CN212924197U

CN212924197U - Tower crane

Info

Publication number: CN212924197U
Application number: CN202021522591.6U
Authority: CN
Inventors: 谢晓英
Original assignee: Hebei Rongwei Power Engineering Co ltd
Current assignee: Hebei Rongwei Power Engineering Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-09
Anticipated expiration: 2030-07-28

Abstract

The application relates to a tower crane, which comprises a bottom frame, a tower body, a tower cap, a crane boom and a balance arm, wherein the bottom frame is fixedly connected with the ground, the tower body is fixedly connected to the central position of the upper surface of the bottom frame, the tower cap is rotatably connected to one end of the tower body far away from the bottom frame, and the axis of rotation of tower cap is tower body length direction's central line, jib loading boom and balance arm difference fixed connection are on tower cap symmetry both sides wall top, fixedly connected with is used for the spray assembly who sprinkles for the construction site on the tower cap, spray assembly includes the box, hose and shower nozzle, box and tower cap fixed connection, hose intercommunication box and shower nozzle, the bottom of box is pegged graft to the one end that the hose is close to the box, the jib loading boom lower surface is provided with the slip subassembly that is used for driving the shower nozzle and removes along jib loading boom length direction, the box top is provided with the pressurized subassembly to pressurizeing in the box, this application has the effect that does not need the staff to remove dust to the job site with.

Description

Tower crane

Technical Field

The application relates to the technical field of cranes, in particular to a tower crane.

Background

The tower crane is the most common hoisting equipment in the construction site, is called a tower crane and is used for hoisting raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, and the crane winds and releases steel wire ropes through a motor on a cross beam so as to realize hoisting of heavy objects.

The existing Chinese patent with reference to publication number CN207943799U discloses a tower crane, which comprises a bottom frame, a tower body, a tower cap, a crane boom and a balance arm, wherein the bottom frame is fixed by an inclined strut type fixing plate, a hydraulic lifting system device is arranged on the bottom frame, a boom pull rod is arranged at the top of the tower cap, the crane boom is arranged on the left side of the tower cap, a lifting hook device is arranged at the left end of the crane boom, a working chamber is arranged on the right side of the crane boom, the balance arm is arranged on the right side of the working chamber, a balance weight is arranged on the right side of the balance arm, a safety net is arranged on the tower body, when the tower crane is used, the arrangement of the hydraulic lifting system device is convenient for workers.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: can produce the raise dust at the job site especially in the drier season of weather, above-mentioned technical scheme needs the staff to remove dust with the help of special watering equipment, and the height that current watering equipment can reach is lower, and dust removal effect is general and staff's work load is big, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that needs the staff to remove dust to the construction site with the help of special watering equipment among the above-mentioned scheme, this application provides a tower crane.

The application provides a tower crane adopts following technical scheme: the utility model provides a tower crane, including the chassis, the body of the tower, the tower cap, jib loading boom and balance arm, chassis and ground fixed connection, body of the tower fixed connection is put at chassis upper surface central point, the tower cap rotates the one end of connecting and keeping away from the chassis at the body of the tower, and the axis of rotation of tower cap is body of the tower length direction's central line, jib loading boom and balance arm difference fixed connection are on tower cap symmetry both sides wall top, fixedly connected with is used for the subassembly that sprays for the construction site watering on the tower cap, it includes the box to spray the subassembly, hose and shower nozzle, box and tower cap fixed connection, hose intercommunication box and shower nozzle, the bottom of box is pegged graft to the one end that the hose is close to the box, the jib loading boom lower surface is provided with the slip subassembly that is used for.

Through adopting above-mentioned technical scheme, the pressurization subassembly is to the box air of filling during the use, atmospheric pressure grow in the box, rivers in the box this moment are in to the hose, continuously pressurize in the box, water in the box is spout in the shower nozzle, under the drive of sliding assembly, the shower nozzle can be followed the length direction removal of jib loading boom, tower cap and body of the tower rotatable coupling, do not need the staff to remove dust to the job site with the help of external instrument, can realize spraying on a large scale in high altitude simultaneously, the height that reaches is higher, staff's work load has been reduced, and the work efficiency is improved.

Preferably, the sliding assembly comprises a sliding sleeve, a rack, a gear and a rotating motor, the rack is located at the bottom end of the crane boom, two ends of the rack are fixedly connected with the crane boom, the sliding sleeve is sleeved on the circumferential outer wall of the rack and slides along the length direction of the rack, the gear is located in the sliding sleeve and is meshed with the rack, the rotating motor is fixedly connected to the outer wall of the sliding sleeve, an output shaft of the rotating motor penetrates through the side wall of the sliding sleeve to be rotatably connected with the sliding sleeve, and the output shaft of the rotating motor is fixedly connected.

Through adopting above-mentioned technical scheme, when the sliding component drove the shower nozzle and removes along the length direction of jib loading boom, start and rotate the motor, the rotor that rotates the motor drives gear and rotates, because rack and gear engagement, the gear takes the sliding sleeve and rotates the motor and slides along the length direction of rack to accomplish the effect that drives the shower nozzle and remove, the sliding component is in the in-process that uses, only need the staff adjust rotate the motor can, the setting of sliding component has increased the spraying scope that sprays the subassembly.

Preferably, the pressurizing assembly comprises a pressurizing pump and a vent pipe, the pressurizing pump is fixedly connected to the upper surface of the box body, and the vent pipe is communicated with the pressurizing pump and the box body.

Through adopting above-mentioned technical scheme, the pressurizing assembly is to filling air in the box, makes the atmospheric pressure in the box be greater than atmospheric pressure, again because the hose is close to the one end of box and is located the bottom of box, and the moisture in the box passes through the hose outflow this moment, and the staff only need control the force (forcing) pump and just can realize controlling spray assembly, has reduced staff's work load, has improved staff's work efficiency simultaneously.

Preferably, the spray head is an atomizing spray head.

Through adopting above-mentioned technical scheme, atomizer enables the liquid in the box and forms very little liquid fog to increase the area of contact of liquid and dust, thereby improved dust removal effect, and the same spray regime, atomizer consumed liquid is less.

Preferably, a roller is arranged between the side wall of the rack far away from the gear and the sliding sleeve, and the rotating shaft of the roller penetrates through the sliding sleeve and is rotatably connected with the sliding sleeve.

Through adopting above-mentioned technical scheme, the gyro wheel rotates with the sliding sleeve to be connected, and when sliding assembly drove the shower nozzle and removes, the setting of gyro wheel can reduce the friction between sliding sleeve and the rack to the work load of rotating the motor has been reduced.

Preferably, be provided with the sleeve between box and the tower cap, the sleeve opening is vertical upwards, sleeve and tower cap fixed connection, and the box slides and pegs graft in the sleeve, and hose and box intercommunication department are provided with the connecting pipe, hose and connecting pipe inner wall fixed connection, connecting pipe outer wall and box threaded connection.

Through adopting above-mentioned technical scheme, telescopic setting can make things convenient for the staff to take off the box from the tower cap to make things convenient for the staff to supply moisture in to the box, the setting of connecting pipe can make things convenient for the staff to carry out the split with hose and box, has reached the effect that reduces staff's work load.

Preferably, one side of the crane boom close to the tower cap is provided with a winding and unwinding assembly for winding and unwinding a hose, the winding and unwinding assembly comprises a winding sleeve, a winding motor and a winding roller, the winding sleeve is fixedly connected to one side of the lower surface of the crane boom close to the tower cap, the winding motor is fixedly connected to the outer wall of the winding sleeve, a rotating shaft of the winding roller penetrates through the side wall of the winding sleeve and is rotatably connected with the winding sleeve, an output shaft of the winding motor is fixedly connected with the winding roller, and the hose is fixedly connected with the winding roller at the position where the hose is abutted to the winding.

Through adopting above-mentioned technical scheme, when using to receive and release the subassembly and receive and release the hose or add water in to the box, the disconnection connecting pipe is connected with the box earlier to realize being connected of disconnection hose and box, start the rolling motor this moment, rolling motor's output shaft drives the wind-up roll and rotates, thereby realizes the rolling of hose, and the hose after the rolling can reduce the influence of wind-blown sun to the hose, has reduced the influence of hose to the construction simultaneously.

Preferably, the top end of the box body is fixedly connected with a hook.

Through adopting above-mentioned technical scheme, the setting of couple can make things convenient for the staff to be connected the hook assembly of box with the hoist to make things convenient for the staff to change the box, reduced staff's work load, improved staff's work efficiency simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the spraying assembly, the pressurizing assembly and the sliding assembly are matched for use, high-altitude dust fall can be achieved, meanwhile, the pressurizing assembly can provide power for the spraying assembly, the sliding assembly increases the spraying area of the spraying assembly, and the effects of reducing the workload of workers and improving the working efficiency are achieved;

2. the hose can be retracted and extended by the aid of the retraction assembly and the connecting pipe in a matched mode, so that the hose is protected, and the influence of the hose on construction is reduced;

3. the arrangement of the sleeve and the hook can facilitate workers to place the box body on the ground to supplement the spraying liquid into the box body, and the effect of facilitating the use of the workers is achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view showing the positional relationship among the spray assembly, the slide assembly and the retractable assembly;

FIG. 3 is a schematic view of a portion of the components of the take-up assembly;

FIG. 4 is a partial schematic part view showing a compression assembly;

fig. 5 is a schematic view showing a part of the slide assembly.

In the figure, 1, a chassis; 11. a tower body; 12. a tower cap; 13. a cargo boom; 14. a balance arm; 2. a spray assembly; 21. a box body; 22. a hose; 23. a spray head; 3. a sliding assembly; 31. a sliding sleeve; 32. a rack; 33. a gear; 34. rotating the motor; 4. a pressurizing assembly; 41. a pressure pump; 42. a breather pipe; 5. a roller; 6. a sleeve; 7. a connecting pipe; 8. a retraction assembly; 81. rolling up the sleeve; 82. a winding motor; 83. a wind-up roll; 9. and (4) hanging hooks.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a tower crane.

Referring to fig. 1 and 2, the tower crane includes a bottom frame 1, a tower body 11, a tower cap 12, a crane boom 13 and a balance arm 14, the bottom frame 1 is fixedly connected with the ground, the tower body 11 is vertically and fixedly connected to the center of the upper surface of the bottom frame 1, the tower cap 12 is rotatably connected to one end of the tower body 11 far away from the bottom frame 1, the rotation axis of the tower cap 12 is the center line of the length direction of the tower body 11, the crane boom 13 and the balance arm 14 are fixedly connected to the top ends of two symmetrical side walls of the tower cap 12, a spray assembly 2 for spraying water and removing dust in a construction site is fixedly connected to the tower cap 12, and the spray assembly 2 is communicated with a.

Referring to fig. 2 and 3, the spray assembly 2 includes a box 21, a hose 22 and a nozzle 23, the box 21 is fixedly connected to the tower cap 12, the hose 22 connects the box 21 and the nozzle 23, one end of the hose 22 near the box 21 penetrates through the box 21 and extends to the bottom wall of the box 21, a sliding assembly 3 is disposed between the nozzle 23 and the boom 13 for driving the nozzle 23 to move along the length direction of the boom 13, when in use, spray liquid is filled into the box 21, and the pressurizing assembly 4 is started, at this time, the air pressure in the box 21 is greater than the atmospheric pressure, so that the spray liquid in the box 21 enters the hose 22 and is sprayed out from the nozzle 23, the sliding assembly 3 drives the nozzle 23 to slide along the length direction of the boom 13, the tower cap 12 and the tower body 11 can also be rotatably connected, and no worker needs to remove dust from a building site by means of an external tool, the workload of workers is reduced, and the working efficiency is improved.

Referring to fig. 2, the spray head 23 is an atomizing spray head 23, and the atomizing spray head 23 can make the liquid in the box body 21 form a small liquid mist, so that the contact area of the liquid and the dust is increased, and the dust removal effect is improved.

Referring to fig. 4, the pressurizing assembly 4 is located on the upper surface of the box 21, the pressurizing assembly 4 includes a pressurizing pump 41 and a vent pipe 42, the pressurizing pump 41 is fixedly connected on the upper surface of the box 21, the vent pipe 42 is communicated with the box 21 and the pressurizing pump 41, when the spraying assembly 2 needs to spray, the pressurizing pump 41 is started, the pressurizing pump 41 leads the outside air into the box 21, at the moment, the air pressure in the box 21 is greater than the outside standard atmospheric pressure, so that the spraying liquid in the box 21 is sprayed out, the pressurizing assembly 4 can be used only by adjusting and controlling the pressurizing pump 41 by a worker, and the whole operation process is simple.

Referring to 5, the sliding assembly 3 includes a sliding sleeve 31, a rack 32, a gear 33 and a rotating motor 34, the rack 32 is located at a central position of a length direction of a lower surface of the crane boom 13 and is fixedly connected with the crane boom 13, the sliding sleeve 31 is slidably sleeved on a circumferential outer wall of the rack 32 and slides along the length direction of the rack 32, the gear 33 is located in the sliding sleeve 31 and is meshed with the rack 32, the rotating motor 34 is fixedly connected with an outer wall of the sliding sleeve 31, an output shaft of the rotating motor 34 penetrates through a side wall of the sliding sleeve 31 to be rotatably connected with the sliding sleeve 31 and is fixedly connected with a rotating shaft of the gear 33, and the arrangement of the sliding assembly 3 can drive the spray head 23 to spray liquid.

Referring to fig. 5, a roller 5 is disposed between the sliding sleeve 31 and the rack 32, a rotation shaft of the roller 5 penetrates through the sliding sleeve 31 and is rotatably connected with the sliding sleeve 31, the roller 5 abuts against the rack 32, and friction force generated when the sliding sleeve 31 slides on the rack 32 can be reduced by the roller 5, so that working efficiency of the rotating motor 34 is improved.

Referring to fig. 4, be provided with sleeve 6 between box 21 and the tower cap 12, tower cap 12 slides and pegs graft in sleeve 6, be provided with connecting pipe 7 between hose 22 and the box 21, hose 22 run through connecting pipe 7 and with hose 22 fixed connection, fixed surface is connected with couple 9 on the box 21, during the use staff rotates connecting pipe 7, carry out the split with connecting pipe 7 and box 21, take hose 22 out in the box 21 again, be connected with the suspension system on couple 9 and the hoist, thereby shift box 21 to ground, add the spray liquid in the box 21, the effect of making things convenient for the staff to use has been reached.

Referring to fig. 3, a winding and unwinding assembly 8 for manually winding the hose 22 is arranged on one side of the crane boom 13 close to the tower cap 12, the winding and unwinding assembly 8 comprises a winding sleeve 81, a winding motor 82 and a winding roller 83, the winding sleeve 81 is fixedly connected to one end of the lower surface of the crane boom 13 close to the tower cap 12, the winding motor 82 is fixedly connected to the circumferential outer wall of the winding sleeve 81, an output shaft of the winding motor 82 penetrates through the side wall of the winding sleeve 81 and is fixedly connected with the side wall of the winding roller 83, the hose 22 is fixedly connected with the contact position of the rotating roller when the hose 22 is in an even state, when the winding and unwinding assembly 8 is used for winding the hose 22, the connection between the connecting pipe 7 and the box body 21 is disconnected, the winding motor 82 is started, the rotating shaft of the winding motor 82 drives the winding roller 83 to rotate, the hose 22 is wound on the circumferential outer wall of the winding roller, the effect of facilitating the use of the working personnel is achieved.

The implementation principle of the tower crane in the embodiment of the application is as follows: add earlier before spray set 2 uses to box 21 in to spray liquid, the suspension system who uses the hoist again pegs graft box 21 in sleeve 6, be fixed with hose 22 the one end of connecting pipe 7 this moment, this moment with connecting pipe 7 and box 21 threaded connection, start pressurization subassembly 4, pressurization subassembly 4 packs the air to box 21 intussuseption, atmospheric pressure in the box 21 this moment is greater than external standard atmospheric pressure, thereby make the water in the box 21 spout from shower nozzle 23, slide set 3 drives shower nozzle 23 and removes from the length direction along rack 32 this moment, spray set 2, slide set 3 and 4 cooperation uses and can realize the high altitude and carry out the dust fall to the building site, reduce staff's work load simultaneously, and the work efficiency is improved.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tower crane, including chassis (1), body of the tower (11), tower cap (12), jib loading boom (13) and balance arm (14), chassis (1) and ground fixed connection, body of the tower (11) fixed connection is put at chassis (1) upper surface central point, tower cap (12) are rotated and are connected the one end of keeping away from chassis (1) in body of the tower (11), and the axis of rotation of tower cap (12) is body of the tower (11) length direction's central line, jib loading boom (13) and balance arm (14) respectively fixed connection at tower cap (12) symmetrical both sides wall top, its characterized in that: fixedly connected with is used for spraying spray assembly (2) for the watering of construction site on tower cap (12), spray assembly (2) are including box (21), hose (22) and shower nozzle (23), box (21) and tower cap (12) fixed connection, hose (22) intercommunication box (21) and shower nozzle (23), the bottom of box (21) is pegged graft to the one end that hose (22) are close to box (21), jib loading boom (13) lower surface is provided with and is used for driving slip subassembly (3) that shower nozzle (23) removed along jib loading boom (13) length direction, box (21) top is provided with to box (21) internal pressure's pressure subassembly (4).

2. A tower crane according to claim 1, wherein: the sliding assembly (3) comprises a sliding sleeve (31), a rack (32), a gear (33) and a rotating motor (34), wherein the rack (32) is located at the bottom end of the crane boom (13), two ends of the rack (32) are fixedly connected with the crane boom (13), the sliding sleeve (31) is sleeved on the circumferential outer wall of the rack (32) in a sliding mode and slides along the length direction of the rack (32), the gear (33) is located in the sliding sleeve (31) and is meshed with the rack (32), the rotating motor (34) is fixedly connected to the outer wall of the sliding sleeve (31), an output shaft of the rotating motor (34) penetrates through the side wall of the sliding sleeve (31) to be rotatably connected with the sliding sleeve (31), and the output shaft of the rotating motor (34) is fixedly connected with the gear (.

3. A tower crane according to claim 1, wherein: the pressurizing assembly (4) comprises a pressurizing pump (41) and a vent pipe (42), the pressurizing pump (41) is fixedly connected to the upper surface of the box body (21), and the vent pipe (42) is communicated with the pressurizing pump (41) and the box body (21).

4. A tower crane according to claim 1, wherein: the spray head (23) is an atomizing spray head (23).

5. A tower crane according to claim 2, wherein: and a roller (5) is arranged between the side wall of the rack (32) far away from the gear (33) and the sliding sleeve (31), and the rotating shaft of the roller (5) penetrates through the sliding sleeve (31) and is rotatably connected with the sliding sleeve (31).

6. A tower crane according to claim 1, wherein: be provided with sleeve (6) between box (21) and tower cap (12), sleeve (6) opening is vertical upwards, sleeve (6) and tower cap (12) fixed connection, box (21) slide and peg graft in sleeve (6), and hose (22) and box (21) intercommunication department are provided with connecting pipe (7), and hose (22) and connecting pipe (7) inner wall fixed connection, connecting pipe (7) outer wall and box (21) threaded connection.

7. A tower crane according to claim 6, wherein: one side of the crane boom (13) close to the tower cap (12) is provided with a winding and unwinding assembly (8) for winding and unwinding a hose (22), the winding and unwinding assembly (8) comprises a winding sleeve (81), a winding motor (82) and a winding roller (83), the winding sleeve (81) is fixedly connected to one side of the lower surface of the crane boom (13) close to the tower cap (12), the winding motor (82) is fixedly connected to the outer wall of the winding sleeve (81), a rotating shaft of the winding roller (83) penetrates through the side wall of the winding sleeve (81) and is rotatably connected with the winding sleeve (81), an output shaft of the winding motor (82) is fixedly connected with the winding roller (83), and the abutting part of the hose (22) and the winding roller (83) is fixedly connected when the hose is in an extension state.

8. A tower crane according to claim 1, wherein: the top end of the box body (21) is fixedly connected with a hook (9).