CN205034911U - Device for preventing car is rushed to summit, dun bottom - Google Patents

Device for preventing car is rushed to summit, dun bottom Download PDF

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Publication number
CN205034911U
CN205034911U CN201520410880.XU CN201520410880U CN205034911U CN 205034911 U CN205034911 U CN 205034911U CN 201520410880 U CN201520410880 U CN 201520410880U CN 205034911 U CN205034911 U CN 205034911U
Authority
CN
China
Prior art keywords
elevator
cabinet
fixed connection
fixedly connected
optical axis
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.)
Expired - Fee Related
Application number
CN201520410880.XU
Other languages
Chinese (zh)
Inventor
郑宏安
张桂竹
金冬雷
石业秀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Rongsheng Antai Technology Co ltd
Original Assignee
Beijing Safe And Sound Hong Yuan Elevator Design Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Safe And Sound Hong Yuan Elevator Design Co Ltd filed Critical Beijing Safe And Sound Hong Yuan Elevator Design Co Ltd
Priority to CN201520410880.XU priority Critical patent/CN205034911U/en
Application granted granted Critical
Publication of CN205034911U publication Critical patent/CN205034911U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a device for preventing car is rushed to summit, dun bottom, the symmetry sets up the upper and lower both sides at the elevator well for trigger the two -way safety tongs on the elevator car, the load simulator comprises a case, the machine case passes through chassis fixed connection the elevator well, the machine incasement is equipped with servo motor, servo motor's rotation axis is worn out machine case and fixed connection rotator, the both sides of rotator all are equipped with the flank of outside extension, the extension spring of flank fixed connection, the other end fixed connection rotary rod of extension spring, the center fixed connection of the department optical axis of rotary rod, the optical axis passes quick -witted case and fixed connection crampon, correspond on the machine case the narrow avris of rotator is equipped with micro -gap switch. The utility model discloses a control crampon stimulates two -way safety tongs, controls the position of only stopping yu stopping of elevator, makes to have the space between elevator and the well to guarantee the safety of maintainer, thereby make lao lou can install the elevator additional, realize laolou's modernization restructuring.

Description

Prevent the device that car is rushed to summit at the bottom of, Dun
Technical field
The utility model relates to lift facility field, is specifically related to a kind of device preventing car from rushing to summit at the bottom of, Dun controlling elevator cage stopping movement.
Background technology
Quote relevant criterion clause:
GB7588-2003 " elevator manufacture and installation safety standard "
Between top layer and pit:
1, when on the energy disperser that counterweight is pressed in it completely, four conditions below should be met simultaneously:
A) car guide rail length should be able to provide and be not less than 0.1+0.035 υ 2the further guidance stroke of (m); Meet the parts area described in horizontal surface of the highest area in sedan-chair top of 8.13.2 dimensional characteristic, and the free vertical distance between the horizontal surface (parts under comprising beam and being fixed on hoistway top) being positioned at the minimum parts in cage projection part hoistway top should not be less than 1.0+0.035 υ 2(m).
B) hoistway top minimum parts and: the parts that the free vertical distance between the highest portion part of 1) fixing equipment is on the top of the car addressed, should not be less than 0.3+0.035 υ 2(m).2) lead boots or roller, hoist ropes annex and the crossbeam of vertically sliding door or the highest portion of parts divide between free vertical distance should not be less than 0.1+0.035 υ 2(m).
Should have enough spaces above car, the size in this space is as the criterion can hold a cuboid being not less than 0.50m × 0.60m × 0.80m, and any plane is placed down.For the elevator directly hitched with hoist ropes, as long as the distance of a vertical surface (at least one) of every root hoist ropes line of centers distance cuboid is all not more than 0.15m, then hangs hoist ropes and can be included in this space with its annex.
2, when car is pressed on energy disperser completely, three conditions below should be met simultaneously:
A) should have enough spaces in pit, the size in this space is as the criterion can hold a cuboid being not less than 0.50m × 0.60m × l.0m, and any plane is placed down.
B) the free vertical distance at the bottom of pit and between the minimum parts of car is not less than 0.50m, and when the horizontal throw between following is within 0.15m, this distance minimumly can reduce to 0.10m.
1) parts of vertically sliding door, toeguard and adjacent well enclosure.
2) the minimum parts of car and guide rail.
C) fixing in pit highest portion part, when tightening device of restricting as compensated is positioned at uppermost position in fig-ure, the free vertical distance between itself and the minimum parts of car should not be less than 0.3m.
GB28621-2012 " the new elevator fabrication and installation safety standard of safety in existing structure "
3, stop pincers
When the desired location of lift car in hoistway up and/or down accidental movement time, car is stopped and keeping the mechanical device of quiescence for ensureing the safety of car roof and/or pit personnel.
4, pre-trigger shutdown feature
This system comprises flip flop equipment, mechanical stop pincers and mechanical transmission mechanism between the two.Under elevator normal operating condition, this system allows elevator moving freely between end station.When personnel enter into sedan-chair top or pit, also system ensures there are enough survival spaces at top layer or pit.
China less than 8 layers, former standard regulation residential houses does not allow lift-mounting.But with the development of China's national economy and the arrival of aging, less than 8 layers building the elderly trips become a difficult problem, GB28621-2012 define and install elevator installation safety standard additional for this reason.But during old building lift-mounting, the regulation of headroom height and pit depth out of reach GB7588, therefore needs a kind of device, to guarantee the safety of the maintenance man in hoistway work.
Utility model content
The purpose of this utility model is to provide a kind of device preventing car from rushing to summit at the bottom of, Dun, to ensure the safety of maintenance man, when maintenance man enters before hoistway, by triggering this device, car shift motion is restricted.
The purpose of this utility model is achieved through the following technical solutions:
One prevents car from rushing to summit, device at the bottom of Dun, be symmetricly set on the both sides up and down of elevator hoistways, for triggering the bidirectional safety tongs on lift car, comprise cabinet, described cabinet is fixedly connected with described elevator hoistways by underframe, servomotor is provided with in described cabinet, the S. A. of described servomotor passes described cabinet and is fixedly connected with swivel, the both sides of described swivel are equipped with outward extending flank, described flank is fixedly connected with extension spring, the other end of described extension spring is fixedly connected with revolving bar, the center of described revolving bar is fixedly connected with optical axis, described optical axis passes cabinet and is fixedly connected with crampons, on described cabinet, the narrow avris of corresponding described swivel is provided with micro-switch.
Whether further, the top of described cabinet is provided with indicator lamp, work for pointing out this equipment of maintainer.
Further, between described cabinet and adapter plate, being provided with Compress Spring, for providing expanding force for the holding screw between cabinet and adapter plate, connecting more firm.
Further, in described cabinet, be provided with the borehole jack passed for described optical axis, increase the area of contact between cabinet and revolving bar, line is connected and becomes face connection, make revolving bar more firm.
Further, described cabinet is the rectangular box with six end faces.
The beneficial effects of the utility model are: the utility model is by controlling crampons, pull bidirectional safety tongs, control only stopping and the position stopped of elevator, make, between elevator and hoistway, there is space, to ensure the safety of maintenance man, thus Shi Lao building can install elevator additional, realize the modernization restructuring of Lao Lou.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the cut-away view of elevator hoistways described in the utility model embodiment;
Fig. 2 be in Fig. 1 A to enlarged drawing;
Fig. 3 prevents car to rush to summit the plan structure figure of the device 1 at the bottom of, Dun in Fig. 2;
Fig. 4 be in Fig. 3 B to result schematic diagram;
Fig. 5 be in Fig. 3 C to result schematic diagram.
In figure:
1, the device that car is rushed to summit at the bottom of, Dun is prevented; 2, bidirectional safety tongs; 3, lift car; 4, cabinet; 5, underframe; 6, indicator lamp; 7, Compress Spring; 8, crampons; 9, servomotor; 10, swivel; 11, flank; 12, extension spring; 13, revolving bar; 14, optical axis; 15, borehole jack; 16, micro-switch.
Detailed description of the invention
As shown in Figure 1-2, a kind of device 11 preventing car from rushing to summit at the bottom of, Dun described in the utility model embodiment, is symmetricly set on the both sides up and down of elevator hoistways, for triggering the bidirectional safety tongs 2 on lift car 3.
As shown in Figure 3, this device comprises cabinet 4, described cabinet 4 is for having the rectangular box of six end faces, the bottom of described cabinet 4 is provided with underframe 5, the shape of described underframe 5 is U-shaped plate, four sides of described cabinet 4 are respectively equipped with indicator lamp 6, flip flop equipment, Compress Spring 7 and crampons 8, described indicator lamp 6 and Compress Spring 7 are all located between cabinet 4 and underframe 5.
As illustrated in figures 4-5, described flip flop equipment comprises the servomotor 9 be arranged in cabinet 4, the S. A. of described servomotor 9 passes described cabinet 4 and is fixedly connected with swivel 10, the both sides of described swivel 10 are equipped with outward extending flank 11, described flank 11 is fixedly connected with extension spring 12, the other end of described extension spring 12 is fixedly connected with revolving bar 13, the center of described revolving bar 13 is fixedly connected with optical axis 14, described optical axis 14 passes cabinet 4 and is fixedly connected with crampons 8, the both sides of described optical axis 14 are equipped with snap ring, the outside cover of described optical axis 14 is equiped with horizontal borehole jack 15 in cabinet 4, the two ends of described borehole jack 15 are fixedly connected with cabinet 4.
On described cabinet 4, the narrow avris of corresponding described swivel 10 is provided with micro-switch 16, and when swivel 10 rotates, flank 11 touches micro-switch 16; Whether the top of described cabinet 4 is provided with indicator lamp 6, work for pointing out this equipment of maintainer; Being provided with Compress Spring 7 between described cabinet 4 and adapter plate, for providing expanding force for the holding screw between cabinet 4 and adapter plate, connecting more firm.
When service personnel to go up elevator comparatively top or comparatively the end check elevator use triangular key open entrance hall, indicator lamp 6 lights, servomotor 9 driving rotating bodies 10 rotates, swivel 10 pulls revolving bar 13 to rotate by extension spring 12, thus lean out crampons 8, when elevator arrives assigned address, crampons 8 pulls bidirectional safety tongs 2, and elevator stops.
Elevator inverted running after service personnel maintenance, bidirectional safety tongs 2 resets, ascend road, and use triangular key to close entrance hall, indicator lamp 6 goes out, and elevator normally runs.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection domain of the present utility model.

Claims (6)

1. one kind prevents car from rushing to summit, device at the bottom of Dun, be symmetricly set on the both sides up and down of elevator hoistways, for triggering the bidirectional safety tongs on lift car, it is characterized in that: comprise cabinet, described cabinet is fixedly connected with described elevator hoistways by underframe, servomotor is provided with in described cabinet, the S. A. of described servomotor passes described cabinet and is fixedly connected with swivel, the both sides of described swivel are equipped with outward extending flank, described flank is fixedly connected with extension spring, the other end of described extension spring is fixedly connected with revolving bar, the center of described revolving bar is fixedly connected with optical axis, described optical axis passes cabinet and is fixedly connected with crampons, on described cabinet, the narrow avris of corresponding described swivel is provided with micro-switch.
2. device according to claim 1, is characterized in that: the top of described cabinet is provided with indicator lamp.
3. device according to claim 1, is characterized in that: be provided with Compress Spring between described cabinet and adapter plate.
4. device according to claim 1, is characterized in that: the both sides of described revolving bar are equipped with snap ring.
5. device according to claim 1, is characterized in that: be provided with the borehole jack passed for described optical axis in described cabinet.
6. device according to claim 1, is characterized in that: described cabinet is the rectangular box with six end faces.
CN201520410880.XU 2015-06-15 2015-06-15 Device for preventing car is rushed to summit, dun bottom Expired - Fee Related CN205034911U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520410880.XU CN205034911U (en) 2015-06-15 2015-06-15 Device for preventing car is rushed to summit, dun bottom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520410880.XU CN205034911U (en) 2015-06-15 2015-06-15 Device for preventing car is rushed to summit, dun bottom

Publications (1)

Publication Number Publication Date
CN205034911U true CN205034911U (en) 2016-02-17

Family

ID=55293826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520410880.XU Expired - Fee Related CN205034911U (en) 2015-06-15 2015-06-15 Device for preventing car is rushed to summit, dun bottom

Country Status (1)

Country Link
CN (1) CN205034911U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109132766A (en) * 2018-10-23 2019-01-04 林奇虎 A kind of elevator car roof repair safety guard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109132766A (en) * 2018-10-23 2019-01-04 林奇虎 A kind of elevator car roof repair safety guard

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181011

Address after: 100036 Wanshou Road West Street, Haidian District, Beijing, 2, five, 528-529

Patentee after: Beijing Rongsheng Antai Technology Co.,Ltd.

Address before: 101407 58 District, Yan Qi Industrial Development Zone, Huairou District, Beijing.

Patentee before: BEIJING ANTAI HONGYUAN ELEVATOR DESIGN CO.,LTD.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160217