CN107344698A - A special high-altitude crane - Google Patents

Abstract

The invention 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 invention belongs to the technical field of cranes, and in particular relates 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.

Contents of the invention

The purpose of the present invention is to provide a kind of special high-altitude crane, to solve the existing special high-altitude crane proposed in the above-mentioned background technology, it is necessary to rent a large-scale truck crane during use, so that the work cost becomes high, and the entry site of the large-scale truck crane is limited. Limit, the problem that brings inconvenience to user high-altitude lifting.

In order to achieve the above object, the present invention 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 on the lower right side of the counterweight box, and a working plate is arranged on the upper left side of the working plate. A small hoist is provided, the right side of the small hoist is provided with a large hoist, the right side of the large hoist is provided with a fixed pin, the upper right side of the fixed pin is provided with an arm, and the top of the arm is provided with a The second pulley, the limiter iron block is arranged under the second pulley, the universal hook is arranged under the limiter iron block, the first pulley is arranged on the upper right side of the counterweight box, and the The upper right side of the first pulley is provided with a pulley block, 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 plate is provided with a supporting foot, the steel wire rope rotating shaft is installed on the right side of the large hoist, the right side of the steel wire rope rotating shaft is provided with a motor, and the middle position below the steel wire rope rotating shaft is provided with a fixed plate. 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 present invention are: the structure of the present invention is scientific and reasonable, and it is safe and convenient to use. The present invention is mainly used for hoisting of high-altitude buildings, and can realize the hoisting of objects within 200 meters. The four-stage telescopic boom can be stretched to 4 meters at the shortest, and can be extended to 11 meters at the longest. According to the setting of the boom with different lengths, the weight of the hoisting object can be between 2 tons and 10 tons. In the first boom, The outer surfaces of the second boom, third boom and fourth boom are provided with boom fixing pins, and the first boom, second boom, third boom and fourth boom are of different sizes in cross section When installing the arm, control the rotation of the small hoist, pull the first wire rope, and cooperate with the first pulley and the pulley block to make the arm in a horizontal position, and turn the first arm, the second arm, and the third arm in turn The rod and the fourth boom are fixed by the fixing pin of the boom. Four square support tubes intersect in pairs to form a fixed interface. The center plate makes the contact between the fixed interface and the ground more stable. Four positioning bolts are arranged on the outer surface of the four square support tubes. Four square support tubes and four support feet pass through four The fixed connection of the positioning bolt makes the machine body more stable when placed, and when the machine body rotates 360° when it is working, 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 the staff to control the machine at 360° , after the body is installed, control the arm to move up and down, power on the small hoist, the small hoist is rotated by 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 is fixedly connected to the small hoist , 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 up and down movement of the arm. When pulling an object, the iron block of the stopper prevents The universal hook is blown away by the wind, and the object is hung by the universal hook. The large winch rotates and pulls the second steel wire rope. The large winch and the second pulley cooperate with each other. When the arm lifts the object, the connection between the arm and the working plate It is 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, avoiding the tension between the arm and the inclined rod when lifting heavy objects. The joint of the working plate is broken. When pulling the object, control the rotation of the large hoist to make the body pull the object. During operation, control the rotation of the small hoist according to the different working environment, pull the first wire rope, and cooperate with the first pulley and the pulley group to make the arm The pole can raise the arm and bend the arm, so that the hoisting object will not be affected by obstacles and improve work efficiency.

Description of drawings

Fig. 1 is the front structure schematic diagram of the present invention;

Fig. 2 is a structural schematic diagram of a central turntable of the present invention;

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

Fig. 4 is the schematic diagram of the arm lever structure of the present invention;

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 description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-6, the present invention 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 lower right side of the counterweight box 10, and the working plate The upper left side of 7 is provided with small hoist 9, the right side of small hoist 9 is provided with large hoist 8, the right side of large hoist 8 is provided with fixed pin 2, and the upper right side of fixed pin 2 is provided with arm bar 1, arm bar The top of 1 is provided with a second pulley 15, and the bottom of the second pulley 15 is provided with a limiter iron block 16, and the bottom of the limiter iron block 16 is provided with a universal hook 18, and the upper right side of the counterweight box 10 is provided with a second pulley. A pulley 11, the upper right side of the first pulley 11 is provided with a pulley block 13, the central turntable 3 is installed under the right side of the working plate 7, a fixed interface 4 is arranged below the central turntable 3, and a positioning is provided on the left side of the fixed interface 4. Plate 5, the left end of positioning plate 5 is provided with support foot 6, and the right side of steel wire rope rotating shaft 30 is installed in 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 The plate 32 is fixed, and the motor 31 is electrically connected with an external power source.

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 application process of the present invention: After the present invention is installed, the body is placed on the working place, on the outer surfaces of the first arm 24, the second arm 25, the third arm 26 and the fourth arm 27 Arm bar fixing pin 28 is provided, 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, the small winch is controlled 9 Rotate, pull the first wire rope 12, cooperate with the first pulley 11 and the pulley block 13, make the arm 1 in the horizontal position, turn the first arm 24, the second arm 25, the third arm 26 and the fourth arm in turn The arm bar 27 is fixed by the arm bar fixing pin 28, and four square support tubes 21 intersect in pairs to form a fixed interface 4, and the intersecting positions of the four square support tubes 21 are provided with a central disk 22, and the four square support tubes 21 make The fixed interface 4 is 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 support feet 6 are fixedly connected by four positioning bolts 20, so that the body is placed more stably, and when the body is rotated 360° during operation, the central turntable 3 and the fixed interface 4 are fixed by the connecting frame 19, and the fixed interface 4 avoids The body shakes during work, and the central turntable 3 is convenient for the staff to control the machine at 360°. After the body is installed, the control arm 1 moves up and down, and the small hoist 9 is energized. The small hoist 9 rotates through the motor 31, and the small hoist 9 and the first pulley 11 is connected by 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, the first hoist is pulled A steel wire rope 12 cooperates with the first pulley 11 and the pulley block 13 to 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. To hold the object, 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. When the arm bar 1 lifts the object, the joint between the arm bar 1 and the working plate 7 is easy to break, and the first pulley 11, The working plate 7 and the oblique rod 29 form a triangular structure, and the triangle has stability, which makes the body structure more stable. The first pulley 11 and the working plate 7 share the tensile force on the oblique rod 29, so as to avoid the tension between the arm rod 1 and the working plate when lifting heavy objects. The joint of plate 7 is broken. When pulling an object, control the rotation of the large winch 8 so that the body pulls the object. After finishing the work, when disassembling the arm lever 1, control the rotation of the small winch 9 to pull the first wire rope 12 and pass through the first pulley 11. Cooperate with the pulley block 13 so that the arm 1 is in a horizontal position, and disassemble the fourth arm 27, the third arm 26, the second arm 25 and the first arm 24 in sequence, so that the staff can quickly assemble or disassemble the arm 1 .

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

Claims (6)

1. A special high-altitude crane, comprising a counterweight box (10), a central turntable (3) and a wire rope rotating shaft (30), characterized in that: a working plate (7) is arranged under the right side of the counterweight box (10) , the upper left side of the working plate (7) is provided with a small hoist (9), the right side of the small hoist (9) is provided with a large hoist (8), and the right side of the large hoist (8) is provided with a Fixed pin (2), the upper right side of described fixed pin (2) is provided with arm bar (1), and the top end of described arm bar (1) is provided with second pulley (15), and described second pulley (15 ) is provided with a limiter iron block (16), the bottom of the limiter iron block (16) is provided with a universal hook (18), and the upper right side of the counterweight box (10) is provided with a 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 of the work plate (7), and the center turntable (3) A fixed interface (4) is provided below the fixed interface (4), a positioning plate (5) is provided on the left side of the fixed interface (4), and a support foot (6) is provided at the left end of the positioning plate (5). (30) is installed on the right side of the large winch (8), the right side of the steel rope rotating shaft (30) is provided with a motor (31), and the lower middle position of the steel rope rotating shaft (30) is provided with a fixed plate ( 32), the motor (31) is electrically connected to an external power supply. 2. A special high-altitude crane according to claim 1, characterized in that: the first pulley (11) and the pulley block (13) are connected through a first wire rope (12) transmission, and the small winch (9 ) and the first pulley (11) are connected by the transmission of the first wire rope (12), the bottom end of the first wire rope (12) is fixedly connected with the small winch (9), and the top end of the first wire rope (12) Fixed at the middle position of the arm bar (1), the junction of the large winch (8) and the second pulley (15) is provided with a second wire rope (14), and the big winch (8) and the second pulley ( 15) are connected through the transmission of the second steel rope (14), the bottom end of the second steel rope (14) is fixedly connected with the large winch (8), and the top end of the second steel rope (14) is connected to the second pulley (15) ) is fixedly connected, and the third steel wire rope (17) is fixedly connected between the stopper iron block (16) and the universal hook (18), and one end of the third steel wire rope (17) and the stopper iron block (16) Fixed connection, the other end of the third wire rope (17) is fixedly connected to the universal hook (18). 3. A kind of special high-altitude crane according to claim 1, characterized in that: the fixed interface (4) is composed of four square support tubes (21) intersecting in pairs, and the four square support tubes ( 21) A center plate (22) is provided at the intersection position, and positioning bolts (20) are provided on the outer surface of the square support tube (21), and a positioning bolt (20) is provided on the outer surface of the square support tube (21) and the support foot (6). Fixedly connected by positioning bolts (20), a connection frame (19) is provided at the connection between the central turntable (3) and the fixed interface (4), and a fixed bolt (23) is provided on the outer surface of the positioning plate (5). ), the top of the connecting frame (19) is fixedly connected with the central turntable (3) by welding, and the bottom end of the connecting frame (19) is fixed on the positioning plate (5) by the fixing bolt (23). 4. A special high-altitude crane according to claim 1, characterized in that: the boom (1) is composed of a first boom (24), a second boom (25), a third boom (26) and the fourth boom (27), the outer surfaces of the first boom (24), second boom (25), third boom (26) and fourth boom (27) are all provided with arms The lever fixing pin (28), the first arm (24), the second arm (25), the third arm (26) and the fourth arm (27) are connected by the arm fixing pin ( 28) Fixed connection. 5. A special high-altitude crane according to claim 1, characterized in that: a diagonal rod (29) is provided at the connection between the first pulley (11) and the working plate (7), and the diagonal rod (29 ) is fixedly connected with the first pulley (11), and the bottom end of the inclined rod (29) is fixedly connected with the working plate (7). 6. A special high-altitude crane according to claim 1, characterized in that: the large winch (8) and the working plate (7) are fixedly connected by a fixing plate (32).