CN107010507A - A kind of construction material vertical transport mechanical anti-falling dropping control device - Google Patents
A kind of construction material vertical transport mechanical anti-falling dropping control device Download PDFInfo
- Publication number
- CN107010507A CN107010507A CN201710455455.6A CN201710455455A CN107010507A CN 107010507 A CN107010507 A CN 107010507A CN 201710455455 A CN201710455455 A CN 201710455455A CN 107010507 A CN107010507 A CN 107010507A
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- CN
- China
- Prior art keywords
- electromagnet
- car
- inwall
- installing plate
- construction material
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- 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
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- 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
Abstract
The invention belongs to transporter falling proof device technical field, especially a kind of construction material vertical transport mechanical anti-falling dropping control device, for powering off the burst sex chromosome mosaicism with cable breaks, now propose following scheme, its vertical transferring apparatus includes two fixed mounts, installing plate is welded between the top inner wall of two fixed mounts, and Dual-output shaft motor has been bolted on installing plate, it is fixedly sleeved on the output shaft at Dual-output shaft motor two ends to have line wheel, and it is wound with hawser in two line wheels, the top both sides of the installing plate are equipped with the locking device immediately below line wheel, and hawser sequentially passes through locking device and installing plate.The present invention can be in power-off and Dual-output shaft motor failure; the falling speed of car can be reduced by the friction of block rubber and hawser; and in power-off, Dual-output shaft motor failure and cable breaks; the second iron block can be ejected in neck; second iron block and the mutual clamping of rack; prevent car from falling, protect car.
Description
Technical field
The present invention relates to transporter falling proof device technical field, more particularly to a kind of construction material vertical transport machinery
Falling proof device.
Background technology
In building construction process, it usually needs building material is delivered to higher floor layer, in higher building
Construction is carried out on flaggy, during many high-building constructions, it is by the way of vertical lifting, by material from building
The elevator bottom for building thing is lifted to corresponding floor layer, and the mode of this vertical lifting lifts efficiency high, because suspender is usual
It is to be mounted on by hawser on the output shaft of motor, breaks down or cable breaks situation, can cause once occurring power failure, motor
Material in car and car is postponed elevator whereabouts, and lift car causes security incident from high falling.
In order to solve the problems, such as that lift car is provided with acceleration sensing from high falling, part transporter lift car
Device, monitors the decrease speed of lift car, when lift car decrease speed is very fast, and braking system is controlled by electricity by controller
Terraced car is locked in elevator, prevents lift car from continuing to fall, but in outside power cut-off, partly the electricity without stand-by power supply
Ladder can not monitor the speed of lift car, and braking system can not normal work, therefore cause security incident.
" a kind of construction material vertical transport mechanical anti-falling device " is disclosed for this Chinese patent CN204873315U, is led to
The spine bar crossed on elevator inwall and the pawl structures being engaged with spine bar, in used during elevator falling, force elevator emergency to stop, but
Easily pawl structures are made to wear and tear or fracture when elevator emergency stops, it is therefore desirable to being improved.
Chinese patent CN204138073U discloses " construction material vertical transport anti-falling mechanism ", occurs in hoist engine
During failure, the support of hoisting bracket supported part effectively prevents hoisting bracket from falling, but lift car can not be carried out effectively
Protection.
The content of the invention
Burst sex chromosome mosaicism based on power-off and cable breaks, the present invention proposes a kind of construction material vertical transport machinery
Falling proof device.
A kind of construction material vertical transport mechanical anti-falling dropping control device proposed by the present invention, its vertical transferring apparatus includes two
Be welded between individual fixed mount 1, the top inner wall of two fixed mounts 1 on installing plate 2, and installing plate 2 be bolted it is double
Export spindle motor 3, on the output shaft at the two ends of Dual-output shaft motor 3 it is fixedly sleeved have wound in line wheel 4, and two line wheels 4
There is hawser 5, the top both sides of the installing plate 2 are equipped with the locking device 7 immediately below line wheel 4, and hawser 5 is sequentially passed through
Locking device 7 and installing plate 2, and the one end of hawser 5 away from line wheel 4 is connected with installing plate 2 by cable fixing device 8
The car 6 of side, the cable fixing device 8 includes the pulley 81 being connected by fix bar with the top exterior walls of car 6 and positioned at cunning
Take turns 81 sides and be welded in the housing 82 of the top exterior walls of car 6, housing 82 is that peace is slided on hollow structure, and the inwall of housing 82
Equipped with being welded with stiff spring 84, and top and the connecting rod of stiff spring 84 in connecting rod 83, and the bottom interior wall of housing 82
83 connections, and be screwed on the side inwall of housing 82 and be provided with pressure sensor 84, and pressure sensor 84 with even
Extension bar 83 is engaged, and is offered on the both sides outer wall of car 6 car locking device 9 is provided with neck, and neck, institute
State and the second electromagnet 91 has been screwed on side inwall of the neck away from opening, and the second electromagnet 91 is hollow knot
Structure, the second electromagnet 91 is welded with spring 92 on the side inwall away from opening, spring 92 is connected with positioned at the second electromagnet 91
Guide rod 93 that is interior and being slidably connected with the inwall of the second electromagnet 91, and guide rod 93 and one end company away from the second electromagnet 91
Be connected on the second iron block 94, the both sides inwall of two fixed mounts 1 and offer the first chute 11, and car 6 it is close two
Two the first sliding blocks 12 are equipped with the inwall of side, and four the first sliding blocks 12 slide with the inwall of four the first chutes 11 connect respectively
Connect, the locking device 7 includes the fixed block 71 being installed on installing plate 2, and the center position of fixed block 71 offers cable
Cord hole 77, and locking device 7 is provided with two groups of stays symmetrically arranged and positioned at the both sides of cable hole 77, the stay bag
The fixed plate 72 being welded on fixed block 71 is included, and fixed plate 72 passes through at the middle section position of the side outer wall of cable hole 77
Screw is fixed with the first electromagnet 73, and the both sides of the first electromagnet 73 are equipped with the compression spring 74 being connected with fixed plate 72,
And first electromagnet 73 and compression spring 74 be connected with the first iron block 75, and the first iron block 75 is close to the side outer wall of cable hole 77
On be bolted block rubber 76.
Preferably, two fixed mounts are to be connected between C-shaped configuration, and two fixed mounts by pull bar.
Preferably, it is welded with rack, and rack and offers on side inwall of two fixed mounts away from opening
The upward teeth in direction.
Preferably, the connecting rod is L-type connecting rod, and hawser is slidably matched with pulley, and hawser and connecting rod are remote
One end connection of stiff spring.
Preferably, second iron block offers the teeth being engaged with rack, and the second iron close to one end of fixed mount
The teeth direction of block is downward.
Preferably, the second chute along car level direction, and are equipped with the top and bottom inwall of the neck
The second sliding block coordinated with the second chute is equipped with the top and bottom of two iron blocks, and the inwall of the second sliding block and the second chute is slided
Dynamic connection.
Preferably, the signal output part of the pressure sensor is connected with DATA-7311 type controllers by signal wire.
Preferably, first electromagnet and the second electromagnet are respectively connected with switch, and switch is connected with controller.
Beneficial effects of the present invention are：
1. when the first electromagnet and the energization of the second electromagnet, magnetic force is produced, the first electromagnet and the second electromagnet can divide
Do not attract the first iron block and the second iron block, when cutting off the electricity supply, the first electromagnet and the second electromagnet magnetic force disappear, compression spring
With spring-return initial position, the first iron block and the second iron block are promoted respectively, increase the friction between block rubber and hawser, together
When the second iron block is ejected from neck, car is connected between fixed mount, it is to avoid car drop；
2. during cable breaks, hawser is reduced to the pulling force of connecting rod, the downward traction bars of stiff spring, connecting rod touching
Pressure sensor, pressure sensor monitoring is transferred to controller to pressure information, and by pressure signal, and controller disconnects the first electricity
The power supply of magnet and the second electromagnet, increases the friction between block rubber and hawser, while making the second iron block be hit by a bullet from neck
Go out, car is connected between fixed mount, it is to avoid car drops.
The present invention can reduce sedan-chair in power-off and Dual-output shaft motor failure by the friction of block rubber and hawser
The falling speed in railway carriage or compartment, and in power-off, Dual-output shaft motor failure and cable breaks, the second iron block can be ejected in neck, the
Two iron blocks and the mutual clamping of rack, prevent car from falling, protect car.
Brief description of the drawings
Fig. 1 is a kind of structural representation of construction material vertical transport mechanical anti-falling dropping control device proposed by the present invention；
Fig. 2 is a kind of suction head structural representation of construction material vertical transport mechanical anti-falling dropping control device proposed by the present invention
Figure；
Fig. 3 is a kind of structural representation of construction material vertical transport mechanical anti-falling dropping control device proposed by the present invention；
Fig. 4 is a kind of structural representation of construction material vertical transport mechanical anti-falling dropping control device proposed by the present invention；
Fig. 5 is a kind of structural representation of construction material vertical transport mechanical anti-falling dropping control device proposed by the present invention.
In figure：1 fixed mount, 2 installing plates, 3 Dual-output shaft motors, 4 line wheels, 5 hawsers, 6 cars, 7 locking devices, 8 hawsers
Fixing device, 9 car locking devices, 10 racks, 11 guide grooves, 12 sliding blocks, 71 fixed blocks, 72 fixed plates, 73 first electromagnet,
74 compression springs, 75 first iron blocks, 76 block rubbers, 77 cable holes, 81 pulleys, 82 housings, 83 connecting rods, 84 stiff springs, 85
Pressure sensor, 91 second electromagnet, 92 springs, 93 guide rods, 94 second iron blocks.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Embodiment one, reference picture 1-5, a kind of construction material vertical transport mechanical anti-falling dropping control device, its vertical transport dress
Put including two fixed mounts 1, be welded between the top inner wall of two fixed mounts 1 on installing plate 2, and installing plate 2 and pass through bolt
Being fixed with Dual-output shaft motor 3, the output shaft at the two ends of Dual-output shaft motor 3 fixedly sleeved has line wheel 4, and two line wheels 4
On be wound with hawser 5, the top both sides of installing plate 2 are equipped with the locking device 7 immediately below line wheel 4, and hawser 5 is successively
Through locking device 7 and installing plate 2, and the one end of hawser 5 away from line wheel 4 is connected with positioned at installing by cable fixing device 8
The car 6 of the lower section of plate 2, cable fixing device 8 includes the pulley 81 being connected by fix bar with the top exterior walls of car 6 and positioned at cunning
Take turns 81 sides and be welded in the housing 82 of the top exterior walls of car 6, housing 82 is that peace is slided on hollow structure, and the inwall of housing 82
Equipped with being welded with stiff spring 84, and top and the connecting rod of stiff spring 84 in connecting rod 83, and the bottom interior wall of housing 82
83 connections, and be screwed on the side inwall of housing 82 and be provided with pressure sensor 84, and pressure sensor 84 with even
Extension bar 83 is engaged, and is offered on the both sides outer wall of car 6 car locking device 9 is provided with neck, and neck, is blocked
Groove has been screwed the second electromagnet 91 on the side inwall away from opening, and the second electromagnet 91 is hollow structure, the
Two electromagnet 91 are welded with spring 92 on the side inwall away from opening, spring 92 be connected with the second electromagnet 91 and with
The guide rod 93 that the inwall of second electromagnet 91 is slidably connected, and guide rod 93 is connected with the with one end away from the second electromagnet 91
Offered on two iron blocks 94, the both sides inwall of two fixed mounts 1 on first chute 11, and the close both sides inwall of car 6
Provided with two the first sliding blocks 12, and inwall of four the first sliding blocks 12 respectively with four the first chutes 11 is slidably connected, locking dress
7 fixed blocks 71 for including being installed on installing plate 2 are put, and the center position of fixed block 71 offers cable hole 77, and locking
Device 7 includes being welded in fixed block 71 provided with two groups of stays symmetrically arranged and positioned at the both sides of cable hole 77, stay
On fixed plate 72, and fixed plate 72 be screwed at the middle section position of the side outer wall of cable hole 77 first electricity
Magnet 73, and the both sides of the first electromagnet 73 are equipped with the compression spring 74 being connected with fixed plate 72, and the He of the first electromagnet 73
Compression spring 74 is connected with the first iron block 75, and the first iron block 75 has been bolted on the side outer wall of cable hole 77
Block rubber 76.
In the present invention, second iron block 94 offers the teeth being engaged with rack 10 close to one end of fixed mount 1, and
The teeth direction of second iron block 94 downwards, is equipped with second along car level direction on the top and bottom inwall of the neck
Chute, and the top and bottom of the second iron block 94 are equipped with the second sliding block coordinated with the second chute, and the second sliding block and second
The inwall of chute is slidably connected, and the first electromagnet 73 and the second electromagnet 93 are respectively connected with switch, and switch is connected with controller.
Embodiment two, reference picture 1-5, a kind of construction material vertical transport mechanical anti-falling dropping control device, its vertical transport dress
Put including two fixed mounts 1, two fixed mounts 1 is connect by pull bar between C-shaped configuration, and two fixed mounts 1, two fixations
Frame 1 is welded with rack 10, and rack 10 on the side inwall away from opening offers the upward teeth in direction, two fixations
It is welded between the top inner wall of frame 1 on installing plate 2, and installing plate 2 and has been bolted Dual-output shaft motor 3, dual output
On the output shaft at the two ends of spindle motor 3 it is fixedly sleeved have hawser 5 is wound with line wheel 4, and two line wheels 4, the installing plate 2
Top both sides be equipped with locking device 7 immediately below line wheel 4, and hawser 5 sequentially passes through locking device 7 and installing plate 2,
And the one end of hawser 5 away from line wheel 4 is connected with the car 6 positioned at the lower section of installing plate 2, the hawser by cable fixing device 8
Fixing device 8 includes the pulley 81 being connected with the top exterior walls of car 6 by fix bar and positioned at the side of pulley 81 and is welded in sedan-chair
The housing 82 of the top exterior walls of railway carriage or compartment 6, housing 82 is to be slidably fitted with connecting rod 83, and shell on hollow structure, and the inwall of housing 82
Stiff spring 84 is welded with the bottom interior wall of body 82, and the top of stiff spring 84 is connected with connecting rod 83, and housing 82
It is screwed on the inwall of side and pressure sensor 84 is installed, and pressure sensor 84 is engaged with connecting rod 83, connection
Bar 83 is L-type connecting rod, and hawser 5 is slidably matched with pulley 81, and hawser 5 and the one end of connecting rod 83 away from stiff spring 84
Connection, and offered on the both sides outer wall of car 6 car locking device 9 is installed in neck, and neck, neck is kept away
The second electromagnet 91 has been screwed on the side inwall of mouth, and the second electromagnet 91 is hollow structure, the second electromagnet
Be welded with spring 92 on the 91 side inwalls away from opening, spring 92 be connected with the second electromagnet 91 and with the second electromagnetism
The guide rod 93 that the inwall of iron 91 is slidably connected, and guide rod 93 is connected with the second iron block 94 with one end away from the second electromagnet 91
Offered on the both sides inwall of two fixed mounts 1 and be equipped with two on first chute 11, and the close both sides inwall of car 6
Individual first sliding block 12, and inwall of four the first sliding blocks 12 respectively with four the first chutes 11 be slidably connected, the locking device 7
Center position including the fixed block 71 being installed on installing plate 2, and fixed block 71 offers cable hole 77, and locking device
7 include being welded in fixed block 71 provided with two groups of stays symmetrically arranged and positioned at the both sides of cable hole 77, the stay
On fixed plate 72, and fixed plate 72 be screwed at the middle section position of the side outer wall of cable hole 77 first electricity
Magnet 73, and the both sides of the first electromagnet 73 are equipped with the compression spring 74 being connected with fixed plate 72, and the He of the first electromagnet 73
Compression spring 74 is connected with the first iron block 75, and the first iron block 75 has been bolted on the side outer wall of cable hole 77
Block rubber 76.
In the present invention, the signal output part of pressure sensor 84 is connected with DATA-7311 type controllers by signal wire, the
One electromagnet 73 and the second electromagnet 93 are respectively connected with switch, and switch is connected with controller.
When the first electromagnet 73 and the energization of the second electromagnet 91, magnetic force, the first electromagnet 73 and the second electromagnet 91 are produced
The first iron block 75 and the second iron block 94 can be attracted respectively, in the case where power supply is powered off suddenly, Dual-output shaft motor 3 stops work
Make, car 6 falls, the first electromagnet 73 and the magnetic force of the second electromagnet 91 disappear, compression spring 74 and spring 92 reply initial bit
Put, compression spring 74 promotes the first iron block 75, the first iron block 75 is slided on fixed block 71, the first iron block 15 drives block rubber 76
Moved to the direction of cable hole 77, clamp hawser 5, block rubber 76 produces friction with hawser 5, reduce the falling speed of car 6, and spring
92 promote the iron block 94 of guide rod 93 and second, and the iron block 94 of guide rod 93 and second is moved to the direction of rack 10, and the second iron block 94 is leaned on
One end of nearly rack 10 offers the second iron block 94 on the teeth being engaged with rack 10, the both sides outer wall of car 6 respectively with two
The individual phase clamping of rack 10, car 6 is fixed between two fixed mounts 1, it is to avoid car 6 drops.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of construction material vertical transport mechanical anti-falling dropping control device, its vertical transferring apparatus includes two fixed mounts (1), two
It is welded between the top inner wall of individual fixed mount (1) on installing plate (2), and installing plate (2) and has been bolted double output shaft
On motor (3), the output shaft at Dual-output shaft motor (3) two ends it is fixedly sleeved have twined in line wheel (4), and two line wheels (4)
It is wound with hawser (5), it is characterised in that the top both sides of the installing plate (2) are equipped with the locking dress immediately below line wheel (4)
Put (7), and hawser (5) sequentially passes through locking device (7) and installing plate (2), and the one end of hawser (5) away from line wheel (4) passes through
Cable fixing device (8) is connected with the car (6) below installing plate (2), and the cable fixing device (8) is included by solid
Pulley (81) that fixed pole is connected with car (6) top exterior walls and positioned at pulley (81) side and it is welded in car (6) top exterior walls
Housing (82), housing (82) be hollow structure, and the inwall of housing (82) on be slidably fitted with connecting rod (83), and housing
(82) stiff spring (84) is welded with bottom interior wall, and the top of stiff spring (84) is connected with connecting rod (83), and shell
It is screwed on the side inwall of body (82) and pressure sensor (84) is installed, and pressure sensor (84) and connecting rod
(83) it is engaged, and is offered on the both sides outer wall of car (6) car locking device (9) is installed in neck, and neck,
During the neck has been screwed the second electromagnet (91) on the side inwall away from opening, and the second electromagnet (91) is
Hollow structure, the second electromagnet (91) is welded with spring (92) on the side inwall away from opening, and spring (92) is connected with positioned at the
The guide rod (93) being slidably connected in two electromagnet (91) and with the second electromagnet (91) inwall, and guide rod (93) with away from the
One end of two electromagnet (91), which is connected with the second iron block (94), the both sides inwall of two fixed mounts (1), offers
Two the first sliding blocks (12), and four the first sliding blocks (12) are equipped with one chute (11), and the close both sides inwall of car (6)
The inwall with four the first chutes (11) is slidably connected respectively, and the locking device (7) includes being installed on consolidating on installing plate (2)
Determine block (71), and the center position of fixed block (71) offers cable hole (77), and locking device (7) is symmetrical provided with two groups
Stays setting and positioned at cable hole (77) both sides, the stay includes the fixed plate being welded on fixed block (71)
(72), and at the middle section position of the side outer wall of the close cable hole (77) of fixed plate (72) the first electromagnet has been screwed it
, and the both sides of the first electromagnet (73) are equipped with the compression spring (74) being connected with fixed plate (72), and the first electromagnet (73)
(73) it is connected with compression spring (74) on the first iron block (75), and the side outer wall of the close cable hole (77) of the first iron block (75)
It has been bolted block rubber (76).
2. a kind of construction material vertical transport mechanical anti-falling dropping control device according to claim 1, it is characterised in that two
The fixed mount (1) is to be connected between C-shaped configuration, and two fixed mounts (1) by pull bar.
3. a kind of construction material vertical transport mechanical anti-falling dropping control device according to claim 1, it is characterised in that two
The fixed mount (1) is welded with rack (10), and rack (10) that to offer direction upward on the side inwall away from opening
Teeth.
4. a kind of construction material vertical transport mechanical anti-falling dropping control device according to claim 1, it is characterised in that described
Connecting rod (83) is L-type connecting rod, and hawser (5) is slidably matched with pulley (81), and hawser (5) with connecting rod (83) is remote leads
Draw one end connection of spring (84).
5. a kind of construction material vertical transport mechanical anti-falling dropping control device according to claim 1 or 6, it is characterised in that
Second iron block (94) offers the teeth being engaged with rack (10), and the second iron block close to one end of fixed mount (1)
(94) teeth direction is downward.
6. a kind of construction material vertical transport mechanical anti-falling dropping control device according to claim 1, it is characterised in that described
The second chute along car level direction, and the top and bottom of the second iron block (94) are equipped with the top and bottom inwall of neck
Portion is equipped with the second sliding block coordinated with the second chute, and the inwall of the second sliding block and the second chute is slidably connected.
7. a kind of construction material vertical transport mechanical anti-falling dropping control device according to claim 1, it is characterised in that described
The signal output part of pressure sensor (84) is connected with DATA-7311 type controllers by signal wire.
8. a kind of construction material vertical transport mechanical anti-falling dropping control device according to claim 1 or 9, it is characterised in that
First electromagnet (73) and the second electromagnet (93) are respectively connected with switch, and switch is connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455455.6A CN107010507A (en) | 2017-06-16 | 2017-06-16 | A kind of construction material vertical transport mechanical anti-falling dropping control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455455.6A CN107010507A (en) | 2017-06-16 | 2017-06-16 | A kind of construction material vertical transport mechanical anti-falling dropping control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107010507A true CN107010507A (en) | 2017-08-04 |
Family
ID=59452971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710455455.6A Pending CN107010507A (en) | 2017-06-16 | 2017-06-16 | A kind of construction material vertical transport mechanical anti-falling dropping control device |
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| Country | Link |
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| CN (1) | CN107010507A (en) |
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| CN107763424A (en) * | 2017-10-23 | 2018-03-06 | 广东亚泰科技有限公司 | A kind of protector for preventing rack from sliding |
| CN107829590A (en) * | 2017-12-05 | 2018-03-23 | 余廷栋 | A kind of intelligent bicycle parking field system |
| CN108217378A (en) * | 2018-02-11 | 2018-06-29 | 广州特种机电设备检测研究院 | Elevator with falling stop safety device |
| CN108394785A (en) * | 2018-04-11 | 2018-08-14 | 波士顿电梯（湖州）有限公司 | Cargo lift falling-proof safety device for building |
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| CN108675082A (en) * | 2018-08-09 | 2018-10-19 | 河南沪江电缆有限公司 | Construction material vertical transport fall protection equipment |
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| CN110155914A (en) * | 2018-01-30 | 2019-08-23 | 张震 | It is a kind of with self limit function building machinery lifting step on |
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| CN113895283A (en) * | 2020-06-22 | 2022-01-07 | 奥动新能源汽车科技有限公司 | Battery replacement equipment anti-falling device, battery replacement equipment and battery replacement equipment anti-falling method |
| CN115196462A (en) * | 2022-08-02 | 2022-10-18 | 苏州富士精工电梯有限公司 | Elevator car capable of limiting and limiting method thereof |
| CN116750608A (en) * | 2023-08-18 | 2023-09-15 | 山东志者电气科技有限公司 | Multistage protective braking elevator system |
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| CN107763424A (en) * | 2017-10-23 | 2018-03-06 | 广东亚泰科技有限公司 | A kind of protector for preventing rack from sliding |
| CN107829590A (en) * | 2017-12-05 | 2018-03-23 | 余廷栋 | A kind of intelligent bicycle parking field system |
| CN107829590B (en) * | 2017-12-05 | 2024-04-09 | 余廷栋 | Intelligent parking lot system |
| CN110155914A (en) * | 2018-01-30 | 2019-08-23 | 张震 | It is a kind of with self limit function building machinery lifting step on |
| CN108217378A (en) * | 2018-02-11 | 2018-06-29 | 广州特种机电设备检测研究院 | Elevator with falling stop safety device |
| CN108217378B (en) * | 2018-02-11 | 2024-01-02 | 广州特种机电设备检测研究院 | Elevator with anti-falling safety device |
| CN108524149B (en) * | 2018-03-23 | 2020-05-19 | 李冰 | Medical lifting frame convenient for patient to get on or off bed |
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| CN108394785A (en) * | 2018-04-11 | 2018-08-14 | 波士顿电梯（湖州）有限公司 | Cargo lift falling-proof safety device for building |
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| CN109759876A (en) * | 2019-03-22 | 2019-05-17 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Pressing device |
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| CN111320050B (en) * | 2020-04-10 | 2021-09-03 | 立达博仕电梯（苏州）有限公司 | Be used for elevator overspeed protection device that goes upward |
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Application publication date: 20170804 |