CN105523459A - Alarm method and device for steel wire rope job-hopping fault of construction hoist - Google Patents
Alarm method and device for steel wire rope job-hopping fault of construction hoist Download PDFInfo
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- CN105523459A CN105523459A CN201510080876.6A CN201510080876A CN105523459A CN 105523459 A CN105523459 A CN 105523459A CN 201510080876 A CN201510080876 A CN 201510080876A CN 105523459 A CN105523459 A CN 105523459A
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Abstract
The invention discloses an alarm method and an alarm device for steel wire rope job-hopping fault of a construction hoist. According to the invention, an alarm device is arranged at the joint of a hoist rack and a steel wire rope, sudden tension change of the steel wire rope caused when the steel wire rope has a job-hopping fault is detected by an elastic element on the alarm device, the sudden tension change is converted into vertical displacement of a pull rod, and a vertical sliding plate fixed on the pull rod is used for driving a travel switch to cut off the power of a driving motor, so that the hoist stops operation, and a buzzer alarms to remind an operator of remedying trouble. The construction hoist is relatively relieved and safe in operation, the danger of snap of a cable is avoided, and operation cost is lowered.
Description
Technical field
the present invention relates to a kind of alarm method and device of building hoist generation groove skipping of steel rope while fault, belong to building engineering construction elevator safety alarm technique field.
Background technology
the structure of SC200/200J building hoist comprises climbing frame and runs terraced cage with along climbing frame is vertical, and the supply cable of terraced cage upwards enters terraced cage from upwards laying to turn back to walk around cable coaster to steel rope fixed support position along climbing frame after power supply box is drawn after cable track adjusting wheel downwards more again.For making cable coaster maintenance level, reducing running resistance, being provided with balance rope at the opposite side of cable coaster.Balance rope one end is fixed on steel rope fixed support, and steel rope is upwards turned back after walking around the guide wheel for steel wire on cable coaster downwards and to be connected with the hanger on terraced cage.During elevator duty, pull cable coaster along the guide rail perpendicular movement on climbing frame by balance rope and cable, by the deadweight of cable coaster by stretching for servo-actuated cable, avoid wind cable arbitrarily to swing, cause cable to come out of steamer, twist together or the problem such as knotting.
but the balance rope of cable coaster is easily jumped out and is blocked in the groove of guide wheel for steel wire when finding that SC200/200J building hoist wind is large in actual use.Due to terraced cage operator's compartment, usually distance cable coaster is comparatively far away, and operating personal is unusual circumstance not easily, causes cable confusion even to break; Steel rope is by the rear state labile of card in addition, if glided suddenly, also may cause safety misadventure.
Summary of the invention
the object of the invention is to, a kind of alarm method and device of building hoist generation groove skipping of steel rope while fault is provided, so that Timeliness coverage groove skipping of steel rope while fault, guarantees the safe operation of building hoist, thus overcome the deficiencies in the prior art.
technical scheme of the present invention is achieved in that
a kind of building hoist generation groove skipping of steel rope while fault alarm method of the present invention is, the method arranges warning device in the junction of elevator hanger and steel rope, the pulling force sudden change produced on a steel cord when job-hopping occurs steel rope is detected by the elastic element on warning device, and pulling force sudden change is converted to the upper and lower displacement of pull bar, the power supply that travel switch cuts off drive motor is touched by the upper lower skateboard be fixed on pull bar, make elevator out of service immediately, remind operating personal trouble-shooting by buzzer warning simultaneously.
in preceding method, described travel switch comprises upper stroke switch and lower stroke switch, and the normally closed contact of upper and lower two travel switches is connected in series; Upper and lower two travel switches all adopt compression leg formula travel switch, and the initial condition of upper and lower two travel switches is power supply is on-state, and when when upper and lower two travel switches, one of them is converted to normally open, the power supply of drive motor is off state.
in preceding method, described travel switch is fixing on a mounting board by elongated hole; The upper lower skateboard corresponding with travel switch compression leg is provided with adjustment bolt simultaneously; By adjust travel switch upper-lower position and adjustment bolt cut to lengthen travel switch to job-hopping fault induction sensitivity.
warning device for of the present invention a kind of building hoist generation groove skipping of steel rope while fault of said method is that this device comprises adapter plate, is provided with fixed orifice, bottom adapter plate, is provided with position-limited trough at adapter plate top; Left elastic parts and right elastic parts is respectively equipped with in adapter plate both sides; Left elastic parts is connected through upper slide with the upper end of right elastic parts, and left elastic parts is connected through lower skateboard with the lower end of right elastic parts, and the side that lower skateboard is positioned at position-limited trough is provided with positive stop lug boss; Be provided with suspension member in lower skateboard bottom surface, suspension member is provided with steel rope fixed orifice; Adapter plate between upper slide and lower skateboard is provided with upper stroke switch and lower stroke switch.
above-mentioned left elastic parts or right elastic parts comprise cylindrical shell, cylindrical shell lower end is threaded with cover, cylindrical shell upper end is closed end, cylindrical shell side is provided with chute, spring is provided with in cylindrical shell, spring is provided with pull bar, and pull bar upper end is connected with upper slide through nut, and the two ends of upper slide are inserted left elastic parts respectively and are connected with pull bar with in the chute on the cylindrical shell of right elastic parts; Pull bar bottom is connected with lower skateboard through nut through cover.
in aforementioned warning device, described upper stroke switch or lower stroke switch are compression leg formula travel switch, and the compression leg of upper stroke switch is upwards arranged, and are provided with adjustment bolt with the upper slide of upper stroke switch compression leg correspondence position; The compression leg of lower stroke switch is arranged downwards, is provided with adjustment bolt with the lower skateboard of lower stroke switch compression leg correspondence position.
in aforementioned warning device, described adapter plate is provided with travel switch mounting hole, and travel switch mounting hole is elongated hole.
owing to have employed technique scheme, the present invention compared with prior art, the present invention is by after the junction of elevator hanger and steel rope installs warning device additional, when occurring that balance rope job-hopping can cut off drive motor power supply after stuck in time, make elevator out of service immediately, send alerting signal, alert removes fault simultaneously.Make to operate more relieved, safer, avoid the danger of breaking cable, reduce operating cost.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is embodiments of the invention schematic diagrams.
being labeled as in accompanying drawing: 1-adapter plate, 2-fixed orifice, 3-position-limited trough, the left elastic parts of 4-, the right elastic parts of 5-, 6-upper slide, 7-lower skateboard, 8-positive stop lug boss, 9-suspension member, 10-steel rope fixed orifice, 11-upper stroke switch, 12-lower stroke switch, 13-cylindrical shell, 14-cover, 15-chute, 16-spring, 17-pull bar, 18-adjusts bolt, 19-elongated hole, 20-elevator hanger, 21-steel rope, 22-warning device, 23-ladder cage, 24-climbing frame, 25-cable coaster, 26-guide wheel for steel wire, 27-steel rope fixed support, 28-cable, 29-cable track adjusting wheel, 30-power supply.
Detailed description of the invention
below in conjunction with drawings and Examples, the present invention is described in further detail, but not as any limitation of the invention.
a kind of building hoist generation groove skipping of steel rope while fault alarm method of the present invention, as depicted in figs. 1 and 2, the method arranges warning device in the junction of elevator hanger and steel rope, the pulling force sudden change produced on a steel cord when job-hopping occurs steel rope is detected by the elastic element on warning device, and pulling force sudden change is converted to the upper and lower displacement of pull bar, the power supply that travel switch cuts off drive motor is touched by the upper lower skateboard be fixed on pull bar, make elevator out of service immediately, remind operating personal trouble-shooting by buzzer warning simultaneously.Travel switch comprises upper stroke switch and lower stroke switch, and the normally closed contact of upper and lower two travel switches is connected in series; Upper and lower two travel switches all adopt compression leg formula travel switch, and the initial condition of upper and lower two travel switches is power supply is on-state, and when when upper and lower two travel switches, one of them is converted to normally open, the power supply of drive motor is off state.Travel switch is fixing on a mounting board by elongated hole; The upper lower skateboard corresponding with travel switch compression leg is provided with adjustment bolt simultaneously; By adjust travel switch upper-lower position and adjustment bolt cut to lengthen travel switch to job-hopping fault induction sensitivity.
the warning device of the of the present invention a kind of building hoist generation groove skipping of steel rope while fault according to said method structure and for said method, as shown in Figure 1, this device comprises adapter plate 1, and adapter plate top is provided with fixed orifice 2, is provided with position-limited trough 3 bottom adapter plate; Adapter plate both sides are respectively equipped with left elastic parts 4 and right elastic parts 5; Two elastic parts upper ends, left and right connect through upper slide 6, and elastic parts lower end, two, left and right connects through lower skateboard 7, and the side that lower skateboard is positioned at position-limited trough is provided with positive stop lug boss 8; Lower skateboard bottom surface is provided with suspension member 9, and suspension member is provided with steel rope fixed orifice 10; Adapter plate between upper lower skateboard is provided with upper stroke switch 11 and lower stroke switch 12.Elastic parts comprises cylindrical shell 13, and cylindrical shell lower end is threaded with cover 14, and cylindrical shell upper end is closed end, and cylindrical shell side is provided with chute 15, is provided with spring 16 in cylindrical shell, and spring is provided with pull bar 17, and pull bar upper end is connected with upper slide 6 through nut; Pull bar bottom is connected with lower skateboard 7 through nut through cover 14; Upper slide two ends penetrate left elastic parts respectively and are connected with pull bar with in cylindrical shell 13 upper hopper chute 15 of right elastic parts; Upper stroke switch or lower stroke switch are compression leg formula travel switch, and the compression leg of upper stroke switch 11 is upwards arranged, and be provided with adjust bolt 18 with the upper slide of upper stroke switch 11 compression leg correspondence position; The compression leg of lower stroke switch 12 is arranged downwards, is provided with adjusts bolt 18 with the lower skateboard of lower stroke switch 12 compression leg correspondence position.Adapter plate 1 is provided with travel switch mounting hole, and travel switch mounting hole is elongated hole 19.
Embodiment
during concrete enforcement, as shown in Figure 2, one end that SC200/200J building hoist steel rope 21 is connected with elevator hanger 20 is disconnected, a warning device 22 is installed between steel rope and elevator hanger.The fixed orifice 2 on warning device top is with the hanger in elevator ladder cage 23 through pinned connection, and the steel rope fixed orifice 10 bottom warning device lower skateboard 7 is connected with steel rope.
working process of the present invention and principle
with reference to figure 1 and Fig. 2, when elevator normally runs, due to the deadweight reason of cable coaster, spring is in confined state, and now the upper slide 6 of warning device does not all contact with the compression leg of travel switch with lower skateboard 7.The power supply that now upper and lower two travel switches are normally closed drive motor is on-state.When the terraced cage 23 of elevator is upwards walked along climbing frame 24, if when steel rope 21 is jumped out and is stuck from guide wheel for steel wire 26, the steel rope load-bearing of side of being connected with warning device 22 can be increased to suddenly more than 2 times when normally working, spring 16 in warning device is further compressed, pull bar 17 stretches out downwards, pull bar 17 drives upper lower skateboard to move downward simultaneously, promote to make travel switch transfer normally open to by normally off to the compression leg of lower compression upper stroke switch 11 by upper slide 6, cut off drive motor power supply, elevator quits work, buzzer phone is connected and is reported to the police simultaneously.When the terraced cage 23 of elevator is walked downwards along climbing frame 24, if when steel rope 21 is jumped out and is stuck from guide wheel for steel wire 26, the steel rope load-bearing being connected side with steel rope fixed support 27 can be increased to suddenly more than 2 times when normally working, the steel rope be connected with warning device is then completely lax, the spring 16 of warning device 22 extends, spring heads in pull bar 17 upward movement retraction cylindrical shell 13, pull bar drives upper lower skateboard upward movement simultaneously, the compression leg upwards being pushed up depression stroke switch 12 by lower skateboard 7 makes lower stroke switch transfer normally open to by normally off, cut off drive motor power supply, elevator quits work, buzzer phone is connected and is reported to the police simultaneously.
in this example, upper and lower travel switch is fixed on adapter plate 1 by elongated hole, can adjust the setting height(from bottom) of travel switch up and down, to adjust the trigger point of travel switch.On upper lower skateboard, be equipped with adjustment bolt 19 simultaneously, also can be adjusted the trigger point of travel switch by the height adjusting bolt 19.
Claims (7)
1. the alarm method of a building hoist generation groove skipping of steel rope while fault, it is characterized in that: the method arranges warning device in the junction of elevator hanger and steel rope, the pulling force sudden change produced on a steel cord when job-hopping occurs steel rope is detected by the elastic element on warning device, and pulling force sudden change is converted to the upper and lower displacement of pull bar, the power supply that travel switch cuts off drive motor is touched by the upper lower skateboard be fixed on pull bar, make elevator out of service immediately, remind operating personal trouble-shooting by buzzer warning simultaneously.
2. the alarm method of building hoist generation groove skipping of steel rope while fault according to claim 1, it is characterized in that: described travel switch comprises upper stroke switch and lower stroke switch, the normally closed contact of upper and lower two travel switches is connected in series; Upper and lower two travel switches all adopt compression leg formula travel switch, and the initial condition of upper and lower two travel switches is power on state, and when when upper and lower two travel switches, one of them is converted to normally open, the power supply of drive motor is off state.
3. the alarm method of building hoist generation groove skipping of steel rope while fault according to claim 1, is characterized in that: described travel switch is fixing on a mounting board by elongated hole; The upper lower skateboard corresponding with travel switch compression leg is provided with adjustment bolt simultaneously; By adjust travel switch upper-lower position and adjustment bolt cut to lengthen travel switch to job-hopping fault induction sensitivity.
4. the warning device for the building hoist generation groove skipping of steel rope while fault of method described in claim 1,2 or 3, comprise adapter plate (1), it is characterized in that: be provided with fixed orifice (2) at adapter plate (1) top, be provided with position-limited trough (3) in adapter plate (1) bottom; Left elastic parts (4) and right elastic parts (5) is respectively equipped with in adapter plate (1) both sides; Left elastic parts (4) is connected through upper slide (6) with the upper end of right elastic parts (5), and left elastic parts (4) is connected through lower skateboard (7) with the lower end of right elastic parts (5), and the side that lower skateboard (7) is positioned at position-limited trough is provided with positive stop lug boss (8); Be provided with suspension member (9) in lower skateboard (7) bottom surface, suspension member (7) is provided with steel rope fixed orifice (10); Adapter plate between upper slide (6) and lower skateboard (7) is provided with upper stroke switch (11) and lower stroke switch (12).
5. the warning device of building hoist generation groove skipping of steel rope while fault according to claim 4, it is characterized in that: described left elastic parts (4) or right elastic parts (5) comprise cylindrical shell (13), cylindrical shell (13) lower end is threaded with cover (14), cylindrical shell (13) upper end is closed end, cylindrical shell (13) side is provided with chute (15), spring (16) is provided with in cylindrical shell (13), spring (16) is provided with pull bar (17), pull bar (17) upper end is connected with upper slide (6) through nut, and the two ends of upper slide (6) are inserted left elastic parts (4) respectively and are connected with pull bar (17) with in the chute (15) on the cylindrical shell (13) of right elastic parts (5), pull bar (17) bottom is connected with lower skateboard (7) through nut through cover (14).
6. the warning device of building hoist generation groove skipping of steel rope while fault according to claim 4, it is characterized in that: described upper stroke switch (11) or lower stroke switch (12) are compression leg formula travel switch, the compression leg of upper stroke switch (11) is upwards arranged, and is provided with adjusts bolt (18) with the upper slide of upper stroke switch (11) compression leg correspondence position; The compression leg of lower stroke switch (12) is arranged downwards, is provided with adjusts bolt (18) with the lower skateboard of lower stroke switch (12) compression leg correspondence position.
7. the warning device of building hoist generation groove skipping of steel rope while fault according to claim 4, it is characterized in that: on adapter plate (1), be provided with travel switch mounting hole, travel switch mounting hole is elongated hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080876.6A CN105523459B (en) | 2015-02-15 | 2015-02-15 | The alarm method and device of building hoist generation groove skipping of steel rope while failure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080876.6A CN105523459B (en) | 2015-02-15 | 2015-02-15 | The alarm method and device of building hoist generation groove skipping of steel rope while failure |
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| CN105523459A true CN105523459A (en) | 2016-04-27 |
| CN105523459B CN105523459B (en) | 2019-03-05 |
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| CN201510080876.6A Active CN105523459B (en) | 2015-02-15 | 2015-02-15 | The alarm method and device of building hoist generation groove skipping of steel rope while failure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934791A (en) * | 2017-12-05 | 2018-04-20 | 天津五洲国际集装箱码头有限公司 | Track bridge trolley drag chain safety detection device |
| CN111366358A (en) * | 2020-03-20 | 2020-07-03 | 首钢京唐钢铁联合有限责任公司 | Fault detection device and method for lifting screw |
| CN111821626A (en) * | 2020-07-31 | 2020-10-27 | 湖南三一中型起重机械有限公司 | Steel wire rope looseness detection device and fire engine |
| CN114030969A (en) * | 2021-10-11 | 2022-02-11 | 浙奥电梯有限公司 | Construction elevator in shaft |
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| JPH0977409A (en) * | 1995-09-20 | 1997-03-25 | Toshiba Elevator Technos Kk | Governor rope abnormality detector for elevator |
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| CN204038805U (en) * | 2014-08-20 | 2014-12-24 | 快意电梯股份有限公司 | The anti-loose detecting device of a kind of hoist ropes |
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2015
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Patent Citations (5)
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| JPH0977409A (en) * | 1995-09-20 | 1997-03-25 | Toshiba Elevator Technos Kk | Governor rope abnormality detector for elevator |
| CN2761562Y (en) * | 2004-12-27 | 2006-03-01 | 谌志祥 | Controller for stroke limit |
| CN101186260A (en) * | 2007-11-22 | 2008-05-28 | 中建八局天津建设工程有限公司 | Tackle steel cable groove-skipping alarm |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934791A (en) * | 2017-12-05 | 2018-04-20 | 天津五洲国际集装箱码头有限公司 | Track bridge trolley drag chain safety detection device |
| CN107934791B (en) * | 2017-12-05 | 2024-02-23 | 天津港集装箱码头有限公司 | Track bridge trolley drag chain safety detection device |
| CN111366358A (en) * | 2020-03-20 | 2020-07-03 | 首钢京唐钢铁联合有限责任公司 | Fault detection device and method for lifting screw |
| CN111366358B (en) * | 2020-03-20 | 2021-11-19 | 首钢京唐钢铁联合有限责任公司 | Fault detection device and method for lifting screw |
| CN111821626A (en) * | 2020-07-31 | 2020-10-27 | 湖南三一中型起重机械有限公司 | Steel wire rope looseness detection device and fire engine |
| CN114030969A (en) * | 2021-10-11 | 2022-02-11 | 浙奥电梯有限公司 | Construction elevator in shaft |
| CN114030969B (en) * | 2021-10-11 | 2023-02-17 | 浙奥电梯有限公司 | Construction elevator in shaft |
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