CN212712373U

CN212712373U - Tower crane capable of preventing materials from shaking

Info

Publication number: CN212712373U
Application number: CN202021437468.4U
Authority: CN
Inventors: 陈建国; 陈凯
Original assignee: Jiangsu Baoli Light Steel House Co ltd
Current assignee: Jiangsu Baoli Light Steel House Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-16
Anticipated expiration: 2030-07-21

Abstract

The utility model belongs to the tower crane field, especially, can prevent tower crane that material rocked to current tower crane, the lifting hook is when lifting by crane the article, and easy the emergence is rocked, poor stability, and under staff misoperation's the condition, the lifting hook easily causes the striking to the part of top when ascending, leads to the part to damage easily, in addition, does not set up corresponding anti-drop function on the lifting hook, can not effectually prevent the problem that the phenomenon that the article drops from taking place. The scheme includes that the tower crane comprises a base, a tower body is fixed to the top of the base, a crane boom is fixed to the top of the tower body, a fixing seat is fixed to the bottom of the crane boom, connecting blocks are fixed to two sides of the bottom of the fixing seat, and a winding drum is connected between the two connecting blocks in a rotating mode. The utility model discloses a prevent rocking mechanism, can prevent effectively that the article of hanging the knot on the lifting hook from lifting by crane the time of the lifting rope, the phenomenon that takes place to rock, it prevents shaking effectually, has improved the work efficiency and the stability of tower crane.

Description

Tower crane capable of preventing materials from shaking

Technical Field

The utility model relates to a tower crane technical field especially relates to a can prevent tower crane that material rocked.

Background

The tower crane is a tower crane, which is the most common hoisting equipment in construction sites, 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 and heightening one section by one section, the tower crane is an indispensable equipment in construction sites, the tip of the tower crane has the function of bearing the upper load transmitted by a boom guy rope and a balance arm guy rope and directly transmits the upper load to a tower body structure through a rotary tower frame, a rotary table, a bearing seat and other structural components, the top of the self-elevating tower 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 upper rotary tower cranes are required to be provided with balance weights, and the function of the tower crane is supporting the balance weights so as to form balance moments which are opposite to the direction of the hoisting moments.

Tower crane on present building site, its lifting rope is when carrying out the level to hanging the article of detaining and is hung the time, the phenomenon of rocking easily takes place, it is low to lead to the stability of article to hang the work of rising, the article rocks the process that can influence the building site construction, and the lifting hook is when hanging the article, if under staff misoperation's the condition, the lifting hook is in the rising state always, then probably lead to the lifting hook can strike to the part of its top, thereby lead to the part of top to cause the damage, in addition, do not set up corresponding anti-drop function on the lifting hook, the phenomenon that can not effectual prevention from dropping the article takes place, there is certain potential safety hazard, we have designed a tower crane for this reason and can prevent that the material from rocking.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can prevent tower crane that material rocked has solved current tower crane, and the lifting hook is when the hoisting article, and easy the emergence is rocked, poor stability, and under staff misoperation's the condition, the lifting hook easily causes the striking to the part of top when ascending, leads to the part to damage easily, in addition, does not set up corresponding anti-drop function on the lifting hook, can not effectually prevent the problem that the phenomenon that the article drops takes place.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a can prevent tower crane that material rocked, which comprises a base, the top of base is fixed with the body of the tower, the top of body of the tower is fixed with the jib loading boom, the bottom of jib loading boom is fixed with the fixing base, the bottom both sides of fixing base all are fixed with the connecting block, it is connected with the reel to rotate between two connecting blocks, the below of reel is equipped with the connecting plate of fixing in two connecting block bottoms, the outside of one of them connecting block is fixed with the motor, the output shaft of motor links to each other with the reel, the outside winding of reel is connected with the lifting rope, the inside of connecting plate is seted up with lifting rope matched with through hole one, be connected with anticollision institution between fixing base and the lifting rope, the one end of lifting rope is fixed with the gallows, the bottom of.

Preferably, the anti-shaking mechanism comprises two T-shaped seats fixed at the bottom of the crane boom, the two T-shaped seats are respectively located on two sides of the fixing seat, a first penetrating groove is formed in each of the two T-shaped seats, the inner wall of the first penetrating groove is connected with a first two guide wheels in a rotating mode, two second penetrating grooves formed in the T-shaped seats are formed in two sides of the first penetrating groove, two second guide wheels are connected with the inner wall of the second penetrating groove in a rotating mode, and bearing seats are installed below the two T-shaped seats.

Preferably, a guide rope is fixed at the center of the top of the bearing seat, the other end of the guide rope penetrates through a pair of guide wheels II and a pair of guide wheels I and penetrates through another pair of guide wheels II and is hinged to the top of the hanging bracket, double-screw bolts fixed to the top of the bearing seat are arranged on two sides of the guide rope, a plurality of balancing weights are movably sleeved on the outer sides of the double-screw bolts, and fastening nuts in threaded connection with the double-screw bolts are arranged above the balancing weights.

Preferably, anticollision institution is including fixing the fixed outer pole in fixing base bottom both sides, and the inside sliding connection of fixed outer pole has flexible interior pole, and the bottom of two flexible interior poles is fixed with the crashproof board, and the flexible passageway with flexible interior pole matched with is seted up to the inside of fixed outer pole, is fixed with the solid fixed cylinder on the interior roof of flexible passageway, and the inside sliding seal of solid fixed cylinder has the piston rod, and the one end of piston rod links to each other with the top of flexible interior pole.

Preferably, an inner cavity is formed in the fixing seat, the inner cavity is connected with the two movable blocks in a sliding mode, a compression spring is fixed between one opposite sides of the two movable blocks, an inflatable airbag is fixed between one opposite side of the two movable blocks and the end portion of the inner cavity, and a second through hole matched with the lifting rope is formed in the connecting pipe anti-collision plate connected between the inflatable airbag and the fixing cylinder.

Preferably, the anti-falling mechanism comprises a supporting plate fixed at the bottom of the hanging bracket, an anti-falling plate is connected to the outer side of the supporting plate in a sliding mode, and a movable hole matched with the lifting hook is formed in the anti-falling plate.

Preferably, a screw rod rotatably connected to the bottom of the hanging bracket is arranged between the lifting hook and the supporting plate, and a hand wheel fixed to one end of the screw rod is arranged below the anti-falling plate.

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

1. the utility model discloses in the anti-rock mechanism, through T type seat, guide pulley one, guide pulley two, lead rope, bearing seat, double-screw bolt, balancing weight and fastening nut's cooperation, when can effectively prevent to hang the article of detaining on the lifting hook and hang through the lifting rope, the phenomenon that takes place to rock, it prevents shaking effectually, has improved the work efficiency and the stability of tower crane.

2. The utility model discloses among the anticollision institution, when the article that the lifting rope hung the knot on with the lifting hook is promoted, its gallows rises to when the most apical position, and the gallows can support the pressure to the anticollision board, pole is supported and is pressed and slide in to fixed outer pole in its is flexible, and the piston rod is supported and is pressed by flexible pole, air in its solid fixed cylinder is extruded to inflating in the gasbag, and two inflating gasbag rapid expansion, and extrude two movable block relative slip, its two movable blocks compress compression spring, and under compression spring's reaction, under staff's misoperation's the condition, effectively prevent to bump between gallows and the connecting block, it is too big to avoid the impact force, cause the part to cause the damage on the connecting block.

3. The utility model discloses among the anti-drop mechanism, when needs hang on the lifting hook and detain the article, then need pass through hand wheel anticlockwise rotation screw rod for the anticreep dropping board upwards slides in the backup pad, its anticreep dropping board leaves its lifting hook, thereby can conveniently hang the article of lifting and detain on the lifting hook, hang and detain the back that finishes, through the clockwise rotation screw rod of hand wheel, its anticreep dropping board covers the mouthful department of hanging of lifting hook and closes, thereby effectively prevent the lifting hook at the lift in-process, the phenomenon that takes place the article and drop, the security of device has been improved.

Drawings

FIG. 1 is a schematic structural diagram of a tower crane capable of preventing material from shaking according to the present invention;

FIG. 2 is a schematic structural view of an anti-collision mechanism of a tower crane capable of preventing materials from shaking, which is provided by the utility model;

FIG. 3 is a schematic structural diagram of a side view of a fixing base and a connecting block of a tower crane capable of preventing material shaking according to the present invention;

fig. 4 is the utility model provides a can prevent the enlarged schematic structure of A department of tower crane that the material rocked from.

In the figure: 1. a base; 2. a tower body; 3. a cargo boom; 4. a fixed seat; 5. connecting blocks; 6. a lifting rope; 7. a hanger; 8. a hook; 9. an anti-sloshing mechanism; 901. a T-shaped seat; 902. a first guide wheel; 903. a second guide wheel; 904. guiding a rope; 905. a load bearing seat; 906. a stud; 907. a balancing weight; 908. fastening a nut; 10. an anti-collision mechanism; 1001. fixing the outer rod; 1002. a telescopic inner rod; 1003. an anti-collision plate; 1004. a fixed cylinder; 1005. a piston rod; 1006. a movable block; 1007. a compression spring; 1008. an inflatable air bag; 1009. a connecting pipe; 11. an anti-drop mechanism; 1101. a support plate; 1102. an anti-falling plate; 1104. a screw; 1105. a handwheel.

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.

Example one

Referring to fig. 1-4, a tower crane capable of preventing materials from shaking comprises a base 1, a tower body 2, a crane boom 3, a fixed seat 4, a connecting block 5, a lifting rope 6, a hanger 7, a lifting hook 8, a shaking prevention mechanism 9, a T-shaped seat 901, a guide wheel I902, a guide wheel II 903, a guide rope 904, a bearing seat 905, a stud 906, a balancing weight 907, a fastening nut 908, an anti-collision mechanism 10, a fixed outer rod 1001, a telescopic inner rod 1002, an anti-collision plate 1003, a fixed cylinder 1004, a piston rod 1005, a movable block 1006, a compression spring 1007, an inflatable airbag 1008, a connecting pipe 1009, an anti-falling mechanism 11, a supporting plate 1101, an anti-falling plate 1102, a screw 1104 and a hand wheel 1105, wherein the tower body 2 is fixed on the top of the base 1, the tower body 2 is fixed on the top of the tower body 3, the fixed seat 4 is fixed on the bottom of the crane boom 3, the, the below of reel is equipped with the connecting plate of fixing in 5 bottoms of two connecting blocks, the outside of one of them connecting block 5 is fixed with the motor, the output shaft of motor links to each other with the reel, the outside winding of reel is connected with lifting rope 6, the inside of connecting plate is seted up with lifting rope 6 matched with through hole one, be connected with anticollision institution 10 between fixing base 4 and the lifting rope 6, the one end of lifting rope 6 is fixed with gallows 7, the bottom of gallows 7 is fixed with lifting hook 8, be connected with between gallows 7 and the jib loading boom 3 and prevent rocking mechanism 9, install anti-drop mechanism 11 between gallows 7 and the lifting hook 8.

Starting through the motor, then can making the reel carry out anticlockwise or clockwise rotation between two connecting blocks 5 to make the reel carry out roll-up or unwrapping wire work to lifting rope 6, during its roll-up or unwrapping wire work, its lifting rope 6 can be in the activity of the through hole one of connecting plate, and the article of hanging the knot on its lifting hook 8 of being convenient for carries out the work of lifting.

Example two

Referring to fig. 1 and 4, the anti-sway mechanism 9 includes two T-shaped seats 901 fixed at the bottom of the boom 3, the two T-shaped seats 901 are respectively located at two sides of the fixing seat 4, a first penetrating groove is respectively formed on the two T-shaped seats 901, the inner wall of the first penetrating groove is rotatably connected with two first guide wheels 902, a second penetrating groove formed on the T-shaped seat 901 is respectively formed on two sides of the first penetrating groove, the inner wall of the second penetrating groove is rotatably connected with two second guide wheels 903, a bearing seat 905 is respectively installed below the two T-shaped seats 901, a guide rope 904 is fixed at the center of the top of the bearing seat 905, the other end of the guide rope 904 penetrates through the second pair of guide wheels 903 and the first pair of guide wheels 902, and passes through another two guide wheels 903 and is hinged with the top of the hanger 7, both sides of the guide rope 904 are provided with studs 906 fixed on the top of the bearing seat 905, the outer side of the studs 906 is movably sleeved with a plurality of balancing weights 907, and fastening nuts 908 in threaded connection with the studs 906 are arranged above the balancing weights 907.

Through the cooperation of T type seat 901, guide pulley 902, guide pulley 903 two, lead rope 904, bearing seat 905, double-screw bolt 906, balancing weight 907 and fastening nut 908, can prevent effectively that the article from lifting by lifting rope 6 when going on, taking place the phenomenon of rocking, it prevents shaking effectually, has improved the work efficiency and the stability of tower crane.

EXAMPLE III

Referring to fig. 2, the anti-collision mechanism 10 includes fixed outer rods 1001 fixed on both sides of the bottom of the fixed seat 4, the inner sliding connection of the fixed outer rods 1001 is provided with a telescopic inner rod 1002, the bottoms of the two telescopic inner rods 1002 are fixed with an anti-collision plate 1003, a telescopic channel matched with the telescopic inner rod 1002 is provided in the fixed outer rod 1001, a fixed cylinder 1004 is fixed on the inner top wall of the telescopic channel, the inner sliding sealing connection of the fixed cylinder 1004 is provided with a piston rod 1005, one end of the piston rod 1005 is connected with the top of the telescopic inner rod 1002, the inside of the fixed seat 4 is provided with an inner cavity, the inner sliding connection of the inner cavity is provided with two movable blocks 1006, a compression spring 1007 is fixed between one opposite sides of the two movable blocks 1006, an inflatable air bag 1008 is fixed between one opposite side of the two movable blocks 1006 and the end of the inner cavity, and a through hole two matched with the lifting rope 6 is.

When the lifting rope 6 lifts the article hung and buckled on the lifting hook 8, the lifting frame 7 is lifted to the topmost position, the lifting frame 7 can press the anti-collision plate 1003, the inner telescopic rod 1002 is pressed to slide towards the outer fixed rod 1001, the piston rod 1005 is pressed by the inner telescopic rod 1002, air in the fixed cylinder 1004 is extruded into the inflatable air bags 1008, the two inflatable air bags 1008 are rapidly expanded and extrude the two movable blocks 1006 to slide relatively, the two movable blocks 1006 compress the compression spring 1007, and under the reverse action of the compression spring 1007, under the condition that an operator has operation errors, the lifting frame 7 and the connecting block 5 are effectively prevented from colliding, and the condition that the impact force is too large to cause damage to the part on the connecting block 5 is avoided.

Example four

Referring to fig. 4, the drop-off preventing mechanism 11 includes a supporting plate 1101 fixed to the bottom of the hanger 7, a drop-off preventing plate 1102 is slidably connected to an outer side of the supporting plate 1101, a movable hole matched with the hook 8 is formed in the drop-off preventing plate 1102, a screw 1104 rotatably connected to the bottom of the hanger 7 is disposed between the hook 8 and the supporting plate 1101, and a hand wheel 1105 fixed to one end of the screw 1104 is disposed below the drop-off preventing plate 1102.

When the article needs to be hung and buckled on the lifting hook 8, the screw 1104 needs to be rotated anticlockwise through the hand wheel 1105, so that the anti-falling plate 1102 slides upwards on the supporting plate 1101, the anti-falling plate 1102 leaves the lifting hook 8, the article capable of being conveniently lifted is hung and buckled on the lifting hook 8, after the hanging and buckling are completed, the screw 1104 is rotated clockwise through the hand wheel 1105, the anti-falling plate 1102 covers the hanging opening of the lifting hook 8, the lifting hook 8 is effectively prevented from being lifted, the article falling phenomenon occurs, and the safety of the device is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The tower crane capable of preventing materials from shaking comprises a base (1) and is characterized in that a tower body (2) is fixed at the top of the base (1), a crane boom (3) is fixed at the top of the tower body (2), a fixing seat (4) is fixed at the bottom of the crane boom (3), connecting blocks (5) are fixed on two sides of the bottom of the fixing seat (4), a winding drum is rotatably connected between the two connecting blocks (5), a connecting plate fixed at the bottom of the two connecting blocks (5) is arranged below the winding drum, a motor is fixed on the outer side of one connecting block (5), an output shaft of the motor is connected with the winding drum, a lifting rope (6) is wound and connected on the outer side of the winding drum, a first through hole matched with the lifting rope (6) is formed in the connecting plate, an anti-collision mechanism (10) is connected between the fixing seat (4) and the lifting rope (6), and, the bottom of the hanger (7) is fixed with a lifting hook (8), an anti-shaking mechanism (9) is connected between the hanger (7) and the crane boom (3), and an anti-falling mechanism (11) is installed between the hanger (7) and the lifting hook (8).

2. The tower crane capable of preventing materials from shaking according to claim 1, wherein the shaking prevention mechanism (9) comprises two T-shaped seats (901) fixed to the bottom of the crane boom (3), the two T-shaped seats (901) are respectively located on two sides of the fixed seat (4), a first penetrating groove is formed in each of the two T-shaped seats (901), two guide wheels (902) are rotatably connected to the inner wall of the first penetrating groove, a second penetrating groove formed in each of the T-shaped seats (901) is formed in each of two sides of the first penetrating groove, two guide wheels (903) are rotatably connected to the inner wall of the second penetrating groove, and a bearing seat (905) is mounted below each of the two T-shaped seats (901).

3. The tower crane capable of preventing materials from shaking according to claim 2, wherein a guide rope (904) is fixed at the center of the top of the bearing seat (905), the other end of the guide rope (904) penetrates through a pair of guide wheels II (903) and a pair of guide wheels I (902) and penetrates through the other pair of guide wheels II (903) and is hinged to the top of the hanger (7), studs (906) fixed to the top of the bearing seat (905) are arranged on two sides of the guide rope (904), a plurality of balancing weights (907) are movably sleeved on the outer sides of the studs (906), and fastening nuts (908) in threaded connection with the studs (906) are arranged above the balancing weights (907).

4. The tower crane capable of preventing materials from shaking according to claim 1, wherein the anti-collision mechanism (10) comprises fixed outer rods (1001) fixed on two sides of the bottom of the fixing seat (4), telescopic inner rods (1002) are connected to the inside of the fixed outer rods (1001) in a sliding manner, anti-collision plates (1003) are fixed to the bottoms of the two telescopic inner rods (1002), telescopic channels matched with the telescopic inner rods (1002) are formed in the fixed outer rods (1001), a fixed cylinder (1004) is fixed to the inner top wall of each telescopic channel, a piston rod (1005) is connected to the inside of each fixed cylinder (1004) in a sliding and sealing manner, and one end of the piston rod (1005) is connected with the top of each telescopic inner rod (1002).

5. The tower crane capable of preventing materials from shaking according to claim 1, wherein an inner cavity is formed in the fixing base (4), two movable blocks (1006) are slidably connected to the inner cavity, a compression spring (1007) is fixed between one opposite sides of the two movable blocks (1006), an inflatable air bag (1008) is fixed between one opposite side of the two movable blocks (1006) and the end of the inner cavity, and a through hole II matched with the lifting rope (6) is formed in the anti-collision plate (1003) connected with a connecting pipe (1009) between the inflatable air bag (1008) and the fixing barrel (1004).

6. The tower crane capable of preventing materials from shaking according to claim 1, wherein the anti-falling mechanism (11) comprises a support plate (1101) fixed to the bottom of the hanger (7), an anti-falling plate (1102) is connected to the outer side of the support plate (1101) in a sliding manner, and a movable hole matched with the lifting hook (8) is formed in the anti-falling plate (1102).

7. The tower crane capable of preventing materials from shaking according to claim 1, wherein a screw (1104) rotatably connected to the bottom of the hanger (7) is arranged between the lifting hook (8) and the supporting plate (1101), and a hand wheel (1105) fixed to one end of the screw (1104) is arranged below the anti-falling plate (1102).