CN1166447A - Safety equipment of lift installation - Google Patents
Safety equipment of lift installation Download PDFInfo
- Publication number
- CN1166447A CN1166447A CN 97109783 CN97109783A CN1166447A CN 1166447 A CN1166447 A CN 1166447A CN 97109783 CN97109783 CN 97109783 CN 97109783 A CN97109783 A CN 97109783A CN 1166447 A CN1166447 A CN 1166447A
- Authority
- CN
- China
- Prior art keywords
- carriage
- hawser
- line
- drag
- stepping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
Disclosed is a security device, when an elevator box and/or a counterweight are/is overspeed, a trigger shaft of a trigger device is in a state of relative motion by means of a speed limiter cable, the deflection of the trigger shaft is transmitted to a braking device arranged on the elevator box and/or the counterweight through a Bowden cable and then the braking device is triggered. For each braking device, an idler wheel used as a blocking piece rolls along a wedge inclined plane of a groove plate of the braking device and is contacted with a guide rail. Then the idler wheel is draught into a wedge groove of the braking device. The deflection of a retaining device is transmitted to the trigger device through the Bowden cable and then transmitted to another braking device through the Bowden cable, in order to ensure that the two braking devices can be triggered to work in case that the elevator box and/or the counterweight are/is overspeed and the blocking pieces are driven accidentally.
Description
The present invention is relevant with the safety device of elevator, its contained flip flop equipment is stepped on drag-line and is connected with brake equipment by rich, the hawser of speed restrictor wherein, under the situation of elevator case and/or counterweight hypervelocity, drive flip flop equipment, trigger and be placed in elevator case and/or the brake equipment on counterweight by the rich drag-line of stepping on again, like this elevator case and/or counterweight just can stop motions.
A kind ofly step on the brake equipment that drag-line drives and form, be disclosed in French Patent (FRP) FR2 by hawser and sheath by rich, 654, in the specification sheets of 087A1.The end of the hawser of two Gen Bodeng drag-lines just is fastened on and connects on the carriage, this connections carriage be placed in one can in casing, move and the bar by speed limiter rope driving on, an end that encases the sheath of hawser is installed in the casing.The other end of hawser is then linked on the roller of brake equipment by planker separately in the two Gen Bodeng drag-lines.The other end of sheath is installed on separately the flip flop equipment frid.When stepping on drag-line by the hawser driving of speed restrictor is rich, the planker that moves on the flip flop equipment frid moves owing to roller overcomes spring force, clamp-on up to roller between the Wedge-shaped rail and a guide rail of flip flop equipment, in the case, elevator or counterweight be transfixion just.
The shortcoming of this flip flop equipment is that two Gen Bodeng drag-lines must accurately be aligned so that really make elevator out of service to benefit ground triggering brake equipment.In the case, the hawser of a Gen Bodeng drag-line, for example, because stressed and variation length, then with the planker deflection deficiency of roller.Thereby roller can not be stuck between wedge shape machine and the guide rail.
Here, the present invention can provide a remedial measure.The present invention has solved in claim 1 and has eliminated the task of known device shortcoming and a kind of flip flop equipment is provided, and this flip flop equipment has improved the safety of elevator.
Advantage of the present invention can be from hereinafter finding out.In flip flop equipment of the present invention, a brake equipment can drive another brake equipment, so guarantee that in all cases, two brake equipments all are triggered under the situation of hypervelocity.If unintentional driving takes place the locking piece of brake equipment under normal speed, then another brake equipment also can trigger, and elevator case and/or counterweight are stopped reliably.Advantageously two brake equipments only need a safety switch.
With reference to accompanying drawing, hereinafter only the present invention will be described in more detail with a kind of executive mode.Here:
Fig. 1 represents that flip flop equipment of the present invention drives by speed restrictor and Bo Deng drag-line.
Fig. 2 represents that one steps on the brake equipment that drag-line drives by rich.
In Fig. 1 and Fig. 2, the flip flop equipment that is placed on elevator case and/or the counterweight represents that with label 1 it is that a trigger shaft 4 and one first carriage 5 are formed by a casing 2 (also being with a casing 3).Casing 2 is by a bottom surface 6, one the first side wall, 7, one second sidewalls 8 and one the 3rd sidewall 9 are formed, one end of trigger shaft 4 is contained in rotationally and is fixed between the first side wall 7 and second sidewall 8 on the bar axle 10, and the other end of trigger shaft 4 then links to each other with the binding clasp 11 of a speed limiter rope 12.
The hawser 12 of speed restrictor is guided by an idling roller that turns to roller and to be placed in the axial trough that is placed in the speed restrictor on the lifting shaft spindle nose, and the termination of speed limiter rope 12 links to each other with hawser binding clasp 11.Speed restrictor monitors the speed of elevator case and counterweight.Under overspeed situation, speed restrictor turns to the roller stall, thereby when elevator case and/or counterweight were walked downwards, trigger shaft 4 was driven by hawser binding clasp 11.
In normal operation, trigger shaft 4 is pressed to lower supporting rod 14 by first spring 13 that is placed in bar axle 10 and is promoted.Under overspeed situation,, speed limiter rope 12 upward deflects so being pulled through the roller trigger shaft 4 that turns to that lock lives.First spring terminal 15 of first spring 13 is placed in trigger shaft 4 places and second spring terminal 16 of first spring 13 is fixed on the hinge of spring point place of the first side wall 7 of casing 2.One safety switch 17 monitors the position of first carriage 5, and in overspeed situation or when unmindful action takes place the block spare that has a brake equipment at least, just close the CD-ROM drive motor of elevator.
First carriage 5 is made up of first leg 18 and second leg 19, and 20, one second sheets 21 of first sheet and one first longitudinal slot 22 are arranged on second leg 19.One end of second leg 19 puts in mobile.First perforate 23 of trigger shaft 4 can be therein, and when normal operation, first pin 24 that passes first perforate 23 and first longitudinal slot 22 blocks second leg 19, and under overspeed situation, along with the deflection of trigger shaft 4, second leg 19 upwards draws.
Rich step on drag-line and normally also make the hawser of drag-line form by an overcoat and that also is called sheath.That can transmit tension force and pressure richly steps on the hawser that drag-line normally is twisted into by several strands of finer wires, that can transmit pulling force and big pressure richly steps on the hawser that drag-line normally is made up of a rational single steel wire of section, and there is a screw thread bush that links to each other with the tightening screw thread sheath end.The length of sheath can change with respect to the hawser that inserts wherein pro rata by screw thread bush.One hawser head is also referred to as extremity piece and links to each other with movable member.
Also has a casing 3 on casing 2 bottom surfaces 6, as the first rich drag-line 25 and the second rich maintenance of stepping on drag-line 26 of stepping on.In the remodeling of another embodiment, rich step on drag-line 25 and 26 and all directly be placed in the casing 2.By a pulling force, first rich step on drag-line 25 the mobile of first carriage 5 is passed to first brake equipment 27 that is contained on elevator case and/or the counterweight, and second rich step on drag-line 26 by pulling force the mobile second brake equipment (not shown) of adorning on elevator case and/or the counterweight that passes to of first carriage 5.
First rich to step on drag-line 25 be that one first sheath 28 wherein has first hawser 29.First screw thread bush 30 is connected with first nut, 31 screw threads on being fastened on casing 2 or casing 3, and is assembled to an end of first sheath 28.There is one first cable wire ends 32 termination of first hawser 29, is placed between first bearing 20 and first leg 18 of first carriage 5.Under first hawser 29 is stretched condition of loading, the first hawser joint 32 is attached on first leg 18, under first hawser 29 was subjected to compressive load situation that first brake equipment 27 causes, the first hawser joint 32 hit first bearing 20 and promotes first carriage 5 upwards.First hawser 29 can be adjusted with first screw thread bush 30 with respect to the effective length of first sheath 28.
Second rich to step on drag-line 26 be by second sheath 33 that wherein penetrates second hawser 34.Second screw thread bush 35 is placed in an end of second sheath 33 and links to each other with the screw thread of second nut 36 on being fixed on casing 2 or another casing 3.One end of second hawser 34 has one second hawser joint 37 to be placed between second bearing 21 and first leg 18 of first carriage 5.Be subjected under the situation of tension loading at second hawser 34, the second hawser joint 37 is attached on first leg 18.Under the compressive load situation that second hawser 34 is subjected to being caused by second brake equipment, the second hawser joint 37 is run into second bearing 21 and is promoted first carriage 5 upwards.Second hawser 34 can be adjusted with second screw thread bush 35 with respect to the effective length of second sheath 33.
In another embodiment remodeling, there is screw thread bush hawser 29 and 34 termination, and their replace hawser joint 32 and 37, directly are screwed on first leg 18 of first carriage 5 with screw thread.
First brake equipment 27 comprises that the guide rail leg 40 that 38, one of frids that have webge slot 39 are placed in the elevator lifting vertical shaft extends in groove 39.The 3rd nut 42 is arranged on second carriage 41, and its screw thread links to each other with the 3rd screw thread bush 43 of first sheath, 28 other ends, and second carriage 41 is installed on the frid 38.First hawser 29 can be adjusted by the 3rd screw thread bush 43 with respect to the effective length of first sheath 28.The other end of first hawser 29 has one the 3rd hawser joint 44 to be placed between the 3rd bearing 45 and first baffle plate 46 of planker 47.Be subjected under the situation of tension load at first hawser 29, the 3rd hawser joint 44 is run into first baffle plate 46; Under the compressive load situation that first hawser 29 is subjected to being caused by first brake equipment, the 3rd hawser joint 44 is attached on the 3rd bearing 45 and promotes planker 47 upwards.Planker 47 is installed in the spring pin 49 in the frid 38 by one and slides in second longitudinal slot 28.Second spring 50 is on spring pin 49, and the 3rd spring terminal 51 retaining of second spring 50 is at second carriage 41 or on spring pin 49, the 4th spring terminal 52 of second spring 50 then retaining at first baffle plate, 46 places of planker 47.
In the remodeling of another embodiment, there is screw thread bush hawser 29 and 34 termination, and its replaces hawser joint 44 directly to be screwed on the planker 47 of brake equipment side with screw.
When normal operation, it is downward that second spring 50 promotes planker 47.Roller 54 is placed on the roller shaft 53 of planker 47 and serves as block piece and press to the wedge shape inclined-plane 55 of webge slot 39.Under overspeed situation or under the situation of the careless action of block spare, planker 47 overcomes the spring force of second spring 50 by first hawser 29 and moves, thereby 55 rollers 54 that roll are pressed to the free leg 40 of guide rail along the wedge shape inclined-plane.With after free leg 40 contacts, roller 54 is drawn in the webge slot 39 at roller 54 and since block 38 with respect to the sports cards of guide rail between free leg 40 and wedge shape inclined-plane 55, thereby elevator case and/or counterweight are stopped.Because mentioning of roller 54, planker 47 upward deflects, and this deflection passes to first hawser 29 by the 3rd bearing 45 and the 3rd hawser joint 44.In the case, first hawser 29 that bears pressure load passes first perforate 23 to first carriage 5 and upwards pushes away, if second brake equipment does not trigger, first carriage 5 just spurs second hawser 34 forward so, in the case, first carriage 5 just contacts the roller of second brake equipment with guide rail, whereby, restart the trigger action of second brake equipment.
By rich step on drag-line 25 and 26 and 5, one brake equipments of first carriage of flip flop equipment 1 can trigger another brake equipment, thereby can determine under overspeed situation or under the situation of the careless action of block spare, these two brake equipments can both be triggered.
When roller withdrawed from, elevator case and/or counterweight promoted, and roller 54 has become free and got back to initial position and locate by second spring 50 and planker 47.5 on first carriage and then moves and comes back to roller 54 and contact position before with guide rail by the rich drag-line 25 of stepping on.
The structure of unshowned second brake equipment is identical with first brake equipment 27, and it turns round with the second rich drag-line 26 of stepping on, and turns round with the first rich drag-line 25 of stepping on as first brake equipment 27.
Claims (9)
1) safety device of elevator has a flip flop equipment (1), it is by the rich drag-line (25 of stepping on, 26) link to each other with brake equipment (27), wherein the hawser of speed restrictor (12) can drive flip flop equipment (1) under the situation of elevator case and/or counterweight hypervelocity, it is by the rich drag-line (25 of stepping on, 26) can trigger and be placed in elevator case and/or the brake equipment on counterweight (27), like this, make elevator case and/or counterweight stop motion, it is characterized in that flip flop equipment (1) has one by speed limiter rope (12) and brake equipment (27) and the mechanism (2,3,4 of action, 5,10).
2) safety device according to claim 1 is characterized in that: flip flop equipment (1) has a trigger shaft (4) that is placed in the casing (2), and it links to each other with speed limiter rope (12) and the other end is installed in rotation on the bar axle (10) at the one end; And flip flop equipment (1) is provided with one first carriage (8), and an end of this carriage is fixed on the movable trigger shaft (4), and its other end then links to each other with the rich drag-line (25,26) of stepping on.
3) safety device according to claim 1 is characterized in that: first spring (13) is gone up and when normally moving, is promoted trigger shaft (4) and press to a lower supporting rod (14) around bar axle (10); One first perforate (23) is arranged on the trigger shaft (4), and second leg (19) therefrom passes, and first longitudinal slot (22) of one first carriage (5) is arranged on this second leg (19); And trigger shaft (4) go up to also have first pin (24), and this first pin (24) passes first perforate (27) and longitudinal slot (22), and first carriage (5) is passed in the deflection of the trigger shaft (4) that is caused by speed limiter rope (12) following of overspeed situation.
4) according to claim 2 and 3 described safety devices, it is characterized in that first carriage (5) has one first leg (18), have on it and rich step on the hawser (29,34) of drag-line (25,26) and also include another casing (3) on the casing (2), settled the rich drag-line (25 of stepping on it, 26) sheath (28,53), this sheath can pass through screw thread bush (30,35) and nut (31,36) align.
5) safety device according to claim 4 is characterized in that the termination of hawser (29,34) is clamped on first leg (18) of first carriage (5) by hawser joint (32,37) and bearing (20,21).
6) safety device according to claim 4 is characterized in that the termination of hawser (29,34) is fastened on first leg (18) of first carriage (5) by screw thread bush and threaded components.
7) safety device according to claim 1, it is characterized in that a planker (47) is arranged on the brake equipment (27), it is by the rich drag-line (25 of stepping on, 26) and second longitudinal slot (48) and moving, it is by a spring pin (49) guiding movement, spring pin is installed on the guide plate (38) and passes second longitudinal slot (48), and planker is positioned at dead position by one second spring (50).
8) safety device according to claim 7, it is characterized in that the rich drag-line (25 of stepping on, 26) hawser (29,34) is placed on the planker (47), and roller roller (54) is in wedge-shaped impression (39) motion of hypervelocity and careless driving situation lower edge frid (38), contacting under the situation with the free leg (40) of guide rail, roller (54) is drawn in the groove (39), in webge slot (39), by the rich drag-line (25 of stepping on, 26), above-mentioned deflection is passed on first carriage (5) of flip flop equipment (1).
9) according to claim 7 and 8 described safety devices, it is characterized in that second carriage (41) is contained on the frid (38), and sheath (28,33) is housed on second carriage (41), sheath can be adjusted by screw thread bush (43) and nut (42).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96810287.1 | 1996-05-06 | ||
| EP96810287 | 1996-05-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1166447A true CN1166447A (en) | 1997-12-03 |
| CN1075037C CN1075037C (en) | 2001-11-21 |
Family
ID=8225600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97109783A Expired - Fee Related CN1075037C (en) | 1996-05-06 | 1997-05-05 | Safety equipment of lift installation |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH1087213A (en) |
| CN (1) | CN1075037C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923659B (en) * | 2005-08-30 | 2010-11-03 | 因温特奥股份公司 | Method for carrying out maintenance and inspection work in an elevator system |
| CN102211726A (en) * | 2010-04-02 | 2011-10-12 | 涂翼民 | Speed sensing overspeed triggering device for cage and counterweight |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429703B (en) * | 2016-08-25 | 2019-04-30 | 陕西小溪机电科技有限公司 | A kind of elevator surpassed distance forced-triggered safety tongs device |
| CN114180225B (en) * | 2021-12-03 | 2022-12-20 | 佛山蓝动力智能科技有限公司 | Double-station blank storage device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3441107A (en) * | 1967-06-26 | 1969-04-29 | Otis Elevator Co | Flexible guide clamp safety system |
| GB2252545A (en) * | 1991-02-06 | 1992-08-12 | Poon Otto L | Bi-directional safety brake for elevator |
-
1997
- 1997-05-05 CN CN97109783A patent/CN1075037C/en not_active Expired - Fee Related
- 1997-05-06 JP JP11565797A patent/JPH1087213A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923659B (en) * | 2005-08-30 | 2010-11-03 | 因温特奥股份公司 | Method for carrying out maintenance and inspection work in an elevator system |
| CN102211726A (en) * | 2010-04-02 | 2011-10-12 | 涂翼民 | Speed sensing overspeed triggering device for cage and counterweight |
| CN102211726B (en) * | 2010-04-02 | 2014-06-18 | 涂翼民 | Speed sensing overspeed triggering device for cage and counterweight |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1075037C (en) | 2001-11-21 |
| JPH1087213A (en) | 1998-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4612953B2 (en) | A device that prevents uncontrollable acceleration of the elevator car | |
| AU679365B2 (en) | Safety brake apparatus for an elevator car or counterweight | |
| CN1187252C (en) | Brake device for lift | |
| DE19632850A1 (en) | Traction sheave elevator | |
| CN100581971C (en) | Wireless speed limiting system of elevator | |
| CN1075037C (en) | Safety equipment of lift installation | |
| KR20170065656A (en) | Rope break detecting device | |
| KR101783323B1 (en) | Lift falling prevention system | |
| EP1783087A2 (en) | Double-effect emergency braking apparatus for elevator cars | |
| CN200988715Y (en) | Rope-free speed limiting system for lift | |
| CN2771159Y (en) | Two-way speed limitelr for elevator | |
| CN213011417U (en) | Safety tongs for elevator braking and elevator braking assembly using same | |
| CN2782636Y (en) | Steel cable clamp | |
| CA1121794A (en) | Device for pressing a cable against the bottom of a pulley groove | |
| CN200985260Y (en) | Safety clamp acting on traction wheel | |
| CN103183266A (en) | Speed limiter tension device for elevator | |
| CN202347896U (en) | Detection device of steel wire rope | |
| CN203212258U (en) | Mechanical rope arrangement device | |
| EP1457453A1 (en) | Device for controlling the ropes of elevators | |
| CN212769275U (en) | Detection and safety device for tension of hoisting rope | |
| CN112794233B (en) | Oblique transportation safety device | |
| CN1132174A (en) | Elevator apparatus | |
| CN108928707B (en) | Cargo lift assembly | |
| CN2583059Y (en) | Construction lifter load carrying ability limiting apparatus | |
| CN218344910U (en) | Monitoring device of diversion sheave |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |