CN207698958U - A kind of elevator drop preventer - Google Patents
A kind of elevator drop preventer Download PDFInfo
- Publication number
- CN207698958U CN207698958U CN201721673883.8U CN201721673883U CN207698958U CN 207698958 U CN207698958 U CN 207698958U CN 201721673883 U CN201721673883 U CN 201721673883U CN 207698958 U CN207698958 U CN 207698958U
- Authority
- CN
- China
- Prior art keywords
- elevator
- plug
- spring
- connect
- control piece
- 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
Links
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
The utility model is related to a kind of elevator drop preventers.Elevator drop preventer includes actuator and protector.Actuator includes spring electromagnet, controls the control piece of spring electromagnet on/off electricity, and control piece is electrically connected with spring electromagnet；Spring electromagnet is connect with elevator.Protector includes two plug-in units and the plug connector that is vertically arranged, and two plug-in units coordinate with plug connector；The both ends of spring electromagnet are connect with two plug-in units respectively；When elevator is in normal operating condition, control piece controls spring electromagnet and is powered, and spring electromagnet is shunk, and plug-in unit is detached with plug connector；When elevator is in fall condition, control piece controls the power-off of spring electromagnet, and spring electromagnet resets, and plug-in unit is mating with plug connector.Elevator drop preventer high degree of automation, the on/off electric energy of spring electromagnet is controlled by control piece enough makes control piece make quick reaction, and fall arrest effect is good, and security performance is high.
Description
Technical field
The utility model is related to elevator falling prevention device technical fields, and in particular to a kind of elevator drop preventer.
Background technology
With China's expanding economy, the step of Process of Urbanization Construction is more and more nervous, and skyscraper is also more and more, traffic
System is even more to be faced with acid test, and therefore, elevator is indispensable as a kind of vehicles of skyscraper.Though
Right elevator has many good qualities, and has also brought many conveniences.But in recent years, due to universal, the elevator peace of elevator
Full accident is also more and more.Main cause is during elevator is vertically moved up or down, and most of elevator all lacks safeguard protection dress
It sets or the reaction of the safety guard of elevator is slow, fall arrest is ineffective.
Utility model content
The utility model aim is the provision of a kind of elevator drop preventer, it is intended to improve device for preventing elevator from falling reaction
Slowly, the ineffective problem of fall arrest.
The utility model is realized in this way：
A kind of elevator drop preventer, including：Actuator, actuator include spring electromagnet, control spring electromagnetism Tie Tong/
The control piece of power-off, control piece are electrically connected with spring electromagnet；Spring electromagnet is connect with elevator；
Protector, protector include two plug-in units and the plug connector that is vertically arranged, and two plug-in units coordinate with plug connector；Bullet
The both ends of spring electromagnet are connect with two plug-in units respectively；
When elevator is in normal operating condition, control piece control spring electromagnet be powered, spring electromagnet shrink, plug-in unit with
Plug connector detaches；When elevator is in fall condition, control piece control spring electromagnet power-off, spring electromagnet reset, plug-in unit with
Plug connector is mating.
Further, in the utility model preferred embodiment, control piece includes the first control piece, the first control piece packet
Include snap switch, supporting, first body of rod and second body of rod, supporting includes through-hole, and first body of rod passes through through-hole and with second
The body of rod connects；First body of rod is connect with elevator hoist steel cable, and one end of snap switch is connect with supporting, snap switch it is another
End is abutted with second body of rod；Supporting is that the roof of elevator or supporting are connect with elevator.
Further, in the utility model preferred embodiment, the edge of supporting and the roof of elevator connect.
Further, in the utility model preferred embodiment, elevator drop preventer further includes guide holder, guide holder
It is connect with elevator, guide holder is equipped with pilot hole, and plug-in unit is movably arranged at pilot hole.
Further, in the utility model preferred embodiment, plug connector is the rack of embedded hoistway wall.
Further, in the utility model preferred embodiment, control piece includes the second control piece, the second control piece packet
It includes frictional force rail, detection wheel, brake member and the circuit switching for controlling spring electromagnet, frictional force rail and is set to hoistway wall vertically
Space, detection wheel are connect with elevator, and the both ends for detecting wheel coordinate with frictional force rail, brake member respectively, detection wheel and circuit switching
It is connected by bracing wire.
Further, in the utility model preferred embodiment, brake member includes screw rod, contact, adjustment spring, rotation
Nut, screw rod sequentially pass through rotating nuts, adjustment spring, contact, and the both ends of adjustment spring are supported with contact, rotating nuts respectively
It connects, contact is abutted with detection wheel.
Further, in the utility model preferred embodiment, brake member further includes the first fixed seat, the first fixed seat
It is connect with screw rod.
Further, in the utility model preferred embodiment, the second control piece further includes the second fixed seat, and second is solid
Reservation one end is connect with elevator, the other end and the detection wheel connection of the second fixed seat.
A kind of advantageous effect of elevator drop preventer provided by the utility model is：Elevator drop preventer includes driving
Part and protector.Actuator includes spring electromagnet, controls the control piece of spring electromagnet on/off electricity, control piece and spring electricity
Magnet is electrically connected；Spring electromagnet is connect with elevator.Protector includes two plug-in units and the plug connector that is vertically arranged, and two are inserted
Part coordinates with plug connector；The both ends of spring electromagnet are connect with two plug-in units respectively.When elevator is in normal operating condition, control
Part controls spring electromagnet and is powered, and spring electromagnet is shunk, and plug-in unit is detached with plug connector；When elevator is in fall condition, control
Part controls the power-off of spring electromagnet, and spring electromagnet resets, and plug-in unit is mating with plug connector.Elevator drop preventer automates
Degree is high, the power on/off of spring electromagnet is controlled by control piece, control piece can be made to make quick reaction, fall arrest effect
Good, security performance is high.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram for the elevator drop preventer that the utility model embodiment provides；
Fig. 2 is the schematic diagram of the second control piece in the elevator drop preventer that the utility model embodiment provides.
Icon：10- elevators；The 20- boreholes wall；The first control pieces of 100-；111- spring electromagnet；112- snap switches；121-
Plug-in unit；122- plug connectors；First bodies of rod of 131-；Second bodies of rod of 132-；133- supportings；134- through-holes；140- guide holders；200-
Second control piece；210- frictional force rails；220- detection wheels；230- brake members；231- screw rods；232- contacts；233- adjustment springs；
234- rotating nuts；The first fixed seats of 236-；240- circuit switchings；250- bracing wires；The second fixed seats of 260-.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term "upper", "lower"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified equipment or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitations of the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, the terms such as term " connection ", " fixation " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or integral；Can be mechanical connection, it can also
It is electrical connection；Can be directly connected, can also indirectly connected through an intermediary, can be connection inside two elements or
The interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
Embodiment 1
It please refers to Fig.1 and Fig. 2, present embodiments provides a kind of elevator drop preventer.
As shown in Figure 1, elevator drop preventer includes actuator and protector.
Actuator includes the control piece of spring electromagnet 111,111 on/off electricity of control spring electromagnet, control piece and spring
Electromagnet 111 is electrically connected.It should be noted that in the present embodiment, spring electromagnet 111 is to utilize bullet made of conductive material
Spring, is powered in spring electromagnet 111, ring current is equivalent to per circle spring, and its current direction is identical, due to same direction current phase
Mutually attract, all attracts each other with adjacent springs per circle spring, then spring can be shunk, and both ends are by interior suction.Or spring electromagnetism
Iron 111 is the spring with electromagnet, and electromagnet is arranged at the middle part of spring.It or in actual production, can be in spring
Centre installation electromagnet.Or one shell of setting, inside the shell by spring installation, and the interposition in the inside of shell installs
Set electromagnet.In the present embodiment, spring electromagnet 111 is connect with elevator 10.
Protector includes two plug-in units 121 and the plug connector 122 that is vertically arranged.Two plug-in units 121 are matched with plug connector 122
It closes.The quantity of plug connector 122 is also 2, and is located at the both sides of elevator 10.Plug-in unit 121 is corresponded with plug connector 122.
In the present embodiment, two plug-in units 121 are transversely arranged.That is, plug-in unit 121 is inserted into plug connector 122, one is formed surely
Fixed state.
The both ends of spring electromagnet 111 are connect with two plug-in units 121 respectively.It is to be understood that spring electromagnet 111 is logical
Under electricity condition, both ends are in compressive state by interior suction；In the power-off state, interior suction state is released, you can push and be located at spring electricity
The plug-in unit 121 at 111 both ends of magnet is inserted into corresponding plug connector 122, at this time can be fixed the elevator 10 of whereabouts, be prevented electricity
Ladder 10 continues toward whereabouts, starts protector by electric power, rapid reaction, and fall arrest effect is good.
In the present embodiment, the shape of plug connector 122 is unlimited, for example, can be vertical in 20 upper edge of the borehole wall for installing elevator 10
Multiple grooves are arranged in direction.Preferably, it is easily installed and constructs, plug connector 122 is the rack for being vertically embedded in the borehole wall 20.
It should be noted that rack is equipped with multiple plug divisions being inserted into for plug-in unit 121.
Control piece includes snap switch 112, supporting 133, first body of rod 131 and second body of rod 132 being connected with each other.
First body of rod 131 and second body of rod 132 are mutually connected vertically in the present embodiment.Wherein, first body of rod 131 and elevator hoist steel cable
Connection, in order to which detecting elevator 10 falls.Supporting 133 includes through-hole 134, and first body of rod 131 passes through through-hole 134.Spring is opened
One end of pass 112 is connect with supporting 133, and the other end of snap switch 112 is abutted with second body of rod 132.
It should be noted that when second body of rod 132 is abutted with snap switch 112, whole system is in the state being powered.
Wherein snap switch 112 can be that a switch is abutted with an elastic component.One closure of whole system formation when abutting
Circuit, system energization；Release the abutting of elastic component and switch, system cut-off.It should be noted that in the present embodiment, attached drawing
In do not show conducting wire and its circuit of connecting spring electromagnet 111 and snap switch 112, actual production in installation, can be with
It is specifically designed according to the installation environment of elevator 10.
Further, in the present embodiment, supporting 133 is connect with elevator 10.That is, in 10 normal course of operation of elevator
In, first body of rod 131 can be abutted to snap switch 112, and whole system is in energized state at this time, and the two of spring electromagnet 111
End is by interior suction；If after 10 Winding rope of elevator is broken, second body of rod 132 can release the abutting to snap switch 112, at this time
System can power off, and hold above-mentioned, in the power-off state, can release the interior suction state of spring electromagnet 111, can push positioned at spring electricity
The plug-in unit 121 at 111 both ends of magnet is inserted into plug connector 122, at this time can fix the elevator 10 of whereabouts, prevent elevator 10 after
Continue toward whereabouts.Therefore spring electromagnet 111 is controlled to the control of snap switch 112 by supporting 133 and second body of rod 132
Power on/off the first control piece 100 can be made to make quick reaction, fall arrest effect is good.
In the present embodiment, first body of rod 131 and second body of rod, 132 connection type and form are in addition to shape as shown in Figure 1
Shape can also be " L " type.
The relative position relation that supporting 133 is connect with elevator 10 is unlimited, and supporting 133 is mainly 112 He of snap switch
Second body of rod 132 provides the fulcrum abutted.Preferably, the edge of supporting 133 is connect with the roof of elevator 10, is arranged in this way
It is advantageous in that, on the one hand, being capable of 10 Winding rope hoisting elevator of supplemental lift when supporting 133 is connect with 10 roof of elevator
10.On the other hand, when the edge of supporting 133 is connect with 10 roof of elevator, meeting between the middle part and elevator 10 of supporting 133
A part of space is reserved, for installation snap switch 112 and second body of rod 132.
Preferably, supporting 133 is arc-shaped, and the protrusion of arc is far from the roof of elevator 10.Compared in similar " door " shape,
The function of 133 supplemental lift of supporting, 10 Winding rope hoisting elevator 10 can be improved.It should be noted that in the present embodiment
It is not excluded for the mode that supporting 133 is connect with the side wall of elevator 10.
It should be noted that supporting 133 and 10 connection type of elevator are unlimited, it is preferable that supporting 133 can with elevator 10
Dismantling connection is such as threadedly coupled.
Further, spring electromagnet 111 is connect with 10 roof of elevator, at this point, plug-in unit 121 also is located at 10 roof of elevator,
After plug-in unit 121 is inserted into plug division, plug-in unit 121 can obviously bear the weight of elevator 10, and anti-elevator 10 falls better.
Elevator drop preventer further includes guide holder 140, and guide holder 140 is connect with elevator 10, and guide holder 140, which is equipped with, to be oriented to
Hole, plug-in unit 121 are movably set in pilot hole.The structure that pilot hole is arranged in guide holder 140 can be that plug-in unit 121 plays guiding work
With making plug-in unit 121 quickly be inserted into plug connector 122.
As shown in Fig. 2, control piece further includes the second control piece 200.Second control piece 200 includes frictional force rail 210, detection
The circuit switching 240 of wheel 220, brake member 230 and control spring electromagnet 111.
Frictional force rail 210 is set to 10 borehole wall of elevator, 20 space vertically.It should be noted that in the present embodiment, frictional force rail
210 can connect with the borehole wall 20, can not also be connect with the borehole wall 20.
Detection wheel 220 connect with elevator 10, and relative position is unlimited, ensure to detect the both ends for taking turns 220 respectively with frictional force
Rail 210, brake member 230 coordinate.Detection wheel 220 is connect with circuit switching 240 by bracing wire 250.It is to be understood that when electricity
Ladder 10 rapidly drops, and the frictional force between frictional force rail 210 and detection wheel 220 rapidly increases, and so that detection wheel 220 is rotated, and drive
Bracing wire 250 disconnects circuit switching 240, stops powering to spring electromagnet 111, and spring electromagnet 111 starts plug-in unit 121 and controls electricity
Ladder 10 drops.
It should be noted that in installation process, need that 220 one end of detection wheel is made to contact with frictional force rail 210, detection wheel
220 other ends are contacted with brake member 230, but to keep elevator 10 in normal course of operation, and detection wheel 220 is relative to friction
Power rail 210 does not rotate, that is, brake member 230 can be utilized to 220 default certain pressure of detection wheel, only when elevator 10 is anxious
When speed tenesmus, it is more than between detection wheel 220 and brake member 230 that is, taking turns frictional force between 220 and frictional force rail 210 when detection
Stiction when, make 220 relative friction forces rail 210 of detection wheel rotate.
Further, brake member 230 includes screw rod 231, contact 232, adjustment spring 233, rotating nuts 234.Screw rod 231
Sequentially pass through rotating nuts 234, adjustment spring 233 and contact 232, the both ends of adjustment spring 233 respectively with contact 232, rotation
Turn nut 234 abuts.Wherein, contact 232 is abutted with detection wheel 220.The advantages of this arrangement are as follows by adjusting rotating nuts
The extruding of 234 pairs of adjustment springs 233 uses contact 232 and abuts detection wheel 220, quick and easy for installation.
Brake member 230 further includes the first fixed seat 236, and the first fixed seat 236 is connect with screw rod 231.Specifically, first is solid
Reservation 236 is connect with the one end of screw rod 231 far from contact 232.First fixed seat 236 being capable of the steadily work of auxiliary brake part 230
Make.
Second control piece 200 further includes the second fixed seat 260, and one end of the second fixed seat 260 is connect with elevator 10, and second
The other end of fixed seat 260 is connect with detection wheel 220.Wherein, the second fixed seat 260 is mainly connect with the shaft of detection wheel 220,
Being provided with the second fixed seat 260 can not only be such that detection wheel 220 is steadily connected on elevator 10, moreover it is possible to make in a dangerous situation
Detection wheel 220 being capable of normal rotation.
It should be noted that the first control piece 100 and the second control piece 200 can be used simultaneously, individually can also separately make
With.
The operation principle of elevator drop preventer provided in this embodiment is, in 10 normal course of operation of elevator, first
The body of rod 131 is abutted to snap switch 112, and whole system is in energized state, and the both ends of spring electromagnet 111 are by interior suction；Work as electricity
After terraced 10 Winding ropes fracture, second body of rod 132 can release the abutting to snap switch 112, and system can power off at this time, can release
The interior suction state of spring electromagnet 111 can push the plug-in unit 121 positioned at 111 both ends of spring electromagnet to be inserted into plug connector 122
In, the elevator 10 of whereabouts can be fixed at this time, prevent elevator 10 from continuing toward whereabouts.On the other hand, if elevator 10 promotes steel
When the unbroken and elevator 10 of restricting rapidly drops, the frictional force between frictional force rail 210 and detection wheel 220 rapidly increases, and detection is made to take turns
220 rotations, and bracing wire 250 is driven to disconnect circuit switching 240, stop powering to spring electromagnet 111, spring electromagnet 111 opens
Dynamic plug-in unit 121 is inserted into plug connector 122, and control elevator 10 drops.
It should be noted that in elevator drop preventer provided in this embodiment, the power supply of spring electromagnet 111 with
The main electromotor power supply of elevator 10 is that same power supply also results in the confession of spring electromagnet 111 when main electromotor abnormity of power supply
Electrical anomaly is inserted into which release spring starts plug-in unit 121 in plug connector 122, and control elevator 10 drops.
Embodiment 2
(do not refer to place referring to embodiment 1) as different from Example 1, supporting 133 is the roof of elevator 10.
It further, can be in elevator 10 close to the part of roof setting one in order to improve the security performance of elevator 10
A partition board forms an installation cavity between partition board and roof, and snap switch 112 and second body of rod 132 are installed in installation cavity.
To sum up, the elevator drop preventer that the utility model embodiment provides prevents the effect of falling of elevator 10 good, safety
Can be high, and high degree of automation, fast reaction and the first control piece 100 or the second control piece 200 can be started, prevent elevator 10
It falls.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.
Claims (10)
1. a kind of elevator drop preventer, which is characterized in that including：
Actuator, the actuator include the control piece of spring electromagnet, the control spring electromagnet on/off electricity, the control
Product is electrically connected with the spring electromagnet；The spring electromagnet is connect with elevator；
Protector, the protector include two plug-in units and the plug connector that is vertically arranged, two plug-in units and the grafting
Part coordinates；The both ends of the spring electromagnet are connect with described two plug-in units respectively；
When elevator is in normal operating condition, the control piece controls the spring electromagnet and is powered, and the spring electromagnet is received
Contracting, the plug-in unit are detached with the plug connector；When elevator is in fall condition, it is disconnected that the control piece controls the spring electromagnet
Electricity, the spring electromagnet reset, and the plug-in unit and the plug connector are mating.
2. elevator drop preventer according to claim 1, which is characterized in that the control piece includes the first control piece,
First control piece includes snap switch, supporting, first body of rod and second body of rod, and the supporting includes through-hole, described
First body of rod passes through the through-hole and is connect with second body of rod；First body of rod is connect with elevator hoist steel cable, described
One end of snap switch is connect with the supporting, and the other end of the snap switch is abutted with second body of rod；It is described to hold
Fitting is that the roof of the elevator or the supporting are connect with the elevator.
3. elevator drop preventer according to claim 2, which is characterized in that the edge of the supporting and the elevator
Roof connection.
4. elevator drop preventer according to claim 2, which is characterized in that the supporting is arc-shaped, arc it is convex
Roof of the portion far from the elevator.
5. elevator drop preventer according to claim 1, which is characterized in that the elevator drop preventer further includes leading
To seat, the guide holder is connect with the elevator, and the guide holder is equipped with pilot hole, and the plug-in unit is movably arranged at the guiding
Hole.
6. elevator drop preventer according to claim 1, which is characterized in that the plug connector is embedded hoistway wall
Rack.
7. elevator drop preventer according to claim 1 or 2, which is characterized in that the control piece includes the second control
Part, second control piece include the circuit switching of frictional force rail, detection wheel, brake member and the control spring electromagnet,
The frictional force rail is set to hoistway wall space vertically, and the detection wheel is connect with the elevator, the both ends point of the detection wheel
Do not coordinate with the frictional force rail, the brake member, the detection wheel is connect with the circuit switching by bracing wire.
8. elevator drop preventer according to claim 7, which is characterized in that the brake member includes screw rod, contact, tune
Spring, rotating nuts are saved, the screw rod sequentially passes through the rotating nuts, the adjustment spring, the contact, the adjusting bullet
The both ends of spring are abutted with the contact, the rotating nuts respectively, and the contact is abutted with detection wheel.
9. elevator drop preventer according to claim 8, which is characterized in that the brake member further includes the first fixation
Seat, first fixed seat are connect with the screw rod.
10. elevator drop preventer according to claim 7, which is characterized in that second control piece further includes second
Fixed seat, second fixed seat one end are connect with the elevator, and the other end of second fixed seat connects with detection wheel
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721673883.8U CN207698958U (en) | 2017-12-05 | 2017-12-05 | A kind of elevator drop preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721673883.8U CN207698958U (en) | 2017-12-05 | 2017-12-05 | A kind of elevator drop preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207698958U true CN207698958U (en) | 2018-08-07 |
Family
ID=63025029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721673883.8U Expired - Fee Related CN207698958U (en) | 2017-12-05 | 2017-12-05 | A kind of elevator drop preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207698958U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826930A (en) * | 2017-12-05 | 2018-03-23 | 余廷栋 | A kind of elevator drop preventer |
| CN109823943A (en) * | 2019-03-26 | 2019-05-31 | 常熟市西克玛机械有限公司 | A kind of compact-sized household multi-layer mini-type vertical-lift elevator |
| CN111675136A (en) * | 2020-05-19 | 2020-09-18 | 沈阳新松机器人自动化股份有限公司 | Non-friction anti-falling type elevator |
| CN111825007A (en) * | 2020-06-23 | 2020-10-27 | 俞国峰 | Anti-falling lifting device for installation of power equipment |
-
2017
- 2017-12-05 CN CN201721673883.8U patent/CN207698958U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826930A (en) * | 2017-12-05 | 2018-03-23 | 余廷栋 | A kind of elevator drop preventer |
| CN109823943A (en) * | 2019-03-26 | 2019-05-31 | 常熟市西克玛机械有限公司 | A kind of compact-sized household multi-layer mini-type vertical-lift elevator |
| CN109823943B (en) * | 2019-03-26 | 2024-01-26 | 常熟市西克玛机械有限公司 | Domestic multilayer miniature vertical lifting elevator with compact structure |
| CN111675136A (en) * | 2020-05-19 | 2020-09-18 | 沈阳新松机器人自动化股份有限公司 | Non-friction anti-falling type elevator |
| CN111825007A (en) * | 2020-06-23 | 2020-10-27 | 俞国峰 | Anti-falling lifting device for installation of power equipment |
| CN111825007B (en) * | 2020-06-23 | 2022-03-04 | 内蒙古华兴电力建设有限公司 | Anti-falling lifting device for installation of power equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207698958U (en) | A kind of elevator drop preventer | |
| CN108394775B (en) | Elevator safety system and safety control method | |
| CN205387408U (en) | Prevent unexpected protection device of removal of elevator car | |
| CN202561384U (en) | Camera lifting device | |
| CN107082335B (en) | Elevator lift safety protection system | |
| CN204332748U (en) | A kind of earthed switch and cable vault's back door interlocking device | |
| CN107826930A (en) | A kind of elevator drop preventer | |
| CN109494665B (en) | Novel jack box and bus duct system using jack box | |
| CN1670395A (en) | Friction plate, friction block, and wear limit alarming system of friction sheet | |
| CN204029998U (en) | Contact line earthing device | |
| CN202296639U (en) | Rotary type mechanical lower prevention device | |
| CN1218001A (en) | Automatic online detection helping method for elevator faults | |
| CN103885370B (en) | Production line monitoring system and production line monitoring method | |
| CN102320507B (en) | Mechanical resisting device for home elevator | |
| CN115394584A (en) | Grounding electromagnetic lock device for gas-insulated switchgear circuit breaker unit | |
| CN107416636A (en) | Accidental movement of elevator cage and up-running over-speed protection control panel | |
| CN212581331U (en) | Shaft bus duct hoisting mechanism | |
| CN205023647U (en) | Unexpected protection device and brake unit of removing of elevator car | |
| CN208028487U (en) | Movable type lives across device | |
| CN210313006U (en) | Shallow pit electric system additionally provided with elevator | |
| CN204407235U (en) | A kind of cylinder controlled type high degree of safety electrical control isolating switch | |
| CN207142554U (en) | Accidental movement of elevator cage and up-running over-speed protection control panel | |
| CN207892312U (en) | A kind of intelligence bicycle parking field system | |
| CN202205634U (en) | Novel disconnecting switch contact structure | |
| CN202272599U (en) | Mechanical prevention device for domestic elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180807 Termination date: 20211205 |