CN101734532B - Safety brake device acting on traction sheave of tractor - Google Patents
Safety brake device acting on traction sheave of tractor Download PDFInfo
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- CN101734532B CN101734532B CN2009102628298A CN200910262829A CN101734532B CN 101734532 B CN101734532 B CN 101734532B CN 2009102628298 A CN2009102628298 A CN 2009102628298A CN 200910262829 A CN200910262829 A CN 200910262829A CN 101734532 B CN101734532 B CN 101734532B
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- traction sheave
- brake scotch
- towing machine
- seat
- brake
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Abstract
The invention discloses a safety brake device acting on a traction sheave of a tractor, which belongs to the technical field of safety devices of elevators. The tractor comprises a transparent cover and a traction sheave of the tractor, which is characterized in that: the safety brake device comprises a fixed bracket, a brake mechanism, a start reset mechanism and a detecting mechanism, wherein the brake mechanism is arranged on the transparent cover of the tractor and is extended in the traction sheave and is provided with a sliding slot; the brake mechanism is used for braking and releasing the traction sheave and comprises a tension spring, a fraction plate, a brake scotch and a brake scotch seat; the start reset mechanism is used for driving the brake mechanism to brake and release the traction sheave and comprises a steel wire, a cylindrical pin, a swinging rod, a guide rod and an elastic component; and the detecting mechanism is used for detecting whether the swinging rod acts and comprises a safety switch and a collision foot. The safety brake device acting on the traction sheave of the tractor has the following advantages: avoidance of damage to the outer surface of the steel wire or the traction sheave, large effective brake area, good braking effect, capability of ensuring operational safety, simple structure, small volume, and low manufacturing cost without special installation space.
Description
Technical field
The invention belongs to the elevator car safety technical field, be specifically related to the safety catch that is used for the car up-running over-speed protection on a kind of traction sheave that acts on towing machine.
Background technology
GB7588-2003 " elevator manufacturing and installation safety standard " is defined in when arranging elevator the car protection device for over-speed ascending must be installed; it is out of control that this device can be measured the speed of up car; and can make the car stop, perhaps make its speed be reduced to the scope of design of counterweight buffer at least.Most in the market bridge railway carriage or compartment protection device for over-speed ascending all acts on the steel rope; come stop elevator by clamping the elevator traction machine steel rope; this apparatus structure complexity, heaviness are damaged steel rope easily, and are needed certain installing space in the stop process.
For example Chinese utility model patent Granted publication CN200985260Y discloses a kind of " acting on the safety tongs on the traction sheave ", having on the pedestal longitudinally rolls cooperates or is slidingly fitted in dragging plate on the pedestal, have on the dragging plate through bearing pin pivotally attached brake block assembly, one end of dragging plate is connected with a end of drag-line on being installed in pedestal one end through pull bar, the other end of drag-line is connected with the up velocity limiter of towing machine, between dragging plate and said base one end at least one retracing spring is arranged, the moving shoe plate assembly of limited customization is around the inhibiting device of bearing pin hunting range on the dragging plate, and it also comprises and can clamp the limit switch and the pressing plate that can make it conducting of actuating signal by output safety.The advantage that this structure has is: the safety tongs on the traction sheave had both kept prior art to act on the advantage of the drg on the traction sheave, and volume is little, simple in structure again, noiselessness and working stability are reliable when not working.But, also there is following shortcoming in actual use in said structure: at first, the brake shoe sheet of this device is that braking is on the outside face of traction sheave, because the traction sheave outside face has grooving, the payload space of braking seldom, through after the braking repeatedly, the outside face of traction sheave is worn easily, external diameter reduces, and braking effect is variation gradually, even can't brake; Secondly, when this device is installed, need the mount pad of frame and so on to come to link, need certain installing space with locating plate, and this complex structure, the Installation and Debugging difficulty, the processing and manufacturing difficulty is big, causes cost than higher.In addition, in the prior art, also having some brake clamps is to act directly on the traction sheave outside face that steel rope walks around, and this technical scheme not only makes the traction sheave outside face impaired, and steel rope also can damaged.
Summary of the invention
Task of the present invention is the safety catch that will provide on a kind of traction sheave that acts on towing machine, it is not only simple and compact for structure, volume is little, cost is low, and can be directly installed on covering thoroughly of towing machine, do not need special-purpose installing space, glancing impact acts on the inside of traction sheave and does not damage traction sheave outside face and steel rope simultaneously, and brake area is bigger, is easy to arrange, installs and debugging.
Task of the present invention is finished like this, safety catch on a kind of traction sheave that acts on towing machine, described towing machine comprises that towing machine covers, is located at the traction sheave of the saturating lid of towing machine one side thoroughly, be characterized in: described safety catch comprises an analog bracket, be installed in the inside that towing machine covered and extended to traction sheave thoroughly, offer sliding tray in the centre of analog bracket length direction; One stop mechanism, be used for braking and discharge traction sheave, this stop mechanism comprises extension spring, friction lining, brake scotch and brake scotch seat, described brake scotch seat places in the sliding tray of described analog bracket slidably, described brake scotch rotationally pivotal joint on the brake scotch seat, described friction lining is fixed on the upper surface of described brake scotch and is corresponding with the cylindrical annulated column inside face of described traction sheave, one end of described extension spring is connected with analog bracket, and the other end of extension spring is connected with the brake scotch seat; One starting Bringing-back mechanism, be used to order about the stop mechanism braking and discharge traction sheave, comprise steel rope, straight pin, fork, guide rod, and elastic component, described guide rod is fixed on the below that towing machine covered and be positioned at described analog bracket thoroughly, the hub setting rotationally of the middle part of described fork is on guide rod, one end of fork extends in the sliding tray of analog bracket and corresponding to described brake scotch seat, the other end of fork is fixed with straight pin, one end of described steel rope is connected with straight pin, pull bar on the up velocity limiter of the other end of steel rope and towing machine is connected, described elastic component is set on the guide rod, being used to drive described fork rotates on guide rod, one end of elastic component is connected with fork, and the other end of elastic component covers thoroughly with towing machine and is connected; One testing agency, whether be used to detect fork moves, comprise safety switch and hit pin, the described pin that hits is installed on the fork, described safety switch is positioned at a side of fork, and making contact on the safety switch corresponding to the described pin that hits, safety switch is used to export the signal that brake equipment has moved, hits pin and can make the safety switch conducting.
In a specific embodiment of the present invention, the regulating mechanism that is used to adjust gap between brake scotch and the brake scotch seat is installed on the described brake scotch seat, this regulating mechanism comprises adjustable bolt, adjustable bolt seat, jam nut and stage clip, described adjustable bolt seat is arranged on the brake scotch seat, described adjustable bolt revolves and fits on the adjustable bolt seat and inconsistent with brake scotch, and by jam nut locking, described stage clip places between brake scotch and the brake scotch seat.
In another specific embodiment of the present invention, described brake scotch seat is the narrow watt seat termination that shortened in the bottom of short transverse, and described watt of seat termination places in the sliding tray of analog bracket, and constitutes bearing fit between the sliding tray.
In another specific embodiment of the present invention, offer compression spring hole on the upper surface of described brake scotch seat, one end of described stage clip places compression spring hole, and the other end of stage clip and the lower plane of brake scotch are inconsistent, makes stage clip between brake scotch and brake scotch seat.
In another specific embodiment of the present invention, described brake scotch is provided with first pin shaft hole, described brake scotch seat is provided with second pin shaft hole, a bearing pin after passing first pin shaft hole, second pin shaft hole with brake scotch rotationally pivotal joint on the brake scotch seat; The outside face of described friction lining is an arc surface, and the arc surface of the cylindrical annulated column inside face of this arc surface and described traction sheave matches.
In of the present invention and then specific embodiment, described elastic component is torsion spring or extension spring.
More of the present invention and in specific embodiment, one end of described steel rope is provided with the adjustment screw rod, offer the adjustment screw hole on the described straight pin, an end of described steel rope inserts and adjusts in the screw hole and realize and being connected of straight pin with nut locking by adjusting screw rod.
In again of the present invention and then specific embodiment, described steel rope is arranged with sleeve pipe outward, and described sleeve pipe is fixed on the support, and described support is fixed on the below that towing machine covered and be positioned at described analog bracket thoroughly.
In again of the present invention and then specific embodiment, described safety switch is installed on described towing machine directly or indirectly and covers thoroughly, described direct mount is meant that safety switch directly is fixed on described towing machine by fastener and covers thoroughly, and described indirect installation is meant that safety switch is fixed on described towing machine by support or analog bracket or other adapter plate and covers thoroughly.
Of the present invention again more and in specific embodiment, the middle part of described fork offers guide rod hole, fork is set on the guide rod rotationally by guide rod hole, and described guide rod offers the jump ring groove in the end, outer end of length direction, is provided with in the jump ring groove to be used to the jump ring that prevents that fork from coming off.
The present invention is because after adopting said structure, the beneficial effect that has: at first, this safety catch is at glancing impact, friction lining on the brake scotch is fitted on the cylindrical annulated column inside face of traction sheave, thereby has avoided the damage to steel rope or traction sheave outside face that causes at the traction sheave outside face owing to braking in the prior art; Secondly,, the payload space of braking is increased, thereby can improve braking effect, guarantee the safety that moves because the outside face of friction lining is fitted on the cylindrical annulated column inside face of traction sheave fully; Again, this device is simple in structure with respect to wire holder, and volume is little, low cost of manufacture, and also this device is directly installed on the inside that covers and be in traction sheave thoroughly of towing machine, do not need special-purpose installing space, can be used as the part of towing machine.
Description of drawings
Fig. 1 is installed on the embodiment three-dimensional exploded view that towing machine covers thoroughly for the present invention.
Fig. 2 is the structural representation of the present invention when release position.
Fig. 3 is the part sectional view of the present invention at glancing impact.
Among the figure: 1, support; 2. analog bracket, 21. sliding trays, 22. extension spring anchor shafts; 3. starting Bringing-back mechanism, 31. steel ropes, 311. are adjusted screw rod, 312. nuts, 32. sleeve pipes, 33. straight pins, 331. adjustment screw holes, 34. forks, 341. guide rod holes, 342. first elastic component fixed orifices, 35. guide rods, 351. jump ring grooves, 36. elastic components, 37. jump rings; 4. stop mechanism, 41. extension springs, 42. friction linings, 43. brake scotch, 431. first pin shaft holes, 44. brake scotch seats, 441. compression spring holes, 442. extension spring Connection Blocks, 443. second pin shaft holes, 444. watts of seat terminations, 45. adjustable bolts, 46. adjustable bolt seats, 47. jam nuts, 48. bearing pins, 49. stage clips; 5. detecting device, 51, safety switch, 511. contacts, 52. hit pin; Towing machine cover thoroughly, 61. second elastic component fixed orifices; 7. traction sheave, 71. cylindrical annulated column inside faces; 8. up velocity limiter.
The specific embodiment
For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the present invention program, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
See also Fig. 1 and in conjunction with Fig. 2, Fig. 3, safety catch on a kind of traction sheave that acts on towing machine, described towing machine comprises the saturating lid 6 of towing machine, is located at the traction sheave 7 of the saturating lid of towing machine 6 one sides, and described safety catch comprises support 1, analog bracket 2, starting Bringing-back mechanism 3, stop mechanism 4 and testing agency 5.Described analog bracket 2 is installed in 6 on the saturating lid of towing machine by fasteners such as bolts, and this analog bracket 2 extends to the inside of traction sheave 7 on a side side of traction sheave 7, and offers sliding tray 21 in the centre of analog bracket 2 length directions.Described support 1 is installed on the saturating lid 6 of towing machine by fasteners such as bolts and is positioned at the below of described analog bracket 2.Described stop mechanism 4 comprises extension spring 41, friction lining 42, brake scotch 43 and brake scotch seat 44, the middle part that described brake scotch seat 44 offers compression spring hole 441, brake scotch seat 44 on the narrow upper surface that shortens a watt seat termination 444, brake scotch seat 44 into, the bottom of short transverse a side is provided with extension spring Connection Block 442, brake scotch seat 44 offers second pin shaft hole 443 at thickness direction, and brake scotch seat 44 places on the described analog bracket 2 with the inserting of sliding tray 21 slidably by watt seat termination 444 of bottom; The middle part of described brake scotch 43 on thickness direction, offer first pin shaft hole, 431, one bearing pins 48 after passing first pin shaft hole 431, second pin shaft hole 443 with brake scotch 43 rotationally pivotal joint on brake scotch seat 44; Described friction lining 42 is sticking to be posted on the upper surface of brake scotch and corresponding to the cylindrical annulated column inside face 71 of described traction sheave 7, simultaneously, touch in order to guarantee that both can fully paste, preferential selection is that the outside face with friction lining 42 is designed to arc surface, and the arc surface of the cylindrical annulated column inside face 71 of this arc surface and described traction sheave 7 matches; One end of described extension spring 41 is connected with analog bracket 2, the other end of extension spring 41 is connected with brake scotch seat 43, specifically: on described analog bracket 2, also be provided with extension spring anchor shaft 22, one end of extension spring 41 is connected with extension spring anchor shaft 22, the other end of extension spring 41 is connected with extension spring Connection Block 442 on the brake scotch seat 44, certain above-mentioned connection mode is not subjected to any restriction, and it can also save extension spring anchor shaft 22, extension spring Connection Block 442, directly is connected with analog bracket 2, brake scotch seat 43 etc.Simultaneously, for easy for installation, also having additional the regulating mechanism that is used to adjust gap between brake scotch 43 and the brake scotch seat 44 on the brake scotch seat 44, this regulating mechanism comprises adjustable bolt 45, adjustable bolt seat 46, jam nut 47 and stage clip 49, described adjustable bolt seat 46 is arranged on the brake scotch seat 44, can integral production between adjustable bolt seat 46 and the brake scotch seat 44, also can by modes such as welding both be connected and fixed again behind the split production; Described adjustable bolt 45 revolves and fits on the adjustable bolt seat 46, conflicts on brake scotch 43 in the upper end of adjustable bolt 45, is locked by jam nut 47 after set up brake scotch 43 and brake scotch seat 44 position between the two; One end of described stage clip 49 places compression spring hole 441, and the lower plane of the other end of stage clip 49 and brake scotch 43 is inconsistent, makes stage clip 49 between brake scotch 43 and brake scotch seat 44.Described starting Bringing-back mechanism 3 comprises steel rope 31, sleeve pipe 32, straight pin 33, fork 34, guide rod 35, with elastic component 36, described guide rod 35 is fixed on the saturating lid 6 of towing machine and is positioned at the below of described analog bracket 2, guide rod 35 offers jump ring groove 351 in the end, outer end of length direction, the middle part of described fork 34 offers guide rod hole 341, fork 34 passes through guide rod hole 341 hub setting rotationally on guide rod 35, and in the jump ring groove 351 of guide rod 35, be embedded with and be used to the jump ring 37 that prevents that fork 34 from outwards coming off, one end of described fork 34 (being the upper end of shown position) extends in the sliding tray 21 of analog bracket 2 and corresponding to watt seat termination 444 of described brake scotch seat 44, the other end of fork 34 (being the lower end of shown position) is fixed with straight pin 33, on described straight pin 33, offer and adjust screw hole 331, one end of described steel rope 31 is connected with straight pin 33, specifically: the end at steel rope 31 is provided with adjustment screw rod 311, adjusting screw rod 311 inserts in the adjustment screw hole 331 also with nut 312 lockings, thereby realize an end of steel rope 31 and being connected of straight pin 33, the pull bar on the up velocity limiter 8 of the other end of described steel rope 31 and towing machine is connected; Described sleeve pipe 32 is set in outside the steel rope 31, and an end of this sleeve pipe 32 is fixed on the described support 1; Described elastic component 36 is torsion spring or extension spring, in the present embodiment, the preferential torsion spring that is chosen as is a torsion spring, elastic component 36 is set on the guide rod 35 and covers between 6 thoroughly at fork 34 and towing machine, one end of elastic component 36 is connected with fork 34, the other end of elastic component 36 is connected with the saturating lid 6 of towing machine, specifically: on fork 34, be provided with the first elastic component fixed orifice 342, on the saturating lid 6 of towing machine, be provided with the second elastic component fixed orifice 61, one end of elastic component 36 is connected with the first elastic component fixed orifice 342 on the fork 34, the other end of elastic component 36 is connected with the saturating second elastic component fixed orifice 61 that covers on 6 of towing machine, certain above-mentioned connection mode is not subjected to any restriction, and it can also be by being located at fork 34, the connector of the saturating lid 6 of towing machine connects etc.Described testing agency 5 comprises safety switch 51 and hits pin 52, the described pin 52 that hits is installed on the fork 34, described safety switch 51 is positioned at a side of fork 34, and be installed on directly or indirectly on the saturating lid 6 of described towing machine, described direct mount is meant that safety switch 51 directly is fixed on the saturating lid 6 of described towing machine by fastener, described indirect installation is meant that safety switch 51 is fixed on the saturating lid 6 of described towing machine by support 1 or analog bracket 2 or other adapter plate, in the present embodiment, preferential selection is that safety switch 51 is installed on the support 1, and make on switch contact 511 and the described fork 34 on the safety switch 51 to hit pin 52 corresponding, safety switch 51 is connected by the circuit of circuit with the towing machine control system, be used to export the signal that brake equipment has moved, hit pin 52 and can make safety switch 51 conductings.
Please continue to consult Fig. 1, Fig. 2, Fig. 3, narrate principle of work of the present invention: when safety catch is in initial condition when (as shown in Figure 2), fork 34 its upper end under the torsional interaction of elastic component 36 overcomes the pulling force of 41 pairs of brake scotch seats 45 of extension spring, friction lining 42 on the brake scotch 43 is not contacted with the cylindrical annulated column inside face 71 of traction sheave 7, hit end of pin 52 and safety switch 51 and be in and treat mode of operation.When elevator moves generation out of control hypervelocity, when speed reaches the mechanical action of up velocity limiter 8, up velocity limiter 8 output mechanical action signals, the steel rope 31 that tension links to each other with straight pin 33, steel rope 31 pulling straight pins 33, at this moment fork 34 overcomes the torsional interaction of elastic component 36, do the anticlockwise direction swing around guide rod 35, the upper end that makes fork 34 reduces the resistance of watt seat termination 444 of brake scotch seat 44, so brake scotch seat 44 moves to the upper left side at the sliding tray on analog bracket 2 under the effect of extension spring 41 pulling force 21, the mobile drive brake scotch 43 of brake scotch seat 44 and friction lining 42 same moved further, when friction lining 42 contacts (as shown in Figure 3) with the cylindrical annulated column inside face 71 of traction sheave 7, because brake scotch 43 can be around pivot pin 48 swings, so, at first automatically, carry out the adjustment of self-angle, the outside face of friction lining 42 and the cylindrical annulated column inside face 71 of traction sheave 7 are fitted, behind cylindrical annulated column inside face 71 closed contacts of the outside face of friction lining 42 and traction sheave 7, because rubbing effect, both are in self-locking state, this moment, the rotatory inertia of traction sheave 7 further dragged friction lining 42 lockings, last stop elevator towing machine.In this process, drag the moment of fork 34 swings when steel rope 31, the pin 52 that hits on the fork 34 is depressed contact 511 on the safety switch 51, and the affirmation signal that safety switch 51 output forks 34 have moved is given the towing machine control system, with the power supply of timely cut-out towing machine.After emergency situation is removed, up velocity limiter 8 unclamps steel rope 31, fork 34 is done clockwise direction swing and is set back around guide rod 35 under the torsional interaction of elastic component 36, in the process that sets back, the upper end of fork 34 overcomes the pulling force of extension spring 41, thereby promoting brake scotch seat 44 moves to the lower right along sliding tray 21, friction lining 42 disengagings on the brake scotch 43 are contacted with the cylindrical annulated column inside face 71 of traction sheave 7, brake off, be returned to position shown in Figure 2, but towing machine this moment normal operation after switching on again.
Claims (10)
1. the safety catch on the traction sheave that acts on towing machine, described towing machine comprises that towing machine covers (6) thoroughly, is located at the traction sheave (7) that towing machine covers (6) one sides thoroughly, it is characterized in that described safety catch comprises an analog bracket (2), be installed in towing machine and cover the inside that traction sheave (7) were gone up and extended in (6) thoroughly, offer sliding tray (21) in the centre of analog bracket (2) length direction; One stop mechanism (4), be used for braking and discharge traction sheave (7), this stop mechanism (4) comprises extension spring (41), friction lining (42), brake scotch (43), with brake scotch seat (44), described brake scotch seat (44) places in the sliding tray (21) of described analog bracket (2) slidably, described brake scotch (43) rotationally pivotal joint on brake scotch seat (44), described friction lining (42) is fixed on the upper surface of described brake scotch (43) and is corresponding with the cylindrical annulated column inside face (71) of described traction sheave (7), one end of described extension spring (41) is connected with analog bracket (2), and the other end of extension spring (41) is connected with brake scotch seat (44); One starting Bringing-back mechanism (3), be used to order about stop mechanism (4) braking and discharge traction sheave (7), comprise steel rope (31), straight pin (33), fork (34), guide rod (35), and elastic component (36), described guide rod (35) is fixed on towing machine and covers the below that described analog bracket (2) were gone up and be positioned in (6) thoroughly, the middle part hub setting rotationally of described fork (34) is on guide rod (35), one end of fork (34) extends in the sliding tray (21) of analog bracket (2) and corresponding to described brake scotch seat (44), the other end of fork (34) is fixed with straight pin (33), one end of described steel rope (31) is connected with straight pin (33), pull bar on the up velocity limiter (8) of the other end of steel rope (31) and towing machine is connected, described elastic component (36) is set on the guide rod (35), be used to drive described fork (34) and go up rotation at guide rod (35), one end of elastic component (36) is connected with fork (34), and the other end of elastic component (36) covers (6) thoroughly and is connected with towing machine; One testing agency (5), whether be used to detect fork (34) moves, comprise safety switch (51) and hit pin (52), the described pin (52) that hits is installed on the fork (34), described safety switch (51) is positioned at a side of fork (34), and making contact (511) on the safety switch (51) corresponding to the described pin (52) that hits, safety switch (51) is used to export the signal that brake equipment has moved, hits pin (52) and can make safety switch (51) conducting.
2. the safety catch on a kind of traction sheave that acts on towing machine according to claim 1, it is characterized in that being equipped with on the described brake scotch seat (44) regulating mechanism that is used to adjust gap between brake scotch (43) and the brake scotch seat (44), this regulating mechanism comprises adjustable bolt (45), adjustable bolt seat (46), jam nut (47) and stage clip (49), described adjustable bolt seat (46) is arranged on the brake scotch seat (44), described adjustable bolt (45) revolves and fits over that adjustable bolt seat (46) is gone up and inconsistent with brake scotch (43), and by jam nut (47) locking, described stage clip (49) places between brake scotch (43) and the brake scotch seat (44).
3. the safety catch on a kind of traction sheave that acts on towing machine according to claim 1, it is characterized in that described brake scotch seat (44) in the bottom of short transverse the narrow watt seat termination (444) that shortened into, described watt of seat termination (444) places in the sliding tray (21) of analog bracket (2), and constitutes bearing fit between the sliding tray (21).
4. the safety catch on a kind of traction sheave that acts on towing machine according to claim 2, it is characterized in that offering compression spring hole (441) on the upper surface of described brake scotch seat (44), one end of described stage clip (49) places compression spring hole (441), the lower plane of the other end of stage clip (49) and brake scotch (43) is inconsistent, and stage clip (49) is positioned between brake scotch (43) and the brake scotch seat (44).
5. the safety catch on a kind of traction sheave that acts on towing machine according to claim 1, it is characterized in that described brake scotch (43) is provided with first pin shaft hole (431), described brake scotch seat (44) is provided with second pin shaft hole (443), a bearing pin (48) after passing first pin shaft hole (431), second pin shaft hole (443) with brake scotch (43) rotationally pivotal joint on brake scotch seat (44); The outside face of described friction lining (42) is an arc surface, and the arc surface of the cylindrical annulated column inside face (71) of this arc surface and described traction sheave (7) matches.
6. the safety catch on a kind of traction sheave that acts on towing machine according to claim 1 is characterized in that described elastic component (36) is torsion spring or extension spring.
7. the safety catch on a kind of traction sheave that acts on towing machine according to claim 1, an end that it is characterized in that described steel rope (31) is provided with adjustment screw rod (311), offer on the described straight pin (33) and adjust screw hole (331), an end of described steel rope (31) inserts and adjusts in the screw hole (331) and realize and being connected of straight pin (33) with nut (312) locking by adjusting screw rod (311).
8. the safety catch on a kind of traction sheave that acts on towing machine according to claim 1, it is characterized in that the outer sleeve pipe (32) that is arranged with of described steel rope (31), described sleeve pipe (32) is fixed on the support (1), and described support (1) is fixed on towing machine and covers the below that described analog bracket (2) were gone up and be positioned in (6) thoroughly.
9. according to the safety catch on claim 1 or the 8 described a kind of traction sheaves that act on towing machine, it is characterized in that described safety switch (51) is installed on described towing machine directly or indirectly and covers thoroughly on (6), described direct mount is meant that safety switch (51) directly is fixed on described towing machine by fastener and covers thoroughly on (6), and described indirect installation is meant that safety switch (51) is fixed on described towing machine by support (1) or analog bracket (2) or other adapter plate and covers thoroughly on (6).
10. the safety catch on a kind of traction sheave that acts on towing machine according to claim 1, the middle part that it is characterized in that described fork (34) offers guide rod hole (341), fork (34) is set on the guide rod (35) rotationally by guide rod hole (341), described guide rod (35) offers jump ring groove (351) in the end, outer end of length direction, is provided with in the jump ring groove (351) to be used to the jump ring (37) that prevents that fork (34) from coming off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102628298A CN101734532B (en) | 2009-12-14 | 2009-12-14 | Safety brake device acting on traction sheave of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102628298A CN101734532B (en) | 2009-12-14 | 2009-12-14 | Safety brake device acting on traction sheave of tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101734532A CN101734532A (en) | 2010-06-16 |
| CN101734532B true CN101734532B (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102628298A Expired - Fee Related CN101734532B (en) | 2009-12-14 | 2009-12-14 | Safety brake device acting on traction sheave of tractor |
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| Country | Link |
|---|---|
| CN (1) | CN101734532B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101011024B1 (en) * | 2010-08-17 | 2011-01-26 | 배후근 | Rope brake |
| CN102431866B (en) * | 2011-10-20 | 2012-11-21 | 苏州通润驱动设备股份有限公司 | Safety braking device clamped on traction wheel of traction machine |
| CN104444689B (en) * | 2014-11-18 | 2016-08-17 | 苏州通润驱动设备股份有限公司 | A kind of traction sheave safety guard and the method for urgent stop elevator car thereof |
| CN109795581B (en) * | 2019-03-05 | 2024-04-30 | 江苏徐工工程机械研究院有限公司 | Butt-joint tool for track walking assembly |
| KR102267301B1 (en) * | 2020-10-20 | 2021-06-21 | 주식회사 휴먼엔티 | Rope braking device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998040302A1 (en) * | 1997-03-13 | 1998-09-17 | Otis Elevator Company | Quasi-elliptical cam bidirectional progressive safety |
| CN2477593Y (en) * | 2001-05-25 | 2002-02-20 | 河北东方机械厂 | Two-way action speed limiter |
| CN2526306Y (en) * | 2002-03-28 | 2002-12-18 | 河北东方机械厂 | Safety equipment for elevator |
| CN1389388A (en) * | 2002-06-12 | 2003-01-08 | 宁波欣达电梯配件厂 | Toothless dragger in frame structure and its installation |
| CN2611336Y (en) * | 2003-04-09 | 2004-04-14 | 宁波申菱电梯配件有限公司 | Improved two-way governor of elevator |
| JP2005126241A (en) * | 2003-10-27 | 2005-05-19 | Inventio Ag | Brake for elevator |
| CN200985260Y (en) * | 2006-06-26 | 2007-12-05 | 宁波欣达电梯配件厂 | Safety clamp acting on traction wheel |
| CN201567126U (en) * | 2009-12-14 | 2010-09-01 | 苏州通润驱动设备股份有限公司 | Safety brake device acting on traction sheave of traction machine |
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2009
- 2009-12-14 CN CN2009102628298A patent/CN101734532B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998040302A1 (en) * | 1997-03-13 | 1998-09-17 | Otis Elevator Company | Quasi-elliptical cam bidirectional progressive safety |
| CN2477593Y (en) * | 2001-05-25 | 2002-02-20 | 河北东方机械厂 | Two-way action speed limiter |
| CN2526306Y (en) * | 2002-03-28 | 2002-12-18 | 河北东方机械厂 | Safety equipment for elevator |
| CN1389388A (en) * | 2002-06-12 | 2003-01-08 | 宁波欣达电梯配件厂 | Toothless dragger in frame structure and its installation |
| CN2611336Y (en) * | 2003-04-09 | 2004-04-14 | 宁波申菱电梯配件有限公司 | Improved two-way governor of elevator |
| JP2005126241A (en) * | 2003-10-27 | 2005-05-19 | Inventio Ag | Brake for elevator |
| CN200985260Y (en) * | 2006-06-26 | 2007-12-05 | 宁波欣达电梯配件厂 | Safety clamp acting on traction wheel |
| CN201567126U (en) * | 2009-12-14 | 2010-09-01 | 苏州通润驱动设备股份有限公司 | Safety brake device acting on traction sheave of traction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101734532A (en) | 2010-06-16 |
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