CN205709613U - Cat ladder climbs the brake structure of anti-fall power assisting device - Google Patents
Cat ladder climbs the brake structure of anti-fall power assisting device Download PDFInfo
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- CN205709613U CN205709613U CN201620564196.1U CN201620564196U CN205709613U CN 205709613 U CN205709613 U CN 205709613U CN 201620564196 U CN201620564196 U CN 201620564196U CN 205709613 U CN205709613 U CN 205709613U
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- ratchet
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- brake
- cat ladder
- rotating shaft
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Abstract
The utility model discloses a kind of cat ladder and climb the brake structure of anti-fall power assisting device, it is characterized in that: include ratchet, ratchet and cylinder；Ratchet is fixedly and coaxially connected with the rotating shaft of reel, reel be rotatably connected in mounting seat by rotating shaft and this reel rotating shaft also with drive motor output shaft drive connection, side adjacent with ratchet in this mounting seat is fixedly installed balance staff and projection seat；Ratchet is overall elongated and one end is the dog point for coordinating with ratchet, and the other end is promote-side；Ratchet entirety is swingable to be connected on balance staff, and on cylinder, the end away from piston rod is hinged in projection seat, and the outer end of piston rod is hinged with the promote-side of ratchet；Piston rod flexible can the promote-side of push-and-pull ratchet and the dog point of ratchet is abutted against with ratchet or away from；The pressure control loop of cylinder connects and has electromagnetic valve.Above-mentioned brake structure has simple and compact for structure, the advantage of reliable operation, be suitable for space the narrowest cat ladder climbing space in install and use.
Description
Technical field
This utility model belongs to cat ladder climbing fall-preventing protection device field, high-altitude, is specifically related to a kind of cat ladder and climbs anti-fall helping
The brake structure of power apparatus.
Background technology
Tower crane is a kind of crane gear the most frequently used on construction site.Before tower crane is operated, need climbing personnel
Climbed to the operating room being positioned at tower crane top by tower crane cat ladder.But, tower crane is typically up to dozens or even hundreds of rice so that tower
Hang operation and do not only belong to the work high above the ground with higher risk, the climbing of tower crane cat ladder simultaneously for climbing personnel muscle power and
Speech is also bigger test.
Climb the safety of personnel in order to ensure tower crane and climb tower crane cat ladder, notification number in prior art the most easily
For the patent of CN203946820U, disclose " a kind of building tower crane help climb safety ", this device include ascending stair, two pulleys,
One safety rope, a setting fastening rope, two safety fasteners and a balancing weight, ascending stair is vertically set on the side within building tower crane tower body；Two
Pulley is bearing in by gyroaxis on the tower stature on top, ascending stair top respectively, and two pulleys radial central planes overlap and with
Ascending stair cross bar is vertical；Keeper sling is wound in the groove of two pulleys, and its one end connects balancing weight, and the other end connects in the middle part of setting fastening rope；
Setting fastening rope be respectively arranged at two ends with safety fastener, the seat belt that wherein safety fastener can have with tower crane operative employee waist system interlocks
Knot, another safety fastener can buckle mutually with ascending stair cross bar.
Above-mentioned building tower crane helps climbs safety in use, and tower crane operative employee fastens above-mentioned safety rope, and at safety rope
Under the action of gravity of other end balancing weight so that the gravity of balancing weight constitute on power-assisted when climbing, therefore can the most easily to
Upper climbing cat ladder.
But above-mentioned building tower crane helps climbs safety and still have following weak point: balancing weight is unsettled setting, and easily
Occurring waving in high-altitude wind-engaging power effect, there is change in the traction force the most not only resulting in safety rope, and the balancing weight waved easily turns
Move the attention of climbing personnel, the safety of impact climbing.
Based on this, applicant considers that designing one can climb in power-assisted, anti-fall, better ensures that safety perpendicular of climbing
Anti-fall power assisting device climbed by ladder.This cat ladder is climbed anti-fall power-assisted and is included reel, mounting seat, driving motor and brake structure；Reel
Upper winding is provided with lifting rope, and lifting rope is for being interlockingly connected with cat ladder climbing personnel；Reel is connected to peace by rotating shaft rotatable support
On dress seat；Drive motor and brake structure to be all fixedly mounted in mounting seat, and the output shaft of driving motor is arbitrary with on reel
Be drive connection between root rotating shaft, between arbitrary with on reel rotating shaft of brake structure for braking be connected and can with lifting rope phase
The cat ladder climbing personnel of snapping fall the rotating speed of limit reel.
Above-mentioned cat ladder climbs anti-fall power assisting device can be when climbing personnel swash by driving motor band movable reel to rotate
There is provided and climb power-assisted；Stop the rotation of reel when climbing personnel fall, thus play anti-fall effect.But how to design one
Planting simple in construction, the brake structure of reliable operation is that those skilled in the art need consideration to solve the technical problem that.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of knot
Structure is simple, and it is that those skilled in the art need to consider to solve that the cat ladder of reliable operation climbs the brake structure of anti-fall power assisting device
Technical problem.
In order to solve above-mentioned technical problem, this utility model have employed following technical scheme:
Cat ladder climbs the brake structure of anti-fall power assisting device, it is characterised in that: include ratchet, ratchet and cylinder；
Described ratchet is fixedly and coaxially connected with the rotating shaft of reel, and described reel is rotatably connected in mounting seat by rotating shaft
And the rotating shaft of this reel also with drive the output shaft drive connection of motor, on side adjacent with described ratchet in this mounting seat
It is fixedly installed balance staff and projection seat；
Described ratchet is overall elongated and one end is the dog point for coordinating with ratchet, and the other end is promote-side；Institute
Stating that ratchet is overall swingable to be connected on described balance staff, on described cylinder, the end away from piston rod is hinged in described projection seat,
The outer end of described piston rod is hinged with the promote-side of described ratchet；The flexible of described piston rod can the pushing away of ratchet described in push-and-pull
Moved end and the dog point of described ratchet and described ratchet are abutted against or away from；
The pressure control loop of described cylinder connects and has electromagnetic valve.
Above-mentioned brake structure controls the action of cylinder piston rod by the break-make controlling electromagnetic valve, thus by the work of cylinder
Stopper rod drives the dog point of ratchet to abut against with ratchet, thus when climbing personnel fall, ratchet is carried out locking, stops it to hang
Rope continues to decline, and plays optimal climbing protection.Meanwhile, above-mentioned brake structure also has a simple in construction, compact advantage,
It is particluarly suitable in the cat ladder climbing space that space is the narrowest installing and using.
As preferably, described electromagnetic valve is arranged in described mounting seat.
So, the structure that can make this cat ladder anti-fall power assisting device of climbing is the compactest, is more suitable at cat ladder narrow
Space in install and use.
As preferably, described ratchet and described reel are fixedly and coaxially connected away from the rotating shaft driving motor one end.
So can make to drive motor and brake structure more away from, be more convenient for driving motor to fill with brake structure
Join.
As improvement, above-mentioned brake structure also includes the brake signal transfer structure being fixedly mounted in described mounting seat,
This brake signal transfer structure includes permanent magnetic DC speed-reducing motor and transmission cable；The rotary shaft of described permanent magnetic DC speed-reducing motor
It is connected with the axis of rotation of reel；The terminals of described permanent magnetic DC speed-reducing motor electrically connect with the input of described transmission cable
Connecing, the outfan of described transmission cable controls, with described electromagnetic valve, the electric current letter that end is electrically connected with and is used for exporting braking
Number.
The setting of above-mentioned brake signal transfer structure, permanent magnetic DC speed-reducing motor therein is connected with the axis of rotation of reel
(preferably employ belt or gear is attached), the rotation of such reel can drive the rotating shaft of permanent magnetic DC speed-reducing motor to rotate
And make it produce electric current, and this electric current can be by cable output the current signal as braking, this current signal can be straight
Connect for controlling electromagnetic valve.And this current signal normally to climb cat ladder climbing personnel be smaller value, only fall climbing personnel
Time current value can be made produced by permanent magnetic DC speed-reducing motor maximum, thus fast braking can be carried out by this current value.
To sum up, compared to using speed measurer to obtain the rotary speed information of reel in advance as brake signal, subsequently will
This brake signal sends controller (one in converter, PLC or single-chip microcomputer) to, and signal is processed by last via controller
After for the control process that will be braked again, above-mentioned brake signal transfer structure not only structure of the present utility model is the simplest, more
For reliably；The response speed of the full control process also have brake signal acquisition, transmitting and braking is the fastest, thus has higher
Security reliability.
Additionally, this permanent magnetic DC speed-reducing motor is only small generator, its generating voltage safety, it is possible to avoid electric shock wind
Danger.
It addition, the moment of torsion of permanent magnetic DC speed-reducing motor also be able under climb time resistance is provided, prevent from climbing under quickly so that climb
Climb safer.
As preferably, described brake signal transfer structure also includes the threading cylinder being fixed in mounting seat, described threading cylinder
One end adjacent to described permanent magnetic DC speed-reducing motor, the other end is adjacent to described brake structure；Described transmission cable is through described threading
Cylinder passes.
So, transmission cable can not only be supported and protect by above-mentioned threading cylinder.Also be more convenient for this practicality newly
Type is the quick layout of transmission cable when Assembling Production, thus improves production efficiency.
Cat ladder of the present utility model climbs the brake structure of anti-fall power assisting device, has simple and compact for structure, reliable operation
Advantage, be particluarly suitable for space-constrained climbing space in install and use.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that have employed the cat ladder of the present utility model anti-fall power assisting device of climbing.
Fig. 2 is that a kind of cat ladder of the present utility model anti-fall power assisting device of climbing that have employed is without structural representation during housing
Figure.
Fig. 3 is enlarged drawing at A in Fig. 2.
Fig. 4 is that a kind of cat ladder of the present utility model anti-fall power assisting device of climbing that have employed is without structural representation during housing
Figure.
Fig. 5 is enlarged drawing at B in Fig. 4.
Figure is labeled as:
1 lifting rope；
2 mounting seats；
3 housings；
4 permanent magnetic DC speed-reducing motors；
5 threading cylinders；
6 ratchets；
7 ratchets；
8 cylinders；
9 air motors；
10 electromagnetic valves.
Detailed description of the invention
Below in conjunction with a kind of accompanying drawing of the cat ladder of the present utility model anti-fall power assisting device of climbing that have employed to this utility model
It is described in further detail.Wherein, the exemplary term such as such as upper and lower, left and right are used for description, it is therefore intended that help
Reader understanding, and be not intended to limit.
It is the preferred embodiment 1 of the above-mentioned cat ladder anti-fall power assisting device of climbing as shown in Figures 1 to 5:
Above-mentioned cat ladder climbs anti-fall power assisting device, including reel, mounting seat 2, drives motor and brake structure；
Being wound around on described reel and be provided with lifting rope 1, described reel both ends of the surface evagination respectively is fixed with a rotating shaft, described volume
Cylinder is connected in described mounting seat 2 by rotating shaft rotatable support；
Described driving motor and brake structure are all fixedly mounted in described mounting seat 2, and the output of described driving motor
It is drive connection between arbitrary rotating shaft on axle and described reel, on described brake structure and described reel between arbitrary rotating shaft
Connect for braking and resistance can be provided when lifting rope 1 declines.
Above-mentioned cat ladder climbs anti-fall power assisting device before use, first mounting seat 2 is fixedly mounted on the horizontal of cat ladder top
On support bar.
When climbing cat ladder using above-mentioned cat ladder to climb on anti-fall power assisting device: first, start and drive motor to make it drive volume
Cylinder rotates and transfers lifting rope 1 lower end near floor level, the extension on seat belt will worn with lifting rope 1 lower end and climbing personnel
Hook is interlockingly connected；Subsequently, start and drive motor to make it drive reel to climb on promoting lifting rope 1 and starting, so can give climbing
Climbing personnel provide a constant power-assisted upwards, thus help climbing personnel the lightest quickly on climb cat ladder.Finally, on
Climb to when being positioned at the operation at cat ladder top outside time, close and drive motor.
When climbing cat ladder using above-mentioned cat ladder to climb under anti-fall power assisting device: drive motor to be closed.Lower climbing
Climb meeting tractive lifting rope 1 under personnel and overcome the resistance of brake structure.This resistance can not only climb speed to pining down down, prevented
Climb under Kuai, thus climb safety under improving；Falling speed can also be slowed down so that the personnel that fall can weigh when accidentally falling
New quickly catch cat ladder, effective anti-falling stop to die the generation of accident, improve the safety of cat ladder climbing.
Additionally, above-mentioned cat ladder climb anti-fall power assisting device in use, either on climb or under climb, lifting rope 1 is the most quiet
Only (tight) is above (afterwards) of climbing personnel, is difficult to cause the attention of climbing personnel, so can make the climbing personnel can
More it is absorbed in careful climbing, promotes the safety of climbing.
Wherein, above-mentioned cat ladder is climbed anti-fall power assisting device and is also included the housing 3 with inner chamber, described reel, mounting seat 2,
Motor and brake structure is driven to be fixed in described inner chamber；The lower surface of described housing 3 has for wearing that described lifting rope 1 passes
Hole；The upper surface of described housing 3 is fixedly installed for fixing the mounting structure being connected with transverse support bar.
The setting of above-mentioned housing 3, it is possible to preferably stop that the airborne dust of job site enters to inner chamber so that inner chamber has more
Excellent running environment, helping above-mentioned cat ladder to climb anti-fall power assisting device can run the most reliably and use.
During enforcement, described mounting structure can use any one in suspension ring or the hooping structure that docked by bolt, all
The connection between mounting structure and transverse support bar can be made the most more convenient and the most firm.
Wherein, above-mentioned cat ladder climbs the brake signal that anti-fall power assisting device also includes being fixedly mounted in described mounting seat 2
Transfer structure, this brake signal transfer structure includes permanent magnetic DC speed-reducing motor 4 and transmission cable；Described permanent magnetic DC speed-reducing electricity
The rotary shaft of machine 4 is connected with the axis of rotation of reel；The terminals of described permanent magnetic DC speed-reducing motor 4 and described transmission cable
Input is electrically connected with, and described transmission cable is for exporting the current signal of braking.
The setting of above-mentioned brake signal transfer structure, permanent magnetic DC speed-reducing motor therein is connected with the axis of rotation of reel
(preferably employ belt or gear is attached), the rotation of such reel can drive the rotating shaft of permanent magnetic DC speed-reducing motor to rotate
And make it produce electric current, and this electric current can be by cable output the current signal as braking, this current signal can be straight
Connect for controlling electromagnetic valve.And this current signal normally to climb cat ladder climbing personnel be smaller value, only fall climbing personnel
Time current value can be made produced by permanent magnetic DC speed-reducing motor maximum, thus fast braking can be carried out by this current value.
To sum up, compared to using speed measurer to obtain the rotary speed information of reel in advance as brake signal, subsequently will
This brake signal sends controller (one in converter, PLC or single-chip microcomputer) to, and signal is processed by last via controller
After for the control process that will be braked again, above-mentioned brake signal transfer structure not only structure is the simplest, the most reliably；Also have
The full response speed controlling process that brake signal obtains, transmits and brakes is the fastest, thus has higher security reliability.
Additionally, this permanent magnetic DC speed-reducing motor is only small generator, its generating voltage safety, it is possible to avoid electric shock wind
Danger.
It addition, the moment of torsion of permanent magnetic DC speed-reducing motor also be able under climb time resistance is provided, prevent from climbing under quickly so that climb
Climb safer.
Wherein, described brake signal transfer structure also includes the threading cylinder 5 being fixed in mounting seat 2, described threading cylinder 5
One end is adjacent to described permanent magnetic DC speed-reducing motor 4, and the other end is adjacent to described brake structure；Described transmission cable is through described threading cylinder
5 pass.
So, transmission cable can not only be supported and protect by above-mentioned threading cylinder 5.Also it is more convenient for raw in assembling
The quick layout of transmission cable during product, thus improve production efficiency.
During enforcement, the most described permanent magnetic DC speed-reducing motor 4, brake structure and threading cylinder 5 are positioned at the downside of mounting seat 2.
So the cabling that can make transmission cable is shorter, effectively saves cable consumption.
Wherein, described brake structure (being this utility model) includes ratchet 6, ratchet 7 and cylinder 8；
Described ratchet 6 is fixedly and coaxially connected with the rotating shaft of described reel；The described mounting seat 2 adjacent with described ratchet 6
Balance staff and projection seat it is fixedly installed on side；Described ratchet 7 is overall elongated and one end is the braking for coordinating with ratchet 6
End, the other end is promote-side；Described ratchet 7 entirety is swingable to be connected on described balance staff, away from piston rod on described cylinder 8
End is hinged in described projection seat, and the outer end of described piston rod is hinged with the promote-side of described ratchet 7；Stretching of described piston rod
Contracting can the promote-side of ratchet 7 described in push-and-pull and the dog point of described ratchet 7 is abutted against with described ratchet 6 or away from；
The pressure control loop of described cylinder 8 connects and has electromagnetic valve 10, the control end of described electromagnetic valve 10 and described biography
The outfan of transmission cable is electrically connected with.
Above-mentioned brake structure can use the current signal of brake signal transfer structure can control electromagnetic valve 10 and make to live
Stopper rod drives the dog point of ratchet 7 to abut against with described ratchet 6, thus when climbing personnel fall, ratchet 6 is carried out locking, resistance
Only its lifting rope 1 continues to decline, and plays optimal climbing protection.
During enforcement, the most described ratchet 6 and described reel are fixedly and coaxially connected away from the rotating shaft driving motor one end.This
Sample can make to drive motor and brake structure more away from, be more convenient for driving motor to assemble with brake structure.
Wherein, described electromagnetic valve 10 is arranged in described mounting seat 2.
So, the structure that can make this cat ladder anti-fall power assisting device of climbing is the compactest, is more suitable at cat ladder narrow
Space in install and use.
Wherein, described driving motor is air motor 9.
So, air motor 9 and cylinder 8 share an appendix as pressure control loop so that overall
Structure more simplifies, thus is more convenient for installing and using at the scene.
Additionally, use air motor 9 not only to have overload protective function, also will not break down because of overload.Because of in mistake
During load (when climbing personnel fall), air motor 9 simply rotating speed reduces or stops (the most anti-fall), when overload releases, immediately
Can again run well, not produce the faults such as parts damage.Can be fully loaded with for a long time and continuously run, temperature rise is less.
As long as it addition, use air motor 9 to control intake valve or the aperture of air bleeding valve, i.e. controlling compressed-air actuated flow,
Output and rotating speed with regard to energy governor motor.Just can reach regulation rotating speed and the purpose of power, thus better adapt to have
Different climbing speed and the climbing personnel of weight.
During enforcement, preferably this driving motor is controlled by other climbing personnel of non-climbing personnel.Can will drive motor
Control in the control chamber that switch is arranged in ground, or use Digiplex to be controlled.So can reduce climbing
The operation of personnel, it is ensured that climbing personnel can be absorbed in and climb, improves the safety of climbing.
During enforcement, the most above-mentioned cat ladder is climbed anti-fall power assisting device and is also included wireless control module and be used in combination
Digiplex；Wherein, described wireless control module is fixedly mounted in described mounting seat 2, and this wireless control module and system
The control end of the electromagnetic valve 10 used in dynamic structure and driving motor is respectively connected with.So, can on ground easily
Use Digiplex to control this cat ladder and climb anti-fall power assisting device.
During enforcement, at the outer end of lifting rope, preferably set up flexible counterweight block, balancing weight concatenation is fixed on lifting rope.So
One, this flexible counterweight block can increase heavy burden during lifting rope zero load, thus can overcome twining of lifting rope by flexible counterweight block
Around frictional force, lifting rope is promoted also to be able to fall to smoothly ground when zero load, consequently facilitating next bit climbing personnel quickly climb.
Visible, the setting of above-mentioned flexible counterweight block, it is more suitable for many people and climbs cat ladder successively, it is possible to climb process for many people and guarantor is provided
Protect.Additionally, the outer wrap of flexible counterweight block namely balancing weight arranges the protection set of softness, prevented by the protection set of this softness
Only balancing weight is wounded climbing personnel by mistake.
During enforcement, preferably above-mentioned cat ladder climb the rotating shaft of reel in anti-fall power assisting device with the output shaft driving motor it
Between clutch mechanism is set.So, can transfer to during to ground in lifting rope outer end, clutch mechanism can be cut automatically
Disconnected power, prevents (because artificial maloperation reason causes) lifting rope from disturbing in reel.So, the lifting process of lifting rope can be made more
For the most reliable.
Embodiment 2:
It is with above-described embodiment 1 difference: described brake structure includes rotary damper (not shown)；Described
The rotary shaft of rotary damper is connected with the axis of rotation of described reel.
Rotary damper can be according to the change of reel rotary speed so that the moment of torsion of self changes the most therewith.Its change
Rule is: drum speed is the fastest, and moment of torsion is the biggest.Drum speed is the slowest, and moment of torsion is the least.
Statistics shows: climbing personnel climb process the most up and down and all tend at the uniform velocity (about 1 metre per second (m/s)), so, on
Stating cat ladder and climb anti-fall power assisting device in use, wherein the moment of torsion of rotary damper is steady state value, will not be to climbing process structure
Become considerable influence.But the situation that climbing personnel fall once occurs, now can accelerate the rotating speed of reel, above-mentioned rotary damper meeting
Along with the lifting of drum speed increases moment of torsion, slow down the rotating speed of reel, thus slow down the falling speed of the personnel that fall so that it is have
The more time regains one's grip on cat ladder to return safe condition.
During enforcement, the most described rotary damper is one-way damper, the rotary shaft of this rotary damper by belt or
Gear is connected with the rotating shaft of reel.
Embodiment 3:
It is with above-described embodiment 1 difference: described brake structure includes permanent magnet brake (not shown), described
The rotary shaft of permanent magnet brake is connected with the axis of rotation of described reel.
Permanent magnet brake is with above-mentioned rotary damper difference: the braking torque of permanent magnet brake is adjustable perseverance
Definite value.So can be adjusted according to the actual requirements, use the most flexible.
During enforcement, the preferably rotary shaft of this permanent magnet brake is connected with the rotating shaft of reel by belt or gear.
Embodiment 4:
It is with above-described embodiment 1 difference: described brake structure includes brake, wheel hub and electromagnetic valve, wherein, institute
Stating brake is disk brake (not shown)；Described wheel hub is coaxially fixedly mounted on described reel away from driving motor one
In the rotating shaft of end, the brake disc of described brake is fixing with described wheel hub to be connected, and described brake is arranged in brake fluid pipeline
There is described electromagnetic valve, the outfan electric connection controlling end and described transmission cable of this electromagnetic valve.
Above-mentioned brake structure can utilize rapid heat dissipation that disk brake had, lightweight, simple structure, easy to adjust
The advantage stable with braking effect preferably prevents climbing from falling, it is ensured that the safety of climbing.
During enforcement, this brake also can be selected for drum brake, and when brake, to be that drum brake can realize equally above-mentioned
Cat ladder climbs the braking purpose needed for anti-fall power assisting device.
Below be only this utility model preferred embodiment, need to point out be, for those skilled in the art without departing from
On the premise of the technical program, it is also possible to make some deformation and improvement, the technical scheme of above-mentioned deformation and improvement should regard equally
For falling into the scope that this application claims.
Claims (5)
1. cat ladder climbs the brake structure of anti-fall power assisting device, it is characterised in that: include ratchet, ratchet and cylinder；
Described ratchet is fixedly and coaxially connected with the rotating shaft of reel, and described reel is rotatably connected in mounting seat by rotating shaft and should
The rotating shaft of reel also with drive the output shaft drive connection of motor, fixing on side adjacent with described ratchet in this mounting seat set
It is equipped with balance staff and projection seat；
Described ratchet is overall elongated and one end is the dog point for coordinating with ratchet, and the other end is promote-side；Described spine
Pawl entirety is swingable to be connected on described balance staff, and on described cylinder, the end away from piston rod is hinged in described projection seat, described
The outer end of piston rod is hinged with the promote-side of described ratchet；The flexible of described piston rod can the promote-side of ratchet described in push-and-pull
And the dog point of described ratchet and described ratchet are abutted against or away from；
The pressure control loop of described cylinder connects and has electromagnetic valve.
Brake structure the most according to claim 1, it is characterised in that: described electromagnetic valve is arranged in described mounting seat.
Brake structure the most according to claim 1, it is characterised in that: away from driving motor on described ratchet and described reel
The rotating shaft of one end is fixedly and coaxially connected.
Brake structure the most according to claim 1, it is characterised in that: also include the system being fixedly mounted in described mounting seat
Dynamic signal transfer structure, this brake signal transfer structure includes permanent magnetic DC speed-reducing motor and transmission cable；Described DC
The rotary shaft of reducing motor is connected with the axis of rotation of reel；The terminals of described permanent magnetic DC speed-reducing motor and described transmission electricity
The input of cable is electrically connected with, and the outfan of described transmission cable is electrically connected with the control end of described electromagnetic valve and is used for exporting
The current signal of braking.
Brake structure the most according to claim 4, it is characterised in that: described brake signal transfer structure also includes being fixed on
Threading cylinder in mounting seat, one end of described threading cylinder is adjacent to described permanent magnetic DC speed-reducing motor, and the other end is adjacent to described braking
Structure；Described transmission cable passes through described threading cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564196.1U CN205709613U (en) | 2016-06-13 | 2016-06-13 | Cat ladder climbs the brake structure of anti-fall power assisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564196.1U CN205709613U (en) | 2016-06-13 | 2016-06-13 | Cat ladder climbs the brake structure of anti-fall power assisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205709613U true CN205709613U (en) | 2016-11-23 |
Family
ID=57302599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620564196.1U Active CN205709613U (en) | 2016-06-13 | 2016-06-13 | Cat ladder climbs the brake structure of anti-fall power assisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205709613U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069541A (en) * | 2017-03-28 | 2017-08-18 | 河南工业职业技术学院 | A kind of overhead transmission line maintenance unit |
| CN110304545A (en) * | 2019-07-05 | 2019-10-08 | 河南恒远恒山工业有限公司 | One kind is lower to rotate electromagnetic bridge crane |
| CN114602078A (en) * | 2022-03-14 | 2022-06-10 | 江西正强电瓷电器有限公司 | Electric power iron tower high altitude construction anti-falling device of reverse locking function |
-
2016
- 2016-06-13 CN CN201620564196.1U patent/CN205709613U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069541A (en) * | 2017-03-28 | 2017-08-18 | 河南工业职业技术学院 | A kind of overhead transmission line maintenance unit |
| CN107069541B (en) * | 2017-03-28 | 2018-05-29 | 河南工业职业技术学院 | A kind of overhead transmission line maintenance unit |
| CN110304545A (en) * | 2019-07-05 | 2019-10-08 | 河南恒远恒山工业有限公司 | One kind is lower to rotate electromagnetic bridge crane |
| CN114602078A (en) * | 2022-03-14 | 2022-06-10 | 江西正强电瓷电器有限公司 | Electric power iron tower high altitude construction anti-falling device of reverse locking function |
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