CN116986530A - Lifting platform with anti-falling safety mechanism - Google Patents
Lifting platform with anti-falling safety mechanism Download PDFInfo
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- CN116986530A CN116986530A CN202311124595.7A CN202311124595A CN116986530A CN 116986530 A CN116986530 A CN 116986530A CN 202311124595 A CN202311124595 A CN 202311124595A CN 116986530 A CN116986530 A CN 116986530A
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- lifting
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- platform
- base table
- rod
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- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000000979 retarding effect Effects 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 16
- 230000035939 shock Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a lifting platform with an anti-falling safety mechanism, and relates to the technical field of lifting platforms. The invention comprises a lifting vehicle, wherein the lifting rod is fixed on the upper surface of the lifting vehicle; the middle part of the lifting base table is slidably arranged on the inner side of the lifting rod, the protective guard is fixed on the upper surface of the lifting base table, the telescopic main rod is fixed on the upper surface of the lifting vehicle, and the bottom surface of the tail part of the lifting base table is fixed at the telescopic end of the telescopic main rod. According to the invention, through the arrangement of the anti-falling device, the lifting rod, the lifting base table, the guard rail and the telescopic main rod are matched, the lifting base table drives personnel and goods to ascend, the guard rail can prevent the personnel from falling, and the personnel safety is ensured; make fixture block, telescopic link and pull block cooperation, under spring force effect, the square through-hole at lifter back can be gone into to the automatic card of fixture block, when taking place mechanical damage and leading to the lift base frame to fall, the fixture block can play the function of the dead lift base frame of card, prevents that the platform from falling and leading to personnel to be injured.
Description
Technical Field
The invention relates to the technical field of lifting platforms, in particular to a lifting platform with an anti-falling safety mechanism.
Background
A lifting platform is a device for vertical transport of persons, goods or equipment that can be lifted between different heights. The lifting platform is generally composed of a platform structure, a lifting system and safety facilities; the lifting platform can be divided into a fixed type and a movable type, is a common machine in production and transportation, and greatly improves the production efficiency.
The patent with the patent publication number of CN213294558U discloses a falling prevention mechanism of a lifting platform, which comprises a lifting frame, a falling prevention device, a lifting platform, a falling prevention mechanism and a buffer mechanism, wherein the lower end of the lifting frame is provided with a bottom frame, a hydraulic telescopic rod is arranged on the bottom frame, the lifting platform is in sliding connection with the lifting frame, the side surface of the lifting platform is provided with a suspension arm, the telescopic end of the hydraulic telescopic rod is connected with the suspension arm, the upper end of the suspension arm is provided with a lifting ring, the uppermost part of the lifting frame is provided with a first fixed shaft, the middle part of the first fixed shaft is provided with a first pulley, the side surface of the lifting frame is provided with a fixed frame, the middle part of the fixed frame is provided with a second fixed shaft, the lifting ring is connected with a lifting rope, and one end of the lifting ring passes through the first pulley and the second pulley to be connected with a steel wire rope of the falling prevention device; this patent structural design safe and reliable has the function of dual anti-falling, and the effectual risk of preventing the lift platform from falling suddenly guarantees safe and reliable of platform.
The following problems exist with the lifting platforms on the market today: in long-term use, thereby the lifting structure of lift platform can appear damaging and lead to the platform to drop, if the staff takes place to damage when using, can bring the industrial and wounded risk for the staff, consequently, design a lift platform with prevent falling safety mechanism is necessary.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the lifting platform with the anti-falling safety mechanism, which solves the problem that in the long-term use process, the lifting structure of the lifting platform is damaged to cause the platform to fall, and if the working personnel are damaged during use, the working personnel can be at risk of injury.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the lifting platform with the anti-falling safety mechanism comprises a lifting vehicle, wherein the top surface of the lifting vehicle is provided with an anti-falling device, a depth device and a counterweight device, and the bottom surface of the lifting vehicle is provided with a stabilizing device; the anti-falling device comprises a lifting rod, a lifting base table, a protective fence and a telescopic main rod, wherein the lifting rod is fixed on the upper surface of the lifting vehicle; the lifting base table middle part slidable mounting is inboard at the lifter, the rail guard is fixed at lifting base table upper surface, flexible mobile jib is fixed at the lift truck upper surface, lifting base table afterbody bottom surface is fixed at flexible mobile jib telescopic end, starts flexible mobile jib, and flexible mobile jib drives lifting base table and rises, and lifting base table drives personnel and goods and rises, and the setting of rail guard can prevent that personnel from falling, ensures personnel's safety.
According to the technical scheme, anti-falling device still includes fixture block, telescopic link and pull block, square through-hole has been seted up at the lifter back, the transverse slot has been seted up to the lift base frame both sides, fixture block slidable mounting is inside the transverse slot, be provided with the spring between fixture block and the transverse slot inner wall, the telescopic link is fixed in lift base frame both sides, the pull block is fixed at the telescopic link flexible end, the fixture block is located pull block motion track, and when the lift base frame risees, the lift base frame drives the fixture block and rises, under the spring force effect, the square through-hole at lifter back can be gone into to the fixture block automatic card, when taking place mechanical damage and leading to the lift base frame to fall, the fixture block can play the function of the dead lift base frame of card, prevents that the platform from falling and leading to personnel injury, when needs normally to fall, starts the telescopic link, and the telescopic link drives the pull block shrink, and the pull block drives the fixture block shrink for the lift base frame can normally fall.
According to the technical scheme, the depth device comprises an electric putter, a right angle platform and a back shell, the back shell is fixed on the lower surface of the tail of the lifting base frame, the electric putter is fixed on the inner wall of the back shell, the telescopic end of the electric putter penetrates through the middle of the lifting base frame, the right angle platform is fixed on the telescopic end of the electric putter, the bottom surface of the right angle platform is slidably mounted on the upper surface of the front part of the lifting base frame, after the platform reaches a designated position, part of goods shelves are deep in some large storage places, so that people can hardly take goods even standing on the lifting base frame, at this time, a protective guard can be opened, the electric putter is started, and pushes the right angle platform to push the right angle platform into the deep part of the goods shelves, thereby achieving the purpose of convenient access.
According to the technical scheme, the depth device still includes shock attenuation platform, hollow casing and horizontal piece, shock attenuation platform slidable mounting is positive at the right angle platform afterbody, hollow casing is fixed in right angle platform both sides, horizontal piece is fixed in shock attenuation platform both sides, horizontal piece bottom slidable mounting is at hollow shells inner wall, be provided with the spring between horizontal piece bottom surface and the hollow shells inner wall bottom surface, when the right angle platform motion, can make the machine produce vibrations, this can lead to personnel to stand unstably, sets up shock attenuation platform and supplies personnel to stand, and the spring between horizontal piece and the hollow shells inner wall can slow down to rock for the staff can have a stable environment of standing.
According to the technical scheme, the counterweight device comprises a tooth block, a gear and a counterweight block; the gear is rotationally arranged on the upper surface of the back of the lifting base table, the gear is located on the motion track of the gear, the balancing weight is slidably arranged on the upper surface of the back of the lifting base table, the balancing weight is located on the motion track of the gear, balance weights in front of and behind the lifting vehicle can be possibly caused to be unbalanced when the depth device is used, when the right-angle platform moves forwards, the right-angle platform drives the gear to move forwards, the gear drives the gear to rotate, the balancing weight is driven to move backwards, and the lifting vehicle is balanced through the backward movement of the balancing weight, so that the aim of preventing the whole platform from tipping forwards is achieved.
According to the technical scheme, the counter weight device still includes cylinder, oil storage box and semicircle body, the cylinder is fixed at the gear upper surface, the oil storage box is fixed at the balancing weight upper surface, semicircle body slidable mounting is at the oil spout of oil storage box, semicircle body is located the cylinder motion orbit, be provided with the spring between semicircle body and the oil storage box inner wall, when the gear rotates, the gear drives the cylinder and rotates, and the cylinder rotates in-process extrusion semicircle body, and the semicircle body extrudes the machine oil of oil storage box, reaches the purpose of maintenance gear, prevents that the gear from using for a long time and leading to the card to die, has avoided the balancing weight to lead to unable motion because the card dies.
According to the technical scheme, the stabilizing device comprises the linkage frame, the bottom plate, the long blocks, the square blocks, the protruding blocks and the brake rods, wherein the linkage frame is slidably arranged on two sides of the lifting vehicle, the linkage frame is positioned on the movement track of the lifting base table, the bottom plate is fixed at the bottom of the linkage frame, springs are arranged between the bottom plate and the bottom surface of the lifting vehicle, the long blocks are fixed on the upper surface of the bottom plate, the square blocks are fixed on the outer wall of the wheel rotating shaft of the lifting vehicle, the square blocks are positioned on the movement track of the long blocks, the protruding blocks are fixed on the bottom surface of the lifting vehicle, the brake rods are slidably arranged on the upper surface of the bottom plate, the protruding blocks are positioned on the movement track of the brake rods, when the lifting base table moves upwards, the linkage frame is not subjected to the pressure of the lifting base table, the bottom plate moves upwards under the action of the spring force, the long blocks are driven to move upwards by the bottom plate, and the long blocks are blocked by the square blocks, so that the square blocks cannot rotate, the wheel rotating shaft of the lifting vehicle is limited, and danger of workers on the platform caused by manual driving of the lifting vehicle in the lifting process is prevented; the bottom plate drives the brake lever upward movement, and the lug extrudes the brake lever, and the brake lever moves to the wheel direction, and the brake lever is contradicted to the lift car wheel, has further restricted the motion of wheel, ensures personnel's safety.
According to the technical scheme, stabilising arrangement still includes I-bar, pulley one, retarder and haulage rope, the I-bar is fixed at the interlock frame top, pulley one rotation is installed at the I-bar top, haulage rope one end is fixed in lift base frame both sides, retarder is fixed at the haulage rope other end, pulley one and haulage rope contact, retarder slidable mounting is in the I-bar outside, and when lift base frame upward movement, lift base frame drive haulage rope rise, pull through pulley one, retarder downward movement reaches the purpose of reducing the whole focus of platform for the platform is more stable, and when lift base frame descends, the lift base frame drive haulage rope descends, if take place mechanical failure and lead to the platform to drop, the slow decline of lift base frame can make for the staff provides more safety guarantee, avoids the personnel to receive the injury.
The invention provides a lifting platform with an anti-falling safety mechanism. The beneficial effects are as follows:
(1) According to the invention, through the arrangement of the anti-falling device, the lifting rod, the lifting base table, the guard rail and the telescopic main rod are matched, the lifting base table drives personnel and goods to ascend, the guard rail can prevent the personnel from falling, and the safety of the personnel is ensured; make fixture block, telescopic link and pull block cooperation, under spring force effect, the square through-hole at lifter back can be gone into to the automatic card of fixture block, when taking place mechanical damage and leading to the lift base frame to fall, the fixture block can play the function of the dead lift base frame of card, prevents that the platform from falling and leading to personnel to be injured.
(2) According to the invention, through the arrangement of the depth device, the electric push rod, the right-angle platform and the back shell are matched, part of the goods shelves are deeper in some large storage places, the electric push rod is started, and the electric push rod pushes the right-angle platform to push the right-angle platform into the deep part of the goods shelves, so that the purpose of convenient storage is achieved; make shock attenuation platform, hollow casing and horizontal piece cooperation, the spring between horizontal piece and the hollow shells inner wall can slow down and rock for the staff can have a stable standing environment.
(3) According to the invention, through the arrangement of the counterweight device, the tooth block, the gear and the counterweight block are matched, the gear drives the counterweight block to move backwards, and the lifting vehicle is counterweighted through the backward movement of the counterweight block, so that the aim of preventing the whole platform from tipping forwards is fulfilled; make cylinder, oil storage box and semicircle body cooperation, the semicircle body extrudees the machine oil of oil storage box, reaches the purpose of maintenance gear, prevents that the gear from using for a long time and leading to the card to die, has avoided the balancing weight because the card die and leads to unable motion.
(4) According to the invention, through the arrangement of the stabilizing device, the linkage frame, the bottom plate, the long blocks, the square blocks, the convex blocks and the brake rod are matched, the long blocks clamp the square blocks, so that the square blocks cannot rotate, the rotation of wheel rotating shafts of the lifting vehicle is limited by the square blocks, and the danger of workers on the platform caused by manual driving of the lifting vehicle in the lifting process is prevented; the brake rod moves towards the wheel direction and abuts against the wheel of the lifting vehicle, so that the movement of the wheel is further limited, and the safety of personnel is ensured; the I-shaped rod, the pulley I, the retarder and the traction rope are matched, the lifting base table drives the traction rope to descend, and if mechanical faults occur to cause the platform to fall, the traction of the retarder can enable the lifting base table to slowly descend, so that more safety guarantee is provided for workers, and the workers are prevented from being injured.
Drawings
FIG. 1 is a schematic diagram of the overall invention;
FIG. 2 is a schematic view of the fall arrest device of the present invention;
FIG. 3 is a partial schematic view of the fall arrest device of the present invention;
FIG. 4 is a schematic view of a depth device according to the present invention;
FIG. 5 is a partial schematic view of the depth device of the present invention;
FIG. 6 is a schematic view of a counterweight of the invention;
FIG. 7 is a partial schematic view of a counterweight of the invention;
FIG. 8 is an internal schematic view of the stabilization device of the present invention;
FIG. 9 is an overall schematic of the stabilization device of the present invention;
fig. 10 is a partial schematic view of the stabilization device of the present invention.
In the figure: 1. a lifting vehicle; 2. an anti-falling device; 3. a depth device; 4. a counterweight device; 5. a stabilizing device; 21. a lifting rod; 22. lifting the bottom table; 23. a guard rail; 24. a telescopic main rod; 25. a clamping block; 26. a telescopic rod; 27. pulling blocks; 31. an electric push rod; 32. a right angle platform; 33. a back shell; 34. a damping platform; 35. a hollow housing; 36. a transverse block; 41. tooth blocks; 42. a gear; 43. balancing weight; 44. a cylinder; 45. an oil storage box; 46. a semicircle; 51. a linkage frame; 52. a bottom plate; 53. a long block; 54. a square block; 55. a bump; 56. a brake lever; 57. an I-shaped rod; 58. a pulley I; 59. a retarder; 510. a traction rope.
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.
Referring to fig. 1-5, one embodiment of the present invention is: the lifting platform with the anti-falling safety mechanism comprises a lifting vehicle 1, wherein the top surface of the lifting vehicle 1 is provided with an anti-falling device 2, a depth device 3 and a counterweight device 4, and the bottom surface of the lifting vehicle 1 is provided with a stabilizing device 5; the anti-falling device 2 comprises a lifting rod 21, a lifting base table 22, a protective fence 23 and a telescopic main rod 24, wherein the lifting rod 21 is fixed on the upper surface of the lifting vehicle 1; the lifting base table 22 middle part slidable mounting is inboard at lifter 21, and rail guard 23 is fixed at lifting base table 22 upper surface, and flexible mobile jib 24 is fixed at lift truck 1 upper surface, starts flexible mobile jib 24, and lifting base table 22 afterbody bottom surface is fixed at flexible mobile jib 24 flexible end, and flexible mobile jib 24 drives lifting base table 22 and rises, and lifting base table 22 drives personnel and goods and rises, and the setting of rail guard 23 can prevent personnel from falling, ensures personnel safety.
The anti-falling device 2 further comprises a clamping block 25, a telescopic rod 26 and a pull block 27, wherein a square through hole is formed in the back of the lifting rod 21, transverse grooves are formed in two sides of the lifting base table 22, the clamping block 25 is slidably mounted in the transverse grooves, when the lifting base table 22 ascends, the lifting base table 22 drives the clamping block 25 to ascend, a spring is arranged between the clamping block 25 and the inner wall of the transverse grooves, under the action of the spring force, the clamping block 25 can be automatically clamped into the square through hole in the back of the lifting rod 21, when the lifting base table 22 falls due to mechanical damage, the clamping block 25 can play a role of clamping the lifting base table 22, personnel injury caused by falling of the platform is prevented, the telescopic rod 26 is fixed on two sides of the lifting base table 22, when normal falling is needed, the telescopic rod 26 is started, the pull block 27 is fixed at the telescopic end of the telescopic rod 26, the telescopic rod 26 drives the pull block 27 to shrink, the clamping block 25 is located on the movement track of the pull block 27, and the clamping block 25 is driven to shrink, so that the lifting base table 22 can fall normally.
The deep device 3 includes electric putter 31, right angle platform 32 and back of the body shell 33, back of the body shell 33 is fixed at lifting base 22 afterbody lower surface, electric putter 31 is fixed at back of the body shell 33 inner wall, after the platform reaches the assigned position, at some large-scale storage places, there is some goods shelves darker for personnel also hardly take goods even standing on lifting base 22, at this moment can open rail guard 23, start electric putter 31, electric putter 31 flexible end runs through lifting base 22 middle part, right angle platform 32 is fixed at electric putter 31 flexible end, right angle platform 32 bottom surface slidable mounting is at lifting base 22 anterior upper surface, electric putter 31 promotes right angle platform 32, push into goods shelves depths with right angle platform 32, reach the purpose of convenient access.
The depth device 3 further comprises a damping platform 34, a hollow shell 35 and a transverse block 36; the shock attenuation platform 34 slidable mounting is in right angle platform 32 afterbody openly, and hollow shell 35 is fixed in right angle platform 32 both sides, and horizontal piece 36 is fixed in shock attenuation platform 34 both sides, and horizontal piece 36 bottom slidable mounting is at hollow shell 35 inner wall, is provided with the spring between horizontal piece 36 bottom surface and the hollow shell 35 inner wall bottom surface, and when right angle platform 32 motion, can make the machine produce vibrations, this can lead to personnel to stand unstably, sets up shock attenuation platform 34 and supplies personnel to stand, and the spring between horizontal piece 36 and the hollow shell 35 inner wall can slow down and rock for the staff can have a stable standing environment.
When the movable lifting device is used, the telescopic main rod 24 is started, the telescopic main rod 24 drives the lifting base table 22 to ascend, the lifting base table 22 drives personnel and goods to ascend, and the protective guard 23 can prevent the personnel from falling off, so that the personnel safety is ensured; meanwhile, when the lifting base table 22 ascends, the lifting base table 22 drives the clamping blocks 25 to ascend, under the action of spring force, the clamping blocks 25 can be automatically clamped into square through holes in the back of the lifting rods 21, when the lifting base table 22 falls due to mechanical damage, the clamping blocks 25 can play a role of clamping the lifting base table 22, the situation that people are injured due to falling of the platform is prevented, when people need to fall normally, the telescopic rods 26 are started, the telescopic rods 26 drive the pull blocks 27 to shrink, and the pull blocks 27 drive the clamping blocks 25 to shrink, so that the lifting base table 22 can fall normally.
When the platform reaches the designated position, part of shelves are deeper in some large storage places, so that a person can hardly take goods even standing on the lifting base table 22, at the moment, the guard rail 23 can be opened, the electric push rod 31 is started, the electric push rod 31 pushes the right-angle platform 32, and the right-angle platform 32 is pushed into the deep part of the shelves, so that the aim of convenient storage is fulfilled; at the same time, when the right angle platform 32 moves, the machine is vibrated, which can cause the personnel to stand unstably, the shock absorbing platform 34 is provided for the personnel to stand, and the spring between the transverse block 36 and the inner wall of the hollow shell 35 can slow down the shaking, so that the personnel can have a stable standing environment.
Referring to fig. 1-7, another embodiment of the present invention further includes a counterweight device 4 and a stabilizing device 5 based on the above embodiment.
The counterweight device 4 comprises a tooth block 41, a gear 42 and a counterweight 43, wherein the tooth block 41 is fixed on the back of the right-angle platform 32, when the depth device 3 is used, unbalance of front and back counterweights of the lifting vehicle 1 can be caused, when the right-angle platform 32 moves forwards, the right-angle platform 32 drives the tooth block 41 to move forwards, the gear 42 is rotatably mounted on the upper surface of the back of the lifting base table 22, the gear 42 is positioned on a movement track of the tooth block 41, the gear 41 drives the gear 42 to rotate, the counterweight 43 is slidably mounted on the upper surface of the back of the lifting base table 22, the counterweight 43 is positioned on the movement track of the gear 42, the gear 42 drives the counterweight 43 to move backwards, and the lifting vehicle 1 is counterweighted by the backward movement of the counterweight 43, so that the aim of preventing the whole platform from tipping forwards is achieved.
The counterweight device 4 further comprises a cylinder 44, an oil storage box 45 and a semicircular body 46, wherein the cylinder 44 is fixed on the upper surface of the gear 42, when the gear 42 rotates, the gear 42 drives the cylinder 44 to rotate, the oil storage box 45 is fixed on the upper surface of the balancing weight 43, the semicircular body 46 is slidably mounted on an oil injection port of the oil storage box 45, the semicircular body 46 is positioned on a movement track of the cylinder 44, the semicircular body 46 is extruded in the rotation process of the cylinder 44, a spring is arranged between the semicircular body 46 and the inner wall of the oil storage box 45, the semicircular body 46 extrudes engine oil of the oil storage box 45, the aim of maintaining the gear 42 is achieved, the gear 42 is prevented from being blocked due to long-term use, and the situation that the balancing weight 43 cannot move due to blocking is avoided.
The stabilizing device 5 comprises a linkage frame 51, a bottom plate 52, a long block 53, a square block 54, a lug 55 and a brake rod 56, wherein the linkage frame 51 is slidably arranged on two sides of the lifting vehicle 1, the linkage frame 51 is positioned on a movement track of the lifting base table 22, the bottom plate 52 is fixed at the bottom of the linkage frame 51, a spring is arranged between the bottom plate 52 and the bottom surface of the lifting vehicle 1, when the lifting base table 22 moves upwards, the linkage frame 51 is not stressed by the lifting base table 22, the bottom plate 52 moves upwards under the action of the spring force, the long block 53 is fixed on the upper surface of the bottom plate 52, the bottom plate 52 drives the long block 53 to move upwards, the square block 54 is fixed on the outer wall of a wheel rotating shaft of the lifting vehicle 1, the square block 54 is positioned on the movement track of the long block 53, the square block 53 is blocked, the square block 54 cannot rotate, the square block 54 limits the wheel rotating shaft of the lifting vehicle 1, and the lifting vehicle 1 is prevented from being manually driven to cause danger to workers on the platform in the lifting process; the lug 55 is fixed on the bottom surface of the lift truck 1, the brake rod 56 is slidably mounted on the upper surface of the bottom plate 52, the bottom plate 52 drives the brake rod 56 to move upwards, the lug 55 is located on the movement track of the brake rod 56, the lug 55 extrudes the brake rod 56, the brake rod 56 moves towards the wheel direction, the wheels of the lift truck 1 are located on the movement track of the brake rod 56, the brake rod 56 abuts against the wheels of the lift truck 1, the movement of the wheels is further limited, and the safety of personnel is ensured.
The stabilizing device 5 further comprises an I-shaped rod 57, a pulley I58, a retarding block 59 and a traction rope 510, wherein the I-shaped rod 57 is fixed at the top of the linkage frame 51, the pulley I58 is rotatably installed at the top of the I-shaped rod 57, one end of the traction rope 510 is fixed at two sides of the lifting base table 22, when the lifting base table 22 moves upwards, the lifting base table 22 drives the traction rope 510 to ascend, the retarding block 59 is fixed at the other end of the traction rope 510, the pulley I58 is in contact with the traction rope 510, the retarding block 59 is slidably installed at the outer side of the I-shaped rod 57, the retarding block 59 moves downwards under traction of the pulley I58, the purpose of lowering the overall gravity center of the platform is achieved, the platform is enabled to be more stable, when the lifting base table 22 descends, and if mechanical faults occur, the lifting base table 22 descends slowly due to traction of the retarding block 59, so that more safety guarantee is provided for workers, and the workers are prevented from being damaged.
When the depth device 3 is used, unbalance of the front and rear counterweights of the lifting vehicle 1 can be caused, when the right-angle platform 32 moves forwards, the right-angle platform 32 drives the tooth block 41 to move forwards, the tooth block 41 drives the gear 42 to rotate, the gear 42 drives the counterweight 43 to move backwards, and the counterweight 43 is moved backwards to counterweight the lifting vehicle 1, so that the aim of preventing the whole platform from tipping forwards is fulfilled; meanwhile, when the gear 42 rotates, the gear 42 drives the cylinder 44 to rotate, the cylinder 44 extrudes the semicircular body 46 in the rotating process, the semicircular body 46 extrudes engine oil of the oil storage box 45, the purpose of maintaining the gear 42 is achieved, the gear 42 is prevented from being blocked due to long-term use, and the situation that the balancing weight 43 cannot move due to blocking is avoided.
When the lifting base table 22 moves upwards, the linkage frame 51 is not pressed by the lifting base table 22, the bottom plate 52 moves upwards under the action of spring force, the bottom plate 52 drives the long block 53 to move upwards, the long block 53 clamps the block 54, so that the block 54 cannot rotate, the block 54 limits the rotation of wheel rotating shafts of the lifting vehicle 1, and the danger of workers on the platform caused by manual driving of the lifting vehicle 1 in the lifting process is prevented; meanwhile, the bottom plate 52 drives the brake rod 56 to move upwards, the convex blocks 55 squeeze the brake rod 56, the brake rod 56 moves towards the wheel direction, the brake rod 56 abuts against the wheel of the lifting car 1, the movement of the wheel is further limited, and the safety of personnel is ensured; meanwhile, when the lifting base table 22 moves upwards, the lifting base table 22 drives the traction rope 510 to ascend, the traction is carried out through the pulley one 58, the retarder 59 moves downwards, the purpose of lowering the overall gravity center of the platform is achieved, the platform is stable, when the lifting base table 22 descends, the lifting base table 22 drives the traction rope 510 to descend, if mechanical faults occur to cause the platform to drop, the traction of the retarder 59 can enable the lifting base table 22 to slowly descend, so that more safety guarantee is provided for workers, and the workers are prevented from being injured.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a take lift platform of safety mechanism that prevents falling, includes lift truck (1), its characterized in that: the top surface of the lifting vehicle (1) is provided with an anti-falling device (2), a depth device (3) and a counterweight device (4), and the bottom surface of the lifting vehicle (1) is provided with a stabilizing device (5); the anti-falling device (2) comprises a lifting rod (21), a lifting base table (22), a protective fence (23) and a telescopic main rod (24), wherein the lifting rod (21) is fixed on the upper surface of the lifting vehicle (1); the lifting base table (22) is slidably arranged in the middle of the lifting rod (21), the guard rail (23) is fixed on the upper surface of the lifting base table (22), the telescopic main rod (24) is fixed on the upper surface of the lifting vehicle (1), and the bottom surface of the tail of the lifting base table (22) is fixed at the telescopic end of the telescopic main rod (24).
2. The lift platform with fall arrest safety mechanism as claimed in claim 1, wherein: the anti-falling device (2) further comprises a clamping block (25), a telescopic rod (26) and a pulling block (27), square through holes are formed in the back of the lifting rod (21), transverse grooves are formed in two sides of the lifting base table (22), the clamping block (25) is slidably mounted inside the transverse grooves, springs are arranged between the clamping block (25) and the inner walls of the transverse grooves, the telescopic rod (26) is fixed on two sides of the lifting base table (22), the pulling block (27) is fixed at the telescopic end of the telescopic rod (26), and the clamping block (25) is located on the moving track of the pulling block (27).
3. The lift platform with fall arrest safety mechanism as claimed in claim 1, wherein: the depth device (3) comprises an electric push rod (31), a right-angle platform (32) and a back shell (33), wherein the back shell (33) is fixed on the lower surface of the tail of the lifting base table (22), the electric push rod (31) is fixed on the inner wall of the back shell (33), the telescopic end of the electric push rod (31) penetrates through the middle of the lifting base table (22), the right-angle platform (32) is fixed on the telescopic end of the electric push rod (31), and the bottom surface of the right-angle platform (32) is slidably mounted on the upper surface of the front part of the lifting base table (22).
4. A lifting platform with fall arrest safety mechanism as defined in claim 3, wherein: the depth device (3) further comprises a damping platform (34), a hollow shell (35) and a transverse block (36); the damping platform (34) is slidably mounted on the front face of the tail of the right-angle platform (32), the hollow shell (35) is fixed on two sides of the right-angle platform (32), the transverse blocks (36) are fixed on two sides of the damping platform (34), the bottoms of the transverse blocks (36) are slidably mounted on the inner wall of the hollow shell (35), and springs are arranged between the bottom surface of the transverse blocks (36) and the bottom surface of the inner wall of the hollow shell (35).
5. A lifting platform with fall arrest safety mechanism as defined in claim 3, wherein: the counterweight device (4) comprises a tooth block (41), a gear (42) and a counterweight (43), wherein the tooth block (41) is fixed on the back of the right-angle platform (32), the gear (42) is rotatably arranged on the upper surface of the back of the lifting base table (22), the gear (42) is positioned on the movement track of the tooth block (41), the counterweight (43) is slidably arranged on the upper surface of the back of the lifting base table (22), and the counterweight (43) is positioned on the movement track of the gear (42).
6. The lift platform with fall arrest safety mechanism as defined in claim 5, wherein: the counterweight device is characterized in that the counterweight device (4) further comprises a cylinder (44), an oil storage box (45) and a semicircle body (46), the cylinder (44) is fixed on the upper surface of the gear (42), the oil storage box (45) is fixed on the upper surface of the counterweight (43), the semicircle body (46) is slidably mounted on an oil injection port of the oil storage box (45), the semicircle body (46) is located on a movement track of the cylinder (44), and a spring is arranged between the semicircle body (46) and the inner wall of the oil storage box (45).
7. The lift platform with fall arrest safety mechanism as claimed in claim 1, wherein: the stabilizing device (5) comprises a linkage frame (51), a bottom plate (52), a long block (53), a square block (54), a lug (55) and a brake rod (56), wherein the linkage frame (51) is slidably mounted on two sides of the lifting vehicle (1), the linkage frame (51) is located on the motion track of the lifting base table (22), the bottom plate (52) is fixed at the bottom of the linkage frame (51), a spring is arranged between the bottom plate (52) and the bottom surface of the lifting vehicle (1), the long block (53) is fixed on the upper surface of the bottom plate (52), the square block (54) is fixed on the outer wall of a wheel rotating shaft of the lifting vehicle (1), the square block (54) is located on the motion track of the long block (53), the lug (55) is fixed on the bottom surface of the lifting vehicle (1), the brake rod (56) is slidably mounted on the upper surface of the bottom plate (52), and the lug (55) is located on the motion track of the brake rod (56).
8. The lift platform with fall arrest safety mechanism as claimed in claim 8, wherein: the stabilizing device (5) further comprises an I-shaped rod (57), a pulley I (58), a retarding block (59) and a traction rope (510), wherein the I-shaped rod (57) is fixed at the top of the linkage frame (51), the pulley I (58) is rotatably arranged at the top of the I-shaped rod (57), one end of the traction rope (510) is fixed at two sides of the lifting base table (22), the retarding block (59) is fixed at the other end of the traction rope (510), the pulley I (58) is in contact with the traction rope (510), and the retarding block (59) is slidably arranged at the outer side of the I-shaped rod (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311124595.7A CN116986530A (en) | 2023-09-01 | 2023-09-01 | Lifting platform with anti-falling safety mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311124595.7A CN116986530A (en) | 2023-09-01 | 2023-09-01 | Lifting platform with anti-falling safety mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116986530A true CN116986530A (en) | 2023-11-03 |
Family
ID=88523252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311124595.7A Withdrawn CN116986530A (en) | 2023-09-01 | 2023-09-01 | Lifting platform with anti-falling safety mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116986530A (en) |
-
2023
- 2023-09-01 CN CN202311124595.7A patent/CN116986530A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231103 |
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| WW01 | Invention patent application withdrawn after publication |