CN116443724B - Anti-tipping device of crane and crane - Google Patents
Anti-tipping device of crane and crane Download PDFInfo
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- CN116443724B CN116443724B CN202310722886.XA CN202310722886A CN116443724B CN 116443724 B CN116443724 B CN 116443724B CN 202310722886 A CN202310722886 A CN 202310722886A CN 116443724 B CN116443724 B CN 116443724B
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- unit
- bearing
- fixedly connected
- lifting
- wall
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 230000008093 supporting effect Effects 0.000 claims description 33
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging 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
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention belongs to the technical field of lifting equipment, and discloses an anti-tipping device of a crane, which comprises a bearing unit, wherein both sides of the inner wall of the bearing unit are connected with a fixing unit through bearings, the inner end of the fixing unit is clamped with a lifting unit positioned in the bearing unit, the bottom of the bearing unit is fixedly provided with a collision unit, an inner annular equal-angle bearing of the outer wall of the collision unit is connected with four amplifying units, and the middle part of the bottom end of the collision unit is movably connected with a pressing unit. According to the invention, through the coordination of the structures such as the bearing unit and the lifting unit, the situation that when the cargo box filled with fragile cargoes is lifted and fixed vertically upwards, the two sides of the cargo box are limited and blocked is avoided, and the situation that when the cargo box filled with fragile cargoes is lifted and fixed vertically upwards, the fragile cargoes shake and overturn caused by strong wind weather is prevented to the greatest extent.
Description
Technical Field
The invention belongs to the technical field of hoisting equipment, and particularly relates to an anti-tipping device of a crane and the crane.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, is hoisting equipment for hoisting materials by transversely erecting the crane above workshops, warehouses and yards, and still has the defects in the actual use of the existing crane:
at present, when the funded goods in a certain area need to be carried out by branching through a port, the goods box is generally carried to the port from the goods in the industrial park by using an area truck, the goods are carried to the ship by using the port truck, the goods box in the truck for carrying out the goods box in the industrial park is vertically lifted by using a crane at the port, and then the port truck is driven to move to the position right below the crane to lift the goods for loading the goods, and then the goods are outwards carried by using the port.
In practical use, when the crane is used for lifting the ceramic and fragile goods boxes vertically upwards and downwards to the top of the truck, due to the extreme nature of outdoor weather, the existing crane usually only adopts a suspension device with a single connecting rope, when the crane is lifted vertically by three to five meters, if the crane is in sudden weather, wind power can drive the goods boxes to shake, and when the crane is severe, the phenomenon of tipping can occur, so that wind power is required to stop, the goods boxes are moved vertically downwards to the top of the truck (the default ground is in a flat condition), the goods boxes are suspended to shake, the fragile products in the goods boxes can be crushed due to tipping, and the operation of subsequent operation is influenced, and therefore the crane needs to be improved.
Disclosure of Invention
(one) solving the technical problems
In order to solve the problems in the prior art, the invention provides an anti-tipping device of a crane and the crane, which overcome the defects that fragile goods shake, tip over and damage the integrity of the fragile goods caused by strong wind weather when a container with the fragile goods is vertically hoisted in the prior art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the anti-tipping device of the crane comprises a bearing unit, wherein both sides of the inner wall of the bearing unit are respectively connected with a fixing unit, the inner end of the fixing unit is clamped with a lifting unit positioned inside the bearing unit, the bottom of the bearing unit is fixedly provided with a collision unit, an inner annular equal-angle bearing of the outer wall of the collision unit is connected with four amplification units, the middle part of the bottom end of the collision unit is movably connected with a pressing unit, the lower annular equal-angle of the outer wall of the collision unit is fixedly provided with four counterweight units, and the middle end of the outer wall of the bearing unit is fixedly connected with a limiting unit;
the bearing unit comprises a bearing pipe which is clamped on the outer wall of the lifting unit, grooves are formed in the front end and the rear end of the bearing pipe, a second spring telescopic pipe is fixedly arranged at the bottom of an inner cavity of the groove, and the top of the second spring telescopic pipe is fixedly connected with the lifting unit;
the device comprises a supporting unit, a supporting unit and a pushing unit, wherein the supporting unit comprises a supporting shell fixedly connected with the supporting unit and a mounting ring fixedly connected with the bottom of the supporting unit, a cavity is formed between the top of the mounting ring and the bottom of the supporting unit, an air bag is fixedly arranged at the middle end of the bottom of the mounting ring, the bottom of the air bag is in supporting connection with the top of the pressing unit, air injection pipes are fixedly arranged at two ends of the bottom of the mounting ring, a pushing rod is movably connected with the inside of the lower end of the air injection pipe, a second flexible spring is movably connected with the outer wall of the air injection pipe, and a supporting block is fixedly connected with the bottom of the pushing rod;
the amplifying unit comprises a rotating shaft connected with an inner wall bearing of the abutting unit, a rotating pipe is sleeved on the outer wall of the rotating shaft, a friction block is movably connected inside the rotating pipe, a third spring telescopic pipe is fixedly installed at two ends of the top of the friction block, and the top of the third spring telescopic pipe is fixedly connected with the top of an inner cavity of the rotating pipe;
the fixing unit comprises a clamping block hinged with the inner wall of the bearing unit, one end of the clamping block, far away from the bearing unit, is clamped with the lifting unit, the bottom of the clamping block is fixedly connected with a second arc limiting spring telescopic pipe, one end of the second arc limiting spring telescopic pipe, far away from the lifting unit, is fixedly connected with the bearing unit, the lifting unit comprises a movable column positioned in the bearing unit and a hinged block hinged with the top end of the movable column, both ends of the movable column are fixedly provided with fixed iron blocks, and the fixed iron blocks are clamped with the fixing unit;
the limiting unit comprises a second limiting ring fixedly connected with the outer wall of the bearing unit, the top of the second limiting ring is fixedly connected with a traction rope, the counterweight unit comprises a buckle, the buckle is fixedly connected with the outer wall of the abutting unit, the counterweight block is clamped in the buckle, and the counterweight unit and the amplifying unit are distributed in a staggered manner;
the pressing unit comprises a pressing column, the pressing column is movably connected with the bottom of the abutting unit, a third flexible spring is movably sleeved on the outer wall of one end of the inside of the abutting unit, and the upper end and the lower end of the third flexible spring are fixedly connected with the pressing column and the abutting unit from top to bottom respectively.
Preferably, the crane comprises a crane body and a lifting rod, wherein a connecting plate is fixedly arranged on the outer wall of the lower end of the lifting rod, positioning units are movably connected to the two ends of an inner cavity of the connecting plate, a lifting hook unit is fixedly arranged at the bottom of the lifting rod, and balancing weight placing boxes are fixedly arranged at the two ends of the top of the connecting plate;
the lifting hook unit comprises a mounting block, the top of the mounting block is connected with a lifting rod bearing, a lifting hook ring is connected with a lower end bearing of an inner cavity of the mounting block, one end of the inner cavity of the lifting hook ring, which is far away from the mounting block, is movably connected with a first limiting ring, one end of the first limiting ring, which is close to the mounting block, is fixedly provided with a first arc-shaped limiting spring telescopic pipe, one end of the first arc-shaped limiting spring telescopic pipe, which is far away from the first limiting ring, is fixedly connected with the lifting hook ring, a contact plate is movably connected above the middle end of the lifting hook ring, the bottoms of the front end and the rear end of the contact plate are respectively fixedly connected with a first spring telescopic pipe, and the bottom of the first spring telescopic pipe is fixedly connected with the lifting hook ring;
the positioning unit comprises a movable toothed plate, the movable toothed plate is movably connected with the inside of the connecting plate, the front end of the movable toothed plate is clamped with a positioning toothed plate, two sides of the positioning toothed plate, which are far away from one end of the movable toothed plate, are fixedly provided with first flexible springs, one end of the first flexible springs, which are far away from the movable toothed plate, is fixedly connected with the connecting plate, and the bottom of the movable toothed plate is fixedly connected with a movable block.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the anti-tipping device of the crane and the crane, provided by the invention, through the coordination of the structures such as the bearing unit and the lifting unit, the situation that the fragile goods are rocked and tipped over caused by sudden heavy wind weather when the goods box filled with the fragile goods is lifted and fixed at a fixed point vertically upwards is avoided, the movable column can sequentially collide with the bottom surface of the clamping block through the fixed iron block through the installation shrinkage supporting effect of the hinging block and the bearing pipe, and when stopping is needed, the clamping block can fixedly limit the fixed iron block through the second arc limiting spring telescopic pipe, and the two hinging blocks and the bearing pipe are coordinated to limit and block the two sides of the goods box, so that the situation that the fragile goods are rocked and tipped over caused by sudden heavy wind weather when the goods box filled with the fragile goods is lifted and fixed at a fixed point vertically upwards is prevented to the greatest extent.
2. According to the anti-tipping device of the crane and the crane, the supporting unit, the amplifying unit and other structures are matched, so that the contact area between the bearing unit and the ground is improved, the stability is improved, the pressing column is extruded from the ground, the top end of the pressing column enables the air bag to be in a compressed state, internal air enters the air injection pipe and pushes the top of the pushing rod, the bottom of the pushing rod drives the supporting block to support one side of the top end of the rotating pipe, the upper end of the rotating pipe rotates around the rotating shaft to enable the lower end of the rotating pipe to turn outwards from the inside of the supporting shell, at the moment, the four friction blocks are matched by the elastic force of the third spring telescopic pipe and simultaneously move outwards to be in contact with the ground, and the contact area between the supporting unit and the ground is increased through the outward expansion of the four friction blocks, so that the overall stability is improved.
3. According to the anti-tipping device of the crane and the crane, provided by the invention, the anti-tipping effect of the cargo boxes with different width values is further achieved by arranging the connecting plates, the positioning toothed plates are pulled to release the clamping effect on the movable toothed plates, the movable toothed plates are moved to drive the movable blocks to move, and the movable toothed plates are moved to drive the movable blocks to move, so that the distance between the two bearing units can be changed, and corresponding adjustment can be performed according to the width values of the cargoes, so that the overall applicability is improved.
4. According to the anti-tipping device of the crane and the crane, provided by the invention, the stability of the lifting hook unit in the downward movement process can be greatly improved through the matching of the structures such as the balancing weight placing box, the balancing weight unit and the connecting plate, so that the danger caused by large shaking of the lifting hook unit when the lifting hook unit is driven to descend by the lifting rod of the crane body is avoided, and the weight of the top of the lifting hook unit can be increased by the connecting plate and the balancing weight positioned in the balancing weight placing box when the lifting rod drives the lifting hook unit to move downwards, so that the descending stability of the lifting hook unit can be improved due to heavier weight at the lower end of the lifting hook unit when the lifting hook unit descends.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structural cooperation relationship between the lifting rod and the connecting plate;
FIG. 3 is a schematic cross-sectional view of a positioning unit of the present invention;
FIG. 4 is a schematic diagram showing the internal structure of the positioning unit according to the present invention;
FIG. 5 is a schematic diagram of the structural cooperation of the amplifying unit and the counterweight unit according to the invention;
FIG. 6 is a schematic cross-sectional view of a mounting block of the present invention;
fig. 7 is a schematic cross-sectional view of a load bearing unit of the present invention;
FIG. 8 is a schematic view of a partial enlarged structure at A in FIG. 7;
FIG. 9 is a schematic view of a partial enlarged structure at B in FIG. 7;
FIG. 10 is a schematic diagram showing the structural cooperation of the lifting unit and the limiting unit according to the present invention;
FIG. 11 is a schematic cross-sectional view of the air bag of the present invention;
fig. 12 is a schematic diagram showing the internal structure of the amplifying unit according to the present invention.
In the figure: 1. a crane body; 2. a lifting rod; 3. a connecting plate; 4. a hook unit; 401. a mounting block; 402. a hanging shackle; 403. a first stop collar; 404. a contact plate; 405. a first spring bellows; 406. a first arc-shaped limiting spring telescopic pipe; 5. a positioning unit; 501. a movable toothed plate; 502. a first flexible spring; 503. positioning a toothed plate; 504. a movable block; 6. a load bearing unit; 601. a load-bearing tube; 602. a second spring telescoping tube; 7. a collision unit; 701. a conflicting housing; 702. a mounting ring; 703. an air injection pipe; 704. a push rod; 705. a second flexible spring; 706. an air bag; 707. a collision block; 8. an amplifying unit; 801. a rotating shaft; 802. a rotary tube; 803. a friction block; 804. a third spring telescoping tube; 9. a fixing unit; 901. a clamping block; 902. a second arc limiting spring telescopic tube; 10. a lifting unit; 1001. a hinge block; 1002. a movable column; 1003. fixing the iron block; 11. a limit unit; 1101. a second limiting ring; 1102. a traction rope; 12. a counterweight unit; 1201. a buckle; 1202. balancing weight; 13. a pressing unit; 1301. pressing the column; 1302. a third flexible spring; 14. the balancing weight is placed the box.
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 to 12, the invention provides an anti-tipping device of a crane, which comprises a bearing unit 6, wherein both sides of the inner wall of the bearing unit 6 are respectively connected with a fixing unit 9 in a bearing manner, the inner end of the fixing unit 9 is clamped with a lifting unit 10 positioned in the bearing unit 6, the bottom of the bearing unit 6 is fixedly provided with a collision unit 7, an inner annular equal angle bearing of the outer wall of the collision unit 7 is connected with four amplifying units 8, the middle part of the bottom end of the collision unit 7 is movably connected with a pressing unit 13, the lower annular equal angle of the outer wall of the collision unit 7 is fixedly provided with four counterweight units 12, and the middle end of the outer wall of the bearing unit 6 is fixedly connected with a limiting unit 11.
The scheme is adopted: through setting up the cooperation of bearing unit 6 and lifting unit 10 isotructure, and then avoided when the cargo box that is equipped with fragile goods is in the perpendicular fixed point of upwards handling, the sudden weather leads to fragile cargo box to take place to rock, the condition of tipping, the installation shrink support effect through articulated piece 1001 and bearing pipe 601, movable column 1002 will be contradicted the bottom surface of fixture block 901 in proper order through fixed iron block 1003, when needing to stop, fixture block 901 will be fixed spacing to fixed iron block 1003 through the flexible pipe 902 of second arc spacing spring, the cooperation of two articulated piece 1001 and bearing pipe 601, will carry out spacing blocking to the left and right sides that can the cargo box, the maximum limit has prevented when the cargo box that is equipped with fragile goods is in the perpendicular fixed point of upwards handling, sudden weather leads to fragile goods to take place to rock, the condition of tipping.
The bearing unit 6 comprises a bearing tube 601 which is clamped on the outer wall of the lifting unit 10, grooves are formed in the front end and the rear end of the bearing tube 601, a second spring telescopic tube 602 is fixedly arranged at the bottom of an inner cavity of the groove, the top of the second spring telescopic tube 602 is fixedly connected with the lifting unit 10, the abutting unit 7 comprises an abutting shell 701 fixedly connected with the bearing unit 6 and a mounting ring 702 fixedly connected with the bottom of the bearing unit 6, a cavity is formed in the top of the mounting ring 702 and the bottom of the bearing unit 6, an air bag 706 is fixedly arranged at the middle end of the bottom of the mounting ring 702, the bottom of the air bag 706 is in abutting connection with the top of the pressing unit 13, an air injection tube 703 is fixedly arranged at the two ends of the bottom of the mounting ring 702, a pushing rod 704 is movably connected with the inner portion of the lower end of the air injection tube 703, a second flexible spring 705 is movably connected with the outer wall of the air injection tube 703, and an abutting block 707 is fixedly connected with the bottom of the pushing rod.
The scheme is adopted: through the cooperation of the structures of the abutting shell 701 and the abutting block 707, the upward movement of the pressing unit 13 abuts against the bottom of the air bag 706, the air bag 706 is in a compressed state, at this time, gas in the air bag 706 enters into the middle area of the mounting ring 702 and the bearing unit 6, and along with the continuous extrusion of the air bag 706, the gas enters into the air injection tube 703 and pushes the top of the pushing rod 704, so that the bottom of the pushing rod 704 drives the abutting block 707 to abut against the top of the amplifying unit 8, and the cooperation of the subsequent amplifying unit 8 is facilitated; through the cooperation of the structures of the bearing tube 601 and the second spring telescopic tube 602, the bearing tube 601 and the second spring telescopic tube 602 limit the lifting unit 10 and ensure the stable movement of the lifting unit 10.
The amplifying unit 8 comprises a rotating shaft 801 connected with an inner wall bearing of the abutting unit 7, a rotating pipe 802 is sleeved on the outer wall of the rotating shaft 801, a friction block 803 is movably connected inside the rotating pipe 802, third spring telescopic pipes 804 are fixedly installed at two ends of the top of the friction block 803, the top of each third spring telescopic pipe 804 is fixedly connected with the top of an inner cavity of the rotating pipe 802, a fixing unit 9 comprises a clamping block 901 hinged with the inner wall of the bearing unit 6, one end of the clamping block 901, far away from the bearing unit 6, is clamped with a lifting unit 10, a second arc-shaped limiting spring telescopic pipe 902 is fixedly connected with the bottom of the clamping block 901, one end of the second arc-shaped limiting spring telescopic pipe 902, far away from the lifting unit 10, is fixedly connected with the bearing unit 6, the lifting unit 10 comprises a movable column 1002 located inside the bearing unit 6 and a hinged block 1001 hinged with the top of the movable column 1002, fixing iron blocks 1003 are fixedly installed at two ends of the movable column 1002, and the fixing iron blocks 1003 are clamped with the fixing unit 9.
The scheme is adopted: through the cooperation of structures such as the fixed unit 9 and the lifting unit 10, the movable column 1002 is pulled upwards, the fixed iron block 1003 is driven to collide with the clamping block 901, the clamping block 901 is matched by the second arc-shaped limiting spring telescopic pipe 902 to move together, smooth upward movement of the movable column 1002 is guaranteed, meanwhile, when the movable column 1002 moves downwards, the fixed iron block 1003 collides with the top end of the clamping block 901, the second arc-shaped limiting spring telescopic pipe 902 provides a supporting force for the clamping block 901, so that the movable column 1002 can move upwards and cannot move downwards, meanwhile, because the shape of the bearing pipe 601 is circular, the inner diameter value is larger than the outer diameter value of the movable column 1002, when the movable column 1002 needs to be placed downwards, downward movement of the movable column 1002 can be realized, the shapes of the fixed iron block 1003 and the clamping block 901 are arc-shaped, the opening of the fixed iron block 1003 is downwards, the opening of the clamping block 901 is upwards, and the opposite sides of the fixed iron block 901 are smooth; through the cooperation of structures such as pivot 801 and flexible pipe 804 of third spring, when the conflict piece 707 is contradicted one side on the pivoted tube 802 top, the upper end of pivoted tube 802 will take place to rotate as the axle center this moment, make its lower extreme outwards overturn from the inside of conflict shell 701, the conflict limiting displacement to friction block 803 will be relieved to conflict shell 701 this moment, friction block 803 will receive the flexible pipe 804 of third spring's elasticity cooperation outwards to remove and with ground contact, increase the area of contact of conflict unit 7 and ground, promote stability.
The spacing unit 11 is including the second spacing ring 1101 with bearing unit 6 outer wall fixed connection, the top fixedly connected with haulage rope 1102 of second spacing ring 1101, counterweight unit 12 includes buckle 1201, buckle 1201 and the outer wall fixed connection of conflict unit 7, the inside joint of buckle 1201 has balancing weight 1202, counterweight unit 12 and the crisscross distribution of unit 8 that increases, press unit 13 includes presses the post 1301, press the bottom swing joint of post 1301 and conflict unit 7, press the outer wall activity that the post 1301 is located the inside one end of conflict unit 7 to cup joint third flexible spring 1302, the upper and lower both ends of third flexible spring 1302 from top to bottom respectively with press post 1301 and conflict unit 7 fixed connection.
The scheme is adopted: through the cooperation of the structures of the pressing column 1301 and the third flexible spring 1302, when the bottom of the pressing column 1301 is contacted with the ground, the top end of the pressing column 1301 can abut against the bottom of the air bag 706, so that the air bag 706 is in a contracted shape, further the subsequent extrusion cooperation is facilitated, and the third flexible spring 1302 can play a reset effect on the pressing column 1301; through the cooperation of spacing unit 11 and counter weight unit 12 isotructure, second spacing ring 1101 and haulage rope 1102 will carry out stable traction effect to bearing unit 6 and elevating unit 10, and buckle 1201 and balancing weight 1202 will promote the stability of contradicting unit 7 and friction block 803 and ground contact, and then realize under the sudden strong wind condition, lead to bearing pipe 601 to take place to rock and lead to jack-up goods to rock together, cause the phenomenon that the goods appears damaged.
The utility model provides a hoist, includes hoist body 1 and lifting rod 2, and lifting rod 2 lower extreme's outer wall fixed mounting has connecting plate 3, and the equal swing joint in both ends of connecting plate 3 inner chamber has positioning unit 5, and lifting rod 2's bottom fixed mounting has lifting hook unit 4, and the equal fixed mounting in both ends at connecting plate 3 top has balancing weight to place box 14.
The lifting hook unit 4 comprises a mounting block 401, the top of the mounting block 401 is connected with a lifting rod 2 through a bearing, the lower end of the inner cavity of the mounting block 401 is connected with a lifting hook ring 402, one end of the inner cavity of the lifting hook ring 402, which is far away from the mounting block 401, is movably connected with a first limiting ring 403, one end, which is close to the mounting block 401, of the first limiting ring 403 is fixedly provided with a first arc limiting spring telescopic pipe 406, one end, which is far away from the first limiting ring 403, of the first arc limiting spring telescopic pipe 406 is fixedly connected with the lifting hook ring 402, a contact plate 404 is movably connected with the upper part of the middle end of the lifting hook ring 402, the bottoms of the front end and the rear end of the contact plate 404 are fixedly connected with first spring telescopic pipes 405, and the bottom of the first spring telescopic pipes 405 is fixedly connected with the lifting hook ring 402.
The scheme is adopted: through the cooperation of installing piece 401 and the flexible pipe 406 of first arc spacing spring isotructure, place the rope of connecting the goods at the top of contact plate 404, contact plate 404 will receive the effect of gravity this moment, drive contact plate 404 bottom and extrude the top of first spacing ring 403, at this moment the top of first spacing ring 403 will gradually follow the inside upward activity of lifting hook ring 402, and then realize a relative covering effect to lifting hook ring 402 top, avoid the rope of connecting the goods to take place to rock by a wide margin, lead to unhooking, the bottom of contact plate 404 and the top of first spacing ring 403 all appear as the inclined plane.
The positioning unit 5 comprises a movable toothed plate 501, the movable toothed plate 501 is movably connected with the inside of the connecting plate 3, the front end of the movable toothed plate 501 is clamped with a positioning toothed plate 503, two sides of one end of the positioning toothed plate 503, which is far away from the movable toothed plate 501, are fixedly provided with first flexible springs 502, one end of the first flexible springs 502, which is far away from the movable toothed plate 501, is fixedly connected with the connecting plate 3, the bottom of the movable toothed plate 501 is fixedly connected with a movable block 504, the movable block 504 is slidably connected with the connecting plate 3, and a bottom bearing of the movable block 504 is connected with a hinge block 1001.
The scheme is adopted: through the cooperation of structures such as movable pinion rack 501 and movable block 504, pulling location pinion rack 503 makes it remove the joint effect to movable pinion rack 501, drives movable block 504 through removing movable pinion rack 501 and takes place to move this moment, drives the removal of movable block 504 through movable pinion rack 501 for the distance between two bearing units 6 can change, thereby can carry out corresponding adjustment according to the width value of goods, with this whole suitability that has improved, movable block 504 is connected with the bearing of hinged block 1001, has facilitated the installation swing of follow-up lifting unit 10.
The working principle and the using flow of the invention are as follows:
s1, a worker drives a connecting plate 3 to a pressing unit 13 through a lifting rod 2 to gradually move downwards and contact with the ground, then a balancing weight 1202 is taken out from the inside of a balancing weight placing box 14 and clamped in a buckle 1201, so that the weight value of the abutting shell 701 is increased, the positioning toothed plate 503 is pulled outwards to release the clamping effect on the movable toothed plate 501, the movable toothed plate 501 is moved to drive a movable block 504 to displace, and the distance between two movable columns 1002 can be correspondingly adjusted;
s2, placing and hanging a connecting rope for connecting a cargo box on the top of a contact plate 404, meanwhile, along with the contact of the ground of a supporting shell 701, pressing a pressing column 1301 to be extruded from the ground, pushing the bottom of an air bag 706 by the top end of the pressing column, enabling the air bag 706 to be in a compressed state, enabling air in the air bag 706 to enter into the middle area of a mounting ring 702 and a bearing unit 6, along with the continuous extrusion of the air bag 706, enabling the air to enter into the air injection tube 703, pushing the top of a pushing rod 704, enabling the bottom of the pushing rod 704 to drive a supporting block 707 to abut against one side of the top end of the rotating tube 802, enabling the lower end of the rotating tube 802 to turn outwards from the inside of the supporting shell 701 by taking a rotating shaft 801 as an axis, enabling the four friction blocks 803 to be simultaneously moved outwards by elastic force fit of a third spring 804 and to be in contact with the ground, enabling the air bag 706 to collide against an amplifying unit 8 through the mutual fit between the mounting ring 702 and the inner structure of the supporting block 707, and further enabling the air bag 8 to lift the supporting shell 701 to contact the ground to ensure the contact force of the supporting shell 701 and the supporting shell and the bearing unit 6, and preventing the cargo box from being blocked from being swung to the left and right side of the supporting unit 6;
s3, afterwards, the lifting hook unit 4 is driven to move upwards together with the connecting plate 3 through the lifting rod 2, along with the upward movement of the mounting block 401, the contact plate 404 is driven to be under the action of gravity of the cargo box, the bottom end of the contact plate 404 is driven to extrude the top end of the first limiting ring 403, at this time, the top end of the first limiting ring 403 gradually moves upwards from the inside of the lifting hook ring 402, meanwhile, the movable column 1002 sequentially collides with the bottom surface of the clamping block 901 through the fixed iron block 1003, when the cargo box is lifted upwards to a certain height, the cargo box is transported, at this time, the cargo box needs to be transported and moved, at this time, the lifted cargo box needs to be temporarily fixed and positioned, at this time, the clamping block 901 can fix and limit the fixed iron block 1003 through the second arc limiting spring expansion pipe 902, the left side and the right side of the cargo box can be limited and blocked, and the situation that when the cargo box filled with fragile cargo is lifted upwards and fixed in a fixed point is prevented to the maximum, and the fragile cargo is caused by sudden wind and swaying and tipping occurs.
It should be noted that:
the two bearing units 6, the abutting units 7, the amplifying units 8, the fixing units 9, the lifting units 10, the limiting units 11, the counterweight units 12 and the pressing units 13 are respectively provided with two groups, the two groups are completely identical in structural overall dimension, and are symmetrical with respect to the longitudinal central axis of the lifting hook unit 4, when the cargo box filled with fragile cargoes is lifted to the air of three to five meters through the lifting hook unit 4, the two bearing units 6 and the abutting units 7 can lift the contact force with the ground through the amplifying units 8 and the counterweight units 12, the two bearing units 6 and the abutting units 7 limit the two sides of the cargo box, and the cargo box is prevented from shaking when the lifting hook unit 4 lifts the cargo box upwards due to sudden high wind;
the lifting rod 2 adopts a rope structure in the prior art, the interval value between the two bearing units 6 and the abutting unit 7 is three to five meters, when the lifting hook unit 4 lifts the cargo box upwards, a worker lifts the transport truck to the position right below the overhead cargo box, and after the wind power is over, the cargo box is vertically moved downwards to the inside of the transport truck through the lifting hook unit 4;
the parking spaces vertically positioned are marked under the vertical lifting of the crane, and the parking spaces are matched, so that the truck and the port in the park can accurately and rapidly move at fixed points, multiple times of adjustment are not needed, and the service time is saved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. Anti-tipping device of a crane, comprising a load-bearing unit (6), characterized in that: the device is characterized in that fixing units (9) are connected to two sides of the inner wall of the bearing unit (6) through bearings, lifting units (10) located inside the bearing unit (6) are clamped at the inner ends of the fixing units (9), abutting units (7) are fixedly installed at the bottoms of the bearing units (6), four amplifying units (8) are connected to inner annular equal-angle bearings of the outer wall of each abutting unit (7), pressing units (13) are movably connected to the middle of the bottom end of each abutting unit (7), four counterweight units (12) are fixedly installed at the lower annular equal-angle of the outer wall of each abutting unit (7), and limiting units (11) are fixedly connected to the middle ends of the outer wall of each bearing unit (6).
The bearing unit (6) comprises a bearing tube (601) clamped on the outer wall of the lifting unit (10), grooves are formed in the front end and the rear end of the bearing tube (601), a second spring telescopic tube (602) is fixedly arranged at the bottom of an inner cavity of the groove, and the top of the second spring telescopic tube (602) is fixedly connected with the lifting unit (10);
the device comprises a supporting unit (7), a supporting unit (6) and a supporting unit (6), wherein the supporting unit comprises a supporting shell (701) fixedly connected with the supporting unit and a mounting ring (702) fixedly connected with the bottom of the supporting unit (6), a cavity is formed between the top of the mounting ring (702) and the bottom of the supporting unit (6), an air bag (706) is fixedly arranged at the middle end of the bottom of the mounting ring (702), the bottom of the air bag (706) is in supporting connection with the top of a pressing unit (13), two ends of the bottom of the mounting ring (702) are fixedly provided with air injection pipes (703), pushing rods (704) are movably connected to the inner parts of the lower ends of the air injection pipes (703), second flexible springs (705) are movably connected to the outer walls of the air injection pipes (703), and supporting blocks (707) are fixedly connected to the bottoms of the pushing rods (704).
The amplifying unit (8) comprises a rotating shaft (801) connected with the inner wall of the abutting unit (7) through a bearing, a rotating pipe (802) is sleeved on the outer wall of the rotating shaft (801), a friction block (803) is movably connected inside the rotating pipe (802), a third spring telescopic pipe (804) is fixedly arranged at two ends of the top of the friction block (803), and the top of the third spring telescopic pipe (804) is fixedly connected with the top of an inner cavity of the rotating pipe (802);
the fixing unit (9) comprises a clamping block (901) hinged with the inner wall of the bearing unit (6), one end, away from the bearing unit (6), of the clamping block (901) is clamped with the lifting unit (10), a second arc limiting spring telescopic pipe (902) is fixedly connected to the bottom of the clamping block (901), one end, away from the lifting unit (10), of the second arc limiting spring telescopic pipe (902) is fixedly connected with the bearing unit (6), the lifting unit (10) comprises a movable column (1002) and a hinged block (1001) hinged with the top end of the movable column (1002), fixed iron blocks (1003) are fixedly installed at two ends of the movable column (1002), and the fixed iron blocks (1003) are clamped with the fixing unit (9);
the limiting unit (11) comprises a second limiting ring (1101) fixedly connected with the outer wall of the bearing unit (6), a traction rope (1102) is fixedly connected to the top of the second limiting ring (1101), the counterweight unit (12) comprises a buckle (1201), the buckle (1201) is fixedly connected with the outer wall of the abutting unit (7), a counterweight (1202) is clamped in the buckle (1201), and the counterweight unit (12) and the amplifying unit (8) are distributed in a staggered mode;
the pressing unit (13) comprises a pressing column (1301), the pressing column (1301) is movably connected with the bottom of the abutting unit (7), a third flexible spring (1302) is movably sleeved on the outer wall of one end of the inside of the abutting unit (7) of the pressing column (1301), and the upper end and the lower end of the third flexible spring (1302) are fixedly connected with the pressing column (1301) and the abutting unit (7) from top to bottom respectively.
2. A crane according to claim 1, comprising a crane body (1) and a lifting rod (2), characterized in that: the outer wall of the lower end of the lifting rod (2) is fixedly provided with a connecting plate (3), two ends of an inner cavity of the connecting plate (3) are movably connected with positioning units (5), the bottom of the lifting rod (2) is fixedly provided with a lifting hook unit (4), and two ends of the top of the connecting plate (3) are fixedly provided with balancing weight placing boxes (14);
the lifting hook unit (4) comprises a mounting block (401), the top of the mounting block (401) is connected with a lifting rod (2) through a bearing, a lifting hook ring (402) is connected to the lower end bearing of an inner cavity of the mounting block (401), a first limiting ring (403) is movably connected to one end, far away from the mounting block (401), of the inner cavity of the lifting hook ring (402), a first arc limiting spring telescopic pipe (406) is fixedly arranged at one end, close to the mounting block (401), of the first limiting spring telescopic pipe (406), one end, far away from the first limiting ring (403), of the first arc limiting spring telescopic pipe (406) is fixedly connected with the lifting hook ring (402), a contact plate (404) is movably connected to the upper portion of the middle end of the lifting hook ring (402), a first spring telescopic pipe (405) is fixedly connected to the bottoms of the front end and the rear end of the contact plate (404), and the bottom of the first spring telescopic pipe (405) is fixedly connected with the lifting hook ring (402).
The positioning unit (5) comprises a movable toothed plate (501), the movable toothed plate (501) is movably connected with the inside of the connecting plate (3), the front end of the movable toothed plate (501) is clamped with a positioning toothed plate (503), two sides, far away from one end of the movable toothed plate (501), of the positioning toothed plate (503) are fixedly provided with first flexible springs (502), one end, far away from the movable toothed plate (501), of the first flexible springs (502) is fixedly connected with the connecting plate (3), and the bottom of the movable toothed plate (501) is fixedly connected with a movable block (504).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310722886.XA CN116443724B (en) | 2023-06-19 | 2023-06-19 | Anti-tipping device of crane and crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310722886.XA CN116443724B (en) | 2023-06-19 | 2023-06-19 | Anti-tipping device of crane and crane |
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| CN116443724B true CN116443724B (en) | 2023-08-22 |
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| CN117550500B (en) * | 2024-01-10 | 2024-03-19 | 天津同丰信息技术有限公司 | Cantilever crane work safety device for cargo transportation |
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