CN113060650A

CN113060650A - Silent single-beam European crane

Info

Publication number: CN113060650A
Application number: CN202110291341.9A
Authority: CN
Inventors: 梁大伟
Original assignee: Anhui Chunhua Intelligent Technology Co Ltd
Current assignee: Anhui Chunhua Intelligent Technology Co Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-07-02

Abstract

The invention discloses a silent single-beam European crane which comprises a cross beam, wherein the bottom of the cross beam is movably provided with an installation frame, the installation frame is movably provided with a telescopic outer rod, the inner side of the telescopic outer rod is movably provided with a telescopic inner rod, two auxiliary connecting arms are arranged below a main connecting arm, and the bottoms of the auxiliary connecting arms are fixedly provided with two electromagnetic chucks; through setting up electro-magnet one and coil winding one and electro-magnet two and coil winding, make and remove the frame and keep stable in going, avoid pulley one, pulley two bumps with the track, avoid producing the noise, form the cladding to removing frame and track through the crossbeam, effectively keep apart sound, and absorb sound through the inside sponge board of crossbeam, the silence performance of this hoist has been improved greatly, flexible outer pole and flexible interior pole stability height in the handling, can not have the possibility of collision, prevent to produce the sound, the transport demand of different positions article can be satisfied to this hoist, and wide applicability.

Description

Silent single-beam European crane

Technical Field

The invention relates to a crane, in particular to a silent single-beam European crane.

Background

The single-beam crane is a common hoisting machine and comprises a beam frame, a cart, a trolley, an electric hoist, a control mechanism and the like: the beam frame consists of end beams on two sides and a main beam connected with the end beams, the end beams are driven by a cart to run on an end beam track, and the electric block runs on the main beam track along with a trolley, so that a workpiece at a corresponding position is lifted by a lifting hook; traditional monospar european style hoist during operation is because the pressure-bearing is great, and easy emergence collision and dislocation between pulley and track produce the noise easily, and the silence ability is poor, and traditional monospar european style hoist adopts the rope to lift by crane, takes place to collide with easily to produce the sound, the security is poor, and traditional monospar european style hoist only has a lifting hook moreover, can't lift by crane a plurality of article, and the suitability is poor.

Disclosure of Invention

The invention aims to provide a silent single-beam European crane, wherein a traveling wheel is driven to rotate by a traveling motor and a cross beam is driven to move, a moving motor is started, the moving motor drives a driving wheel I to rotate and is matched with two driving wheels II to use, so that a moving frame moves at the bottom of the cross beam, meanwhile, a coil winding I, an electromagnet I, a coil winding II and an electromagnet II are all electrified, the moving frame drives a mounting frame to move and drives an electromagnetic chuck to move above an object, the electromagnet I is arranged on mounting plates at two sides of the moving frame, the coil winding I is respectively arranged on the inner walls at two sides of the cross beam, the moving frame is kept stable in the traveling process due to mutual repulsion between the electromagnet I and the coil winding I, the collision between a pulley I and a rail is avoided, the electromagnet II is arranged at the bottom of the mounting plate, the coil winding II is arranged on, due to mutual repulsion between the second electromagnet and the second coil winding, upward thrust is provided for the moving frame, the pressure of the moving frame during the operation of the weight reduction machine is reduced, the second pulley and the third pulley are effectively prevented from colliding with the rail, noise is avoided, meanwhile, the moving frame and the rail are coated through the cross beam, sound is effectively isolated, and the sound is absorbed through the sponge plate inside the cross beam, so that the mute performance of the crane is greatly improved; according to the invention, the first lifting motor is started, the first lifting motor drives the first winding wheel to rotate and drives the first lifting belt to unwind, the first lifting belt drives the outer telescopic rod to descend through the connecting plate, the second lifting motor is started, the second lifting motor drives the second winding wheel to rotate and drives the second lifting belt to unwind, the second lifting belt drives the inner telescopic rod to descend, so that the inner telescopic rod extends to the outer side of the outer telescopic rod, the main connecting arm and the auxiliary connecting arm are driven to descend, the electromagnetic chuck is driven to descend to be tightly attached to an article, and the article is sucked through the electromagnetic chuck; according to the invention, the angle adjusting motor is started, the rotating shaft is driven to rotate under the matching use of the first gear, the third gear and the second gear, the rotating shaft drives the main connecting arm to rotate, and each electromagnetic chuck is driven to rotate around the axis of the rotating shaft, so that the angle of each electromagnetic chuck is adjusted, the angles of the auxiliary connecting arm and each electromagnetic chuck are convenient to adjust, the carrying requirements of articles at different positions can be met, and the applicability is wide;

the following problems are solved: when the traditional single-beam European crane works, because the bearing pressure is large, the pulley and the track are easy to collide and dislocate, noise is easy to generate, and the silencing capability is poor; the traditional single-beam European crane is hoisted by adopting a rope, and is easy to collide, so that sound is generated, and the safety is poor; the traditional single-beam European crane only has one lifting hook, cannot lift a plurality of objects, and is poor in applicability.

The purpose of the invention can be realized by the following technical scheme:

a silent single-beam European crane comprises a cross beam, wherein an installation frame is movably installed at the bottom of the cross beam, a telescopic outer rod is movably installed on the installation frame, the telescopic outer rod is vertically arranged, a telescopic inner rod is movably installed on the inner side of the telescopic outer rod, the bottom end of the telescopic inner rod extends to the outer side of the telescopic outer rod, a rotating shaft is rotatably installed at the bottom end of the telescopic inner rod, a main connecting arm is fixedly connected to the bottom end of the rotating shaft, two auxiliary connecting arms are arranged below the main connecting arm, two ends of the main connecting arm are respectively hinged to the middle parts of the upper surfaces of the two auxiliary connecting arms, and two electromagnetic chucks are fixedly installed at the bottom of the auxiliary connecting arms;

the bottom of the cross beam is provided with an opening, the top of the installation frame penetrates through the opening and extends to the inner side of the cross beam, the top of the installation frame is fixedly connected with a moving frame, a fixed seat is fixedly mounted on the moving frame, a moving motor is fixedly mounted on the fixed seat, a first driving wheel and two second driving wheels are rotatably mounted on the fixed seat, the first driving wheel and the two second driving wheels are connected through a belt, an output shaft of the moving motor is fixedly connected with the first driving wheel, and two ends of the belt are respectively fixedly connected with two ends of the inner side of the cross beam;

the inner side of the cross beam is fixedly provided with two rails, the moving frame is slidably arranged on the rails and comprises a first cross rod and a second cross rod, the first cross rod and the second cross rod are arranged in parallel, the first cross rod is perpendicular to the second cross rod, the second cross rod is positioned below the first cross rod, the first cross rods are both fixedly provided with mounting plates through bolts, and two ends of the second cross rod are respectively fixedly connected with the corresponding mounting plates on the first cross rods;

the equal fixed mounting of both sides inner wall of crossbeam has coil winding one, one side fixed mounting of mounting panel has electro-magnet one, the bottom fixed mounting of mounting panel has electro-magnet two, the downside inner wall fixed mounting of crossbeam has two coil winding two, and two coil winding two are located the opening both sides respectively, the inboard fixed mounting of crossbeam has the sponge board.

Further, two first pulleys are installed on one opposite side of the first cross rod in a rotating mode, two third pulleys are installed on the inner side of the first cross rod in a rotating mode, the bottoms of the three pulleys run through the bottom of the first cross rod and extend to the outer side of the first cross rod, a second pulley is installed on the mounting plate in a rotating mode, the cross section of the rail is L-shaped, the first pulleys are in sliding fit with one side of the vertical section of the rail, and the third pulleys and the second pulleys are in sliding fit with the upper surface and the lower surface of the horizontal section of the rail respectively.

Further, one side bottom fixed mounting of flexible interior pole has the motor board, the last fixed surface of motor board installs angle modulation motor, rotate on the motor board and install gear one and gear three, angle modulation motor's output shaft tip and gear fixed connection, gear one and gear three-phase meshing, fixed mounting has gear two in the pivot, gear two and gear three-phase meshing.

Further, fixed mounting has elevator motor one on the installation frame, fixed mounting has around winding wheel one on elevator motor one's the output shaft, it has lift belt one to wind the winding on winding wheel one, one side bottom fixed mounting of flexible outer pole has the connecting plate, lift belt one's one end and connecting plate fixed connection, rotate on the installation frame and install the leading wheel, the leading wheel with around taking to be connected through lift belt between the wheel one.

Further, the top of flexible outer pole is rotated and is installed around reel two, fixed mounting has elevator motor two on the flexible outer pole, elevator motor two's output shaft and around reel two fixed connection, it has lift belt two to twine on the reel two, the one end of lift belt two and the top fixed connection of flexible interior pole, the outer wall of flexible interior pole and the inner wall sliding connection of flexible outer pole.

Further, fixed mounting has two sliding sleeves on the installation frame, and two sliding sleeves are upper and lower distribution, flexible outer pole and sliding sleeve sliding connection.

Further, the both ends of crossbeam all fixed mounting have the removal horizontal pole, it installs two walking wheels to rotate on the horizontal pole to remove, fixed mounting has the walking motor on the horizontal pole that removes, the output shaft and one of them walking wheel fixed connection of walking motor.

Further, the working method of the crane specifically comprises the following steps:

step one, starting a walking motor, driving a walking wheel to rotate by the walking motor and driving a cross beam to move, starting a moving motor, driving a first driving wheel to rotate by the moving motor, and matching with two second driving wheels to use, so that a moving frame moves at the bottom of the cross beam, meanwhile, a first coil winding, an electromagnet, a second coil winding and a second electromagnet are all electrified, and the moving frame drives an installation frame to move and drives an electromagnetic chuck to move above an object;

step two, starting an angle adjusting motor, driving a gear I to rotate by the angle adjusting motor, driving a gear III to rotate by the gear, driving a gear II meshed with the gear III to rotate by the gear III, driving a rotating shaft to rotate by the gear II, driving a main connecting arm to rotate by the rotating shaft, and drives each electromagnetic chuck to rotate around the axis of the rotating shaft, adjusts the angle of the electromagnetic chuck, starts the first lifting motor, drives the first winding wheel to rotate, and drives the first lifting belt to unwind, the first lifting belt drives the telescopic outer rod to descend through the connecting plate, the second lifting motor is started, the second lifting motor drives the second winding wheel to rotate, and drives the second lifting belt to unwind, the second lifting belt drives the telescopic inner rod to descend, so that the telescopic inner rod extends to the outer side of the telescopic outer rod, simultaneously, the main connecting arm and the auxiliary connecting arm are driven to descend, the electromagnetic chuck is driven to descend to be tightly attached to the article, and the article is sucked by the electromagnetic chuck;

and step three, driving a winding wheel II to rotate through a lifting motor II, driving a lifting belt II to wind through the winding wheel II, driving a telescopic inner rod to ascend through the lifting belt II, enabling the telescopic inner rod to be accommodated in a telescopic outer rod, driving a winding wheel I to rotate through a lifting motor, driving a lifting belt I to wind, pulling a connecting plate upwards through the lifting belt I, driving the telescopic outer rod to ascend, driving the articles to ascend, and driving the articles to move to the designated position through a moving motor and a walking motor.

The invention has the beneficial effects that:

the invention drives the travelling wheels to rotate through the travelling motor and drives the cross beam to move, the travelling motor is started, the travelling motor drives the first driving wheel to rotate and is matched with the second driving wheels to use, so that the travelling frame moves at the bottom of the cross beam, meanwhile, the first coil winding, the first electromagnet, the second coil winding and the second electromagnet are electrified, the travelling frame drives the mounting frame to move and drives the electromagnetic chuck to move above an object, the first electromagnet is arranged on the mounting plates at the two sides of the travelling frame, the first coil winding is respectively arranged on the inner walls at the two sides of the cross beam, the travelling frame is kept stable in the travelling process due to mutual repulsion between the first electromagnet and the first coil winding, the first pulley is prevented from colliding with a rail, the second electromagnet is arranged at the bottom of the mounting plate, the second coil winding is arranged on the inner wall at the lower side of the, the lifting device has the advantages that upward thrust is provided for the moving frame, the pressure of the moving frame during the operation of the weight reducing machine is reduced, the second pulley and the third pulley are effectively prevented from colliding with the rail, noise is avoided, meanwhile, the moving frame and the rail are coated through the cross beam, sound is effectively isolated, sound is absorbed through the sponge plate in the cross beam, and the mute performance of the crane is greatly improved;

according to the invention, the first lifting motor is started, the first lifting motor drives the first winding wheel to rotate and drives the first lifting belt to unwind, the first lifting belt drives the outer telescopic rod to descend through the connecting plate, the second lifting motor is started, the second lifting motor drives the second winding wheel to rotate and drives the second lifting belt to unwind, the second lifting belt drives the inner telescopic rod to descend, so that the inner telescopic rod extends to the outer side of the outer telescopic rod, the main connecting arm and the auxiliary connecting arm are driven to descend, the electromagnetic chuck is driven to descend to be tightly attached to an article, and the article is sucked through the electromagnetic chuck;

according to the invention, the angle adjusting motor is started, the rotating shaft is driven to rotate under the matching use of the first gear, the third gear and the second gear, the rotating shaft drives the main connecting arm to rotate, and each electromagnetic chuck is driven to rotate around the axis of the rotating shaft, so that the angle of each electromagnetic chuck is adjusted.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a silent single-beam European crane according to the present invention;

FIG. 2 is a cross-sectional view of a silent single-beam European crane according to the present invention;

FIG. 3 is a perspective view of a part of the structure of a silent single-beam European crane according to the present invention;

FIG. 4 is a side view of a part of the structure of a silent single-beam European crane according to the present invention;

FIG. 5 is an enlarged view of A in FIG. 4;

FIG. 6 is an assembled view of the movable frame and the fixed frame of the present invention;

fig. 7 is an assembly view of the telescopic outer pole and its bottom structure of the present invention.

In the figure: 1. a cross beam; 2. moving the cross bar; 3. a traveling wheel; 4. a traveling motor; 5. a mounting frame; 6. a telescopic outer rod; 7. a primary connecting arm; 8. a secondary connecting arm; 9. an electromagnetic chuck; 10. a track; 11. a movable frame; 12. a rotating shaft; 13. an angle adjustment motor; 14. a fixed seat; 15. a moving motor; 16. a belt; 17. a second driving wheel; 18. mounting a plate; 19. a first pulley; 20. a second pulley; 21. a first coil winding; 22. an electromagnet I; 23. a second coil winding; 24. an electromagnet II; 25. a first gear; 26. a second gear; 27. a third gear; 28. a motor plate; 29. a first transmission wheel; 30. a telescopic inner rod; 31. a first lifting motor; 32. a first winding wheel; 33. a connecting plate; 34. a guide wheel; 35. lifting the belt I; 36. a third pulley; 37. a first cross bar; 38. a second cross bar; 39. a sliding sleeve; 40. a second winding wheel; 41. a second lifting belt; 42. a sponge plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, a silent single-beam european crane includes a cross beam 1, an installation frame 5 is movably installed at the bottom of the cross beam 1, an outer telescopic rod 6 is movably installed on the installation frame 5, the outer telescopic rod 6 is vertically arranged, an inner telescopic rod 30 is movably installed at the inner side of the outer telescopic rod 6, the bottom end of the inner telescopic rod 30 extends to the outer side of the outer telescopic rod 6, a rotating shaft 12 is rotatably installed at the bottom end of the inner telescopic rod 30, a main connecting arm 7 is fixedly connected to the bottom end of the rotating shaft 12, two auxiliary connecting arms 8 are arranged below the main connecting arm 7, two ends of the main connecting arm 7 are respectively hinged to the middle parts of the upper surfaces of the two auxiliary connecting arms 8, and two electromagnetic chucks 9 are fixedly installed at the bottom of the auxiliary connecting arms 8;

the bottom of the cross beam 1 is provided with an opening, the top of the mounting frame 5 penetrates through the opening and extends to the inner side of the cross beam 1, the top of the mounting frame 5 is fixedly connected with a moving frame 11, a fixed seat 14 is fixedly installed on the moving frame 11, a moving motor 15 is fixedly installed on the fixed seat 14, a first driving wheel 29 and two second driving wheels 17 are rotatably installed on the fixed seat 14, the first driving wheel 29 and the two second driving wheels 17 are connected through a belt 16, an output shaft of the moving motor 15 is fixedly connected with the first driving wheel 29, and two ends of the belt 16 are respectively fixedly connected with two ends of the inner side of the cross beam 1;

the inner side of the cross beam 1 is fixedly provided with two rails 10, the moving frame 11 is slidably mounted on the rails 10, the moving frame 11 comprises two first cross rods 37 arranged in parallel and two second cross rods 38 arranged in parallel, the first cross rods 37 are perpendicular to the second cross rods 38, the second cross rods 38 are positioned below the first cross rods 37, the two first cross rods 37 are both fixedly provided with mounting plates 18 through bolts, and two ends of the second cross rods 38 are respectively fixedly connected with the corresponding mounting plates 18 on the two first cross rods 37;

equal fixed mounting in both sides inner wall of crossbeam 1 has coil winding one 21, one side fixed mounting of mounting panel 18 has electro-magnet one 22, the bottom fixed mounting of mounting panel 18 has two 24 of electro-magnet, the downside inner wall fixed mounting of crossbeam 1 has two coil winding two 23, and two coil winding two 23 are located the opening both sides respectively, the inboard fixed mounting of crossbeam 1 has sponge board 42.

Two first pulleys 19 are all installed in the relative one side of two first horizontal poles 37 rotation, the inboard of one 37 of horizontal poles is rotated and is installed three 36 of two pulleys, three 36 bottoms of pulley run through the outside that one 37 bottoms of horizontal pole and extend to one 37 of horizontal pole, it installs two 20 of pulleys to rotate on the mounting panel 18, track 10's cross section is L shape, one side sliding fit of one 19 of pulley and the vertical section of track 10, three 36 of pulleys and two 20 respectively with the upper and lower surface sliding fit of the track 10 horizontal segment.

One side bottom fixed mounting of pole 30 has motor board 28 in the extension, the last fixed surface of motor board 28 installs angle modulation motor 13, rotate on the motor board 28 and install gear 25 and gear three 27, angle modulation motor 13's output shaft tip and gear 25 fixed connection, gear 25 and gear three 27 mesh mutually, fixed mounting has gear two 26 in the pivot 12, gear two 26 and gear three 27 mesh mutually.

Fixed mounting has a lift motor 31 on the installation frame 5, fixed mounting has around a winding wheel 32 on the output shaft of a lift motor 31, it has a lift to take one 35 to wind the winding on a winding wheel 32, one side bottom fixed mounting of flexible outer pole 6 has connecting plate 33, the one end and the connecting plate 33 fixed connection of a lift area 35, rotate on the installation frame 5 and install leading wheel 34, leading wheel 34 with around taking one 35 to be connected through the lift between the winding wheel 32.

The top of flexible outer pole 6 is rotated and is installed around reel two 40, fixed mounting has elevator motor two on the flexible outer pole 6, elevator motor two's output shaft and around reel two 40 fixed connection, the winding has two 41 in the lift area on the reel two 40, the one end of two 41 in lift area and the top fixed connection of flexible interior pole 30, the outer wall of flexible interior pole 30 and the inner wall sliding connection of flexible outer pole 6.

Fixed mounting has two sliding sleeves 39 on the installation frame 5, and two sliding sleeves 39 are upper and lower distribution, flexible outer pole 6 and sliding sleeve 39 sliding connection.

The equal fixed mounting in both ends of crossbeam 1 has removal horizontal pole 2, it installs two walking wheels 3 to move to rotate on the horizontal pole 2, it has walking motor 4 to move fixed mounting on the horizontal pole 2, walking motor 4's output shaft and 3 fixed connection of one of them walking wheel.

The working method of the crane specifically comprises the following steps:

step one, a walking motor 4 is started, the walking motor 4 drives a walking wheel 3 to rotate and drives a cross beam 1 to move, a moving motor 15 is started, the moving motor 15 drives a first driving wheel 29 to rotate and is matched with two second driving wheels 17 for use, so that a moving frame 11 moves at the bottom of the cross beam 1, meanwhile, a first coil winding 21, a first electromagnet 22, a second coil winding 23 and a second electromagnet 24 are all electrified, the moving frame 11 drives an installation frame 5 to move and drives an electromagnetic chuck 9 to move above an object;

step two, starting the angle adjusting motor 13, wherein the angle adjusting motor 13 drives the first gear 25 to rotate, the first gear 25 drives the third gear 27 to rotate, the third gear 27 drives the second gear 26 engaged with the third gear to rotate, the second gear 26 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the main connecting arm 7 to rotate and drives each electromagnetic chuck 9 to rotate around the axial lead of the rotating shaft 12, the angle of each electromagnetic chuck 9 is adjusted, the first lifting motor 31 is started, the first lifting motor 31 drives the first winding wheel 32 to rotate and drives the first lifting belt 35 to unwind, the first lifting belt 35 drives the outer telescopic rod 6 to descend through the connecting plate 33, the second lifting motor is started, the second lifting motor drives the second winding wheel 40 to rotate and drives the second lifting belt 41 to unwind, the second lifting belt 41 drives the inner telescopic rod 30 to descend, so that the inner telescopic rod 30 extends to the outer side of the outer telescopic rod 6, and simultaneously drives the main connecting arm 7, the electromagnetic chuck 9 is driven to descend to be tightly attached to the article, and the article is sucked by the electromagnetic chuck 9;

and step three, driving a second winding wheel 40 to rotate through a second lifting motor, driving a second lifting belt 41 to wind through the second winding wheel 40, driving a first telescopic inner rod 30 to ascend through the second lifting belt 41, enabling the telescopic inner rod 30 to be accommodated in the telescopic outer rod 6, driving a first winding wheel 32 to rotate through a first lifting motor 31, driving a first lifting belt 35 to wind, pulling a connecting plate 33 upwards through the first lifting belt 35, driving the telescopic outer rod 6 to ascend, driving the articles to ascend, and driving the articles to move to an appointed position through a moving motor 15 and a walking motor 4.

The invention drives the traveling wheels 3 to rotate through the traveling motors 4 and drives the cross beam 1 to move, the traveling motors 15 are started, the traveling motors 15 drive the first driving wheels 29 to rotate and are matched with the second two driving wheels 17 to use, so that the traveling frame 11 moves at the bottom of the cross beam 1, meanwhile, the first coil winding 21, the first electromagnet 22, the second coil winding 23 and the second electromagnet 24 are electrified, the traveling frame 11 drives the mounting frame 5 to move and drives the electromagnetic chuck 9 to move to the upper part of an object, the first electromagnet 22 is arranged on the mounting plates 18 at the two sides of the traveling frame 11, the first coil winding 21 is respectively arranged on the inner walls at the two sides of the cross beam 1, the traveling frame 11 is kept stable in the traveling process due to mutual repulsion between the first electromagnet 22 and the first coil winding 21, the first pulley 19 is prevented from colliding with the track 10, the second electromagnet 24 is arranged at the bottom of the mounting plates 18, the second, due to mutual repulsion between the second electromagnet 24 and the second coil winding 23, upward thrust is provided for the moving frame 11, the pressure of the moving frame 11 during the work of the weight reduction machine is reduced, the second pulley 20 and the third pulley 36 are effectively prevented from colliding with the rail 10, noise is avoided, meanwhile, the moving frame 11 and the rail 10 are coated through the cross beam 1, sound is effectively isolated, sound is absorbed through the sponge plate 42 in the cross beam 1, and the mute performance of the crane is greatly improved;

according to the invention, the first lifting motor 31 is started, the first lifting motor 31 drives the first winding wheel 32 to rotate and drives the first lifting belt 35 to unwind, the first lifting belt 35 drives the outer telescopic rod 6 to descend through the connecting plate 33, the second lifting motor is started, the second lifting motor drives the second winding wheel 40 to rotate and drives the second lifting belt 41 to unwind, the second lifting belt 41 drives the inner telescopic rod 30 to descend, so that the inner telescopic rod 30 extends to the outer side of the outer telescopic rod 6, the main connecting arm 7 and the auxiliary connecting arm 8 are simultaneously driven to descend, the electromagnetic chuck 9 is driven to descend to be tightly attached to an article, and the article is sucked through the electromagnetic chuck 9;

according to the invention, the angle adjusting motor 13 is started, the rotating shaft 12 is driven to rotate under the matching use of the first gear 25, the third gear 27 and the second gear 26, the main connecting arm 7 is driven to rotate by the rotating shaft 12, and each electromagnetic chuck 9 is driven to rotate around the axial lead of the rotating shaft 12, so that the angle of each electromagnetic chuck 9 is adjusted, the angles of the auxiliary connecting arm 8 and the electromagnetic chucks 9 are convenient to adjust, the carrying requirements of articles at different positions can be met, and the applicability is wide.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A silent single-beam European crane is characterized by comprising a beam (1), the bottom of the cross beam (1) is movably provided with an installation frame (5), the installation frame (5) is movably provided with a telescopic outer rod (6), the telescopic outer rod (6) is vertically arranged, a telescopic inner rod (30) is movably arranged at the inner side of the telescopic outer rod (6), the bottom end of the telescopic inner rod (30) extends to the outer side of the telescopic outer rod (6), a rotating shaft (12) is rotatably arranged at the bottom end of the telescopic inner rod (30), a main connecting arm (7) is fixedly connected at the bottom end of the rotating shaft (12), two auxiliary connecting arms (8) are arranged below the main connecting arm (7), and the two ends of the main connecting arm (7) are respectively hinged with the middle parts of the upper surfaces of the two auxiliary connecting arms (8), two electromagnetic chucks (9) are fixedly arranged at the bottom of the auxiliary connecting arm (8);

the bottom of the cross beam (1) is provided with an opening, the top of the installation frame (5) penetrates through the opening and extends to the inner side of the cross beam (1), the top of the installation frame (5) is fixedly connected with a moving frame (11), a fixed seat (14) is fixedly installed on the moving frame (11), a moving motor (15) is fixedly installed on the fixed seat (14), a first driving wheel (29) and two second driving wheels (17) are rotatably installed on the fixed seat (14), the first driving wheel (29) and the two second driving wheels (17) are connected through a belt (16), an output shaft of the moving motor (15) is fixedly connected with the first driving wheel (29), and two ends of the belt (16) are fixedly connected with two ends of the inner side of the cross beam (1) respectively;

the inner side of the cross beam (1) is fixedly provided with two rails (10), the moving frame (11) is slidably arranged on the rails (10), the moving frame (11) comprises a first cross rod (37) and a second cross rod (38), the first cross rod (37) is arranged in parallel, the second cross rod (38) is perpendicular to the first cross rod (37), the second cross rod (38) is positioned below the first cross rod (37), the first cross rods (37) are both fixedly provided with mounting plates (18) through bolts, and two ends of the second cross rod (38) are respectively fixedly connected with the corresponding mounting plates (18) on the first cross rods (37);

the equal fixed mounting in both sides inner wall of crossbeam (1) has coil winding one (21), one side fixed mounting of mounting panel (18) has electro-magnet one (22), the bottom fixed mounting of mounting panel (18) has electro-magnet two (24), the downside inner wall fixed mounting of crossbeam (1) has two coil winding two (23), and two coil winding two (23) are located the opening both sides respectively, the inboard fixed mounting of crossbeam (1) has sponge board (42).

2. The silent single-beam European crane according to claim 1, wherein two pulleys I (19) are rotatably mounted on opposite sides of two first cross bars (37), two pulleys III (36) are rotatably mounted on the inner sides of the first cross bars (37), the bottoms of the pulleys III (36) penetrate through the bottoms of the first cross bars (37) and extend to the outer sides of the first cross bars (37), pulleys II (20) are rotatably mounted on the mounting plate (18), the cross section of the rail (10) is L-shaped, the pulleys I (19) are in sliding fit with one side of the vertical section of the rail (10), and the pulleys III (36) and the pulleys II (20) are in sliding fit with the upper surface and the lower surface of the horizontal section of the rail (10) respectively.

3. The silent single-beam European crane according to claim 1, wherein a motor plate (28) is fixedly mounted at the bottom of one side of the telescopic inner rod (30), an angle adjusting motor (13) is fixedly mounted on the upper surface of the motor plate (28), a first gear (25) and a third gear (27) are rotatably mounted on the motor plate (28), the end of an output shaft of the angle adjusting motor (13) is fixedly connected with the first gear (25), the first gear (25) is meshed with the third gear (27), a second gear (26) is fixedly mounted on the rotating shaft (12), and the second gear (26) is meshed with the third gear (27).

4. The silent type single-beam European crane according to claim 1, wherein a first lifting motor (31) is fixedly mounted on the mounting frame (5), a first winding wheel (32) is fixedly mounted on an output shaft of the first lifting motor (31), a first lifting belt (35) is wound on the first winding wheel (32), a connecting plate (33) is fixedly mounted at the bottom of one side of the outer telescopic rod (6), one end of the first lifting belt (35) is fixedly connected with the connecting plate (33), a guide wheel (34) is rotatably mounted on the mounting frame (5), and the guide wheel (34) is connected with the first winding wheel (32) through the first lifting belt (35).

5. The silent single-beam European crane according to claim 1, wherein a second winding wheel (40) is rotatably mounted at the top of the outer telescopic rod (6), a second lifting motor is fixedly mounted on the outer telescopic rod (6), an output shaft of the second lifting motor is fixedly connected with the second winding wheel (40), a second lifting belt (41) is wound on the second winding wheel (40), one end of the second lifting belt (41) is fixedly connected with the top of the inner telescopic rod (30), and the outer wall of the inner telescopic rod (30) is slidably connected with the inner wall of the outer telescopic rod (6).

6. A silent single-beam european crane according to claim 1, wherein two sliding sleeves (39) are fixedly mounted on the mounting frame (5), the two sliding sleeves (39) are vertically distributed, and the telescopic outer rod (6) is slidably connected with the sliding sleeves (39).

7. The silent single-beam European crane according to claim 1, wherein a moving cross bar (2) is fixedly mounted at each of two ends of the cross beam (1), two traveling wheels (3) are rotatably mounted on the moving cross bar (2), a traveling motor (4) is fixedly mounted on the moving cross bar (2), and an output shaft of the traveling motor (4) is fixedly connected with one of the traveling wheels (3).

8. The silent single-beam European crane according to claim 1, wherein the working method of the crane comprises the following steps:

step one, a walking motor (4) is started, the walking motor (4) drives a walking wheel (3) to rotate and drives a cross beam (1) to move, a moving motor (15) is started, the moving motor (15) drives a first driving wheel (29) to rotate and is matched with two second driving wheels (17) for use, so that a moving frame (11) moves at the bottom of the cross beam (1), meanwhile, a first coil winding (21), a first electromagnet (22), a second coil winding (23) and a second electromagnet (24) are electrified, the moving frame (11) drives an installation frame (5) to move and drives an electromagnetic chuck (9) to move above an object;

step two, starting an angle adjusting motor (13), wherein the angle adjusting motor (13) drives a gear I (25) to rotate, the gear I (25) drives a gear III (27) to rotate, the gear III (27) drives a gear II (26) meshed with the gear III to rotate, the gear II (26) drives a rotating shaft (12) to rotate, the rotating shaft (12) drives a main connecting arm (7) to rotate and drives each electromagnetic chuck (9) to rotate around the axis of the rotating shaft (12), the angle of each electromagnetic chuck (9) is adjusted, a lifting motor I (31) is started, the lifting motor I (31) drives a winding wheel I (32) to rotate and drives a lifting belt I (35) to unwind, the lifting belt I (35) drives a telescopic outer rod (6) to descend through a connecting plate (33), the lifting motor II is started, the lifting motor II drives a winding wheel II (40) to rotate and drives a lifting belt II (41) to unwind, the lifting belt II (41) drives a telescopic inner rod (30) to descend, the telescopic inner rod (30) extends to the outer side of the telescopic outer rod (6), the main connecting arm (7) and the auxiliary connecting arm (8) are driven to descend, the electromagnetic chuck (9) is driven to descend to be attached to an article, and the article is sucked by the electromagnetic chuck (9);

and step three, the second winding wheel (40) is driven to rotate by the second lifting motor, the second winding wheel (40) drives the second lifting belt (41) to wind, the second lifting belt (41) drives the telescopic inner rod (30) to ascend, the telescopic inner rod (30) is accommodated in the telescopic outer rod (6), the first lifting motor (31) drives the first winding wheel (32) to rotate and drives the first lifting belt (35) to wind, the first lifting belt (35) upwards pulls the connecting plate (33) and drives the telescopic outer rod (6) to ascend and drives the articles to ascend, and the articles are driven to move to the designated position by the moving motor (15) and the walking motor (4).