CN115159296B - Traction type inclined elevator rope loosening monitoring and early warning device - Google Patents
Traction type inclined elevator rope loosening monitoring and early warning device Download PDFInfo
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- CN115159296B CN115159296B CN202210938119.8A CN202210938119A CN115159296B CN 115159296 B CN115159296 B CN 115159296B CN 202210938119 A CN202210938119 A CN 202210938119A CN 115159296 B CN115159296 B CN 115159296B
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- rope
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 96
- 230000003321 amplification Effects 0.000 claims abstract description 27
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000001960 triggered effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 12
- 238000013016 damping Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
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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
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention relates to the technical field of elevators and discloses a traction type inclined elevator rope loosening monitoring and early warning device which comprises a base, wherein a linear driving mechanism is arranged on the base, a pressure sensor is arranged at the driving end of the linear driving mechanism, and the pressure sensor and the linear driving mechanism are electrically connected with an external PLC. This oblique type elevator rope loosening monitoring early warning device tows formula, through support and take-up pulley with gear amplification mechanism with elevator wire rope's tensioning dynamics turn into lever force transfer to pressure sensor, pressure sensor feeds back the pressure value that detects to outside PLC controller, and control sharp actuating mechanism moves and drives pressure sensor and make the support rotatory, and then make the take-up pulley carry out tensioning to elevator wire rope, simultaneously through gear amplification mechanism to take-up pulley's regulation range in rotatory in-process enlarge and drive metamorphic mechanism selectivity trigger rope loosening travel switch and braking travel switch, realize simple and convenient multistage amplification and detect and the effect of early warning.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a traction type inclined elevator rope loosening monitoring and early warning device.
Background
In recent years, various elevator accidents cause huge losses to lives and properties of people, panic of people to using the elevator is brought, the elevator is used as a transportation means for people to go up and down a building in life, a traction steel wire rope is key equipment for normal operation of the elevator, and maintenance and inspection work is a necessary measure for guaranteeing daily safe and stable operation of the elevator. The detection and inspection of the traction steel wire rope are carried out by adopting standardized management measures, the safety and stability are improved through modern monitoring and supervision technology, the diameter of the steel wire rope becomes smaller and smaller under the condition of continuous tension, and the main reason for the phenomenon is that the traction steel wire rope suddenly becomes thinner because the elevator is excessively loaded and exceeds the limit tension of the steel wire rope and reaches the yield strength and deformation cannot be recovered in the use process; meanwhile, local corrosion is also the important reason that the external diameter of the traction steel wire rope is reduced, and the steel wire rope is thinned, so that the bearing capacity is obviously reduced, and the reliability and safety of the operation of the elevator are damaged.
The traditional elevator rope loosening monitoring device has the advantages of single structure and poor detection precision, and can not effectively perform early warning maintenance, poor safety performance and the like caused by elevator stop operation control, so that the traction type inclined elevator rope loosening monitoring and early warning device is provided for solving the problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a traction type inclined elevator rope loosening monitoring and early warning device which has the advantages of simplicity and convenience in multistage amplification detection and early warning, shutdown control, high safety and the like, and solves the problems that the traditional elevator rope loosening monitoring device is single in structure and poor in detection precision, and safety performance is caused by incapability of effectively carrying out early warning maintenance and elevator shutdown operation control.
(II) technical scheme
In order to achieve the purposes of simple and convenient multi-stage amplification detection, early warning, shutdown control and high safety, the invention provides the following technical scheme: the traction type inclined elevator rope loosening monitoring and early warning device comprises a base, wherein a linear driving mechanism is arranged on the base, a pressure sensor is arranged at the driving end of the linear driving mechanism, the pressure sensor and the linear driving mechanism are electrically connected with an external PLC controller, when the pressure value detected by the pressure sensor is smaller than a preset value, the external PLC controller controls the linear driving mechanism to act, the traction type inclined elevator rope loosening monitoring and early warning device further comprises a gear amplification mechanism, a support propped against the pressure sensor is arranged on an input shaft of the gear amplification mechanism, a tensioning wheel is arranged on the support, the tensioning wheel is used for adaptively adjusting the tension degree of an elevator steel wire rope in cooperation with the external PLC controller, the pressure sensor, the linear driving mechanism and the support, a metamorphic mechanism in transmission connection with an output shaft of the gear amplification mechanism is arranged on the base, a rope loosening travel switch is arranged below the metamorphic mechanism, the base is further arranged on one side of the rope loosening travel switch, when the elevator steel wire rope is loosened, the external PLC controller controls the linear driving mechanism to apply acting force to the support, the support rotates around the input shaft of the gear amplification mechanism and drives the tensioning wheel to tension the elevator rope, and simultaneously the gear amplification mechanism rotates around the input shaft of the gear amplification mechanism to drive the tensioning wheel to rotate around the gear amplification mechanism, and the damping travel switch is controlled to rotate in advance, and the damping travel switch is triggered to rotate by a certain degree when the damping angle is triggered, and the damping travel is continuously and the damping travel is triggered to rotate by the damping mechanism is in a certain degree, and the damping travel is triggered when the damping angle is triggered.
Preferably, the gear amplifying mechanism comprises a first gear shaft, a second gear shaft, a third gear shaft and a fourth gear shaft, wherein the first gear shaft is arranged on the base and fixedly connected with the support, the second gear shaft is arranged on the base and meshed with the first gear shaft, the third gear shaft and the second gear shaft are coaxially arranged and fixedly connected, the fourth gear shaft is arranged on the base and meshed with the third gear shaft, the number of teeth of the first gear shaft is larger than that of the second gear shaft, the number of teeth of the second gear shaft is smaller than that of the third gear shaft, and the number of teeth of the third gear shaft is larger than that of the fourth gear shaft.
Preferably, the first gear shaft, the second gear shaft, the third gear shaft and the fourth gear shaft are bevel gear shafts.
Preferably, the metamorphic mechanism comprises a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod, wherein the first supporting rod is arranged on an output shaft of the gear amplifying mechanism, the second supporting rod is hinged to one end of the first supporting rod, which is far away from the gear amplifying mechanism, the third supporting rod is hinged to one end of the second supporting rod, which is far away from the first supporting rod, the fourth supporting rod is connected to one end of the third supporting rod, which is far away from the third supporting rod, on the base, the first supporting rod, the second supporting rod, the third supporting rod and the fourth supporting rod can rotate relative to the radial surface of the output shaft of the gear amplifying mechanism, the length of the first supporting rod is equal to the length of the second supporting rod, the length of the third supporting rod is equal to the length of the fourth supporting rod, the length of the first supporting rod is equal to the length of the third supporting rod, the length of the third supporting rod is equal to the length of the fourth supporting rod, the length of the third supporting rod is equal to the axle center distance between the fourth gear axle and the fourth supporting rod, the distance between the loose-rope travel switch and the fourth supporting rod and the base is equal to the length of the fourth supporting rod, and the distance between the brake travel switch and the fourth supporting rod and the hinge point between the fourth supporting rod and the fourth supporting rod is equal to the length of the fourth supporting rod is equal to the length.
Preferably, the supporting contact surface of the bracket and the pressure sensor is an arc-shaped surface.
Preferably, the distance between the rotation center point of the tensioning wheel and the rotation center of the input shaft of the gear amplification mechanism is smaller than the distance between the rotation center of the input shaft of the gear amplification mechanism and the supporting point of the support and the pressure sensor.
(III) beneficial effects
Compared with the prior art, the invention provides a traction type inclined elevator rope loosening monitoring and early warning device, which has the following beneficial effects:
1. this oblique type elevator rope loosening monitoring early warning device tows formula, it is rotatory and pass through the support with the take-up pulley and change the tensioning dynamics of elevator wire rope into lever force transmission to pressure sensor to regard as the fulcrum with the input shaft of gear amplification mechanism, pressure sensor feeds back the pressure value that detects to outside PLC controller, when the detected value is less than the default, then outside PLC controller control straight line actuating mechanism action, the drive end of straight line actuating mechanism drives pressure sensor and makes the support take the input shaft of gear amplification mechanism as the fulcrum to rotate and drive the take-up pulley and carry out tensioning to elevator wire rope, simultaneously carry out the regulation range of amplifying and driving metamorphic mechanism selectivity trigger rope loosening travel switch and braking travel switch through gear amplification mechanism at rotatory in-process, thereby realize simple and convenient multistage amplification and detect and early warning's effect, and the security performance of this elevator rope loosening monitoring early warning device has been improved.
2. This oblique type elevator rope loosening monitoring early warning device tows, through first gear shaft and second gear shaft meshing, and the number of teeth of first gear shaft is greater than the number of teeth of second gear shaft, thereby make the second gear shaft carry out the one-level to the rotation angle of first gear shaft and enlarge, because the coaxial fixed connection of third gear shaft and second gear shaft, then third gear shaft is unanimous with the rotation angular velocity of second gear shaft, and the number of teeth through the second gear shaft is less than the number of teeth of third gear shaft, thereby make the third gear shaft amplify the linear velocity of second gear shaft, rethread third gear shaft and fourth gear shaft meshing, and the number of teeth of third gear shaft is greater than the number of teeth of fourth gear shaft, thereby make fourth gear shaft amplify the angular velocity of third gear shaft, and then carry out multistage amplification to the regulation range of support and take-up pulley, avoid the elevator wire rope tensile variation less and lead to this elevator rope loosening monitoring early warning device unable accurate detection and influence the condition emergence of its security performance.
Drawings
Fig. 1 is a perspective view of a traction type inclined elevator rope-loosening monitoring and early-warning device;
fig. 2 is a front view of the traction type inclined elevator rope-loosening monitoring and early warning device according to the present invention;
FIG. 3 is a front view of the structure of the metamorphic mechanism in the non-early-warning state;
FIG. 4 is a front view of the structure of the metamorphic mechanism in the first-stage early warning state;
fig. 5 is a front view showing the structure of the metamorphic mechanism in the braking and alarm stop state of the present invention.
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. 1-5, the traction type inclined elevator rope loosening monitoring and early warning device comprises a base 10, wherein a linear driving mechanism 11 is fixedly arranged on the base 10, the linear driving mechanism 11 can be a servo motor, a guide seat, a lead screw, a sliding block and a coupling which are matched for use, a pressure sensor 12 is fixedly arranged at the driving end of the linear driving mechanism 11, the pressure sensor 12 and the linear driving mechanism 11 are electrically connected with an external PLC controller, when the pressure value detected by the pressure sensor 12 is smaller than a preset value, the external PLC controller controls the linear driving mechanism 11 to act, the traction type inclined elevator rope loosening monitoring and early warning device further comprises a gear amplifying mechanism 2, a bracket 3 propping against the pressure sensor 12 is arranged on an input shaft of the gear amplifying mechanism 2, a tensioning wheel 4 is arranged on the bracket 3, the tensioning wheel 4 is used for being matched with the external PLC controller, the pressure sensor 12, the linear driving mechanism 11 and the bracket 3 to carry out self-adaptive adjustment on the tension degree of an elevator steel wire rope, the base 10 is provided with a metamorphic mechanism 5 which is in transmission connection with the output shaft of the gear amplifying mechanism 2, a rope loosening travel switch 6 which is selectively contacted with the metamorphic mechanism 5 is arranged on the base 10 and is positioned below the metamorphic mechanism 5, a brake travel switch 7 which is selectively contacted with the metamorphic mechanism 5 is arranged on one side of the base 10, which is far away from the bracket 3, of the rope loosening travel switch 6, when the elevator wire rope loosens, the external PLC controller controls the linear driving mechanism 11 to drive the pressure sensor 12 to apply acting force to the bracket 3, the bracket 3 rotates around the input shaft of the gear amplifying mechanism 2 and drives the tensioning wheel 4 to tension the elevator wire rope, meanwhile, the gear amplifying mechanism 2 drives the metamorphic mechanism 5 to rotate, when the rotation angle of the metamorphic mechanism 5 reaches a certain value, the metamorphic mechanism 5 triggers the rope loosening travel switch 6 to contact in advance and performs primary early warning, when the elevator continues to rotate for a certain angle, the metamorphic mechanism 5 triggers the braking travel switch 7 to further control the braking of the elevator and alarm; the support 3 and the tensioning wheel 4 rotate by taking the input shaft of the gear amplification mechanism 2 as a fulcrum, the tensioning force of the elevator steel wire rope is converted into lever force through the support 3 and is transmitted to the pressure sensor 12, the pressure sensor 12 feeds back the detected pressure value to the external PLC controller, when the detected value is smaller than a preset value, the external PLC controller controls the linear driving mechanism 11 to act, the driving end of the linear driving mechanism 11 drives the pressure sensor 12 to enable the support 3 to rotate by taking the input shaft of the gear amplification mechanism 2 as a fulcrum, the tensioning wheel 4 is driven to tension the elevator steel wire rope in the rotating process of the support 3, and meanwhile the adjusting amplitude of the tensioning wheel 4 is amplified and drives the metamorphic mechanism 5 to selectively trigger the rope loosening travel switch 6 and the braking travel switch 7 through the gear amplification mechanism 2 in the rotating process, so that the effects of simple and convenient multi-stage amplification detection and early warning are achieved, and the safety performance of the elevator rope loosening monitoring and early warning device is improved.
Preferably, the gear amplification mechanism 2 comprises a first gear shaft 21, a second gear shaft 22, a third gear shaft 23 and a fourth gear shaft 24, wherein the first gear shaft 21 is movably mounted on the base 10 and is fixedly connected with the bracket 3, the second gear shaft 22 is axially parallel to the first gear shaft 21 and is movably mounted on the base 10, the second gear shaft 22 is meshed with the first gear shaft 21, the third gear shaft 23 is coaxially and fixedly connected with the second gear shaft 22, the fourth gear shaft 24 is movably mounted on the base 10 and is meshed with the third gear shaft 23, the number of teeth of the first gear shaft 21 is larger than the number of teeth of the second gear shaft 22, the number of teeth of the second gear shaft 22 is smaller than the number of teeth of the third gear shaft 23, and the number of teeth of the third gear shaft 23 is larger than the number of teeth of the fourth gear shaft 24; the first gear shaft 21 is meshed with the second gear shaft 22, the number of teeth of the first gear shaft 21 is larger than that of teeth of the second gear shaft 22, so that the second gear shaft 22 amplifies the rotation angle of the first gear shaft 21, and as the third gear shaft 23 is fixedly connected with the second gear shaft 22 coaxially, the rotation angular speed of the third gear shaft 23 is consistent with that of the second gear shaft 22, the number of teeth of the second gear shaft 22 is smaller than that of the third gear shaft 23, so that the third gear shaft 23 amplifies the linear speed of the second gear shaft 22, the third gear shaft 23 is meshed with the fourth gear shaft 24, the number of teeth of the third gear shaft 23 is larger than that of the fourth gear shaft 24, the angular speed of the third gear shaft 23 is amplified by the fourth gear shaft 24, the adjusting amplitude of the bracket 3 and the tensioning wheel 4 is amplified in multiple stages, and the situation that the elevator rope is not accurately detected and the safety performance of the elevator rope loosening monitoring and early warning device is affected due to the fact that the tension change of the elevator rope is small is avoided.
Preferably, the first gear shaft 21, the second gear shaft 22, the third gear shaft 23 and the fourth gear shaft 24 are all helical gear shafts, so that the condition that the detection precision and the safety performance of the elevator rope-loosening monitoring and early-warning device are affected due to damage caused by overlarge local acting force due to small contact area in the transmission process of the first gear shaft 21, the second gear shaft 22, the third gear shaft 23 and the fourth gear shaft 24 is avoided.
Preferably, the metamorphic mechanism 5 comprises a first supporting rod 51, a second supporting rod 52, a third supporting rod 53 and a fourth supporting rod 54, wherein the first supporting rod 51 is fixedly installed on an output shaft of the gear amplifying mechanism 2, namely, the first supporting rod 51 is fixedly installed on the outer wall of the fourth gear shaft 24, the second supporting rod 52 is hinged to one end of the first supporting rod 51 far away from the fourth gear shaft 24, the third supporting rod 53 is hinged to one end of the second supporting rod 52 far away from the first supporting rod 51, the fourth supporting rod 54 is connected with one end of the third supporting rod 53 far away from the second supporting rod 52, one end of the fourth supporting rod 54 far away from the third supporting rod 53 is hinged to the base 10, the first supporting rod 51, the second supporting rod 52, the third supporting rod 53 and the fourth supporting rod 54 can rotate relative to the radial surface of the fourth gear shaft 24, and the length sum of the first support rod 51 and the second support rod 52 is smaller than the length of the fourth support rod 54, the length sum of the first support rod 51 and the second support rod 52 and the third support rod 53 is larger than the length sum of the fourth support rod 54, the length of the third support rod 53 is smaller than the axial distance between the hinge points of the fourth gear shaft 24 and the fourth support rod 54 and the base 10, the distance between the rope loosening travel switch 6 and the hinge points of the fourth support rod 54 and the base 10 is smaller than the length of the fourth support rod 54, and the distance between the brake travel switch 7 and the hinge points of the fourth support rod 54 and the base 10 is larger than the length sum of the fourth support rod 54 and the length sum of the third support rod 53; by setting the lengths between the first strut 51, the second strut 52, the third strut 53 and the fourth strut 54 as follows: the length of the first support rod 51 and the length of the second support rod 52 are smaller than the length of the fourth support rod 54, the length of the first support rod 51 and the length of the second support rod 52 are larger than the length of the fourth support rod 54, the length of the third support rod 53 is smaller than the axial distance between the hinge points of the fourth support rod 52 and the fourth support rod 54 and the base 10, the distance between the rope loosening travel switch 6 and the hinge points of the fourth support rod 54 and the base 10 is smaller than the length of the fourth support rod 54, the distance between the brake travel switch 7 and the hinge points of the fourth support rod 54 and the base 10 is larger than the length of the fourth support rod 54 and is smaller than the length sum of the fourth support rod 54 and the third support rod 53, and therefore in the process that the fourth gear shaft 24 on the gear amplification mechanism 2 drives the first support rod 51 to rotate, the first support rod 51 and the second support rod 52 and the third support rod 53 and the fourth support rod 54 are subjected to metamorphic movement, the rope loosening travel switch 6 is triggered in advance, the first-stage early warning effect is achieved, the fourth support rod 24 on the gear amplification mechanism 2 continues to drive the fourth support rod 51 to rotate, the fourth support rod 51 is kept in the process of the accurate early warning, the second elevator is controlled, and the braking effect of the elevator is kept down, and the elevator is stopped, and the braking effect of the elevator is controlled in the stage early warning is achieved, and the braking effect is achieved, and the elevator is controlled.
Preferably, the abutting contact surface between the support 3 and the pressure sensor 12 is an arc surface, so that the pressure sensor 12 drives the support 3 to always keep smooth line contact when rotating around the axis of the fourth gear shaft 24 on the gear amplifying mechanism 2, and the situation that the detection precision and the safety performance of the elevator rope-loosening monitoring and early-warning device are affected due to the fact that the clamping or the local stress between the pressure sensor 12 and the support 3 is uneven is avoided.
Preferably, the distance between the rotation center point of the tensioning wheel 4 and the axis of the fourth gear shaft 24 on the gear amplifying mechanism 2 is smaller than the distance between the axis of the fourth gear shaft 24 on the gear amplifying mechanism 2 and the supporting point of the support 3 and the pressure sensor 12, so that the force arm between the tensioning wheel 4 and the gear amplifying mechanism 2 is smaller than the force arm between the gear amplifying mechanism 2 and the support 3, namely, the support 3 is matched with the fourth gear shaft 24 through the lever principle to reduce the tensioning force of the tensioning wheel 4 and the supporting force between the support 3 and the pressure sensor 12 in proportion, the detection range of the elevator rope loosening monitoring and early warning device is further improved, and the situation that the pressure sensor 12 is damaged or exceeds the detection range due to the overlarge acting force of the support 3 on the pressure sensor 12 to influence the detection precision and the safety performance of the elevator rope loosening monitoring and early warning device is avoided.
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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Traction type inclined elevator rope loosening monitoring and early warning device, including base (10), be provided with sharp actuating mechanism (11) on base (10), the drive end of sharp actuating mechanism (11) sets up pressure sensor (12), pressure sensor (12) and sharp actuating mechanism (11) all are connected with outside PLC controller electricity, then outside PLC controller control sharp actuating mechanism (11) action when pressure sensor (12) detected pressure value is less than the default, its characterized in that: the elevator rope tensioning device further comprises a gear amplifying mechanism (2), a bracket (3) propped against a pressure sensor (12) is arranged on an input shaft of the gear amplifying mechanism (2), a tensioning wheel (4) is arranged on the bracket (3), the tensioning wheel (4) is used for being matched with an external PLC (programmable logic controller), the pressure sensor (12), a linear driving mechanism (11) and the bracket (3) to carry out self-adaptive adjustment on the tensioning degree of an elevator steel wire rope, a metamorphic mechanism (5) in transmission connection with an output shaft of the gear amplifying mechanism (2) is arranged on a base (10), a rope loosening travel switch (6) is arranged on the base (10) and below the metamorphic mechanism (5), a braking travel switch (7) is arranged on one side, away from the bracket (3), of the rope loosening travel switch (6), when an elevator steel wire rope loosens, the external PLC controls the linear driving mechanism (11) to drive the pressure sensor (12) to apply acting force on the bracket (3), the bracket (3) to rotate around the input shaft of the gear amplifying mechanism (2) and drive the tensioning wheel (4) to tension the elevator steel wire rope, meanwhile, the gear amplifying mechanism (2) drives the tensioning mechanism (5) to rotate a certain degree to rotate, and the rope loosening travel switch (5) is continuously rotates for a certain degree when the rope loosening angle is triggered, and the rope loosening angle is continuously changes to be a certain degree, it triggers a brake travel switch (7) and controls the braking and alerting of the elevator.
2. The traction type inclined elevator rope-loosening monitoring and early-warning device according to claim 1, characterized in that: the gear amplification mechanism (2) comprises a first gear shaft (21), a second gear shaft (22), a third gear shaft (23) and a fourth gear shaft (24), wherein the first gear shaft (21) is arranged on the base (10) and is fixedly connected with the support (3), the second gear shaft (22) is arranged on the base (10) and is meshed with the first gear shaft (21), the third gear shaft (23) is coaxially arranged and fixedly connected with the second gear shaft (22), the fourth gear shaft (24) is arranged on the base (10) and is meshed with the third gear shaft (23), the number of teeth of the first gear shaft (21) is larger than that of the second gear shaft (22), the number of teeth of the second gear shaft (22) is smaller than that of the third gear shaft (23), and the number of teeth of the third gear shaft (23) is larger than that of the fourth gear shaft (24).
3. The traction type inclined elevator rope-loosening monitoring and early-warning device according to claim 2, characterized in that: the first gear shaft (21), the second gear shaft (22), the third gear shaft (23) and the fourth gear shaft (24) are all helical gear shafts.
4. The traction type inclined elevator rope-loosening monitoring and early-warning device according to claim 1, characterized in that: the metamorphic mechanism (5) comprises a first supporting rod (51), a second supporting rod (52), a third supporting rod (53) and a fourth supporting rod (54), wherein the first supporting rod (51) is arranged on an output shaft of the gear amplifying mechanism (2), the second supporting rod (52) is hinged to one end of the first supporting rod (51) far away from the gear amplifying mechanism (2), the third supporting rod (53) is hinged to one end of the second supporting rod (52) far away from the first supporting rod (51), the fourth supporting rod (54) is hinged to one end of the third supporting rod (53) far away from the second supporting rod (52), one end of the fourth supporting rod (54) far away from the third supporting rod (53) is hinged to the base (10), the radial surfaces of the output shafts of the first supporting rod (51), the second supporting rod (52), the third supporting rod (53) and the fourth supporting rod (54) can rotate relative to the output shaft of the gear amplifying mechanism (2), the lengths of the first supporting rod (51) and the second supporting rod (52) and the length of the fourth supporting rod (54) are smaller than those of a fourth gear shaft (54), the distances between the lengths of the first supporting rod (51) and the second supporting rod (52), the lengths of the third supporting rod (53) and the fourth supporting rod (54) and the fourth supporting rod (24) are larger than those of the fourth supporting rod (54) are smaller than those of the axes, the distance between the rope loosening travel switch (6) and the hinging point on the fourth supporting rod (54) and the base (10) is smaller than the length of the fourth supporting rod (54), and the distance between the braking travel switch (7) and the hinging point on the fourth supporting rod (54) and the base (10) is larger than the length of the fourth supporting rod (54) and smaller than the sum of the lengths of the fourth supporting rod (54) and the third supporting rod (53).
5. The traction type inclined elevator rope-loosening monitoring and early-warning device according to claim 1, characterized in that: the abutting contact surface of the bracket (3) and the pressure sensor (12) is an arc-shaped surface.
6. The traction type inclined elevator rope-loosening monitoring and early-warning device according to claim 5, wherein: the distance between the rotation center point of the tensioning wheel (4) and the rotation center of the input shaft of the gear amplifying mechanism (2) is smaller than the distance between the rotation center of the input shaft of the gear amplifying mechanism (2) and the abutting point of the bracket (3) and the pressure sensor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210938119.8A CN115159296B (en) | 2022-08-05 | 2022-08-05 | Traction type inclined elevator rope loosening monitoring and early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210938119.8A CN115159296B (en) | 2022-08-05 | 2022-08-05 | Traction type inclined elevator rope loosening monitoring and early warning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115159296A CN115159296A (en) | 2022-10-11 |
| CN115159296B true CN115159296B (en) | 2023-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210938119.8A Active CN115159296B (en) | 2022-08-05 | 2022-08-05 | Traction type inclined elevator rope loosening monitoring and early warning device |
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| CN104949834A (en) * | 2015-06-11 | 2015-09-30 | 广州广日电梯工业有限公司 | Traction steel belt test method and traction steel belt test device for simulating elevator running |
| WO2016141760A1 (en) * | 2015-03-10 | 2016-09-15 | 中国矿业大学 | Steel wire rope interlayer friction detection apparatus and method for winding-type hoist |
| CN206580413U (en) * | 2016-11-30 | 2017-10-24 | 日立电梯（中国）有限公司 | Elevator rope slack monitoring device and elevator |
| CN109987480A (en) * | 2019-04-18 | 2019-07-09 | 福建省特种设备检验研究院 | A real-time detection device and detection method for the diameter of a traction wire rope |
| CN209988924U (en) * | 2019-06-11 | 2020-01-24 | 宿州市特种设备监督检验中心 | Elevator slack rope monitoring devices and elevator |
| CN111891951A (en) * | 2020-08-17 | 2020-11-06 | 丽水市特种设备检测院 | Method and system for monitoring safety of jacking system of tower crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| BRPI0417000B1 (en) * | 2004-04-28 | 2017-03-21 | Mitsubishi Electric Corp | elevator appliance |
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| WO2016141760A1 (en) * | 2015-03-10 | 2016-09-15 | 中国矿业大学 | Steel wire rope interlayer friction detection apparatus and method for winding-type hoist |
| CN104949834A (en) * | 2015-06-11 | 2015-09-30 | 广州广日电梯工业有限公司 | Traction steel belt test method and traction steel belt test device for simulating elevator running |
| CN206580413U (en) * | 2016-11-30 | 2017-10-24 | 日立电梯（中国）有限公司 | Elevator rope slack monitoring device and elevator |
| CN109987480A (en) * | 2019-04-18 | 2019-07-09 | 福建省特种设备检验研究院 | A real-time detection device and detection method for the diameter of a traction wire rope |
| CN209988924U (en) * | 2019-06-11 | 2020-01-24 | 宿州市特种设备监督检验中心 | Elevator slack rope monitoring devices and elevator |
| CN111891951A (en) * | 2020-08-17 | 2020-11-06 | 丽水市特种设备检测院 | Method and system for monitoring safety of jacking system of tower crane |
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