CN210528335U

CN210528335U - Driving trolley assembly of gantry crane

Info

Publication number: CN210528335U
Application number: CN201920985908.0U
Authority: CN
Inventors: 刘钦; 周扬; 李�荣; 雷奥星
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-15
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a gantry crane driving trolley assembly, which comprises a vehicle rack, the both ends of frame both sides outer wall are all rotated and are connected with the removal wheel, the both sides inner wall of frame is all rotated and is connected the actuating lever, and the actuating lever with be located two on frame right side and remove through bolted connection between the wheel, the both sides inner wall of frame is close to middle position and all rotates and is connected with the dwang, and the outer wall of dwang and the outer wall of actuating lever all are fixed with the serrated wheel, two the outer wall of serrated wheel all meshes there is the rack area, one side outer wall of frame is fixed with the second motor, and passes through bolted connection between the one end of second motor output shaft. The utility model discloses can prevent that the drive carriage from highly dropping to cause the accidental injury to subaerial workman, can prevent that the goods from droing from the lifting hook, thereby can prevent that the lifting rope from breaking off and leading to the goods to drop from the eminence and cause the threat to subaerial workman's safety.

Description

Driving trolley assembly of gantry crane

Technical Field

The utility model relates to a gantry crane technical field especially relates to gantry crane drive dolly assembly.

Background

The crane is one of hoisting machines, and is one cyclic intermittent motion machine, and one work cycle includes one article taking device to lift article from the article taking place, one article taking device to drop article to the required place, one reverse motion to return the article taking device to the original position for the next cycle, and one driving bogie assembly.

Through retrieval, chinese patent application No. CN207451466U discloses a container gantry crane trolley, which comprises a translation traveling mechanism, a translation trolley, a rotation trolley, a winding drum, a rotation traveling mechanism, a rotation track, a stabilizing mechanism and a hoisting mechanism, wherein the translation traveling mechanism is respectively connected to four corners of the translation trolley, the rotation track is arranged on the upper end surface of the translation trolley, the rotation trolley is connected to the rotation track through the rotation traveling mechanism, the hoisting mechanism is arranged on the rotation trolley, and the winding drum is connected to a lifting appliance through the stabilizing mechanism. One of the container gantry crane trolleys in the above patent has the following disadvantages: when hanging the goods and getting, because the length process of lifting rope, consequently can take place to rock on the way of handling, from rocking can make the drive trolley take place slight vibration, can lead to the drive trolley to drop from the eminence to cause the accident.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a driving trolley assembly of a portal crane.

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

the portal crane driving trolley assembly comprises a frame, wherein two ends of the outer walls of two sides of the frame are respectively and rotatably connected with a moving wheel, the inner walls of two sides of the frame are respectively and rotatably connected with a driving rod, the driving rod is connected with two moving wheels positioned at the right side of the frame through a bolt, the inner walls at the two sides of the frame are both rotatably connected with a rotating rod near the middle, and the outer walls of the rotating rod and the driving rod are both fixed with sawtooth wheels, the outer walls of the two sawtooth wheels are both meshed with a rack belt, the outer wall of one side of the frame is fixed with a second motor, one end of the output shaft of the second motor is connected with the rotating rod through a bolt, four corners of the outer wall of the top of the frame are all fixed with telescopic rods, and the outer walls of the four telescopic rods are sleeved with springs, the outer walls of the tops of the four telescopic rods are fixed with fixing plates, and the outer walls of the tops of the fixing plates are provided with rectangular openings.

As a further aspect of the present invention: the inner walls of two sides of the rectangular opening are both fixed with rotating frames, and the outer wall of one side, opposite to the two rotating frames, of each rotating frame is rotatably connected with a rotating roller.

As a further aspect of the present invention: one side of fixed plate top outer wall is fixed with the fixed case, and the both sides inner wall of fixed case all rotates and is connected with the axis of rotation, and two one side outer walls that the axis of rotation is relative all are fixed with the rolling dish, and the outer wall of rolling dish is opened there are two receipts winding up grooves.

As a further aspect of the present invention: two the outer wall of coiling groove all rolls there is the lifting rope, and the outer wall of lifting rope is provided with the fixed block, and the both sides of fixed block bottom outer wall all rotate and are connected with the lifting hook, and one side outer wall of two lifting hooks is provided with the barb.

As a further aspect of the present invention: and a first motor is fixed on one side of the inner wall of the top of the fixed box.

As a further aspect of the present invention: one end of the output shaft of the first motor can be fixed with a driving gear, the outer wall of the rotating shaft is fixed with a driven gear, and the driven gear is meshed with the driving gear.

As a further aspect of the present invention: the first motor and the second motor are both connected with a switch through wires, and the switch is connected with a power supply through wires.

As a further aspect of the present invention: one end of the output shaft of the first motor can also be fixed with a first belt pulley, the outer wall of the first belt pulley is rotatably connected with a belt, the outer wall of the rotating shaft is fixed with a second belt pulley, and the second belt pulley is rotatably connected with the belt.

The utility model has the advantages that:

1. the telescopic rod and the spring are arranged, so that the buffering and damping effects can be achieved, the goods can be conveniently hoisted, and the situation that the goods shake due to the fact that the length of the hoisting rope is long during hoisting, and therefore the driving trolley can fall from the height to cause accidental injury to workers on the ground can be prevented;

2. the friction force between the lifting hook and the goods can be increased through the arranged lifting hook and the barbs, so that the goods can be fixed conveniently, and the situation that the safety of workers on the ground is threatened due to the fact that the goods fall off from the lifting hook due to shaking generated in lifting is prevented;

3. through the rotating turret and the live-rollers that set up, can reduce the frictional force between lifting rope and the drive dolly to carry out the handling to the goods, thereby prevent to lead to the lifting rope to break off and lead to the goods to drop from the eminence to the safety of subaerial workman and cause the threat because the goods makes the frictional force between lifting rope and the drive dolly increase by weight when the handling.

Drawings

FIG. 1 is a schematic structural diagram of a driving trolley assembly of the gantry crane according to embodiment 1;

FIG. 2 is a schematic structural diagram of a frame of the driving trolley assembly of the gantry crane in embodiment 1;

FIG. 3 is a schematic structural diagram of a driving trolley assembly of the gantry crane according to embodiment 2.

In the figure: the device comprises a frame 1, a rotating rod 2, a toothed belt 3, a serrated wheel 4, a driving rod 5, a telescopic rod 6, a spring 7, a fixed plate 8, a rotating frame 9, a fixed box 10, a driving gear 11, a first motor 12, a winding groove 13, a lifting rope 14, a rotating roller 15, a moving wheel 16, a fixed block 17, a lifting hook 18, a barb 19, a second motor 20, a belt 21 and a first belt pulley 22.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a driving trolley assembly of a portal crane comprises a frame 1, wherein two ends of the outer walls of two sides of the frame 1 are rotatably connected with moving wheels 16, the inner walls of two sides of the frame 1 are rotatably connected with driving rods 5, the driving rods 5 are connected with the two moving wheels 16 positioned at the right side of the frame 1 through bolts, the inner walls of two sides of the frame 1 near the middle are rotatably connected with rotating rods 2, the outer walls of the rotating rods 2 and the outer walls of the driving rods 5 are connected with sawtooth wheels 4 through bolts, the outer walls of the two sawtooth wheels 4 are respectively engaged with a rack belt 3, the outer wall of one side of the frame 1 is connected with a second motor 20 through bolts, one end of the output shaft of the second motor 20 is connected with the rotating rods 2 through bolts, four corners of the outer wall at the top of the frame 1 are respectively, the outer walls of the tops of the four telescopic rods 6 are connected with a fixing plate 8 through bolts, and the outer wall of the top of the fixing plate 8 is provided with a rectangular opening.

Wherein, the inner walls of two sides of the rectangular opening are both connected with rotating frames 9 through bolts, the outer wall of one side opposite to the two rotating frames 9 is both rotatably connected with a rotating roller 15, one side of the outer wall of the top of a fixed plate 8 is connected with a fixed box 10 through bolts, the inner walls of two sides of the fixed box 10 are both rotatably connected with rotating shafts, the outer wall of one side opposite to the two rotating shafts is both connected with a winding disc through bolts, the outer wall of the winding disc is provided with two winding grooves 13, the outer walls of the two winding grooves 13 are both wound with lifting ropes 14, the outer wall of the lifting rope 14 is provided with a fixed block 17, both sides of the outer wall of the bottom of the fixed block 17 are both rotatably connected with lifting hooks 18, one side outer wall of the two lifting hooks 18 is provided with barbs 19, so as to increase the friction between the lifting hooks 18 and the goods, thereby preventing the goods from falling off from, one side of fixed box 10 top inner wall has first motor 12 through bolted connection, and the one end of first motor 12 output shaft can have driving gear 11 through bolted connection, and the outer wall of axis of rotation has driven gear through bolted connection, and the meshing between driven gear and the driving gear 11, first motor 12 and second motor 20 all are connected with the switch through the wire, and the switch is connected with the power through the wire.

The working principle is as follows: during the use, place the drive dolly at portal crane's top, when needs lift by crane, open the switch, first motor 12 can drive driving gear 11 and rotate, thereby make the rolling disc drive lifting rope 14 and lifting hook 18 move down through the meshing, fix subaerial goods through lifting hook 18, after fixed the completion, through the reversal of first motor 12, thereby hoist subaerial goods, second motor 20 can drive dwang 2 and rotate, thereby make actuating lever 5 drive removal wheel 16 remove, hoist the goods to suitable position, telescopic link 6 and spring 7 can prevent during the handling because the longer goods that leads to of lifting rope 14 of length from rocking so that the drive dolly drops from high, can reduce the frictional force between lifting rope 14 and the drive dolly through rotor 15, so as to hoist the goods, prevent that the increase of frictional force between lifting rope 14 and the drive dolly leads to lifting rope 14 because the goods is heavier when the handling because the goods leads to the lifting rope 14 A fracture occurs.

Example 2

Referring to fig. 3, gantry crane drive dolly assembly, this embodiment compares in embodiment 1, the one end of first motor 12 output shaft can also be connected with first belt pulley 22 through bolted connection, and the outer wall of first belt pulley 22 rotates and is connected with belt 21, the outer wall of axis of rotation has the second belt pulley through bolted connection, form between second belt pulley and the belt 21 and rotate and be connected, drive first belt pulley 22 through first motor 12 and rotate, thereby make belt 21 drive the second belt pulley and rotate, make the rolling dish roll up lifting rope 14.

The working principle is as follows: when the hoisting device is used, the driving trolley is placed at the top of the portal crane, when the hoisting device needs to be hoisted, the switch is turned on, the first motor 12 can drive the first belt pulley 22 to rotate, the belt 21 drives the second belt pulley to rotate, the winding disc drives the hoisting rope 14 and the hoisting hook 18 to move downwards, the goods on the ground are fixed through the hoisting hook 18, after the fixing is completed, the goods on the ground are hoisted through the reverse rotation of the first motor 12, the second motor 20 can drive the rotating rod 2 to rotate, the driving rod 5 drives the moving wheel 16 to move, the goods are hoisted to a proper position, the telescopic rod 6 and the spring 7 can prevent the goods from shaking due to the long length of the hoisting rope 14 during the hoisting process, so that the driving trolley drops from the height, the friction force between the hoisting rope 14 and the driving trolley can be reduced through the rotating roller 15, and the goods can be hoisted conveniently, the lifting rope 14 is prevented from being broken due to the fact that friction force between the lifting rope 14 and the driving trolley is increased when the goods are heavier during lifting.

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. Portal crane drive dolly assembly, including frame (1), its characterized in that, the both ends of frame (1) both sides outer wall all rotate to be connected with and remove wheel (16), the both sides inner wall of frame (1) all rotates to be connected with actuating lever (5), and passes through bolted connection between actuating lever (5) and two removal wheels (16) that are located frame (1) right side, the both sides inner wall of frame (1) is close to middle position and all rotates to be connected with dwang (2), and the outer wall of dwang (2) and the outer wall of actuating lever (5) all are fixed with sawtooth wheel (4), the outer wall of two sawtooth wheel (4) all meshes rack area (3), one side outer wall of frame (1) is fixed with second motor (20), and passes through bolted connection between one end of second motor (20) output shaft and dwang (2), the four corners of frame (1) top outer wall all is fixed with telescopic link (6), and the outer walls of the four telescopic rods (6) are sleeved with springs (7), four fixing plates (8) are fixed on the outer walls of the tops of the four telescopic rods (6), and rectangular openings are formed in the outer walls of the tops of the fixing plates (8).

2. The driving trolley assembly of the gantry crane according to claim 1, wherein the inner walls of two sides of the rectangular opening are fixed with rotating frames (9), and the outer wall of one side of the two rotating frames (9) opposite to each other is rotatably connected with a rotating roller (15).

3. The driving trolley assembly of the gantry crane according to claim 2, wherein a fixed box (10) is fixed on one side of the top outer wall of the fixed plate (8), the inner walls of the two sides of the fixed box (10) are rotatably connected with rotating shafts, the outer wall of the side opposite to the two rotating shafts is fixed with a winding disc, and the outer wall of the winding disc is provided with two winding grooves (13).

4. The driving trolley assembly of the gantry crane according to claim 3, wherein the outer walls of the two winding grooves (13) are wound with lifting ropes (14), the outer walls of the lifting ropes (14) are provided with fixing blocks (17), two sides of the outer wall at the bottom of each fixing block (17) are rotatably connected with lifting hooks (18), and the outer wall of one side of each lifting hook (18) is provided with a barb (19).

5. Gantry crane drive trolley assembly according to claim 3, characterized in that a first motor (12) is fixed to one side of the top inner wall of the stationary box (10).

6. The driving trolley assembly of gantry crane according to claim 5, wherein the output shaft of the first motor (12) has a driving gear (11) fixed at one end, and a driven gear fixed on the outer wall of the rotating shaft, wherein the driven gear is engaged with the driving gear (11).

7. Gantry crane drive trolley assembly according to claim 6, wherein the first motor (12) and the second motor (20) are each connected by a wire to a switch, and the switches are connected by a wire to a power supply.

8. The driving trolley assembly of the gantry crane according to claim 5, wherein a first belt pulley (22) is further fixed to one end of the output shaft of the first motor (12), a belt (21) is rotatably connected to the outer wall of the first belt pulley (22), a second belt pulley is fixed to the outer wall of the rotating shaft, and a rotating connection is formed between the second belt pulley and the belt (21).