CN210176336U

CN210176336U - Device for lifting transformation of crane

Info

Publication number: CN210176336U
Application number: CN201920914462.2U
Authority: CN
Inventors: Zhenshan Sun; 孙振山
Original assignee: Tianjin Hna Electromechanical Equipment Technology Co Ltd
Current assignee: Tianjin Hna Electromechanical Equipment Technology Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-03-24
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a device for loop wheel machine goes up and down to reform transform, the on-line screen storage device comprises a base, the fixed case of last fixed surface of base is connected with, the upper surface of fixed case articulates there is the connecting plate, first recess has been seted up to a side of connecting plate, the inside fixedly connected with fixed plate of first recess, a side activity of fixed plate is inlayed and is had the davit. This a device for loop wheel machine goes up and down to reform transform, it rotates to drive the threaded rod through positive and negative motor, thereby it extrudees the second drum and up moves to drive the movable block, it rotates to drive the second bull stick through alternating current synchronous machine, second gear revolve with first gear engagement, and then drive the rack motion, make the davit move toward the inside depths of first recess, until the inner wall contact of limiting plate and first recess, thereby the wire rope on second drum surface moves down through the cylinder along with the rotation of second drum simultaneously, thereby the lifting hook contact ground of wire rope one end catches on the goods.

Description

Device for lifting transformation of crane

Technical Field

The utility model relates to a loop wheel machine technical field specifically is a device for loop wheel machine goes up and down to reform transform.

Background

The crane is commonly known as a crane and widely applied to a series of heavy-duty products such as ships, equipment, machinery, molds and the like, generally speaking, the crane is used for suspending loads through a steel wire rope and a lifting hook, is lifted by a lifting mechanism and is horizontally moved by an amplitude varying mechanism and a swing mechanism, the marine crane is a special crane for carrying out transportation operation in a marine environment and is mainly used for important tasks such as transportation and transfer of goods among ships and warships, marine supply, throwing and recovering of underwater operation equipment and the like, when the traditional marine crane is used, the gravity center of the crane is high, the ship can shake under the influence of the marine environment, the crane can shake along with the ship to influence operation safety, and the instability of the gravity center is further aggravated along with the swinging of the goods to cause danger rising.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an easy operation, safe and reliable's a device for loop wheel machine lift transformation.

The utility model provides a its technical problem realize through following technical scheme:

a device for lifting transformation of a crane comprises a base, wherein a fixed box is fixedly connected to the upper surface of the base, a connecting plate is hinged to the upper surface of the fixed box, a first groove is formed in one side surface of the connecting plate, a fixed plate is fixedly connected to the inside of the first groove, a suspension arm is movably embedded in one side surface of the fixed plate and is movably connected to the inside of the first groove, one end of the suspension arm penetrates through one side surface of the connecting plate, a rack is fixedly connected to the lower surface of the suspension arm, the rack is movably connected to the inside of the first groove, one end of the suspension arm is fixedly connected with a limiting plate, the limiting plate is movably connected to the inside of the first groove, a through groove is formed in one side surface of the limiting plate, a first bearing is fixedly connected to the inner wall of the through groove, a, the surface of the first rotating rod is fixedly sleeved with a roller, the surface of the roller is movably connected with a steel wire rope, the lower surface of the connecting plate is provided with a first through hole, the steel wire rope is movably connected inside the first through hole, the upper surface of the base is fixedly connected with a hydraulic cylinder, the upper surface of the hydraulic cylinder is movably embedded with a hydraulic rod, the top of the hydraulic rod is fixedly connected with the bottom of the connecting plate, one side surface of the hydraulic cylinder is fixedly connected with a second bearing, the inner surface of the second bearing is fixedly connected with a threaded rod, the surface of the threaded rod is in threaded connection with a movable block, the upper surface of the base is fixedly connected with a slide rail, the slide rail is positioned on the right side surface of the fixed box, the movable block is movably connected inside the slide rail, one end of the threaded rod penetrates through, the upper surface of the first flat plate is fixedly connected with a positive and negative motor, one end of the threaded rod, far away from the second bearing, penetrates through one side face of the fixed box and is fixedly connected with an output shaft of the positive and negative motor, one side face of the fixed box is fixedly connected with a second flat plate, the upper surface of the second flat plate is fixedly connected with an alternating current synchronous motor, the inner wall of the fixed box is fixedly connected with a third bearing, the inner surface of the third bearing is fixedly connected with a second rotating rod, one end of the second rotating rod, far away from the third bearing, penetrates through one side face of the fixed box and is fixedly connected with an output shaft of the alternating current synchronous motor, the surface of the second rotating rod is fixedly sleeved with a first cylinder, the surface of the first cylinder is fixedly sleeved with a first gear, the surface of the first gear is meshed with a second gear, the inner surface of the second gear is fixedly connected with a second cylinder, and the top of, the surface activity of second bull stick has cup jointed the fourth bearing, the surface activity of third bull stick has cup jointed the fifth bearing, the fixed surface of fourth bearing is connected with first connecting rod, the one end of first connecting rod is connected with the fixed surface of fifth bearing, the top of movable block articulates there is the second connecting rod, the one end that the movable block was kept away from to the second connecting rod is articulated with the one end of third bull stick, the second through-hole has been seted up to the lower surface of connecting plate, wire rope swing joint is in the inside of second through-hole, wire rope fixed connection is on the surface of second drum.

And one end of the steel wire rope is fixedly connected with a lifting hook.

Moreover, the quantity of fixed plate is two, and two fixed plate equal fixed connection are in the inside of first recess.

Moreover, the number of the first gears is two, and the two first gears are fixedly sleeved at two ends of the surface of the first cylinder.

Moreover, the first gear and the second gear are on the same horizontal line.

The utility model discloses an advantage and beneficial effect do:

1. the device for lifting and transformation of the crane of the utility model drives the hydraulic rod to move upwards through the hydraulic cylinder, thereby driving the connecting plate to move upwards, drives the threaded rod to rotate through the positive and negative motors, thereby driving the movable block on the surface of the threaded rod to move leftwards, thereby extruding the second cylinder to move upwards through the second connecting rod, thereby meshing the second gear on the surface of the second cylinder with the rack, drives the second rotating rod to rotate through the AC synchronous motor, thereby driving the first cylinder on the surface of the second rotating rod to rotate, thereby driving the first gear to rotate, and the second gear meshed with the first gear to rotate, thereby driving the rack to move, so that the suspension arm moves to the inner depth of the first groove until the limiting plate contacts with the inner wall of the first groove, simultaneously, the steel wire rope on the surface of the second cylinder moves downwards through the roller along with the rotation of the second cylinder, the hook at one end of the steel wire rope contacts with the ground, thereby hooking the goods, thereby the second drum drives the lifting hook upward movement toward opposite direction motion, and the davit moves to the left simultaneously to make the focus of goods reduce, solved the loop wheel machine along with the swing of goods, aggravated the shakiness of focus and leaded to the dangerous problem that rises.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a sectional view of the side of the position-limiting plate of the present invention;

fig. 3 is a sectional view of the first gear and the second gear of the present invention.

In the figure: 1-base, 2-fixed box, 3-connecting plate, 4-first groove, 5-fixed plate, 6-suspension arm, 7-rack, 8-limiting plate, 9-through groove, 10-first bearing, 11-first rotating rod, 12-roller, 13-steel wire rope, 14-first through hole, 15-hydraulic cylinder, 16-hydraulic rod, 17-second bearing, 18-threaded rod, 19-movable block, 20-sliding rail, 21-first flat plate, 22-positive and negative motor, 23-second flat plate, 24-alternating current synchronous motor, 25-third bearing, 26-second rotating rod, 27-first cylinder, 28-first gear, 29-second gear, 30-second cylinder, 31-third rotating rod, 32-fourth bearing, 33-fifth bearing, 34-first connecting rod, 35-second connecting rod, 36-second through hole and 37-hook.

Detailed Description

The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.

A device for lifting transformation of a crane comprises a base 1, wherein the upper surface of the base 1 is fixedly connected with a fixed box 2, the upper surface of the fixed box 2 is hinged with a connecting plate 3, a first groove 4 is formed in one side surface of the connecting plate 3, a fixed plate 5 is fixedly connected in the first groove 4, the number of the fixed plates 5 is two, the two fixed plates 5 are fixedly connected in the first groove 4, a suspension arm 6 is movably embedded in one side surface of each fixed plate 5, goods are lifted through movement of the suspension arm 6, the suspension arm 6 is movably connected in the first groove 4, one end of the suspension arm 6 penetrates through one side surface of the connecting plate 3, the lower surface of the suspension arm 6 is fixedly connected with a rack 7, the rack 7 is movably connected in the first groove 4, one end of the suspension arm 6 is fixedly connected with a limiting plate 8, and the limiting plate 8 is used for limiting the, the limiting plate 8 is movably connected inside the first groove 4, a through groove 9 is formed in one side face of the limiting plate 8, a first bearing 10 is fixedly connected to the inner wall of the through groove 9, a first rotating rod 11 is fixedly connected to the inner surface of the first bearing 10, a roller 12 is fixedly connected to the surface of the first rotating rod 11, a steel wire rope 13 is movably connected to the surface of the roller 12, a lifting hook 37 is fixedly connected to one end of the steel wire rope 13, the lifting hook 37 is connected with a crane hoisting mechanism and a hung object, a first through hole 14 is formed in the lower surface of the connecting plate 3, the steel wire rope 13 is movably connected inside the first through hole 14, a hydraulic cylinder 15 is fixedly connected to the upper surface of the base 1, the hydraulic cylinder 15 is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion or swinging motion, a hydraulic rod 16 is movably embedded in the, thereby driving the connecting plate 3 to move upwards, the top of the hydraulic rod 16 is fixedly connected with the bottom of the connecting plate 3, one side surface of the hydraulic cylinder 15 is fixedly connected with a second bearing 17, the inner surface of the second bearing 17 is fixedly connected with a threaded rod 18, the surface of the threaded rod 18 is in threaded connection with a movable block 19, the upper surface of the base 1 is fixedly connected with a slide rail 20, the slide rail 20 is arranged so that the movable block 19 can only move in the slide rail 20, the slide rail 20 is positioned on the right side surface of the fixed box 2, the movable block 19 is movably connected inside the slide rail 20, one end of the threaded rod 18 penetrates through one side surface of the slide rail 20, one side surface of the fixed box 2 is fixedly connected with a first flat plate 21, the upper surface of the first flat plate 21 is fixedly connected with a positive and negative motor 22, the positive and negative motor 22 is in an external power supply, thereby extruding the second cylinder 30 to move upwards through the second connecting rod 35, thereby engaging the second gear 29 on the surface of the second cylinder 30 with the rack 7, wherein one end of the threaded rod 18, which is far away from the second bearing 17, penetrates through one side surface of the fixed box 2 and is fixedly connected with an output shaft of the forward and reverse motor 22, one side surface of the fixed box 2 is fixedly connected with the second flat plate 23, the upper surface of the second flat plate 23 is fixedly connected with the alternating current synchronous motor 24, the alternating current synchronous motor 24 is a motor of which the rotating speed is determined by the frequency of the applied alternating current, the alternating current synchronous motor 24 drives the second rotating rod 26 to rotate, thereby driving the first cylinder 27 on the surface of the second rotating rod 26 to rotate, thereby driving the first gear 28 to rotate, the second gear 29 engaged with the first gear 28 to rotate, further driving the rack 7 to move, so that the suspension arm 6 moves towards the inner depth of the first groove 4 until the limiting plate 8 is contacted with the, meanwhile, the wire rope 13 on the surface of the second cylinder 30 moves downwards through the roller 12 along with the rotation of the second cylinder 30, the hook 37 at one end of the wire rope 13 contacts the ground to hook the goods, the inner wall of the fixed box 2 is fixedly connected with the third bearing 25, the inner surface of the third bearing 25 is fixedly connected with the second rotating rod 26, one end of the second rotating rod 26 far away from the third bearing 25 penetrates through one side surface of the fixed box 2 and is fixedly connected with the output shaft of the alternating current synchronous motor 24, the surface of the second rotating rod 26 is fixedly sleeved with the first cylinder 27, the surface of the first cylinder 27 is fixedly sleeved with the first gears 28, the number of the first gears 28 is two, the two first gears 28 are fixedly sleeved at two ends of the surface of the first cylinder 27, the first gear 28 and the second gear 29 are positioned on the same horizontal line, the surface of the first gear 28 is engaged with the second gear 29, the inner surface of the second gear 29 is fixedly connected with the second cylinder 30, the second cylinder 30 moves in the opposite direction to move the hook upwards, and simultaneously the boom 6 moves to the left, thereby make the focus of goods reduce, the swing of loop wheel machine along with the goods has been solved, the problem that the focus is unstable and lead to dangerous the rising has been aggravated, the top activity of second drum 30 is inlayed and is had third bull stick 31, the surface activity of second bull stick 26 has cup jointed fourth bearing 32, the surface activity of third bull stick 31 has cup jointed fifth bearing 33, the fixed surface of fourth bearing 32 is connected with first connecting rod 34, the one end of first connecting rod 34 is connected with the fixed surface of fifth bearing 33, the top of movable block 19 articulates there is second connecting rod 35, the one end of movable block 19 is kept away from to second connecting rod 35 and is articulated with the one end of third bull stick 31, second through-hole 36 has been seted up to the lower surface of connecting plate 3, wire rope 13 swing joint is in the inside of second through-hole 36, wire rope 13 fixed connection is on the surface of second drum 30.

The working principle is as follows: when the device for hoisting transformation is used, the hydraulic cylinder 15 drives the hydraulic rod 16 to move upwards, so as to drive the connecting plate 3 to move upwards, the positive and negative motor 22 drives the threaded rod 18 to rotate, so as to drive the movable block 19 on the surface of the threaded rod 18 to move leftwards, so as to extrude the second cylinder 30 to move upwards through the second connecting rod 35, so as to mesh the second gear 29 on the surface of the second cylinder 30 with the rack 7, the alternating current synchronous motor 24 drives the second rotating rod 26 to rotate, so as to drive the first cylinder 27 on the surface of the second rotating rod 26 to rotate, so as to drive the first gear 28 to rotate, the second gear 29 meshed with the first gear 28 rotates, so as to drive the rack 7 to move, so as to enable the suspension arm 6 to move towards the inner depth of the first groove 4 until the limiting plate 8 is contacted with the inner wall of the first groove 4, and simultaneously, the steel wire rope 13 on the surface of the second cylinder 30 moves downwards through the roller 12 along with the rotation of the, the hook 37 at one end of the wire rope 13 contacts the ground to hook the cargo, the second cylinder 30 moves in the opposite direction to drive the hook to move upward, and the boom 6 moves leftward at the same time, so that the center of gravity of the cargo is lowered.

Although the present invention discloses the embodiments and the accompanying drawings, those skilled in the art can understand that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The utility model provides a device for loop wheel machine lift transformation, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with a fixed box (2), the upper surface of the fixed box (2) is hinged with a connecting plate (3), a side surface of the connecting plate (3) is provided with a first groove (4), a fixed plate (5) is fixedly connected with the inside of the first groove (4), a side surface of the fixed plate (5) is movably embedded with a suspension arm (6), the suspension arm (6) is movably connected with the inside of the first groove (4), one end of the suspension arm (6) penetrates through one side surface of the connecting plate (3), a rack (7) is fixedly connected with the lower surface of the suspension arm (6), the rack (7) is movably connected with the inside of the first groove (4), one end of the suspension arm (6) is fixedly connected with a limiting plate (8), the limiting plate (8) is movably connected with the inside of the first groove (4), a side surface of the limiting plate (8) is provided with, the inner wall fixedly connected with first bearing (10) that leads to groove (9), the internal surface fixedly connected with first bull stick (11) of first bearing (10), the fixed surface of first bull stick (11) has cup jointed cylinder (12), the surface swing joint of cylinder (12) has wire rope (13), first through-hole (14) have been seted up to the lower surface of connecting plate (3), wire rope (13) swing joint is in the inside of first through-hole (14), the upper surface fixedly connected with pneumatic cylinder (15) of base (1), the upper surface activity of pneumatic cylinder (15) is inlayed and is had hydraulic stem (16), the top of hydraulic stem (16) and the bottom fixed connection of connecting plate (3), a side fixedly connected with second bearing (17) of pneumatic cylinder (15), the internal surface fixedly connected with threaded rod (18) of second bearing (17), the surface of the threaded rod (18) is in threaded connection with a movable block (19), the upper surface of the base (1) is fixedly connected with a sliding rail (20), the sliding rail (20) is located on the right side face of the fixed box (2), the movable block (19) is movably connected inside the sliding rail (20), one end of the threaded rod (18) penetrates through one side face of the sliding rail (20), one side face of the fixed box (2) is fixedly connected with a first flat plate (21), the upper surface of the first flat plate (21) is fixedly connected with a positive and negative motor (22), one end, far away from a second bearing (17), of the threaded rod (18 penetrates through one side face of the fixed box (2) and is fixedly connected with an output shaft of the positive and negative motor (22), one side face of the fixed box (2) is fixedly connected with a second flat plate (23), the upper surface of the second flat plate (23) is fixedly connected with an, the inner wall of the fixed box (2) is fixedly connected with a third bearing (25), the inner surface of the third bearing (25) is fixedly connected with a second rotating rod (26), one end, far away from the third bearing (25), of the second rotating rod (26) penetrates through one side face of the fixed box (2) and is fixedly connected with an output shaft of an alternating current synchronous motor (24), the surface of the second rotating rod (26) is fixedly sleeved with a first cylinder (27), the surface of the first cylinder (27) is fixedly sleeved with a first gear (28), the surface of the first gear (28) is meshed with a second gear (29), the inner surface of the second gear (29) is fixedly connected with a second cylinder (30), the top of the second cylinder (30) is movably embedded with a third rotating rod (31), the surface of the second rotating rod (26) is movably sleeved with a fourth bearing (32), and the surface of the third rotating rod (31) is movably sleeved with a fifth bearing (33), the fixed surface of fourth bearing (32) is connected with first connecting rod (34), the fixed surface of the one end of first connecting rod (34) and fifth bearing (33) is connected, the top of movable block (19) articulates there is second connecting rod (35), the one end of movable block (19) and the one end with third bull stick (31) are kept away from in second connecting rod (35) are articulated, second through-hole (36) have been seted up to the lower surface of connecting plate (3), wire rope (13) swing joint is in the inside of second through-hole (36), wire rope (13) fixed connection is on the surface of second drum (30).

2. A device for hoist transformation as claimed in claim 1, wherein: one end of the steel wire rope (13) is fixedly connected with a lifting hook (37).

3. A device for hoist transformation as claimed in claim 1, wherein: the quantity of fixed plate (5) is two, and two equal fixed connection of fixed plate (5) are in the inside of first recess (4).

4. A device for hoist transformation as claimed in claim 1, wherein: the number of the first gears (28) is two, and the two first gears (28) are fixedly sleeved at two ends of the surface of the first cylinder (27).

5. A device for hoist transformation as claimed in claim 1, wherein: the first gear (28) and the second gear (29) are on the same horizontal line.