CN110371821B - Anti-falling safety fire-fighting equipment for high-rise elevator - Google Patents
Anti-falling safety fire-fighting equipment for high-rise elevator Download PDFInfo
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- CN110371821B CN110371821B CN201910708587.4A CN201910708587A CN110371821B CN 110371821 B CN110371821 B CN 110371821B CN 201910708587 A CN201910708587 A CN 201910708587A CN 110371821 B CN110371821 B CN 110371821B
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- elevator
- elevator car
- limiting device
- block
- trigger block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention relates to the field of elevator fire fighting, in particular to anti-falling safety fire fighting equipment for a high-rise elevator, which comprises an elevator car and an elevator shaft, wherein a trigger block is movably arranged in the elevator shaft, a limiting device is movably arranged below the trigger block, the two ends of the limiting device are arranged in a diamond shape, and the fixing device is arranged in an inclined acute angle triangle shape, so that the fixing device can be triggered to move upwards through an inclined plane after the limiting device rotates to limit the elevator car so as to clamp and fix the two sides of the elevator car, the right side of the diamond lower end of the limiting device is provided with an inwards concave engaged groove which is engaged with an engaged lug on the lower part of the fixing device, so that the efficiency of the limiting device driving the fixing device to move upwards is improved, and the fixing device is provided with a fixing lug which is fixedly connected to one side of the elevator car and, so that the fixing efficiency of the elevator car after the elevator car is contacted is improved.
Description
Technical Field
The invention relates to the field of elevator fire fighting, in particular to anti-falling safety fire fighting equipment for a high-rise elevator.
Background
The elevator is a permanent transportation device which serves a plurality of specific higher floors in a building, the lift car of the elevator runs on at least two rows of rigid rail motion devices which are vertical to the horizontal plane or have an inclination angle smaller than 15 degrees with a plumb line, and usually, when the elevator breaks down, the elevator fire lock can limit and fix the elevator fire lock in time so as to ensure the safety of internal personnel.
But current elevator fire control lock is so mostly fixed through the taut tight both sides clamp rail that makes of steel cable when the elevator whereabouts, nevertheless breaks or the stop device of steel cable breaks down and can't fix then can't carry out spacing fixed to the elevator when the steel cable.
Disclosure of Invention
The utility model provides a high building elevator is with preventing safe fire equipment that falls, thereby the device can the falling speed automated inspection elevator carry out the efficient spacing fixed to the elevator of the whereabouts of out of control the very first time for the injury restriction that personnel in the elevator received is at the minimum.
The utility model provides a high building elevator is with preventing safe fire-fighting equipment that falls, includes elevator car, elevartor shaft, the inside movable mounting of elevartor shaft has the trigger block, trigger block below movable mounting has stop device, the top movable mounting at stop device both sides has fixing device.
Preferably, the trigger block is arranged downwards in a right trapezoid inclined plane and is arranged in a circular arc mode at one end facing the elevator car, and a moving block is fixedly connected to the upper end of the trigger block.
Preferably, the inner wall of the elevator shaft above the trigger block is provided with a moving groove, the moving groove is bent in a zigzag mode, the left side of a single sawtooth is arranged in a convex arc mode, the right side of the single sawtooth is arranged in a concave arc mode, and the moving block is arranged in a pentagonal mode, and the five sides of the moving block are arranged in a convex arc mode.
Preferably, the lower end of the trigger block is movably provided with a fixed rod, the upper end of the fixed rod is arranged in an inclined mode, the lower end of the fixed rod is inserted into the limiting device, and the limiting device is internally and movably provided with an expansion spring and the expansion spring is arranged in a mode of gradually reducing from bottom to top.
Preferably, two ends of the limiting device are arranged in a diamond shape, two ends of the limiting device are fixedly connected with rotating cavities, limiting blocks are fixedly connected to the front side and the rear side of the inner wall of the elevator shaft, and two sides of each limiting block are arranged in a fan shape.
Preferably, the right side of the diamond-shaped lower end of the limiting device is inwards concave and provided with an occlusion groove, and the lower part of the fixing device is arc-shaped and fixedly connected with an occlusion convex block.
Preferably, the fixing device is arranged in a triangular shape with an inclined acute angle, the fixing device is fixedly connected with fixing lugs arranged at intervals, the fixing lugs are arranged in a right trapezoid shape with an inclined edge downwards, and one end of each fixing lug, facing the elevator car, is provided with a saw-toothed groove which is integrally arranged in a wavy shape.
Preferably, the triggering blocks on one side of the elevator shaft are arranged in two, the horizontal distance between the two triggering blocks is longer than that of the elevator car, and the left side and the right side of the elevator shaft are arranged in the same way.
Compared with the prior art, the invention has the following beneficial effects:
1. the trigger block is a right trapezoid inclined plane and is arranged downwards, one end facing the elevator car is arranged in an arc shape, so that the elevator can be triggered to move rightwards without being blocked when moving, a fixed rod arranged in the same inclination at the upper end can move upwards through the inclined plane when moving rightwards so as to be disconnected with the limiting device, a sawtooth bending device is arranged on the inner wall of the elevator shaft above the trigger block, the left side of a single sawtooth is arranged in an outward convex arc shape, a moving groove is arranged in an inward concave arc shape, the right side of the single sawtooth is arranged in an outward convex arc shape, and a moving block is arranged in a pentagonal shape and arranged in an outward convex arc shape is arranged on the trigger block, so that when the trigger block moves rightwards, the right return and the left return are more rapid through a convex surface, the right return is slower, the delayed return for a certain time, when the elevator moves at normal speed, the fixed rods below the two trigger blocks always have one block which is clamped inside the limiting device and can not rotate to limit the elevator car, but when the elevator steel cable is damaged and falls out of control, the moving speed is too high, so that the trigger block at the triggered upper end triggers the trigger block at the lower end when the trigger block does not return, and the two fixed rods on the limiting device are disconnected with the trigger block, so that the limiting device rotates, the elevator car is clamped, and the kinetic energy of the elevator car is not increased to be too large, so that the safety of internal personnel is guaranteed.
2. Set up for rhombus and fixing device is the triangle-shaped setting of inclination acute angle through stop device both ends, thereby make and can trigger fixing device and press from both sides tight fixedly to elevator car through the inclined plane rebound after stop device is rotatory to carry on spacingly to elevator car, the lower extreme right side of rethread stop device rhombus sets up for the indent and sets up and the interlock groove of interlock lug gomphosis of each other below the fixing device, make stop device drive fixing device rebound's efficiency improve, the fixed lug of whole cockscomb structure recess that is the wavy setting of fixed connection on one side of rethread fixing device subtend elevator car, make contact to elevator car after it fixed efficiency improve, can make fixing device contact to elevator car through the slope of fixing device inside fixed mounting the rubber layer make the rubber layer upwards extrude more efficient and contact with elevator car further through the through-hole that the slope upwards and the inner wall set up for indent arc And the fixing efficiency is improved.
3. Set up for reducing gradually by supreme down through expanding spring for make expanding spring make the easier return after outwards moving when trigger device return makes the resistance littleer, the trapezoidal form that diminishes gradually outside by inside on the rethread through-hole and trilateral lug that all indent arcs set up, enlarge the scope of extruding when making the efficiency of rubber layer extruded improve, make its area of contact with elevator car further strengthen fixed effect further.
Drawings
Fig. 1 is a front view of an elevator car of the present invention;
fig. 2 is a perspective view of an elevator shaft of the present invention;
FIG. 3 is a schematic view of a sink according to the present invention;
FIG. 4 is a left side view of an elevator shaft of the present invention;
FIG. 5 is a perspective view of the spacing device of the present invention;
FIG. 6 is a schematic view of a spin chamber of the present invention;
FIG. 7 is a schematic view of a telescoping spring according to the present invention;
FIG. 8 is a schematic view of a fixing device according to the present invention;
FIG. 9 is a perspective view of the fastening device of the present invention;
FIG. 10 is an enlarged view taken at A of FIG. 9 in accordance with the present invention;
FIG. 11 is a cross-sectional view of a via according to the present invention;
FIG. 12 is a schematic view of a bump according to the present invention.
In the figure: 1-elevator car, 2-elevator shaft, 3-moving groove, 4-moving block, 5-trigger block, 6-fixed rod, 7-limiting device, 701-meshing groove, 8-fixing device, 801-meshing lug, 9-rotating cavity, 10-limiting block, 11-expansion spring, 12-rubber layer, 13-fixing lug, 14-through hole and 15-lug.
Detailed Description
Referring to fig. 1 to 12, a schematic plan structure and a schematic perspective structure of a fall-preventing safety fire-fighting device for a high-rise elevator are shown.
The utility model provides a high building elevator is with preventing safe fire-fighting equipment that falls, includes elevator car 1, elevartor shaft 2, and 2 inside movable mounting of elevartor shaft have trigger block 5, trigger block 5 below movable mounting have stop device 7, and the top movable mounting at 7 both sides of stop device has fixing device 8.
In the concrete implementation, trigger block 5 for right trapezoid inclined plane sets up downwards and towards elevator car 1's one end be the circular arc setting, trigger block 5 upper end fixedly connected with movable block 4 for thereby can trigger its right removal when the elevator removes and can not be blocked make the dead lever 6 that the same slope of upper end set up makes the rebound through the inclined plane when moving on the right side and break off being connected with stop device 7.
In concrete implementation, the shifting chute 3 has been seted up on 2 inner walls of elevartor shaft above the trigger block 5, and the left side that the shifting chute 3 set up and single sawtooth is set up the right side for evagination arc for the cockscomb structure is buckled and is the setting of indent arc, and the movable block 4 sets up and the pentagon is evagination arc for the pentagon for thereby it then slows the time delay return that causes the certain time to move left when the convex surface is swift more to move right when trigger block 5.
In specific implementation, there is dead lever 6 trigger block 5 lower extreme movable mounting, dead lever 6 upper end is for slope setting and lower extreme insert stop device 7 in, stop device 7 inside movable mounting has expanding spring 11 and expanding spring 11 for dwindling the setting gradually by supreme down for the dead lever can block stop device 7 and make its both ends rotation chamber 9 and stopper 10 can not driven by the spring rotatory, make trigger device 5 return make the resistance littleer make expanding spring 11 return after outwards moving more easily simultaneously through expanding spring 11.
In concrete implementation, 7 both ends of stop device are the rhombus setting, and 7 both ends fixedly connected with rotating chamber 9 of stop device, fixedly connected with stopper 10 is opened to the front and back both sides of 2 inner walls of elevartor shaft, and stopper 10 both sides are fan-shaped setting for thereby it can trigger fixing device 8 and press from both sides tight fixedly through inclined plane rebound to elevator car 1's both sides to make when stop device 7 is rotatory to carry out spacing back to elevator car 1.
In specific implementation, the right side of the diamond-shaped lower end of the limiting device 7 is provided with the concave engagement groove 701 which is concave, and the arc-shaped engagement bump 801 fixedly connected with is arranged below the fixing device 8, so that the efficiency of the limiting device 7 driving the fixing device 8 to move upwards is improved, and the fixing efficiency is improved.
In the concrete implementation, the fixing device 8 is arranged in a triangle shape with an inclined acute angle, the fixing device 8 is fixedly connected with fixing lugs 13 which are arranged at intervals, the fixing lugs 13 are in a right trapezoid shape, the inclined edges are arranged downwards, one end of each fixing lug 13 facing the elevator car 1 is provided with a saw-toothed groove which is arranged in a wavy shape as a whole, and then the fixing lugs 13 which are fixedly connected to one side of the elevator car 1 and are arranged in a wavy shape as a whole are used for improving the fixing efficiency of the elevator car 1 after contacting the elevator car, the obliquely arranged rubber layer 12 fixedly arranged in the elevator car 1 enables the rubber layer 12 to be more efficiently extruded upwards to be contacted with the elevator car 1 through the through hole 14 obliquely upwards and with the inwards concave arc-shaped inner wall after the fixing device 8 is contacted with the elevator car 1, so that the fixing efficiency is further improved.
In the concrete implementation, the triggering block 5 on one side of the elevator shaft 2 is provided with two triggering blocks, the horizontal distance between the two triggering blocks is longer than that of the elevator car 1, and the left side and the right side of the elevator shaft 2 are arranged in the same way, so that when the elevator moves at a normal speed, one fixing rod 6 below the two triggering blocks 5 is always clamped inside the limiting device 7 to prevent the fixing rod from rotating to limit the elevator car 1, but when an elevator steel cable is damaged and falls out of control, the moving speed is too fast, so that the triggering block 5 at the triggered upper end triggers the triggering block 5 at the lower end when the triggering block does not reach the return, the two fixing rods 6 on the limiting device 7 are disconnected with the limiting device 7 to enable the limiting device 7 to rotate to clamp the elevator car 1 to fix the elevator car 1 when the kinetic energy is not increased too much, and the safety of.
The working principle of the anti-falling safety fire-fighting equipment for the high-rise elevator is as follows.
Firstly, the trigger block 5 is arranged downwards in a right trapezoid inclined plane, one end facing the elevator car 1 is arranged in an arc shape, when the elevator moves, the elevator can be triggered to move rightwards without being clamped, meanwhile, the fixed rod 6 arranged in the same inclination at the upper end can move upwards through the inclined plane when the elevator moves rightwards, so that the connection with the limiting device 7 is disconnected, then, the inner wall of the elevator shaft 2 above the trigger block 5 is provided with a zigzag bending arrangement, the left side of a single sawtooth is arranged in an outward arc shape, the right side of the single sawtooth is arranged in an inward arc shape, the movable groove 4 and the trigger block 5 are arranged in a pentagonal shape, and the five sides of the movable groove are arranged in an outward arc shape, so that when the trigger block 5 moves rightwards and returns leftwards more quickly through a convex surface, the time delay return is slower, and the horizontal distance between the two trigger blocks is longer than that the elevator car, when the elevator moves at normal speed, one fixed rod 6 below the two trigger blocks 5 is always clamped in the limiting device 7 so as not to rotate to limit the elevator car 1, but when the elevator steel cable is damaged and falls out of control so that the moving speed is too high, so that the trigger block 5 at the upper end after triggering triggers the trigger block 5 at the lower end when the trigger block is not returned, so that the two fixed rods 6 on the limiting device 7 are disconnected with the fixed rod 6, the limiting device 7 rotates to clamp the elevator car 1, the kinetic energy of the elevator car 1 is not increased too much, the elevator car 1 is fixed and limited so as to ensure the safety of internal personnel, then the two ends of the limiting device 7 are arranged in a rhombic shape and are arranged in an inclined acute angle triangular shape with the fixing device 8, so that the fixing device 8 can be triggered to move upwards through an inclined plane to clamp and fix the two sides of the elevator car 1 after the limiting device 7 rotates to limit the, then the right side of the diamond lower end of the limiting device 7 is provided with an inwards concave engagement groove 701 which is embedded with an engagement lug 801 below the fixing device 8, so that the efficiency of the limiting device 7 driving the fixing device 8 to move upwards is improved, then the fixing device 8 is fixedly connected with a fixing lug 13 of a saw-toothed groove which is fixedly connected with one side of the elevator car 1 and is arranged in a wavy shape, so that the fixing efficiency of the fixing device is improved after contacting the elevator car 1, after the fixing device 8 contacts the elevator car 1, the rubber layer can be more efficiently extruded upwards to contact the elevator car 1 through a through hole 14 which is arranged in an upwards inclined manner and has an inwards concave arc-shaped inner wall, so that the fixing efficiency is further improved, finally, the expansion spring 11 is arranged in a gradually reduced manner from bottom to top through the expansion spring 11, so that the trigger device 5 returns to enable the resistance to be smaller and the expansion spring 11 to return more easily after moving outwards, and then through the trapezoidal shape that gradually diminishes from inside to outside on the through-hole 14 and trilateral all concave arc setting's lug 15 for the range of having expanded and having extruded is expanded when the efficiency that the rubber layer 12 was extruded improves, makes its fixed effect of further increaseing with elevator car 1 area of contact.
Claims (5)
1. The utility model provides a high building elevator is with preventing safe fire-fighting equipment that falls, includes elevator car (1), elevartor shaft (2), its characterized in that: a trigger block (5) is movably mounted in the elevator shaft (2), a limiting device (7) is movably mounted below the trigger block (5), and fixing devices (8) are movably mounted above two sides of the limiting device (7);
the trigger block (5) is arranged downwards in a right-angled trapezoid inclined plane, one end of the trigger block, facing the elevator car (1), is arranged in an arc shape, and the upper end of the trigger block (5) is fixedly connected with a moving block (4);
a moving groove (3) is formed in the inner wall of the elevator shaft (2) above the trigger block (5), the moving groove (3) is arranged in a zigzag bending mode, the left side of each single sawtooth is an outward convex arc, the right side of each single sawtooth is an inward concave arc, the moving block (4) is arranged in a pentagon shape, and the five sides of each moving block are outward convex arcs;
a fixed rod (6) is movably mounted at the lower end of the trigger block (5), the upper end of the fixed rod (6) is arranged in an inclined mode, the lower end of the fixed rod is inserted into a limiting device (7), and a telescopic spring (11) is movably mounted inside the limiting device (7);
two ends of the limiting device (7) are arranged in a diamond shape, two ends of the limiting device (7) are fixedly connected with rotating cavities (9), and the front side and the rear side of the inner wall of the elevator shaft (2) are fixedly connected with limiting blocks (10);
the elevator car is characterized in that the two triggering blocks (5) on one side of the elevator shaft (2) are arranged, the horizontal distance between the two triggering blocks is longer than that of the elevator car (1), and the left side and the right side of the elevator shaft (2) are arranged in the same mode.
2. The anti-falling safety fire-fighting equipment for the high-rise elevator as claimed in claim 1, wherein: the extension spring (11) is arranged in a manner of gradually reducing from bottom to top.
3. The anti-falling safety fire-fighting equipment for the high-rise elevator as claimed in claim 1, wherein: the two sides of the limiting block (10) are arranged in a fan shape.
4. The anti-falling safety fire-fighting equipment for the high-rise elevator as claimed in claim 1, wherein: the right side of the lower end of the limiting device (7) is provided with an inwards concave occlusion groove (701), and the lower part of the fixing device (8) is arc-shaped and is fixedly connected with an occlusion convex block (801).
5. The anti-falling safety fire-fighting equipment for the high-rise elevator as claimed in claim 1, wherein: fixing device (8) are the setting of the triangle-shaped of slope acute angle, fixed lug (13) that fixedly connected with interval set up on fixing device (8), fixed lug (13) are right trapezoid and hypotenuse and set up downwards, fixed lug (13) serve towards one of elevator car (1) and offer the whole cockscomb structure recess that sets up for the wavy form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910708587.4A CN110371821B (en) | 2019-08-01 | 2019-08-01 | Anti-falling safety fire-fighting equipment for high-rise elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910708587.4A CN110371821B (en) | 2019-08-01 | 2019-08-01 | Anti-falling safety fire-fighting equipment for high-rise elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110371821A CN110371821A (en) | 2019-10-25 |
| CN110371821B true CN110371821B (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910708587.4A Active CN110371821B (en) | 2019-08-01 | 2019-08-01 | Anti-falling safety fire-fighting equipment for high-rise elevator |
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| CN (1) | CN110371821B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111706137B (en) * | 2020-06-28 | 2021-06-08 | 江苏科技大学 | A safe anti-falling device for encircling well formula stereo garage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302890A (en) * | 2008-06-30 | 2008-11-12 | 深圳市特辰科技有限公司 | Runner drop proof positioning type elevating scaffold and working method thereof |
| CN203947759U (en) * | 2014-06-05 | 2014-11-19 | 中建六局建设发展有限公司 | A kind of anti-falling structure of lifting gear |
| CN109562910A (en) * | 2016-08-09 | 2019-04-02 | 三菱电机株式会社 | Lift appliance |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008019064A (en) * | 2006-07-13 | 2008-01-31 | Mitsubishi Electric Corp | Fall prevention device of elevator |
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2019
- 2019-08-01 CN CN201910708587.4A patent/CN110371821B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302890A (en) * | 2008-06-30 | 2008-11-12 | 深圳市特辰科技有限公司 | Runner drop proof positioning type elevating scaffold and working method thereof |
| CN203947759U (en) * | 2014-06-05 | 2014-11-19 | 中建六局建设发展有限公司 | A kind of anti-falling structure of lifting gear |
| CN109562910A (en) * | 2016-08-09 | 2019-04-02 | 三菱电机株式会社 | Lift appliance |
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| CN110371821A (en) | 2019-10-25 |
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Effective date of registration: 20201123 Address after: Backyard, No.188, North dajingcun village, Fengtai District, Beijing 100071 Applicant after: Beijing Shichuang Elevator Engineering Co., Ltd Address before: 221700 No.46 Jiefang Road, Fengxian County, Xuzhou City, Jiangsu Province Applicant before: Su Xiaolin |
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