CN114890303B - Windproof door type hoisting device for large-span hoisting - Google Patents
Windproof door type hoisting device for large-span hoisting Download PDFInfo
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- CN114890303B CN114890303B CN202210817612.4A CN202210817612A CN114890303B CN 114890303 B CN114890303 B CN 114890303B CN 202210817612 A CN202210817612 A CN 202210817612A CN 114890303 B CN114890303 B CN 114890303B
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000000670 limiting effect Effects 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a windproof portal type hoisting device for large-span hoisting, which relates to the technical field of portal cranes for large-span hoisting and comprises a bottom frame plate and slide rails arranged at the front end and the rear end of the top of the bottom frame plate, wherein a portal crane beam frame is arranged between the tops of moving seats, and windproof cables are arranged between winding drums on two sides of the bottom frame plate; the bottoms of the two sides of the fixed box are provided with fixed cylinders; a locking mechanism is arranged inside the fixed box; positioning mechanisms for limiting the movable seat are arranged in the positioning boxes; a transmission assembly is arranged in the vertical pipe; according to the invention, through the matching of the windproof mooring rope, the locking mechanism and the positioning mechanism, the wind resistance effect of the gantry type lifting device in a windy day is effectively improved, the anti-sliding effect of the gantry type lifting device in a windy day is improved, the gantry type lifting device is convenient to be limited and locked for multiple times, and the stability of the gantry type lifting device after bearing larger wind power can be improved; the safety performance of the gantry crane in the case of high wind is greatly improved.
Description
Technical Field
The invention relates to the technical field of gantry cranes for large-span lifting, in particular to a windproof portal type lifting device for large-span lifting.
Background
The gantry crane is a deformation of a bridge crane and is called a gantry crane; the device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards. The gantry crane is a bridge crane in which a bridge is supported on a ground rail by legs at both sides.
The gantry crane has a large windward area, and in some areas with multiple wind damages, the gantry crane is likely to move along the slide rail without being operated by people under the thrust action of strong wind in a non-working state, so that the gantry crane is easy to turn over, potential safety hazards of personal safety and economic loss exist, and the braking strength of the gantry crane is generally increased when the gantry crane avoids the phenomenon of tackle caused by the action of wind force, so that the situations that a braking system and a braking structure of the gantry crane are damaged and malfunction frequently occur after the gantry crane passes the strong wind; accordingly, there is a need for an improved solution to the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a windproof door type lifting device for lifting over a long span.
In order to achieve the purpose, the invention adopts the following technical scheme: a windproof door type hoisting device for large-span hoisting comprises a bottom frame plate and slide rails transversely arranged at the front end and the rear end of the top of the bottom frame plate, wherein a moving seat is arranged on the slide rails in a sliding manner, a door type hoisting beam frame is longitudinally arranged between the tops of the moving seats, stand columns are arranged at four corners of the top surface of the bottom frame plate, winding drums are arranged at the upper parts of the stand columns, and windproof cables are transversely arranged between the winding drums at two sides of the bottom frame plate; the middle parts of the front end and the rear end of the bottom surface of the door type lifting beam frame are respectively provided with a fixed box, and the bottoms of the two sides of each fixed box are respectively and transversely provided with a fixed cylinder; the windproof mooring rope penetrates through the fixed box and the fixed cylinder, and a locking mechanism for positioning the portal crane beam frame is arranged in the fixed box;
the lower part of the outer side surface of the moving seat is horizontally provided with a positioning box, the positioning box is internally provided with a positioning mechanism for limiting the moving seat, and the upper parts of the front and rear end surfaces of the bottom frame plate are horizontally provided with positioning battens with the same length as the slide rails; the front end and the rear end of the portal crane beam frame are respectively provided with a vertical pipe, and a transmission assembly for starting the positioning mechanism of the locking mechanism is arranged in each vertical pipe; and cleaning rods used for cleaning the positioning battens are longitudinally arranged on two side surfaces of the positioning box.
Preferably, the locking mechanism comprises fixed guide wheels symmetrically arranged at the upper end and the lower end of two sides inside the fixed cylinder, a fixed pipe penetrating through the middle part of the bottom surface inside the fixed box, a fixed pulley vertically arranged at the top of the fixed pipe, a lifting plate horizontally arranged in the upper part of the fixed box, a locking arc plate arranged on the bottom surface of the lifting plate and an anti-skid component arranged inside the fixed cylinder, wherein the inner arc surface of the locking arc plate is downwards arranged, and a plurality of anti-skid strip grooves are longitudinally formed in the inner arc surface of the locking arc plate; the windproof mooring rope passes through the fixed guide wheel in the fixed cylinder, and is arranged in the wheel groove of the fixed guide wheel; the height of the fixed pulley is greater than that of the fixed guide wheel, and the windproof cable penetrates through a wheel groove in the top of the fixed pulley; two sides of the inner top surface of the fixed box are both vertically provided with electric push rods, and the bottom of the telescopic end of each electric push rod is fixedly connected with the lifting plate; the bottom four corners of the fixed box are vertically provided with L-shaped transmission rods in a penetrating mode, and the top ends of the transmission rods movably penetrate through the inside of the fixed box and are fixedly connected with the bottom of the lifting plate.
Preferably, the horizontal plate below the fixed cylinder is located to locking slat, vertical rigid coupling in fixed cylinder upper portion including the level and locating at the guide bar and the level in locking slat bottom surface four corners, the bottom surface middle part of locking slat transversely seted up with prevent wind hawser complex arc wall, the equidistance is equipped with the anti-skidding sand grip of a plurality of trapezoidal shapes in the arc wall, the bottom activity of guide bar runs through the top rigid coupling with the horizontal plate outside wearing out the fixed cylinder, the bottom and the horizontal plate rigid coupling of transfer line.
Preferably, the positioning mechanism comprises a movable slat horizontally arranged in the positioning box, a plurality of limiting insertion blocks equidistantly arranged on the bottom surface of the movable slat, and a lower pressing plate horizontally arranged above the positioning box, wherein a plurality of push rods are equidistantly arranged on the bottom surface of the lower pressing plate, and the bottom ends of the push rods movably penetrate into the positioning box and are fixedly connected with the top surface of the movable slat; the inner bottom surface of the positioning box is provided with a plurality of through holes in an equidistant matching and limiting manner; the top surface of the positioning strip plate is provided with a plurality of positioning ports at equal intervals by matching with the limiting insertion blocks; the limiting insertion block is of an inverted trapezoidal block structure.
Preferably, the transmission assembly comprises a fixed ring plate fixedly arranged in the middle of the vertical pipe, a lower push rod vertically and movably arranged in the fixed ring plate, and a bearing ring plate fixedly sleeved on the lower push rod below the fixed ring plate, wherein the bottom end of the lower push rod is fixedly connected with the top of the lower press plate; a thrust spring is movably sleeved on a lower push rod between the bearing ring plate and the fixed ring plate, the bottom end of the fixed pipe is fixedly connected with the top of the vertical pipe, the top end of the lower push rod movably extends into the upper part of the fixed pipe, a connecting block is fixedly sleeved at the top end of the lower push rod in a fixed mode, a movable pipe is movably sleeved on the outer wall of the fixed pipe in a sleeved mode, L-shaped connecting rods are transversely and fixedly connected to the periphery of each movable pipe, and the outer end of each connecting rod is fixedly connected with a transmission rod; the equal horizontal rigid coupling in week of connecting block has the connecting plate, the equal vertical rectangle strip mouth of having seted up all around of body that fixed pipe is located fixed incasement, the outer end of connecting plate extends from the rectangle strip mouth with the inner wall rigid coupling of movable tube.
Preferably, the cleaning rod is of an E-shaped structure, brush strips are longitudinally arranged on opposite surfaces of two longitudinal rods at the lower part of the cleaning rod, and the positioning strip plate is positioned between the two longitudinal rods at the lower part of the cleaning rod.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the matching of the windproof mooring rope, the locking mechanism and the positioning mechanism, the wind-resistant effect of the gantry type lifting device in a windy day is conveniently and effectively improved, the anti-sliding effect of the gantry type lifting device in a windy day is improved, the gantry type lifting device is convenient to be limited and locked for multiple times, and the stability of the gantry type lifting device after bearing larger wind power can be improved; the door type lifting device is convenient to keep stable in strong wind, the condition that the door type lifting device turns on one's side is avoided, and the safety performance of the door type lifting device in the strong wind is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a sectional view of the structure of the fixing box and the fixing cylinder of the present invention;
FIG. 4 is a sectional view of the positioning box and positioning slat structure of the present invention;
FIG. 5 is a cross-sectional view of a partial structure of a standpipe of the present invention;
fig. 6 is a side view of the cleaning rod of the present invention.
Sequence numbers in the figure: 1. a bottom frame plate; 2. a slide rail; 3. a movable seat; 4. a gantry crane beam frame; 5. a column; 6. winding the roll; 7. a fixed box; 8. a fixed cylinder; 9. a wind-resistant cable; 10. a vertical tube; 11. a positioning box; 12. a sweeping rod; 13. a fixed guide wheel; 14. fixing the tube; 15. a fixed pulley; 16. a lifting plate; 17. locking the arc plate; 18. an electric push rod; 19. a transmission rod; 20. locking the lath; 21. a guide rod; 22. a lower push rod; 23. a movable slat; 24. limiting the inserting block; 25. pressing the plate downwards; 26. a thrust spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The embodiment is as follows: referring to fig. 1-6, a windproof door type hoisting device for large-span hoisting comprises a bottom frame plate 1 and slide rails 2 transversely arranged at the front end and the rear end of the top of the bottom frame plate 1, wherein a moving seat 3 is slidably arranged on the slide rails 2, a door type hoisting beam frame 4 is longitudinally arranged between the tops of the moving seats 3, stand columns 5 are arranged at four corners of the top surface of the bottom frame plate 1, winding drums 6 are arranged at the upper parts of the stand columns 5, and windproof cables 9 are transversely arranged between the winding drums 6 at two sides of the bottom frame plate 1; the middle parts of the front end and the rear end of the bottom surface of the portal crane beam frame 4 are respectively provided with a fixed box 7, and the bottoms of two sides of each fixed box 7 are respectively and transversely provided with a fixed cylinder 8; the windproof cable 9 passes through the fixed box 7 and the fixed cylinder 8, and a locking mechanism for positioning the portal crane beam frame 4 is arranged in the fixed box 7; the lower part of the outer side surface of the moving seat 3 is horizontally provided with a positioning box 11, the positioning box 11 is internally provided with a positioning mechanism for limiting the moving seat 3, and the upper parts of the front and rear end surfaces of the bottom frame plate 1 are horizontally provided with positioning strip plates with the same length as the slide rail 2; a vertical pipe 10 is arranged at the front end and the rear end of the portal crane beam frame 4, and a transmission assembly for starting the positioning mechanism of the locking mechanism is arranged in the vertical pipe 10; cleaning rods 12 for cleaning the positioning slats are longitudinally arranged on two side surfaces of the positioning box 11; through the matching of the windproof mooring rope 9, the locking mechanism and the positioning mechanism, the wind resistance effect of the gantry crane in a windy day is effectively improved, the anti-sliding effect of the gantry crane in a windy day is improved, the gantry crane is limited and locked for multiple times, and the stability of the gantry crane after bearing high wind power can be improved; the door type lifting device is convenient to keep stable in strong wind, the condition that the door type lifting device turns on one's side is avoided, and the safety performance of the door type lifting device in the strong wind is greatly improved.
In the invention, the locking mechanism comprises fixed guide wheels 13 symmetrically arranged at the upper end and the lower end of two sides in the fixed cylinder 8, a fixed pipe 14 penetrating through the middle part of the inner bottom surface of the fixed box 7, a fixed pulley 15 vertically arranged at the top of the fixed pipe 14, a lifting plate 16 horizontally arranged in the upper part of the fixed box 7, a locking arc plate 17 arranged at the bottom surface of the lifting plate 16 and an anti-skidding component arranged in the fixed cylinder 8, wherein the inner arc surface of the locking arc plate 17 is downwards arranged, and a plurality of anti-skidding strip grooves are longitudinally formed in the inner arc surface of the locking arc plate 17; the windproof cable 9 passes through the fixed guide wheel 13 in the fixed cylinder 8, and the windproof cable 9 is arranged in the wheel groove of the fixed guide wheel 13; the height of the fixed pulley 15 is greater than that of the fixed guide wheel 13, and the windproof cable 9 passes through a wheel groove at the top of the fixed pulley 15; two sides of the inner top surface of the fixed box 7 are both vertically provided with electric push rods 18, and the bottoms of the telescopic ends of the electric push rods 18 are fixedly connected with the lifting plate 16; l-shaped transmission rods 19 vertically penetrate through four corners of the bottom of the fixed box 7, and the top ends of the transmission rods 19 movably penetrate into the fixed box 7 and are fixedly connected with the bottom of the lifting plate 16; be convenient for play preliminary spacing effect to portal crane device, improve simultaneously behind the unblock portal crane device stability and smoothness nature when removing.
In the invention, the antiskid component comprises a locking slat 20 horizontally arranged in the upper part of a fixed cylinder 8, guide rods 21 vertically and fixedly connected with four corners of the bottom surface of the locking slat 20 and a horizontal plate horizontally arranged below the fixed cylinder 8, the middle part of the bottom surface of the locking slat 20 is transversely provided with an arc-shaped groove matched with a windproof cable 9, a plurality of ladder-shaped antiskid convex strips are arranged in the arc-shaped groove at equal intervals, the bottom end of the guide rod 21 movably penetrates out of the fixed cylinder 8 to be fixedly connected with the top of the horizontal plate, and the bottom end of a transmission rod 19 is fixedly connected with the horizontal plate; it is fixed to be convenient for carry out secondary locking to preventing wind hawser 9, improves the fixed effect to portal crane device and improves portal crane device's wind resistance ability.
In the invention, the positioning mechanism comprises a movable slat 23 horizontally arranged in the positioning box 11, a plurality of limiting inserting blocks 24 equidistantly arranged on the bottom surface of the movable slat 23 and a lower pressing plate 25 horizontally arranged above the positioning box 11, a plurality of push rods are equidistantly arranged on the bottom surface of the lower pressing plate 25, and the bottom ends of the push rods movably penetrate into the positioning box 11 and are fixedly connected with the top surface of the movable slat 23; the inner bottom surface of the positioning box 11 is provided with a plurality of through holes in an equidistant matching and limiting insertion block 24; the top surface of the positioning strip plate is provided with a plurality of positioning ports at equal intervals by matching with the limiting insertion blocks 24; the limiting insertion block 24 is of an inverted trapezoidal block structure, so that the limiting and fixing effects on the movable seat 3 are facilitated, and the service life of the braking mechanism inside the movable seat 3 is prolonged.
In the invention, the transmission component comprises a fixed ring plate fixedly arranged in the middle of the vertical pipe 10, a lower push rod 22 vertically and movably arranged in the fixed ring plate and a bearing ring plate fixedly sleeved on the lower push rod 22 below the fixed ring plate, wherein the bottom end of the lower push rod 22 is fixedly connected with the top of a lower pressing plate 25; a thrust spring 26 is movably sleeved on the lower push rod 22 between the bearing ring plate and the fixed ring plate, the bottom end of the fixed pipe 14 is fixedly connected with the top of the vertical pipe 10, the top end of the lower push rod 22 movably extends into the upper part of the fixed pipe 14, the top end of the lower push rod 22 is fixedly sleeved with a connecting block, the outer wall of the fixed pipe 14 is movably sleeved with a movable pipe, the periphery of the movable pipe is transversely and fixedly connected with an L-shaped connecting rod, and the outer end of the connecting rod is fixedly connected with the transmission rod 19; the periphery of each connecting block is transversely and fixedly connected with a connecting plate, rectangular strip openings are vertically formed in the periphery of the pipe body of the fixed pipe 14 in the fixed box 7, and the outer ends of the connecting plates extend out of the rectangular strip openings and are fixedly connected with the inner wall of the movable pipe; the locking mechanism is convenient to drive the positioning mechanism when being started, and the synchronous limiting effect is convenient to play.
In the invention, the cleaning rod 12 is in a structure similar to an E shape, brush strips are longitudinally arranged on opposite surfaces of two longitudinal rods at the lower part of the cleaning rod 12, the positioning strip plate is positioned between the two longitudinal rods at the lower part of the cleaning rod 12, the cleaning rod 12 is driven by the transversely-moving positioning box 11 to clean the surface of the positioning strip plate, and the blockage in the positioning port of the positioning strip plate is effectively avoided.
The working principle is as follows: in this embodiment, the present invention further provides a method for using a windproof portal crane apparatus for large-span hoisting, including the following steps:
firstly, electrically connecting a door type electric push rod 18 with external control equipment through a lead, and then when the door type lifting beam frame 4 encounters strong wind, pushing a lifting plate 16 to descend by controlling the electric push rod 18, so that a locking arc plate 17 is pressed against a windproof cable rope 9 body at the top of a fixed pulley 15, and further the door type lifting beam frame 4 is preliminarily positioned;
step two, the lifting plate 16 is driven to descend while descending, the horizontal plate is driven to descend through the transmission rod 19, the locking strip plate 20 connected to the top of the guide rod 21 is conveniently driven to descend through descending of the horizontal plate, and the windproof mooring rope 9 is secondarily held tightly and limited through the descending locking strip plate 20, so that the wind-resistant and sliding-resistant effects of the portal crane beam frame 4 are further improved;
step three, when the transmission rod 19 descends, the movable sleeve is driven by the connecting rod to descend on the fixed pipe 14, the connecting block fixedly connected with the connecting plate is driven by the descending of the movable sleeve to push the lower push rod 22 to descend, the lower push rod 22 which descends pushes the lower pressing plate 25 and the push rod to descend, the movable slat 23 is pressed by the descending push rod to drive the limiting plug block 24 to descend, the limiting plug block 24 extends out of the through hole and is movably inserted in the positioning hole of the positioning slat, the final positioning effect is achieved on the movable seat 3 and the portal lifting beam frame 4, the situation that the portal lifting beam frame 4 slides when in strong wind is effectively avoided, and meanwhile, the service life of a brake mechanism in the movable seat 3 is prolonged;
step four, when the moving seat 3 drives the portal crane beam frame 4 to move on the slide rail 2, the moving seat 3 is convenient to drive the positioning box 11 to move, and then the transversely-moving positioning box 11 drives the cleaning rod 12 to clean the surface of the positioning strip plate, so that blockage in the positioning port of the positioning strip plate is effectively avoided;
and step five, after the strong wind passes, controlling the electric push rod 18 to drive the lifting plate 16 to reset, and further driving the locking mechanism and the positioning machine to cancel the limit of the movable seat 3 and the portal crane beam frame 4 so that the movable seat 3 and the portal crane beam frame 4 can move.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a prevent wind door formula hoisting apparatus for hoisting of long span, includes end frame plate (1) and transversely locates slide rail (2) of end around end frame plate (1) top, its characterized in that: the sliding rail is characterized in that a moving seat (3) is arranged on the sliding rail (2) in a sliding mode, a door type lifting beam frame (4) is longitudinally arranged between the tops of the moving seat (3), stand columns (5) are arranged at four corners of the top surface of the bottom frame plate (1), winding drums (6) are arranged at the upper portions of the stand columns (5), and windproof cables (9) are transversely arranged between the winding drums (6) on two sides of the bottom frame plate (1); the middle parts of the front end and the rear end of the bottom surface of the portal crane beam frame (4) are respectively provided with a fixed box (7), and the bottoms of the two sides of each fixed box (7) are respectively and transversely provided with a fixed cylinder (8); the windproof mooring rope (9) penetrates through the fixed box (7) and the fixed cylinder (8), and a locking mechanism for positioning the portal crane beam frame (4) is arranged in the fixed box (7);
the lower part of the outer side surface of the moving seat (3) is horizontally provided with a positioning box (11), positioning mechanisms for limiting the moving seat (3) are arranged in the positioning boxes (11), and positioning battens with the same length as the sliding rails (2) are horizontally arranged at the upper parts of the front end surface and the rear end surface of the bottom frame plate (1); vertical pipes (10) are arranged at the front end and the rear end of the portal crane beam frame (4), and a transmission assembly for locking the mechanism starting and positioning mechanism is arranged in each vertical pipe (10); cleaning rods (12) used for cleaning the positioning battens are longitudinally arranged on two side surfaces of the positioning box (11);
the locking mechanism comprises fixed guide wheels (13) which are symmetrically arranged at the upper end and the lower end of the two sides in the fixed cylinder (8), a fixed pipe (14) which penetrates through the middle part of the inner bottom surface of the fixed box (7), a fixed pulley (15) which is vertically arranged at the top of the fixed pipe (14), a lifting plate (16) which is horizontally arranged in the upper part of the fixed box (7), a locking arc plate (17) which is arranged at the bottom surface of the lifting plate (16) and an anti-skidding component which is arranged in the fixed cylinder (8), wherein the inner arc surface of the locking arc plate (17) is downwards arranged, and a plurality of anti-skidding strip grooves are longitudinally formed in the inner arc surface of the locking arc plate (17); the windproof cable (9) passes through the fixed guide wheels (13) in the fixed cylinder (8), and the windproof cable (9) is arranged in a wheel groove of the fixed guide wheels (13); the height of the fixed pulley (15) is greater than that of the fixed guide wheel (13), and the windproof cable (9) passes through a wheel groove in the top of the fixed pulley (15); two sides of the inner top surface of the fixed box (7) are vertically provided with electric push rods (18), and the bottoms of the telescopic ends of the electric push rods (18) are fixedly connected with the lifting plate (16); the four corners of the bottom of the fixed box (7) are vertically provided with L-shaped transmission rods (19) in a penetrating mode, and the top ends of the transmission rods (19) movably penetrate into the inside of the fixed box (7) and are fixedly connected with the bottom of the lifting plate (16).
2. The storm door lifting apparatus for large span lifting of claim 1 wherein: the horizontal plate below a fixed section of thick bamboo (8) is located to locking slat (20), vertical rigid coupling in fixed section of thick bamboo (8) upper portion including the level, guide bar (21) and the level in locking slat (20) bottom surface four corners, the bottom surface middle part of locking slat (20) transversely seted up with prevent wind hawser (9) complex arc wall, the equidistance is equipped with the anti-skidding sand grip of a plurality of trapezoidal shapes in the arc wall, the bottom activity of guide bar (21) runs through out fixed section of thick bamboo (8) outer with the top rigid coupling of horizontal plate, the bottom and the horizontal plate rigid coupling of transfer line (19).
3. The storm door lifting apparatus for large span lifting of claim 2 wherein: the positioning mechanism comprises a movable slat (23) horizontally arranged in the positioning box (11), a plurality of limiting insertion blocks (24) which are arranged on the bottom surface of the movable slat (23) at equal intervals, and a lower pressing plate (25) horizontally arranged above the positioning box (11), wherein a plurality of push rods are arranged on the bottom surface of the lower pressing plate (25) at equal intervals, and the bottom ends of the push rods movably penetrate into the positioning box (11) and are fixedly connected with the top surface of the movable slat (23); the inner bottom surface of the positioning box (11) is equidistantly matched with the limiting insertion blocks (24) to be provided with a plurality of through holes; the top surface of the positioning batten is provided with a plurality of positioning ports at equal intervals by matching with the limiting insertion blocks (24); the limiting insertion block (24) is of an inverted trapezoidal block structure.
4. A wind break door lifting apparatus for large span lifting according to claim 3 wherein: the transmission assembly comprises a fixed ring plate fixedly arranged in the middle of the vertical pipe (10), a lower push rod (22) vertically and movably arranged in the fixed ring plate and a bearing ring plate fixedly sleeved on the lower push rod (22) below the fixed ring plate, and the bottom end of the lower push rod (22) is fixedly connected with the top of the lower pressing plate (25); a thrust spring (26) is movably sleeved on a lower push rod (22) between the bearing ring plate and the fixed ring plate, the bottom end of the fixed pipe (14) is fixedly connected with the top of the vertical pipe (10), the top end of the lower push rod (22) movably extends into the upper part of the fixed pipe (14), a connecting block is fixedly sleeved at the top end of the lower push rod (22), a movable pipe is movably sleeved on the outer wall of the fixed pipe (14), L-shaped connecting rods are transversely and fixedly connected to the periphery of the movable pipe, and the outer end of each connecting rod is fixedly connected with the transmission rod (19); the equal horizontal rigid coupling in week of connecting block has the connecting plate, the equal vertical rectangle strip mouth of having seted up all around of body that fixed pipe (14) are located fixed case (7), the outer end of connecting plate extends from the rectangle strip mouth with the inner wall rigid coupling of movable tube.
5. The storm door lifting apparatus for large span lifting of claim 1 wherein: cleaning rod (12) are E-shaped structures, brush strips are longitudinally arranged on the opposite surfaces of the two longitudinal rods at the lower part of cleaning rod (12), and the positioning strip plate is positioned between the two longitudinal rods at the lower part of cleaning rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210817612.4A CN114890303B (en) | 2022-07-13 | 2022-07-13 | Windproof door type hoisting device for large-span hoisting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210817612.4A CN114890303B (en) | 2022-07-13 | 2022-07-13 | Windproof door type hoisting device for large-span hoisting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114890303A CN114890303A (en) | 2022-08-12 |
| CN114890303B true CN114890303B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210817612.4A Active CN114890303B (en) | 2022-07-13 | 2022-07-13 | Windproof door type hoisting device for large-span hoisting |
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| CN (1) | CN114890303B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530721A (en) * | 2010-12-21 | 2012-07-04 | 广东力特工程机械有限公司 | Anti-typhoon method for portal crane and special equipment thereof |
| CN103145035A (en) * | 2013-03-27 | 2013-06-12 | 中联重科股份有限公司 | Walking trolley anchor device and tower crane with same |
| CN104692255A (en) * | 2015-01-29 | 2015-06-10 | 象王重工股份有限公司 | Portal crane windproof dragline device |
| WO2016013635A1 (en) * | 2014-07-25 | 2016-01-28 | 住友重機械搬送システム株式会社 | Fixing method for portal crane, and fixing structure for portal crane |
| CN106115483A (en) * | 2016-08-14 | 2016-11-16 | 韩睿 | A kind of crane Radix Saposhnikoviae anchor |
-
2022
- 2022-07-13 CN CN202210817612.4A patent/CN114890303B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530721A (en) * | 2010-12-21 | 2012-07-04 | 广东力特工程机械有限公司 | Anti-typhoon method for portal crane and special equipment thereof |
| CN103145035A (en) * | 2013-03-27 | 2013-06-12 | 中联重科股份有限公司 | Walking trolley anchor device and tower crane with same |
| WO2016013635A1 (en) * | 2014-07-25 | 2016-01-28 | 住友重機械搬送システム株式会社 | Fixing method for portal crane, and fixing structure for portal crane |
| CN104692255A (en) * | 2015-01-29 | 2015-06-10 | 象王重工股份有限公司 | Portal crane windproof dragline device |
| CN106115483A (en) * | 2016-08-14 | 2016-11-16 | 韩睿 | A kind of crane Radix Saposhnikoviae anchor |
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| Publication number | Publication date |
|---|---|
| CN114890303A (en) | 2022-08-12 |
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