CN109132777A - A kind of safety tongs of elevator - Google Patents
A kind of safety tongs of elevator Download PDFInfo
- Publication number
- CN109132777A CN109132777A CN201811344589.1A CN201811344589A CN109132777A CN 109132777 A CN109132777 A CN 109132777A CN 201811344589 A CN201811344589 A CN 201811344589A CN 109132777 A CN109132777 A CN 109132777A
- Authority
- CN
- China
- Prior art keywords
- safety tongs
- elevator
- voussoir
- ontology
- safety
- 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.)
- Pending
Links
Classifications
-
- 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
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/22—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of linearly-movable wedges
Abstract
The present invention provides a kind of safety tongs of elevator, belongs to elevator technology field.The safety tongs of the elevator includes velocity measuring part, pressure detecting part, safety tongs ontology and controller, and safety tongs ontology is equipped with radiating piece, and safety tongs ontology includes bracket, the first installation cavity, the second installation cavity and motor.Velocity measuring in the present invention detects elevator cab movement speed, the surface pressing of pressure detecting part detection suspension strop, safety tongs ontology is by carriage stop on guide rail, pull rod is driven to move on the first preset direction for motor so that the first voussoir is moved by needle roller exclusion the second voussoir of pressure along the direction close to guide rail, radiating piece can cool down to safety tongs ontology, it prevents because of temperature arrising caused by friction, frictional force declines so that secure chamber safety declines if avoiding temperature excessively high, radiating piece makes the temperature on safety tongs ontology will not be excessively high, improves the safety of safety tongs.
Description
Technical field
The invention belongs to elevator technology fields, are related to a kind of safety tongs of elevator.
Background technique
When chance failure occurs in elevator, elevator overspeed is caused to run or when elevator the case where accidental falling occurs, in order to
The safety of passenger is protected, is usually provided with safety guard on elevator.Conventional safety guard includes limiter of speed
And safety tongs, when elevator overspeed operation, limiter of speed starts the pull rod of pull-up safety tongs, makes safety tongs clamping guide-rail to electricity
Terraced carriage is braked.Traditional safety tongs is divided into instantaneous formula and gradual, be respectively used to the speed of service in 0.63m/s or less and
In the elevator of 0.63m/s or more.However conventional security pincers, when actually braking, the heat of generation is higher, and braking surface
Friction plate is easy the abrasion in elevator long-term operation, leads to the decline of security performance, in addition, conventional security clamp brake adjusts model
It encloses small, it is difficult to which good braking effect is played to a variety of different overspeed situations.
Summary of the invention
The present invention addresses the above problems in the prior art, provides a kind of safety tongs of elevator, and the present invention to be solved
Certainly the technical issues of is: the speed that how providing one kind can detect in velocity measuring part is greater than pre-set velocity, pressure detecting part
Safety tongs when detecting the pressure of suspension strop less than preset pressure by carriage stop on guide rail.
Object of the invention can be realized by the following technical scheme:
A kind of safety tongs of elevator, including velocity measuring part, pressure detecting part, safety tongs ontology and to control velocity measuring part
The detection lift car speed of service, the speed to detect in velocity measuring part are examined greater than pre-set velocity time control pressing pressure detection piece
The surface pressing of survey elevator suspension rope, the pressure to detect in pressure detecting part control safety tongs ontology when being less than preset pressure
By controller of the carriage stop on guide rail, the safety tongs ontology is equipped with the radiating piece to radiate to safety tongs ontology,
The safety tongs ontology includes the bracket being mounted in carriage, the first installation cavity, the second installation cavity and motor, the bracket
The card slot to be clamped guide rail is equipped at center, the card slot both ends are respectively equipped with the first installation cavity and the second installation cavity,
The first voussoir is equipped in the first installation cavity and the second installation cavity body, to the second wedge by elevator stopping on guide rail
Block, one end are connected to the first voussoir, the other end is connected to the first through hole of the needle roller row and one end of the second voussoir on bracket
Be connected to the first voussoir, the other end be connected to motor line shaft pull rod, the motor receive controller unlatching finger
Pull rod is driven to move when enabling on the first preset direction so that the first voussoir squeezes the second voussoir of pressure along close by needle roller
The direction of guide rail moves.
Preferably, the bracket is mounted on carriage by bolt.
Preferably, first voussoir bottom end is equipped with the shock absorber part to carry out damping to the first voussoir.
Preferably, the sound absorbing layer to sound-absorbing is equipped on the inside of the bracket.
Preferably, the radiating piece includes to the air blower to the air blast of safety tongs ontology.
Preferably, further include when being less than preset pressure to the pressure that detects in the pressure detecting part controller control it
The alarm alarmed.
Preferably, the shock absorber part includes that one end is connected to the hanging ring of the first voussoir bottom end, the support being set on bracket
Plate, one end are connected to hanging ring, the other end is connected to the elastic draw bar of support plate, the damping spring for being socketed on elastic draw bar and socket
In elastic draw bar and the damping sleeve for being set to damping spring bottom end.
Preferably, the radiating piece further includes the cooling fin for being mounted on the second wedge surface.
Preferably, second voussoir is equipped with multiple frictional grooves to increasing friction force close to the side of guide rail.
Preferably, the frictional groove is waveform frictional groove.
Controller control velocity measuring detection detection elevator cab movement speed in the present invention, is greater than default speed in speed
The surface pressing of controller control pressure detecting part detection suspension strop, the controller control peace when pressure is less than preset pressure when spending
For full pincers ontology by carriage stop on guide rail, motor drives pull rod along the first default side when receiving the instruction of controller unlatching
Moving upwards so that the first voussoir is squeezed by needle roller presses the second voussoir to move along the direction close to guide rail, can thus incite somebody to action
Carriage stop is easy to operate on guide rail, and structure is simple, and safety is higher, and radiating piece can cool down to safety tongs ontology,
It prevents because of temperature arrising caused by friction, frictional force declines so that secure chamber safety declines if avoiding temperature excessively high, and radiating piece makes safety tongs
Temperature on ontology will not be excessively high, improves the safety of safety tongs.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of the secure chamber ontology in the present invention；
Fig. 3 is the structural schematic diagram of the shock absorber part in the present invention.
In figure: 1- carriage, 11- velocity measuring part, 12- guide rail, 2- suspension strop, 21- pressure detecting part, 3- safety tongs sheet
Body, 31- bracket, the first voussoir of 32-, 33- shock absorber part, 331- hanging ring, 332- damping spring, 333- damping sleeve, 334- support plate,
The second voussoir of 34-, 35- pull rod, 36- motor, 4- controller, 41- alarm, 5- air blower.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, the safety tongs of the elevator in the present embodiment, including velocity measuring part 11, pressure detecting
Part 21, safety tongs ontology 3 and to control velocity measuring part 11 detect 1 speed of service of lift car, in velocity measuring part
The speed of 11 detections is greater than pre-set velocity time control pressing pressure detection piece 21 and detects the surface pressing of elevator suspension rope 2, to press
The pressure that power detection piece 21 detects controls control of the safety tongs ontology 3 by 1 stop of carriage on guide rail 12 when being less than preset pressure
Device 4, safety tongs ontology 3 are equipped with the radiating piece to radiate to safety tongs ontology 3, and safety tongs ontology 3 includes being mounted on carriage 1
On bracket 31, first cavity, the second installation cavity and motor 36 are installed, be equipped at 31 center of bracket to be clamped guide rail 12
Card slot, card slot both ends are respectively equipped with the first installation cavity and the second installation cavity, and first installs in cavity and the second installation cavity body
It is equipped with the first voussoir 32, second voussoir 34 of the elevator stopping on guide rail 12, one end are connected to the first voussoir 32, another
The first through hole that one end is connected to the needle roller row of the second voussoir 34 and one end passes through on bracket 31 is connected to the first voussoir 32, another
End is connected to the pull rod 35 of the line shaft of motor 36, and motor 36 drives 35 edge of pull rod when receiving the instruction of the unlatching of controller 4
Move on the first preset direction so that side of first voussoir 32 by needle roller exclusion the second voussoir 34 of pressure along close guide rail 12
To movement.
Controller 4 controls velocity measuring detection detection 1 movement velocity of lift car, controls when speed is greater than pre-set velocity
Device 4 controls the surface pressing that pressure detecting part 21 detects suspension strop 2, and when pressure is less than preset pressure, controller 4 controls safety
Ontology 3 is clamped by 1 stop of carriage on guide rail 12, motor 36 drives pull rod 35 along the when receiving the instruction of the unlatching of controller 4
It is moved on one preset direction so that the first voussoir 32 squeezes the second voussoir 34 of pressure along close to the direction of guide rail 12 fortune by needle roller
It is dynamic, thus can be by 1 stop of carriage on guide rail 12, easy to operate, structure is simple, and safety is higher, and radiating piece can be given
Safety tongs ontology 3 cools down, and prevents because of temperature arrising caused by friction, and frictional force decline is so that secure chamber safety if avoiding temperature excessively high
Decline, radiating piece make the temperature on safety tongs ontology 3 will not be excessively high, improve the safety of safety tongs.Controller 4 can be
STM32 single-chip microcontroller, velocity measuring part 11 can be velocity sensor, and pressure detecting part 21 can be pressure sensor.
Bracket 31 can be mounted on carriage 1 by bolt, have the foreign matters such as sand, dust, greasy filth safe in safety tongs jaw
Pincers voussoir can't clip rail guide rail 12, and carriage 1 continues slide downward, causes to fail, under such safety tongs can be dismantled from carriage 1
Come, it is convenient to be cleaned to safety tongs ontology 3, improve safety and the service life of safety tongs.
Referring to Fig. 3,32 bottom end of the first voussoir can be equipped with the shock absorber part 33 to carry out damping to the first voussoir 32.Subtract
Shaking part 33 may include that one end is connected to the hanging ring 331 of 32 bottom end of the first voussoir, the support plate being set on bracket 31 334, one
End is connected to hanging ring 331, the other end is connected to the elastic draw bar 35 of support plate 334, is socketed on the damping spring of elastic draw bar 35
332 and the damping sleeve 333 that is socketed on elastic draw bar 35, is set to 332 bottom end of damping spring, damping spring 332 be spirally to subtract
Spring 332 is shaken, damping sleeve 333 is rubber damping set 333, can carry out damping to carriage 1 in this way, increase the safety of elevator
Energy.
Sound absorbing layer to sound-absorbing can be equipped on the inside of bracket 31, sound absorbing layer can be acoustical cotton, can reduce in this way because
The huge noise that second voussoir 34 generates 1 stop of carriage on guide rail 12, protects the ear of user.
Radiating piece may include that the heat dissipation of radiating piece can be improved in this way to the air blower 5 to 3 air blast of safety tongs ontology
Efficiency.
Safety tongs as the elevator in the present embodiment can also include small to the pressure that detects in pressure detecting part 21
Controller 4 controls its alarm 41 alarmed when preset pressure, and alarm 41 can be combined aural and visual alarm 41, in pressure
Controller 4, which controls it and issues a sound, when the pressure that detection piece 21 detects is less than preset pressure pipes and feux rouges.
Radiating piece can also include the cooling fin for being mounted on 34 surface of the second voussoir, and the heat dissipation of radiating piece can be improved in this way
Efficiency.
Second voussoir 34 can be equipped with multiple frictional grooves to increasing friction force close to the side of guide rail 12, and increase rubs
It wipes, braking effect can be effectively promoted, so that the second voussoir 34 is preferably by 1 stop of carriage on guide rail 12.Frictional groove can
Think waveform frictional groove, it can be with increasing friction force.Frictional groove can be the straight-line groove perpendicular to guide rail 12.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of safety tongs of elevator, it is characterised in that: including velocity measuring part (11), pressure detecting part (21), safety tongs sheet
Body (3) and to control velocity measuring part (11) detection lift car (1) speed of service, to velocity measuring part (11) detect
Speed be greater than pre-set velocity time control pressing pressure detection piece (21) detection elevator suspension rope (2) surface pressing, in pressure
Control safety tongs ontology (3) is by carriage (1) stop on guide rail (12) when the pressure of detection piece (21) detection is less than preset pressure
Controller (4), the safety tongs ontology (3) be equipped with to safety tongs ontology (3) radiate radiating piece, the safety tongs
Ontology (3) includes the bracket (31) being mounted on carriage (1), the first installation cavity, the second installation cavity and motor (36), described
It is equipped at bracket (31) center to the card slot that is clamped guide rail (12), the card slot both ends are respectively equipped with the first installation cavity and the
Two installation cavitys are equipped with the first voussoir (32) in the first installation cavity and the second installation cavity body, to by elevator stopping
The second voussoir (34) (32) on guide rail (12), one end are connected to the first voussoir (32), the other end is connected to the second voussoir
(34) first through hole of needle roller row and one end on bracket (31) of (32) is connected to the first voussoir (32), the other end is connected to
The pull rod (35) of the line shaft of motor (36), the motor (36) drive pull rod when receiving the instruction of controller (4) unlatching
(35) moved on the first preset direction so that the first voussoir (32) by needle roller squeeze pressure the second voussoir (34) (32) along
Direction close to guide rail (12) moves.
2. a kind of safety tongs of elevator as described in claim 1, it is characterised in that: the bracket (31) is mounted on by bolt
Carriage (1).
3. a kind of safety tongs of elevator as claimed in claim 1 or 2, it is characterised in that: the first voussoir (32) bottom end is set
There is the shock absorber part (33) to carry out damping to the first voussoir (32).
4. a kind of safety tongs of elevator as claimed in claim 1 or 2, it is characterised in that: be equipped with and use on the inside of the bracket (31)
With the sound absorbing layer of sound-absorbing.
5. a kind of safety tongs of elevator as claimed in claim 1 or 2, it is characterised in that: the radiating piece includes to peace
The air blower (5) of full pincers ontology (3) air blast.
6. a kind of safety tongs of elevator as claimed in claim 1 or 2, it is characterised in that: further include to be examined in the pressure
Controller (4) controls its alarm (41) alarmed when surveying the pressure of part (21) detection less than preset pressure.
7. a kind of safety tongs of elevator as claimed in claim 3, it is characterised in that: the shock absorber part (33) includes one end connection
Hanging ring is connected in the hanging ring (331) of the first voussoir (32) bottom end, the support plate (334) being set on bracket (31), one end
(331), the other end is connected to support plate (334) elastic draw bar (35), the damping spring (332) for being socketed on elastic draw bar (35)
Be socketed on elastic draw bar (35) and be set to the damping sleeve (333) of damping spring (332) bottom end.
8. a kind of safety tongs of elevator as claimed in claim 1 or 2, it is characterised in that: the radiating piece further includes being mounted on
The cooling fin on the second voussoir (34) (32) surface.
9. a kind of safety tongs of elevator as claimed in claim 1 or 2, it is characterised in that: second voussoir (34) (32) is leaned on
The side of nearly guide rail (12) is equipped with multiple frictional grooves to increasing friction force.
10. a kind of safety tongs of elevator as claimed in claim 9, it is characterised in that: the frictional groove is waveform frictional groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344589.1A CN109132777A (en) | 2018-11-13 | 2018-11-13 | A kind of safety tongs of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344589.1A CN109132777A (en) | 2018-11-13 | 2018-11-13 | A kind of safety tongs of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109132777A true CN109132777A (en) | 2019-01-04 |
Family
ID=64805764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811344589.1A Pending CN109132777A (en) | 2018-11-13 | 2018-11-13 | A kind of safety tongs of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109132777A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408533A (en) * | 2018-06-12 | 2018-08-17 | 许昌昌信机械制造有限公司 | A kind of safety tongs for home lift |
| CN111238853A (en) * | 2020-03-23 | 2020-06-05 | 苏州君洹自动化设备有限公司 | Elevator brake shoe testing device, manufacturing equipment and testing method |
| CN111895261A (en) * | 2020-07-24 | 2020-11-06 | 河源职业技术学院 | One-way four-wedge safety tongs for special-shaped guide rail |
| CN112110311A (en) * | 2020-10-22 | 2020-12-22 | 苏州博量电梯科技有限公司 | Electronic safety tongs for elevator braking |
| US11639284B1 (en) * | 2021-12-08 | 2023-05-02 | George F. Becker | Wedge brake elevator safety system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207330031U (en) * | 2017-08-25 | 2018-05-08 | 山西东迅自动化设备有限公司 | A kind of elevator safety gear |
| CN207511631U (en) * | 2017-10-31 | 2018-06-19 | 天津乐驰电梯配件有限公司 | A kind of elevator safety gear with shock-absorbing function |
| CN108217379A (en) * | 2016-12-12 | 2018-06-29 | 株式会社日立制作所 | Elevator and its safety tongs |
| CN108408533A (en) * | 2018-06-12 | 2018-08-17 | 许昌昌信机械制造有限公司 | A kind of safety tongs for home lift |
| CN108750859A (en) * | 2016-08-21 | 2018-11-06 | 吴振彪 | A kind of lifting type elevator falling proof device |
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2018
- 2018-11-13 CN CN201811344589.1A patent/CN109132777A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108750859A (en) * | 2016-08-21 | 2018-11-06 | 吴振彪 | A kind of lifting type elevator falling proof device |
| CN108217379A (en) * | 2016-12-12 | 2018-06-29 | 株式会社日立制作所 | Elevator and its safety tongs |
| CN207330031U (en) * | 2017-08-25 | 2018-05-08 | 山西东迅自动化设备有限公司 | A kind of elevator safety gear |
| CN207511631U (en) * | 2017-10-31 | 2018-06-19 | 天津乐驰电梯配件有限公司 | A kind of elevator safety gear with shock-absorbing function |
| CN108408533A (en) * | 2018-06-12 | 2018-08-17 | 许昌昌信机械制造有限公司 | A kind of safety tongs for home lift |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408533A (en) * | 2018-06-12 | 2018-08-17 | 许昌昌信机械制造有限公司 | A kind of safety tongs for home lift |
| CN111238853A (en) * | 2020-03-23 | 2020-06-05 | 苏州君洹自动化设备有限公司 | Elevator brake shoe testing device, manufacturing equipment and testing method |
| CN111895261A (en) * | 2020-07-24 | 2020-11-06 | 河源职业技术学院 | One-way four-wedge safety tongs for special-shaped guide rail |
| CN111895261B (en) * | 2020-07-24 | 2021-11-09 | 河源职业技术学院 | One-way four-wedge safety tongs for special-shaped guide rail |
| CN112110311A (en) * | 2020-10-22 | 2020-12-22 | 苏州博量电梯科技有限公司 | Electronic safety tongs for elevator braking |
| CN112110311B (en) * | 2020-10-22 | 2021-12-17 | 苏州博量电梯科技有限公司 | Electronic safety tongs for elevator braking |
| US11639284B1 (en) * | 2021-12-08 | 2023-05-02 | George F. Becker | Wedge brake elevator safety system |
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Application publication date: 20190104 |