CN111960278B - Easy-to-operate anti-deflection crane - Google Patents
Easy-to-operate anti-deflection crane Download PDFInfo
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- CN111960278B CN111960278B CN202010895015.4A CN202010895015A CN111960278B CN 111960278 B CN111960278 B CN 111960278B CN 202010895015 A CN202010895015 A CN 202010895015A CN 111960278 B CN111960278 B CN 111960278B
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- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 73
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 15
- 208000027418 Wounds and injury Diseases 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 8
- 208000014674 injury Diseases 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 5
- 210000000078 claw Anatomy 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an easy-to-operate anti-deflection crane in the technical field of cranes, which comprises a lifting mechanism and a positioning mechanism, wherein the positioning mechanism is arranged below the front side of the lifting mechanism, the lifting mechanism comprises a movable crane, the movable crane is arranged at the top of a crane body, and the top of the movable crane is provided with a travelling mechanism; according to the invention, after the moving mechanism moves to the material hooking position, the material is hooked, the positioning mechanism is used for positioning the hook claw, and the moving mechanism drives the material on the hook claw to move to the material discharging position, so that deflection of the crane in the material loading and unloading process is avoided, the accuracy of conveying the material is ensured, the reliability of integral conveying is improved, the moving material is automatically separated from the positioning mechanism to perform stable material discharging after being in place, personnel cooperation is not needed, personnel injury is avoided, and the operation difficulty of operators is reduced.
Description
Technical Field
The invention relates to the field of cranes, in particular to an easy-to-operate anti-deflection crane.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying a weight within a certain range. Various types of cranes have long been used in factories, ship terminals, petrochemical industry and other working environments for material handling and loading and unloading.
However, deflection easily occurs in the process of loading and unloading materials of the existing crane, so that the accuracy of transporting the materials is reduced, the reliability of overall transportation is affected, and after moving the materials in place, the moving materials are required to be manually matched for positioning, so that personnel injury is easily caused, and the operation difficulty of operators is increased.
Based on the above, the invention designs an easy-to-operate anti-deflection crane to solve the problems.
Disclosure of Invention
The invention aims to provide an easy-to-operate deflection-preventing crane, which solves the problems that in the prior art, deflection is easy to occur in the process of loading and unloading materials, so that the accuracy of transporting the materials is reduced, the reliability of integral transportation is affected, and the moving materials are required to be manually matched for positioning after being in place, so that personnel injury is easy to be caused, and the operation difficulty of operators is increased.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an easy-to-operate anti-deflection crane, includes hoisting mechanism and positioning mechanism, positioning mechanism sets up in hoisting mechanism's front side below, hoisting mechanism includes the removal line frame, the removal line frame sets up at hoist body top, the removal line frame top is equipped with the line and moves the mechanism, removal line frame top rear side fixedly connected with first motor, the output shaft of first motor has the reduction gear, reduction gear fixedly connected with is in removal line frame top left side, the output shaft fixedly connected with reel of reduction gear, the reel rotates and connects at removal line frame top, removal line frame top front side fixedly connected with two sets of L type deflector, all rotates jointly between the L type deflector and is connected with first guide pulley, two sets of L type deflector front side fixedly connected with return shape support jointly, return shape support inside rotates and is connected with the second guide pulley, be equipped with two lifting wheels directly below, two jointly rotate between the lifting wheels and be connected with first pivot, rectangle pivot below the first pivot is through rectangle lifter plate fixedly connected with rectangular lifter plate, lifter plate fixedly connected with bottom adjusting block;
the positioning mechanism comprises two L-shaped connecting plates, the two L-shaped connecting plates are fixedly connected to the front side of the bottom of the movable frame, the front ends of the two L-shaped connecting plates are fixedly connected with positioning guide blocks, guiding inclined sliding grooves are formed in the two positioning guide blocks, two rollers are matched in the guiding inclined sliding grooves, positioning bolts are rotationally connected with the two rollers through a second rotating shaft, slots which are in sliding fit with the positioning bolts are formed in two sides of the lifting plate, through grooves for the positioning bolts to slide up and down are formed in the positioning guide blocks, T-shaped sliding grooves are formed in the two positioning guide blocks, positioning rings are in sliding fit with the T-shaped sliding grooves, positioning arc blocks which are in sliding fit with the positioning bolts are fixedly connected to the two lifting plates, and a guiding mechanism is fixedly connected to the bottom of the positioning guide blocks;
during operation, due to the fact that deflection easily occurs in the process of loading and unloading materials of the existing crane, the accuracy of the transported materials is reduced, the reliability of overall transportation is affected, manual cooperation is needed for positioning after the moving materials are in place, personnel injury is easily caused, the operation difficulty of operators is increased, the moving frame is controlled to be above the materials through the control moving mechanism, the first motor rotates, the winding drum is driven to rotate through the speed reducer to loosen the steel wire rope, the steel wire rope drives the winding drum to rotate through the first guide wheel and the second guide wheel between the two L-shaped guide plates, the two lifting wheels are driven to move downwards smoothly together, the lifting plate is driven to descend through the first rotating shaft, the lifting plate drives the lifting hook to descend through the rectangular adjusting block, when the lifting plate descends, the two positioning bolts slide downwards in the guide inclined sliding grooves through the second rotating shaft and the two rollers, the positioning bolts slide outwards slowly in the positioning rings, when the positioning bolts move to the bottoms of the through grooves, the lifting hook continues to descend and hook the materials, the first motor rotates to drive the winding drum to rotate through the speed reducer, the lifting hook drives the winding drum to rotate, the lifting hook is driven to move upwards through the rectangular adjusting block to slide upwards through the two guide wheels, the two positioning bolts slide upwards in the two positioning bolts slide downwards in the guide grooves simultaneously, the two positioning bolts slide downwards when the two positioning bolts slide upwards through the two positioning bolts are positioned in the two positioning bolts, the two positioning bolts slide upwards and downwards through the two positioning bolts are positioned in the two positioning bolts, and the two positioning bolts are separated from the lifting guide plates are separated from each other, and the lifting hook is separated from the lifting plate to rotate, and the lifting hook is rotated and the lifting wire is rotated to rotate, and the lifting wire. The moving mechanism is started to drive the moving frame to move to the blanking position, the positioning bolt is used for lifting and hooking, in the moving process, the lifting and hooking cannot swing, after reaching the blanking position, the lifting and hooking is slowly put down by the same way, the first motor rotates, the material is stably and accurately placed at the blanking position, so that deflection of the crane cannot occur in the process of loading and unloading the material, the accuracy of conveying the material is guaranteed, the reliability of integral conveying is improved, the moving material is automatically separated from the positioning mechanism to stabilize the blanking after being in place, personnel cooperation is not needed, personnel injury is not caused, and the operation difficulty of operators is reduced.
As a further scheme of the invention, three compression springs are fixedly connected to the upper parts of the inner sides of the two positioning rings, a first sliding rod is arranged in each compression spring, one end of the first sliding rod penetrates through the positioning ring and is in sliding connection with the positioning ring, the other end of the first sliding rod is fixedly connected with a semi-arc clamping block, the two semi-arc clamping blocks are attached to the two sides of the lifting plate, rectangular grooves are formed in the inner sides of the two semi-arc clamping blocks, rectangular blocks matched with the rectangular grooves are fixedly connected to the tops of the two positioning bolts, and rectangular sliding grooves matched with the rectangular blocks are formed in the lifting plate; during operation, because the lifting hook hooks the material and descends, the first motor starts, the lifting plate can generate larger vibration, the lifting plate can slide left and right on the positioning bolt, when the lifting plate descends, the three compression springs on the positioning ring compress the semi-arc clamping blocks, the lifting plate is compressed, the lifting plate continues to descend, the positioning ring is driven to move downwards together with the first sliding rod and the compression springs on the positioning ring, the compression springs always compress the lifting plate when the lifting plate descends, when the positioning bolt withdraws from the lifting plate, the rectangular block is driven to withdraw, the rectangular block acts on the rectangular groove on the semi-arc clamping blocks, when the positioning bolt is about to withdraw, the semi-arc clamping blocks are driven to open outwards, the compression springs are separated from the lifting plate, when the lifting plate ascends, the positioning bolt is inserted into the lifting plate, the rectangular block enters the rectangular sliding groove, the semi-arc clamping blocks are not acted, the lifting plate is clamped again under the action of the compression springs, the left and right movement of the lifting plate is prevented, and therefore the lifting plate is limited to slide left and right when the lifting plate is driven to ascend or descend, and the material is more firmly slid on the positioning bolt.
As a further scheme of the invention, the guide mechanism comprises four guide plates, wherein the four guide plates are all right-angle, the inside of each guide plate is an outwards inclined guide surface, and the four guide plates are all fixedly connected to the side wall of the positioning guide block; during operation, because the lifting hook is hooking the material and lifting, the material can vibrate in the lifting process, and the material cannot accurately enter the positioning position between the two positioning guide blocks, when the lifting hook hooks the material and lifting, the lifting plate acts on the inner guiding surfaces of the four guiding plates in the lifting process, so that the lifting plate is in a vertical stable state in the slow lifting process, the lifting plate stably lifts the lifting hook through the rectangular adjusting block, and accordingly the lifting plate is guided by the four guiding plates when the lifting hook lifts the material, the lifting plate is slowly and stably matched with the positioning arc blocks on two sides of the lifting plate and the positioning bolt accurately.
As a further scheme of the invention, the left side of the top of the lifting hook is fixedly connected with a positioning seat, the left side of the positioning seat is rotationally connected with a limiting rod through a third rotating shaft, a powerful torsion spring is sleeved on the third rotating shaft, and the top end of the lifting hook is fixedly connected with a positioning block contacted with the bottom of the limiting rod; during operation, because the lifting hook hooks the material, the material can possibly fall off, when the lifting hook hooks the material, the material acts on the limiting rod from the top of the positioning block, so that the limiting rod is overturned, the material enters the lifting hook from between the limiting rod and the positioning block, the limiting rod acts on the positioning block again under the action of the powerful torsion spring, and the lifting hook is sealed, so that the material is lifted to hook and then cannot slide out from the lifting hook.
As a further scheme of the invention, the moving mechanism comprises a second motor, wherein the second motor is fixedly connected to the top of the moving frame, the output shaft of the second motor is fixedly connected with a first gear, the first gear is connected with two second gears through a toothed chain, the two second gears are fixedly connected with rotating shafts, the two rotating shafts are rotatably connected to the bottom of the moving frame, and the two ends of each rotating shaft are fixedly connected with moving wheels; during operation, because the movable frame needs to move steadily, through starting the second motor, the output shaft of the second motor rotates and drives the first gear to rotate, and the first gear drives two second gears to rotate simultaneously through the toothed chain, and the second gear rotates and drives four movable wheels to rotate simultaneously through two rotation shafts, so that the movable frame is moved steadily.
As a further scheme of the invention, rectangular mounting grooves are formed in the front and rear parts of the lifting plate, which are close to corners, and a plurality of rollers matched with the guide surface on the inner side of the guide plate are rotatably connected in the rectangular mounting grooves; during operation, because the lifter plate lateral wall is controlled the back with the guide surface of guide board many times, can appear great wearing and tearing, influences the location of follow-up lifter plate, through seting up the rectangle mounting groove around the lifter plate, the swivelling joint has a plurality of rollers in the rectangle mounting groove, acts on with the guide board when the lifter plate rises and makes, and the roller takes place to rotate with the guide surface effect of guide board, reduces the wearing and tearing of lifter plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, after the moving mechanism moves to the material hooking position, the material is hooked, the positioning mechanism is used for positioning the hook claw, and the moving mechanism drives the material on the hook claw to move to the material discharging position, so that deflection of the crane in the material loading and unloading process is avoided, the accuracy of conveying the material is ensured, the reliability of integral conveying is improved, the moving material is automatically separated from the positioning mechanism to perform stable material discharging after being in place, personnel cooperation is not needed, personnel injury is avoided, and the operation difficulty of operators is reduced.
2. When the lifting plate descends, the three compression springs on the positioning ring compress the semi-arc clamping blocks, the rectangular blocks act on the rectangular grooves on the semi-arc clamping blocks, the semi-arc clamping blocks are driven to open outwards to separate from the lifting plate when the positioning bolt is about to withdraw, when the lifting plate ascends, the positioning bolt is inserted into the lifting plate, the rectangular blocks enter the rectangular sliding grooves, the semi-arc clamping blocks clamp the lifting plate again under the action of the compression springs to prevent the lifting plate from moving left and right, and therefore the lifting plate is limited to slide left and right on the positioning bolt when the first motor is started to drive the lifting plate to ascend or descend, and materials are more stable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present invention;
FIG. 4 is a third perspective view of the present invention;
FIG. 5 is a schematic view of the structure of the positioning guide block and the positioning pin of the present invention;
FIG. 6 is a schematic view of a lifter plate structure according to the present invention;
fig. 7 is a schematic view of a lifting hook structure of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
the movable row frame 1, a first motor 2, a speed reducer 3, a winding drum 4, an L-shaped guide plate 5, a first guide wheel 6, a return support 7, a second guide wheel 8, a lifting wheel 9, a first rotating shaft 10, a rectangular connecting block 11, a lifting plate 12, a rectangular adjusting block 13, a lifting hook 14, an L-shaped connecting plate 15, a positioning guide block 16, a guiding inclined chute 17, a roller 18, a second rotating shaft 19, a positioning bolt 20, a through groove 21, a T-shaped chute 22, a positioning ring 23, a positioning arc block 24, a compression spring 25, a first slide bar 26, a semi-arc clamping block 27, a rectangular groove 28, a rectangular block 29, a rectangular chute 30, a guide plate 31, a positioning seat 32, a third rotating shaft 33, a limiting rod 34, a powerful torsion spring 35, a positioning block 36, a second motor 37, a first gear 38, a toothed chain 39, a second gear 40, a rotating shaft 41, a movable wheel 42, a rectangular mounting groove 43 and a roller 44.
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. 1-7, the present invention provides a technical solution: the utility model provides an easy-to-operate anti-deflection crane, including hoisting mechanism and positioning mechanism, positioning mechanism sets up in hoisting mechanism's front side below, hoisting mechanism includes moving row frame 1, moving row frame 1 sets up at hoist body top, moving row frame 1 top is equipped with moving row mechanism, moving row frame 1 top rear side fixedly connected with first motor 2, the output shaft of first motor 2 has reduction gear 3, reduction gear 3 fixedly connected in moving row frame 1 top left side, reduction gear 3's output shaft fixedly connected with reel 4, reel 4 rotates and connects at moving row frame 1 top, moving row frame 1 top front side fixedly connected with two sets of L type deflector 5, all jointly rotate between the L type deflector of every set 5 and be connected with first guide pulley 6, two sets of L type deflector 5 front side jointly fixedly connected with square support 7, square support 7 inside rotates and is connected with second guide pulley 8, be equipped with two lifting wheels 9 under the second 8, jointly rotate between two lifting wheels 9 and be connected with first pivot 10, the below first pivot 10 is through rectangle lifter plate 11 fixedly connected with rectangular lifter plate 12, rectangle lifter plate 13 fixedly connected with bottom adjusting block 13;
the positioning mechanism comprises two L-shaped connecting plates 15, the two L-shaped connecting plates 15 are fixedly connected to the front side of the bottom of the movable frame 1, the front ends of the two L-shaped connecting plates 15 are fixedly connected with positioning guide blocks 16, guide inclined sliding grooves 17 are formed in the two positioning guide blocks 16, two rollers 18 are matched in the guide inclined sliding grooves 17, positioning bolts 20 are rotatably connected to the two rollers 18 through second rotating shafts 19, slots which are in sliding fit with the positioning bolts 20 are formed in two sides of the lifting plate 12, through grooves 21 for the positioning bolts 20 to slide up and down are formed in the positioning guide blocks 16, T-shaped sliding grooves 22 are formed in the two positioning guide blocks 16, positioning arc-shaped blocks 24 which are in sliding fit with the positioning bolts 20 are fixedly connected to the two lifting plate 12, and a guiding mechanism is fixedly connected to the bottom of the positioning guide blocks 16;
during operation, as deflection easily occurs in the process of loading and unloading materials of the existing crane, the accuracy of transporting the materials is reduced, the reliability of overall transportation is affected, manual cooperation is needed for positioning after the moving materials are in place, personnel injury is easily caused, the operation difficulty of operators is increased, the moving frame 1 is controlled to be above the materials by controlling the moving mechanism, the first motor 2 rotates, the winding drum 4 is driven to rotate by the speed reducer 3 to loosen a steel wire rope, the steel wire rope drives the two lifting wheels 9 to move downwards smoothly together through the first guide wheel 6 and the second guide wheel 8 between the two L-shaped guide plates 5, the two lifting wheels 9 drive the lifting plates 12 to descend through the first rotating shaft 10, the lifting plates 12 drive the lifting hooks 14 to descend through the rectangular adjusting blocks 13, the two positioning bolts 20 are driven to move downwards when the lifting plates 12 descend, the positioning bolts 20 slide downwards in the guide inclined sliding grooves 17 through the second rotating shaft 19 and the two rollers 18, the positioning bolt 20 slides in the positioning ring 23 to be slowly opened outwards, when the positioning bolt 20 moves to the bottom of the through groove 21, the lifting hook 14 is separated from the lifting plate 12, the lifting hook 14 continuously descends to hook materials, after the lifting hook is tightly hooked, the first motor 2 reverses, the winding drum 4 is driven to rotate by the speed reducer 3, the lifting hook 14 is slowly lifted by the lifting plate 12 under the action of the guiding mechanism, the lifting plate 12 continuously ascends, the left positioning bolt 20 and the right positioning bolt 20 are driven by the positioning arc blocks 24 on the two sides of the lifting plate to move upwards together, the positioning bolt 20 is driven to slide inwards while upwards in the guiding oblique sliding groove 17 through the first rotating shaft 10 and the two rollers 18, when the lifting plate 12 moves to the initial position through the positioning ring 23, the positioning bolt 20 inserts in the lifter plate 12 completely, fix a position lifter plate 12, the lifter plate 12 carries out spacingly to lifting hook 14 through rectangle adjusting block 13, move the mechanism and start, drive and move the frame 1 and remove the unloading position, positioning bolt 20 will promote and collude 14 location, at the removal in-process, it can not take place the swing to promote and collude 14, after the unloading position, the same reason, first motor 2 rotates, will promote and collude 14 and slowly put down, stable accurate the placing in the unloading position of material, thereby realize that the hoist can not take place the beat at the in-process of loading and unloading material, guarantee the precision of transporting the material, the reliability of adjusting whole transport, and automatic break away from positioning mechanism carries out stable unloading after the motion material is in place, need not personnel's cooperation, can not cause personnel injury, reduce operating personnel's the operation degree of difficulty.
As a further scheme of the invention, three compression springs 25 are fixedly connected to the upper parts of the inner sides of the two positioning rings 23, a first slide bar 26 is arranged in each compression spring 25, one end of the first slide bar 26 penetrates through the positioning ring 23 and is in sliding connection with the positioning ring, the other end of the first slide bar 26 is fixedly connected with a semi-arc clamping block 27, the two semi-arc clamping blocks 27 are attached to the two sides of the lifting plate 12, rectangular grooves 28 are formed in the inner sides of the two semi-arc clamping blocks 27, rectangular blocks 29 matched with the rectangular grooves 28 are fixedly connected to the tops of the two positioning bolts 20, and rectangular sliding grooves 30 matched with the rectangular blocks 29 are formed in the lifting plate 12; when in operation, as the lifting hook 14 hooks the material to descend, the first motor 2 is started, the lifting plate 12 can generate larger vibration, so that the lifting plate 12 can slide left and right on the positioning bolt 20, when the lifting plate 12 descends, the three pressing springs 25 on the positioning ring 23 press the semi-arc clamping blocks 27 to press the lifting plate 12, the lifting plate 12 continues to descend, the positioning ring 23 and the first slide bar 26 and the pressing springs 25 thereon are driven to move downwards together, the pressing springs 25 always press the lifting plate 12 when the lifting plate 12 descends, when the positioning bolt 20 withdraws from the lifting plate 12, the rectangular block 29 is driven to withdraw, rectangular block 29 acts on rectangular groove 28 on the half arc clamping block 27, when the location bolt 20 is about to withdraw, drive half arc clamping block 27 outwards to open, compress hold-down spring 25, break away from with lifter plate 12, when lifter plate 12 rises, location bolt 20 inserts in the lifter plate 12, rectangular block 29 gets into rectangular spout 30, do not act on half arc clamping block 27, half arc clamping block 27 presss from both sides the lifter plate 12 again under hold-down spring 25 effect, prevent its left and right movement, thereby realize when starting first motor 2 drive lifter plate 12 and rise or descend, restriction lifter plate 12 slides left and right on location bolt 20, make the material can not take place the polarization.
As a further scheme of the invention, the guiding mechanism comprises four guiding plates 31, the four guiding plates 31 are all right-angled, the inside of the guiding plates is an outwards inclined guiding surface, and the four guiding plates 31 are all fixedly connected to the side wall of the positioning guiding block 16; during operation, since the lifting hook 14 possibly vibrates in the lifting process when the material is hooked, the material cannot accurately enter the positioning position between the two positioning guide blocks, and the lifting plate 12 acts on the inner side guide surfaces of the four guide plates 31 in the lifting process when the lifting hook 14 hooks the material to lift, so that the lifting plate 12 is in a vertical stable state in the slow lifting process, the lifting hook 14 is stably lifted by the lifting plate 12 through the rectangular adjusting block 13, and therefore, when the lifting hook 14 lifts the material, the four guide plates 31 guide the lifting plate 12, the lifting plate 12 is slowly and stably, and the positioning arc blocks 24 on two sides of the lifting plate 12 are accurately matched with the positioning bolts 20.
As a further scheme of the invention, a positioning seat 32 is fixedly connected to the left side of the top of the lifting hook 14, a limiting rod 34 is rotatably connected to the left side of the positioning seat 32 through a third rotating shaft 33, a powerful torsion spring 35 is sleeved on the third rotating shaft 33, and a positioning block 36 contacted with the bottom of the limiting rod 34 is fixedly connected to the top end of the lifting hook 14; during operation, after the lifting hook 14 hooks the material, the lifting hook 14 may drop, when the lifting hook 14 hooks the material, the material acts on the limiting rod 34 from the top of the positioning block 36, so that the limiting rod 34 is turned over, the material enters the lifting hook 14 from between the limiting rod 34 and the positioning block 36, and the limiting rod 34 acts on the positioning block 36 again under the action of the powerful torsion spring 35, so that the lifting hook 14 is sealed, and the material cannot slide out from the lifting hook 14 after being hooked by the lifting hook 14.
As a further scheme of the invention, the moving mechanism comprises a second motor 37, the second motor 37 is fixedly connected to the top of the moving frame 1, an output shaft of the second motor 37 is fixedly connected with a first gear 38, the first gear 38 is in transmission connection with two second gears 40 through a toothed chain 39, the two second gears 40 are fixedly connected with rotating shafts 41, the two rotating shafts 41 are rotatably connected to the bottom of the moving frame 1, and two ends of each rotating shaft 41 are fixedly connected with moving wheels 42; during operation, the moving frame 1 needs to move stably, the second motor 37 is started, the output shaft of the second motor 37 rotates to drive the first gear 38 to rotate, the first gear 38 drives the two second gears 40 to rotate simultaneously through the toothed chain 39, and the second gears 40 rotate to drive the four moving wheels 42 to rotate simultaneously through the two rotating shafts 41, so that the moving frame 1 moves stably.
As a further scheme of the invention, rectangular mounting grooves 43 are formed in the front and rear positions, close to corners, of the lifting plate 12, and a plurality of rollers 44 matched with the inner guide surface of the guide plate 31 are rotatably connected in the rectangular mounting grooves 43; during operation, because the lateral wall of lifter plate 12 and the guide surface of guide plate 31 are controlled a plurality of times after, can appear great wearing and tearing, influence the location of follow-up lifter plate 12, through seting up rectangular mounting groove 43 around lifter plate 12, be connected with a plurality of rollers 44 in rectangular mounting groove 43 internal rotation, act on with guide plate 31 when lifter plate 12 rises and make, roller 44 and guide plate 31's guide surface effect take place to rotate, reduce lifter plate 12's wearing and tearing.
Working principle: the moving frame 1 is controlled to move above the materials by controlling the moving mechanism, the first motor 2 rotates, the winding drum 4 is driven by the speed reducer 3 to rotate and loosen the steel wire rope, the steel wire rope drives the two lifting wheels 9 to move downwards smoothly together through the first guide wheel 6 and the second guide wheel 8 between the two L-shaped guide plates 5, the two lifting wheels 9 drive the lifting plates 12 to descend through the first rotating shaft 10, the lifting plates 12 drive the lifting hooks 14 to descend through the rectangular adjusting blocks 13, when the lifting plates 12 descend, the two positioning bolts 20 are driven to move downwards, the positioning bolts 20 slide downwards in the guiding inclined sliding grooves 17 through the second rotating shaft 19 and the two rollers 18, the positioning bolts 20 slide in the positioning rings 23 to be slowly and outwards opened, when the positioning bolts 20 move to the bottoms of the through grooves 21, the positioning bolts 20 are separated from the lifting hooks 14, the lifting hooks 14 continue descending to hook the materials, after hooking, the first motor 2 rotates reversely, the drum 4 is driven to rotate by the speed reducer 3, the steel wire rope is wound, the lifting hook 14 is slowly lifted, the lifting plate 12 is in a vertical state under the action of the guide mechanism, the lifting plate 12 continues to ascend, the left positioning bolt 20 and the right positioning bolt 20 are driven by the positioning arc blocks 24 at the two sides of the lifting plate to move upwards together, the positioning bolt 20 slides upwards in the guide inclined chute 17 through the first rotating shaft 10 and the two rollers 18, the positioning bolt 20 is driven to slide inwards while upwards, the positioning bolt 20 is slowly inserted into a slot in the lifting plate 12 through the positioning ring 23, when the lifting plate 12 moves to an initial position, the positioning bolt 20 is completely inserted into the lifting plate 12 to position the lifting plate 12, the lifting plate 12 limits the lifting hook 14 through the rectangular adjusting block 13, the moving mechanism is started to drive the moving frame 1 to move to a discharging position, the positioning bolt 20 positions the lifting hook 14, in the moving process, the lifting hook 14 cannot swing, after reaching the blanking position, the first motor 2 rotates in the same way, the lifting hook 14 is slowly placed down, materials are stably and accurately placed at the blanking position, and material transfer is completed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The utility model provides an easy operation anti-deflection hoist, includes hoisting mechanism and positioning mechanism, its characterized in that: the positioning mechanism is arranged below the front side of the lifting mechanism, the lifting mechanism comprises a movable traveling frame (1), the movable traveling frame (1) is arranged at the top of a crane body, the movable traveling frame (1) is provided with a traveling mechanism, a first motor (2) is fixedly connected to the rear side of the top of the movable traveling frame (1), a speed reducer (3) is connected to an output shaft of the first motor (2), the speed reducer (3) is fixedly connected to the left side of the top of the movable traveling frame (1), a winding drum (4) is fixedly connected to an output shaft of the speed reducer (3), the winding drum (4) is rotatably connected to the top of the movable traveling frame (1), two groups of L-shaped guide plates (5) are fixedly connected to the front side of the top of the movable traveling frame (1), a return support (7) is fixedly connected to the front side of the top of the movable traveling frame (1), a second guide wheel (8) is rotatably connected to the inside of the return support (7), a rectangular guide wheel (8) is rotatably connected to the front side of the movable traveling frame (5), a rotary shaft (10) is fixedly connected to the front side of the movable traveling frame (5), the top of the lifting plate (12) is fixedly connected with a rectangular adjusting block (13), and the bottom of the rectangular adjusting block (13) is fixedly connected with a lifting hook (14);
the positioning mechanism comprises two L-shaped connecting plates (15), the two L-shaped connecting plates (15) are fixedly connected to the front side of the bottom of the movable frame (1), the front ends of the two L-shaped connecting plates (15) are fixedly connected with positioning guide blocks (16), guide inclined sliding grooves (17) are formed in the two positioning guide blocks (16), two rollers (18) are matched in the guide inclined sliding grooves (17), positioning bolts (20) are rotatably connected to the two rollers (18) through second rotating shafts (19), slots which are in sliding fit with the positioning bolts (20) are formed in two sides of the lifting plates (12), through grooves (21) for the positioning bolts (20) to slide up and down are formed in the positioning guide blocks (16), T-shaped sliding grooves (22) are formed in the two positioning guide blocks (16), positioning rings (23) are in sliding fit with the T-shaped sliding grooves, positioning blocks (24) which are in sliding fit with the positioning bolts (20) are fixedly connected to the lifting plates (12), and the bottom of the positioning guide blocks (16) is fixedly connected to the positioning mechanism;
three compression springs (25) are fixedly connected to the upper portions of the inner sides of the two positioning rings (23), a first sliding rod (26) is arranged in each compression spring (25), one end of each first sliding rod (26) penetrates through the positioning ring (23) and is in sliding connection with the positioning ring, the other end of each first sliding rod is fixedly connected with a semi-arc clamping block (27), the two semi-arc clamping blocks (27) are attached to the two sides of the lifting plate (12), rectangular grooves (28) are formed in the inner sides of the two semi-arc clamping blocks (27), rectangular blocks (29) matched with the rectangular grooves (28) are fixedly connected to the tops of the positioning pins (20), and rectangular sliding grooves (30) matched with the rectangular blocks (29) are formed in the lifting plate (12);
the guide mechanism comprises four guide plates (31), the four guide plates (31) are right-angle, the inside of each guide plate is an outward inclined guide surface, and the four guide plates (31) are fixedly connected to the side walls of the positioning guide blocks (16).
2. The easy-to-operate anti-sway crane of claim 1, wherein: the lifting hook is characterized in that a positioning seat (32) is fixedly connected to the left side of the top of the lifting hook (14), a limiting rod (34) is rotatably connected to the left side of the positioning seat (32) through a third rotating shaft (33), a powerful torsion spring (35) is sleeved on the third rotating shaft (33), and a positioning block (36) in contact with the bottom of the limiting rod (34) is fixedly connected to the top of the lifting hook (14).
3. The easy-to-operate anti-sway crane of claim 1, wherein: the moving mechanism comprises a second motor (37), the second motor (37) is fixedly connected to the top of the moving frame (1), an output shaft of the second motor (37) is fixedly connected with a first gear (38), the first gear (38) is connected with two second gears (40) through a toothed chain (39) in a transmission mode, the two second gears (40) are fixedly connected with rotating shafts (41), the two rotating shafts (41) are rotatably connected to the bottom of the moving frame (1), and each rotating shaft (41) is fixedly connected with moving wheels (42).
4. The easy-to-operate anti-sway crane of claim 1, wherein: rectangular mounting grooves (43) are formed in the front and rear positions, close to corners, of the lifting plate (12), and a plurality of rollers (44) matched with the inner side guide surfaces of the guide plates (31) are rotatably connected in the rectangular mounting grooves (43).
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| CN202010895015.4A CN111960278B (en) | 2020-08-31 | 2020-08-31 | Easy-to-operate anti-deflection crane |
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| CN202010895015.4A CN111960278B (en) | 2020-08-31 | 2020-08-31 | Easy-to-operate anti-deflection crane |
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| CN111960278B true CN111960278B (en) | 2023-11-21 |
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| CN115008097B (en) * | 2022-07-11 | 2024-04-16 | 泰州神舟传动科技有限公司 | Front axle circular tube welding robot |
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| DE2264974A1 (en) * | 1972-03-24 | 1975-10-09 | Krupp Gmbh | Crane load pendulum oscillation damping mechanism - uses oppositely rotatable damped rollers associated with suspension cables |
| AU2107477A (en) * | 1976-01-14 | 1978-04-27 | Hitachi Limited | Device for stopping the swinging movement ofa load hung bya crane |
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| CN111960278A (en) | 2020-11-20 |
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