CN1073188C - Anti-fall method for climbing type scaffold for high-rise construction and its special equipment - Google Patents
Anti-fall method for climbing type scaffold for high-rise construction and its special equipment Download PDFInfo
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- CN1073188C CN1073188C CN 97104148 CN97104148A CN1073188C CN 1073188 C CN1073188 C CN 1073188C CN 97104148 CN97104148 CN 97104148 CN 97104148 A CN97104148 A CN 97104148A CN 1073188 C CN1073188 C CN 1073188C
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Abstract
The present invention aims to provide an anti-fall method for climbing type scaffolds for high-rise building construction and special equipment thereof. Protective measures can be taken in advance to enhance construction safety by the method, before the accident of the scaffold is to take place. The aim of the present invention is realized by the anti-fall method for climbing type scaffolds for high-rise building construction; the method comprises the following steps: a). the loading of the scaffold is detected; b). the detected loading value is judged whether the detected loading value exceeds the specified value; c). when the detected loading value exceeds the specified value, the hoisting machine of the scaffold body of the scaffold stops working; d). at the same time, an anti-fall device is driven so that the scaffold body of the scaffold and guide rails do not move relatively.
Description
The present invention relates to the anti-drop method and the special equipment thereof of the scaffold that architecture construction uses.
When building operations, around the building of being constructed, to lay many group climbing type scaffolds to constitute whole climbing frame.Existing climbing type scaffold for high-rise construction has following problem, when work, when the elevator generation chain jamming in one group of climbing type scaffold, because the support body in this group scaffold no longer climbs, and the support body in the scaffold of other group is also climbing, and between the respective sets scaffold situation that dismemberent disconnects can take place like this.When the elevator generation chain rupture in one group of climbing type scaffold, the support body in this group scaffold can fall along guide rail.At the construction field (site); excessive or the not enough situation of supply current appears through regular meeting; certainly will cause the influence that the motor in the above-mentioned elevator is run well like this; thereby the climbing speed between the feasible support body of respectively organizing in the scaffold is inconsistent, so also can cause the dismemberent situation of respectively organizing between the scaffold.Have again, when scaffolding overloads, also can cause the climbing speed of respectively organizing the support body in the scaffold different.The final result that above-mentioned fortuitous event occurs is that whole climbing frame falls from building, is danger close like this, and can cause enormous economic loss.The anti-drop device that is adopted in the building operations at present is the passive type device of frame for movement, promptly working as scaffold overloads, elevator generation chain rupture, or this anti-drop device just works when situation such as dismemberent takes place between the adjacent scaffold group, though can avoid falling of scaffold like this, but can not prevent that still the part assembly is damaged, as the chain disconnection of elevator, motor damages or the like because of overcurrent.
The object of the present invention is to provide a kind of anti-drop method down of climbing type scaffold for high-rise construction, this method can be before this scaffold will something unexpected happened, thereby takes safeguard measure to improve safety of construction in advance.
Above-mentioned purpose of the present invention is to realize by the anti-drop method of following climbing type scaffold for high-rise construction, and this method may further comprise the steps:
A). the load to scaffold detects;
B). the payload values that is detected is judged, seen whether it surpasses setting;
C). when above-mentioned load detected value surpasses setting, the support body elevator in the scaffold is quit work;
D). meanwhile, drive anti-drop device, support body and guide rail in the scaffold are not relatively moved.
In a) in the step of said method, the detection of above-mentioned load is to be undertaken by the motor supply current in the support body elevator in the in running order scaffold being measured the payload values of then extrapolating this moment.
In a) in the step of said method, the detection of above-mentioned load is to be undertaken by directly the pulling force in the support body elevator in the scaffold being measured.
Another object of the present invention is to provide a kind of anti-special equipment of drop method down of realizing above-mentioned climbing type scaffold for high-rise construction; this equipment can be before this scaffold will something unexpected happened, thereby takes safeguard measure to improve safety of construction in advance.
Above-mentioned another purpose of the present invention can realize by the following anti-special equipment of drop method down of realizing climbing type scaffold for high-rise construction, this special equipment comprises the climbing type scaffold for high-rise construction scaffold, this scaffold comprises guide rail, be located on this guide rail, and can be along vertically relative its support body that climbs of this guide rail, the support body elevator, between above-mentioned guide rail and support body, be provided with the support body anti-drop device, it is characterized in that this equipment also comprises the testing agency that the motor supply current in the support body elevator is detected, controller, this controller receives the current detection signal of above-mentioned testing agency, thereby it is compared with corresponding setting judge, motor start and stop operating mechanism in following support body elevator sends signal afterwards, this mechanism receives signal that above-mentioned controller sends and according to this signal the start and stop state of above-mentioned motor is controlled, the pulling force driving mechanism of above-mentioned support body anti-drop device, this mechanism is connected with the chain of deciding in the above-mentioned support body elevator.
A kind of preferred structure according to the said equipment, above-mentioned support body anti-drop device is made of box frame, this box frame comprises and being spaced from each other and a pair of side plate of keeping parallelism, above-mentioned guide rail passes from box frame and its both sides just are posted by the inner surface of these two side plates, between above-mentioned two side plates, also be provided with two pairs of guide rollers, every pair of running roller comprises two running rollers that are provided with along consistency from top to bottom, the two ends of the axle of this running roller are individually fixed on above-mentioned two side plates and this axle and above-mentioned side plate place surperficial perpendicular, these two pairs of running rollers are arranged at the both sides of above-mentioned guide rail respectively, and fit with the end face of this guide rail, between above-mentioned two side plates and in the both sides of above-mentioned guide rail, be fixed with an axle respectively, be fixed with an eccentric wheel on each axle, this eccentric wheel is along the vertical direction between a pair of guide roller of each side of guide rail, the end of the homonymy of above-mentioned two camshafts is waved parts and is rigidly connected with one respectively, each wave parts by corresponding spring be connected near being connected with the above-mentioned side plate that waves the camshaft end of parts, thereby the elastic restoring force of this spring can apply the moment of a direction and then drive corresponding eccentric wheel rotation corresponding eccentric axle, the external surface of the radius of curvature larger part in above-mentioned two eccentric wheels contacts with the corresponding end-faces of guide rail and this guide rail is clamped at this moment, this pulling force driving mechanism that also is connected with the pulling force driving mechanism can overcome the restoring force of above-mentioned spring and corresponding eccentric axle is applied the moment of another direction and then drives corresponding eccentric wheel rotation thereby each waves parts, the external surface at the minimum place of radius of curvature in above-mentioned two eccentric wheels separates the maximum prescribed spacing towards the end face of guide rail and with this end face at this moment, and promptly above-mentioned two eccentric wheels and guide rail are thrown off.
Another preferred structure according to the said equipment, pulling force driving mechanism in the above-mentioned support body anti-drop device comprises wire, this end wiry is connected with the chain of deciding in the above-mentioned support body elevator, its other end is connected with the parts that wave in the anti-drop device, this wire is by the directive wheel guiding that is fixed on the support body, and above-mentioned motor start and stop operating mechanism comprises contactor.
Another kind of preferred structure according to the said equipment, one in above-mentioned two parallel side plates in the above-mentioned box frame has the longitudinal opening that the attached wall top of the trellis is passed through, the top of above-mentioned box frame and bottom are provided with and prevent that foul from falling into the cover plate in it, and this cover plate has the opening that guide rail is passed.
Another preferred structure according to the said equipment, above-mentioned each wave parts and constitute by a rocking arm, its supporting is posted by on the external surface of corresponding side plate, and an end of this rocking arm is rigidly connected with corresponding camshaft, and its other end is connected with above-mentioned side plate by a spring.
According to also a kind of preferred structure of the said equipment, above-mentioned support body bottom is provided with bearing frame, and above-mentioned support body anti-drop device is fixed in below this bearing frame.
According to another preferred structure of the said equipment, the above-mentioned external surface that is supported with the plate of rocking arm is provided with rocking arm rotation block piece so that make the angle of this rocking arm rotation regulation.
Above-mentioned another purpose of the present invention also can realize what the anti-special equipment of drop method down of climbing type scaffold for high-rise construction was realized by following another kind, this another kind special equipment comprises climbing type scaffold for high-rise construction, this scaffold comprises guide rail, be located on this guide rail, and can be along vertically relative its support body that climbs of this guide rail, the support body elevator, between above-mentioned guide rail and support body, be provided with the support body anti-drop device, it is characterized in that this equipment also comprises controller, electromagnetic driver, motor start and stop operating mechanism in the support body elevator, above-mentioned controller receives the pulling force signal from the pull pressure sensor that is connected with the support body elevator, thereby it is compared with corresponding setting judge, send the driving signal to above-mentioned electromagnetic driver afterwards, above-mentioned electromagnetic driver receives driving signal that above-mentioned controller sends and according to this signal above-mentioned support body anti-drop device is driven, simultaneously above-mentioned controller can send signal to above-mentioned motor start and stop operating mechanism according to the result that the above-mentioned pulling force signal that receives is judged, this mechanism receives signal that above-mentioned controller sends and according to this signal the start and stop state of motor controlled.
A kind of preferred structure according to the said equipment, above-mentioned support body anti-drop device is made of box frame, this box frame comprises and being spaced from each other and a pair of side plate of keeping parallelism, above-mentioned guide rail just passes between these two side plates, between above-mentioned two side plates, also be provided with two pairs of guide rollers, every pair of running roller comprises two running rollers that are provided with along consistency from top to bottom, the two ends of the axle of this running roller are individually fixed on above-mentioned two side plates and this axle and above-mentioned side plate place surperficial perpendicular, these two pairs of running rollers are arranged at the both sides of above-mentioned guide rail respectively, and fit with the end face of this guide rail, between above-mentioned two side plates and in the both sides of above-mentioned guide rail, be fixed with an axle respectively, be fixed with an eccentric wheel on each axle, this eccentric wheel is along the vertical direction between a pair of guide roller of each side of guide rail, the end of the homonymy of above-mentioned two camshafts is waved parts and is rigidly connected with one respectively, each wave parts by corresponding spring be connected near being connected with the above-mentioned side plate that waves the camshaft end of parts, thereby the elastic restoring force of this spring can apply the moment of a direction and then drive corresponding eccentric wheel rotation corresponding eccentric axle when meeting accident, the external surface of the radius of curvature larger part in above-mentioned two eccentric wheels contacts with the corresponding end-faces of guide rail and this guide rail is clamped at this moment, each waves the control that parts also are subjected to the electromagnetic force of above-mentioned electromagnetic driver, thereby this electromagnetic driver can overcome the restoring force of above-mentioned spring and corresponding eccentric axle is applied the moment of another direction and then drives corresponding eccentric wheel rotation when operate as normal, the external surface at the minimum place of radius of curvature in above-mentioned two eccentric wheels separates the maximum prescribed spacing towards the end face of guide rail and with this end face at this moment, and promptly above-mentioned two eccentric wheels and guide rail are thrown off.
According to a kind of preferred structure of the said equipment, the two ends of above-mentioned tension-compression sensor are connected between the bearing frame and elevator in the support body, and above-mentioned motor start and stop operating mechanism comprises contactor.
According to the another kind of preferred structure of the said equipment, the above-mentioned external surface that is supported with the plate that waves parts is provided with and waves parts rotation block piece so that make this wave the angle of parts rotation regulation.
According to another preferred structure of the said equipment, above-mentioned support body bottom is provided with bearing frame, and above-mentioned support body anti-drop device is fixed in below this bearing frame.
Also a kind of preferred structure according to the said equipment, one in above-mentioned two parallel side plates in the above-mentioned box frame has the longitudinal opening that the attached wall top of the trellis is passed through, the top of above-mentioned box frame and bottom are provided with and prevent that foul from falling into the cover plate in it, and this cover plate has the opening that guide rail is passed.
Another preferred structure according to the said equipment, above-mentioned each wave parts and constitute by a rocking arm, its supporting is posted by on the external surface of corresponding side plate, and an end of this rocking arm is rigidly connected with corresponding camshaft, and its other end is connected with above-mentioned side plate by a spring.
The invention has the advantages that chain rupture will take place the support body elevator in scaffold, the supply current of motor surpasses setting and overcurrent will take place, the load of scaffold surpasses setting and when situation such as overload will take place, motor is quit work, driving the support body anti-drop device simultaneously in advance clamps guide rail, can avoid making the chain in the elevator to disconnect like this, prevent that the motor in the elevator from damaging because of producing overcurrent, because elevator quits work in the time will unfavorable condition taking place, support body can not continue to climb like this, does not respectively organize the situation that dismemberent takes place between the scaffold thereby can not produce.Support body anti-drop device of the present invention clamps guide rail, and promptly support body is supported on the guide rail firmly by the support body anti-drop device, thereby can avoid support body to produce the phenomenon of falling.Owing to be provided with two pairs of running rollers in the support body anti-drop device, thereby also can prevent the support body run-off the straight.Adopt the present invention that safety of construction is improved greatly.
Specifically describe by the special equipment of most preferred embodiment below in conjunction with accompanying drawing climbing type scaffold for high-rise construction anti-drop method of the present invention.
Fig. 1 is the whole elevation of an embodiment of the special equipment of climbing type scaffold for high-rise construction anti-drop method of the present invention;
Fig. 2 is the partial schematic diagram of equipment shown in Figure 1;
Fig. 3 is the elevation of the support body anti-drop device in the anti-fall equipment of above-mentioned scaffold shown in Figure 1;
Fig. 4 is the plan view of support body anti-drop device shown in Figure 1;
Fig. 5 is the side view of support body anti-drop device shown in Figure 1.
As shown in Figure 1, the special equipment of climbing type scaffold for high-rise construction anti-drop method of the present invention comprises climbing type scaffold for high-rise construction 1, this scaffold comprises i iron shape guide rail 5, this guide rail 5 is respectively by attached wall frame 12,13,14 and 15 are fixed on the building wall, vertically be provided with its support body that climbs 7 relatively along this guide rail, this support body 7 is supported on the bearing frame 3, this bearing frame 3 is connected with attached wall frame 15, on bearing frame 3 end faces, be provided with a formula elevator 4, when promoting support body 7, the loop chain 8 top hooks of this elevator 4 are on the suspension ring on the lifting arm 10 that is fixed on the guide rail 5, above-mentioned lifting arm 10 spends blue pull bar 11 to be connected with building wall by lifting arm, the overhanging end of bearing frame 3 spends blue pull bar 6 to be connected with building wall by bearing frame in addition, the place is provided with support body anti-drop device 2 in above-mentioned guide rail 5 bottoms, this support body anti-drop device 2 is located at below the above-mentioned bearing frame 3, and one side and this bearing frame 3 are rigidly connected, and are provided with attached wall frame 15 above support body anti-drop device 2.
As shown in Figure 2, the special equipment of above-mentioned anti-drop method also comprises controller 46, electromagnetic driver 45, motor start and stop operating mechanism (not shown) in the support body elevator, such as the motor contactor, the pulling force signal that above-mentioned controller 46 receives from the pull pressure sensor 47 that is connected with the support body elevator, thereby it is compared with corresponding setting judge, it sends the driving signal according to the result of this judgement to above-mentioned electromagnetic driver 45 afterwards, above-mentioned electromagnetic driver 45 receives driving signal that above-mentioned controller 46 sends and according to this signal above-mentioned support body anti-drop device 2 is driven, simultaneously above-mentioned controller 46 can send signal to above-mentioned motor start and stop operating mechanism according to the result that the above-mentioned pulling force signal that receives is judged, this mechanism receives signal that above-mentioned controller 46 sends and according to this signal the start and stop state of motor controlled.Above-mentioned controller 46 is connected with operating table surface 48 with central control system 49 respectively, and operating personnel can pass through aforesaid operations table top 48 input signals, and the signal that 49 pairs of controllers 46 of above-mentioned central control system provide is controlled.Above-mentioned pull pressure sensor 47 is arranged between elevator and the bearing frame 3.
When work, if the excessive situation of loading takes place, such as, when situations such as chain rupture will take place when elevator 4, controller 46 receives excessive pulling force signal, then pulling force sensor 47 provides the signal of excessive pulling force to controller 46,46 pairs of these signals of controller and setting compare, when judged result is overload, this controller 46 sends the driving signal to electromagnetic driver 45, and this driver 45 does not produce electromagnetic force, and the rocking arm (this point will be described later) in the support body anti-drop device 2 is not subjected to the effect of electromagnetic force so at once, under the effect of spring part, at last guide rail 5 is clamped.Meanwhile, the controller 46 also contactor of the motor in elevator sends interrupt signal, thereby motor is quit work.It is mobile that various piece in the whole scaffold is quit work, thereby can avoid corresponding assembly, as chain sling, and the damage of motor.By central control system 49 scaffold in the whole climbing frame is all quit work in addition, thereby can avoid taking place between the adjacent scaffold situation of dismemberent.
Below support body anti-drop device 2 of the present invention is specifically described.
Shown in Fig. 3～5, above-mentioned support body anti-drop device 2 comprises box frame 44, this framework 44 comprises two block length bar side plates 16,17, these two side plates 16,17 mutual keeping parallelisms are also spaced apart, thereby just being a bit larger tham the flange width of above-mentioned i iron guide rail 5, this distance can make above-mentioned guide rail 5 just from above-mentioned two boards 16, pass between 17, above-mentioned two side plates 16,17 by two end plates 18,19 one-tenth whole connections, at above-mentioned two parallel side plates 16, be respectively equipped with a pair of running roller 20 between 17 and in these guide rail 5 both sides, 20 ', every pair of running roller comprises two running rollers 22 that are provided with along the vertical direction, 23, these two running rollers 22,23 fit above-mentioned running roller 22 with the end face 42,43 of guide rail 5,23 fixed axis 24,25 two ends are individually fixed on the above-mentioned plate 16,17, at above-mentioned two boards 16, also be provided with two camshafts 26 between 17,27, the two ends of these two axles 26,27 also are individually fixed in above-mentioned two boards 16, on 17, be fixed with eccentric wheel 28,29 on each camshaft 26,27 respectively rigidly, above-mentioned camshaft 26, an end of 27 passes from the plate 16 of a side, and stretches out, this axle 26,27 stretch out end 30,31 rocking arms 32,33 that have been rigidly connected respectively, this rocking arm 32,33 can be around camshaft 26,27 produce rotation on the external surface of plate 16, the other end of above-mentioned rocking arm 32,33 respectively with a spring part 34,35 are connected, the other end of this spring part 34,35 is connected with connecting rod 36,37 respectively, this connecting rod 36,37 the other end is individually fixed on the above-mentioned plate 16, also is provided with two blocks 38,39 on the external surface of above-mentioned plate 16, they respectively can be with above-mentioned rocking arm 32, the restriction of 33 the anglec of rotation within the specific limits, above-mentioned rocking arm 32,33 with electromagnetic driver 45 (as shown in Figure 2) thus this electromagnetic driver 45 of distance that keeps being fit to can produce electromagnetic force and it is rotated along a direction around camshaft it.
Working method to above-mentioned support body anti-drop device 2 is described below.When support body 7 relative guide rails 5 carry out normally climbing upwards, the pulling force signal that tension-compression sensor sends is a normal value, at this moment electromagnetic driver 45 energisings, generation electromagnetic force; rocking arm 32 overcomes spring part 34 under the effect of electromagnetic force restoring force is rotated in a clockwise direction camshaft 26; the eccentric wheel 28 outer rim mean curvature radius smallest point places on the camshaft 26 and the axial connecting line of this camshaft 26 are the level of state at this moment; and the end face 42 of minimum place of above-mentioned eccentric wheel 28 outer rim mean curvature radiuses and guide rail 5 leaves the maximum prescribed distance, i.e. eccentric wheel 28 and 42 disengagements of guide rail 5 end faces.Equally, this moment, eccentric wheel 29 was also thrown off with the end face 43 of guide rail 5.
When support body 7 does not climb, or the chain in the seat formula elevator 4 will be will disconnect the time at once, the excessive pulling force signal of tension-compression sensor 47 generations this moment, controller 46 sends signal and makes electromagnetic driver 45 no powers, rocking arm 32 is not subjected to the effect of electromagnetic force like this, this rocking arm 32 rotates in the counterclockwise direction under the effect of the elastic restoring force of spring part 34, thereby driving camshaft 26 rotates in the counterclockwise direction, 5 on the most close guide rail is located distance with the axle center of camshaft 26 in eccentric wheel 28 outer rims in this process, be that radius of curvature increases gradually, when above-mentioned distance during just above the spacing in above-mentioned guide rail 5 end faces 42 and above-mentioned axle center, above-mentioned eccentric wheel 28 just contacts with the end face 42 of above-mentioned guide rail 5.Equally, this moment, eccentric wheel 29 also contacted with the end face 43 of guide rail 5.Two eccentric wheels 28,29 are like this clamped from both sides with guide rail 5.In the manner described above, can before chain disconnects, the motor in the support body elevator 4 be quit work by controller 46, and guide rail 5 is clamped.
Mode to another kind control rocking arm is described below.
Above-mentioned spring part 34,35 also can be connected with an one metal wire 40,41 respectively with the connecting portion of rocking arm 32,33, and this wire 40,41 is connected with the chain of deciding in above-mentioned the formula elevator 4.The manipulation that is to say above-mentioned rocking arm can be realized by the pulling force driving mechanism of a mechanical system.
When support body 7 relative guide rails 5 carry out normally climbing upwards, because of deciding the chain tension, deciding above-mentioned wire 40 that chain is connected with this overcomes the pulling force of spring part 34 and pulls down and shake arm 32, rocking arm 32 is rotated in a clockwise direction, thereby drive camshaft 26 rotations, by above-mentioned same way as, last guide rail 5 is thrown off mutually with eccentric wheel 26,28.
When support body 7 does not climb, or the chain in the seat formula elevator 4 will be will disconnect the time at once, controller 46 receives excessive pulling force signal, and it sends silence signal to the contactor of motor like this, and contactor disconnects, motor in the elevator quits work, the pulling force of the above-mentioned wire 40 of result loses, and rocking arm 32 is not subjected to the effect of wire 40 like this, under the effect of the elastic restoring force of spring part 34, final eccentric wheel 26,28 clamps from both sides with guide rail 5.In this way, can avoid the disconnection of chain, situations such as the damage of motor take place.
Claims (17)
1. the anti-drop method of a climbing type scaffold for high-rise construction, this method may further comprise the steps:
A). the load to scaffold detects;
B). the payload values that is detected is judged, seen whether it surpasses setting;
C). when above-mentioned load detected value surpasses setting, the support body elevator in the scaffold is quit work;
D). meanwhile, drive anti-drop device, support body and guide rail in the scaffold are not relatively moved.
2. method according to claim 1, it is characterized in that in a) step in the method that the detection of above-mentioned load is to be undertaken by the power supply of the motor in the support body elevator in running order scaffold stream is measured the payload values of then extrapolating this moment.
3. method according to claim 1 is characterized in that in a) step in the method, and the detection of above-mentioned load is to be undertaken by directly the pulling force in the support body elevator in the scaffold being measured.
4. realize the described method special equipment of claim 1 for one kind, this special equipment comprises climbing type scaffold for high-rise construction, this scaffold comprises guide rail, be located on this guide rail, and can be along vertically relative its support body that climbs of this guide rail, the support body elevator, between above-mentioned guide rail and support body, be provided with the support body anti-drop device, it is characterized in that this equipment also comprises the pull pressure sensor that the motor supply current in the support body elevator is detected, controller, this controller receives the current detection signal of above-mentioned pull pressure sensor, thereby it is compared with corresponding setting judge, motor start and stop operating mechanism in the support body elevator sends signal afterwards, this mechanism receives the signal that above-mentioned controller sends, and according to this signal the start and stop state of above-mentioned motor is controlled, the pulling force driving mechanism of above-mentioned support body anti-drop device, this mechanism is connected with the chain of deciding in the above-mentioned support body elevator.
5. equipment according to claim 4, it is characterized in that above-mentioned support body anti-drop device is made of box frame, this box frame comprises and being spaced from each other and a pair of side plate of keeping parallelism, above-mentioned guide rail passes from box frame, and its both sides just are posted by the inner surface of these two side plates, between above-mentioned two side plates, also be provided with two pairs of guide rollers, every pair of running roller comprises two running rollers that are provided with along consistency from top to bottom, the two ends of the axle of this running roller are individually fixed on above-mentioned two side plates, and this axle and above-mentioned side plate place is surperficial perpendicular, these two pairs of running rollers are arranged at the both sides of above-mentioned guide rail respectively, and fit with the end face of this guide rail, between above-mentioned two side plates, and be fixed with an axle respectively in the both sides of above-mentioned guide rail, be fixed with an eccentric wheel on each axle, this eccentric wheel is along the vertical direction between a pair of guide roller of each side of guide rail, the end parts of the homonymy of above-mentioned two camshafts is waved parts and is rigidly connected with one respectively, each wave parts by corresponding spring be connected near being connected with the above-mentioned side plate that waves the camshaft end of parts, thereby the spring restoring force of this spring can apply the moment of a direction to corresponding eccentric axle, and then drive the rotation of corresponding eccentric wheel, the external surface of the radius of curvature larger part in above-mentioned two eccentric wheels contacts with the corresponding end-faces of guide rail at this moment, and this guide rail clamped, this pulling force driving mechanism that also is connected with the pulling force driving mechanism can overcome the restoring force of above-mentioned spring and corresponding eccentric axle be applied the moment of another direction thereby each waves parts, and then drive the rotation of corresponding eccentric wheel, the external surface at the minimum place of radius of curvature in above-mentioned two eccentric wheels is towards the end face of guide rail at this moment, and separating the maximum prescribed spacing with this end face, promptly above-mentioned two eccentric wheels and guide rail are thrown off.
6. equipment according to claim 5, it is characterized in that the pulling force driving mechanism in the above-mentioned support body anti-drop device comprises wire, this end wiry is connected with the chain of deciding in the above-mentioned support body elevator, its other end is connected with the parts that wave in the anti-drop device, this wire is by the directive wheel guiding that is fixed on the support body, and above-mentioned motor start and stop operating mechanism comprises contactor.
7. equipment according to claim 5, it is characterized in that one in the above-mentioned two parallel side plates in the above-mentioned box frame has the longitudinal opening that the attached wall top of the trellis is passed through, the top of above-mentioned box frame and bottom are provided with and prevent that foul from falling into the cover plate in it, and this cover plate has the opening that guide rail is passed.
8. equipment according to claim 5, it is characterized in that above-mentioned each wave parts and constitute by a rocking arm, its supporting is posted by on the external surface of corresponding side plate, and an end of this rocking arm is rigidly connected with corresponding camshaft, and its other end is connected with above-mentioned side plate by a spring.
9. equipment according to claim 4 is characterized in that above-mentioned support body bottom is provided with bearing frame, and above-mentioned support body anti-drop device is fixed in this bearing frame bottom surface.
10. equipment according to claim 8 is characterized in that the above-mentioned external surface that is supported with the plate of rocking arm is provided with rocking arm rotation block piece so that make the angle of this rocking arm rotation regulation.
11. special equipment of realizing the described method of claim 1, this special equipment comprises climbing type scaffold for high-rise construction, this scaffold comprises guide rail, be located on this guide rail, and can be along vertically relative its support body that climbs of this guide rail, the support body elevator, between above-mentioned guide rail and support body, be provided with the support body anti-drop device, it is characterized in that this equipment also comprises controller, electromagnetic driver, motor start and stop operating mechanism in the support body elevator, above-mentioned controller receives the pulling force signal from the pull pressure sensor that is connected with the support body elevator, thereby it is compared with corresponding setting judge, send the pulling force signal to above-mentioned electromagnetic driver afterwards, above-mentioned electromagnetic driver receives the driving signal that above-mentioned controller sends, and above-mentioned support body anti-drop device is driven according to this signal, the above-mentioned controller result that can judge according to the above-mentioned pulling force signal that receives simultaneously, above-mentioned motor start and stop operating mechanism is sent signal, this mechanism receives the signal that above-mentioned controller sends, and according to this signal the start and stop of motor is controlled.
12. equipment according to claim 11, it is characterized in that above-mentioned support body anti-drop device is made of box frame, this box frame comprises and being spaced from each other and a pair of side plate of keeping parallelism, above-mentioned guide rail passes from box frame, and its both sides just are posted by the inner surface of these two side plates, between above-mentioned two side plates, also be provided with two pairs of guide rollers, every pair of running roller comprises two running rollers that are provided with along consistency from top to bottom, the two ends of the axle of this running roller are individually fixed on above-mentioned two side plates, and this axle and above-mentioned side plate place is surperficial perpendicular, these two pairs of running rollers are arranged at the both sides of above-mentioned guide rail respectively, and fit with the end face of this guide rail, between above-mentioned two side plates, and be fixed with an axle respectively in the both sides of above-mentioned guide rail, be fixed with an eccentric wheel on each axle, this eccentric wheel is along the vertical direction between a pair of guide roller of each side of guide rail, the end parts of the homonymy of above-mentioned two camshafts is waved parts and is rigidly connected with one respectively, each wave parts by corresponding spring be connected near being connected with the above-mentioned side plate that waves the camshaft end of parts, thereby the spring restoring force of this spring can apply the moment of a direction to corresponding eccentric axle, and then drive the rotation of corresponding eccentric wheel, the external surface of the radius of curvature larger part in above-mentioned two eccentric wheels contacts with the corresponding end-faces of guide rail at this moment, and this guide rail clamped, this pulling force driving mechanism that also is connected with the pulling force driving mechanism can overcome the restoring force of above-mentioned spring and corresponding eccentric axle be applied the moment of another direction thereby each waves parts, and then drive the rotation of corresponding eccentric wheel, the external surface at the minimum place of radius of curvature in above-mentioned two eccentric wheels is towards the end face of guide rail at this moment, and separating the maximum prescribed spacing with this end face, promptly above-mentioned two eccentric wheels and guide rail are thrown off.
13. equipment according to claim 11, the two ends that it is characterized in that above-mentioned pull pressure sensor are connected between the bearing frame and elevator in the support body, above-mentioned motor start and stop operating mechanism comprises contactor.
14. equipment according to claim 11 is characterized in that the above-mentioned external surface that is supported with the plate of rocking arm is provided with rocking arm rotation block piece so that make the angle of this rocking arm rotation regulation.
15. equipment according to claim 11 is characterized in that above-mentioned support body bottom is provided with bearing frame, above-mentioned support body anti-drop device is fixed in below this bearing frame.
16. equipment according to claim 11, it is characterized in that one in the above-mentioned two parallel side plates in the above-mentioned box frame has the longitudinal opening that the attached wall top of the trellis is passed through, the top of above-mentioned box frame and bottom are provided with and prevent that foul from falling into the cover plate in it, and this cover plate has the opening that guide rail is passed.
17. equipment according to claim 11, it is characterized in that above-mentioned each wave parts and constitute by a rocking arm, its supporting is posted by on the external surface of corresponding side plate, and an end of this rocking arm is rigidly connected with corresponding camshaft, and its other end is connected with above-mentioned side plate by a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97104148 CN1073188C (en) | 1997-04-25 | 1997-04-25 | Anti-fall method for climbing type scaffold for high-rise construction and its special equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97104148 CN1073188C (en) | 1997-04-25 | 1997-04-25 | Anti-fall method for climbing type scaffold for high-rise construction and its special equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1165232A CN1165232A (en) | 1997-11-19 |
| CN1073188C true CN1073188C (en) | 2001-10-17 |
Family
ID=5167175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97104148 Expired - Fee Related CN1073188C (en) | 1997-04-25 | 1997-04-25 | Anti-fall method for climbing type scaffold for high-rise construction and its special equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1073188C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843555B (en) * | 2014-04-16 | 2017-08-04 | 北汽福田汽车股份有限公司 | A kind of anti-fall control method of elevator bucket and elevator bucket falling prevention control device |
| CN106320686B (en) * | 2015-06-29 | 2019-06-18 | 鲍菊芳 | A kind of chain lifting fastener |
| CN107558725A (en) * | 2017-10-24 | 2018-01-09 | 天津信仁建筑安装工程有限公司 | Anti-fall device and scaffold |
| CN107975233B (en) * | 2018-01-11 | 2023-07-14 | 山东方正建筑新型材料有限公司 | Elevator shaft inner formwork balance system |
-
1997
- 1997-04-25 CN CN 97104148 patent/CN1073188C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1165232A (en) | 1997-11-19 |
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