CN205676065U - The anti-fall power assisting device of cat ladder climbing - Google Patents

The anti-fall power assisting device of cat ladder climbing Download PDF

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Publication number
CN205676065U
CN205676065U CN201620569796.7U CN201620569796U CN205676065U CN 205676065 U CN205676065 U CN 205676065U CN 201620569796 U CN201620569796 U CN 201620569796U CN 205676065 U CN205676065 U CN 205676065U
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China
Prior art keywords
climbing
cat ladder
reel
brake
assisting device
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Withdrawn - After Issue
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CN201620569796.7U
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Chinese (zh)
Inventor
魏奇科
王维说
王振强
宋春芳
王永超
廖小辉
李智能
刘赫凯
狄佳
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China Metallurgical Construction Engineering Group Co Ltd
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China Metallurgical Construction Engineering Group Co Ltd
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Priority to CN201620569796.7U priority Critical patent/CN205676065U/en
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Abstract

The utility model discloses the anti-fall power assisting device of a kind of cat ladder climbing, it is characterised in that: include reel, mounting seat, drive motor and brake structure;Being wound around on described reel and being provided with lifting rope, described lifting rope is for being interlockingly connected with cat ladder climbing personnel;Described reel both ends of the surface evagination respectively is fixed with a rotating shaft, and described reel is connected in described mounting seat by rotating shaft rotatable support;Described drive motor and brake structure are all fixedly mounted in described mounting seat, and be drive connection between arbitrary rotating shaft on the output shaft of described drive motor and described reel, described brake structure is connected for braking between arbitrary rotating shaft with on described reel and can when falling with the cat ladder climbing personnel that lifting rope is interlockingly connected offer brake force.The utility model cat ladder anti-fall power assisting device of climbing has simple and reasonable, easy to operate, uses safe advantage, can be preferably climbing personnel's power-assisted and anti-fall, be suitable for promoting the use of in this area.

Description

The anti-fall power assisting device of cat ladder climbing
Technical field
The 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 Power apparatus.
Background technology
Tower crane is a kind of crane gear the most frequently used on construction site.Before operating tower crane, 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 more easily For the patent of CN203946820U, disclose " a kind of building tower crane help climb safeties ", 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 safety belt that wherein safety fastener can have with tower crane operative employee waist system interlocks Knot, another safety fastener can buckle with ascending stair cross bar phase.
Above-mentioned building tower crane helps climbs safeties in use, and tower crane operative employee fastens above-mentioned safety rope, and at safety rope Under the Action of Gravity Field of other end balancing weight so that the gravity of balancing weight constitute on power-assisted when climbing, therefore can more easily to Upper climbing cat ladder.
But above-mentioned building tower crane helps climbs safeties 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 so not only resulting in safety rope, and the balancing weight waving easily turns Move the notice of climbing personnel, the security of impact climbing.
Based on this, applicant considers that design one can be climbed in power-assisted, anti-fall, better ensures that security perpendicular of climbing The anti-fall power assisting device of ladder climbing.
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 energy Climb in enough power-assisteds, anti-fall, better ensure that the anti-fall power assisting device of cat ladder climbing of the security of climbing.
In order to solve above-mentioned technical problem, the utility model have employed following technical scheme:
The anti-fall power assisting device of cat ladder climbing, it is characterised in that: include reel, mounting seat, drive motor and brake structure;
Being wound around on described reel and being provided with lifting rope, described lifting rope is for being interlockingly connected with cat ladder climbing personnel;Described reel two End face evagination respectively is fixed with a rotating shaft, and described reel is connected in described mounting seat by rotating shaft rotatable support;
Described drive motor and brake structure are all fixedly mounted in described mounting seat, and the output shaft of described drive motor And it is drive connection between arbitrary rotating shaft on described reel, described brake structure and described reel between arbitrary rotating shaft are Braking connect and can the cat ladder climbing personnel being interlockingly connected with lifting rope fall limit reel rotating speed and to reel system Dynamic.
Mounting seat before use, is first fixedly mounted on laterally propping up of cat ladder top by the anti-fall power assisting device of above-mentioned cat ladder climbing On strut.
Use climb cat ladder on the utility model when: first, starting drive motor makes it drive reel to rotate and transfer to hang Lifting rope lower end, near floor level, is interlockingly connected by rope lower end with the hook on the safety belt worn with climbing personnel;Subsequently, open Dynamic drive motor makes it drive reel to climb on promoting lifting rope and starting, and provides a perseverance so can to the climbing personnel of climbing Power-assisted in orientation, thus help climbing personnel more light quickly on climb cat ladder.Finally, above climb to being positioned at cat ladder top During operation during outside, close drive motor.
When climbing cat ladder under using the utility model: drive motor is closed.Climbing under lower climbing personnel can tractive Lifting rope the resistance overcoming brake structure.This resistance can not only climb speed to pining down down, prevent too fast under climb, thus improve Under climb security;Falling speed can also be slowed down when accidentally falling so that the personnel that fall can quickly catch cat ladder again, Effective anti-falling stop is died the generation of accident, improves the security of cat ladder climbing.
Additionally, the utility model is in use, either on climb or under climb, lifting rope almost static (tight) climbing people It above (afterwards) of member, is difficult to cause the attention of climbing personnel, so can make the climbing personnel can more absorbed careful climbing Climb, promote the security of climbing.
Preferred as one, described brake structure includes rotary damper;The rotary shaft of described rotary damper with described The axis of rotation of reel connects.
Rotary damper can be according to the change of reel rotary speed so that the moment of torsion of self also changes therewith.Its change Rule is: drum speed is faster, and moment of torsion is also bigger.Drum speed is slower, and moment of torsion is less.
Statistics shows: climbing personnel normally climb process up and down and all tend at the uniform velocity (about 1 metre per second (m/s)), so, on Stating the anti-fall power assisting device of cat ladder climbing 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 As 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.
Preferred as another kind, described brake structure includes permanent magnet brake, the rotary shaft of described permanent magnet brake and institute The axis of rotation stating reel connects.
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 more flexible.
As improvement, the anti-fall power assisting device of above-mentioned cat ladder climbing also includes the housing with inner chamber, described reel, installation Seat, drive motor and brake structure are fixed in described inner chamber;The lower surface of described housing has for wearing that described lifting rope passes Hole;The upper surface of described housing is fixedly installed for fixing the mounting structure being connected with transverse support bar.
The setting of above-mentioned housing, can preferably stop that the airborne dust of job site enters to inner chamber so that inner chamber has more Excellent running environment, helps the utility model persistently can run reliably and use.
As improvement, the anti-fall power assisting device of above-mentioned cat ladder climbing also includes the braking letter being fixedly mounted in described mounting seat Number transfer structure, this brake signal transfer structure includes permanent magnetic DC speed-reducing motor and transmission cable;Described permanent magnetic DC speed-reducing The rotary shaft of motor is connected with the axis of rotation of reel;The terminals of described permanent magnetic DC speed-reducing motor 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 magnetic valve.And this current signal normally to climb cat ladder climbing personnel be smaller value, only fall climbing personnel When 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 frequency 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 also with the full control 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 can be avoided that electric shock wind Danger.
In addition, the moment of torsion of permanent magnetic DC speed-reducing motor also can under climb when resistance is provided, prevent quick under climb so that climb Climb safer.
As improvement, 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 The quick arrangement of type transmission cable when Assembling Production, thus improve production efficiency.
Preferred as another kind, described brake structure includes brake, wheel hub and magnetic valve, and wherein, described brake is Disk brake;Described wheel hub is coaxially fixedly mounted in the rotating shaft away from drive motor one end for the described reel, described brake Brake disc and described wheel hub fixing be connected, described brake is provided with in brake fluid pipeline described magnetic valve, this magnetic valve The output of control end and described transmission cable be electrically connected with.
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 security of climbing.
Preferred as another kind, described brake structure includes ratchet, ratchet and cylinder;
Described ratchet is fixedly and coaxially connected with the rotating shaft of described reel;The side of the described mounting seat adjacent with described ratchet On be fixedly installed balance staff and projection seat;The overall elongated and one end of described ratchet is the dog point for coordinating with ratchet, separately One end is promote-side;Described ratchet entirety is swingable to be connected on described balance staff, and on described cylinder, the end away from piston rod is cut with scissors Being connected 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 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 is connected with magnetic valve, the control end of described magnetic valve and described transmission cable Output be electrically connected with.
Above-mentioned brake structure can use the current signal of brake signal transfer structure i.e. can control magnetic valve and make piston Bar drives the dog point of ratchet to abut against with described ratchet, thus carries out locking when climbing personnel fall to ratchet, stops it Lifting rope continues to decline, and plays optimal climbing protection.
As preferably, described magnetic valve is arranged in described mounting seat.
So, the structure that can make the anti-fall power assisting device of this cat ladder climbing is more compact, is more suitable at cat ladder narrow Space in install and use.
As preferably, described drive motor is air motor.
So, air motor and cylinder share an appendix as pressure control loop so that overall knot Structure more simplifies, thus is more convenient for installing and using at the scene.
Additionally, use air motor not only to have overload protective function, also will not break down because of overload.Because of in overload When (when climbing personnel fall), air motor be rotating speed reduce or stop (preferably anti-fall), when overload release, be immediately available for Again run well, do 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 in addition, use the aperture of air motor control intake valve or air bleeding valve, i.e. controlling compressed-air actuated flow, just Power output and the rotating speed of motor can be regulated.Just can reach regulation rotating speed and the purpose of power, thus better adapt to have not Climbing personnel with climbing speed and weight.
The utility model cat ladder anti-fall power assisting device of climbing has simple and reasonable, easy to operate, uses safe excellent Point, can be suitable for promoting the use of in this area preferably for cat ladder climbing personnel's power-assisted and anti-fall.Additionally, it is of the present utility model The anti-fall power assisting device of cat ladder climbing, is particluarly suitable on tower crane cat ladder using, and other have the occasion of cat ladder (such as vertical shaft or chimney Deng) all can obtain preferably to help and climb anti-fall effect.
Brief description
Fig. 1 is the structural representation of the anti-fall power assisting device of the utility model cat ladder climbing.
Fig. 2 is that the anti-fall power assisting device of the utility model cat ladder climbing is without structural representation during housing.
Fig. 3 is enlarged drawing at A in Fig. 2.
Fig. 4 is that the anti-fall power assisting device of the utility model cat ladder climbing is without structural representation during housing.
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 magnetic valves.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.Wherein, for describe use all as above, Under, the exemplary term such as left and right, it is therefore intended that help reader understanding, and be not intended to limit.
It is the utility model preferred embodiment 1 as shown in Figures 1 to 5:
The anti-fall power assisting device of cat ladder climbing, including reel, mounting seat the 2nd, drive motor and brake structure;
Being wound around on described reel and being 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 drive motor and brake structure are all fixedly mounted in described mounting seat 2, and the output of described drive 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.
Mounting seat 2 before use, is first fixedly mounted on the horizontal of cat ladder top by the anti-fall power assisting device of above-mentioned cat ladder climbing On support bar.
Use climb cat ladder on the utility model when: first, starting drive motor makes it drive reel to rotate and transfer to hang Lifting rope 1 lower end, near floor level, is interlockingly connected by 1 lower end of restricting with the hook on the safety belt worn with climbing personnel;Subsequently, Starting drive motor makes it drive reel to climb on promoting lifting rope 1 and starting, and provides one so can to the climbing personnel of climbing Individual constant power-assisted upwards, thus help climbing personnel more light quickly on climb cat ladder.Finally, above climb to being positioned at cat ladder top During the operation in portion outside when, close drive motor.
When climbing cat ladder under using the utility model: drive motor is closed.Climbing under lower climbing personnel can tractive Lifting rope 1 resistance overcoming brake structure.This resistance can not only climb speed to pining down down, prevent too fast under climb, thus carry Relative superiority or inferiority climbs security;Falling speed can also be slowed down when accidentally falling so that the personnel that fall can quickly catch perpendicular again Ladder, effective anti-falling stop is died the generation of accident, improves the security of cat ladder climbing.
Additionally, the utility model is in use, either on climb or under climb, lifting rope 1 almost static (tight) climbing (afterwards) top of personnel, is difficult to cause the attention of climbing personnel, so can make the climbing personnel can be more absorbed careful Climbing, promotes the security of climbing.
Wherein, the anti-fall power assisting device of above-mentioned cat ladder climbing also includes the housing 3 with inner chamber, and described reel, mounting seat are the 2nd, Drive motor and brake structure are 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, can preferably stop that the airborne dust of job site enters to inner chamber so that inner chamber has more Excellent running environment, helps the utility model persistently can run 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 not only more convenient, and more firm.
Wherein, the anti-fall power assisting device of above-mentioned cat ladder climbing also includes the brake signal 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 magnetic valve.And this current signal normally to climb cat ladder climbing personnel be smaller value, only fall climbing personnel When 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 frequency 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 also with the full control 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 can be avoided that electric shock wind Danger.
In addition, the moment of torsion of permanent magnetic DC speed-reducing motor also can under climb when resistance is provided, prevent quick under climb 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 be more convenient for this practicality newly The quick arrangement of type transmission cable when Assembling Production, thus improve production efficiency.
During enforcement, preferably described permanent magnetic DC speed-reducing motor the 4th, 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 includes ratchet the 6th, 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 It is fixedly installed balance staff and projection seat on side;The overall elongated and one end of described ratchet 7 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 be capable of the promote-side of ratchet 7 described in push-and-pull and the dog point of described ratchet 7 and described ratchet 6 are abutted against or away from;
The pressure control loop of described cylinder 8 is connected with magnetic valve 10, the control end of described magnetic valve 10 and described biography The output of transmission cable is electrically connected with.
Above-mentioned brake structure can use the current signal of brake signal transfer structure i.e. can control magnetic valve 10 and make to live Stopper rod drives the dog point of ratchet 7 to abut against with described ratchet 6, thus carries out locking when climbing personnel fall to ratchet 6, resistance Only its lifting rope 1 continues to decline, and plays optimal climbing protection.
During enforcement, the rotating shaft away from drive motor one end on preferably described ratchet 6 and described reel is fixedly and coaxially connected.This Sample can make drive motor and brake structure more away from being more convenient for assembling drive motor with brake structure.
Wherein, described magnetic valve 10 is arranged in described mounting seat 2.
So, the structure that can make the anti-fall power assisting device of this cat ladder climbing is more compact, is more suitable at cat ladder narrow Space in install and use.
Wherein, described drive 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 (preferably 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 in addition, use the aperture of air motor 9 control intake valve or air bleeding valve, i.e. controlling compressed-air actuated flow, Just can regulate power output and the rotating speed of 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 drive motor is controlled by other climbings personnel of non-climbing personnel.Can be by drive motor Control switch is arranged in the control cabinet on ground, or uses 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 security of climbing.
During enforcement, the preferably above-mentioned cat ladder anti-fall power assisting device of climbing also includes wireless control module and is 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 magnetic valve 10 used in dynamic structure and drive motor is respectively connected with.So, can on ground easily Digiplex is used to control the anti-fall power assisting device of this cat ladder climbing.
During enforcement, at the outer end of lifting rope, preferably set up flexible counterweight block, be fixed on balancing weight concatenation 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, promote lifting rope also can fall to ground smoothly 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 climb cat ladder successively, can climb process for many people provides guarantor Protect.Additionally, the outer wrap of flexible counterweight block namely balancing weight arranges soft protection set, prevented by the protection set of this softness Only balancing weight is wounded climbing personnel by mistake.
During enforcement, preferably in the above-mentioned cat ladder anti-fall power assisting device of climbing rotating shaft and the drive motor of reel output shaft 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 persistently reliably.
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 also changes therewith.Its change Rule is: drum speed is faster, and moment of torsion is also bigger.Drum speed is slower, and moment of torsion is less.
Statistics shows: climbing personnel normally climb process up and down and all tend at the uniform velocity (about 1 metre per second (m/s)), so, on Stating the anti-fall power assisting device of cat ladder climbing 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 As 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, preferably described rotary damper is one-way damper, the rotary shaft of this rotary damper pass through 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 more 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 magnetic valve, wherein, institute Stating brake is disk brake (not shown);Described wheel hub is coaxially fixedly mounted on described reel away from drive 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 Having described magnetic valve, the control end of this magnetic valve and the output of described transmission cable are electrically connected with.
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 security of climbing.
During enforcement, this brake also can be selected for drum brake, when brake is that drum brake can realize this reality equally By novel required braking purpose.
Below be only the 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, can also make some deformation and improve, above-mentioned deformation and improved technical scheme should regard equally For falling into the scope that this application claims.

Claims (10)

1. the anti-fall power assisting device of cat ladder climbing, it is characterised in that: include reel, mounting seat, drive motor and brake structure;
Being wound around on described reel and being provided with lifting rope, described lifting rope is for being interlockingly connected with cat ladder climbing personnel;Described reel both ends of the surface Evagination is fixed with a rotating shaft respectively, and described reel is connected in described mounting seat by rotating shaft rotatable support;
Described drive motor and brake structure are all fixedly mounted in described mounting seat, and the output shaft of described drive motor and institute Stating on reel is drive connection between arbitrary rotating shaft, for braking between arbitrary rotating shaft on described brake structure and described reel Connect and the rotating speed of the limit reel that can fall the cat ladder climbing personnel being interlockingly connected with lifting rope.
2. the anti-fall power assisting device of cat ladder according to claim 1 climbing, it is characterised in that: described brake structure includes rotating Damper;The rotary shaft of described rotary damper is connected with the axis of rotation of described reel.
3. the anti-fall power assisting device of cat ladder according to claim 1 climbing, it is characterised in that: described brake structure includes permanent magnetism Brake, the rotary shaft of described permanent magnet brake is connected with the axis of rotation of described reel.
4. the anti-fall power assisting device of cat ladder according to claim 1 climbing, it is characterised in that: also include the shell with inner chamber Body, described reel, mounting seat, drive motor and brake structure are fixed in described inner chamber;The lower surface of described housing has confession The perforation that described lifting rope passes;The upper surface of described housing is fixedly installed for fixing the installation knot being connected with transverse support bar Structure.
5. the anti-fall power assisting device of cat ladder according to claim 1 climbing, it is characterised in that: also include being fixedly mounted on described Brake signal transfer structure in mounting seat, this brake signal transfer structure includes permanent magnetic DC speed-reducing motor and transmission cable; The described rotary shaft of permanent magnetic DC speed-reducing motor is connected with the axis of rotation of reel;The terminals of described permanent magnetic DC speed-reducing motor Being electrically connected with the input of described transmission cable, described transmission cable is for exporting the current signal of braking.
6. the anti-fall power assisting device of cat ladder according to claim 5 climbing, it is characterised in that: described brake signal transfer structure Also including the threading cylinder being fixed in mounting seat, one end of described threading cylinder is adjacent to described permanent magnetic DC speed-reducing motor, the other end Neighbouring described brake structure;Described transmission cable passes through described threading cylinder.
7. the anti-fall power assisting device of cat ladder according to claim 5 climbing, it is characterised in that: described brake structure includes braking Device, wheel hub and magnetic valve, wherein, described brake is disk brake;It is remote that described wheel hub is coaxially fixedly mounted on described reel In the rotating shaft of drive motor one end, the brake disc of described brake is fixing with described wheel hub to be connected, and described brake is braked Being provided with described magnetic valve in liquid pipeline, the control end of this magnetic valve and the output of described transmission cable are electrically connected with.
8. the anti-fall power assisting device of cat ladder according to claim 5 climbing, it is characterised in that: described brake structure includes spine Wheel, ratchet and cylinder;
Described ratchet is fixedly and coaxially connected with the rotating shaft of described reel;On the side of the described mounting seat adjacent with described ratchet admittedly Surely it is provided with balance staff and projection seat;The overall elongated and one end of described ratchet is the dog point for coordinating with ratchet, the other end For promote-side;Described ratchet entirety is swingable to be connected on described balance staff, and on described cylinder, the end away from piston rod is hinged on 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 push-and-pull The promote-side of described ratchet and the dog point of described ratchet and described ratchet are abutted against or away from;
Being connected with magnetic valve in the pressure control loop of described cylinder, the control end of described magnetic valve is defeated with described transmission cable Go out end to be electrically connected with.
9. the anti-fall power assisting device of cat ladder according to claim 8 climbing, it is characterised in that: described magnetic valve is arranged on described In mounting seat.
10. the anti-fall power assisting device of cat ladder according to claim 8 climbing, it is characterised in that: described drive motor is pneumatic Motor.
CN201620569796.7U 2016-06-13 2016-06-13 The anti-fall power assisting device of cat ladder climbing Withdrawn - After Issue CN205676065U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105819358A (en) * 2016-06-13 2016-08-03 中冶建工集团有限公司 Anti-falling assistance device for vertical ladder climbing
CN106892366A (en) * 2017-04-21 2017-06-27 中冶建工集团有限公司 A kind of electronic anti-fall climb-aiding device
CN110950262A (en) * 2019-12-26 2020-04-03 成都益达生科技有限公司 Anti-falling climbing aid
CN113843644A (en) * 2021-11-01 2021-12-28 常州机电职业技术学院 Mechanical automatic clamping device
CN113914600A (en) * 2021-12-13 2022-01-11 江苏鸿恩智能科技有限公司 Round chain guide mechanism for building climbing frame

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105819358A (en) * 2016-06-13 2016-08-03 中冶建工集团有限公司 Anti-falling assistance device for vertical ladder climbing
CN106892366A (en) * 2017-04-21 2017-06-27 中冶建工集团有限公司 A kind of electronic anti-fall climb-aiding device
CN110950262A (en) * 2019-12-26 2020-04-03 成都益达生科技有限公司 Anti-falling climbing aid
CN113843644A (en) * 2021-11-01 2021-12-28 常州机电职业技术学院 Mechanical automatic clamping device
CN113914600A (en) * 2021-12-13 2022-01-11 江苏鸿恩智能科技有限公司 Round chain guide mechanism for building climbing frame
CN113914600B (en) * 2021-12-13 2022-03-01 江苏鸿恩智能科技有限公司 Round chain guide mechanism for building climbing frame

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