CN212356327U

CN212356327U - Traction device for dismounting and mounting large tower crane

Info

Publication number: CN212356327U
Application number: CN202021044694.6U
Authority: CN
Inventors: 户飞; 苏吉元; 韩正银; 朱从伟; 杜斌; 孙博; 张曼曼; 刘洋
Original assignee: Xuzhou Huaihai Pangyuan Construction Machinery Technology Co ltd
Current assignee: Xuzhou Huaihai Pangyuan Construction Machinery Technology Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-01-15
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to a tower crane technical field's a draw gear for dismouting of large-scale tower crane includes adheres to the support, adhere to the support and fix on tower crane, adhere to the support and can increase the length of self with the mode of dismantling, it has the hanging beam to adhere to the in-connection of support, adhere to support right side fixedly connected with U type support, hanging beam right side and U type support fixed connection, fixedly connected with pulls the hoist in the U type support recess, the hanging beam left end is fixed with the pulley, pulls the hoist bolt through with the cooperation of pulley bolt, the laborsaving handling material of being convenient for improves the bearing and hanging ability of hanging beam bolt, and to a great extent reduces the wearing and tearing that pull the hoist bolt, and this a draw gear for dismouting of large-scale tower crane installs simply, is favorable to improving efficiency of construction, facilitate promotion.

Description

Traction device for dismounting and mounting large tower crane

Technical Field

The utility model relates to a tower crane technical field specifically is a be used for large-scale tower crane draw gear for dismouting.

Background

The tower crane is the most common hoisting equipment on a construction site, namely a tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by lengthening (height) one section by one section (called a standard section for short), and the tower crane is indispensable equipment on the construction site; the tower crane tip has the function of bearing upper load transmitted by a boom pull rope and a balance arm pull rope and directly transmits the upper load to a tower body structure through a rotary tower, a rotary table, a bearing seat and other structural components; the self-elevating tower top is provided with a truncated cone column type, a forward or backward inclined truncated cone column type, a herringbone frame type and an inclined support frame type, all the upper slewing tower machines need to be provided with balance weights, and the functions of the balance weights are supporting balance weights and are used for forming a balance moment which is required in design and has the action aspect opposite to the direction of a lifting moment; besides the counterweight, a hoisting mechanism is also often arranged at the tail part of the counterweight; the hoisting mechanism and the balance weight are arranged at the tail end of the balance arm together, so that partial balance weight function can be achieved, and the distance between the rope reel and the tower tip guide wheel is increased, so that the steel wire rope can be conveniently wound and rope disorder is avoided.

The existing traction device of the tower crane is not installed stably enough, so that certain potential safety hazard exists; the dismounting is more complicated, and the working efficiency is influenced; meanwhile, the connection between a steel wire rope and a lifting hook of the large tower crane is very difficult, and manual rope threading wastes time and labor, so that the traction device for disassembling and assembling the large tower crane is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model introduces a traction device for dismounting a large tower crane, which solves the problems that the conventional traction device of the tower crane is not stable enough in installation and has certain potential safety hazard; the dismounting is more complicated, and the working efficiency is influenced; meanwhile, the connection of a steel wire rope of the large tower crane and a lifting hook is very difficult, and the manual rope threading wastes time and labor.

Realize above-mentioned purpose, the utility model provides a following technical scheme: local structure of laying of town road, including adhering to the support, adhere to the support and fix on tower crane, adhere to the in-connection of support and have the hanging beam, adhere to support right side fixedly connected with U type support, hanging beam right side and U type support fixed connection, fixedly connected with pulls the hoist in the U type support recess, the hanging beam left end is fixed with the pulley.

Preferably, it includes multiunit horizontal pole and montant, two sets of to adhere to the support bottom between the montant and the equal fixedly connected with bracing piece in top, the bottom the bracing piece supports the bottom of hanging the roof beam, the left side of horizontal pole and the right side fixed connection of montant, the left upper and lower both ends of montant all seted up with horizontal pole assorted mounting groove, the mounting hole has all been seted up to montant top and bottom, the mounting hole is the same with the mounting groove, the right side of horizontal pole seted up with mounting hole assorted screw hole, montant top and bottom all are connected with the screw that matches with the mounting hole.

Preferably, the traction winch comprises a winding drum, a motor is arranged in the traction winch, the output end of the motor is connected with the winding drum through a speed reducer, a traction steel wire rope is wound on the winding drum, and the traction steel wire rope penetrates through the hanging beam and winds around the pulley to extend downwards.

Preferably, the bottom of the traction winch is provided with a mounting plate, reinforcing rib plates are welded between two sides of the traction winch and the mounting plate, a plurality of threaded mounting holes are uniformly formed in the bottom of the mounting plate, a plurality of thread grooves matched with the threaded mounting holes are uniformly formed in the bottom of the U-shaped support groove, the thread grooves correspond to the threaded mounting holes in position, and a plurality of bolts matched with the threaded mounting holes are uniformly connected to the mounting plate. Preferably, the bottom end of the traction steel wire rope is fixedly connected with a spring hook, the bottom end of the spring hook is connected with a ring, the steel wire rope is welded at the bottom end of the ring, and the diameter of the steel wire rope is larger than that of the traction steel wire rope.

Preferably, the hanging beam is of a telescopic structure, and the length of one side, far away from the U-shaped support, of the hanging beam can be adjusted.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the traction device for dismounting the large tower crane, when the motor drives the winding drum to rotate, the traction steel wire rope can be retracted and matched with the pulley, so that the materials can be conveniently lifted, the traction steel wire rope and the circular ring are connected through the spring hook, the dismounting and the connection are convenient, and various materials can be conveniently lifted and placed by binding and fixing the steel wire rope; the rigidity of the traction device is enhanced through the reinforcing rib plate, the traction winch is prevented from vibrating on the mounting plate during working, the bolt is aligned to the threaded mounting hole and is twisted into the threaded groove, the mounting plate and the U-shaped support are fixedly connected, and when the traction winch is damaged, the bolt can be loosened, and the traction winch can be taken out independently for inspection and maintenance or can be detached and replaced.

Drawings

Fig. 1 is the structure schematic diagram of the traction device for dismounting and mounting a large tower crane of the utility model.

In the figure: the device comprises an attachment support 1, a cross rod 11, a vertical rod 12, a mounting groove 13, a mounting hole 14, a threaded hole 15, a screw 16, a hanging beam 2, a 3U-shaped support, a threaded groove 31, a traction winch 4, a winding drum 41, a motor 42, a traction steel wire rope 43, a spring hook 44, a circular ring 45, a steel wire rope 46, a pulley 5, a mounting plate 6, a reinforcing rib plate 61, a threaded mounting hole 62 and a bolt 63.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the utility model relates to a be used for large-scale tower crane dismouting to use draw gear: comprises an attachment bracket 1, the attachment bracket 1 is fixed on a tower crane, the attachment bracket 1 can increase the length thereof in a detachable way, a hanging beam 2 is connected in the attachment bracket 1, the hanging beam 2 (comprising a bearing beam and a connecting rigging) is a special beam hanger for hanging the hung object, the hanging beam 2 realizes the hanging of the hung object according to the general technical conditions of heavy machinery in the machinery industry standard of the people's republic of China, the hanging and installation processes are simple and reasonable in structure, flexible in action, convenient to use and safe and reliable in hanging, a U-shaped support 3 is fixedly connected on the right side of the attachment bracket 1, the right side of the hanging beam 2 is fixedly connected with the U-shaped support 3, a traction hoist 4 is fixedly connected in a groove of the U-shaped support 3, the traction hoist 4 is a hoist, a winding drum 41 is used for winding a steel wire rope 46 or a chain for hoisting or small-sized hoisting equipment for hoisting or pulling heavy objects, the hoist can vertically lift, horizontally or obliquely drag heavy objects, the hoist is divided into three types, namely a manual hoist, an electric hoist and a hydraulic hoist, the electric hoist is taken as a main part, the hoist can be independently used and also can be used as a component part in machinery such as hoisting, road building, mine lifting and the like, the hoist is widely applied due to simple operation, large rope winding amount and convenient displacement, and is mainly applied to material lifting or horizontal dragging of buildings, hydraulic engineering, forestry, mines, wharfs and the like, the pulley 5 is fixed at the left end of the hanging beam 2, the traction hoist 4 is matched with the pulley 5, so that the material can be hoisted conveniently in a labor-saving way, the bearing and hoisting capacity of the hanging beam 2 is improved, and the abrasion of the traction hoist 4 is reduced to a great extent.

Referring to fig. 1, the attachment bracket 1 comprises a plurality of groups of cross rods 11 and vertical rods 12, the bottom end and the top end between the two groups of vertical rods 12 are fixedly connected with supporting rods, the supporting rods at the bottom end are propped against the bottom of the hanging beam 2, and the supporting rods can improve the hanging capacity of the hanging beam 2 and prevent the hanging beam 2 from inclining when uneven stress is applied to the front and the back; horizontal pole 11's left side and montant 12's right side fixed connection, montant 12 left upper and lower both ends all seted up with horizontal pole 11 assorted mounting groove 13, mounting hole 14 has all been seted up with the bottom in montant 12 top, mounting hole 14 is the same with mounting groove 13, horizontal pole 11's right side is seted up with 14 assorted screw holes 15 of mounting hole, montant 12 top and bottom all are connected with 14 assorted screws 16 of mounting hole, aim at mounting groove 13 with horizontal pole 11, then twist into mounting hole 14 and screw hole 15 with screws 16, make horizontal pole 11 fix on montant 12, when adhering to support 1 and damaging, can tear open horizontal pole 11 and montant 12 and restore, the reduce cost of being convenient for, can increase the length of adhering to support 1 according to hanging beam 2 simultaneously.

Referring to fig. 1, the traction winch 4 includes a winding drum 41, a motor 42 is arranged in the traction winch 4, an output end of the motor 42 is connected with the winding drum 41 through a speed reducer, a traction steel wire rope 43 is wound on the winding drum 41, the traction steel wire rope 43 penetrates through the hanging beam 2 and extends downwards around the pulley 5, the motor 42 is started, and when the motor 42 drives the winding drum 41 to rotate, the traction steel wire rope 43 can be retracted and released, and the material can be conveniently hung and released by matching with the pulley 5.

Referring to fig. 1, the bottom end of the traction winch 4 is provided with a mounting plate 6, reinforcing rib plates 61 are welded between two sides of the traction winch 4 and the mounting plate 6, a plurality of thread mounting holes 62 are uniformly formed in the bottom end of the mounting plate 6, a plurality of thread grooves 31 matched with the thread mounting holes 62 are uniformly formed in the bottom end of a groove of a U-shaped support 3, the positions of the thread grooves 31 and the thread mounting holes 62 are corresponding, a plurality of bolts 63 matched with the thread mounting holes 62 are uniformly connected to the mounting plate 6, the rigidity of the traction device is enhanced by the reinforcing rib plates 61, the traction winch 4 is prevented from vibrating on the mounting plate 6 during working, the bolts 63 are aligned with the thread mounting holes 62 and are twisted into the thread grooves 31, the mounting plate 6 and the U-shaped support 3 are fixedly connected, when the traction winch 4 is damaged, the traction winch 4 can be loosened, and the bolts 63 can.

Referring to fig. 1, a spring hook 44 is fixedly connected to the bottom end of a traction steel wire rope 43, a ring 45 is connected to the bottom end of the spring hook 44, the traction steel wire rope 43 and the ring 45 are connected through the spring hook 44, the dismounting and the connection are convenient, a steel wire rope 46 is welded to the bottom end of the ring 45, the steel wire rope 46 and the traction steel wire rope 43 are in butt joint, the steel wire rope 46 is bound and fixed, various materials are conveniently hung, the diameter of the steel wire rope 46 is larger than that of the traction steel wire rope 43, the winding speed of the traction steel wire rope 43 is increased, and the work.

Referring to fig. 1, the hanging beam 2 is of a telescopic structure, and the length of one side of the hanging beam 2 far away from the U-shaped support 3 can be adjusted to meet the requirements of the attached supports 1 with different lengths.

The working principle is as follows: when the device is used, the bolt 63 is aligned with the threaded mounting hole 62 and is twisted into the threaded groove 31, the mounting plate 6 is fixedly connected with the U-shaped support 3, the traction winch 4 is fixed in the groove of the U-shaped support 3, the attachment bracket 1 is detachably fixed on the tower crane, the cross rod 11 is aligned with the mounting groove 13, then the screw 16 is twisted into the mounting hole 14 and the threaded hole 15, the cross rod 11 is fixed on the vertical rod 12, when the attachment bracket 1 is damaged, the cross rod 11 and the vertical rod 12 can be detached and replaced for repair, the cost is reduced, meanwhile, the length of the attachment bracket 1 can be increased according to the length of the hanging beam 2, the length of one side of the hanging beam 2 far away from the U-shaped support 3 can be adjusted, the attachment brackets 1 with different lengths can be met, the motor 42 is started, when the motor 42 drives the winding drum 41 to rotate, the steel wire rope 43 is drawn and released, the material is, is convenient for hanging various materials.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for dismouting of large-scale tower crane to use draw gear, includes attachment bracket (1), its characterized in that: adhere to support (1) and fix on tower crane, it has hanging beam (2) to adhere to in support (1), adhere to support (1) right side fixedly connected with U type support (3), hanging beam (2) right side and U type support (3) fixed connection, fixedly connected with pulls hoist (4) in U type support (3) recess, hanging beam (2) left end is fixed with pulley (5).

2. The traction device for dismounting and mounting the large tower crane according to claim 1, wherein: adhere to support (1) and include multiunit horizontal pole (11) and montant (12), two sets of bottom and the equal fixedly connected with bracing piece in top between montant (12), the bottom the bracing piece supports the bottom of hanging beam (2), the left side of horizontal pole (11) and the right side fixed connection of montant (12), montant (12) left upper and lower both ends all seted up with horizontal pole (11) assorted mounting groove (13), mounting hole (14) have all been seted up to montant (12) top and bottom, mounting hole (14) are the same with mounting groove (13), the right side of horizontal pole (11) seted up with mounting hole (14) assorted screw hole (15), montant (12) top and bottom all are connected with mounting hole (14) assorted screw (16).

3. The traction device for dismounting and mounting the large tower crane according to claim 1, wherein: traction hoist (4) include reel (41), be equipped with motor (42) in traction hoist (4), the output of motor (42) passes through the speed reducer and connects reel (41), the coiling has haulage wire rope (43) on reel (41), haulage wire rope (43) run through hanging beam (2) and bypass pulley (5) downwardly extending.

4. The traction device for dismounting and mounting the large tower crane according to claim 1, wherein: the bottom of traction winch (4) is equipped with mounting panel (6), the welding has deep floor (61) between the both sides of traction winch (4) and mounting panel (6), a plurality of screw thread mounting holes (62) have evenly been seted up to the bottom of mounting panel (6), evenly set up a plurality ofly on the bottom in U type support (3) recess and screw thread mounting hole (62) assorted thread groove (31), thread groove (31) and screw thread mounting hole (62) position are corresponding, evenly be connected with a plurality ofly on mounting panel (6) and screw thread mounting hole (62) assorted bolt (63).

5. The traction device for dismounting and mounting the large tower crane according to claim 3, wherein: the bottom end of the traction steel wire rope (43) is fixedly connected with a spring hook (44), the bottom end of the spring hook (44) is connected with a circular ring (45), the bottom end of the circular ring (45) is welded with a steel wire rope (46), and the diameter of the steel wire rope (46) is larger than that of the traction steel wire rope (43).

6. The traction device for dismounting and mounting the large tower crane according to claim 1, wherein: the lifting beam (2) is of a telescopic structure, and the length of one side, far away from the U-shaped support (3), of the lifting beam (2) can be adjusted.