CN116924237A - Tower crane cat ladder auxiliary device with perpendicularity early warning function and matched installation and use method - Google Patents
Tower crane cat ladder auxiliary device with perpendicularity early warning function and matched installation and use method Download PDFInfo
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- CN116924237A CN116924237A CN202310846614.0A CN202310846614A CN116924237A CN 116924237 A CN116924237 A CN 116924237A CN 202310846614 A CN202310846614 A CN 202310846614A CN 116924237 A CN116924237 A CN 116924237A
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- traction rope
- tower crane
- early warning
- perpendicularity
- auxiliary device
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- 241000282326 Felis catus Species 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000004804 winding Methods 0.000 claims abstract description 32
- 230000009193 crawling Effects 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 13
- 230000001939 inductive effect Effects 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 10
- 230000009194 climbing Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011326 mechanical measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
- B66C13/54—Operator's stands or cabins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention relates to the field of safety detection in building construction, in particular to a tower crane cat ladder auxiliary device with perpendicularity early warning and a matched installation and use method. The utility model aims at providing a novel control early warning of tower crane straightness device, further for possessing personnel's safety precaution simultaneously, the clean function's of cat ladder equipment device, solves the problem of cat ladder function singleness in the present stage. The invention comprises a traction rope arranged on the side surface of the ladder stand, wherein one end of the traction rope is provided with an active winding mechanism, the other end of the traction rope is connected with a passive unwinding mechanism, the traction rope passes through a fixed pulley, and the fixed pulley is fixed on a turntable of a tower crane.
Description
Technical Field
The invention relates to the field of safety detection in building construction, in particular to a tower crane cat ladder auxiliary device with perpendicularity early warning and a matched installation and use method.
Background
The tower crane is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism comprises four parts of lifting, amplitude changing, rotation and walking. The main improvement of the tower crane at the present stage is as follows: 1. the bearing capacity is improved; 2. and (3) improving the assembly precision: 3. and the safety of construction is improved.
For example, in the published Chinese patent literature, the application number is CN202210982110.7, which is named as a warning device for preventing earthquake and strong wind and verticality of a tower crane and a using method thereof, in the technology, a power supply positive terminal of a crane cab is connected with an audible and visual alarm, and a warning component is arranged at the bottom end of the audible and visual alarm. According to the invention, the early warning assembly is adopted to shake the straight copper wire above the tower crane, the audible and visual alarm is used for supplying power to generate an alarm, the audible and visual alarm is used for supplying power, and a driver who needs to go to the tower crane can clearly observe the verticality at the bottom of the tower crane, so that the driver can know early warning conditions in advance for analysis in windy weather and earthquake weather whether the driver is positioned in a cockpit or at the bottom of the tower crane, whether the driver needs to leave the tower crane or not is judged, the safety is better, the early warning range is wider, the effect is better, and the early warning operation can be performed by preventing strong wind, earthquake and verticality. However, in the prior art, the following disadvantages still exist, and the specific appearance is that: 1. the self-cleaning capability of the tower crane is poor at the present stage, and potential safety hazards exist in personnel climbing; 2. the detection of verticality is realized by detecting the metal bracket, which has hysteresis; 3. the function of the device is single, and the change space is small.
Disclosure of Invention
The invention aims to solve the problem of single function of a ladder stand in the prior art.
The specific scheme of the invention is as follows:
the traction rope is wound by a fixed pulley, and the fixed pulley is fixed on a turntable of the tower crane;
the active winding mechanism is arranged on a fixed surface adjacent to the climbing starting end and comprises a roller driven by a bidirectional motor, and the traction rope is wound on the roller layer by layer;
the passive unreeling mechanism is arranged below the fixed pulley and comprises a main shaft, a traction rope is wound on the main shaft layer by layer, and a reset spring is arranged at the root of the main shaft;
a hook is arranged on the side face of the ladder stand to hang the traction rope, and a pressure sensing element for measuring and calculating the contact pressure between the traction rope and the hook is arranged on the hook;
the intelligent control system further comprises a controller in the total service platform, wherein the input end of the controller is connected with the pressure sensing element, and the output end of the controller is connected with the display screen.
In specific implementation, a torque force sensing mechanism is arranged on a motor spindle of the active winding mechanism, and a locking pin and a matched locking pin hole are also arranged on the active winding mechanism.
In specific implementation, be equipped with tensile length early warning mechanism on the passive unreeling mechanism, tensile length early warning mechanism is including installing the inductive switch on the haulage rope, and correspond the switch of going out of installing in the haulage rope export, inductive switch's mounting point distance the haulage rope is not more than 1m in the length of the mounting point of main shaft fixed point, inductive switch with trigger switch contacts the back and forms the passageway, and alarm component and audible-visual alarm component are connected to this passageway, alarm component is still connected simultaneously the input of controller.
In specific implementation, the hook comprises a hook with a snake-shaped inlet, a positioning mechanism arranged above the hook, and a traction mechanism arranged above the positioning mechanism, wherein a pressure sensing element is arranged in the hook.
In the implementation, the pressure sensing element is positioned between the hook and the traction rope to measure the contact pressure of the hook and the traction rope, the traction mechanism comprises two rollers which are oppositely arranged, and a sliding rail which drives the rollers to translate is arranged at the lower part of the rollers.
In a specific implementation, the sensing element comprises a pressure sensor, a controller electrically connected with the pressure sensor, and a display screen arranged at the output end of the controller.
In specific implementation, a secondary turntable is arranged on the turntable, and the fixed pulley is arranged on the secondary turntable.
In specific implementation, the both sides of cat ladder still are equipped with the slider, the slider is driven its lift by independent slider actuating mechanism, is equipped with cat ladder cleaning roller on the slider.
The invention also relates to a method for installing and using the auxiliary device for the tower crane crawling ladder with the perpendicularity early warning, which comprises the following steps:
(1) Fixing a traction rope: an active winding mechanism is arranged on the crawling ladder and at the outlet end of a worker, a passive unwinding mechanism is arranged on the turntable, and the two ends of the traction rope after passing through the fixed end are respectively connected with the active winding mechanism and the passive unwinding mechanism;
(2) Fixed monitoring equipment: a buckle is arranged on the cat ladder to fix the traction rope, and mechanical monitoring equipment is arranged on the buckle;
(3) Adjusting a traction rope: when the standard knot is added or subtracted, firstly the winding equipment is loosened, the tension of the traction rope is reduced to provide an adjusting space, secondly the position of the active winding mechanism is changed, the active winding mechanism is adjusted to a new cat ladder outlet, and then the traction rope is tensioned again, and the step is returned until the hoisting construction of the tower crane is completed.
In the step (1), after each standard knot is additionally arranged, the length of the unreeled traction rope is adjusted; at least every 3 standard knots are a circulation air potential, and the fixed position of the active unreeling mechanism is adjusted.
The invention has the beneficial effects that:
a set of traction ropes are recommended, and the traction ropes are connected with a monitoring system, so that the verticality of the traction ropes can be monitored, and the verticality of the tower crane can be monitored;
the monitoring system is provided with mechanical monitoring, can monitor the mechanical condition near the traction rope, further realize the protection and information transmission of workers on the escalator under the emergency condition on the side surface, and reduce the potential safety hazard;
under an emergency, when a worker is blocked and falls on the cat ladder and no communication equipment exists, the worker can start the pressure early warning device on the traction rope in a traction rope pulling mode, the position and the height of the workers in the background can be informed by combining background monitoring, emergency workers can be conveniently sent out for processing in the first time, the safety of the worker is ensured, and the traction rope pulling process is more suitable for the worker to adjust to a proper position;
the whole flexibility of the equipment is high, and the equipment can be adjusted at any time according to the change condition of the tower crane.
Drawings
FIG. 1 is an assembled schematic view of the structure of the present invention;
FIG. 2 is a front view of the invention at a ladder stand;
FIG. 3 is a left side view of the invention at a ladder stand;
FIG. 4 is a perspective view of a ladder of the present invention;
FIG. 5 is a schematic diagram of the principle of the traction rope hanging in the invention;
FIG. 6 is a schematic diagram of the structural principle of a passive unreeling mechanism;
the names of the components in the figure are as follows: 1. a turntable; 2. a tower crane; 3. an active winding mechanism; 4. a passive unreeling mechanism; 5. a fixed pulley; 6. a ladder stand; 7. a hook; 8. a roller; 9. a slide rail; 10. a ladder cleaning roller; 11. a screw lifting mechanism for the ladder cleaning roller; 12 Sliding block; 13. a cleaning roller; 14. a lead screw motor; 15. a spring; 16. a main shaft of the passive unreeling mechanism; 17. an inductive switch; 18. triggering a switch; 19. a traction rope.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Example 1
Referring to fig. 1 to 6, the auxiliary device for the tower crane crawling ladder with the perpendicularity early warning comprises a traction rope 19 arranged on the side surface of the crawling ladder 6, wherein one end of the traction rope 19 is provided with an active winding mechanism 3, the other end of the traction rope is connected with a passive unwinding mechanism 4, the traction rope 19 winds a fixed pulley 5, and the fixed pulley 5 is fixed on a turntable 1 of the tower crane 2;
the active winding mechanism 3 is arranged on a fixed surface adjacent to the climbing starting end, the active winding mechanism 3 comprises a roller driven by a bidirectional motor, and the traction rope 19 is wound on the roller layer by layer;
the passive unreeling mechanism 4 is arranged below the fixed pulley 5, the passive unreeling mechanism 4 comprises a main shaft, a traction rope 19 is wound on the main shaft layer by layer, and a reset spring 15 is arranged at the root of the main shaft;
a hook 7 is arranged on the side surface of the cat ladder 6 for hanging the traction rope 19, and a pressure sensing element for measuring and calculating the contact pressure between the traction rope 19 and the hook 7 is arranged on the hook 7;
the intelligent control system further comprises a controller in the total service platform, wherein the input end of the controller is connected with the pressure sensing element, and the output end of the controller is connected with the display screen.
The motor spindle of the active winding mechanism 3 is provided with a torsion sensing mechanism, and the active winding mechanism 3 is also provided with a locking pin and a matched locking pin hole. The torque force sensing mechanism has the function of sensing that the tension of the traction rope 19 is in an acceptable range by the side surface, and prolonging the service life of the traction rope 19.
When unreeling mechanism and fixed pulley 5 are installed at revolving stage 1, can follow revolving stage 1 and rotate together, the demand of more efficient laminating construction operation.
The passive unreeling mechanism 4 is provided with a stretching length early warning mechanism, the stretching length early warning mechanism comprises an inductive switch 17 arranged on a traction rope 19 and a departure switch correspondingly arranged at an outlet of the traction rope 19, the distance between a mounting point of the inductive switch 17 and a mounting point of a main shaft fixing point of the traction rope 19 is not more than 1m, the inductive switch 17 and the trigger switch 18 are contacted to form a passage, the passage is connected with an alarm element and an audible-visual alarm element, and the alarm element is also connected with an input end of the controller. The circuit connected with the circuit is in a conventional circuit connection mode, and the sensing switch 17 and the trigger switch 18 are in contact or not to inform the on-off of the related circuit.
The stretching length early warning mechanism has the effects of realizing early warning on the stretching length, ensuring that the stretching length can not be infinitely pulled in a reasonable length until the unwinding equipment is tired, and realizing the protection of the unwinding equipment. The early warning principle is that the inductive switch 17 is placed at the length position needing early warning, when the inductive switch 17 is contacted with the departure switch of the outlet, the early warning circuit realizes a passage, related early warning equipment starts working, such as an audible and visual alarm part works, or the information is transmitted to a server through an information loop, and a worker is reminded of considering the winding and unwinding length scheme again.
Because the traction rope 19 is not fixed in the invention, especially the starting point, according to the addition of standard knots or the change of the height of a construction floor, the state that the tension of the traction rope 19 is 0 needs to be considered as unreeling sometimes occurs, the subsequent length increasing stretching is convenient, or the early warning element is arranged along with the unreeling length of equipment, and the safety of the reeling and unreeling equipment can be considered in the process of stretching and unreeling is ensured.
The hook 7 comprises a hook 7 with a snake-shaped inlet, a positioning mechanism arranged above the hook 7 and a traction mechanism arranged above the positioning mechanism, and a pressure sensing element is arranged in the hook 7. The design of the serpentine inlet is difficult to drag out under natural conditions after the hauling rope is entered.
The pressure sensing element is positioned between the hook 7 and the traction rope 19 so as to measure the contact pressure of the hook 7 and the traction rope, the traction mechanism comprises two rollers 8 which are oppositely arranged, and a sliding rail 9 which drives the rollers 8 to translate is arranged at the lower part of the rollers 8.
The sensing element comprises a pressure sensor, a controller electrically connected with the pressure sensor and a display screen arranged at the output end of the controller.
The turntable 1 is provided with a secondary turntable, and the fixed pulley 5 is arranged on the secondary turntable. The mounting position is convenient to adjust timely.
The two sides of the ladder stand 6 are also provided with sliding blocks 12, the sliding blocks 12 are driven to lift by independent sliding block 12 driving mechanisms, and the sliding blocks 12 are provided with ladder stand cleaning rollers 10.
The installation and use method of the auxiliary device for the tower crane crawling ladder with the perpendicularity early warning comprises the following steps:
(1) Fixing a traction rope: an active winding mechanism 3 is arranged on the cat ladder 6 and at the outlet end of a worker, a passive unwinding mechanism 4 is arranged on the turntable 1, and the two ends of the traction rope 19 after passing through the fixed end are respectively connected with the active winding mechanism 3 and the passive unwinding mechanism 4;
(2) Fixed monitoring equipment: a buckle fixing traction rope 19 is arranged on the cat ladder 6, and mechanical monitoring equipment is arranged on the buckle;
(3) Adjusting a traction rope: when the standard knot is added or subtracted, firstly the winding equipment is loosened, the tension of the traction rope 19 is reduced to provide an adjustment space, secondly the position of the active winding mechanism 3 is replaced, the active winding mechanism is adjusted to a new outlet of the ladder stand 6, and then the traction rope 19 is tensioned again, and the step 2 is returned until the hoisting construction of the tower crane 2 is completed.
In the step (1), after each standard knot is additionally installed, the length of the unreeled traction rope 19 is adjusted; at least every 3 standard knots are a circulation air potential, and the fixed position of the active unreeling mechanism is adjusted.
The two sides of the ladder stand 6 are also provided with sliding blocks 12, the sliding blocks 12 are driven to lift by independent sliding block 12 driving mechanisms, and the sliding blocks 12 are provided with ladder stand cleaning rollers 10. The sliding block 12 and the cleaning roller mainly aim at a single standard section, realize timing cleaning, can effectively prevent dust residue and accumulation of frost and dew in winter, and effectively play a role in skid resistance in the climbing process of workers.
In a specific use state, the positions of the active winding mechanism 3 and the passive unwinding mechanism 4 can be adjusted according to real-time working conditions, specifically, so as to keep the climbing range of the haulage rope 19 covered by a worker, and the range is enough to ensure that the measurement result of the perpendicularity of the equipment is obtained.
In the working process, when the perpendicularity deviation occurs to the equipment, the deviation condition of the equipment can be judged according to the collected information of each mechanical monitoring equipment and the change of the numerical value of each mechanical monitoring equipment, for example: by adopting information of 10 mechanical monitoring devices from top to bottom, when the pressure between the traction rope 19 and the hook 7 is found to be approximately equal-difference series change, the side surface proves that the device has a certain degree of offset.
In the working process, under the sudden state, workers can relay by means of the traction ropes 19 and return to the safe stations, meanwhile, the monitoring device can timely know the places and floors of the accidents according to the data change of each monitoring information, auxiliary personnel are dispatched to cooperatively process, the automation degree is high, the cost is low, and the potential safety hazard of the workers is greatly reduced.
In specific work, the passive unreeling mechanism 4 is arranged on the turntable 1 or near the standard knot, so that smooth fixing and mechanical measurement of the traction rope 19 can be realized.
The sliding rail 9 is used for adjusting the distance between the rollers 8, so that the position and the contact pressure can be conveniently adjusted.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Tower crane cat ladder auxiliary device with straightness early warning that hangs down, its characterized in that: the automatic winding and unwinding device comprises a traction rope (19) arranged on the side surface of a crawling ladder (6), wherein one end of the traction rope (19) is provided with an active winding mechanism (3), the other end of the traction rope is connected with a passive unwinding mechanism (4), the traction rope (19) winds a fixed pulley (5), and the fixed pulley (5) is fixed on a turntable (1) of a tower crane (2);
the active winding mechanism (3) is arranged on a fixed surface adjacent to the climbing starting end, the active winding mechanism (3) comprises a roller driven by a bidirectional motor, and the traction rope (19) is wound on the roller layer by layer;
the passive unreeling mechanism (4) is arranged below the fixed pulley (5), the passive unreeling mechanism (4) comprises a main shaft, a traction rope (19) is wound on the main shaft layer by layer, and a reset spring (15) is arranged at the root of the main shaft;
a hook (7) is arranged on the side surface of the crawling ladder (6) to hang the traction rope (19), and a pressure sensing element for measuring and calculating the contact pressure between the traction rope (19) and the hook (7) is arranged on the hook (7);
the intelligent control system further comprises a controller in the total service platform, wherein the input end of the controller is connected with the pressure sensing element, and the output end of the controller is connected with the display screen.
2. The tower crane crawling ladder auxiliary device with perpendicularity early warning according to claim 1, wherein: the motor spindle of the active winding mechanism (3) is provided with a torsion sensing mechanism, and the active winding mechanism (3) is also provided with a locking pin and a matched locking pin hole.
3. The tower crane crawling ladder auxiliary device with perpendicularity early warning according to claim 1, wherein: the device is characterized in that a stretching length early warning mechanism is arranged on the passive unreeling mechanism (4), the stretching length early warning mechanism comprises an inductive switch (17) arranged on a traction rope (19) and a departure switch correspondingly arranged at an outlet of the traction rope (19), the distance between a mounting point of the inductive switch (17) and a mounting point of a main shaft fixing point is not more than 1m, a passage is formed after the inductive switch (17) is contacted with a trigger switch (18), an alarm element and an audible-visual alarm element are connected to the passage, and the alarm element is simultaneously connected with the input end of the controller.
4. The tower crane crawling ladder auxiliary device with perpendicularity early warning according to claim 1, wherein: the hook (7) comprises a hook (7) with a snake-shaped inlet, a positioning mechanism arranged above the hook (7) and a traction mechanism arranged above the positioning mechanism, and a pressure sensing element is arranged in the hook (7).
5. The tower crane crawling ladder auxiliary device with perpendicularity early warning according to claim 4, wherein: the pressure sensing element is positioned between the hook (7) and the traction rope (19) so as to measure the contact pressure of the hook and the traction rope, the traction mechanism comprises two rollers (8) which are oppositely arranged, and a sliding rail (9) which drives the rollers (8) to translate is arranged at the lower part of the rollers (8).
6. The tower crane crawling ladder auxiliary device with perpendicularity early warning according to claim 5, wherein: the sensing element comprises a pressure sensor, a controller electrically connected with the pressure sensor and a display screen arranged at the output end of the controller.
7. The tower crane crawling ladder auxiliary device with perpendicularity early warning according to claim 1, wherein: the turntable (1) is provided with a secondary turntable (1), and the fixed pulley (5) is arranged on the secondary turntable (1).
8. The tower crane crawling ladder auxiliary device with perpendicularity early warning according to claim 1, wherein: the two sides of the crawling ladder (6) are also provided with sliding blocks (12), the sliding blocks (12) are driven to lift by independent sliding block (12) driving mechanisms, and the crawling ladder cleaning rollers (10) are arranged on the sliding blocks (12).
9. The method for installing and using the auxiliary device for the tower crane crawling ladder with the perpendicularity early warning according to claim 1, comprising the following steps:
fixing traction rope (19): an active winding mechanism (3) is arranged on the crawling ladder (6) and at the outlet end of a worker, a passive unwinding mechanism (4) is arranged on the turntable (1), and the two ends of the traction rope (19) after passing through the fixed end are respectively connected with the active winding mechanism (3) and the passive unwinding mechanism (4);
fixed monitoring equipment: a buckle fixing traction rope (19) is arranged on the cat ladder (6), and mechanical monitoring equipment is arranged on the buckle;
adjusting the traction rope (19): when the standard knot is added or subtracted, firstly loosening the winding equipment, reducing the tension of the traction rope (19) to provide an adjustment space, secondly replacing the position of the active winding mechanism (3), adjusting to a new cat ladder (6) outlet, and then tensioning the traction rope (19) again, and returning to the step (2) until the hoisting construction of the tower crane (2) is completed.
10. The method for installing and using the auxiliary device for the tower crane crawling ladder with the perpendicularity early warning function according to claim 9, wherein the method comprises the following steps of: in the step (1), after each standard knot is additionally arranged, the length of an unreeled traction rope (19) is adjusted; at least every 3 standard knots are a circulation air potential, and the fixed position of the active unreeling mechanism is adjusted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310846614.0A CN116924237A (en) | 2023-07-11 | 2023-07-11 | Tower crane cat ladder auxiliary device with perpendicularity early warning function and matched installation and use method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310846614.0A CN116924237A (en) | 2023-07-11 | 2023-07-11 | Tower crane cat ladder auxiliary device with perpendicularity early warning function and matched installation and use method |
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Publication Number | Publication Date |
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CN116924237A true CN116924237A (en) | 2023-10-24 |
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Application Number | Title | Priority Date | Filing Date |
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CN202310846614.0A Pending CN116924237A (en) | 2023-07-11 | 2023-07-11 | Tower crane cat ladder auxiliary device with perpendicularity early warning function and matched installation and use method |
Country Status (1)
Country | Link |
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CN (1) | CN116924237A (en) |
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2023
- 2023-07-11 CN CN202310846614.0A patent/CN116924237A/en active Pending
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