CN207209809U - Special overhead crane - Google Patents

Abstract

The utility model discloses a special high-altitude crane, which comprises a weight box, a central turntable and a steel wire rope rotating shaft, wherein a working plate is arranged below the right side of the weight box, a small winch is arranged above the left side of the working plate, a large winch is arranged on the right side of the small winch, a fixed pin is arranged on the right side of the large winch, an arm lever is arranged above the right side of the fixed pin, a second pulley is arranged at the top end of the arm lever, a stopper iron block is arranged below the second pulley, and a universal lifting hook is arranged below the stopper iron block; when the object is pulled, the large winch is controlled to rotate, so that the object is pulled by the machine body, after work is completed, when the arm lever is detached, the small winch is controlled to rotate, the first steel wire rope is pulled, the first pulley and the pulley block are matched with each other, the arm lever is in a horizontal position, the fourth arm lever, the third arm lever, the second arm lever and the first arm lever are detached in sequence, and convenience is brought to a user.

Description

A special high-altitude crane

technical field

The utility model belongs to the technical field of cranes, in particular to a special high-altitude crane.

Background technique

A crane refers to a multi-action hoisting machine that lifts vertically and carries heavy objects horizontally within a certain range. Also known as cranes, aerial cranes, cranes, and tire cranes, the main features are: the driving cab and the lifting control room are combined into one, and it is evolved from a crawler crane. The chassis with tires overcomes the shortcomings of crawler cranes that cause damage to the road surface. It belongs to material handling machinery. The end is located on a tall concrete column or metal support, shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the tracks laid on the elevated sides on both sides, which can make full use of the space under the bridge frame to lift materials without being hindered by ground equipment.

The existing special high-altitude cranes in our country need to rent large-scale truck cranes when using them, which makes the work cost higher, and the access of large-scale truck cranes is limited, which brings inconvenience to users for high-altitude lifting.

Utility model content

The purpose of this utility model is to provide a kind of special high-altitude crane, in order to solve the existing special high-altitude crane proposed in the above-mentioned background technology, need to rent the large-scale truck crane during use, make the work cost become high, and the large-scale truck crane enters the site It is limited, which brings inconvenience to the user when lifting at high altitude.

In order to achieve the above purpose, the utility model provides the following technical solutions: a special high-altitude crane, including a counterweight box, a central turntable and a wire rope rotating shaft, a working plate is arranged under the right side of the counterweight box, and the left side of the working plate is A small hoist is arranged above, a large hoist is arranged on the right side of the small hoist, a fixed pin is arranged on the right side of the large hoist, an arm is arranged above the right side of the fixed pin, and the top of the arm is arranged There is a second pulley, a limiter iron block is arranged under the second pulley, a universal hook is arranged under the limiter iron block, and a first pulley is arranged above the right side of the counterweight box, so A block of pulleys is arranged above the right side of the first pulley, the center turntable is installed under the right side of the working plate, a fixed interface is arranged under the center turntable, and a positioning plate is arranged on the left side of the fixed interface. The left end of the positioning plate is provided with a supporting foot, the steel wire rope rotating shaft is installed on the right side of the large winch, the right side of the steel wire rope rotating shaft is provided with a motor, and the lower middle position of the steel wire rope rotating shaft is provided with a fixed plate, so The motor is electrically connected with the external power supply.

Preferably, the transmission connection between the first pulley and the pulley block is through a first wire rope, the transmission connection between the small hoist and the first pulley is through a first wire rope, and the bottom end of the first wire rope is fixedly connected to the small hoist, The top end of the first steel wire rope is fixed at the middle position of the boom, the connection between the large hoist and the second pulley is provided with a second steel wire rope, and the large hoist and the second pulley are connected by a second steel wire rope transmission, The bottom end of the second steel wire rope is fixedly connected to the large winch, the top end of the second steel wire rope is fixedly connected to the second pulley, and the iron block of the limiter is fixedly connected to the universal hook through the third steel wire rope. One end of the third steel wire rope is fixedly connected to the stopper iron block, and the other end of the third steel wire rope is fixedly connected to the universal hook.

Preferably, the fixed interface is composed of four square support tubes intersecting two by two, a central plate is arranged at the intersection position of the four square support tubes, and positioning bolts are provided on the outer surface of the four square support tubes, so that The square support tube and the support feet are fixedly connected by positioning bolts, a connecting frame is arranged at the connection between the central turntable and the fixed interface, and a fixing bolt is arranged on the outer surface of the positioning plate, and the top end of the connecting frame It is fixedly connected with the central turntable by welding, and the bottom end of the connecting frame is fixed on the positioning plate by a fixing bolt.

Preferably, the boom consists of a first boom, a second boom, a third boom and a fourth boom, and the first boom, the second boom, the third boom and the fourth boom The outer surfaces of the arms are all provided with arm fixing pins, and the first arm, the second arm, the third arm and the fourth arm are fixedly connected by the arm fixing pins.

Preferably, a diagonal rod is provided at the connection between the first pulley and the working plate, the top end of the diagonal rod is fixedly connected to the first pulley, and the bottom end of the diagonal rod is fixedly connected to the working plate.

Preferably, the large hoist is fixedly connected to the working board through a fixing board.

Compared with the prior art, the beneficial effects of the utility model are: the utility model has a scientific and reasonable structure, and is safe and convenient to use. The utility model is mainly used for hoisting on high-altitude roofs, and can realize hoisting of objects within 200 meters. Set the telescopic boom, the shortest of the four-section telescopic boom can be extended to 4 meters, and the longest can be extended to 11 meters. Boom fixing pins are arranged on the outer surfaces of the boom, the second boom, the third boom and the fourth boom, and the first boom, the second boom, the third boom and the fourth boom are horizontal For straight rods with different cross-sections, when installing the boom, control the rotation of the small winch, pull the first wire rope, and cooperate with the first pulley and the pulley block to make the boom in a horizontal position, and turn the first boom, second boom, The third boom and the fourth boom are fixed by the fixing pins of the booms. Four square support tubes intersect in pairs to form a fixed interface. A central plate is arranged at the intersection of the four square support tubes. The four square support tubes The fixed interface is more firm when fixed, and the center plate makes the fixed interface more stable when it is in contact with the ground. Four positioning bolts are arranged on the outer surface of the four square support tubes, between the four square support tubes and the four support feet. The four positioning bolts are fixedly connected to make the body more stable when placed, and when the body is rotated 360° during operation, the center turntable and the fixed interface are fixed through the connecting frame. The fixed interface prevents the body from shaking during work, and the center turntable is convenient for staff 360° °Control the machine, after the body is installed, control the arm to move up and down, power on the small hoist, the small hoist rotates through the motor, and the small hoist and the first pulley are connected by the first wire rope transmission, because the bottom end of the first wire rope and the small hoist The hoist is fixedly connected, and the top of the first wire rope is fixed at the middle position of the arm. When the small hoist rotates, the first wire rope is pulled, and the first pulley and the pulley block cooperate with each other to control the arm to move up and down. When pulling the object, the limiter The iron block prevents the universal hook from being blown away by the wind. The object is hung by the universal hook. The large winch rotates and pulls the second wire rope. The large winch and the second pulley cooperate with each other. When the arm lifts the object, the arm and the working plate The joints are easy to break. The first pulley, the working plate and the inclined rod form a triangular structure. The triangle has stability, which makes the body structure more stable. The first pulley and the working plate share the tension on the inclined rod to avoid lifting heavy objects. The connection between the arm and the working plate is broken. When pulling the object, control the rotation of the large winch so that the body pulls the object. During operation, control the rotation of the small winch according to the non-working environment, pull the first wire rope, and cooperate with the first pulley and the pulley block , so that the boom can be raised and bent, so that it will not be affected by obstacles when lifting objects, and improve work efficiency.

Description of drawings

Fig. 1 is the front structural representation of the utility model;

Fig. 2 is the structure schematic diagram of the center turntable of the present utility model;

Fig. 3 is the structural representation of positioning plate of the present utility model;

Fig. 4 is the schematic diagram of the arm lever structure of the utility model;

Fig. 5 is a schematic diagram of the connection structure of the working plate of the present invention;

Fig. 6 is a structural schematic diagram of a large winch of the present invention;

In the figure: 1-arm lever, 2-fixed pin, 3-center turntable, 4-fixed interface, 5-positioning plate, 6-supporting foot, 7-working board, 8-big winch, 9-small winch, 10- Counterweight box, 11-first pulley, 12-first wire rope, 13-pulley block, 14-second wire rope, 15-second pulley, 16-limiter iron block, 17-third wire rope, 18-universal crane Hook, 19-connecting frame, 20-positioning bolt, 21-square support tube, 22-center plate, 23-fixing bolt, 24-primary arm, 25-second arm, 26-third arm, 27-the fourth arm bar, 28-arm bar fixing pin, 29-slanting bar, 30-wire rope rotating shaft, 31-motor, 32-fixed plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-6, the utility model provides a technical solution: a special high-altitude crane, including a counterweight box 10, a central turntable 3, and a wire rope rotating shaft 30, and a working plate 7 is arranged on the right side of the counterweight box 10. The upper left side of the plate 7 is provided with a small hoist 9, the right side of the small hoist 9 is provided with a large hoist 8, the right side of the large hoist 8 is provided with a fixed pin 2, and the upper right side of the fixed pin 2 is provided with an arm lever 1, the arm The top of the bar 1 is provided with a second pulley 15, the second pulley 15 is provided with a stopper iron block 16, the bottom of the stopper iron block 16 is provided with a universal hook 18, and the upper right side of the counterweight box 10 is provided with a The first pulley 11, the upper right side of the first pulley 11 is provided with a pulley block 13, the center turntable 3 is installed on the right side below the working plate 7, the bottom of the center turntable 3 is provided with a fixed interface 4, and the left side of the fixed interface 4 is provided with Positioning plate 5, the left end of positioning plate 5 is provided with supporting foot 6, and steel wire rope rotating shaft 30 is installed on the right side of large winch 8, and the right side of steel wire rope rotating shaft 30 is provided with motor 31, and the lower middle position of steel wire rope rotating shaft 30 is provided with There is a fixing plate 32, and the motor 31 is electrically connected with an external power supply.

In this embodiment, preferably, the first pulley 11 and the pulley block 13 are connected through the first wire rope 12, and the small winch 9 and the first pulley 11 are connected through the first wire rope 12. The bottom end of the first wire rope 12 It is fixedly connected with the small hoist 9, the top of the first wire rope 12 is fixed at the middle position of the arm lever 1, the connection between the large hoist 8 and the second pulley 15 is provided with a second wire rope 14, and the connection between the large hoist 8 and the second pulley 15 is fixed. The transmission connection between them is through the second wire rope 14, the bottom end of the second wire rope 14 is fixedly connected with the large winch 8, the top end of the second wire rope 14 is fixedly connected with the second pulley 15, and the iron block 16 of the stopper and the universal hook 18 are fixedly connected by a third wire rope 17, one end of the third wire rope 17 is fixedly connected to the stopper iron block 16, and the other end of the third wire rope 17 is fixedly connected to the universal hook 18, in order to control the arm Rod 1 moves up and down to energize the small hoist 9, the small hoist 9 rotates through the motor 31, and the small hoist 9 and the first pulley 11 are connected by the first wire rope 12, because the bottom end of the first wire rope 12 is fixed to the small hoist 9 connection, the top of the first wire rope 12 is fixed at the middle position of the arm 1, when the small winch 9 rotates, the first wire rope 12 is pulled, and the first pulley 11 and the pulley block 13 cooperate with each other to control the movement of the arm 1 up and down, pulling the object , the limiter iron block 16 prevents the universal hook 18 from being blown away by the wind, and the object is hung by the universal hook 18, and the large hoist 8 rotates and pulls the second wire rope 14, and the large hoist 8 and the second pulley 15 cooperate with each other. Make the arm 1 pull the object.

In this embodiment, preferably, the fixed interface 4 is composed of four quadrangular support tubes 21 intersecting two by two, and the intersection position of the four quadrangular support tubes 21 is provided with a central disk 22, and the outer surface of the quadrangular support tubes 21 is provided with The positioning bolt 20, the square support tube 21 and the supporting foot 6 are fixedly connected by the positioning bolt 20, the connection frame 19 is arranged at the junction of the central turntable 3 and the fixed interface 4, and the fixing bolt 23 is arranged on the outer surface of the positioning plate 5 , the top of the connecting frame 19 and the central turntable 3 are fixedly connected by welding, the bottom end of the connecting frame 19 is fixed on the positioning plate 5 by the fixing bolt 23, and the four square support tubes 21 make the fixed interface 4 more firm when fixed, The center plate 22 makes the fixed interface 4 more stable when in contact with the ground. Four positioning bolts 20 are arranged on the outer surfaces of the four square support tubes 21, and the four square support tubes 21 and the four support feet 6 pass through The four positioning bolts 20 are fixedly connected to make the body more stable when placed. In order to realize the 360° rotation of the body during work, the central turntable 3 and the fixed interface 4 are fixed through the connecting frame 19. The fixed interface 4 prevents the body from shaking when it is working. The center turntable 3 It is convenient for the staff to control the machine at 360° and lift objects.

In this embodiment, preferably, the boom 1 is composed of a first boom 24, a second boom 25, a third boom 26 and a fourth boom 27, the first boom 24, the second boom 25, the first boom The outer surfaces of the three arm levers 26 and the fourth arm lever 27 are all provided with arm lever fixing pins 28, and the arms are passed between the first arm lever 24, the second arm lever 25, the third arm lever 26 and the fourth arm lever 27. Rod fixing pin bolt 28 is fixedly connected, because arm bar 1 is too long when working, therefore arm bar 1 is designed into the telescopic form, in the first arm bar 24, the second arm bar 25, the third arm bar 26 and the first arm bar The outer surface of the four-arm bar 27 is provided with arm bar fixing pins 28, and the first arm bar 24, the second arm bar 25, the third arm bar 26 and the fourth arm bar 27 are straight bars with different sizes in cross-section. When the arm is at 1, control the rotation of the small winch 9, pull the first wire rope 12, cooperate with the first pulley 11 and the pulley block 13, make the arm 1 be in a horizontal position, turn the first arm 24, the second arm 25, The third boom 26 and the fourth boom 27 are fixed by the boom fixing pin 28. After the work is completed, when the boom 1 is disassembled, the small winch 9 is controlled to rotate, and the first wire rope 12 is pulled to pass through the first pulley 11 and the pulley block 13. Cooperate with each other so that the arm lever 1 is in a horizontal position, and the fourth arm lever 27, the third arm lever 26, the second arm lever 25 and the first arm lever 24 are sequentially disassembled, so that the staff can quickly assemble or disassemble the arm lever 1.

In this embodiment, preferably, the connection between the first pulley 11 and the working plate 7 is provided with a slanting rod 29, the top end of the slanting rod 29 is fixedly connected to the first pulley 11, and the bottom end of the slanting rod 29 is fixedly connected to the working plate 7 , when the arm 1 lifts the object, the connection between the arm 1 and the working plate 7 is easy to break, and the first pulley 11, the working plate 7 and the inclined rod 29 form a triangular structure, and the triangle has stability, making the body structure more stable. A pulley 11 and the working board 7 share the tensile force that the inclined rod 29 is subjected to, so as to prevent the joint of the arm bar 1 and the working board 7 from breaking when lifting heavy objects.

In this embodiment, preferably, the large hoist 8 and the working plate 7 are fixedly connected by a fixed plate 32, and the large hoist 8 and the small hoist 9 have the same structure. When working, when the small hoist 9 rotates, the first steel wire rope 12 is pulled, Through the mutual cooperation of the first pulley 11 and the pulley block 13, the arm lever 1 is controlled to move up and down, and when the object is pulled, the large hoist 8 rotates and pulls the second steel wire rope 14, and the large hoist 8 and the second pulley 15 cooperate with each other to control the rotation of the large hoist 8, so that The body pulls the object.

The working principle and use process of the utility model: after the utility model is installed, the body is placed on the working place, and outside the first arm lever 24, the second arm lever 25, the third arm lever 26 and the fourth arm lever 27 Arm bar fixing pin 28 is arranged on the surface, and first arm bar 24, second arm bar 25, third arm bar 26 and fourth arm bar 27 are straight bars with different sizes in cross section. When arm bar 1 is installed, control The small winch 9 rotates, pulls the first wire rope 12, cooperates with the pulley block 13 through the first pulley 11, so that the arm lever 1 is in a horizontal position, and the first arm lever 24, the second arm lever 25, the third arm lever 26 and the The fourth arm 27 is fixed by the arm fixing pin 28. Four square support tubes 21 intersect in pairs to form a fixed interface 4. The intersection of the four square support tubes 21 is provided with a central disk 22. The four square support tubes 21 makes the fixed interface 4 more firm when fixed, and the center plate 22 makes the fixed interface 4 more stable when it contacts the ground. Four positioning bolts 20 are arranged on the outer surfaces of the four square support tubes 21, and the four square support tubes 21 and the four supporting feet 6 are fixedly connected by four positioning bolts 20, so that the body is more stable when placed, and when the 360° rotation of the body is realized, the central turntable 3 and the fixed interface 4 are fixed by the connecting frame 19, and the fixed interface 4 Avoid shaking when the body is working. The central turntable 3 is convenient for the staff to control the machine at 360°. One pulley 11 is connected through the transmission of the first wire rope 12, because the bottom end of the first wire rope 12 is fixedly connected with the small hoist 9, and the top of the first wire rope 12 is fixed at the middle position of the arm lever 1. When the small hoist 9 rotates, Pull the first wire rope 12, through the mutual cooperation of the first pulley 11 and the pulley block 13, control the arm bar 1 to move up and down, when pulling the object, the stopper iron block 16 prevents the universal hook 18 from being blown away by the wind, and the universal hook 18 hangs on the object, the large hoist 8 rotates and pulls the second wire rope 14, the large hoist 8 and the second pulley 15 cooperate with each other, when the arm 1 lifts the object, the connection between the arm 1 and the working plate 7 is easy to break, and the first pulley 11. The working plate 7 and the inclined rod 29 form a triangular structure. The triangle has stability, which makes the body structure more stable. The first pulley 11 and the working plate 7 share the tension on the inclined rod 29 to avoid lifting heavy objects. The connection with the working plate 7 is broken. When pulling the object, the large hoist 8 is controlled to rotate, so that the body pulls the object. After the work is completed, when the arm lever 1 is disassembled, the small hoist 9 is controlled to rotate, and the first wire rope 12 is pulled. The pulley 11 and the pulley block 13 cooperate with each other so that the arm 1 is in a horizontal position, and the fourth arm 27, the third arm 26, the second arm 25 and the first arm 24 are dismantled in sequence, which is convenient for the staff to quickly assemble or disassemble the arm pole 1.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of extraordinary Dramatic Air Lifts, including ballast box (10), central turnplate (3) and wire rope rotating axle (30), its feature It is：The lower right-hand side of the ballast box (10) is provided with working plate (7), is provided with above the left side of the working plate (7) small Hoist engine (9), big hoist engine (8) is provided with the right side of the small hoist engine (9), is provided with the right side of the big hoist engine (8) Steady pin (2), the right side top of the steady pin (2) are provided with armed lever (1), and the top of the armed lever (1) is provided with the second cunning Take turns (15), be provided with limiter iron block (16) below the second pulley (15), set below the limiter iron block (16) Universal lifting hook (18) is equipped with, first pulley (11), the first pulley (11) are provided with above the right side of the ballast box (10) Right side above be provided with assembly pulley (13), the central turnplate (3) is arranged on the lower right-hand side of working plate (7), the center Fixed interface (4) is provided with below rotating disk (3), location-plate (5), the positioning are provided with the left of the fixed interface (4) The left end of plate (5) is provided with support feet (6), and the wire rope rotating axle (30) is arranged on the right side of big hoist engine (8), the steel Motor (31) is provided with the right side of cord rotary shaft (30), the lower section middle position of the wire rope rotating axle (30) is provided with Fixed plate (32), the motor (31) are electrically connected with external power source.

A kind of 2. extraordinary Dramatic Air Lifts according to claim 1, it is characterised in that：The first pulley (11) and pulley It is connected between group (13) by the first steel wire rope (12), by the between the small hoist engine (9) and first pulley (11) One steel wire rope (12) is connected, and the bottom of first steel wire rope (12) is fixedly connected with small hoist engine (9), first steel The top of cord (12) is fixed on the junction of the middle position of armed lever (1), the big hoist engine (8) and second pulley (15) The second steel wire rope (14) is provided with, is driven between the big hoist engine (8) and second pulley (15) by the second steel wire rope (14) Connection, the bottom of second steel wire rope (14) is fixedly connected with big hoist engine (8), the top of second steel wire rope (14) and Second pulley (15) is fixedly connected, solid by the 3rd steel wire rope (17) between the limiter iron block (16) and Universal lifting hook (18) Fixed connection, one end of the 3rd steel wire rope (17) are fixedly connected with limiter iron block (16), the 3rd steel wire rope (17) The other end is fixedly connected with Universal lifting hook (18).

A kind of 3. extraordinary Dramatic Air Lifts according to claim 1, it is characterised in that：The fixed interface (4) is by four Rectangular support pipe (21) intersects composition two-by-two, and four rectangular support pipes (21) intersection location is provided with spider (22) pilot pin (20), the rectangular support pipe (21) and branch, are provided with the outer surface of the rectangular support pipe (21) It is fixedly connected between spike (6) by pilot pin (20), the junction of the central turnplate (3) and fixed interface (4) is provided with Link (19), gim peg (23), the top and center of the link (19) are provided with the outer surface of the location-plate (5) Rotating disk (3) is fixedly connected by way of welding, and the bottom of the link (19) is fixed on location-plate by gim peg (23) (5) on.

A kind of 4. extraordinary Dramatic Air Lifts according to claim 1, it is characterised in that：The armed lever (1) is by the first armed lever (24), the second armed lever (25), the 3rd armed lever (26) and the 4th armed lever (27) composition, first armed lever (24), the second armed lever (25), the outer surface of the 3rd armed lever (26) and the 4th armed lever (27) is provided with armed lever and fixes pin (28), first armed lever (24), pin (28) is fixed by armed lever between the second armed lever (25), the 3rd armed lever (26) and the 4th armed lever (27) to be fixedly connected.

A kind of 5. extraordinary Dramatic Air Lifts according to claim 1, it is characterised in that：The first pulley (11) and work The junction of plate (7) is provided with brace (29), and the top of the brace (29) is fixedly connected with first pulley (11), the brace (29) bottom is fixedly connected with working plate (7).

A kind of 6. extraordinary Dramatic Air Lifts according to claim 1, it is characterised in that：The big hoist engine (8) and work It is fixedly connected between plate (7) by fixed plate (32).