CN112811331A

CN112811331A - Tower crane climbing device of high security

Info

Publication number: CN112811331A
Application number: CN202110283001.1A
Authority: CN
Inventors: 吕亚前
Original assignee: Hangzhou Xiangning Trading Co ltd
Current assignee: Hangzhou Xiangning Trading Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-05-18

Abstract

The invention relates to the field of building tower cranes and discloses a high-safety tower crane climbing device which comprises a ladder stand supporting rod fixedly installed on a tower crane, wherein ladder stand handrails are fixed on one side end face of the ladder stand supporting rod at equal intervals from top to bottom, an air outlet is fixed at the joint of each ladder stand handrail and the corresponding ladder stand supporting rod, a protective block is fixed on each ladder stand supporting rod from top to bottom, a climbing cavity penetrating through the protective block from top to bottom is arranged in each protective block, blocking cavities are communicated in end walls on two sides of each climbing cavity, and blocking assemblies are arranged in the blocking cavities. This tower crane climbing device of high security can be when the climber falls downwards from the cat ladder because of skidding, expandes the board that will block to avoid the climber to last to fall downwards, can aerify the gasbag simultaneously, thereby avoid the climber to receive the injury because of striking or collision when the landing.

Description

Tower crane climbing device of high security

Technical Field

The invention relates to the technical field of building tower cranes, in particular to a high-safety tower crane climbing device.

Background

In daily building construction, the tower crane is the most common hoisting equipment, and the user generally needs to climb from the ground along a ladder stand to a high control room to be able to operate the tower crane.

Traditional tower crane climbing building body structure is comparatively simple, only has the cat ladder and protects and encloses the fender, can't reduce the injury that the climbing person received when meetting the condition of climbing person landing to be difficult for blockking climbing person's landing trend, simultaneously when the weather of temperature is lower, the cat ladder surface frost that easily condenses makes the probability increase of climbing person landing, has the potential safety hazard.

Disclosure of Invention

The high-safety tower crane climbing device provided by the invention has the advantage of preventing a climber from falling from high altitude, and solves the problems that the climber is easily seriously injured when falling off and frost is easily condensed on the surface of the climbing ladder in the weather with low temperature.

The invention provides the following technical scheme: a high-safety tower crane climbing device comprises a ladder stand supporting rod fixedly installed on a tower crane, a ladder stand handrail is fixedly arranged on one side end face of the ladder stand supporting rod, an air outlet is fixed at the joint of the ladder stand handrail and the ladder stand supporting rod, a protective block is fixed on the ladder stand supporting rod from top to bottom, a climbing cavity penetrating through the protective block from top to bottom is arranged in the protective block, blocking cavities are communicated in end walls on two sides of the climbing cavity, a blocking component is arranged in each blocking cavity, a sliding cavity is communicated in an end wall on one side, away from the ladder stand supporting rod, of the climbing cavity, a defrosting component is arranged in each sliding cavity, a power cavity is communicated on one side, away from the ladder stand supporting rod, of the power cavity, an elastic cavity with an upward opening is arranged on one side, and a limiting cavity is communicated in an end wall on one side of the elastic cavity, the ladder stand supporting rod comprises an elastic cavity, an elastic block is arranged in the elastic cavity in a sliding mode, a rotating cavity with an upward opening is formed in the elastic block, a protection assembly is arranged in the rotating cavity, a heat conduction layer capable of transferring heat is fixedly connected to the joint of the protection block and the ladder stand supporting rod, and a heat insulation assembly is arranged on one side, away from the ladder stand supporting rod, of the heat conduction layer.

The arresting component comprises a main motor fixed in the end wall of one side of the arresting cavity, a motor shaft in rotary connection with the end wall of the other side of the arresting cavity is connected in the main motor in a power connection mode, arresting plates are fixed on the motor shaft, and the two arresting plates can move into the crawling cavity to arrest a human body from falling downwards.

Carefully, the defrosting subassembly including slide set up in sliding block in the slip intracavity, the sliding block is close to slip chamber open-ended one side is fixed with the shower nozzle, the sliding block is kept away from one side in climbing chamber is fixed with the slide bar, the downside of slide bar is fixed with the part and extends to guide arm in the power intracavity, the opening part in slip chamber is fixed with the division board.

The device is characterized in that a power shaft is rotatably arranged between the upper end wall and the lower end wall of the power cavity, a rotary drum is fixed on the power shaft, a circular groove in sliding contact with the guide rod is arranged on the end face of the outer side of the rotary drum, the guide rod can slide in the circular groove, so that the guide rod can reciprocate up and down, and a power motor in power connection with the power shaft is fixedly connected to the lower end wall of the power cavity.

Carefully, the protection subassembly including rotate set up in rotate the pivot between the chamber both sides end wall, the pivot with the junction fixedly connected with volute spiral spring that rotates the chamber, be fixed with in the pivot that the part extends to retrieve the piece in the elasticity intracavity, be provided with the recovery chamber that the opening faces up in retrieving the piece, retrieve the intracavity and placed the gasbag, it is close to retrieve the chamber one side end wall internal fixation of pivot has the aerator, the upside power connection of aerator have with the gas tube of gasbag intercommunication, the lower terminal surface of elasticity piece with fixedly connected with elasticity spring between the lower terminal wall in elasticity chamber.

The selection, be provided with in the elastic block the opening can with the draw-in groove that restriction chamber opening was aimed at, the draw-in groove is kept away from a side end face of elastic block with the restriction chamber is kept away from fixedly connected with restriction spring between a side end wall of elastic block, the lower terminal wall intercommunication in restriction chamber is provided with the absorption chamber, the downside of restriction block be fixed with slide set up in adsorb the absorption piece in the intracavity, the absorption chamber is kept away from a side end wall internal fixation of elastic block has the circular telegram back and can attract electromagnet in the absorption block.

The ladder stand support rod is characterized in that a heater is fixedly mounted on one side, away from the ladder stand support rod, of the heat conduction layer, an exchange cavity is formed in one side, away from the heat conduction layer, of the heater, a fan is fixedly mounted on the lower side of the elastic cavity, one side of the fan is communicated with an air inlet pipe communicated with the outside, the other side of the fan is communicated with an exchange pipe extending into the exchange cavity, one end of the exchange pipe is communicated with a transfer pipe, and one end of the transfer pipe is communicated with the sliding block and the air outlet respectively.

The invention has the following beneficial effects:

1. the blocking plate can be unfolded when a climber falls downwards from the ladder due to slipping, so that the climber is prevented from continuously falling downwards, and meanwhile, the air bag can be inflated, so that the climber is prevented from being injured due to collision or collision during slipping.

2. The heating device can also be used for heating the ladder in cold weather and then continuously defrosting the ladder, so that a climber can not slip and fall due to frost attached to the ladder when climbing.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure taken along the line A-A in FIG. 1;

FIG. 3 is a sectional view of the structure taken along the line B-B in FIG. 1;

FIG. 4 is an enlarged view of FIG. 1 at C;

FIG. 5 is a perspective view of the present invention;

fig. 6 is a schematic structural diagram of the working state of the present invention.

In the figure: 10. a protection block; 11. an exchange chamber; 12. a heater; 13. exchanging pipes; 14. a climbing cavity; 15. a slide bar; 16. a guide bar; 17. a rotating drum; 18. a power motor; 19. a power shaft; 20. a fan; 21. an air inlet pipe; 22. an elastic spring; 23. an elastic block; 24. a rotating shaft; 25. an inflator; 26. an inflation tube; 27. an elastic cavity; 28. an air bag; 30. recovering the blocks; 31. a recovery chamber; 32. a rotation chamber; 33. a power cavity; 34. a slider; 35. a spray head; 36. a partition plate; 37. a sliding cavity; 38. a damming board; 39. a blocking cavity; 40. ladder climbing handrails; 41. a ladder stand support rod; 42. an air outlet; 43. a heat conductive layer; 44. a transfer tube; 45. a main motor; 46. a motor shaft; 47. a volute spiral spring; 48. a card slot; 49. a limiting block; 50. a confinement chamber; 51. a restraining spring; 52. an electromagnet; 53. an adsorption chamber; 54. and (5) adsorbing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a high-safety tower crane climbing device comprises a ladder support rod 41 fixedly installed on a tower crane, a ladder handrail 40 with equal spacing from top to bottom is fixed on one side end face of the ladder support rod 41, an air outlet 42 is fixed at the joint of the ladder handrail 40 and the ladder support rod 41, a protective block 10 is fixed on the ladder support rod 41 from top to bottom, a climbing cavity 14 penetrating up and down is arranged in the protective block 10, a blocking cavity 39 is communicated and arranged in the end walls of two sides of the climbing cavity 14, a blocking component is arranged in the blocking cavity 39, a sliding cavity 37 is communicated and arranged in the end wall of one side of the climbing cavity 14 far away from the ladder support rod 41, a defrosting component is arranged in the sliding cavity 37, a power cavity 33 is communicated and arranged on one side of the sliding cavity 37 far away from the power cavity 27 with an upward opening, the utility model discloses a cat ladder support rod 41, including elasticity chamber 27, one side end wall in-connection of elasticity chamber 27 is provided with restriction chamber 50, it has elasticity piece 23 to slide in the elasticity chamber 27, be provided with the rotation chamber 32 that the opening is up in the elasticity piece 23, it is provided with the protection subassembly to rotate the intracavity 32, protection piece 10 with the junction fixedly connected with of cat ladder support rod 41 can transmit thermal heat-conducting layer 43, one side that cat ladder support rod 41 was kept away from to heat-conducting layer 43 is provided with the thermal insulation component.

The arresting assembly comprises a main motor 45 fixed in the end wall of one side of the arresting cavity 39, a motor shaft 46 in rotary connection with the end wall of the other side of the arresting cavity 39 is in power connection with the main motor 45, arresting plates 38 are fixed on the motor shaft 46, and the two arresting plates 38 can move to the crawling cavity 14 to arrest a human body from falling downwards.

Wherein, the defrosting subassembly including slide set up in sliding block 34 in the sliding chamber 37, sliding block 34 is close to sliding chamber 37 open-ended one side is fixed with shower nozzle 35, sliding block 34 keeps away from one side of climbing chamber 14 is fixed with slide bar 15, slide bar 15's downside is fixed with the part and extends to guide arm 16 in the power chamber 33, sliding chamber 37's opening part is fixed with division board 36.

The power shaft 19 is rotatably arranged between the upper end wall and the lower end wall of the power cavity 33, the rotary drum 17 is fixed on the power shaft 19, an annular groove in sliding contact with the guide rod 16 is formed in the end face of the outer side of the rotary drum 17, the guide rod 16 can slide in the annular groove, so that the guide rod 16 can reciprocate up and down, and the power motor 18 in power connection with the power shaft 19 is fixedly connected to the lower end wall of the power cavity 33.

Wherein, the protection subassembly including rotate set up in rotate pivot 24 between the chamber 32 both sides end wall, pivot 24 with the junction fixedly connected with volute spiral spring 47 who rotates chamber 32, be fixed with the part on the pivot 24 and extend to retrieve the piece 30 in the elasticity chamber 27, it is provided with the ascending recovery chamber 31 of opening in the piece 30 to retrieve, gasbag 28 has been placed in retrieving the chamber 31, it is close to retrieve the chamber 31 a side end wall internal fixation of pivot 24 has inflator 25, the upside power connection of inflator 25 have with the gas tube 26 of gasbag 28 intercommunication, the lower terminal surface of elasticity piece 23 with fixedly connected with elastic spring 22 between the lower terminal wall of elasticity chamber 27.

The elastic block 23 is internally provided with a clamping groove 48 with an opening capable of being aligned with the opening of the limiting cavity 50, the clamping groove 48 is far away from one side end face of the elastic block 23 and the limiting cavity 50 is far away from a side end wall of the elastic block 23, a limiting spring 51 is fixedly connected between the side end walls, the lower end wall of the limiting cavity 50 is communicated with an adsorption cavity 53, the lower side of the limiting block 49 is fixedly provided with an adsorption block 54 which is arranged in the adsorption cavity 53 in a sliding manner, and the adsorption cavity 53 is far away from one side end wall of the elastic block 23 and is internally fixed with an electromagnet 52 which can attract the adsorption block 54 after being electrified.

The heater 12 is fixedly mounted on one side, away from the ladder stand supporting rod 41, of the heat conducting layer 43, the exchange cavity 11 is arranged on one side, away from the heat conducting layer 43, of the heater 12, the fan 20 is fixedly mounted on the lower side of the elastic cavity 27, the air inlet pipe 21 communicated with the outside is communicated with one side of the fan 20, the exchange pipe 13 extending into the exchange cavity 11 is communicated with the other side of the fan 20, the transfer pipe 44 is communicated with one end of the exchange pipe 13, and one end of the transfer pipe 44 is respectively communicated with the sliding block 34 and the air outlet 42.

The working principle is as follows: the blocking plate 38 is positioned in the blocking cavity 39, the recovery block 30 is positioned in the elastic cavity 27, the limiting block 49 is partially positioned in the clamping groove 48, the electromagnet 52 is not electrified, a user needing to climb a tower crane climbs upwards through the ladder handrail 40, if the user slips and falls downwards in the climbing process, the main motor 45 is started, the blocking plate 38 is driven to rotate through the motor shaft 46, the communication position of the climbing cavity 14 is sealed by the blocking plate 38, the user cannot continuously fall downwards, meanwhile, the electromagnet 52 is electrified, the adsorption block 54 moves to one side far away from the elastic block 23, the limiting block 49 moves into the limiting cavity 50, when the limiting block 49 is completely moved out of the clamping groove 48, the elastic block 23 bounces upwards under the action of the elastic spring 22, the recovery block 30 bounces upwards, and the recovery block 30 rotates around the rotating shaft 24 in the anticlockwise direction under the action of the volute spiral spring 47, at the same time, the inflator 25 is actuated, generating a large amount of gas that is transferred through the inflation tube 26 into the airbag 28, thereby inflating the air bag 28, so that the user can drop onto the air bag 28 when falling, thereby reducing the injury risk of the user falling, and when the surface of the ladder handrail 40 is frozen in extreme cold weather, the fan 20 and the heater 12 are started, so that the external air is sucked by the blower 20 and is transferred through the exchange tube 13, and the portion passing through the exchange chamber 11 is heated by the heat generated from the heater 12, then the ice is respectively sprayed out from the air outlet 42 and the spray head 35 through the transfer pipe 44, the sprayed hot air melts the ice on the surface of the stair climbing handrail 40, while the heat generated from the heater 12 is transferred to the ladder support rod 41 through the heat conductive layer 43, thereby ensuring that a user does not slip and drop as a result of the ladder handrail 40 freezing while climbing with the ladder handrail 40 in cold weather.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tower crane climbing device of high security, includes cat ladder bracing piece (41) of fixed mounting on the tower crane, its characterized in that: a ladder handrail (40) which is equidistant from top to bottom is fixed on one side end face of the ladder support rod (41), an air outlet (42) is fixed at the joint of the ladder handrail (40) and the ladder support rod (41), a protective block (10) is fixed on the ladder support rod (41) from top to bottom, a crawling cavity (14) which penetrates through the ladder handrail from top to bottom is arranged in the protective block (10), a blocking cavity (39) is communicated and arranged in the end walls of the two sides of the crawling cavity (14), a blocking component is arranged in the blocking cavity (39), a sliding cavity (37) is communicated and arranged in the end wall of one side of the crawling cavity (14) far away from the ladder support rod (41), a defrosting component is arranged in the sliding cavity (37), a power cavity (33) is communicated and arranged on one side of the sliding cavity (37) far away from the ladder support rod (41), and an elastic cavity (27) with an upward opening is arranged on one side of the power cavity (33) far away, the utility model discloses a ladder stand support structure, including elasticity chamber (27), one side end wall in-connection of elasticity chamber (27) is provided with restriction chamber (50), it is provided with elasticity piece (23) to slide in elasticity chamber (27), be provided with opening rotation chamber (32) up in elasticity piece (23), be provided with the protection subassembly in rotation chamber (32), protection piece (10) with junction fixedly connected with of ladder stand bracing piece (41) can transmit thermal heat-conducting layer (43), one side that ladder stand bracing piece (41) was kept away from in heat-conducting layer (43) is provided with the subassembly that keeps warm.

2. The high-safety tower crane climbing device of claim 1, characterized in that: the blocking assembly comprises a main motor (45) fixed in the end wall of one side of the blocking cavity (39), a motor shaft (46) in rotary connection with the end wall of the other side of the blocking cavity (39) is in power connection with the main motor (45), blocking plates (38) are fixed on the motor shaft (46), and the two blocking plates (38) can move to the crawling cavity (14) to block a human body from falling downwards.

3. The high-safety tower crane climbing device of claim 1, characterized in that: defrosting subassembly including slide set up in sliding block (34) in sliding chamber (37), sliding block (34) are close to sliding chamber (37) open-ended one side is fixed with shower nozzle (35), sliding block (34) are kept away from one side of climbing chamber (14) is fixed with slide bar (15), the downside of slide bar (15) is fixed with the part and extends to guide arm (16) in power chamber (33), the opening part of sliding chamber (37) is fixed with division board (36).

4. The high-safety tower crane climbing device of claim 1, characterized in that: the power mechanism is characterized in that a power shaft (19) is rotatably arranged between the upper end wall and the lower end wall of the power cavity (33), a rotary drum (17) is fixed on the power shaft (19), an annular groove in sliding contact with the guide rod (16) is formed in the end face of the outer side of the rotary drum (17), the guide rod (16) can slide in the annular groove, so that the guide rod (16) can reciprocate up and down, and the lower end wall of the power cavity (33) is fixedly connected with a power motor (18) in power connection with the power shaft (19).

5. The high-safety tower crane climbing device of claim 1, characterized in that: the protection subassembly including rotate set up in rotate pivot (24) between chamber (32) both sides end wall, pivot (24) with the junction fixedly connected with spiral spring (47) of rotating chamber (32), be fixed with the part on pivot (24) and extend to retrieve piece (30) in elasticity chamber (27), be provided with opening recovery chamber (31) up in retrieving piece (30), gasbag (28) have been placed in retrieving chamber (31), it is close to retrieve chamber (31) one side end wall internal fixation of pivot (24) has inflator (25), the upside power of inflator (25) be connected with gas tube (26) of gasbag (28) intercommunication, the lower terminal surface of elasticity piece (23) with fixedly connected with elasticity spring (22) between the lower terminal wall of elasticity chamber (27).

6. The high-safety tower crane climbing device of claim 1, characterized in that: be provided with the opening in elasticity piece (23) can with draw-in groove (48) that restriction chamber (50) opening was aligned, draw-in groove (48) are kept away from a side end face of elasticity piece (23) with restriction chamber (50) are kept away from fixedly connected with restriction spring (51) between a side end wall of elasticity piece (23), the lower extreme wall intercommunication in restriction chamber (50) is provided with adsorbs chamber (53), the downside of restricting piece (49) is fixed with to slide set up in adsorb block (54) in chamber (53), it keeps away from to adsorb chamber (53) one side end wall internal fixation of elasticity piece (23) has to attract after the circular telegram electromagnet (52) in adsorbing block (54).

7. The high-safety tower crane climbing device of claim 1, characterized in that: keep away from heat-conducting layer (43) one side fixed mounting who cat ladder bracing piece (41) has heater (12), heater (12) are kept away from one side of heat-conducting layer (43) is provided with exchange chamber (11), the downside fixed mounting of elasticity chamber (27) has fan (20.) one side intercommunication of fan (20) has air-supply line (21) with external intercommunication, the opposite side intercommunication of fan (20) has extension to exchange pipe (13) in exchange chamber (11), the one end intercommunication of exchange pipe (13) has transfer pipe (44), the one end of transfer pipe (44) respectively with sliding block (34) with air outlet (42) intercommunication.