 2020-06-04 | 2020-06-04 | Elevator capable of running stably |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500379.8A CN111776921B (en) | 2020-06-04 | 2020-06-04 | Elevator capable of running stably |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111776921A true CN111776921A (en) | 2020-10-16 |
| CN111776921B CN111776921B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010500379.8A Expired - Fee Related CN111776921B (en) | 2020-06-04 | 2020-06-04 | Elevator capable of running stably |
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| Country | Link |
|---|---|
| CN (1) | CN111776921B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003366A (en) * | 2021-02-01 | 2021-06-22 | 泰州威迈机电科技有限公司 | Traction device with elevator traction steel wire rope slippage detection device |
| CN113250477A (en) * | 2021-06-01 | 2021-08-13 | 魏荷招 | High-stability protection device for high-rise building construction |
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| CN105480885A (en) * | 2016-01-14 | 2016-04-13 | 李贤明 | Vertical lifting mechanism |
| CN108046080A (en) * | 2017-11-28 | 2018-05-18 | 浙江西沃电梯有限公司 | A kind of anti-steel wire iope slippage elevator |
| CN108439139A (en) * | 2018-04-08 | 2018-08-24 | 杭州辛辰科技有限公司 | A kind of spiral tracking-driven elevator |
| CN208429737U (en) * | 2018-07-12 | 2019-01-25 | 苏州福特美福电梯有限公司 | A kind of novel elevator drag device |
| CN209275931U (en) * | 2018-10-19 | 2019-08-20 | 天津市恒兴致业机械制造有限公司 | A kind of traction sheave of Anti-rope drop |
| CN209291755U (en) * | 2019-01-15 | 2019-08-23 | 杭州职业技术学院 | A kind of elevator traction preventing wire rope from falling slot structure |
| CN210176274U (en) * | 2019-05-29 | 2020-03-24 | 上海江菱机电有限公司 | Novel elevator traction machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003366A (en) * | 2021-02-01 | 2021-06-22 | 泰州威迈机电科技有限公司 | Traction device with elevator traction steel wire rope slippage detection device |
| CN113003366B (en) * | 2021-02-01 | 2024-01-30 | 泰州威迈机电科技有限公司 | Traction device with elevator traction steel wire rope slip detection device |
| CN113250477A (en) * | 2021-06-01 | 2021-08-13 | 魏荷招 | High-stability protection device for high-rise building construction |
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