CN106744136A - A kind of home lift safety guard - Google Patents
A kind of home lift safety guard Download PDFInfo
- Publication number
- CN106744136A CN106744136A CN201710189107.9A CN201710189107A CN106744136A CN 106744136 A CN106744136 A CN 106744136A CN 201710189107 A CN201710189107 A CN 201710189107A CN 106744136 A CN106744136 A CN 106744136A
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- CN
- China
- Prior art keywords
- lifting arm
- nut
- steel pipe
- lifting rod
- lifting
- 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.)
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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
- B66B5/04—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
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of home lift safety guard, including lift car, the lift car is provided with upper beam, underbeam, two straight beams and safety tongs, it is characterised in that：Including a shift mechanism, shift mechanism includes lifting rod, steel pipe and lifting arm, and the steel pipe is set parallel to the underbeam, and the lifting rod is set parallel to the straight beam, and the lifting rod middle part is installed on the straight beam front side wall through an installing plate；The lifting arm includes the first lifting arm and the second lifting arm, and the outer end that the two ends of the steel pipe lift arm with first, second respectively is fixedly linked；One end of the steel pipe is connected with the front end of the described first lifting arm, the rear end of the first lifting arm is additionally provided with a safety tongs raising plate, the bottom of the safety tongs raising plate is connected with the rear end thereof of the described first lifting arm, and the top of the safety tongs raising plate is connected with the safety tongs.Present invention decreases the space that elevator is installed, the applicability of elevator installation is improve.
Description
Technical field
The present invention relates to a kind of elevator technology field, more particularly to a kind of home lift safety guard.
Background technology
The shift mechanism Main Function of elevator is that limiter of speed can hold shift mechanism by steel wire rope when limiter of speed is acted
Handle, and this action is passed to shift mechanism the left and right safety tongs of car bottom simultaneously by bar linkage structure, to ensure a left side
Right safety tongs can be acted simultaneously；The shift mechanism of traditional home lift substantially has two kinds, and one kind is upper shift mechanism, that is, pacify
Shift mechanism on upper beam, one kind is lower shift mechanism, i.e., the shift mechanism on underbeam.
Home lift is more complicated due to use environment, runs into the feelings of elevator top and pit all very littles simultaneously sometimes
Condition, at this moment in view of installing space and safe space, traditional upper and lower shift mechanism can not meet requirement.
The content of the invention
It is an object of the present invention to provide a kind of home lift safety guard, by using the structure, shift mechanism is reduced
Installing space, the applicability of different elevators is improve, while security and stability when ensureing that shift mechanism is used.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of home lift safety guard, including electricity
Terraced car, the lift car is provided with upper beam, underbeam and two straight beams, and the two ends of the upper beam and underbeam are respectively through two institutes
State straight beam to be connected, the lateral wall of a straight beam is provided with a safety tongs, and the safety tongs is arranged above the underbeam
On straight beam lateral wall, also including a shift mechanism, the shift mechanism is arranged at the front side of the underbeam, and the shift mechanism
The front side of the straight beam is installed on,
The shift mechanism includes lifting rod, steel pipe and lifting arm, and the steel pipe is set parallel to the underbeam, described to carry
Pull bar is set parallel to the straight beam, and the lifting rod middle part is installed on the straight beam front side wall through an installing plate；
The lifting arm includes the first lifting arm and the second lifting arm, and the two ends of the steel pipe carry with first, second respectively
The outer end of torque arm is fixedly linked；The lifting rod is set perpendicular to the steel pipe and lifting arm, the outside of the first lifting arm
Middle part is provided with a bearing pin, and the connecting plate of bottom one and the bearing pin of the lifting rod are rotatedly connected；The top of the lifting rod
A steel wire rope connector is provided with, the steel wire rope connector is arranged at the front side of the lifting rod, and the steel wire rope connector
It is arranged at the top of the steel pipe；One end of the steel pipe is connected with the front end of the described first lifting arm, the first lifting arm
Rear end be additionally provided with a safety tongs raising plate, the rear end thereof phase of the bottom of the safety tongs raising plate and the described first lifting arm
Even, the top of the safety tongs raising plate is connected with the safety tongs.
In above-mentioned technical proposal, a connecting shaft is provided between the underbeam and the steel pipe, the first, second lifting arm
Two ends of the middle inside respectively with the connecting shaft are rotatedly connected.
In above-mentioned technical proposal, the sidepiece of the installing plate is fixedly installed on the front side wall of the straight beam.
In above-mentioned technical proposal, the middle part and bottom of the lifting rod are spirally connected are provided with multiple nuts respectively, including the first spiral shell
Female, the second nut and the 3rd nut, second nut and the 3rd nut are respectively arranged at the connecting plate over and under,
And the bottom surface of second nut is butted on the top surface of the connecting plate, the top surface of the 3rd nut is butted on the connecting plate
On bottom surface；First nut is arranged at the top of the installing plate, and the bottom surface of first nut is butted on the installing plate
Top surface on.
In above-mentioned technical proposal, a spring is also arranged with the lifting rod, the installation is butted at the top of the spring
On the bottom surface of plate, the bottom of the spring is butted on the top surface of second nut.
In above-mentioned technical proposal, a switch axle sleeve is additionally provided with the steel pipe, on the bottom cylindrical face of the switch axle sleeve
It is provided with a breach.
In above-mentioned technical proposal, the switch axle sleeve lower section is provided with a safety switch, the contact pilotage at the top of the safety switch
It is butted in the breach of the switch axle sleeve.
In above-mentioned technical proposal, rope sheave and lower rope sheave are provided with the steel wire rope connector, the upper rope sheave is arranged at
The surface of the lower rope sheave.
In above-mentioned technical proposal, the upper rope sheave is connected with speed limiter wire rope, and the lower rope sheave is connected with clamp rope, and
The speed limiter wire rope is arranged at the top of the upper rope sheave, and the clamp rope is arranged at the lower section of the lower rope sheave.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. shift mechanism can be installed on by underbeam when the top layer of elevator hoistways is with pit insufficient space in the present invention
On the straight beam of side, compared with conventional structure, shift mechanism can be hidden between and be installed on the straight beam of lift car, can reduce
Elevator hoistways top layer and the use in pit space, it is adaptable to the installation of different elevators, peace when ensure that shift mechanism is used
Full property and stability；
2. by setting spring on lifting rod in the present invention, by the setting of spring, when elevator resumes operation, can be with
Lifting rod and safety tongs jacking sheet reset are driven, it is convenient and swift, recover without human assistance；
3. breach is set by the bottom cylindrical face of switch axle sleeve in the present invention, safety open is set below breach
Close, after lifting rod lifting, switch axle sleeve can be driven to rotate, the periphery of switch axle sleeve is pushed down safety switch, be easy to peace
Full switch control elevator is out of service.
Brief description of the drawings
Fig. 1 is the structural representation in the embodiment of the present invention one；
Fig. 2 is the partial enlarged drawing of Fig. 1；
Fig. 3 is the structural representation of shift mechanism in the embodiment of the present invention one；
Fig. 4 is the dimensional structure diagram of Fig. 3.
Wherein：1st, upper beam；2nd, underbeam；3rd, straight beam；4th, safety tongs；5th, shift mechanism；6th, lifting rod；7th, steel pipe；8th, install
Plate；9th, the first lifting arm；10th, the second lifting arm；11st, bearing pin；12nd, connecting plate；13rd, steel wire rope connector；14th, safety tongs jacking
Plate；15th, connecting shaft；16th, upper rope sheave；17th, lower rope sheave；18th, the first nut；19th, the second nut；20th, the 3rd nut；21st, spring；
23rd, axle sleeve is switched；24th, breach；25th, safety switch.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment one：Referring to shown in Fig. 1~4, a kind of home lift safety guard, including lift car, the electricity
Terraced car is provided with upper beam 1, underbeam 2 and two straight beams 3, and the two ends of the upper beam 1 and underbeam 2 are respectively through two straight beams 3
It is connected, the lateral wall of a straight beam 3 is provided with a safety tongs 4, and the safety tongs 4 is arranged at the straight of the top of the underbeam 2
On beam lateral wall, also including a shift mechanism 5, the shift mechanism 5 is arranged at the front side of the underbeam 2, and the pulling machine
Structure is installed on the front side of the straight beam 3,
The shift mechanism includes lifting rod 6, steel pipe 7 and lifting arm, and the steel pipe 7 is set parallel to the underbeam 2, institute
State lifting rod 6 to be set parallel to the straight beam 3, the middle part of the lifting rod 6 is installed on the front side wall of the straight beam 3 through an installing plate 8
On；
The lifting arm includes the first lifting lifting arm 10 of arm 9 and second, the two ends of the steel pipe 7 respectively with first, the
The outer end of two lifting arms is fixedly linked；The lifting rod 6 is set perpendicular to the steel pipe 7 and lifting arm, the first lifting arm 9
Outer middle side part be provided with a bearing pin 11, the connecting plate 12 of bottom one and the bearing pin 11 of the lifting rod 6 are rotatedly connected；It is described
The top of lifting rod 6 is provided with a steel wire rope connector 13, and the steel wire rope connector 13 is arranged at the front side of the lifting rod 6,
And the steel wire rope connector 13 is arranged at the top of the steel pipe 7；One end of the steel pipe 7 and the described first lifting arm 9
Front end is connected, and the rear end of the first lifting arm 9 is additionally provided with a safety tongs raising plate 14, the bottom of the safety tongs raising plate 14
Rear end thereof with the described first lifting arm 9 is connected, and the top of the safety tongs raising plate 14 is connected with the safety tongs 4.
Referring to a connecting shaft 15 shown in Fig. 1~4, is provided between the underbeam 2 and the steel pipe 7, described first, second lifts
Two ends of the middle inside of arm respectively with the connecting shaft 15 are rotatedly connected.Be provided with the steel wire rope connector 13 rope sheave 16 and
Lower rope sheave 17, the upper rope sheave 16 is arranged at the surface of the lower rope sheave 17.The upper rope sheave 16 and speed limiter wire rope phase
Even, the lower rope sheave 17 is connected with clamp rope, and the speed limiter wire rope is arranged at the top of the upper rope sheave 16, the folder
Pincers rope is arranged at the lower section of the lower rope sheave 17.
In the present embodiment, when elevator car speed breaks speed limits, limiter of speed action, speed limiter wire rope is produced
Relative deceleration with lift car, so that speed limiter wire rope can drive lifting rod carry upwards by upper rope sheave, lifting rod
When moving up, it is connected because the connecting plate below lifting rod is rotated with the first lifting arm, and first, second lifting arm
Can be rotated on connecting shaft, during such lifting rod rises, first, second lifting upper-arm circumference can be driven clockwise around connecting shaft
Rotation, that is, the rear end of the first lifting arm can be raised, that is, drive safety tongs raising plate to rise, and safety tongs raising plate is pushed
Mechanism in safety tongs, makes safety tongs clamp the guide rail of elevator, so as to limit the movement of lift car, completes the spacing of elevator.
Referring to shown in Fig. 1,2, the sidepiece of the installing plate 8 is fixedly installed on the front side wall of the straight beam 3.
The middle part and bottom of the lifting rod 6 are spirally connected are provided with multiple nuts respectively, including the first nut 18, the second nut 19
And the 3rd nut 20, the nut 20 of second nut 19 and the 3rd is respectively arranged at the connecting plate 12 over and under, and
The bottom surface of second nut 19 is butted on the top surface of the connecting plate 12, and the top surface of the 3rd nut 20 is butted on the connection
On the bottom surface of plate 12；First nut 18 is arranged at the top of the installing plate 8, and the bottom surface of first nut 18 is butted on
On the top surface of the installing plate 8.A spring 21 is also arranged with the lifting rod 6, the top of the spring 21 is butted on the peace
Fill on the bottom surface of plate 8, the bottom of the spring 21 is butted on the top surface of second nut 19.
In the present embodiment, it is necessary to, it is necessary to unclamp speed limiter wire rope when resetting again after lift car stops, so
Lift car is sling a segment distance by traction machine again afterwards, unclamps safety tongs, elevator is normally run.Wherein, in elevator car
During railway carriage or compartment rises, come loose due to speed limiter wire rope and from upper rope sheave, and lifting rod is provided with spring, by bullet
The restoring force of spring, by the upward jacking of lifting rod, makes first, second lifting arm restore to the original state, that is, drive safety tongs raising plate
Recover, safety tongs is restored to the original state.
In the present embodiment, the end of bearing pin 11 is provided with a pin-and-hole (being not drawn into figure), axle of the pin-and-hole perpendicular to bearing pin 11
Heart line is set, and then by a through hole, through hole is placed on bearing pin for the bottom of connecting plate 12, when connecting plate is that bearing pin is installed, it is only necessary to
Bearing pin is inserted in through hole, is then inserted in pin-and-hole with a locking pin (being not drawn into figure) again, you can complete connecting plate and the
The installation of one lifting arm, it is not only quick and easy for installation, and dismounting be also convenient for it is quick.
Referring to shown in Fig. 1~4, being additionally provided with a switch axle sleeve 23 on the steel pipe 7, the bottom cylindrical of the switch axle sleeve 23
Face is provided with a breach 24.The lower section of switch axle sleeve 23 is provided with a safety switch 25, the contact pilotage at the top of the safety switch 25
It is butted in the breach 24 of the switch axle sleeve 23.
In lift car normal operation, the contact pilotage of safety switch is stretched, and contact pilotage is stretched out under state, just
It is butted on the bottom surface of breach, now safety switch is not triggered.After lifting rod is elevated, steel pipe is then driven rotation,
Steel pipe is also rotated when rotating with switch axle sleeve, in switch axle sleeve rotation process, drives breach away from the contact pilotage of safety switch, this
The periphery of sample switch axle sleeve can push the contact pilotage of safety switch, after the contact pilotage of safety switch is depressed, safety switch
It is activated, control lift car is out of service, it is ensured that security when elevator is used.
In the present embodiment, it is installed between shift mechanism on the straight beam of underbeam side, can effectively reduces accounting for for space
With, directly can be hidden in lift car, even if the top of elevator hoistways and bottom space are not enough, do not interfere with pulling machine yet
The installation of structure.Meanwhile, shift mechanism is installed on straight beam, when shift mechanism is acted, can will directly be hidden in the peace in straight beam
Full pincers jack-up, plays a part of lift car stop.In the present embodiment, shift mechanism and safety tongs be directly apart from shorter,
Security when safety tongs is used can be improved, that is, improves security when elevator is used.
Meanwhile, in the present embodiment, shift mechanism is directly mounted on straight beam, and the lifting pole length in shift mechanism also compares
The length of lifting rod is shorter in conventional structure, and such lifting rod most can be quickly reacted to lifting after being pulled
On arm, the work of safety tongs raising plate is driven, because the length of lifting rod is shorter, the reaction of lifting arm can be made sensitiveer, can
It is further ensured that the security and stability of elevator operation.
Claims (9)
1. a kind of home lift safety guard, including lift car, the lift car is provided with upper beam, underbeam and two
The two ends of straight beam, the upper beam and underbeam are connected through two straight beams respectively, and the lateral wall of a straight beam is provided with one
Safety tongs, the safety tongs is arranged on the straight beam lateral wall above the underbeam, it is characterised in that：Also include a pulling machine
Structure, the shift mechanism is arranged at the front side of the underbeam, and the shift mechanism is installed on the front side of the straight beam,
The shift mechanism includes lifting rod, steel pipe and lifting arm, and the steel pipe is set parallel to the underbeam, the lifting rod
Set parallel to the straight beam, the lifting rod middle part is installed on the straight beam front side wall through an installing plate；
The lifting arm includes the first lifting arm and the second lifting arm, and the two ends of the steel pipe lift arm with first, second respectively
Outer end be fixedly linked；The lifting rod is set perpendicular to the steel pipe and lifting arm, the outer middle side part of the first lifting arm
A bearing pin is provided with, the connecting plate of bottom one and the bearing pin of the lifting rod are rotatedly connected；It is provided with the top of the lifting rod
One steel wire rope connector, the steel wire rope connector is arranged at the front side of the lifting rod, and the steel wire rope connector is set
In the top of the steel pipe；One end of the steel pipe is connected with the front end of the described first lifting arm, after the first lifting arm
End is additionally provided with a safety tongs raising plate, and the bottom of the safety tongs raising plate is connected with the rear end thereof of the described first lifting arm,
The top of the safety tongs raising plate is connected with the safety tongs.
2. home lift safety guard according to claim 1, it is characterised in that：The underbeam and the steel pipe it
Between be provided with a connecting shaft, the two ends of the middle inside of the first, second lifting arm respectively with the connecting shaft are rotatedly connected.
3. home lift safety guard according to claim 1, it is characterised in that：The sidepiece of the installing plate is fixed
It is installed on the front side wall of the straight beam.
4. home lift safety guard according to claim 3, it is characterised in that：The middle part and bottom of the lifting rod
Portion is spirally connected is provided with multiple nuts respectively, including the first nut, the second nut and the 3rd nut, second nut and the 3rd nut
It is respectively arranged at the connecting plate over and under, and the bottom surface of second nut is butted on the top surface of the connecting plate,
The top surface of the 3rd nut is butted on the bottom surface of the connecting plate；First nut is arranged at the top of the installing plate,
And the bottom surface of first nut is butted on the top surface of the installing plate.
5. home lift safety guard according to claim 4, it is characterised in that：Also it is arranged with the lifting rod
One spring, is butted on the bottom surface of the installing plate at the top of the spring, and the bottom of the spring is butted on second nut
On top surface.
6. home lift safety guard according to claim 1, it is characterised in that：One is additionally provided with the steel pipe to open
Axle sleeve is closed, the bottom cylindrical face of the switch axle sleeve is provided with a breach.
7. home lift safety guard according to claim 6, it is characterised in that：The switch axle sleeve lower section is provided with
One safety switch, the contact pilotage at the top of the safety switch is butted in the breach of the switch axle sleeve.
8. home lift safety guard according to claim 1, it is characterised in that：Set in the steel wire rope connector
There are upper rope sheave and lower rope sheave, the upper rope sheave is arranged at the surface of the lower rope sheave.
9. home lift safety guard according to claim 8, it is characterised in that：The upper rope sheave and limiter of speed steel
Cord is connected, and the lower rope sheave is connected with clamp rope, and the speed limiter wire rope is arranged at the top of the upper rope sheave, described
Clamp rope is arranged at the lower section of the lower rope sheave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710189107.9A CN106744136B (en) | 2017-03-27 | 2017-03-27 | Safety protection device for household elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710189107.9A CN106744136B (en) | 2017-03-27 | 2017-03-27 | Safety protection device for household elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106744136A true CN106744136A (en) | 2017-05-31 |
| CN106744136B CN106744136B (en) | 2022-05-10 |
Family
ID=58966761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710189107.9A Active CN106744136B (en) | 2017-03-27 | 2017-03-27 | Safety protection device for household elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106744136B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0812796A1 (en) * | 1996-06-11 | 1997-12-17 | Mitsubishi Denki Kabushiki Kaisha | Safety apparatus for 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 |
| CN202245598U (en) * | 2011-07-14 | 2012-05-30 | 广东联合通用电梯有限公司 | Two-way lifting device for elevator safety tongs |
| JP2014084194A (en) * | 2012-10-23 | 2014-05-12 | Hitachi Ltd | Emergency stop device for elevator |
| CN203865760U (en) * | 2014-03-21 | 2014-10-08 | 苏州歌拉瑞电梯有限公司 | Safety gear lifting mechanism |
| CN204038806U (en) * | 2013-11-20 | 2014-12-24 | 重庆迈高电梯有限公司 | Inhead type safety tongs device |
| CN104229587A (en) * | 2014-09-12 | 2014-12-24 | 江苏创力电梯部件有限公司 | Safety gear with easy control of synchronism |
| CN205294539U (en) * | 2015-12-22 | 2016-06-08 | 江苏菱智电梯制造有限公司 | Pulling mechanism |
| CN205472141U (en) * | 2016-01-11 | 2016-08-17 | 上海威茨堡电梯有限公司 | Integrated device at bottom of sedan -chair |
| CN206590709U (en) * | 2017-03-27 | 2017-10-27 | 通用电梯股份有限公司 | A kind of home lift safety guard |
-
2017
- 2017-03-27 CN CN201710189107.9A patent/CN106744136B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0812796A1 (en) * | 1996-06-11 | 1997-12-17 | Mitsubishi Denki Kabushiki Kaisha | Safety apparatus for 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 |
| CN202245598U (en) * | 2011-07-14 | 2012-05-30 | 广东联合通用电梯有限公司 | Two-way lifting device for elevator safety tongs |
| JP2014084194A (en) * | 2012-10-23 | 2014-05-12 | Hitachi Ltd | Emergency stop device for elevator |
| CN204038806U (en) * | 2013-11-20 | 2014-12-24 | 重庆迈高电梯有限公司 | Inhead type safety tongs device |
| CN203865760U (en) * | 2014-03-21 | 2014-10-08 | 苏州歌拉瑞电梯有限公司 | Safety gear lifting mechanism |
| CN104229587A (en) * | 2014-09-12 | 2014-12-24 | 江苏创力电梯部件有限公司 | Safety gear with easy control of synchronism |
| CN205294539U (en) * | 2015-12-22 | 2016-06-08 | 江苏菱智电梯制造有限公司 | Pulling mechanism |
| CN205472141U (en) * | 2016-01-11 | 2016-08-17 | 上海威茨堡电梯有限公司 | Integrated device at bottom of sedan -chair |
| CN206590709U (en) * | 2017-03-27 | 2017-10-27 | 通用电梯股份有限公司 | A kind of home lift safety guard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106744136B (en) | 2022-05-10 |
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