CN209455879U - A kind of braking safety device for lifting device - Google Patents
A kind of braking safety device for lifting device Download PDFInfo
- Publication number
- CN209455879U CN209455879U CN201920042566.9U CN201920042566U CN209455879U CN 209455879 U CN209455879 U CN 209455879U CN 201920042566 U CN201920042566 U CN 201920042566U CN 209455879 U CN209455879 U CN 209455879U
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- pedestal
- installation surface
- connecting rod
- vertical installation
- guide rail
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Abstract
A kind of braking safety device for lifting device, comprising: pedestal has vertical installation surface；Driving mechanism is vertically mounted in the vertical installation surface of pedestal, and the driving end of driving mechanism is kept to go up and down along the vertical direction；Force transfer mechanism, including guiding device and at least a pair of links device, guiding device are slidably connected with vertical installation surface, the top of guiding device is connected with the driving end of driving mechanism, and is vertically moved up or down with the driving end of driving mechanism along vertical installation surface；The two sides of guiding device are symmetrically separately positioned on two a pair of linkages, connecting rod is hinged in the vertical installation surface of pedestal；And at least a pair of of clamp system, it is symmetricly set in the vertical installation surface of pedestal in pairs.The beneficial effects of the utility model are: more compact structure, feedback is rapider, and movement is more stable, and installation and debugging more succinctly facilitate by the way that a set of link mechanism boil down to across entire elevator of the prior art is fixed on the brake gear on a pedestal.
Description
Technical field
The present invention relates to a kind of braking safety devices for lifting device.
Background technique
Since elevator is to move up and down, in elevator (elevator) operational process, braking safety device limitation is needed
It goes up and down speed of the framework on guide rail；When lifting framework speed exceeds setting range or traction device (chain, wirerope
Deng) fracture when, sensor detects to be operating abnormally, PLC issue braking commands, go up and down framework locking on guide rail.
But common elevator brake gear span is big, mechanism is more and complicated, and installation and debugging difficulty is big, action response and
When property is poor；Particularly, it is powered off when common elevator brake gear is run, this brake gear loses effect, can only be by electricity
Machine locking guarantees safety.These problems significant for critical security device.Therefore, those skilled in the art mention
A kind of novel braking safety device for industrial elevator is supplied, to solve the problems mentioned in the above background technology.
Summary of the invention
To solve the above-mentioned problems, the invention proposes a kind of more compact structures, and feedback is rapider, act more stable, peace
Adjustment tries the braking safety device for being more succinctly conveniently used for lifting device.
A kind of braking safety device for lifting device of the present invention characterized by comprising
Pedestal has vertical installation surface, for installing associated components；
Driving mechanism is vertically mounted in the vertical installation surface of pedestal, and keeps the driving end of driving mechanism along vertical side
To lifting；
Force transfer mechanism, including guiding device and at least a pair of links device, the guiding device and vertical installation surface are sliding
Dynamic connection, the top of guiding device are connected with the driving end of driving mechanism, and with the driving end of driving mechanism along vertical installation surface
Vertical lift；The two sides of guiding device are symmetrically separately positioned on two a pair of linkages, connecting rod is hinged on positioned at pedestal
Vertical installation surface on, and the first end of linkage and guiding device are rolled and are connected, and second end is connect with clutch mechanism slip,
So that connecting rod moves in a circle under by external force around cantilever pin；
And at least a pair of of clamp system, be symmetricly set in the vertical installation surface of pedestal in pairs, and with linkage one
One is corresponding, and wherein the second end of clamp system and linkage is slidably connected, the rotational angle for limiting rod device.
The driving mechanism includes telescopic device, connector and connector, and telescopic device is perpendicularly fixed at the vertical peace of pedestal
On dress face, and the output end of telescopic device is extended downwardly as the driving end of driving mechanism and is fixed with connector；The one of connector
End is connected with connector, and the other end is connected with guiding device located directly below.
Telescopic device is spring single-acting cylinder, and connector is the floating junction cooperated with telescopic device.
The guiding device includes guide plate, sliding block, guide rail cushion block and guide rail, and guide rail backing plate is mated formation in the vertical of pedestal
On mounting surface；Guide rail installs guide rail pad surfaces along the output end lifting direction of telescopic device；The guide plate is towards guide rail
End face is equipped with sliding block, and sliding block is slidably connected with guide rail, so that guide plate is under the drive of telescopic device along guide rail Vertical Square
To linear motion.
The guide plate is equipped at least one strip groove that can cooperate with linkage, and every strip groove corresponds to a set of company
One end of lever apparatus, strip groove extends to the edge of guide plate.
The linkage includes connecting rod, cam pack and cantilever pin, and the middle part of the connecting rod is hinged on by cantilever pin
In the vertical installation surface of pedestal, and the second end of connecting rod is connected with corresponding clutch mechanism slip by connecting pin, and the of connecting rod
One end is equipped with cam pack, and the cam of cam pack is caught in corresponding strip groove, realizes that connecting rod and guide plate roll and connects.
The clamp system includes mounting portion and holding portion, and wherein mounting portion is packed in the vertical installation surface of pedestal, is embraced
There are the clamping gaps for being caught in the track being vertically arranged between the tight compression side in portion and the compression side of mounting portion；It holds tightly
The perpendicular of subordinate portion and pedestal is hinged, and the second end of top and linkage is hinged, and the bottom in holding portion is equipped with for supporting
The protrusion for the track being firmly vertically arranged, so that holding portion is the center of circle vertical around the hinged place for holding subordinate portion tightly under connecting rod drive
Plane or the plane rocking parallel with perpendicular are to adjust protrusion to track compaction degree.
The compression side of mounting portion and the compression side in holding portion are clipped in track two sides, i.e., between mounting portion and holding portion
It is caught in corresponding track, and the swing of the second end with connecting rod in clamping gap, adjusts the protrusion and track of holding portion bottom
Compaction degree between interior edge.
Mounting portion and holding portion are vertically disposed bar blocks, and compression side of the mounting portion towards holding portion is one
Terrace, and holding portion is a flat surface towards the compression side of mounting portion.
The track is T-type track, and the vertical portion of T-type track is caught in clamping gap.
The clamp system is safe clamp.
The beneficial effects of the present invention are: by by a set of link mechanism boil down to across entire elevator of the prior art
The brake gear being fixed on a pedestal, more compact structure, feedback is rapider, acts more stable, the more succinct side of installation and debugging
Just.In addition, telescopic device (spring single-acting cylinder) can be because of the effect of spring force when elevator is powered off due to accident
It resets, on guide rail, lifting framework is secured directly on guide rail and not only by motor locking for clamping device locking.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of driving mechanism of the present invention；
Fig. 3 is the structural schematic diagram of guiding mechanism of the present invention；
Fig. 4 is the structural schematic diagram of link mechanism of the present invention；
Fig. 5 is the partial sectional view of link mechanism of the present invention；
Fig. 6 is usage state diagram of the invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawing.
Referring to attached drawing:
A kind of braking safety device for lifting device of the present invention of embodiment 1, comprising:
Pedestal 500 has vertical installation surface, for installing associated components；
Driving mechanism 100, is vertically mounted in the vertical installation surface of pedestal, and keeps the driving end of driving mechanism along vertical
Direction lifting；
Force transfer mechanism, including guiding device 200 and at least a pair of links device 300, the guiding device 200 with it is vertical
Mounting surface is slidably connected, and the top of guiding device 200 is connected with the driving end of driving mechanism 100, and with the drive of driving mechanism 100
Moved end is vertically moved up or down along vertical installation surface；The two of guiding device 200 is symmetrically separately positioned on two a pair of linkages 300
Side, linkage 300 are hinged in the vertical installation surface of pedestal, and the first end of linkage 300 and guiding device 200
Connection is rolled, second end is slidably connected with clamp system 400, so that connecting rod does circumference fortune around cantilever pin under by external force
It is dynamic；
And at least a pair of of clamp system 400, it is symmetricly set in the vertical installation surface of pedestal 500 in pairs, and and connecting rod
Device 300 corresponds, and wherein clamp system 400 and the second end of linkage 300 are slidably connected, and is used for limiting rod device
Rotational angle.
The driving mechanism 100 includes telescopic device 101, connector 102 and connector 103, and telescopic device 101 is vertically fixed
In in the vertical installation surface of pedestal 100, and the output end of telescopic device 101 is extended downwardly as the driving end of driving mechanism 100
And it is fixed with connector 102；One end of connector 103 is connected with connector 102, the other end and guiding device 200 located directly below
It is connected.
Telescopic device 101 is spring single-acting cylinder, and connector is the floating junction cooperated with telescopic device 101.
The guiding device 200 includes guide plate 201, sliding block 204, guide rail backing plate 202 and guide rail 203, guide rail backing plate
202 mat formation in the vertical installation surface of pedestal 500；Guide rail 203 installs guide rail backing plate along the output end lifting direction of telescopic device
202 surfaces；The guide plate 201 is equipped with sliding block 204 towards the end face of guide rail 203, and sliding block 204 and the sliding of guide rail 203 connect
It connects, so that guide plate 201 moves along a straight line under the drive of telescopic device along 203 vertical direction of guide rail.
The guide plate 201 is equipped at least one strip groove 205 that can cooperate with linkage 300, every strip groove
205 corresponding a set of linkages 300, one end of strip groove 205 extends to the edge of guide plate 201.
The linkage 300 includes connecting rod 301, cam pack 302 and cantilever pin 303, and the middle part of the connecting rod 301 is logical
Cantilever pin 303 is crossed to be hinged in the vertical installation surface of pedestal 500, and the second end of connecting rod 301 passes through connecting pin and corresponding folder
Tight mechanism 400 is slidably connected, and the first end of connecting rod is equipped with cam pack 302, and the cam of cam pack 302 is caught in corresponding item
In shape slot 205, realizes that connecting rod and guide plate 201 roll and connect.
The clamp system 400 includes mounting portion 401 and holding portion 402, and wherein mounting portion 401 is packed in pedestal 500
In vertical installation surface, there are be vertically arranged for being caught between the compression side in holding portion 402 and the compression side of mounting portion
The clamping gap of track 600；The perpendicular for holding subordinate portion and pedestal tightly is hinged, and the second end of top and linkage is hinged,
The bottom in holding portion is equipped with the protrusion for resisting the track being vertically arranged, so that holding portion is under connecting rod drive around holding subordinate
The hinged place in portion is that the center of circle is raised to track compaction degree to adjust in perpendicular or the plane rocking parallel with perpendicular.
The compression side of mounting portion and the compression side in holding portion are clipped in track two sides, i.e., between mounting portion and holding portion
It is caught in corresponding track, and the swing of the second end with connecting rod in clamping gap, adjusts the protrusion and track of holding portion bottom
Compaction degree between interior edge.
Mounting portion and holding portion are vertically disposed bar blocks, and compression side of the mounting portion towards holding portion is one
Terrace, and holding portion is a flat surface towards the compression side of mounting portion.
The track is T-type track, and the vertical portion of T-type track is caught in clamping gap.
The clamp system is safe clamp.
A kind of braking safety device for industrial elevator of the present invention of embodiment 2, including driving mechanism, power pass
The clamp system and pedestal passing mechanism, being arranged in pairs, wherein force transfer mechanism includes guiding mechanism and link mechanism, the bottom
Seat is installed in the lifting framework of elevator；The track that the clamp system and elevator are vertically arranged cooperates；The drive
Motivation structure is vertically installed on the pedestal；The guiding mechanism is connected to the output end of the driving mechanism and by the drive
The driving of motivation structure moves up and down；Described link mechanism one end is installed on the guiding mechanism, the other end and the clamp system phase
Connection；The link mechanism is installed on the pedestal and carries out circular motion respectively around cantilever pin；The clamp system is by institute
Link mechanism pulling is stated, it is controlled and opens or clamp.
The present invention replaces the longer brake of ordinary feedback loop by a kind of more compact more effective new type of safe brake gear
Mechanism of car is moved along a straight line up and down by driving mechanism driving guiding mechanism, and controls connecting rod mechanism is rotated around cantilever pin, drives clamping machine
Structure is opened or is clamped.More compact structure, feedback is rapider, and movement is more stable, and installation and debugging more succinctly facilitate.
The driving mechanism includes telescopic device, connector and connector；The telescopic device is fixed on pedestal and defeated
Outlet is extended downwardly and is fixed with the connector；One end of the connector and the joint pivot, the other end and the guiding
Mechanism pivot joint.
The guiding mechanism includes guide plate, 4 sliding blocks installed side by side two-by-two, the guide rail backing plate being symmetrically installed and divides
Two guide rails not being installed on the guide rail backing plate.Described guiding mechanism one end is connected to the output end of the driving mechanism,
The other end is connect with the link mechanism；The guide rail backing plate and guide rail of the guiding mechanism are fixed on the pedestal, and
It moves in a straight line along the vertical direction.
The link mechanism includes connecting rod, cam pack and cantilever pin.The cam pack is installed on the guide plate
Above and by horizontal direction move freely；The cam pack is articulated on the connecting rod and serves as input terminal, and the cantilever pin connects
Connect pedestal and connecting rod；The connecting rod is directly driven by the cam pack and using the cantilever pin as axle center rotation.
Described link mechanism or so respectively has one group, is symmetrically arranged on the pedestal；The link mechanism output end and institute
It states clamp system to be connected, and controls the clamp system processed and open or clamp.
The pedestal is installed in the lifting framework of elevator；The clamp system and elevator guide rails cooperate.
Embodiment 3 please refers to Fig. 1~4, in the utility model embodiment, a kind of braking safety device for elevator,
Including driving mechanism 100, force transfer mechanism, clamp system 400 and pedestal 500, wherein force transfer mechanism includes guiding mechanism
200 and link mechanism 300, driving mechanism 100 be vertically mounted on the base 500；Guiding mechanism 200 is connected to driving mechanism
100 output end is simultaneously moved up and down by the driving of driving mechanism 100；300 one end of link mechanism is installed on guiding mechanism 200, another
End is connected with clamp system 400；Link mechanism 300 is installed on pedestal 500 and carries out circular motion respectively around fixed point；Folder
Tight mechanism 400 is pulled by link mechanism 300, is controlled it and is opened or clamp.
Driving mechanism 100 includes telescopic device 101, connector 102 and connector 103；Telescopic device 101 is fixed on pedestal
On 500 and output end is extended downwardly and is fixed with connector 102；One end of connector 103 and connector 102 are pivotally connected, the other end with lead
It is pivotally connected to mechanism 200.More specifically, telescopic device 101 is spring single-acting cylinder, connector 102 is to match with telescopic device 101
The floating junction of conjunction.
Guiding mechanism 200 include guide plate 201,4 sliding blocks installed side by side two-by-two 204, the guide rail cushion block that is symmetrically installed
202 and two guide rails 203 being respectively arranged on guide rail backing plate 202.200 one end of guiding mechanism is connected to driving mechanism 100
Output end, the other end connect with link mechanism 300；The guide rail backing plate 202 and guide rail 203 of guiding mechanism 200 are fixed on pedestal
On 500；Guide plate 201 is fixed on sliding block 204 and does up and down direction linear motion along guide rail 203.
Link mechanism 300 includes connecting rod 301, cam pack 302 and cantilever pin 303.Cam pack 302 is installed on guiding
It is moved freely on plate 201 and by horizontal direction；Cam pack 302 is articulated on connecting rod 301 and serves as the input of link mechanism 300
End, cantilever pin 303 connect pedestal 500 and connecting rod 301；Connecting rod 301 is directly driven by cam pack 302 and is with cantilever pin 303
Axle center rotation.Link mechanism 300 or so respectively has one group, is symmetrically arranged on pedestal 500；300 output end of link mechanism and clamping
Mechanism 400 is connected, and controls clamp system 400 and open or clamp.More specifically, cam pack 302 is servo-actuated for camshaft bearing
Device.
Clamping device 400 is a kind of safe clamp of standard specification.
The working principle of the utility model is: (spring pushes back formula single-acting to telescopic device in elevator normal course of operation
Cylinder) 100 guide rods stretch out and keep, and guiding mechanism 200 is located at limit inferior position at this time；Correspondingly, the connecting rod of link mechanism 300 is defeated
Enter end and be located at upper limit, output end is located at upper limit, and clamp system 400 is deployed position, this braking safety device is with lifting
Framework moves along a straight line up and down along riser guide.When elevator detects lifting framework velocity anomaly, PLC passes through control solenoid valve
It dies, guide rod pushes back and floating junction 102 is driven to move upwards telescoping mechanism 100 under spring force, floating junction 102
Guide plate 201 is pulled by connecting plate 103；Guide plate 201 is with 4 sliding blocks 204 being fixed on guide plate 201 together along guide rail
203 upward slidings.When 201 upward sliding of guide plate, camshaft bearing follower 302 is driven to move upwards in sliding slot；Due to even
The connecting rod 301 of linkage 300 is fixed on pedestal 500 by cantilever pin 303, the camshaft bearing follower 302 as input terminal
When moving up, input, output end move in a circle around cantilever pin 303.The output end of connecting rod 301 is with cantilever pin 303 downwards
Axe movement, path are the arc of circumference.When connecting rod 301 moves downward, the briquetting of clamp system 400 is driven to move downward and press
Tight guide rail, so that whole device locking is on riser guide.When system cut-off or when dying, (spring pushes back formula list to telescopic device
Active cylinder) 100 guide rods push back by spring force, and movement is same as above.
A kind of braking safety device for elevator of the present invention of embodiment 4, including driving mechanism, power transmit machine
Structure, clamp system and pedestal, wherein force transfer mechanism includes guiding mechanism and link mechanism, and the driving mechanism is vertically pacified
Loaded on the pedestal；The guiding mechanism is connected to the output end of the driving mechanism and is driven up and down by the telescoping mechanism
It is mobile；Described link mechanism one end is installed on the guiding mechanism, and the other end is connected with the clamp system；The connecting rod machine
Structure is installed on the pedestal and carries out circular motion respectively around fixed point；The clamp system is pulled by the link mechanism,
It is controlled to open or clamp.
The driving mechanism includes telescopic device, connector and connector；The telescopic device is fixed on pedestal and defeated
Outlet is extended downwardly and is fixed with the connector；One end of the connector and the joint pivot, the other end and the guiding
Mechanism pivot joint.
The telescopic device is spring type single-acting cylinder.
The guiding mechanism includes guide plate, 4 sliding blocks installed side by side two-by-two, the guide rail cushion block being symmetrically installed and divides
Two guide rails not being installed on the guide rail backing plate.
Described guiding mechanism one end is connected to the output end of the driving mechanism, and the other end is connect with the link mechanism；
The guide rail backing plate and guide rail of the guiding mechanism are fixed on the pedestal, and are moved in a straight line along the vertical direction.
The link mechanism includes connecting rod, cam pack and cantilever pin.The cam pack is installed on the guide plate
Above and by horizontal direction move freely；The cam pack is articulated on the connecting rod and serves as input terminal, and the cantilever pin connects
Connect pedestal and connecting rod；The connecting rod is directly driven by the cam pack and using the cantilever pin as axle center rotation.
Described link mechanism or so respectively has one group, is symmetrically arranged on the pedestal.
The link mechanism output end is connected with the clamp system, and controls the clamp system processed and open or clamp.
The clamping device is a kind of safe clamp of standard specification.
The pedestal is installed in the lifting framework of elevator；The clamp system and elevator guide rails cooperate.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention also includes art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (10)
1. a kind of braking safety device for lifting device characterized by comprising
Pedestal has vertical installation surface, for installing associated components；
Driving mechanism is vertically mounted in the vertical installation surface of pedestal, and the driving end of driving mechanism is kept to rise along the vertical direction
Drop；
Force transfer mechanism, including guiding device and at least a pair of links device, the guiding device and vertical installation surface sliding connect
It connects, the top of guiding device is connected with the driving end of driving mechanism, and vertical along vertical installation surface with the driving end of driving mechanism
Lifting；The two sides of guiding device are symmetrically separately positioned on two a pair of linkages, connecting rod is hinged on positioned at the perpendicular of pedestal
On straight mounting surface, and the first end of linkage and guiding device are rolled and are connected, and second end is connect with clutch mechanism slip, so that
Connecting rod moves in a circle under by external force around cantilever pin；
And at least a pair of of clamp system, it is symmetricly set in the vertical installation surface of pedestal in pairs, and a pair of with linkage one
It answers, wherein the second end of clamp system and linkage is slidably connected, the rotational angle for limiting rod device.
2. a kind of braking safety device for lifting device as described in claim 1, it is characterised in that: the driving mechanism
Including telescopic device, connector and connector, telescopic device is perpendicularly fixed in the vertical installation surface of pedestal, and telescopic device is defeated
Outlet is extended downwardly as the driving end of driving mechanism and is fixed with connector；One end of connector is connected with connector, the other end with
Guiding device located directly below is connected.
3. a kind of braking safety device for lifting device as claimed in claim 2, it is characterised in that: telescopic device is bullet
Spring formula single-acting cylinder, connector are the floating junction cooperated with telescopic device.
4. a kind of braking safety device for lifting device as described in claim 1, it is characterised in that: the guiding device
Including guide plate, sliding block, guide rail cushion block and guide rail, guide rail backing plate is mated formation in the vertical installation surface of pedestal；Guide rail is along flexible
The output end lifting direction of device is installed by guide rail pad surfaces；The guide plate is equipped with sliding block towards the end face of guide rail, and sliding
Block is slidably connected with guide rail, so that guide plate moves along a straight line under the drive of telescopic device along guide rail vertical direction.
5. a kind of braking safety device for lifting device as claimed in claim 4, it is characterised in that: on the guide plate
The strip groove that can cooperate with linkage equipped at least one, every strip groove correspond to a set of linkage, one end of strip groove
Extend to the edge of guide plate.
6. a kind of braking safety device for lifting device as claimed in claim 5, it is characterised in that: the linkage
Including connecting rod, cam pack and cantilever pin, the middle part of the connecting rod is hinged in the vertical installation surface of pedestal by cantilever pin, and
The second end of connecting rod is connected by connecting pin with corresponding clutch mechanism slip, and the first end of connecting rod is equipped with cam pack, and convex
The cam of wheel assembly is caught in corresponding strip groove, is realized that connecting rod and guide plate roll and is connected.
7. a kind of braking safety device for lifting device as claimed in claim 6, it is characterised in that: the clamp system
Including mounting portion and holding portion, wherein mounting portion is packed in the vertical installation surface of pedestal, the compression side in holding portion and installation
There are the clamping gaps for being caught in the track being vertically arranged between the compression side in portion；It holds subordinate portion tightly and the vertical of pedestal is put down
Face is hinged, and the second end of top and linkage is hinged, and the bottom in holding portion is equipped with for resisting the convex of the track being vertically arranged
It rises, so that holding portion is the center of circle in perpendicular or parallel with perpendicular around the hinged place for holding subordinate portion tightly under connecting rod drive
Plane rocking with adjust protrusion to track compaction degree.
8. a kind of braking safety device for lifting device as claimed in claim 7, it is characterised in that: the compression of mounting portion
The compression side in side and holding portion is clipped in track two sides, i.e., is caught in the clamping gap between mounting portion and holding portion corresponding
Track, and the swing of the second end with connecting rod adjust the compaction degree in the protrusion and track of holding portion bottom between.
9. a kind of braking safety device for lifting device as claimed in claim 8, it is characterised in that: the track is T
Type track, and the vertical portion of T-type track is caught in clamping gap.
10. a kind of braking safety device for lifting device as claimed in claim 7, it is characterised in that: the clamping
Mechanism is safe clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920042566.9U CN209455879U (en) | 2019-01-10 | 2019-01-10 | A kind of braking safety device for lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920042566.9U CN209455879U (en) | 2019-01-10 | 2019-01-10 | A kind of braking safety device for lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209455879U true CN209455879U (en) | 2019-10-01 |
Family
ID=68044220
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920042566.9U Active CN209455879U (en) | 2019-01-10 | 2019-01-10 | A kind of braking safety device for lifting device |
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| CN (1) | CN209455879U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592533A (en) * | 2019-01-10 | 2019-04-09 | 浙江杭可科技股份有限公司 | A kind of braking safety device for lifting device |
| CN113323352A (en) * | 2021-02-25 | 2021-08-31 | 湖南翰坤实业有限公司 | Building construction platform |
| CN113323351A (en) * | 2021-02-25 | 2021-08-31 | 湖南翰坤实业有限公司 | Attached electric construction platform |
| WO2024107145A1 (en) * | 2022-11-16 | 2024-05-23 | Fnss Savunma Si̇stemleri̇ A.Ş. | Three-axis working platform mechanical brake system |
-
2019
- 2019-01-10 CN CN201920042566.9U patent/CN209455879U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592533A (en) * | 2019-01-10 | 2019-04-09 | 浙江杭可科技股份有限公司 | A kind of braking safety device for lifting device |
| CN109592533B (en) * | 2019-01-10 | 2024-03-22 | 浙江杭可科技股份有限公司 | Safety brake device for lifting equipment |
| CN113323352A (en) * | 2021-02-25 | 2021-08-31 | 湖南翰坤实业有限公司 | Building construction platform |
| CN113323351A (en) * | 2021-02-25 | 2021-08-31 | 湖南翰坤实业有限公司 | Attached electric construction platform |
| WO2024107145A1 (en) * | 2022-11-16 | 2024-05-23 | Fnss Savunma Si̇stemleri̇ A.Ş. | Three-axis working platform mechanical brake system |
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