CN116946888A - Movable heavy object promotes portal frame - Google Patents
Movable heavy object promotes portal frame Download PDFInfo
- Publication number
- CN116946888A CN116946888A CN202311210771.9A CN202311210771A CN116946888A CN 116946888 A CN116946888 A CN 116946888A CN 202311210771 A CN202311210771 A CN 202311210771A CN 116946888 A CN116946888 A CN 116946888A
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- electric
- frame
- wheel
- pressing
- deflection
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 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
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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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
- 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
- B66C5/04—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods with runways or tracks supported for movements relative to bridge or gantry
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention relates to the technical field of object lifting, in particular to a movable heavy object lifting portal frame. The invention can fully support against the electric driving wheel during movement, so that the weight on the hook is safer during movement, the steel rope can be limited and the weight on the hook can be clamped, and the stability of the weight on the hook during movement is improved. The invention comprises electric supporting legs, sliding rails and connecting frames, wherein the sliding rails are arranged between the two electric supporting legs, and the connecting frames are connected onto the sliding rails in a sliding manner. The couple is hung to the manual work to start electric drive wheel, electric capstan, electric landing leg and electric putter, the universal wheel and the ground contact of two sets of ground connection wheel poles, make electric landing leg more steady when removing, the holding down plate can support two electric drive wheels, holding down frame and holding down plate contact can increase frictional force, make the holding down plate can be more abundant support electric drive wheel, make the heavy object on the couple safer when removing.
Description
Technical Field
The invention relates to the technical field of object lifting, in particular to a movable heavy object lifting portal frame.
Background
The portal frames are divided into fixed type and movable type, wherein the existing movable type portal frames are mostly light type portal frames and are mostly used for hoisting and conveying objects with small weight, and the condition that the objects with large weight are required to be hoisted often occurs in building construction, so that movable heavy objects are required to be used for hoisting the portal frames.
However, the existing movable heavy object lifting portal frame needs to drive heavy object translation through the driving wheel when working to adjust the position of heavy object on the portal frame, be convenient for follow-up portal frame to hoist heavy object to suitable position, but after the position adjustment of heavy object, can not support the driving wheel well, the driving wheel can take place to slide left and right because of inertial force when the portal frame removes, thereby cause the heavy object that the portal frame was hoisted to take place to rock, make the heavy object that is hoisted on the portal frame drop easily, lead to the heavy object unsafe in the hoist process, simultaneously the cable wire rope on the couple also can take place slight swing under inertial force when the portal frame removes, probably make the heavy object that is hoisted drop in advance in the place of not reaching the whereabouts point, make the heavy object not steady enough when removing, easily cause life to the workman of below.
Disclosure of Invention
In view of the above, the invention provides a movable weight lifting portal frame which can fully support against an electric driving wheel when moving, so that the weight on a hook is safer when moving, a steel rope can be limited, the weight on the hook can be clamped, and the stability of the weight on the hook when moving is improved.
The technical implementation scheme of the invention is as follows: the utility model provides a movable heavy object promotes portal frame, including electric supporting leg, the slide rail, the link, electric drive wheel, electric capstan, the couple, grounding module and pushing down the subassembly, be equipped with the slide rail between two electric supporting leg upper portions, slide rail upper portion slidingtype is connected with the link, link upper portion both sides all rotate and are connected with electric drive wheel, two electric drive wheels all contact with the interior bottom of slide rail, the link lower part is equipped with electric capstan, it has the steel cable rope to wind on the electric capstan, the lower extreme of steel cable rope is equipped with the couple, grounding module sets up in two electric supporting leg lower parts, pushing down the subassembly and setting up on grounding module.
Optionally, the grounding subassembly is including electric putter, promote the frame, the ground connection wheel pole, gear one and rack, two electric leg lower parts all are equipped with electric putter, two electric putter's telescopic link is connected with two electric leg slidingtype respectively, all be equipped with the promotion frame on two electric putter's the telescopic link, all open the guide way on two promotion frame lower parts, two both sides of two electric leg are all rotationally connected with the ground connection wheel pole, two ground connection wheel poles that are located on same electric leg are a set of, two ground connection wheel pole upper portions in every group all are equipped with the universal wheel, two ground connection wheel pole lower parts in every group all are equipped with gear one, two rack that two electric leg are close to each other are connected with two rack on one side, two rack that are located on same electric leg are a set of two rack that are in every group are the symmetry setting, two rack's that the rack's that are close to each other one side all rotate and are connected with the wheel, the wheel that the wheel of two rack in every group is located the guide way of same side, gear one and rack meshing.
Optionally, the pushing component is including pushing down frame, holding down plate and pressure spring, and two promotion frame upper portions all are equipped with down the frame, push down the frame and be connected with electronic landing leg slidingtype, and the upper surface on upper portion all is equipped with the dull polish piece one in two lower frames, and slide rail upper portion slidingtype is connected with the holding down plate, and holding down plate both sides lower surface all is equipped with dull polish piece two, and two dull polish pieces of pushing down the frame are contacted with two dull polish pieces two of holding down plate respectively for a while, are connected with four pressure springs between holding down plate and the slide rail.
Optionally, the anti-deflection device further comprises an anti-deflection assembly, the anti-deflection assembly is arranged on one side of the connecting frame, the anti-deflection assembly comprises a locking frame, a horizontal spring, an anti-deflection rod, a vertical spring and an anti-deflection frame, one side of the connecting frame is connected with the locking frame in a sliding mode, a bevel block is arranged on the lower portion of the locking frame, an inclined plane is arranged on the upper portion of the locking frame, the horizontal spring is connected between one side of the locking frame and the connecting frame, the anti-deflection rod is connected with the anti-deflection rod in a sliding mode, the anti-deflection rod penetrates through the locking frame, a bevel tooth groove is formed in the lower portion of the anti-deflection rod, the bevel tooth groove of the anti-deflection rod is in contact with the bevel block of the locking frame, the vertical spring is connected between the lower portion of the anti-deflection rod and one side of the connecting frame, and a steel rope on the electric winch penetrates through the anti-deflection frame.
Optionally, still including pressing the subassembly, pressing the subassembly and setting up in preventing inclined to one side frame one side, pressing the subassembly including the pivot, press the board, gear two, drive rack and reset spring, prevent inclined to one side frame one side rotation type and be connected with two pivots, two pivots are the symmetry setting, all be equipped with the press board in two pivots, two press boards all are the rubber material, two press boards one side bottoms that keep away from each other all are the profile of tooth, one side of two pivots all is equipped with gear two, prevent inclined to one side frame one side slidingtype and be connected with drive rack, drive rack all meshes with two gear two, be connected with reset spring between drive rack and the inclined to one side frame.
Optionally, the device further comprises balancing weights and guide wheels, wherein the lower parts of the two grounding wheel rods in each group are connected with the balancing weights in a sliding mode, one sides, away from each other, of the two balancing weights in each group are connected with the two guide wheels in a rotating mode, and the two balancing weights in each group are in contact with the grounding wheel rods.
Optionally, the device further comprises a clamping plate and torsion springs, wherein the clamping plate is rotatably connected to the upper parts of the two pressing plates, and the torsion springs are connected between the two sides of the clamping plate and the upper parts of the pressing plates.
Optionally, the two clamping plates are made of rubber, and the lower parts of the two clamping plates are tooth-shaped.
The invention has the following beneficial effects: firstly, the telescopic rod of the electric push rod drives the pushing frame to move downwards, so that the rack frame drives the gear I to rotate, and then the two groups of ground connection wheel rods are driven to swing downwards, so that the universal wheels of the two groups of ground connection wheel rods are in contact with the ground, the two electric supporting legs are enabled to be more stable when moving, meanwhile, the pushing frame is driven to move downwards through the pushing frame, the lower pressing plate is driven to move downwards, the lower pressing plate can prop against the two electric driving wheels, the two electric driving wheels can not rotate when the electric supporting legs move, further, a heavy object on the hook is enabled to be more stable when moving, friction force between the lower pressing frame and the lower pressing plate can be increased due to contact between the first abrasive sheet on the lower pressing frame and the second abrasive sheet on the lower pressing plate, the lower pressing frame is enabled to be more stable when contacting with the lower pressing plate, and the lower pressing plate can be more fully propped against the electric driving wheels, sliding of the electric driving wheels when the electric supporting legs move is avoided as much as possible, and the heavy object on the hook is enabled to be safer when moving.
Secondly, when the lower pressing plate moves downwards, the lower pressing plate moves downwards to be in contact with the hook, the lower pressing plate can prop against the electric driving wheel, meanwhile, the anti-deflection rod and the anti-deflection frame limit the steel rope of the electric winch, shaking of the steel rope of the electric winch when the electric supporting leg moves is reduced, the phenomenon that a heavy object on the hook shakes during movement is avoided as much as possible, the heavy object falls down in advance, and stability of the heavy object on the hook during movement is improved.
Finally, when the deviation prevention frame moves downwards, the deviation prevention frame drives two rotating shafts, two pressing plates, two gears II and a driving rack to move downwards, and a heavy object on the hook props against the driving rack, so that the gears II are driven to rotate, and the pressing plates are driven to swing downwards, so that the heavy object on the hook can be clamped when the electric supporting leg drives the heavy object to move, the heavy object on the hook is enabled to be more stable when moving, and the safety of the heavy object lifting process is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic partial perspective view of a grounding assembly according to the present invention.
Fig. 3 is a schematic view of a partial perspective structure of the present invention.
Fig. 4 is a schematic view of a partial perspective structure of a grounding assembly and a pressing assembly of the present invention.
Fig. 5 is a schematic view of a part of the perspective structure of the pressing component and the anti-sway component of the present invention.
Fig. 6 is a schematic perspective view of the lower plate and the compression spring of the present invention.
Fig. 7 is a schematic perspective view of a pressing frame according to the present invention.
Fig. 8 is a schematic view of a partial perspective structure of an anti-sway module of the present invention.
Fig. 9 is a schematic partial perspective view of the anti-sway module and the pressing module according to the present invention.
Fig. 10 is a schematic perspective view of the pressing plate, the clamping plate and the torsion spring of the present invention.
Meaning of reference numerals in the drawings: 1: electric support leg, 2: slide rail, 3: connecting frame, 4: electric drive wheel, 5: electric winch, 6: hook, 71: electric putter, 72: pushing frame, 73: ground wheel lever, 74: gear one, 75: rack, 81: pressing down frame, 82: lower platen, 83: compression spring, 91: locking frame, 92: horizontal spring, 93: anti-deflection lever, 94: vertical spring, 95: deviation prevention frame, 101: rotating shaft, 102: pressing plate, 103: gears two, 104: drive rack, 105: return spring, 11: balancing weight, 12: guide wheel, 13: cardboard, 14: and a torsion spring.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Embodiment 1A movable heavy object promotes portal frame, as shown in fig. 1-10, including electric supporting leg 1, slide rail 2, link 3, electric drive wheel 4, electric capstan 5, couple 6, grounding component and pushing down the subassembly, the welding has slide rail 2 between two electric supporting leg 1 upper portions, slide rail 2 upper portion slidingtype is connected with link 3, electric drive wheel 4 is connected with in both sides of link 3 upper portion, electric supporting leg 1 and electric drive wheel 4 are used for driving the heavy object to remove, two electric drive wheels 4 all contact with the interior bottom of slide rail 2, the link 3 lower part is through bolted connection has electric capstan 5, electric capstan 5 is used for driving the heavy object to rise or fall, the steel cable rope winds on the electric capstan 5, the lower extreme of steel cable rope is equipped with couple 6, make electric supporting leg 1 and ground contact's more grounding component set up in two electric supporting leg 1 lower parts, be used for fixing electric drive wheel 4 pushing down the subassembly and setting up on the grounding component.
The grounding assembly comprises an electric push rod 71, push frames 72, grounding wheel rods 73, a first gear 74 and a rack 75, wherein the lower parts of the two electric support legs 1 are welded with the electric push rod 71, telescopic rods of the two electric push rods 71 are respectively connected with the two electric support legs 1 in a sliding mode, the telescopic rods of the two electric push rods 71 are connected with the push frames 72 through rivets, guide grooves are formed in the two push frames 72, the two sides of the two electric support legs 1 are rotatably connected with the grounding wheel rods 73, the two grounding wheel rods 73 on the same electric support leg 1 are in a group, universal wheels are arranged on the upper parts of the two grounding wheel rods 73 in each group, the lower parts of the two grounding wheel rods 73 in each group are connected with the first gear 74 through flat keys, the two racks 75 are connected on one side of the two electric support legs 1, the two racks 75 in each group are symmetrically arranged, the two racks 75 in each group are rotatably connected with the two racks 75 on one side of each group, and the two racks 75 in each group are engaged with the guide grooves on the other.
The lower pressing assembly comprises a lower pressing frame 81, lower pressing plates 82 and pressure springs 83, wherein the lower pressing frame 81 is connected to the upper parts of the two pushing frames 72 through bolts, the lower pressing frame 81 is connected with the electric supporting leg 1 in a sliding mode, the first abrasive sheets are arranged on the upper surfaces of the upper parts in the two lower pressing frames 81, the lower pressing plates 82 are connected to the upper parts of the sliding rails 2 in a sliding mode, the second abrasive sheets are arranged on the lower surfaces of the two sides of the lower pressing plates 82, the first abrasive sheets of the two lower pressing frames 81 are respectively contacted with the second abrasive sheets of the lower pressing plates 82, and the four pressure springs 83 are connected between the lower pressing plates 82 and the sliding rails 2 through hooks.
Firstly, a weight to be moved is hung on a hook 6 manually, two electric driving wheels 4 and an electric winch 5 are started, the electric winch 5 can retract a steel rope, the steel rope of the electric winch 5 drives the hook 6 and the weight on the hook 6 to move upwards until the weight on the hook 6 is lifted to a proper position, meanwhile, the two electric driving wheels 4 can drive a connecting frame 3, the electric winch 5 and the hook 6 to move along a sliding rail 2, the weight moves along the sliding rail 2 along the upward movement direction until the weight moves to a proper position, then two electric push rods 71 are started manually, the telescopic rods of the two electric push rods 71 can shrink, the telescopic rods of the electric push rods 71 drive a pushing frame 72 to move downwards, guide grooves on the pushing frame 72 are contacted with wheels of two racks 75 in each group, the pushing frame 72 moves downwards to press the wheels of the two racks 75 in each group and drive the two racks 75 in each group to move in the direction away from each other, the two racks 75 in each group are respectively meshed with the two first gears 74 in each group, the two racks 75 in each group respectively drive the two first gears 74 to rotate, the two first gears 74 in each group respectively drive the two grounding wheel rods 73 in each group to swing in the direction away from each other, universal wheels of the two grounding wheel rods 73 in each group are contacted with the ground, meanwhile, the two pushing frames 72 respectively drive the two pressing frames 81 to move downwards, the first grinding sheets of the two pressing frames 81 respectively contact with the second grinding sheets at two sides of the pressing plate 82, the two pressing frames 81 drive the pressing plate 82 to move downwards, the four pressure springs 83 are compressed, the pressing plate 82 is contacted with the two electric driving wheels 4 and props against the two electric driving wheels 4, so that the two electric driving wheels 4 can not rotate any more, and then make two electric drive wheels 4 can no longer drive link 3, electric capstan 5, couple 6 to remove, the manual work closes two electric drive wheels 4 and electric capstan 5 this moment, immediately starts two electric landing legs 1, two electric landing legs 1 drive slide rail 2, link 3, two electric drive wheels 4, electric capstan 5, couple 6, two electric putter 71, two pushing frame 72, two ground connection wheel pole 73, four gears one 74, four rack 75, two hold-down frame 81 and holding down plate 82 move to the position that needs to put down the heavy object.
Then the two electric supporting legs 1 and the two electric push rods 71 are manually closed again, the two electric supporting legs 1 do not move any more, the telescopic rods of the two electric push rods 71 extend, the telescopic rods of the electric push rods 71 drive the pushing frames 72 to move upwards, the pushing frames 72 squeeze the wheels of the two racks 75 in each group again and drive the two racks 75 in each group to move towards the direction of approaching each other, the two racks 75 respectively drive the two groups of gears one 74 to rotate reversely, the gear one 74 drives the two grounding wheel rods 73 in each group to swing towards the direction of approaching each other, universal wheels of the two grounding wheel rods 73 in each group are separated from the ground, meanwhile, the pushing frames 72 drive the two pressing frames 81 to move upwards, the first abrasive pieces of the two pressing frames 81 are separated from the second abrasive pieces on two sides of the pressing plates 82 respectively, the four pressure springs 83 reset and drive the pressing plates 82 to move upwards, the lower pressing plate 82 is separated from the two electric driving wheels 4, the lower pressing plate 82 does not prop against the two electric driving wheels 4 any more, then the two electric driving wheels 4 and the electric winch 5 are started again manually, the electric winch 5 can discharge a steel rope, so that the steel rope of the electric winch 5 drives the hook 6 and the weight on the hook 6 to move downwards until the weight on the hook 6 falls back to the ground, meanwhile, the two electric driving wheels 4 can drive the connecting frame 3, the electric winch 5 and the hook 6 to move reversely along the sliding rail 2, so that the weight moves downwards along the sliding rail 2 until the weight moves to a proper position on the ground, then the weight is taken down again manually, and the weight to be moved is hung on the hook 6 again, so that the electric winch 5 reciprocates, the telescopic rod of the electric push rod 71 drives the pushing frame 72 to move downwards, so that the rack 75 drives the gear one 74 to rotate, and then drive two sets of ground connection wheel bars 73 downward swinging for the universal wheel and the ground contact of two sets of ground connection wheel bars 73, with this makes two electronic landing legs 1 more steady when moving, simultaneously drive down the frame 81 through pushing away the frame 72 and move down, thereby drive down clamp plate 82 and move down, lower clamp plate 82 can support two electronic drive wheels 4, make two electronic drive wheels 4 can not rotate when electronic landing leg 1 moves, and then make the heavy object on the couple 6 more steady when moving, and the frictional force between the frame 81 and the lower clamp plate 82 can be increased to the abrasive sheet second contact on the frame 81 that pushes down, and then make the frame 81 more firm with the lower clamp plate 82 contact, and then make the lower clamp plate 82 can more abundant support electronic drive wheel 4, avoid electronic drive wheel 4 to take place the slip when electronic landing leg 1 moves as far as possible, make the heavy object on the couple 6 safer when moving.
Embodiment 2 based on embodiment 1, as shown in fig. 5-9, the electric winch further comprises an anti-deflection component, the anti-deflection component is arranged on one side of the connecting frame 3, the anti-deflection component comprises a locking frame 91, a horizontal spring 92, an anti-deflection rod 93, a vertical spring 94 and an anti-deflection frame 95, one side of the connecting frame 3 is slidably connected with the locking frame 91, a bevel gear block is arranged at the lower part of the locking frame 91, an inclined plane is arranged at the upper part of the locking frame 91, one side of the locking frame 91 is connected with the horizontal spring 92 through a hook, one side of the connecting frame 3 is slidably connected with the anti-deflection rod 93, the anti-deflection rod 93 is used for limiting a steel rope on the electric winch 5, the anti-deflection rod 93 is vertically arranged, the anti-deflection rod 93 penetrates through the locking frame 91, a bevel gear groove is formed in the lower part of the anti-deflection rod 93, the bevel gear groove is in contact with the bevel gear block of the locking frame 91, a vertical spring 94 is connected between the lower part of the anti-deflection rod 93 and one side of the connecting frame 3, the lower part of the anti-deflection rod 93 is welded with the anti-deflection frame 95, and the rope on the electric winch 5 penetrates through the anti-deflection frame 95.
Initially, the tapered tooth groove of the anti-deflection rod 93 is contacted with the tapered tooth block of the locking frame 91, the vertical spring 94 is compressed, when the lower pressing plate 82 moves downwards, the lower pressing plate 82 contacts with the inclined surface of the locking frame 91, the lower pressing plate 82 presses the inclined surface of the locking frame 91, the lower pressing plate 82 drives the locking frame 91 to move away from the sliding rail 2, the horizontal spring 92 is compressed, the tapered tooth groove of the anti-deflection rod 93 is separated from the tapered tooth block of the locking frame 91, the tapered tooth block of the locking frame 91 no longer clamps the tapered tooth groove of the anti-deflection rod 93, the vertical spring 94 resets and drives the anti-deflection rod 93 and the anti-deflection frame 95 to move downwards, the lower part of the anti-deflection frame 95 contacts with the upper part of the hook 6, then the weight on the hook 6 is driven by the electric supporting leg 1 to a proper position where the weight needs to be put down, the anti-deflection rod 93 and the anti-deflection frame 95 limit the rope of the electric winch 5 when the electric supporting leg 1 moves, the steel rope 5 is put down, the wire rope of the electric winch 5 drives the hook 6 to move downwards, the upper part of the hook 6 is separated from the lower part of the anti-deflection frame 95, when the electric winch 5 is retracted with the wire rope, the wire rope of the electric winch 5 drives the hook 6 to move upwards, the upper part of the hook 6 is contacted with the lower part of the anti-deflection frame 95 again, then the electric winch 5 is continued to retract the wire rope, the hook 6 drives the anti-deflection frame 95 and the anti-deflection rod 93 to move upwards, the vertical spring 94 is compressed again, the lower pressing plate 82 moves upwards, the lower pressing plate 82 is separated from the inclined surface of the locking frame 91, the lower pressing plate 82 does not press the inclined surface of the locking frame 91 any more, the horizontal spring 92 is reset and drives the locking frame 91 to move towards the direction approaching to the slide rail 2, the tapered tooth groove of the anti-deflection rod 93 is contacted with the tapered tooth block of the locking frame 91 again, the tapered tooth block of the locking frame 91 clamps the tapered tooth groove of the anti-deflection rod 93 again, then the electric winch 5 is started again manually, the cable rope of electric capstan 5 is paid out again, so, through preventing off-set frame 95 downwardly moving to contact with couple 6, can make prevent off-set pole 93 and prevent off-set frame 95 carry out spacingly to the cable rope of electric capstan 5 when holding down plate 82 supports electric drive wheel 4, reduce the rocking of electric capstan 5 cable rope when electric landing leg 1 removes, thereby avoid the heavy object on couple 6 to take place to rock when removing as far as possible and lead to the heavy object to drop in advance, improve the stability of the heavy object on couple 6 when removing.
Embodiment 3, on the basis of embodiment 2, as shown in fig. 8-10, the anti-deflection rack further comprises a pressing component, the pressing component is arranged on one side of the anti-deflection rack 95, the pressing component comprises a rotating shaft 101, a pressing plate 102, a second gear 103, a driving rack 104 and a return spring 105, two rotating shafts 101 are rotatably connected on one side of the anti-deflection rack 95, the two rotating shafts 101 are symmetrically arranged, pressing plates 102 are connected on the two rotating shafts 101 through rivets, the two pressing plates 102 are made of rubber materials, bottoms of the sides of the two pressing plates 102, which are far away from each other, are toothed, one sides of the two rotating shafts 101 are connected with the second gear 103 through flat keys, the driving rack 104 is slidably connected with the second gear 103, and the driving rack 104 is meshed with the second gear 103, and the return spring 105 is connected between the driving rack 104 and the anti-deflection rack 95 through a hook.
When the anti-deflection frame 95 moves downwards, the anti-deflection frame 95 drives the two rotating shafts 101, the two pressing plates 102, the two gears 103 and the driving rack 104 to move downwards, the driving rack 104 can be in contact with a heavy object on the hook 6, the heavy object on the hook 6 can prop against the driving rack 104 and drive the driving rack 104 to move upwards, the reset spring 105 is compressed, the driving rack 104 is meshed with the two gears 103, the driving rack 104 drives the two gears 103 to rotate in opposite directions, the gears 103 drive the pressing plates 102 to swing downwards, tooth shapes on the two pressing plates 102 can clamp the heavy object on the hook 6, then the electric winch 5 releases a steel rope, the driving rack 104 can be separated from the heavy object on the hook 6, the heavy object on the hook 6 is not propped against the driving rack 104, the reset spring 105 can reset and drive the driving rack 104 to move downwards, the two gears 103 are driven to rotate reversely in opposite directions, the tooth shapes on the two pressing plates 102 are not clamped with the heavy object on the hook 6, and the heavy object on the hook 6 can be stably swung downwards through the heavy object on the hook 6, and the electric winch 5 can be driven to move the hook 6 more safely and stably when the hook 6 is driven to swing downwards.
Embodiment 4 based on embodiment 3, as shown in fig. 4, the device further comprises a balancing weight 11 and a guiding wheel 12, wherein the lower parts of the two grounding wheel rods 73 in each group are connected with the balancing weight 11 in a sliding mode, one side, away from each other, of the two balancing weights 11 in each group is connected with the two guiding wheels 12 in a rotating mode, and the two balancing weights 11 in each group are in contact with the grounding wheel rods 73.
When two ground connection wheel bars 73 in each group swing towards the direction that is kept away from each other, ground connection wheel bars 73 drive two balancing weights 11 in each group swing towards the direction that is kept away from each other, balancing weights 11 can move along ground connection wheel bars 73 towards the direction that is close to the ground under the effect of gravity for eight leading wheels 12 rotate, four balancing weights 11 can make the focus of two electric supporting legs 1 move down, when two ground connection wheel bars 73 in each group swing towards the direction that is close to each other, two balancing weights 11 in each group swing towards the direction that is close to each other, balancing weights 11 can move towards the direction that is close to the ground again along ground connection wheel bars 73 under the effect of gravity, eight leading wheels 12 rotate again, four balancing weights 11 no longer make the focus of two electric supporting legs 1 move down, so, can increase the weight that ground connection wheel bars 73 are close to one end of universal wheels when two electric supporting legs 1 move down, make two electric supporting legs 1 move more firmly, and further improve the stability when the weight 6 moves on the hook.
Embodiment 5 based on embodiment 4, as shown in fig. 10, the device further comprises a clamping plate 13 and a torsion spring 14, wherein the clamping plate 13 is rotatably connected to the upper parts of the two pressing plates 102, the two clamping plates 13 are made of rubber, the lower parts of the two clamping plates 13 are tooth-shaped, and the torsion spring 14 is connected between the two sides of the clamping plate 13 and the upper part of the pressing plate 102 through hooks.
When two pressing plates 102 swing downwards, the pressing plates 102 drive clamping plates 13 to swing downwards, the two clamping plates 13 are in contact with weights on the hooks 6, the weights on the hooks 6 can prop against the two clamping plates 13 and drive the two clamping plates 13 to swing upwards, four torsion springs 14 are twisted tightly, the two clamping plates 13 can clamp the weights on the hooks 6 in advance, when the two pressing plates 102 swing upwards, the two clamping plates 13 are separated from the weights on the hooks 6, the four torsion springs 14 can reset and drive the two clamping plates 13 to swing downwards, so that the weights on the hooks 6 can be further clamped, the weights on the hooks 6 are more stable in the subsequent moving process, and the stability of the weights on the hooks 6 in moving is further improved.
While the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the following claims. Accordingly, the detailed description of the disclosed embodiments is to be taken only by way of illustration and not by way of limitation, and the scope of protection is defined by the content of the claims.
Claims (8)
1. A movable heavy object promotes portal frame, characterized by: including electric landing leg (1), slide rail (2), link (3), electric drive wheel (4), electric capstan (5), couple (6), grounding module and hold-down subassembly, be equipped with slide rail (2) between two electric landing leg (1) upper portions, slide rail (2) upper portion slidingtype are connected with link (3), link (3) upper portion both sides all rotate and are connected with electric drive wheel (4), two electric drive wheel (4) all contact with the interior bottom of slide rail (2), link (3) lower part is equipped with electric capstan (5), it has the steel cable rope to wind on electric capstan (5), the lower extreme of steel cable rope is equipped with couple (6), grounding module sets up in two electric landing leg (1) lower parts, grounding module makes electric landing leg (1) more with ground contact's position, hold-down subassembly sets up on grounding module, hold-down subassembly is used for fixing electric drive wheel (4).
2. A movable weight lifting gantry according to claim 1, wherein: the ground connection subassembly is including electric putter (71), promote frame (72), ground connection wheel pole (73), gear one (74) and rack (75), two electric supporting leg (1) lower parts all are equipped with electric putter (71), telescopic link of two electric putter (71) is connected with two electric supporting leg (1) slidingtype respectively, all be equipped with on the telescopic link of two electric putter (71) and promote frame (72), all open on two promotion frames (72) and have the guide way, the both sides of two electric supporting leg (1) are all rotationally connected with ground connection wheel pole (73), two ground connection wheel poles (73) that are located on same electric supporting leg (1) are a set of, two ground connection wheel pole (73) upper portions in every group all are equipped with the universal wheel, two ground connection wheel pole (73) lower part in every group all are equipped with gear one (74), all slidingtype connection has two rack (75) on the one side that two electric supporting leg (1) are close to each other, two rack (75) that are located on same electric supporting leg (1) are in the group of two rack (75) are the guide way, two sets of wheels (75) are located two sets of wheels (75) of mutual engagement, every side of rack (75) are located two sets of wheels (75) and are close to each other.
3. A movable weight lifting gantry according to claim 2, wherein: the lower pressing assembly comprises a lower pressing frame (81), a lower pressing plate (82) and pressure springs (83), wherein the lower pressing frame (81) is arranged on the upper portions of the two pushing frames (72), the lower pressing frames (81) are connected with the electric supporting legs (1) in a sliding mode, the first abrasive sheets are arranged on the lower surfaces of the upper portions of the two lower pressing frames (81), the lower pressing plates (82) are connected with the upper portions of the sliding rails (2) in a sliding mode, the second abrasive sheets are arranged on the upper surfaces of the two sides of the lower pressing plates (82), the abrasive sheets of the two lower pressing frames (81) are respectively contacted with the second abrasive sheets of the lower pressing plates (82), and four pressure springs (83) are connected between the lower pressing plates (82) and the sliding rails (2).
4. A movable weight lifting gantry according to claim 3, characterized in that: the anti-deflection device comprises a connecting frame (3), and is characterized by further comprising an anti-deflection assembly, wherein the anti-deflection assembly is arranged on one side of the connecting frame (3), the anti-deflection assembly comprises a locking frame (91), a horizontal spring (92), an anti-deflection rod (93), a vertical spring (94) and an anti-deflection frame (95), one side of the connecting frame (3) is connected with the locking frame (91) in a sliding mode, a bevel gear block is arranged on the lower portion of the locking frame (91), an inclined plane is arranged on the upper portion of the locking frame (91), the horizontal spring (92) is connected between one side of the locking frame (91) and the connecting frame (3), one side of the connecting frame (3) is connected with the anti-deflection rod (93) in a sliding mode, the anti-deflection rod (93) is arranged vertically, the anti-deflection rod (93) penetrates through the locking frame (91), a bevel gear groove of the anti-deflection rod (93) is in contact with the bevel gear block of the locking frame (91), the lower portion of the anti-deflection rod (93) is connected with the bevel gear block of the connecting frame (3), the vertical spring (94) is arranged on one side of the anti-deflection rod (93), and one side of the electric winch (5) is connected with the anti-deflection frame (95).
5. A movable weight lifting gantry according to claim 4, wherein: still including pressing the subassembly, pressing the subassembly and setting up in preventing inclined to one side frame (95) one side, pressing the subassembly including pivot (101), pressing plate (102), gear two (103), drive rack (104) and reset spring (105), prevent inclined to one side frame (95) one side rotation type is connected with two pivots (101), two pivots (101) are the symmetry setting, all be equipped with pressing plate (102) on two pivots (101), two pressing plate (102) are the rubber material, one side bottom that two pressing plate (102) kept away from each other all is the profile of tooth, one side of two pivots (101) all is equipped with gear two (103), prevent inclined to one side frame (95) one side sliding connection has drive rack (104), drive rack (104) all mesh with two gear two (103), be connected with reset spring (105) between drive rack (104) and the inclined to one side frame (95).
6. A movable weight lifting gantry according to claim 5, wherein: the device is characterized by further comprising balancing weights (11) and guide wheels (12), wherein the lower parts of the two grounding wheel rods (73) in each group are connected with the balancing weights (11) in a sliding mode, one sides, away from each other, of the two balancing weights (11) in each group are connected with the two guide wheels (12) in a rotating mode, and the two balancing weights (11) in each group are in contact with the grounding wheel rods (73).
7. A movable weight lifting gantry according to claim 6, wherein: the novel pressing device is characterized by further comprising a clamping plate (13) and torsion springs (14), wherein the clamping plate (13) is rotatably connected to the upper parts of the two pressing plates (102), and the torsion springs (14) are connected between the two sides of the clamping plate (13) and the upper parts of the pressing plates (102).
8. A movable weight lifting gantry according to claim 4, wherein: the two clamping plates (13) are made of rubber, and the lower parts of the two clamping plates (13) are tooth-shaped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311210771.9A CN116946888B (en) | 2023-09-20 | 2023-09-20 | Movable heavy object promotes portal frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311210771.9A CN116946888B (en) | 2023-09-20 | 2023-09-20 | Movable heavy object promotes portal frame |
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| CN116946888B CN116946888B (en) | 2023-12-15 |
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| Publication number | Publication date |
|---|---|
| CN116946888B (en) | 2023-12-15 |
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