Crane capable of conveniently clamping goods
Technical Field
The invention relates to the technical field of cranes, in particular to a crane capable of conveniently clamping cargoes.
Background
The bridge crane is hoisting equipment for hoisting materials in workshops, warehouses and stock yards, and two ends of the bridge crane are seated on a high cement column or a metal bracket, and the bridge crane is shaped like a bridge; the bridge frame of the bridge crane runs longitudinally along the tracks paved on the two side high frames, so that the space below the bridge frame can be fully utilized to hoist materials, the material is not blocked by ground equipment, and the bridge frame is a lifting machine with the widest application range and the largest number.
The Chinese patent grant publication No. CN106115495B is a telescopic arm bridge crane, which comprises a crane girder, wherein a traveling groove is formed in the lower part of the left side of the crane girder, a moving block is arranged in the traveling groove, a first telescopic arm is connected below the moving block through a fixed rod, a second telescopic arm is sleeved on the right side of the first telescopic arm, a third telescopic arm is sleeved on the right side of the second telescopic arm, a connecting rod perpendicular to the lower part of the first telescopic arm is connected with the lower part of the first telescopic arm, a lifting arm perpendicular to the connecting rod is connected with the lower part of the connecting rod, a groove is formed in the lower part of the left side of the lifting arm, and a lifting hook is connected in the groove; the invention has the advantages of high weight lifting efficiency, stable and reliable work, convenient use and low maintenance cost;
the patent publication No. CN102942119B discloses a bridge crane and a movable lifting device thereof, wherein the movable lifting device comprises a cantilever beam which is used for guiding and moving and assembling on a corresponding main beam along the extending direction of the main beam of the crane, one end of the cantilever beam is provided with a guiding and moving part which is movably assembled with the main beam of the corresponding crane, the other end of the cantilever beam is provided with a suspension part which is used for fixedly installing an electric hoist, and a suspension distance which can move to the lower part of a rail bearing beam of the bridge crane when the cantilever beam moves is arranged between the guiding and moving part and the suspension part of the cantilever beam. Because the cantilever beam is provided with the guide moving part and the suspension part, the suspension distance which can move to the lower part of the rail bearing beam of the bridge crane when the cantilever beam moves is reserved between the guide moving part and the suspension part, the suspension beam can move to the lower part of the rail bearing beam of the bridge crane, and then the electric hoist can hoist objects under the rail bearing beam, thereby solving the problem that the lifting mechanism on the existing bridge crane can not hoist objects under the rail bearing beam of the crane.
The prior art solutions described above have the following drawbacks: the crane is inconvenient to clamp and lift cargoes, thereby affecting the lifting efficiency, is inconvenient to shock-absorb the carrying mechanism in the lifting process, and can cause damage to the connecting part between the carrying mechanism and the steel rope due to impact load during lifting and braking.
Disclosure of Invention
The invention aims to provide a crane capable of conveniently clamping cargoes, so as to solve the problems that the cargo is inconvenient to clamp and lift and the cargo carrying mechanism is inconvenient to damp in the lifting process.
In order to achieve the above purpose, the present invention provides the following technical solutions: a crane for facilitating gripping of cargo, comprising:
the mounting rail is provided with a support frame for supporting at the upper side, a first mounting cross rod is arranged at the upper side of the support frame at the left side, a second mounting cross rod is arranged at the upper end of the support frame at the right side, a limiting block is arranged at the inner side of the first mounting cross rod, and a splicing wheel is arranged at the outer side of the limiting block at an equal angle;
the displacement wheel is arranged on the inner side of the second mounting cross rod, the left end of the displacement wheel is provided with a mounting plate for supporting, the upper side of the mounting plate is provided with an active winding wheel for winding a steel cable, and the lower end of the steel cable is provided with a loading mechanism;
the carrying mechanism comprises a carrying plate, a first mounting shell, a connecting rod, an upper limit mechanism, a left beam position plate, a right beam position plate, a lower support mechanism, a transmission mechanism and a damping mechanism: the bearing plate is provided with a first installation shell on the upper side, the inner side of the bearing plate is provided with a connecting rod, the outer side of the connecting rod is in threaded connection with a left binding plate, the right side of the left binding plate is provided with a right binding plate which is also installed on the outer side of the connecting rod on the other side, and the right side of the right binding plate is provided with a lower supporting mechanism; the transmission mechanism is arranged in the first installation shell, and a damping mechanism is arranged on the upper side of the first installation shell;
the damping mechanism comprises a second installation shell, an installation frame, a limiting rod, a bearing frame and a positioning seat: the inner side of the second installation shell is provided with a positioning seat, the inner side of the positioning seat is provided with a bearing frame, the inner side of the bearing frame is provided with a limiting rod fixed in the second installation shell, the upper side of the bearing frame is provided with a mounting frame, and the inner side of the upper end of the mounting frame is provided with a connecting winding wheel for winding a steel cable;
and the blocking plate is arranged on the inner side of the right beam position plate, and a positioning column fixed in the right beam position plate is arranged on the inner side of the blocking plate.
As the preferable technical scheme of the invention, the upper limit mechanism comprises a locating plate, a laminating soft cover, a mounting column, an inner mounting wheel, a mounting seat and a limit column;
the locating plate, its downside is installed and is used for spacing laminating soft cover to the goods, and the upper end of locating plate is fixed with the erection column, and the mount pad is installed to the inboard of erection column, and the right side of mount pad is provided with and is used for rotating spacing post to the erection column, and the upper end of mount pad is fixed with interior installation wheel.
By adopting the technical scheme, the upper side of the goods can be limited, so that the goods are integrally limited, and the falling of the goods due to displacement in the lifting process is avoided.
As the preferable technical scheme of the invention, the lower supporting mechanism comprises a main mounting block, a secondary mounting block, an adjusting wheel, a supporting rod and a bearing rod;
the main installation block is installed in a groove-shaped structure formed in the right beam position plate, the inner side of the main installation block is provided with a bearing rod, and the lower end of the bearing rod is provided with a secondary installation block;
and the adjusting wheel is arranged on the inner side of the secondary installation block, and a supporting rod for supporting the lower side of the goods is arranged on the inner side of the adjusting wheel.
By adopting the technical scheme, the lower end of the goods in the lifting process can be supported and limited, and the goods are prevented from falling off.
As the preferable technical scheme of the invention, the transmission mechanism comprises an outer transmission wheel, a transmission wheel set, an electric telescopic rod and a power rod;
the outer transmission wheel is arranged on the inner side of the first installation shell and is rotatably connected to the upper side of the bearing plate, a transmission wheel set is arranged on the inner side of the outer transmission wheel, and an electric telescopic rod is arranged at the upper end of the transmission wheel set;
and the power rod is arranged outside the connecting rod.
By adopting the technical scheme, the spacing between the left beam position plate and the right beam position plate and the attaching soft cover can be adjusted, and the loading device is suitable for loading cargoes with different heights.
As the preferable technical scheme of the invention, the right end of the mounting plate is rotationally connected with the displacement wheel, the left end of the mounting plate is fixedly connected with the limiting block, the mounting plate is in sliding connection with the first mounting cross rod and the second mounting cross rod, and the inner side of the mounting plate is provided with a groove-shaped structure for limiting the lower side of the active winding wheel.
By adopting the technical scheme, the position of the mounting plate is convenient to move, so that the position of the carrying mechanism is adjusted to lift cargoes, and stable movement can be provided for the mounting plate.
As the preferable technical scheme of the invention, the cross section of the transmission wheel set is in a shape of a Chinese character '+', the lower ends of the transmission wheel sets are respectively provided with a gear structure which is used for being meshed with the inner side of the outer transmission wheel and the outer side of the inner installation wheel, the outer side of the outer transmission wheel is connected with the connecting rod in a meshed mode, and 4 groups of connecting rods are arranged at equal angles relative to the center of the outer transmission wheel.
By adopting the technical scheme, the outer driving wheel and the inner mounting wheel can synchronously rotate, and the electric telescopic rod is controlled to lift the driving wheel group to cancel the synchronous rotation between the outer driving wheel and the inner mounting wheel, so that when the connecting rod is rotated by the power rod, the left beam position plate and the right beam position plate are controlled to lift, and the upper limiting mechanism is prevented from being driven to lift.
As a preferable technical scheme of the invention, the positioning seat is arranged at equal angles relative to the center of the second installation shell, the positioning seat is in fit sliding connection with the upper end of the bearing frame, the upper end of the bearing frame is provided with a hole-shaped structure, the outer side of the bearing frame is provided with a sealing ring structure arranged in the positioning seat, and the bearing frame is in elastic connection with the second installation shell.
By adopting the technical scheme, when the bearing frame moves up and down in the positioning seat, the bearing frame receives larger air resistance, and the damping mechanism can provide certain damping capacity through the elastic connection between the bearing frame and the second installation shell, so that the impact load when the connection part between the bearing mechanism and the steel cable is lifted and braked is reduced, and the possibility of damage is reduced.
As the preferable technical scheme of the invention, the left sides of the front end and the rear end of the bearing rod are engaged with the driving wheel structure which is arranged in the main installation block and used for providing power, and the cross section of the main installation block is T-shaped.
By adopting the technical scheme, the rotation of the bearing rod is convenient to adjust, so that the vertical angle of the secondary installation block is adjusted, the angle of the supporting rod is adjusted, the supporting rod can be vertically placed when idle, and the occupied space is reduced.
As the preferable technical scheme of the invention, the longitudinal section of the adjusting wheel is T-shaped, the tooth structure arranged at the outer side of the adjusting wheel and the driving rod structure for providing power arranged at the outer side of the secondary installation block form a worm gear structure, and the secondary installation block is arranged in a front-back symmetry manner relative to the center of the bearing rod.
By adopting the technical scheme, the adjusting wheel can be prevented from being separated from the secondary installation block, and meanwhile, the support balance of the lower end of the goods is increased.
As a preferable technical scheme of the invention, the supporting rod and the adjusting wheel form threaded connection, the supporting rod is provided with an internal thread structure, the supporting rod penetrates through hole-shaped structures arranged in the right binding plate and the left binding plate, and a groove-shaped structure arranged on the lower side of the supporting rod is in sliding connection with a protrusion structure arranged in the secondary installation block.
By adopting the technical scheme, the support rod can be controlled to slide in the secondary installation block, so that the support rod can penetrate through the hole-shaped structures formed in the right beam position plate and the left beam position plate, and the lower side of goods can be supported by the support rod with good limiting capacity.
Compared with the prior art, the invention has the beneficial effects that: the crane convenient for clamping the goods is convenient for clamping and lifting the goods, improves the lifting efficiency, can absorb shock of the carrying mechanism in the lifting process, reduces impact load when the connecting part between the carrying mechanism and the steel rope is lifted and braked, and reduces the possibility of damage;
1. through the worm and gear structure between the power rod and the connecting rod, the power rod can rotate the connecting rod, so that the left beam position plate and the right beam position plate which are in threaded connection with the connecting rod are controlled to lift, the left beam position plate and the right beam position plate are arranged outside cargoes, the bearing rod is controlled to rotate, the supporting rod is horizontally placed and then the regulating wheel is controlled to rotate, the supporting rod penetrates through the hole-shaped structures formed in the right beam position plate and the left beam position plate, the lower side of the cargoes is supported, the manual participation in the loading process is reduced, and the lifting efficiency is increased;
2. the positioning seat is in fit type sliding connection with the upper end of the bearing frame, a hole-shaped structure is formed in the upper end of the bearing frame, and a sealing ring structure installed in the positioning seat is arranged on the outer side of the bearing frame, so that the bearing frame receives larger air resistance when moving up and down in the positioning seat, and the damping mechanism can provide certain damping capacity through elastic connection between the bearing frame and the second installation shell, so that impact load when lifting and braking is received at the joint between the bearing mechanism and a steel rope is reduced, and the possibility of damage is reduced;
3. the electric telescopic rod arranged at the upper end of the transmission wheel set can control whether the transmission wheel set is lifted or not, so that transmission between the outer transmission wheel and the inner installation wheel is controlled, when the connecting rod is rotated through the power rod, the left beam position plate and the right beam position plate are controlled to lift, the upper limit mechanism is prevented from being driven to lift, the upper side of goods can be limited through the upper limit mechanism, the goods are integrally limited, and the goods are prevented from falling due to displacement in the lifting process.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of a cross-sectional elevation view of the carrying mechanism of the present invention;
FIG. 3 is a schematic diagram of a side view of the connection between the lower support mechanism and the right beam plate;
FIG. 4 is a schematic diagram of the front view of the connection between the upper limit mechanism and the carrier plate according to the present invention;
FIG. 5 is a schematic top view of the outer drive wheel and engagement bar connection of the present invention;
FIG. 6 is a schematic diagram of a top view of the connection between the lower support mechanism and the right toe plate of the present invention;
FIG. 7 is a schematic diagram showing the structure of the connection between the blocking plate and the positioning column in front view;
fig. 8 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.
In the figure: 1. a mounting rail; 2. a support frame; 3. a first mounting rail; 4. a second mounting rail; 5. a mounting plate; 6. an active winding wheel; 7. a limiting block; 8. a lug wheel; 9. a wire rope; 10. a displacement wheel; 11. a winding wheel is connected; 12. a loading mechanism; 1201. a carrying plate; 1202. a first mounting housing; 1203. a connecting rod; 1204. an upper limit mechanism; 120401, locating plate; 120402, attaching a soft cover; 120403, mounting posts; 120404, inner mounting wheels; 120405 and a mounting base; 120406, limit posts; 1205. a left beam position plate; 1206. a right beam position plate; 1207. a lower support mechanism; 120701, a master installation block; 120702, secondary mounting blocks; 120703, an adjustment wheel; 120704, support bar; 120705, carrier bar; 1208. a transmission mechanism; 120801, an outer drive wheel; 120802, a transmission wheel group; 120803, electric telescopic rod; 120804, a power lever; 1209. a damping mechanism; 120901, a second mounting housing; 120902, mounting rack; 120903, stop lever; 120904, a carrier; 120905, positioning seats; 13. a blocking plate; 14. and positioning columns.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a conveniently carry out hoist of centre gripping to goods, is provided with the support frame 2 that is used for supporting including mounting rail 1 upside, and the upside of left support frame 2 is provided with first installation horizontal pole 3 to the upper end of support frame 2 on right side is provided with second installation horizontal pole 4, and stopper 7 is installed to the inboard of first installation horizontal pole 3, and the outside equiangle of stopper 7 is provided with the engagement wheel 8. The displacement wheel 10 sets up in the inboard of second installation horizontal pole 4, and the mounting panel 5 that is used for supporting is installed to the left end of displacement wheel 10, and the initiative winding wheel 6 that is used for winding cable wire 9 is installed to the upside of mounting panel 5, and the lower extreme of cable wire 9 is provided with carries thing mechanism 12, carries thing mechanism 12 to include loading board 1201, first installation shell 1202, linking pole 1203, go up stop gear 1204, left beam position plate 1205, right beam position plate 1206, lower support mechanism 1207, drive mechanism 1208 and damper 1209: the first installation shell 1202 is installed to the loading board 1201 upside, and the inboard of loading board 1201 installs the head rod 1203, the outside threaded connection of head rod 1203 has left beam position board 1205, and the right side of left beam position board 1205 is provided with the right beam position board 1206 of installing in the opposite side head rod 1203 outside equally, and the right side of right beam position board 1206 is provided with lower supporting mechanism 1207, transmission mechanism 1208 sets up in first installation shell 1202, and the upside of first installation shell 1202 is provided with damper 1209, damper 1209 includes second installation shell 120901, mounting bracket 120902, gag lever post 120903, loading bracket 120904 and locating seat 120905: a second installation housing 120901, the inner side of which is provided with a positioning seat 120905, the inner side of the positioning seat 120905 is provided with a bearing frame 120904, the inner side of the bearing frame 120904 is provided with a limiting rod 120903 fixed in the second installation housing 120901, the upper side of the bearing frame 120904 is provided with a mounting frame 120902, and the inner side of the upper end of the mounting frame 120902 is provided with a connection winding wheel 11 for winding a steel rope 9;
the upper spacing mechanism 1204 includes a positioning plate 120401, a soft cover 120402, mounting posts 120403, inner mounting wheels 120404, mounting bases 120405, and spacing posts 120406: the lower side of the positioning plate 120401 is provided with a laminating soft cover 120402 for limiting cargoes, the upper end of the positioning plate 120401 is fixedly provided with a mounting column 120403, the inner side of the mounting column 120403 is provided with a mounting seat 120405, the right side of the mounting seat 120405 is provided with a limiting column 120406 for limiting rotation of the mounting column 120403, and the upper end of the mounting seat 120405 is fixedly provided with an inner mounting wheel 120404; the lower support mechanism 1207 includes a primary mounting block 120701, a secondary mounting block 120702, an adjustment wheel 120703, a support bar 120704, and a carrier bar 120705: the main mounting block 120701 is mounted in a groove-shaped structure formed in the right beam plate 1206, the inner side of the main mounting block 120701 is provided with a bearing rod 120705, the lower end of the bearing rod 120705 is provided with a secondary mounting block 120702, the regulating wheel 120703 is mounted on the inner side of the secondary mounting block 120702, and the inner side of the regulating wheel 120703 is provided with a supporting rod 120704 for supporting the lower side of goods; the transmission mechanism 1208 includes an outer transmission wheel 120801, a transmission wheel set 120802, an electric telescopic link 120803, and a power link 120804: the outer driving wheel 120801 is mounted on the inner side of the first mounting housing 1202 and rotatably connected to the upper side of the bearing plate 1201, the driving wheel set 120802 is mounted on the inner side of the outer driving wheel 120801, the electric telescopic rod 120803 is mounted on the upper end of the driving wheel set 120802, the power rod 120804 is disposed on the outer side of the connecting rod 1203, the blocking plate 13 is mounted on the inner side of the right beam position plate 1206, and the positioning column 14 fixed in the right beam position plate 1206 is disposed on the inner side of the blocking plate 13.
When the device is used, as shown in fig. 1, the power wheels arranged on the inner side of the supporting frame 2 are controlled to slide on the upper side of the mounting rail 1, the carrying mechanism 12 is moved to the horizontal position of a cargo, then the displacement wheels 10 arranged in the second mounting cross rod 4 are controlled to rotate, the mounting plate 5 is driven to move back and forth, the limiting block 7 arranged on the left end of the mounting plate 5 slides in the first mounting cross rod 3, the stability of the limiting block 7 during movement is increased through the engagement wheels 8 arranged on the outer side of the limiting block 7 at equal angles, so that the carrying mechanism 12 is controlled to move right above the cargo, then the active winding wheel 6 is controlled to rotate, the height of the carrying mechanism 12 is adjusted through the winding of the control steel rope 9, then the angle of the carrying mechanism 12 is actively adjusted through manual intervention, the outer side of the cargo is covered, and then as shown in fig. 3 and 7, according to the property of the cargo, when the cargo is a scattered small piece, the blocking plate 13 is blocked on the outer side of the positioning column 14, the opening structures for reducing weight and covering the cargo arranged in the right beam position plate 1206 and the left beam position plate 1205 are prevented from falling;
in fig. 2, fig. 4 and fig. 5, firstly, the electric telescopic rod 120803 is controlled to shrink, so that the gear structure mounted at the lower end of the transmission wheel set 120802 is not meshed with the outer transmission wheel 120801, then, the power rod 120804 is started, the connecting rod 1203 is rotated, all the connecting rods 1203 are rotated through the outer transmission wheel 120801, so as to control the left beam position plate 1205 and the right beam position plate 1206 to synchronously lift, after the height of the goods is properly adjusted, the whole object carrying mechanism 12 is continuously controlled to descend, and the left beam position plate 1205 and the right beam position plate 1206 completely cover the outer sides of the goods through manual intervention, particularly, as in fig. 2, fig. 3 and fig. 6, the driving wheel structure arranged at the front end and the rear end of the bearing rod 120705 is started, so that the bearing rod 120705 drives the secondary mounting block 120702 fixed at the outer side of the bearing rod 120705 to rotate, after the supporting rod 120704 is horizontally placed, the driving rod structure mounted outside the secondary mounting block 120702 is started to drive the adjusting wheel 120703 to rotate, and the groove structure arranged at the lower side of the supporting rod 120704 is arranged at the lower side of the secondary mounting block 120702 to be in a sliding connection structure with the protruding structure arranged in the secondary mounting block 120702, so that the supporting rod is well connected with the supporting rod through the sliding position plate mounting plate 82352 at the lower side of the supporting rod mounting plate 120702, and the inner side of the supporting rod is provided with the supporting rod mounting hole 120704, and the supporting rod is well in a sliding position-shaped structure is arranged between the supporting rod mounting plate 82339 and the supporting rod mounting hole is arranged to be 9239;
then as shown in fig. 4 and 5, the electric telescopic rod 120803 is controlled to extend, so that the gear structure mounted at the lower end of the transmission wheel set 120802 is meshed with the outer transmission wheel 120801 and the inner mounting wheel 120404 again, then the power rod 120804 is started to reversely rotate, so that the left beam position plate 1205 and the right beam position plate 1206 move upwards, meanwhile, the inner mounting wheel 120404 drives the mounting seat 120405 to rotate, the positioning plate 120401 moves downwards through the sliding limit of the limit post 120406 on the mounting post 120403, and the attaching soft cover 120402 is attached to the upper end of the goods, so that the whole goods are limited, and the goods are prevented from falling due to displacement in the lifting process;
in the lifting process, as shown in fig. 2 and 8, the upper ends of the positioning seat 120905 and the bearing frame 120904 are in fit type sliding connection, the upper end of the bearing frame 120904 is provided with a hole-shaped structure, the outer side of the bearing frame 120904 is provided with a sealing ring structure installed in the positioning seat 120905, so that the bearing frame 120904 receives larger air resistance when moving up and down in the positioning seat 120905, and the damping mechanism 1209 can provide certain damping capacity through the elastic connection between the bearing frame 120904 and the second installation shell 120901, so that impact loads when the connection part between the mounting frame 120902, the connecting winding wheel 11 and the steel rope 9 is subjected to lifting and braking are reduced, and after the bearing frame is lifted to a certain height, the supporting frame 2 and the displacement wheel 10 are controlled to enable the carrying mechanism 12 to move to a corresponding place for blanking.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the invention belongs to the prior art known to the person skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.