CN107902520A - A kind of vertical lift elevator - Google Patents
A kind of vertical lift elevator Download PDFInfo
- Publication number
- CN107902520A CN107902520A CN201711370662.8A CN201711370662A CN107902520A CN 107902520 A CN107902520 A CN 107902520A CN 201711370662 A CN201711370662 A CN 201711370662A CN 107902520 A CN107902520 A CN 107902520A
- Authority
- CN
- China
- Prior art keywords
- locking plate
- babinet
- locking
- electromagnet
- hole
- 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.)
- Granted
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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
- B66B5/16—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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention discloses a kind of vertical lift elevator, include guide rod, can be in the babinet moved up and down along guide rod, the side wall of babinet is equipped with anti-falling structure, anti-falling structure includes the first locking plate, the second locking plate, connecting rod, second locking plate is parallel to the first locking plate, second locking plate is located at below the first locking plate, and one end and the wall box of the second locking plate are hinged；The both ends of connecting rod are respectively articulated with the first locking plate, the second locking plate；First locking plate is equipped with the first electromagnet, and the second locking plate is equipped with the second electromagnet, and the second electromagnet is located at immediately below the first electromagnet；First locking plate and the second locking plate are equipped with locking hole；Guide rod extends vertically through locking hole；Locking hole is strip, and guide rod is located at the one end of locking hole away from babinet.Elevator has further included speed sensor, control cabinet, and the first electromagnet, the second electromagnet, speed sensor are electrically connected with control cabinet.Compared with prior art, the present invention has preferable fall arrest effect.
Description
Technical field
The present invention relates to lift facility field, more particularly to a kind of vertical lift elevator.
Background technology
The usage time of elevator is grown, and the meeting aging of its connection structure, has very big security risk, therefore, it is necessary to regular
Checked and replace equipment part.But in some emergencies, such as the accident such as earthquake, fire, even if elevator
Parts defect is not present, can also be easy to that falling accident occurs, the fall arrest effect of current elevator has much room for improvement.
The content of the invention
The present invention is the existing technological deficiency of solution, there is provided a kind of vertical lift elevator, it is with preferable fall arrest
Effect.Its specific technical solution is as follows：
The present invention a kind of vertical lift elevator is disclosed, include be fixed on building body guide rod, for payload
Babinet, the top of babinet is connected with carrying cable, and the side wall of babinet is equipped with guide lug, anti-falling structure, and guide lug is equipped with
Pilot hole, pilot hole coordinate with guide rod, and anti-falling structure includes the first locking plate, the second locking plate, connecting rod, the first locking plate vertical guide stem
Length direction, parallel to the first locking plate, the second locking plate is located at below the first locking plate the second locking plate, one end of the second locking plate and babinet
It is side walls hinged；The both ends of connecting rod are respectively articulated with the one end of the first locking plate away from babinet, the one end of the second locking plate away from babinet；First
The downside of locking plate is equipped with the first electromagnet, and the first electromagnet is located at one end that the first locking plate closes on babinet, the second locking plate it is upper
Side is equipped with the second electromagnet, and the second electromagnet is located at one end that the second locking plate closes on babinet, and the second electromagnet is positioned at the first electricity
Immediately below magnet；First locking plate and the second locking plate are equipped with locking hole, the locking of the locking hole and the second locking plate of first locking plate
Hole shape size is identical, and the locking hole of the first locking plate is located at the underface of the locking hole of the second locking plate；Guide rod extends vertically through locking
Hole；Locking hole is strip, and the length direction of locking hole is perpendicularly oriented to babinet, and guide rod is located at the one end of locking hole away from babinet.
Elevator further includes the speed sensor for being useful for sensing babinet translational speed, and speed sensor is arranged on babinet.Elevator further includes
There is control cabinet, control cabinet is arranged on babinet, and the first electromagnet, the second electromagnet, speed sensor are electrically connected with control cabinet.
Further, the side wall of babinet is toward sunken inside, formation groove, and groove is interior to be equipped with the column being vertically arranged, column
Both ends are fixedly connected with the side wall of groove, and column is equipped with movable block, and the second locking plate closes on one end of babinet and movable block is cut with scissors
Connect, movable block is equipped with hole position, and column is slidably matched with hole position, and spring is equipped between the upper side wall and groove inner wall of movable block.
Further, damper is equipped with the hinge joint of the second locking plate and movable block.
Further, the both ends of connecting rod are equipped with the first limited block, and the first limited block is located at the side that connecting rod closes on babinet,
The lower wall for closing the first lock sheet is supported positioned at the upper side wall of the first limited block of small end, first positioned at connecting rod lower end is spacing
Block supports the upper side wall for closing the second lock sheet；The upper side for closing the second electromagnet is supported in the downside of first electromagnet.
Further, the section of guide rod is square, and locking hole is rectangle.
Further, the two side of guide rod along locking hole length direction is equipped with convex grain.
Further, carrying cable is equipped with the dynamics inductor for the tension variations for being used to sense carrying cable, dynamics sense
Device is answered to be electrically connected with control cabinet.
Beneficial effects of the present invention：For the present invention in normal course of operation, the first locking plate and the second locking plate are horizontality,
The two side of the width of locking hole is not contacted with the side wall of guide rod, the two side of the length direction of locking hole also not with guide rod
Contact；When fall event occurs, speed sensor senses that the velocity variations of babinet are abnormal, then the first electricity of control cabinet control
Magnet and the second electromagnet, it is repulsion state to make both, and then promotes the first locking plate and the second locking plate respectively around the hinge of itself
Contact rotates, and the first locking plate and the second locking plate are changed into heeling condition, the two side of the length direction of locking hole and the side wall of guide rod
Contact, so that the first locking plate and the second locking plate cannot be slided freely along guide rod, forms locking state, and the case of elevator
Body is bigger to the lower surging of the second locking plate, and the effect of its locking hole locking is better, so as to play good locking effect.
Brief description of the drawings
Overall structure diagram when Fig. 1 is normal operation of the embodiment of the present invention；
Fig. 2 is overall structure diagram when fall event occurs for the embodiment of the present invention；
Fig. 3 is the vertical view face structure diagram of the anti-falling structure of the embodiment of the present invention；
Fig. 4 is the side structure schematic diagram of the anti-falling structure of the embodiment of the present invention.
Marked in figure：Babinet 100, carrying cable 101, control cabinet 102, guide lug 103, dynamics inductor 104, speed
Inductor 105, anti-falling structure 200, the first lock sheet 201, the second lock sheet 202, connecting rod 203, the first limited block 204, first
Electromagnet 205, the second electromagnet 206, spring 207, groove 208, column 209, movable block 210, guide rod 300, locking hole 400.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The present invention is described in further detail below by embodiment combination attached drawing.Refer to attached drawing.
The present invention discloses a kind of vertical lift elevator, as shown in Figures 1 and 2, includes and is fixed on leading on building body
Bar 300, the babinet 100 for payload, the top of babinet 100 are connected with carrying cable 101, and the side wall of babinet 100 is equipped with
Guide lug 103, anti-falling structure 200, guide lug 103 are equipped with pilot hole, and pilot hole coordinates with guide rod 300, during normal work,
Tractive force is provided by carrying cable 101, babinet 100 is moved to and is moved up along guide rod 300.Anti-falling structure 200 can set it is multiple, prevent
Length direction spaced set of the structure 200 along babinet 100 is fallen, this can increase anti-fall effect.Anti-falling structure 200 includes first
Locking plate, the second locking plate, connecting rod 203.As Figure 1-Figure 4, the first locking plate is platy structure, and the first locking plate is horizontally disposed with, its plate
The length direction of face vertical guide stem 300, the second locking plate are also platy structure, the width phase of the width of the second locking plate and the first locking plate
Together, the second locking plate is parallel to the first locking plate, and the second locking plate is located at immediately below the first locking plate, and the length of the second locking plate is than the first locking plate
Length to grow about 10cm, the outer end of the second locking plate is flushed with the outer end of the first locking plate, the second locking plate it is inner to babinet 100
Direction extends, and side walls hinged with babinet 100.The both ends of connecting rod 203 are respectively articulated with one of the first locking plate away from babinet 100
End, the one end of the second locking plate away from babinet 100, it is preferable that connecting rod 203 is provided with two, and two connecting rods 203 are symmetrically arranged at
The both sides of first locking plate and the second locking plate, rotate it and more stablize.The downside of first locking plate is fixed with the first electromagnet
205, the first electromagnet 205 is located at one end that the first locking plate closes on babinet 100, and the upper side of the second locking plate is fixed with the second electricity
Magnet 206, the second electromagnet 206 are located at one end that the second locking plate closes on babinet 100, and the second electromagnet 206 is located at the first electromagnetism
Immediately below iron 205, the shape size of the second electromagnet 206 is identical with the shape size of the first electromagnet 205, is cylindric.
First locking plate and the second locking plate are equipped with locking hole 400, the locking hole 400 of 400 and second locking plate of locking hole of first locking plate
Shape size is identical, and the locking hole 400 of the first locking plate is located at the underface of the locking hole 400 of the second locking plate, the lock of the first locking plate
Tieholen 400 is identical with the projection of 400 in the vertical direction of locking hole of the second locking plate and overlaps.Guide rod 300 extends vertically through
Locking hole 400, locking hole 400 are strip, i.e., its length is more than its width.The length direction of locking hole 400 is perpendicularly oriented to case
Body 100, guide rod 300 are located at the one end of locking hole 400 away from babinet 100, it is preferable that the size of locking hole 400 is according to guide rod 300
Size determine that guide rod 300 is 1cm- along the distance between side wall of side wall and the locking hole 400 of 400 width of locking hole
1.5cm, side wall of the guide rod 300 away from babinet 100 and the distance of the side wall of locking hole 400 are 4cm-8cm, and guide rod 300 closes on case
The distance between the side wall of body 100 and the side wall of locking hole 400 are 8cm-16cm, this is conducive to the first locking plate and the second locking plate exists
Run-off the straight on 400 length direction of locking hole.Elevator further includes the speed sensor for being useful for sensing 100 translational speed of babinet
105, speed sensor 105 is arranged on babinet 100, is preferably located on the side wall opposite with guide rod 300 of babinet 100.Elevator also wraps
Control cabinet 102 is included, control cabinet 102 is arranged on the side wall of babinet 100, is preferably provided with the lateral wall of babinet 100, prevents people from existing
When taking elevator, control cabinet 102 is encountered by mistake.First electromagnet 205, the second electromagnet 206, speed sensor 105 with control
Case 102 is electrically connected.The present invention is in normal course of operation, as shown in Figure 1, the first locking plate and the second locking plate are horizontality, lock
The two side of the width of tieholen 400 is not contacted with the side wall of guide rod 300, the two side of the length direction of locking hole 400
Do not contacted with guide rod 300.When fall event occurs, as shown in Fig. 2, speed sensor 105 senses that the speed of babinet 100 becomes
Change exception, then control cabinet 102 controls the first electromagnet 205 and the second electromagnet 206, and it is repulsion state to make both, and then is pushed away
Dynamic first locking plate and the second locking plate are rotated respectively around the hinge joint of itself, and the first locking plate and the second locking plate become by horizontality
For heeling condition, until side wall of the two side with guide rod 300 of the length direction of locking hole 400 contacts, babinet 100 at this time
Gravity increases the slope trend of the second locking plate in one end of the second locking plate, while under the action of connecting rod 203, the
The slope trend of one locking plate also increases, therefore the two side on the length direction of locking hole 400 is to the pressure of the side wall of guide rod 300
Increase, its frictional force also increases, therefore can slow down 100 falling speed of babinet significantly or directly babinet 100 is stuck in and lead
On bar 300, babinet 100 is prevented to drop.When fall event occurs, it is swift in response the present invention, in the initial generation fallen,
Anti-fall effect just can be played, plays good anti-fall effect.The babinet 100 of elevator is bigger to the lower surging of the second locking plate,
The effect of its locking hole 400 locking is better.
Further, as shown in Figure 1-Figure 3, the side wall of babinet 100 toward sunken inside, form groove 208, set in groove 208
There is the column 209 being vertically arranged, the length direction of column 209 is parallel with the length direction of guide rod 300, and the both ends of column 209 are equal
It is fixedly connected with the side wall of groove 208, column 209 is equipped with movable block 210.Second locking plate closes on one end and the shifting of babinet 100
Motion block 210 is hinged, and when fall event occurs, the second lock sheet 202 can be rotated around hinge joint, and then be changed into heeling condition.
Movable block 210 is equipped with hole position, and column 209 is slidably matched with hole position, is set between 208 inner wall of upper side wall and groove of movable block 210
There is spring 207, this can play the role of buffering, and babinet 100 is changed into flexible punching to the rigid impulse force of the second lock sheet 202
Power, and then 202 received moment impulse force of the second lock sheet is reduced, the impaired probability of the second lock sheet 202 can be reduced, in addition
Being avoided that makes babinet 100 be subject to rigid impulse force, substantially reduces the injury that people are subject in babinet 100.
Further, the second locking plate at the hinge joint of movable block 210 with being equipped with damper (not marked in figure), in babinet
During 100 normal operations, the resistance of damper can make the second locking plate keep substantially horizontal attitude, prevent the second locking plate from inclining
Tiltedly so as to so that locking state, influence elevator normal operation.
Further, as shown in Figures 1 and 2, the both ends of connecting rod 203 are equipped with the first limited block 204, the first limited block
204 close on the side of babinet 100 positioned at connecting rod 203, are supported positioned at the upper side wall of the first limited block 204 of 203 upper end of connecting rod and close the
The lower wall of one lock sheet 201, the first limited block 204 positioned at 203 lower end of connecting rod support the upper side wall for closing the second lock sheet 202；
The upper side for closing the second electromagnet 206 is supported in the downside of first electromagnet 205.In 100 normal operation of babinet, the first limited block
204 can prevent the first lock sheet 201 from down tilting, and make 202 keeping parallelism state of the first lock sheet 201 and the second lock sheet,
The side wall of locking hole 400 is avoided to be contacted with 300 side wall of guide rod.
Further, as shown in figure 3, the section of guide rod 300 is square, locking hole 400 is rectangle, is being fallen
During event, guide rod 300 and the locking effect of locking hole 400 are more preferable.
Further, the two side of guide rod 300 along 400 length direction of locking hole is equipped with convex grain (not marked in figure), this
The friction coefficient of the side wall of guide rod 300 can be increased, the locking effect of the first lock sheet 201 and the second lock sheet 202 is improved, carry
High anti-fall effect.Preferably, the protrusion of cube shape can be set in guide rod 300 along the two side of 400 length direction of locking hole, into
And make the first lock sheet 201 and 202 moment of the second lock sheet stuck on guide rod 300.
Further, as shown in Figures 1 and 2, carrying cable 101 is equipped with the pulling force for being used to sense carrying cable 101 and becomes
The dynamics inductor of change, dynamics inductor are electrically connected with control cabinet 102.When occurring due to fall event, it is initially embodied in and leads
On the pulling force for drawing wirerope 101, therefore dynamics inductor is set on carrying cable 101, can be very good to measure carrying cable
101 dynamics change, and then signal is fed back to control cabinet 102, control cabinet 102 controls the first magnet and the work of the second magnet,
And then anti-falling structure 200 is entered locking state, babinet 100 is held before the tenesmus of babinet 100 accelerates, is carried significantly
Rise anti-fall effect.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert this hair
Bright specific implementation is confined to these explanations.For general technical staff of the technical field of the invention, do not taking off
On the premise of from present inventive concept, some simple deduction or replace can also be made.
Claims (7)
1. a kind of vertical lift elevator, includes guide rod (300), the babinet for payload being fixed on building body
(100), the top of the babinet (100) is connected with carrying cable (101), and the side wall of the babinet (100) is equipped with guide lug
(103), anti-falling structure (200), the guide lug (103) are equipped with pilot hole, and the pilot hole is matched somebody with somebody with the guide rod (300)
Close, the anti-falling structure (200) includes the first locking plate, the second locking plate, connecting rod (203), the vertical guide rod of first locking plate
(300) length direction, second locking plate are located under first locking plate parallel to first locking plate, second locking plate
Side, one end of second locking plate and the babinet (100) are side walls hinged；The both ends of the connecting rod (203) are respectively articulated with described
The one end of first locking plate away from the babinet (100), the described one end of second locking plate away from the babinet (100)；Described first
The downside of locking plate is equipped with the first electromagnet (205), and first electromagnet (205) is located at first locking plate and closes on the case
One end of body (100), the upper side of second locking plate are equipped with the second electromagnet (206), and second electromagnet (206) is located at
Second locking plate closes on one end of the babinet (100), and second electromagnet (206) is located at first electromagnet
(205) immediately below；First locking plate and second locking plate are equipped with locking hole (400), the locking of first locking plate
Hole (400) is identical with locking hole (400) shape size of second locking plate, and the locking hole (400) of first locking plate is located at
The underface of the locking hole (400) of second locking plate；The guide rod (300) extends vertically through the locking hole (400)；The lock
Tieholen (400) is strip, and the length direction of the locking hole (400) is perpendicularly oriented to the babinet (100), the guide rod
(300) positioned at the one end of the locking hole (400) away from the babinet (100)；
Further include the speed sensor (105) for being useful for sensing the babinet (100) translational speed, the speed sensor
(105) it is arranged on the babinet (100)；
Control cabinet (102) is further included, the control cabinet (102) is arranged on the babinet (100), first electromagnet
(205), second electromagnet (206), the speed sensor (105) are electrically connected with the control cabinet (102).
2. elevator as claimed in claim 1, it is characterised in that the side wall of the babinet (100) toward sunken inside, formed groove
(208), be equipped with the column (209) being vertically arranged in the groove (208), the both ends of the column (209) with the groove
(208) side wall is fixedly connected, and the column (209) is equipped with movable block (210), and second locking plate closes on the babinet
(100) one end is hinged with the movable block (210), and the movable block (210) is equipped with hole position, the column (209) with it is described
Hole position is slidably matched, and spring (207) is equipped between the upper side wall and the groove (208) inner wall of the movable block (210).
3. elevator as claimed in claim 2, it is characterised in that the hinge joint of second locking plate and the movable block (210)
Place is equipped with damper.
4. elevator as claimed in claim 1, it is characterised in that the both ends of the connecting rod (203) are equipped with the first limited block
(204), first limited block (204) is located at the side that the connecting rod (203) closes on the babinet (100), positioned at the company
The upper side wall of first limited block (204) of bar (203) upper end supports the lower wall for closing first lock sheet (201), positioned at described
First limited block (204) of connecting rod (203) lower end supports the upper side wall for closing second lock sheet (202)；First electromagnet
(205) upper side for closing second electromagnet (206) is supported in downside.
5. elevator as claimed in claim 1, it is characterised in that the section of the guide rod (300) is square, the locking hole
(400) it is rectangle.
6. elevator as claimed in claim 1, it is characterised in that the guide rod (300) is along the locking hole (400) length direction
Two side be equipped with convex grain.
7. elevator as claimed in claim 1, it is characterised in that the carrying cable (101), which is equipped with, to be used to sense described lead
Draw the dynamics inductor (104) of the tension variations of wirerope (101), the dynamics inductor (104) and the control cabinet (102) electricity
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370662.8A CN107902520B (en) | 2017-12-19 | 2017-12-19 | Vertical lift elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370662.8A CN107902520B (en) | 2017-12-19 | 2017-12-19 | Vertical lift elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107902520A true CN107902520A (en) | 2018-04-13 |
| CN107902520B CN107902520B (en) | 2023-04-28 |
Family
ID=61870353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711370662.8A Active CN107902520B (en) | 2017-12-19 | 2017-12-19 | Vertical lift elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107902520B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341321A (en) * | 2018-04-26 | 2018-07-31 | 西南石油大学 | It is a kind of with gyroscope without guide rail electromagnetic type elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004091059A (en) * | 2002-08-29 | 2004-03-25 | Mitsubishi Electric Corp | Elevator device |
| CN102431865A (en) * | 2011-09-30 | 2012-05-02 | 北京联合大学 | Fall prevention mechanism of elevator and elevator equipped with same |
| CN203143865U (en) * | 2013-04-07 | 2013-08-21 | 上海微频莱机电科技有限公司 | Elevator safety gear triggered by electromagnetic force |
| CN204434019U (en) * | 2015-01-22 | 2015-07-01 | 张召古 | A kind of anti-falling safe elevator |
| CN106395546A (en) * | 2016-11-29 | 2017-02-15 | 北京联合大学 | Safe anti-falling device |
| CN106946116A (en) * | 2017-05-24 | 2017-07-14 | 住友富士电梯有限公司 | A kind of elevator with bidirectional speed limiter |
| CN207774534U (en) * | 2017-12-19 | 2018-08-28 | 江西亿康云谷自动化设备有限公司 | A kind of vertical lift elevator |
-
2017
- 2017-12-19 CN CN201711370662.8A patent/CN107902520B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004091059A (en) * | 2002-08-29 | 2004-03-25 | Mitsubishi Electric Corp | Elevator device |
| CN102431865A (en) * | 2011-09-30 | 2012-05-02 | 北京联合大学 | Fall prevention mechanism of elevator and elevator equipped with same |
| CN203143865U (en) * | 2013-04-07 | 2013-08-21 | 上海微频莱机电科技有限公司 | Elevator safety gear triggered by electromagnetic force |
| CN204434019U (en) * | 2015-01-22 | 2015-07-01 | 张召古 | A kind of anti-falling safe elevator |
| CN106395546A (en) * | 2016-11-29 | 2017-02-15 | 北京联合大学 | Safe anti-falling device |
| CN106946116A (en) * | 2017-05-24 | 2017-07-14 | 住友富士电梯有限公司 | A kind of elevator with bidirectional speed limiter |
| CN207774534U (en) * | 2017-12-19 | 2018-08-28 | 江西亿康云谷自动化设备有限公司 | A kind of vertical lift elevator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341321A (en) * | 2018-04-26 | 2018-07-31 | 西南石油大学 | It is a kind of with gyroscope without guide rail electromagnetic type elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107902520B (en) | 2023-04-28 |
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