CN212374757U

CN212374757U - Tower crane stable in installation

Info

Publication number: CN212374757U
Application number: CN202021030709.3U
Authority: CN
Inventors: 朱从伟; 杜斌; 孙博; 张曼曼; 刘洋; 户飞; 苏吉元; 韩正银
Original assignee: Xuzhou Huaihai Pangyuan Construction Machinery Technology Co ltd
Current assignee: Xuzhou Huaihai Pangyuan Construction Machinery Technology Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-01-19
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to a tower crane with stable installation in the technical field of hoisting machinery, which comprises a tower frame, wherein a plurality of cylinders are uniformly sleeved at the bottom end of the tower frame, a tower base is welded at the bottom end of each cylinder, a mounting plate is welded at the top end of the tower frame, a rotary table is fixed at the top end of the mounting plate, the top end of the rotary table is provided with a tower top, two sides of the rotary table are provided with a balance arm and a suspension arm, the suspension arm is positioned at the right side of the balance arm, a traction hoist is arranged in the rotary table, a hoisting mechanism is arranged in the suspension arm, the right side of the tower frame is provided with a stabilizing device, the hoisting hoist and the tower frame can be used for lifting materials in a labor-saving manner by matching the traction hoist and the hoisting mechanism, the abrasion of the traction hoist is reduced, this stable tower crane of installation stable in structure security height is favorable to improving the efficiency of construction facilitate promotion.

Description

Tower crane stable in installation

Technical Field

The utility model relates to a hoisting machinery technical field specifically is a tower crane that the installation is stable.

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 tower crane does not have a device for enclosing and protecting the steel wire lifting rope, is easily influenced by wind power or hail and hail in severe weather such as strong wind weather or snowstorm and hail, causes the steel wire rope to shake or break to easily cause danger when lifting articles, has certain potential safety hazard and extremely poor stability, and therefore the tower crane with stable installation is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tower crane that installation is stable to solve current tower crane and do not possess the device that encloses the protection to the steel wire lifting rope, at some severe weather such as strong wind weather or snow storm hail, receive the influence of wind-force or hail storm snow easily, cause wire rope to rock or fracture and cause danger easily when hoist and mount article, have certain potential safety hazard, the extremely poor problem of stability.

Realize above-mentioned purpose, the utility model provides a following technical scheme: the utility model provides a tower crane stable in installation, includes the pylon, the even cover in bottom of pylon is equipped with a plurality of drums, the bottom welding of drum has the column base, the top welding of pylon has the mounting panel, the top of mounting panel is fixed with the revolving stage, the top of revolving stage is provided with the top of the tower, the both sides of revolving stage are provided with balance arm and davit, the davit is located the right side of balance arm, is provided with the traction hoist engine in the revolving stage, be provided with hoisting mechanism in the davit, the right side of pylon is provided with stabilising arrangement.

Preferably, be equipped with multiunit down tube and connecting rod in the lateral part of pylon, it is two sets of a set of connecting rod of fixed connection forms the isosceles trapezoid structure between the down tube, isosceles trapezoid structure fixed connection is on the pylon, the inside support steel pole that is equipped with of pylon, support steel pole fixed connection between mounting panel and tower seat.

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 steel wire rope is wound on the winding drum, the hoisting mechanism comprises a frame, a pulley is rotatably connected to the top end of the frame, a plurality of wheels are uniformly arranged at the bottom end of the frame, a first sliding rail matched with the wheels is arranged in the suspension arm, a fixed sleeve is communicated with the middle of the bottom end of the frame, the bottom end of the fixed sleeve is movably connected with a telescopic sleeve, the steel wire rope penetrates through the suspension arm and bypasses the bottom of the pulley to extend downwards to the telescopic sleeve, and a lifting appliance is fixedly connected to the bottom.

Preferably, stabilising arrangement includes the slide cartridge, evenly be equipped with a plurality of slide bars on the slide cartridge inner wall, be equipped with on the pylon with slide bar assorted slide rail two, annular spout has been seted up on the lateral wall of slide cartridge, the right side of slide cartridge is equipped with electric putter, the last one end fixedly connected with and the annular spout assorted slider that is close to the slide cartridge of electric putter, the last bottom fixedly connected with hydraulic stem of telescopic link of electric putter, the pneumatic cylinder is installed to the bottom of hydraulic stem, a plurality of universal wheels of the even fixedly connected with in bottom of pneumatic cylinder.

Preferably, a plurality of reinforcing rib plates are uniformly welded between the outer side of the cylinder and the tower seat.

Preferably, a plurality of traction steel wire ropes are uniformly arranged on the tower top and are respectively and fixedly connected to the balance arm and the suspension arm.

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

according to the stably-installed tower crane, the landing area of the tower crane is increased through the tower base to enhance the stability, so that the tower crane is not easy to shake; by starting the motor, when the motor drives the winding drum to rotate, the steel wire rope can be retracted and matched with the pulley, so that the material can be hung and released conveniently; the fixed sleeve and the telescopic sleeve are arranged to protect the steel wire rope, so that the steel wire rope is prevented from being corroded by rainwater and the like, the service life is shortened, and the hoisted material can be fixed through the hoisting tool; the position of the hoisting mechanism in the suspension arm can be adjusted by starting the electric push rod, the hydraulic cylinder can be started to drive the hydraulic rod so as to adjust the position of the sliding cylinder on the tower, meanwhile, the telescopic sleeve is driven to ensure that the steel wire rope can not swing, when the suspension arm rotates, the sliding block can be rotated through the annular sliding groove so as to drive the electric push rod, and the hydraulic cylinder can rotate on the tower base along with the sliding block through the universal wheel.

Drawings

FIG. 1 is a schematic structural view of a tower crane of the present invention installed stably;

fig. 2 is the schematic structural diagram of the hoisting mechanism of the present invention.

In the figure: 1 tower, 11 diagonal rods, 12 connecting rods, 13 supporting steel rods, 2 cylinders, 21 reinforcing rib plates, 3 tower bases, 4 mounting plates, 41 rotating platforms, 42 traction winches, 43 winding drums, 44 motors, 45 steel wire ropes, 46 lifting appliances, 5 tower tops, 51 traction steel wire ropes, 6 balance arms, 7 suspension arms, 8 hoisting mechanisms, 81 frames, 82 pulleys, 83 wheels, 84 fixed sleeves, 85 telescopic sleeves, 9 stabilizing devices, 91 sliding drums, 92 annular sliding chutes, 93 electric push rods, 94 sliding blocks, 95 hydraulic rods, 96 hydraulic cylinders and 97 universal wheels.

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. 1-2, the present invention relates to a tower crane with stable installation: the tower crane comprises a tower frame 1, wherein a plurality of cylinders 2 are uniformly sleeved at the bottom end of the tower frame 1, a tower base 3 is welded at the bottom end of each cylinder 2, the floor area of the tower crane is increased to enhance the stability, so that the tower crane is not easy to shake, a mounting plate 4 is welded at the top end of the tower frame 1, a rotary table 41 is fixed at the top end of the mounting plate 4, a tower top 5 is arranged at the top end of the rotary table 41, a balance arm 6 and a suspension arm 7 are arranged at two sides of the rotary table 41, the suspension arm 7 is positioned at the right side of the balance arm 6, a traction winch 42 is arranged in the rotary table 41, the traction winch 42 is a winch, a winding drum 43 is used for winding a steel wire rope 45 or a chain to lift or pull light and small-sized hoisting equipment for heavy objects, the winch can lift vertically, drag heavy objects horizontally or obliquely, the, the tower crane can also be used as a component part in machinery such as hoisting, road building, mine hoisting and the like, is widely applied due to simple operation, large rope winding amount and convenient displacement, is mainly applied to material lifting or horizontal dragging of buildings, hydraulic engineering, forestry, mines, wharfs and the like, the hoisting mechanism 8 is arranged in the suspension arm 7, the traction winch 42 and the hoisting mechanism 8 are matched to hoist materials in a labor-saving manner, the abrasion of the traction winch 42 is reduced to a great extent, the stabilizing device 9 is arranged on the right side of the tower frame 1, the stabilizing device 9 can ensure the stability of hoisting the materials and simultaneously connect the hoisting mechanism 8 and the tower frame 1 into a whole, and the integral stability of the tower crane is improved.

It refers to and consults figure 1, be equipped with multiunit down tube 11 and connecting rod 12 in the lateral part of pylon 1, a set of connecting rod 12 of fixed connection forms the isosceles trapezoid structure between two sets of down tube 11, isosceles trapezoid structure fixed connection is on pylon 1, the isosceles trapezoid structure has stability most, a plurality of combination collocation still has certain shock attenuation characteristic, this tower crane has been strengthened from overall structure, 1 inside support steel pole 13 that is equipped with of pylon, support steel pole 13 fixed connection is between mounting panel 4 and tower seat 3, support steel pole 13 set up and strengthened this tower crane's steadiness.

Referring to fig. 1 and 2, the traction winch 42 includes a winding drum 43, a motor 44 is disposed in the traction winch 42, an output end of the motor 44 is connected to the winding drum 43 through a speed reducer, a steel wire rope 45 is wound on the winding drum 43, the hoisting mechanism 8 includes a frame 81, a pulley 82 is rotatably connected to a top end of the frame 81, the motor 44 is started, when the motor 44 drives the winding drum 43 to rotate, the steel wire rope 45 can be stored and released by matching with the pulley 82, the material can be conveniently hoisted and released, a plurality of wheels 83 are uniformly disposed at a bottom end of the frame 81, a first sliding rail matched with the wheels 83 is disposed in the boom 7, a fixed sleeve 84 is communicated with a middle portion of a bottom end of the frame 81, a telescopic sleeve 85 is movably connected to a bottom end of the fixed sleeve 84, the steel wire rope 45 penetrates through the boom 7 and downwardly extends to a bottom outside of the telescopic sleeve 85 around, the fixed sleeve 84 and the telescopic sleeve 85 are arranged to protect the steel wire rope 45, prevent the steel wire rope 45 from being corroded by rainwater and the like, shorten the service life, and fix the hoisted materials through the hoisting tool 46.

Referring to fig. 1, the stabilizing device 9 includes a sliding barrel 91, a plurality of sliding rods are uniformly arranged on the inner wall of the sliding barrel 91, a second sliding rail matched with the sliding rods is arranged on the tower frame 1, an annular chute 92 is arranged on the outer side wall of the sliding barrel 91, an electric push rod 93 is arranged on the right side of the sliding barrel 91, a slider 94 matched with the annular chute 92 is fixedly connected to one end of the electric push rod 93 close to the sliding barrel 91, a hydraulic rod 95 is fixedly connected to the bottom end of an expansion link on the electric push rod 93, a hydraulic cylinder 96 is arranged at the bottom end of the hydraulic rod 95, a plurality of universal wheels 97 are uniformly and fixedly connected to the bottom end of the hydraulic cylinder 96, the sliding rods and the second sliding rails are arranged to enable the sliding barrel 91 to move up and down on the tower frame 1, the electric push rod 93 is an electric driving device for converting the rotary motion of, in order to realize remote control, centralized control or automatic control, start electric putter 93 and can adjust the position of hoisting mechanism 8 in davit 7, thereby start hydraulic cylinder 96 and can drive hydraulic stem 95 and adjust the position of slide cartridge 91 on pylon 1, drive telescopic sleeve 85 simultaneously and guarantee that wire rope 45 handling makes can not rock, when davit 7 rotates, thereby can make slider 94 rotate and drive electric putter 93 through annular spout 92, thereby pneumatic cylinder 96 can rotate thereupon on tower 3 through universal wheel 97.

Referring to fig. 1, a plurality of reinforcing rib plates 21 are uniformly welded between the outer side of the cylinder 2 and the tower base 3, and the rigidity of the tower crane is increased by the reinforcing rib plates 21.

Referring to fig. 1, a plurality of traction steel cables 51 are uniformly arranged on the tower top 5, the traction steel cables 51 are respectively and fixedly connected to the balance arm 6 and the suspension arm 7, and the arrangement of the traction steel cables 51 improves the bearing capacity of the balance arm 6 and the suspension arm 7.

The working principle is as follows: when in use, the motor 44 is started, when the motor 44 drives the winding drum 43 to rotate, the steel wire rope 45 is wound and unwound, the hoisted materials can be fixed by the hoisting tool 46, the hoisting of the materials is convenient to realize by matching with the pulley 82, according to the practical hoisting situation, the electric push rod 93 is started to adjust the position of the hoisting mechanism 8 in the hoisting arm 7, the hydraulic cylinder 96 is started to drive the hydraulic rod 95 to adjust the position of the sliding cylinder 91 on the tower 1, meanwhile, the telescopic sleeve 85 is driven to protect the steel wire rope 45, when the suspension arm 7 rotates, the sliding block 94 rotates in the annular sliding groove 92 to drive the electric push rod 93, the hydraulic cylinder 96 can rotate on the tower base 3 along with the rotation through the universal wheel 97, when the suspension arm is built, a group of connecting rods 12 fixedly connected between the two groups of inclined rods 11 form an isosceles trapezoid structure, the isosceles trapezoid structure is fixedly connected onto the tower frame 1, the tower crane is enhanced from the whole structure, and the stability of the tower crane is enhanced by the arrangement of the supporting steel rods 13.

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. A tower crane with stable installation comprises a tower (1), and is characterized in that: the bottom of pylon (1) is evenly overlapped and is equipped with a plurality of drums (2), the bottom welding of drum (2) has tower seat (3), the top welding of pylon (1) has mounting panel (4), the top of mounting panel (4) is fixed with revolving stage (41), the top of revolving stage (41) is provided with top of the tower (5), the both sides of revolving stage (41) are provided with balance arm (6) and davit (7), davit (7) are located the right side of balance arm (6), are provided with in revolving stage (41) and pull hoist engine (42), be provided with hoisting mechanism (8) in davit (7), the right side of pylon (1) is provided with stabilising arrangement (9).

2. A tower crane stable in installation according to claim 1, wherein: be equipped with multiunit down tube (11) and connecting rod (12) in the lateral part of pylon (1), it is two sets of a set of connecting rod of fixed connection (12) forms isosceles trapezoid structure between down tube (11), isosceles trapezoid structure fixed connection is on pylon (1), pylon (1) inside is equipped with support steel pole (13), support steel pole (13) fixed connection is between mounting panel (4) and tower seat (3).

3. A tower crane stable in installation according to claim 1, wherein: the traction winch (42) comprises a winding drum (43), a motor (44) is arranged in the traction winch (42), the output end of the motor (44) is connected with a winding drum (43) through a speed reducer, a steel wire rope (45) is wound on the winding drum (43), the hoisting mechanism (8) comprises a frame (81), the top end of the frame (81) is rotatably connected with a pulley (82), a plurality of wheels (83) are uniformly arranged at the bottom end of the frame (81), a first sliding rail matched with the wheels (83) is arranged in the suspension arm (7), the middle part of the bottom end of the frame (81) is communicated with a fixed sleeve (84), the bottom end of the fixed sleeve (84) is movably connected with a telescopic sleeve (85), the steel wire rope (45) penetrates through the suspension arm (7) and extends downwards to the outside of the bottom of the telescopic sleeve (85) around the pulley (82), and the bottom end of the steel wire rope (45) is fixedly connected with a lifting appliance (46).

4. A tower crane stable in installation according to claim 1, wherein: stabilising arrangement (9) are including slide cartridge (91), evenly be equipped with a plurality of slide bars on slide cartridge (91) inner wall, be equipped with on pylon (1) with slide bar assorted slide rail two, annular spout (92) have been seted up on the lateral wall of slide cartridge (91), the right side of slide cartridge (91) is equipped with electric putter (93), the one end fixedly connected with and annular spout (92) assorted slider (94) that are close to slide cartridge (91) on electric putter (93), the bottom fixedly connected with hydraulic stem (95) of telescopic link on electric putter (93), pneumatic cylinder (96) are installed to the bottom of hydraulic stem (95), the even fixedly connected with a plurality of universal wheels (97) in bottom of pneumatic cylinder (96).

5. A tower crane stable in installation according to claim 1, wherein: a plurality of reinforcing rib plates (21) are uniformly welded between the outer side of the cylinder (2) and the tower base (3).

6. A tower crane stable in installation according to claim 1, wherein: the tower top (5) is uniformly provided with a plurality of traction steel wire ropes (51), and the traction steel wire ropes (51) are respectively and fixedly connected to the balance arm (6) and the suspension arm (7).