CN201240733Y - Safety brake device for elevator - Google Patents
Safety brake device for elevator Download PDFInfo
- Publication number
- CN201240733Y CN201240733Y CNU2008200807650U CN200820080765U CN201240733Y CN 201240733 Y CN201240733 Y CN 201240733Y CN U2008200807650 U CNU2008200807650 U CN U2008200807650U CN 200820080765 U CN200820080765 U CN 200820080765U CN 201240733 Y CN201240733 Y CN 201240733Y
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- Prior art keywords
- caliper
- hinge
- roller assembly
- braking
- elevator
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Abstract
Disclosed is an elevator safety brake device used in an elevator cage. The elevator safety brake device comprises a safety clamp device and a driving device. The safety clamp device comprises a clamp body, a braking wedge block, a roller subassembly, a bent plate, a first liner plate, a braking plate and a butterfly spring set. One side of the clamp body is open; an elevator lead rail vertically passes by in front of the clamp body; the braking wedge block is arranged in the clamp body, with one side bordering upon the surface of the elevator lead rail and the other side bordering upon the roller subassembly; an adjusting bolt is arranged at the upper end of the braking wedge block and a driving device is arranged at the lower end of the braking wedge block; a spring is connected at the lower end of the roller assembly, and the other end of the spring is connected with the bent plate; the bolt sequentially perforates the bent plate and the first liner plate from the right wall of the clamp body; a bolt is arranged at the lower part of the bent plate; a cover board is installed at the open side of the clamp body; two long slots are arranged on the cover board; pins and bolts fixed on the braking wedge block respectively run through the two long slots; and braking plate and the spring set are arranged between the other side of the elevator lead rail and the side wall of the clamp body and are connected through bolts. The elevator safe braking device is simple in structure and low in cost and is convenient to install.
Description
Technical field
The utility model relates to a kind of safety device, refers to a kind of elevator safety brake equipment that is used on the lift car especially.
Background technology
Domestic existing elevator safety clamp device is divided into instantaneous formula, and spring assembly promptly is not set, and gradual, promptly is provided with spring assembly, this two big class.In the instantaneous safety that spring assembly is not set, the stopping distance of safety tongs is short, and the braking impulsive force is excessive, generally is not suitable for elevator and uses.Be provided with the progressive safety gear of spring assembly, as China Patent No. 02208562.9 disclosed " a kind of safety apparatus that is used for elevator ", as shown in Figure 1, it comprises safety tongs device 40 ' and the actuating device 30 ' that looking-glass symmetry distributes that be on the top of being located at car or counterweight or the base cross members 12, safety tongs device 40 ' comprises caliper 8 ', caliper 8 ' cross-sectional plane is a U-shaped, its vertical side is provided with the sunk part that the terraced guide rail 10 ' of power supply passes through, be provided with fixedly voussoir 18 ' and braking voussoir 29 ' in the caliper 8 ', the one side of braking voussoir 29 ' and fixing voussoir 18 ' relative face cooperates, this fitting surface is the 4-12 degree with respect to the leaning angle on surface, cage guide 10 ' place, the another side of braking voussoir 29 ' is adjacent with a surface 101 ' of cage guide 10 ', and this adjacently situated surfaces is parallel to the surface 101 ' of cage guide, fixedly voussoir 18 ' is provided with voussoir guide 31 ' with the front, two sides that braking voussoir 29 ' faces cage guide, voussoir guide 31 ' can stop that braking voussoir 29 ' drops out from caliper 8 ', one end of braking voussoir 29 ' is provided with adjustable bolt 19 ', can adjust the end position of braking voussoir 29 ' by rotating adjustable bolt 19 ', the other end of braking voussoir 29 ' is connected with actuating device 30 ', fixedly be provided with roller assembly 16 ' between voussoir 18 ' and the braking voussoir 29 ' surface of matching, one end of roller assembly 16 ' connects an end of spring element 28 ', and this end is supported on the supporting plate that is being connected with caliper 8 ', the other end of spring element 28 ' is fixed on the voussoir guide 31 ', side on another surface 102 ' relative with the surface 101 ' of cage guide has the slide block 23 ' that is supported in the caliper 8 ', between slide block 23 ' and cage guide 10 ', has slipper 24 ', surface of slipper 24 ' and slide block 23 ' contact matching, slipper 24 ' and slide block 23 ' are in contact with one another the surface that cooperates and are the 4-12 degree with respect to the surface at cage guide 10 ' place, slipper 24 ' is adjacent with the surface 102 ' that slide block 23 ' is in contact with one another another relative surface of mating surfaces and cage guide 10 ', and slipper 24 ' is arranged on the caliper 8 ' by coupling assembling 26 '.Between the inwall of caliper 8 ' one side and slide block 23 ', be provided with two groups of spring assemblies 22 ', slipper 24 ' is supported on the coupling assembling 26 ' by spring element 25 ', both sides at slide block 23 ' are respectively equipped with cover plate 20 ', the end that cover plate 20 ' stretches out towards slipper 24 ' has the flange 201 ' that extends to the inside respectively, be provided with groove 241 ' in slipper 24 ' corresponding position, flange 201 ' enters groove 241 ' formation and cooperatively interacts.The parts that the safety tongs device of this patent comprises are too many, and complex structure, manufacturing cost expense increase, and install also cumbersomely, therefore existing elevator safety brake equipment improved.
The utility model content
The purpose of this utility model is to provide a kind of elevator safety brake equipment, and it is simple in structure, low cost of manufacture and easy for installation.
To achieve these goals, technical solution of the present utility model is: a kind of elevator safety brake equipment, it comprises that two are safety tongs device and the actuating device that is symmetrically distributed in lift car or counterweight top or bottom, described safety tongs device comprises caliper, braking voussoir and roller assembly, caliper is that the front is uncovered casing, cage guide vertically passes caliper from this caliper front, described braking voussoir is located in the caliper, its right surface is adjacent and parallel with the cage guide surface, the left surface and the roller assembly of braking voussoir fit, the face that braking voussoir and roller assembly fit has the angle of inclination with respect to the cage guide surface, the upper end of described braking voussoir is provided with trimming screw, its lower end is connected with actuating device, described roller assembly lower end connects a spring, wherein this safety tongs device also comprises bent plate, backing plate one, cover plate, slipper and butterfly spring group, the left surface applying backing plate one of roller assembly, the left surface applying bent plate of backing plate one, the other end of described spring connects an end of bent plate, the left side wall that bolt passes caliper is fixed together bent plate and backing plate one, described bent plate bottom is provided with supporting roller assembly and the bolt vertical with roller assembly, open face at described caliper is equipped with cover plate, this cover plate is provided with two elongated slots one that parallel with the dip plane of roller assembly, two, be fixed in braking voussoir fwd pin and screw and insert elongated slot one respectively, in the elongated slot two, between the right side wall of another surface relative and caliper, set gradually slipper and disk spring group with the cage guide surface, and the caliper right side wall, slipper and disk spring group are by bolted connection together.
The utility model elevator safety brake equipment is provided with two groups of disk spring groups in the wherein said caliper.
The utility model elevator safety brake equipment, the binding face of wherein said braking voussoir and roller assembly is the 4-12 degree with respect to the leaning angle on cage guide surface.
The utility model elevator safety brake equipment is provided with backing plate two between wherein said bent plate and the caliper left side wall.
The utility model elevator safety brake equipment, wherein said actuating device comprises fork, hinge one, hinge two, hinge three, adapter shaft, screw rod, snap switch and pull bar, described fork one end is provided with pilot hole, described screw passes a pilot hole and an end bolt of braking voussoir, the other end of fork and hinge are held hinged one by one, the fork middle part is hinged by screw rod with hinge 21 ends, described screw rod passes hinge two and hinge three centers and is fixed together with hinge two and hinge three, one end of this hinge three is hinged by screw rod and pull bar middle part, one end of described pull bar and adapter shaft one end are the weld together of axis normal, the other end at pull bar is provided with the connecting bore that is connected with the steel rope of velocity limiter, the pull bar below is provided with the trimming screw of a restriction pull bar displacement, match with pull bar in the trimming screw end, the other end of described adapter shaft is connected with torsion bar one end, the other end of torsion bar is connected with the adapter shaft of another safety tongs device, and described adapter shaft is provided with the ring washer that is used to open or close snap switch.
The utility model elevator safety brake equipment, wherein said trimming screw end face is an eccentric structure.
After adopting such scheme, the utility model elevator safety brake equipment is simplified the parts in the safety tongs device, makes that structure was simplified greatly, has reduced tooling cost when this safety catch produced same function to cage guide, and is simultaneously easy for installation.
Description of drawings
Fig. 1 is the structural representation of existing elevator safety brake equipment;
Fig. 2 is the front view of the utility model elevator safety brake equipment;
Fig. 3 is the birds-eye view of the utility model elevator safety brake equipment;
Fig. 4 is the left view of the utility model elevator safety brake equipment;
Fig. 4 A is that Fig. 4 A-A is to part sectional view;
Fig. 4 B is that Fig. 4 B-B is to part sectional view;
Fig. 5 is a forward security clamp device structural representation.
The specific embodiment
See also the front view and the birds-eye view of Fig. 2 and the utility model elevator safety brake equipment shown in Figure 3, on the base cross members of lift car or counterweight, be separately installed with two and be the top that is symmetrically distributed in lift car or counterweight or the safety tongs device 1 and the actuating device 2 of two bottom sides, two safety tongs devices 1, one is the forward security braking, another is reverse safety arrestment, in conjunction with forward security clamp device structural representation shown in Figure 5, safety tongs device 1 comprises caliper 11, braking voussoir 12, roller assembly 13, bent plate 15, cover plate 32, backing plate 1, backing plate 26, slipper 16 and two groups of butterfly spring groups 17.Caliper 11 is uncovered casing for the front, and cage guide 3 is vertical from caliper 11 fronts passes caliper 11, and these caliper 11 back are fixed in the lift car base cross members by bolt with safety tongs device 1.
In conjunction with shown in Figure 5, braking voussoir 12 is located in the caliper 11, its right surface is adjacent and parallel with cage guide surface 301, the left surface of braking voussoir 12 is adjacent with roller assembly 13, braking voussoir 12 and roller assembly 13 adjacent faces have tilt angle alpha with respect to cage guide surface 301, this tilt angle alpha is 7.5 degree, the upper end of braking voussoir 12 is provided with trimming screw 4, can adjust the end position of braking voussoir 12 by rotating trimming screw 4, the braking voussoir 12 the lower end be connected with actuating device 2, roller assembly 13 lower ends connect an end of spring 14, the other end of spring 14 connects an end of bent plate 15, bent plate 15 is positioned over the left side of roller assembly 13, is provided with backing plate 1 between roller assembly 13 and the bent plate 15, is provided with backing plate 26 between bent plate 15 and caliper 11 left side walls.By being set, backing plate 26 can regulate the level attitude of the braking voussoir 12 between roller assembly 13 and the cage guide 3.Bolt 7 passes the left side wall of caliper 11 with backing plate 26, bent plate 15 is fixed together with backing plate 1, bent plate 15 bottoms are provided with the bolt 151 of supporting roller assembly 13, this bolt 151 is vertical with roller assembly 13, the front of caliper 11 is equipped with cover plate 32, cover plate 32 can stop roller assembly 13 and braking voussoir 12 to drop out in caliper 11, it is elongated slot 1 that cover plate 32 is provided with two elongated slots that parallel with the dip plane of roller assembly 13, elongated slot 2 322, be fixed in braking voussoir 12 fwd pins 30 and screw 31 and insert elongated slot 1 respectively, braking voussoir 12 is moved along elongated slot 1 and elongated slot 2 322, between another surface 302 relative and caliper 11 right side walls, set gradually slipper 16 and two groups of disk spring groups 17 with cage guide surface 301, and caliper 11 right side walls, slipper 16 is connected and fixed by bolt 18 with disk spring group 17.Can change the distance between slipper 16 and caliper 11 right side walls, the precompressed compression of adjustment disk spring group 17 by rotating bolt 18, thus the pressure of 17 pairs of cage guides 3 of control disk spring group.
See also Fig. 4, shown in Fig. 4 A and Fig. 4 B, actuating device 2 comprises fork 20, hinge 1, hinge 2 24, hinge 3 26, adapter shaft 27, screw rod 28, snap switch 29 and pull bar 25, fork 20 1 ends are provided with pilot hole 21, screw 22 passes pilot hole 21 and the lower end bolt of braking voussoir 12, the other end of fork 20 and hinge one 23 one ends are hinged, fork 20 middle parts and hinge 2 24 1 ends are hinged by screw rod 28, screw rod 28 passes hinge 2 24 and hinge 3 26 centers and is fixed together with hinge 2 24 and hinge 3 26, one end of hinge 3 26 is hinged by screw rod 28 and pull bar 25 middle parts, one end of pull bar 25 and adapter shaft 27 1 ends are the weld together of axis normal, the other end at pull bar 25 is provided with the connecting bore 251 that is connected with the steel rope of velocity limiter, pull bar 25 belows are provided with the trimming screw 8 of a restriction pull bar 25 displacements, match with pull bar 25 in trimming screw 8 ends, trimming screw 8 end faces are eccentric structure, can cooperatively interact by adjusting position and pull bar 25, constitute the inhibiting device of pull bar 25 jointly.
In conjunction with Figure 1 and Figure 2, the other end of the adapter shaft 27 of this forward security clamp device is connected with torsion bar 40 1 ends, the other end of torsion bar 40 is connected with the adapter shaft 27 of reverse safety tongs device 1, and adapter shaft 27 is provided with the ring washer 291 that is used to open or close snap switch 29.
The working process of the utility model elevator safety brake equipment is as follows:
When elevator moved with command speed downwards, the elevator safety brake equipment was in normal working; When elevator moves above command speed downwards, the power of lifting that the velocity limiter action produces makes forward security clamp device 1 pull bar 25 rotate counterclockwise along adapter shaft 27, drive clockwise rotates around hinge 1 by hinge 3 26, screw rod 28, hinge 2 24 bonded assembly forks 20 with pull bar 25, and fork 20 drives connected braking voussoir 12 along the inclined-plane upward movement.Meanwhile, the adapter shaft 27 that drives on the reverse safety tongs device 1 by torsion bar 40 rotates, and drives braking voussoir 12 upward movements on the reverse safety tongs device caliper 11 simultaneously.At this moment, braking voussoir 12 and slipper 16 in forward security clamp device 1 and the reverse safety tongs device 1 clamp two cage guides 3 simultaneously, make that the elevator of operation hypervelocity downwards is out of service, keep quiescence on cage guide 3.Meanwhile, the back-up ring 291 that adapter shaft 27 is provided with rotates with adapter shaft 27, makes snap switch 29 actions that are fixed on the actuating device 2, thereby cuts off the power supply of elevator traction machine.
After the action of the utility model elevator safety brake equipment, braking voussoir 12 and snap switch 29 must be resetted, promptly snap switch 29 is in "on" position, and the utility model elevator safety brake equipment just can resume operation.
The utility model elevator safety brake equipment is simplified the parts in the safety tongs device, makes that structure was simplified greatly, has reduced tooling cost when this safety catch produced same function to cage guide, and is simultaneously easy for installation.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering staff in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (6)
1, a kind of elevator safety brake equipment, it comprises that two are safety tongs device (1) and the actuating device (2) that is symmetrically distributed in lift car or counterweight top or bottom, described safety tongs device (1) comprises caliper (11), braking voussoir (12) and roller assembly (13), caliper (11) is uncovered casing for the front, cage guide (3) vertically passes caliper (11) from this caliper (11) front, described braking voussoir (12) is located in the caliper (11), its right surface is adjacent and parallel with cage guide surface (301), the left surface and the roller assembly (13) of braking voussoir (12) fit, braking voussoir (12) has angle of inclination (α) with the face that roller assembly (13) fits with respect to cage guide surface (301), the upper end of described braking voussoir (12) is provided with trimming screw (4), its lower end is connected with actuating device (2), described roller assembly (13) lower end connects a spring (14), it is characterized in that: this safety tongs device also comprises bent plate (15), backing plate one (5), cover plate (32), slipper (16) and butterfly spring group (17), the left surface applying backing plate one (5) of roller assembly (13), the left surface applying bent plate (15) of backing plate one (5), the other end of described spring (14) connects an end of bent plate (15), the left side wall that bolt (7) passes caliper (11) is fixed together bent plate (15) and backing plate one (5), described bent plate (15) bottom is provided with supporting roller assembly (13) and the bolt (151) vertical with roller assembly (13), open face at described caliper (11) is equipped with cover plate (32), this cover plate (32) is provided with two elongated slots one that parallel with the dip plane of roller assembly (13), two (321,322), be fixed in braking voussoir (12) fwd pin (30) and screw (31) and insert elongated slot one (321) respectively, in the elongated slot two (322), between the right side wall of another surface (302) relative and caliper (11), set gradually slipper (16) and disk spring group (17) with cage guide surface (301), and caliper (11) right side wall, slipper (16) links together by bolt (18) with disk spring group (17).
2, elevator safety brake equipment as claimed in claim 1 is characterized in that: be provided with two groups of disk spring groups (17) in the described caliper (11).
3, elevator safety brake equipment as claimed in claim 2 is characterized in that: the binding face of described braking voussoir (12) and roller assembly (13) is the 4-12 degree with respect to the leaning angle (α) on cage guide surface.
4, elevator safety brake equipment as claimed in claim 3 is characterized in that: be provided with backing plate two (6) between described bent plate (15) and caliper (11) left side wall.
5, as the described elevator safety brake equipment of one of claim 1 to 4, it is characterized in that: described actuating device (2) comprises fork (20), hinge one (23), hinge two (24), hinge three (26), adapter shaft (27), screw rod (28), snap switch (29) and pull bar (25), described fork (20) one ends are provided with pilot hole (21), described screw (22) passes a pilot hole (21) and an end bolt of braking voussoir (12), the other end of fork (20) and hinge one (23) one end are hinged, fork (20) middle part is hinged by screw rod (28) with hinge two (24) one ends, described screw rod (28) passes hinge two (24) and hinge three (26) centers and is fixed together with hinge two (24) and hinge three (26), one end of this hinge three (26) is hinged with pull bar (25) middle part by screw rod (28), one end of described pull bar (25) and adapter shaft (27) one ends are the weld together of axis normal, the other end at pull bar (25) is provided with the connecting bore (251) that is connected with the steel rope of velocity limiter, pull bar (25) below is provided with the trimming screw (8) of restriction pull bar (a 25) displacement, match with pull bar (25) in trimming screw (8) end, the other end of described adapter shaft (27) is connected with torsion bar (40) one ends, the other end of torsion bar (40) is connected with the adapter shaft (27) of another safety tongs device (1), and described adapter shaft (27) is provided with the ring washer (291) that is used for unlatching or closes snap switch (29).
6, elevator safety brake equipment as claimed in claim 5 is characterized in that: described trimming screw (8) end face is an eccentric structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200807650U CN201240733Y (en) | 2008-05-21 | 2008-05-21 | Safety brake device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200807650U CN201240733Y (en) | 2008-05-21 | 2008-05-21 | Safety brake device for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201240733Y true CN201240733Y (en) | 2009-05-20 |
Family
ID=40714026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200807650U Expired - Lifetime CN201240733Y (en) | 2008-05-21 | 2008-05-21 | Safety brake device for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201240733Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920880A (en) * | 2010-08-27 | 2010-12-22 | 康力电梯股份有限公司 | Speed-limiting control device of home elevator |
| CN102616620A (en) * | 2012-03-08 | 2012-08-01 | 谭锦泉 | Progressive type safety gear of anti-falling safety device |
| CN105947831A (en) * | 2016-07-13 | 2016-09-21 | 天津鑫宝龙电梯集团有限公司 | Pull arm of elevator safety gear |
| CN107980035A (en) * | 2015-04-10 | 2018-05-01 | 奥的斯电梯公司 | Elevator safety gear is directed at system and method |
| CN114502496A (en) * | 2019-10-07 | 2022-05-13 | 戴纳泰克动力与科技有限公司 | Flexible drive electromechanical drive for actuating an elevator safety device |
-
2008
- 2008-05-21 CN CNU2008200807650U patent/CN201240733Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920880A (en) * | 2010-08-27 | 2010-12-22 | 康力电梯股份有限公司 | Speed-limiting control device of home elevator |
| WO2012024925A1 (en) * | 2010-08-27 | 2012-03-01 | 康力电梯股份有限公司 | Speed-limiting control device for home lift |
| CN101920880B (en) * | 2010-08-27 | 2013-08-21 | 康力电梯股份有限公司 | Speed-limiting control device of home elevator |
| CN102616620A (en) * | 2012-03-08 | 2012-08-01 | 谭锦泉 | Progressive type safety gear of anti-falling safety device |
| CN102616620B (en) * | 2012-03-08 | 2015-04-01 | 谭锦泉 | Progressive type safety gear of anti-falling safety device |
| CN107980035A (en) * | 2015-04-10 | 2018-05-01 | 奥的斯电梯公司 | Elevator safety gear is directed at system and method |
| CN107980035B (en) * | 2015-04-10 | 2019-12-24 | 奥的斯电梯公司 | Elevator safety gear alignment system and method |
| CN105947831A (en) * | 2016-07-13 | 2016-09-21 | 天津鑫宝龙电梯集团有限公司 | Pull arm of elevator safety gear |
| CN114502496A (en) * | 2019-10-07 | 2022-05-13 | 戴纳泰克动力与科技有限公司 | Flexible drive electromechanical drive for actuating an elevator safety device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090520 |
|
| CX01 | Expiry of patent term |