CN112723144A - Crane with object falling prevention function - Google Patents
Crane with object falling prevention function Download PDFInfo
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- CN112723144A CN112723144A CN202110128677.3A CN202110128677A CN112723144A CN 112723144 A CN112723144 A CN 112723144A CN 202110128677 A CN202110128677 A CN 202110128677A CN 112723144 A CN112723144 A CN 112723144A
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- 230000002265 prevention Effects 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 28
- 239000000872 buffer Substances 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000003934 vacuole Anatomy 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000006173 Good's buffer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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Abstract
The invention relates to the field of cranes, in particular to a crane with an object falling prevention function, which comprises a shell and a hook, wherein fixed plates are fixedly connected to two sides of the bottom end of the shell, a supporting plate is arranged between the two fixed plates, a buffer mechanism is arranged between each of two ends of the supporting plate and the corresponding fixed plate, an installation column is fixedly connected to the upper end of the hook, the upper end of the installation column is movably sleeved with the supporting plate, an installation mechanism is arranged between the installation column and the supporting plate, an auxiliary groove is formed in the inner surface of the hook, a supporting mechanism is arranged in the auxiliary groove, a guide mechanism is arranged at the bottom end of the supporting mechanism, a. Through carrying out multiple spacing to the lifting rope, prevent that the sliding or unhook phenomenon from appearing in the couple of lifting rope, guarantee the stability of lifting rope and heavy object when removing to guarantee safety, simultaneously, also guaranteed the life of couple.
Description
Technical Field
The invention relates to the field of cranes, in particular to a crane with an object falling prevention function.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The crane is also called a crown block, a crane, and hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle work alternately, so that the crane is more and more widely developed and used in the market. Because the weight is lifted without the supporting legs and the lifted weight is frequently used for driving, the driving speed is higher than that of a crawler crane (crawler crane); the operation is stable, the lifting capacity is large, the lifting can be carried out within a specific range, but the road is required to be smooth and firm, the tire air pressure meets the requirement, and the lifting distance from the ground is not more than 50 CM; long distance walking with load is prohibited. In order to ensure the operation safety, the lifting operation without landing legs is basically forbidden in China at present. The crane is matched with steel wire ropes of various types including phosphated coated steel wire ropes, galvanized steel wire ropes and polished steel wire ropes.
The existing hook hanging part of the partial crane is in an open state, when a lifting rope loaded with a heavy object is hung on the hook, the hook drives the heavy object to move in the air, and due to the fact that a good limiting device is not arranged, the lifting rope can slide on the hook, stability of the heavy object in the air can be affected, the lifting rope can fall off from the hook more easily, accidents occur, meanwhile, the hook is not provided with a good buffer device when the loaded heavy object moves, and the service life of the hook can be affected to a certain extent.
Disclosure of Invention
The invention provides a crane with an object falling prevention function, aiming at the problems that in the prior art, the hanging parts of a hook of a part of the crane are all in an open state, when a lifting rope filled with a heavy object is hung on the hook, and the hook drives the heavy object to move in the air, the lifting rope can slide on the hook due to the fact that no good limiting device is arranged, so that the stability of the heavy object in the air can be influenced, the lifting rope is more likely to fall off from the hook, accidents occur, meanwhile, the hook is not provided with a good buffer device when the heavy object is loaded to move, and the service life of the hook can be influenced to a certain extent.
The technical scheme adopted by the invention for solving the technical problems is as follows: a crane with an object falling prevention function comprises a shell and a hook, wherein fixed plates are fixedly connected to two sides of the bottom end of the shell, a supporting plate is arranged between the two fixed plates, buffer mechanisms are arranged between two ends of the supporting plate and the corresponding fixed plates, an installation column is fixedly connected to the upper end of the hook, the upper end of the installation column is movably sleeved with the supporting plate, an installation mechanism is arranged between the installation column and the supporting plate, an auxiliary groove is formed in the inner surface of the hook, a supporting mechanism is arranged in the auxiliary groove, a guide mechanism is arranged at the bottom end of the supporting mechanism, a limiting mechanism is arranged on the outer side of the guide mechanism through a connecting block, and the; two buffer gear all includes recess, installation piece, piston, cavity and second spring, two the fixed plate opposite side all is equipped with the recess, the backup pad both ends are inserted respectively and are established in two recesses, the equal fixedly connected with installation piece in backup pad both ends, two the equal fixedly connected with piston in installation piece one side, two equal vacuole formation between piston and the corresponding recess lateral wall, two equal fixedly connected with second spring between installation piece and the corresponding recess inner wall, two the second spring overlaps respectively and establishes in backup pad both ends periphery.
Specifically, installation mechanism includes pocket piece, first through-hole, external screw thread, nut and first spring, the backup pad top is equipped with the pocket piece, the erection column upper end is cup jointed through first through-hole and pocket piece activity, there is the nut in the erection column upper end outside through external screw thread connection, nut and pocket piece upper end contact, the first spring of fixedly connected with between pocket piece and the backup pad, first spring housing is established peripherally at the erection column.
Concretely, supporting mechanism includes two side channels, two montants, two mounting holes, supporting shoe and two third springs, all be equipped with the side channel on the wall of auxiliary tank both sides, two equal vertical fixation has the montant in the side channel, two all be equipped with the supporting shoe between the side channel, the supporting shoe both ends are cup jointed through two mounting holes and two montant activities, equal fixedly connected with third spring between supporting shoe both ends and the corresponding side channel diapire, two the third spring is established respectively the cover and is established at two montant peripheries.
Specifically, the guide mechanism comprises a guide rod, a guide groove, a bottom block, two sliding grooves, a positioning column, a positioning groove and a fourth spring, the guide rod is vertically fixed at the center of the bottom end of the supporting block, the connecting block is fixedly sleeved outside the guide rod, the bottom wall of the auxiliary groove is provided with a guide groove matched with the guide rod, the lower end of the guide rod is inserted in the guide groove, the bottom end of the guide rod is fixedly connected with a bottom block, the two side walls of the guide groove are respectively provided with a sliding groove matched with the bottom block, two ends of the bottom block are respectively connected with the two sliding grooves in a sliding manner, a positioning column is vertically fixed at the central position of the bottom wall of the guide groove, the bottom end of the guide rod is provided with a positioning groove matched with the positioning column, the upper end of the positioning column is inserted in the positioning groove, and a fourth spring is fixedly connected between the bottom block and the bottom wall of the guide groove, and the fourth spring is sleeved on the periphery of the positioning column.
Specifically, the limiting mechanism comprises a first side block, a second side block, a fixing column, a first through hole, a vertical plate, a second through hole, a top plate, a socket, an extrusion block and a plurality of tooth blocks, a first side block and a second side block are respectively and fixedly connected with the two sides of the connecting block, the fixed column and the vertical plate are respectively positioned on the two sides of the guide rod, the fixed column is fixedly connected on the bottom wall of the auxiliary groove, the upper end of the fixed column is movably sleeved with the first side block, the first through hole and the second through hole are both arranged on the supporting block, the top end of the fixed column is inserted in the first through hole, the vertical plate is fixedly and vertically fixed on the second side block, the vertical plate is movably sleeved with the supporting block through the second through hole, the top end of the vertical plate is fixedly connected with a top plate, the top plate is provided with a socket corresponding to the fixed column, the bottom end of the top plate is fixedly connected with an extrusion block, and the bottom end of the extrusion block is fixedly connected with a plurality of tooth blocks.
Specifically, inclined planes are arranged on two sides of the upper end of the supporting block, a clamping groove is formed in the center of the upper end of the supporting block, and the clamping groove corresponds to the extrusion block.
Specifically, be equipped with two slots in the backup pad, two slots are located the erection column both sides respectively, two all insert in the slot and be equipped with the inserted bar, two the inserted bar is the vertical fixation respectively in the lagging block both sides bottom, two the inserted bar bottom outside all fixed the having cup jointed fixed block, two the equal fixedly connected with a plurality of stoppers in the fixed block outside, two all be equipped with a plurality of spacing grooves with stopper looks adaptation on the slot lateral wall, it is a plurality of the stopper respectively with a plurality of spacing groove sliding connection.
The invention has the beneficial effects that:
(1) according to the crane with the object falling prevention function, when the crane drives the lifting rope and the heavy object to ascend through the hook, the hook moves upwards, the supporting block cannot move upwards, so that the supporting block can extrude the two third springs to enable the two third springs to be in a compressed state, meanwhile, the guide rod can also be inserted into the guide groove to extrude the fourth spring, the stability of the guide rod in moving is guaranteed through the positioning groove and the positioning column, the top plate moves downwards through the connecting block and the vertical plate when the guide rod is inserted into the guide groove, the lifting rope is limited through the extruding block and the plurality of tooth blocks when the top plate moves downwards, the sliding or hook falling phenomenon of the lifting rope is prevented, when the top plate moves downwards, the upper end of the fixing column can be combined with the socket, the limiting is further carried out on the lifting rope, the stability of the lifting rope and the heavy object in the air is guaranteed, and therefore the safety is guaranteed.
(2) According to the crane with the anti-falling function, when the hook drives the weight to move in the air and the hook drives the mounting column to move laterally, the second springs are extruded or stretched through the supporting plate, a certain buffering effect can be achieved by the aid of acting forces of the two second springs, negative pressure can be generated in the cavity when the supporting plate pulls the piston, accordingly, the buffering effect can be further enhanced, and the service life of the hook is guaranteed.
(3) According to the crane with the object falling prevention function, the nut is rotated to be separated from the mounting column, so that the mounting column and the hook can be easily disassembled, the hook is convenient to replace and maintain, the disassembling and assembling time is saved, and the time and the labor are saved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a crane with an object falling prevention function provided by the invention;
FIG. 2 is a schematic partial structure diagram of a crane with an object falling prevention function provided by the invention;
FIG. 3 is an enlarged schematic view of the structure at the position A of the crane with the object falling prevention function provided by the invention;
FIG. 4 is an enlarged schematic view of a structure at the position B of the crane with the object falling prevention function provided by the invention;
FIG. 5 is a schematic structural diagram of a top plate of the crane with the object falling prevention function provided by the invention;
FIG. 6 is a schematic cross-sectional view illustrating a connection between an insert rod and a slot of a crane with an object falling prevention function according to the present invention;
fig. 7 is a schematic structural diagram of a supporting block of the crane with the object falling prevention function provided by the invention.
In the figure: 1. a housing; 2. a fixing plate; 3. mounting a column; 4. hooking; 5. an installation mechanism; 51. an external thread; 52. a nut; 53. sleeving blocks; 54. a first through hole; 55. a first spring; 6. a buffer mechanism; 61. a cavity; 62. a groove; 63. a piston; 64. mounting blocks; 65. a second spring; 7. a limiting mechanism; 71. a top plate; 72. a socket; 73. a vertical plate; 74. extruding the block; 75. a tooth block; 76. a second port; 77. fixing a column; 78. a first side block; 79. a first port; 710. a second side block; 8. a support mechanism; 81. a support block; 82. a side groove; 83. a third spring; 84. mounting holes; 85. a vertical rod; 9. a guide mechanism; 91. a guide bar; 92. positioning a groove; 93. a positioning column; 94. a bottom block; 95. a chute; 96. a guide groove; 97. a fourth spring; 10. a support plate; 11. an auxiliary groove; 12. inserting a rod; 13. a card slot; 14. a bevel; 15. a fixed block; 16. a slot; 17. a limiting groove; 18. a limiting block; 19. and (4) connecting the blocks.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in figures 1-7, the crane with the object falling prevention function comprises a shell 1 and a hook 4, wherein both sides of the bottom end of the shell 1 are fixedly connected with fixed plates 2, a supporting plate 10 is arranged between the two fixed plates 2, buffering mechanisms 6 are arranged between both ends of the supporting plate 10 and the corresponding fixed plates 2, the upper end of the hook 4 is fixedly connected with an installation column 3, the upper end of the installation column 3 is movably sleeved with the supporting plate 10, an installation mechanism 5 is arranged between the installation column and the supporting plate 10, an auxiliary groove 11 is arranged on the inner surface of the hook 4, a supporting mechanism 8 is arranged in the auxiliary groove 11, a guiding mechanism 9 is arranged at the bottom end of the supporting mechanism 8, a limiting mechanism 7 is arranged on the outer side of the guiding mechanism 9 through a connecting block 19, the upper end of the limiting mechanism 7 corresponds to the supporting mechanism 8, and the phenomenon that the lifting, the stability of the lifting rope and the heavy object in moving is ensured, so that the safety is ensured, and meanwhile, the service life of the hook 4 is also ensured.
Specifically, each of the two buffer mechanisms 6 includes a groove 62, a mounting block 64, a piston 63, a cavity 61 and a second spring 65, the grooves 62 are disposed on opposite sides of the two fixing plates 2, two ends of the supporting plate 10 are respectively inserted into the two grooves 62, the mounting blocks 64 are fixedly connected to two ends of the supporting plate 10, the pistons 63 are fixedly connected to one sides of the two mounting blocks 64, the cavities 61 are formed between the two pistons 63 and the side walls of the corresponding grooves 62, the second springs 65 are fixedly connected between the two mounting blocks 64 and the inner walls of the corresponding grooves 62, the two second springs 65 are respectively sleeved on the peripheries of two ends of the supporting plate 10, when the hook 4 drives the heavy object to move in the air, the second springs 65 are extruded or stretched by the supporting plate 10 when the hook 4 drives the mounting column 3 to move laterally, a certain buffer effect can be achieved by the acting force of the two second springs 65, when the supporting plate 10 pulls the, can make the interior negative pressure that produces of cavity 61 to can further strengthen buffering effect, guarantee couple 4's life.
Specifically, installation mechanism 5 includes pocket 53, first through-hole 54, external screw thread 51, nut 52 and first spring 55, backup pad 10 top is equipped with pocket 53, erection column 3 upper end is cup jointed through first through-hole 54 and pocket 53 activity, there is nut 52 in the erection column 3 upper end outside through external screw thread 51 threaded connection, nut 52 and the contact of pocket 53 upper end, the first spring 55 of fixedly connected with between pocket 53 and the backup pad 10, first spring 55 cover is established at erection column 3 periphery, rotate nut 52, make nut 52 and erection column 3 separate, erection column 3 and couple 4 that can be very light are dismantled, thereby be convenient for change and maintenance to couple 4, save the dismouting time, time saving and labor saving.
Specifically, the supporting mechanism 8 includes two side grooves 82, two vertical bars 85, two mounting holes 84, a supporting block 81 and two third springs 83, the side grooves 82 are disposed on two side walls of the auxiliary groove 11, the vertical bars 85 are vertically fixed in the two side grooves 82, the supporting block 81 is disposed between the two side grooves 82, two ends of the supporting block 81 are movably sleeved with the two vertical bars 85 through the two mounting holes 84, the third springs 83 are fixedly connected between two ends of the supporting block 81 and bottom walls of the corresponding side grooves 82, the two third springs 83 are respectively sleeved on peripheries of the two vertical bars 85, when the crane drives the lifting rope and the heavy object through the hook 4, the hook 4 moves up, and the supporting block 81 cannot move up, so that the supporting block 81 can extrude the two third springs 83, and the two third springs 83 are in a compression state.
Specifically, the guiding mechanism 9 includes a guiding rod 91, a guiding groove 96, a bottom block 94, two sliding grooves 95, a positioning column 93, a positioning groove 92 and a fourth spring 97, the guiding rod 91 is vertically fixed at the center position of the bottom end of the supporting block 81, the connecting block 19 is fixedly sleeved outside the guiding rod 91, the bottom wall of the auxiliary groove 11 is provided with the guiding groove 96 matched with the guiding rod 91, the lower end of the guiding rod 91 is inserted into the guiding groove 96, the bottom end of the guiding rod 91 is fixedly connected with the bottom block 94, two side walls of the guiding groove 96 are respectively provided with the sliding grooves 95 matched with the bottom block 94, two ends of the bottom block 94 are respectively connected with the two sliding grooves 95 in a sliding manner, the center position of the bottom wall of the guiding groove 96 is vertically fixed with the positioning column 93, the bottom end of the guiding rod 91 is provided with the positioning groove 92 matched with the positioning column 93, the upper end of the positioning column 93 is inserted into the positioning groove 92, the guide rod 91 is also inserted into the guide groove 96, and presses the fourth spring 97, thereby ensuring the stability of the guide rod 91 during movement through the positioning groove 92 and the positioning post 93.
Specifically, the limiting mechanism 7 includes a first side block 78, a second side block 710, a fixing column 77, a first through hole 79, a vertical plate 73, a second through hole 76, a top plate 71, a socket 72, an extrusion block 74 and a plurality of tooth blocks 75, the first side block 78 and the second side block 710 are respectively fixedly connected to two sides of the connecting block 19, the fixing column 77 and the vertical plate 73 are respectively located at two sides of the guide rod 91, the fixing column 77 is fixedly connected to the bottom wall of the auxiliary tank 11, the upper end of the fixing column 77 is movably sleeved with the first side block 78, the first through hole 79 and the second through hole 76 are both arranged on the support block 81, the top end of the fixing column 77 is inserted into the first through hole 79, the vertical plate 73 is fixedly and vertically fixed on the second side block 710, the vertical plate 73 is movably sleeved with the support block 81 through the second through hole 76, the top end of the vertical plate 73 is fixedly connected with the top plate 71, extrusion piece 74 bottom fixedly connected with has a plurality of tooth pieces 75, guide bar 91 makes roof 71 move down through connecting block 19 and riser 73 when inserting inside guide way 96, and roof 71 moves down and carries on spacingly through extrusion piece 74 and a plurality of tooth pieces 75 to the lifting rope, prevents that the lifting rope from sliding or unhook phenomenon appearing, and roof 71 is when moving down, and fixed column 77 upper end can combine together with socket 72, further carries on spacingly to the lifting rope, guarantees lifting rope and heavy object stability in the air.
Specifically, inclined planes 14 are arranged on two sides of the upper end of the supporting block 81, a clamping groove 13 is formed in the center of the upper end of the supporting block 81, the clamping groove 13 corresponds to the extrusion block 74, the lifting rope is placed in the clamping groove 13, the lifting rope is positioned through the clamping groove 13, and the clamping groove 13 is matched with the extrusion block 74 to limit the lifting rope, so that the lifting rope is prevented from sliding.
Specifically, be equipped with two slots 16 on the backup pad 10, two slots 16 are located the 3 both sides of erection column respectively, it is equipped with inserted bar 12 all to insert in two slots 16, two inserted bar 12 are the vertical fixation respectively in the bottom of collets 53 both sides, fixed block 15 has all been fixed to have cup jointed in two 12 bottom outsides of inserted bar, a plurality of stoppers 18 of the equal fixedly connected with in two 15 outsides of fixed block, all be equipped with the spacing groove 17 of a plurality of and stopper 18 looks adaptations on two slots 16 lateral walls, a plurality of stoppers 18 respectively with a plurality of spacing groove 17 sliding connection, stability when guaranteeing collets 53 and removing, thereby make collets 53 stable extrude first spring 55, and then guarantee the buffering effect.
When the lifting rope is used, the lifting rope is placed in the clamping groove 13, the lifting rope is limited by the clamping groove 13, when the lifting rope and a heavy object are driven by the crane through the hook 4 to ascend, the hook 4 moves upwards, and the supporting block is not moved upwards under the action force 81 of the heavy object, so that the supporting block 81 can extrude the two third springs 83 to enable the two third springs 83 to be in a compressed state, meanwhile, the guide rod 91 is also inserted into the guide groove 96 to extrude the fourth spring 97, the stability of the guide rod 91 in moving is ensured through the positioning groove 92 and the positioning column 93, the guide rod 91 enables the top plate 71 to move downwards through the connecting block 19 and the vertical plate 73 when being inserted into the guide groove 96, the lifting rope is limited through the extruding block 74 and the plurality of tooth blocks 75 when the top plate 71 moves downwards, the sliding or unhooking phenomenon of the lifting rope is prevented, when the top plate 71 moves downwards, the upper end of the fixing column 77 is, further carry on spacingly to the lifting rope, guarantee lifting rope and the stability of heavy object in the air, thereby guarantee safety, couple 4 drives the heavy object when moving in the air, when couple 4 drives erection column 3 lateral shifting, can extrude or stretch second spring 65 through backup pad 10, the effort that utilizes two second springs 65 can play certain cushioning effect, backup pad 10 is when pulling piston 63, can make the interior negative pressure that produces of cavity 61, thereby can further strengthen buffering effect, guarantee couple 4's life, when later stage is maintained and is changed couple 4, swivel nut 52, make nut 52 and erection column 3 separation, erection column 3 and couple 4 that can be very light dismantle, thereby be convenient for change and maintenance to couple 4, save the dismouting time, time saving and labor saving.
The invention has the beneficial effects that:
(1) according to the crane with the object falling prevention function, when the crane drives the lifting rope and the heavy object to ascend through the hook, the hook moves upwards, the supporting block cannot move upwards, so that the supporting block can extrude the two third springs to enable the two third springs to be in a compressed state, meanwhile, the guide rod can also be inserted into the guide groove to extrude the fourth spring, the stability of the guide rod in moving is guaranteed through the positioning groove and the positioning column, the top plate moves downwards through the connecting block and the vertical plate when the guide rod is inserted into the guide groove, the lifting rope is limited through the extruding block and the plurality of tooth blocks when the top plate moves downwards, the sliding or hook falling phenomenon of the lifting rope is prevented, when the top plate moves downwards, the upper end of the fixing column can be combined with the socket, the limiting is further carried out on the lifting rope, the stability of the lifting rope and the heavy object in the air is guaranteed, and therefore the safety is guaranteed.
(2) According to the crane with the anti-falling function, when the hook drives the weight to move in the air and the hook drives the mounting column to move laterally, the second springs are extruded or stretched through the supporting plate, a certain buffering effect can be achieved by the aid of acting forces of the two second springs, negative pressure can be generated in the cavity when the supporting plate pulls the piston, accordingly, the buffering effect can be further enhanced, and the service life of the hook is guaranteed.
(3) According to the crane with the object falling prevention function, the nut is rotated to be separated from the mounting column, so that the mounting column and the hook can be easily disassembled, the hook is convenient to replace and maintain, the disassembling and assembling time is saved, and the time and the labor are saved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The crane with the anti-falling function comprises a shell (1) and a hook (4), and is characterized in that two sides of the bottom end of the shell (1) are fixedly connected with fixing plates (2), a supporting plate (10) is arranged between the two fixing plates (2), buffer mechanisms (6) are arranged between two ends of the supporting plate (10) and the corresponding fixing plates (2), an installation column (3) is fixedly connected to the upper end of the hook (4), the upper end of the installation column (3) is movably sleeved with the supporting plate (10), an installation mechanism (5) is arranged between the installation column (3) and the supporting plate (10), an auxiliary groove (11) is arranged on the inner surface of the hook (4), a supporting mechanism (8) is arranged in the auxiliary groove (11), a guiding mechanism (9) is arranged at the bottom end of the supporting mechanism (8), and a limiting mechanism (7) is arranged on the outer side of the guiding mechanism (9), the upper end of the limiting mechanism (7) corresponds to the supporting mechanism (8); two buffer gear (6) all include recess (62), installation piece (64), piston (63), cavity (61) and second spring (65), two fixed plate (2) opposite side all is equipped with recess (62), insert respectively at backup pad (10) both ends and establish in two recess (62), the equal fixedly connected with installation piece (64) in backup pad (10) both ends, two equal fixedly connected with piston (63) in installation piece (64) one side, two equal vacuole formation (61), two between piston (63) and the corresponding recess (62) lateral wall installation piece (64) and corresponding recess (62) inner wall between equal fixedly connected with second spring (65), two second spring (65) are established respectively and are established in backup pad (10) both ends periphery.
2. The crane with the object falling prevention function according to claim 1, wherein: installation mechanism (5) are including cover block (53), first through-hole (54), external screw thread (51), nut (52) and first spring (55), backup pad (10) top is equipped with cover block (53), erection column (3) upper end is cup jointed through first through-hole (54) and cover block (53) activity, there is nut (52) outside erection column (3) upper end through external screw thread (51) threaded connection, nut (52) and cover block (53) upper end contact, first spring (55) of fixedly connected with between cover block (53) and backup pad (10), first spring (55) cover is established in erection column (3) periphery.
3. The crane with the object falling prevention function according to claim 1, wherein: supporting mechanism (8) include two side channels (82), two montants (85), two mounting holes (84), supporting shoe (81) and two third springs (83), all be equipped with side channel (82) on supplementary groove (11) both sides wall, two equal vertical fixation has montant (85), two in side channel (82) all be equipped with supporting shoe (81) between side channel (82), supporting shoe (81) both ends are cup jointed through two mounting holes (84) and two montant (85) activity, equal fixedly connected with third spring (83) between supporting shoe (81) both ends and the corresponding side channel (82) diapire, two third spring (83) is established respectively and is established in two montants (85) periphery.
4. The crane with the object falling prevention function according to claim 1, wherein: the guide mechanism (9) comprises a guide rod (91), a guide groove (96), a bottom block (94), two sliding grooves (95), a positioning column (93), a positioning groove (92) and a fourth spring (97), the guide rod (91) is vertically fixed at the center of the bottom end of the supporting block (81), the connecting block (19) is fixedly sleeved on the outer side of the guide rod (91), the bottom wall of the auxiliary groove (11) is provided with the guide groove (96) matched with the guide rod (91), the lower end of the guide rod (91) is inserted into the guide groove (96), the bottom end of the guide rod (91) is fixedly connected with the bottom block (94), the two side walls of the guide groove (96) are respectively provided with the sliding grooves (95) matched with the bottom block (94), the two ends of the bottom block (94) are respectively in sliding connection with the two sliding grooves (95), the center of the bottom wall of the guide groove (96) is vertically fixed with the positioning column (, the positioning groove (92) matched with the positioning column (93) is formed in the bottom end of the guide rod (91), the upper end of the positioning column (93) is inserted into the positioning groove (92), a fourth spring (97) is fixedly connected between the bottom block (94) and the bottom wall of the guide groove (96), and the positioning column (93) is sleeved with the fourth spring (97).
5. The crane with the object falling prevention function according to claim 1, wherein: the limiting mechanism (7) comprises a first side block (78), a second side block (710), a fixing column (77), a first through opening (79), a vertical plate (73), a second through opening (76), a top plate (71), a socket (72), an extrusion block (74) and a plurality of tooth blocks (75), wherein the first side block (78) and the second side block (710) are fixedly connected to two sides of the connecting block (19) respectively, the fixing column (77) and the vertical plate (73) are located on two sides of the guide rod (91) respectively, the fixing column (77) is fixedly connected to the bottom wall of the auxiliary groove (11), the upper end of the fixing column (77) is movably sleeved with the first side block (78), the first through opening (79) and the second through opening (76) are both arranged on the supporting block (81), the top end of the fixing column (77) is inserted into the first through opening (79), and the vertical plate (73) is fixedly and vertically fixed on the second side block (710), the vertical plate (73) is movably sleeved with the supporting block (81) through the second through hole (76), the top end of the vertical plate (73) is fixedly connected with a top plate (71), a socket (72) corresponding to the fixing column (77) is arranged on the top plate (71), the bottom end of the top plate (71) is fixedly connected with an extrusion block (74), and the bottom end of the extrusion block (74) is fixedly connected with a plurality of tooth blocks (75).
6. The crane with the object falling prevention function according to claim 3, wherein: inclined planes (14) are arranged on two sides of the upper end of the supporting block (81), a clamping groove (13) is formed in the center of the upper end of the supporting block (81), and the clamping groove (13) corresponds to the extrusion block (74).
7. The crane with the object falling prevention function according to claim 1, wherein: be equipped with two slots (16) on backup pad (10), two slots (16) are located erection column (3) both sides respectively, two all insert in slot (16) and be equipped with inserted bar (12), two inserted bar (12) vertical fixation respectively is in pocket piece (53) both sides bottom, two fixed block (15), two have all been cup jointed to the inserted bar (12) bottom outside all fixed block (15) the equal fixedly connected with in outside a plurality of stoppers (18), two all be equipped with spacing groove (17) of a plurality of and stopper (18) looks adaptation on slot (16) lateral wall, it is a plurality of stopper (18) respectively with a plurality of spacing groove (17) sliding connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110128677.3A CN112723144B (en) | 2021-01-29 | 2021-01-29 | Crane with anti-falling function |
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| CN112723144B CN112723144B (en) | 2024-04-26 |
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| CN113955658A (en) * | 2021-10-11 | 2022-01-21 | 中煤建工基础工程有限公司 | Pile foundation construction steel reinforcement cage lifting device |
| CN114215235A (en) * | 2021-12-06 | 2022-03-22 | 中建八局第二建设有限公司 | Super high-rise inclined double-layer special-shaped curtain wall construction device and method |
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|---|---|
| CN112723144B (en) | 2024-04-26 |
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