CN114922403B - A high altitude operation platform for ornamental trees and shrubs nursing - Google Patents

A high altitude operation platform for ornamental trees and shrubs nursing Download PDF

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Publication number
CN114922403B
CN114922403B CN202210860080.2A CN202210860080A CN114922403B CN 114922403 B CN114922403 B CN 114922403B CN 202210860080 A CN202210860080 A CN 202210860080A CN 114922403 B CN114922403 B CN 114922403B
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China
Prior art keywords
sliding contact
sliding
welded
operation platform
supporting plate
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CN202210860080.2A
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Chinese (zh)
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CN114922403A (en
Inventor
杨连中
高红升
张娜
姚顺阳
王彦钧
杜炳辉
李迎春
陈虎
陈永飞
赵东升
李胜
黄正强
刘丽
刘华
王倩
赵莎莎
管利阳
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Xinxiang Binhu Ecological Garden Group Co ltd
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Xinxiang Binhu Ecological Garden Group Co ltd
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Priority to CN202210860080.2A priority Critical patent/CN114922403B/en
Publication of CN114922403A publication Critical patent/CN114922403A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00Scaffolds primarily resting on the ground
    • E04G1/24Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00Scaffolds primarily resting on the ground
    • E04G1/15Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00Scaffolds primarily resting on the ground
    • E04G1/18Scaffolds primarily resting on the ground adjustable in height
    • E04G1/22Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/02Scaffold feet, e.g. with arrangements for adjustment
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00Scaffolds primarily resting on the ground
    • E04G1/24Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • E04G2001/242Scaffolds movable on wheels or tracks

Abstract

The invention relates to an aerial operation platform for garden tree nursing, which comprises an operation platform, a shearing type lifting frame, a lifting car and a control unit, wherein the shearing type lifting frame is arranged in a bucket of the lifting car, the upper end surface of the shearing type lifting frame is fixedly provided with the operation platform, the lifting car is internally provided with the control unit, and the aerial operation platform also comprises anti-tilting mechanisms arranged on two sides of the shearing type lifting frame.

Description

A high altitude operation platform for ornamental trees and shrubs nursing
Technical Field
The invention relates to the technical field of lifting platforms, in particular to a high-altitude operating platform for garden tree nursing.
Background
The high-altitude operation platform is one of essential manned devices for garden tree care, the general high-altitude operation platform is fixedly installed on the lifting device, an operator controls the height of the operation platform through operating the lifting device to operate, when a big tree in a garden is nursed, the operator stands on the operation platform and is lifted to operate at high altitude, and the operation condition of the device plays a decisive role in the personal safety of the operator in the process, so that the device is guaranteed to stably operate in the using process;
for example, the tree cutting elevator with high safety performance, with the application number of 201910527275.3, comprises an elevator main body, wherein four corners of the lower end of the elevator main body are fixedly connected with moving columns, the other ends of the moving columns are fixedly connected with universal wheels, the upper end of the elevator main body is fixedly connected with a belt through two groups of symmetrically and symmetrically installed protection mechanisms, and the center of the lower end of the elevator main body is fixedly connected with a positioning mechanism; the protection mechanism comprises a T-shaped sliding groove, a T-shaped sliding block, a railing and a connecting rope. The tree cutting elevator with high safety performance can solve the problem that the existing elevator is not high in safety performance at present;
this patent has solved the not enough and not high technical problem of personnel's removal security of jacking equipment bottom platform stability, but still there is the potential safety hazard in high altitude operation platform's use, when using scissors formula jacking equipment, when nursing high big tree, jacking equipment's rise height is great, the scissors frame that needs to set up between top operation platform and the bottom sprag is more, after jacking equipment rises, when the stress of scissors frame opening direction, the scissors frame can be with even conduction to the bottom of power, equipment self structure is difficult for being damaged by the pressure, and when perpendicular scissors frame opening direction atress, because the distance between jacking equipment's operation platform and the bottom sprag is great, in case equipment produces little slope, equipment bottom sprag is in the bottom surface and top operation platform adds the weight of top scissors frame, produced pressure will act on bottom sprag to the scissors frame junction of a department between the top operation platform, thereby make the mechanical mechanism damage of scissors frame junction lead to jacking equipment to last slope until dangerous the emergence, thereby produce harm to operation personnel's personal safety.
Disclosure of Invention
The invention provides an aerial operation platform for garden tree nursing, and aims to solve the technical problem that safety accidents are caused by lateral inclination when a shear type lifting device is used for lifting an aerial operation platform.
The invention relates to a high-altitude operation platform for garden tree nursing, which adopts the following technical scheme: the utility model provides a high altitude operation platform for ornamental trees and shrubs nursing, including operation platform, cut the formula crane, lift truck and the control unit, install in the car hopper of lift truck and cut the formula crane, the up end of cutting the formula crane is fixed with operation platform, be provided with the control unit in the lift truck, still including installing the anti-tilting mechanism who cuts formula crane both sides, it includes a plurality of scissors framves of connecting between formula crane and operation platform through articulated mode to cut the formula crane, fixed mounting has hydraulic cylinder on the scissors framves, the control unit with hydraulic cylinder with prevent tilting mechanism electric connection, the lift truck disposes the fixed support leg that is used for the support.
Further, prevent tilting mechanism includes the first backup pad in the pin joint outside on the bottom scissors frame of fixed mounting, and the second backup pad in the pin joint outside under the top scissors frame of fixed mounting, and the both sides of cutting the formula crane all are provided with second backup pad and first backup pad, be provided with winding mechanism and correction mechanism in the lift truck base, be provided with electrical property switch module and trigger mechanism in the first backup pad, be provided with the fixed pulley in the second backup pad, the last rolling of winding mechanism has the cable wire, and the other end of cable wire is walked around trigger mechanism and fixed pulley and is fixed on correction mechanism.
Furthermore, the one end of first backup pad and second backup pad all is seted up the rectangular hole that runs through, and rectangular hole and the removal end sliding fit of scissors frame articulated department.
Furthermore, an elongated slot is formed in the outer side of the other end of the first support plate, a trigger mechanism is matched in the elongated slot, an electrical switch assembly is fixedly installed between the elongated slot and the elongated hole, and the trigger mechanism and the electrical switch assembly are matched mechanisms.
Further, the electrical switch assembly comprises a switch shell fixedly installed between the long groove and the long hole, a winding circuit and a correction circuit are arranged in the switch shell, a limiting sliding groove is fixedly installed in the middle of the switch shell, the winding circuit and the correction circuit are disconnected at the limiting sliding groove, thin walls are arranged on two sides of the middle of the limiting sliding groove, second conducting pieces used for communicating are arranged at the thin walls on two sides of the correction circuit, a notch is formed in one end, close to the long groove, of the limiting sliding groove, a first conducting piece which is connected in a pressing mode is arranged at the opening of the winding circuit, a baffle is arranged between the thin walls and the notch, a sliding contact is in sliding fit with one end, close to the long groove, of the limiting sliding groove, a compression spring is arranged between the sliding contact and the baffle, connecting conducting pieces which are communicated are arranged on two side walls of the sliding contact, and the connecting conducting pieces and the second conducting pieces are matching mechanisms.
Furthermore, an extension contact is welded on one end face, close to the end face in contact with the compression spring, of the sliding contact, and the extension contact and the first conducting piece are matched.
Further, the trigger mechanism comprises a movable pulley in sliding fit with the elongated slot, the steel cable bypasses the movable pulley, a sliding needle is fixedly welded at one end of the movable pulley, a limit baffle is fixedly mounted between the movable pulley and the electrical switch assembly, a round hole is formed in the limit baffle, the sliding needle is in sliding fit with the round hole, a reset spring is arranged between the limit baffle and the movable pulley, the reset spring is connected to the outer wall of the sliding needle in a sleeved mode, the end, penetrating through the limit baffle, of the sliding needle is matched with the sliding contact to form a mechanism, a cable sleeve is fixedly welded between the electrical switch assembly and the elongated hole, and the steel cable penetrates through the cable sleeve.
Furthermore, the correcting mechanism comprises a rotating block which is in rotating fit with the bottom of the lift truck, a connecting shaft sleeve is eccentrically arranged on one end face of the rotating block, a correcting hydraulic cylinder is arranged on one side of the rotating block and fixed on the bottom face of the lift truck through a rotating seat, the output end of the correcting hydraulic cylinder is in rotating fit with the connecting shaft sleeve, and one end of the steel cable is fixed at the maximum radius of the side wall of the rotating block.
Furthermore, the correction circuit and the winding circuit are electrically connected with the control unit.
The invention has the beneficial effects that: when the anti-tilting mechanism is used for personnel to work, the lift truck is driven to a designated position, the fixed supporting legs extend out and are supported on the ground, the personnel stand on the operating platform to control the scissor type lifting frame to lift, so that the operating platform moves to a working height, in the process of the personnel to work, when the scissor type lifting frame tilts in the direction vertical to the opening direction of the scissor frame, the anti-tilting mechanism is used for detecting and correcting, and after the correction is within a certain range, the crisis is not relieved, namely the anti-tilting mechanism is further triggered to retract the scissor type lifting frame, so that the danger is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an aerial operating platform for garden tree care according to the present invention;
FIG. 2 is a partial cross-sectional view of the overall structure of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a schematic view of a portion of the tilt mechanism of the present invention;
FIG. 5 is a partial cross-sectional view of the mechanism shown in FIG. 4;
FIG. 6 is an enlarged view of area B of FIG. 5;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 5;
FIG. 8 is an enlarged view of area D of FIG. 7;
FIG. 9 is a schematic diagram of an internal structure of the electrical switch assembly;
fig. 10 is an enlarged view of area E in fig. 7.
In the figure: 1. an operating platform; 2. a scissor type lifting frame; 3. lifting the vehicle; 4. a control unit; 5. an anti-tilt mechanism; 21. a scissor holder; 22. a lifting hydraulic cylinder; 31. a fixed support leg; 51. a second support plate; 52. a fixed pulley; 53. a first support plate; 54. an electrical switch assembly; 55. a steel cord; 56. a trigger mechanism; 57. a correction mechanism; 58. a winding mechanism; 541. a sliding contact; 542. an extension contact; 543. a compression spring; 544. a winding circuit; 545. a correction circuit; 546. a limiting chute; 561. a movable pulley; 562. a limiting baffle; 563. a return spring; 564. sliding and installing a needle; 565. a cable cover; 571. rotating the block; 572. a connecting shaft sleeve; 573. a correction hydraulic cylinder 5411 is connected with a conducting sheet; 5441. a first conductive sheet; 5451. a second conducting sheet.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The embodiment of the invention relates to an aerial operation platform for garden tree nursing, as shown in fig. 1 to 8, the aerial operation platform for garden tree nursing comprises an operation platform 1, a scissor type lifting frame 2, a lifting car 3 and a control unit 4, wherein a scissor type lifting frame 2 is installed in a car hopper of the lifting car 3, the operation platform 1 is fixed on the upper end surface of the scissor type lifting frame 2, the control unit 4 is arranged in the lifting car 3, the aerial operation platform further comprises an anti-tilting mechanism 5 installed on two sides of the scissor type lifting frame 2, the scissor type lifting frame 2 comprises a plurality of scissor frames 21 connected between the scissor type lifting frame 2 and the operation platform 1 in a hinged mode, a lifting hydraulic cylinder 22 is fixedly installed on the scissor frames 21, the control unit 4 is electrically connected with the lifting hydraulic cylinder 22 and the anti-tilting mechanism 5, and the lifting car 3 is provided with a fixed supporting leg 31 for supporting;
during specific work, lift truck 3 is opened to the assigned position, fixed support leg 31 stretches out to be supported subaerial, personnel stand control on operation platform 1 and cut formula crane 2 and rise, thereby make operation platform 1 remove to the operation height, at the in-process of personnel's operation, when cutting formula crane 2 and take place to open the direction slope along perpendicular scissors frame 21, detect and revise through preventing tilt mechanism 5, when revising not removing the crisis behind the certain limit, further trigger promptly and prevent tilt mechanism 5 and make and cut formula crane 2 withdrawal, thereby avoid dangerous the emergence.
As shown in fig. 1-4, the anti-tilting mechanism 5 includes a first support plate 53 fixedly installed at the outer side of the hinge point on the lowermost scissors frame 21, and a second support plate 51 fixedly installed at the outer side of the lower hinge point of the uppermost scissors frame 21, and both sides of the scissor type crane 2 are provided with the second support plate 51 and the first support plate 53, a winding mechanism 58 and a correcting mechanism 57 are provided in the base of the lift car 3, an electrical switch component 54 and a triggering mechanism 56 are provided on the first support plate 53, a fixed pulley 52 is provided on the second support plate 51, a steel cable 55 is wound on the winding mechanism 58, and the other end of the steel cable 55 bypasses the triggering mechanism 56 and the fixed pulley 52 and is fixed on the correcting mechanism 57, one ends of the first support plate 53 and the second support plate 51 are both provided with a through elongated hole, and the elongated hole is in sliding fit with the moving end at the hinge point of the scissors frame 21, a long groove is provided at the outer side of the other end of the first support plate 53, and the triggering mechanism 56 is fitted in the long groove, an electrical switch component 54 is fixedly installed between the long groove and the long groove is fitted with the electrical switch component 54;
when the scissor type lifting frame 2 is lifted, the rolling mechanisms 58 on two sides synchronously release the steel cable 55, after the scissor type lifting frame 2 is lifted to a specified height, the steel cable between the second supporting plate 51 and the bottom of the lifting car 3 is tightened, the steel cable between the fixed pulley 52 and the correcting mechanism 57 is matched with the triggering mechanism 56, when the scissor type lifting frame 2 is inclined, the distance between the fixed pulley 52 on one side opposite to the inclined direction and the correcting mechanism 57 and the rolling mechanism 58 is lengthened, the tension borne by the steel cable 55 is increased, so that the triggering mechanism 56 triggers the electric switch component 54, the steel cable 55 is slowly contracted by the correcting mechanism 57 to enable the scissor type lifting frame 2 to return, and when the scissor type lifting frame 57 is not corrected to the original position after the correcting mechanism 57 is contracted for a certain distance, the tension generated by the correcting mechanism 57 and the fixed pulley 52 on the steel cable 55 enables the steel cable 55 to further trigger the electric switch component 54, so that the shearing type lifting frame 58 provides larger tension to prevent the scissor type lifting frame 2 from continuously inclining, and simultaneously retracts together with the scissor type lifting frame 2 to safely convey operating personnel to the bottom.
As shown in fig. 5-9, the electrical switch component 54 includes a switch housing fixedly installed between the elongated slot and the elongated hole, a winding circuit 544 and a correction circuit 545 are disposed in the switch housing, a limit chute 546 is fixedly installed at a middle position in the switch housing, the winding circuit 544 and the correction circuit 545 are disconnected at the limit chute 546, thin walls are disposed at two sides of the middle position of the limit chute 546, second conductive tabs 5451 for communication are disposed at the thin walls at two sides of the correction circuit 545, a notch is disposed at one end of the limit chute 546 close to the elongated hole, a first conductive tab 5441 for pressing communication is disposed at an opening of the winding circuit 544, a slot is disposed between the thin walls and the notch, a blocking plate is mounted in the slot, the blocking plate is disposed between an upper end surface and a bottom surface of the limit chute 546 in the middle, and a sliding contact 541 is slidably fitted at one end of the limit chute 546 close to the elongated slot, a compression spring 543 is arranged between the sliding contact 541 and the baffle, two side walls of the sliding contact 541 are provided with communicated connection conducting tabs 5411, the connection conducting tabs 5411 and the second conducting tabs 5451 are matching mechanisms, one end surface of the sliding contact 541, which is close to the compression spring 543, is welded with an extension contact 542, the extension contact 542 and the first conducting tab 5441 are matching mechanisms, the extension contact 542 is two trigger blocks welded at one end of the sliding contact 541, the lower end surface of the trigger block at the upper end is higher than the upper end surface of the baffle, the upper end surface of the trigger block at the lower end is lower than the lower end surface of the baffle, when the sliding contact 541 moves towards the baffle, the extension contact 542 penetrates through the upper and lower ends of the baffle to be in contact with the first conducting tab 5441, and the first conducting tab 5441 is in an off state under an elastic sheet normal state;
specifically, when the winding circuit 544 and the correction circuit 545 are normally in an off state, the slider 541 moves forward to bring the connecting conductive piece 5411 into contact with the second conductive piece 5451 and connect the correction circuit 545, the slider 541 continues to move forward, the connecting conductive piece 5411 is separated from the second conductive piece 5451 and disconnect the correction circuit 545, and the slider 541 continues to move forward to bring the extending contact 542 into contact with the first conductive piece 5441 and connect the winding circuit 544.
As shown in fig. 2-4, the triggering mechanism 56 includes a movable pulley 561 slidably fitted in the elongated slot, the cable 55 passes around the movable pulley 561, a sliding pin 564 is fixedly welded at one end of the movable pulley 561, a limit block 562 is fixedly installed between the movable pulley 561 and the electrical switch assembly 54, a circular hole is formed in the limit block 562, the sliding pin 564 is slidably fitted in the circular hole, a return spring 563 is disposed between the limit block 562 and the movable pulley 561, the return spring 563 is sleeved on an outer wall of the sliding pin 564, the sliding pin 564 penetrates through one end of the limit block 562 and the sliding contact 541 to serve as a fitting mechanism, a cable sheath 565 is fixedly welded between the electrical switch assembly 54 and the elongated hole, the cable 55 penetrates through the cable sheath 565, the correcting mechanism 57 includes a rotating block 572 rotatably fitted at the bottom of the lift truck 3, a connecting sleeve 572 is eccentrically disposed on one end face of the rotating block 571, a correcting hydraulic cylinder 573 is disposed on one side of the rotating block 571, the correcting hydraulic cylinder 573 is fixed on the bottom face of the lift truck 3 through a rotating seat, an output end of the correcting hydraulic cylinder 573 is rotatably fitted on the connecting sleeve 544, one end of the rotating block 55 is fixed at a side wall of the rotating block 545, and the radius of the rotating block 545, and the correcting circuit unit 573 is electrically connected to the lifting unit,
when the scissor type lifting frame 2 tilts, the steel cable 55 is pulled to increase the pulling force of the steel cable 55 on the opposite side of the tilting direction to the movable pulley 561, so that the movable pulley 561 pushes the reset spring 563 to enable the sliding pin 564 to move forwards against the sliding contact 541, thereby triggering the correction circuit 545, the correction circuit 545 gives a signal through electrical connection, the control unit 4 enables the correction hydraulic cylinder 573 to pull the rotating block 571 to rotate, so that the steel cable 55 contracts to increase the pulling force of the steel cable 55 to the fixed pulley 52 and the movable pulley 561, the movable pulley 561 generates a micro movement under the support of the reset spring 563, the steel cable 55 generates a downward pulling force to the fixed pulley 52 along the fixed pulley 52, thereby balancing the scissor type lifting frame 2, the scissor type lifting frame 2 is prevented from further tilting and returning, when the lifting frame 2 cannot return to the correct position due to the damage of the mechanical structure, when the lifting frame 2 tilts continuously, the reset spring 563 is further compressed, the sliding pin is pushed to the fixed pulley 52, the sliding pin is fixed to the rotating block 571, thereby preventing the lifting frame 2 from being pulled to control the lifting frame 2 from falling off, and further controlling the lifting frame 2 to control the lifting frame 2, and further to control the lifting frame 2 to be capable of receiving a safety signal, and further to control the lifting frame 2, thereby preventing the lifting frame 22 to control the lifting frame 2 from cutting operation, and further preventing the lifting frame 2, and further preventing the lifting frame from receiving a sudden lifting frame 2, and further preventing the lifting frame from a sudden lifting operation.
In conclusion, during operation, the lift truck 3 is driven to a designated position, the fixed supporting leg 31 of the fixed supporting leg extends out and is supported on the ground, a person stands on the operating platform 1 to control the scissor type lifting frame 2 to lift, so that the operating platform 1 moves to the operation height, during the operation of the personnel, the cable 55 is fixed on the rotating block 571 through the cable sheath 565 around the fixed pulley 52 and the movable pulley 561, the wire rope 55 is tightened by the support of the return spring 563, the slide needle 564 is separated from the slide contact 541, when the scissor lift 2 is inclined, the pull of the steel cable 55 on the side opposite to the inclined direction to the movable pulley 561 is increased, so that moving pulley 561 pushes return spring 563 to move sliding needle 564 forward against sliding contact 541, thereby triggering the correction circuit 545, the correction circuit 545 gives out a signal through electrical connection, the control unit 4 makes the correction hydraulic cylinder 573 pull the turning block 571 to rotate, thereby, the cable 55 is contracted to increase the tension of the cable 55 on the fixed pulley 52 and the movable pulley 561, the movable pulley 561 is slightly moved under the support of the return spring 563, the cable 55 generates the downward tension on the fixed pulley 52 along the fixed pulley 52, thereby balancing the scissor type lifting frame 2, avoiding the scissor type lifting frame 2 from further inclining and returning to the right, when the scissor type lifting frame 2 can not return to the right due to the damage of the mechanical structure and continues to incline, the return spring 563 is further compressed and the sliding pin 564 continues to advance the sliding contact 541, breaking the correction circuit 545, further triggering the winding circuit 544 to be communicated, after receiving the signal, the control unit 4 controls the winding mechanism 58 and the lifting hydraulic cylinder 22 to contract simultaneously, so as to avoid the scissor type lifting frame 2 from tilting, therefore, the operator can be safely conveyed to the bottom surface, and the safety of the operator can be guaranteed when the operator works at high altitude and meets an emergency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (2)

1. The utility model provides a high altitude operation platform for ornamental trees and shrubs nursing, includes operation platform (1), cuts formula crane (2), lift truck (3) and the control unit (4), installs in the car hopper of lift truck (3) and cuts formula crane (2), cuts the up end that cuts formula crane (2) and is fixed with operation platform (1), is provided with the control unit (4) in lift truck (3), its characterized in that: the anti-tilting device is characterized by further comprising anti-tilting mechanisms (5) arranged on two sides of the shear type lifting frame (2), the shear type lifting frame (2) comprises a plurality of shear frames (21) connected between the lifting vehicle (3) and the operation platform (1) in a hinged mode, a lifting hydraulic cylinder (22) is fixedly arranged on each shear frame (21), and the control unit (4) is electrically connected with the lifting hydraulic cylinder (22) and the anti-tilting mechanisms (5); the anti-tilting mechanism (5) comprises a first supporting plate (53) fixedly mounted on the outer side of a hinge point on the lowest scissors frame (21) and a second supporting plate (51) fixedly mounted on the outer side of a lower hinge point on the highest scissors frame (21), the two sides of the scissors lifting frame (2) are provided with the second supporting plate (51) and the first supporting plate (53), a winding mechanism (58) and a correcting mechanism (57) are arranged in a base of the lift truck (3), the first supporting plate (53) is provided with an electric switch component (54) and a triggering mechanism (56), the second supporting plate (51) is provided with a fixed pulley (52), the winding mechanism (58) is wound with a steel cable (55), the other end of the steel cable (55) bypasses the triggering mechanism (56) and the fixed pulley (52) and is fixed on the correcting mechanism (57), one ends of the first supporting plate (53) and the second supporting plate (51) are provided with a through elongated hole, the elongated hole is in sliding fit with a moving end at the hinge position of the scissors frame (21), the elongated hole is formed in the outer side of the first supporting plate (53), the first supporting plate (56), the elongated hole is matched with the elongated hole (54), the elongated hole (54) and the elongated hole (54) is mounted between the elongated switch component and the elongated hole (54), the elongated switch component (54), the elongated hole (54) and the elongated mechanism (54), the elongated mechanism (54) and the elongated mechanism (54) are mounted on the casing, a winding circuit (544) and a correction circuit (545) are arranged in a switch shell, a limiting chute (546) is fixedly installed at the middle position in the switch shell, the winding circuit (544) and the correction circuit (545) are disconnected at the limiting chute (546), thin walls are arranged at two sides of the middle position of the limiting chute (546), a second conducting sheet (5451) for communication is arranged at the thin walls at two sides of the correction circuit (545), a notch is formed in one end, close to a strip hole, of the limiting chute (546), a first conducting sheet (5441) which is in press communication is arranged at the notch of the winding circuit (544), a baffle is arranged between the thin walls and the notch, a sliding contact (541) is in sliding fit at one end, close to the long groove, of the limiting chute (546), a compression spring (543) is arranged between the sliding contact (541) and is provided with a connecting conducting sheet (5411), the connecting conducting sheet (5411) and the second conducting sheet (5451) are a matching mechanism, the sliding contact (541) is welded on one end, close to one end of the compression spring (543), a pulley (561) which is in contact with one end of the sliding contact, a steel rope, a sliding contact extending surface, a pulley (561) is welded in a sliding contact mechanism, and a sliding mechanism (561) which the sliding contact pin (561) is welded in the sliding contact mechanism, and a sliding contact mechanism (561) is welded in a sliding contact mechanism, and a sliding contact pin (561) of the sliding contact mechanism, and a sliding contact pin (561) which is welded on the sliding contact surface of the sliding contact pin (561) is welded, and a sliding contact pin (561) of the sliding contact pin (561) is welded on the sliding contact, and the sliding contact pin (561) of the sliding contact pin (561) is welded on the sliding contact surface of the sliding contact mechanism, and the sliding pin (561) is welded on the sliding contact surface of the sliding contact of the sliding pin (561), a limit baffle plate (562) is fixedly installed between the movable pulley (561) and the electric switch assembly (54), a round hole is formed in the limit baffle plate (562), a sliding needle (564) is in sliding fit in the round hole, a return spring (563) is arranged between the limit baffle plate (562) and the movable pulley (561), the return spring (563) is sleeved on the outer wall of the sliding needle (564), one end, penetrating through the limit baffle plate (562), of the sliding needle (564) and the sliding contact (541) are matched mechanisms, a cable sleeve (565) is fixedly welded between the electric switch assembly (54) and the strip hole, a steel cable (55) penetrates through the cable sleeve (565), the correcting mechanism (57) comprises a rotating block (572) which is in rotating fit at the bottom of the lifting vehicle (3), a connecting shaft sleeve (572) is eccentrically arranged on one end face of the rotating block (571), a correcting hydraulic cylinder (573) is arranged on one side of the rotating block (572), the correcting hydraulic cylinder (573) is fixed on the bottom face of the lifting vehicle (3) through a rotating seat, the output end, of the largest correcting hydraulic cylinder (573) is in rotating block (571) in rotating fit with the connecting shaft sleeve (573, and the side wall of the rotating block (55).
2. A high altitude operation platform for garden tree care, as claimed in claim 1, wherein: the correction circuit (545) and the winding circuit (544) are electrically connected with the control unit (4).
CN202210860080.2A 2022-07-22 2022-07-22 A high altitude operation platform for ornamental trees and shrubs nursing Active CN114922403B (en)

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CN213569347U (en) * 2020-09-17 2021-06-29 山东七运集团有限公司 Movable lifting device with anti-tilting function
CN214990122U (en) * 2021-06-07 2021-12-03 山东正田重工机械有限公司 Anti-tilting alarm device for lifting platform
CN114212743A (en) * 2021-12-27 2022-03-22 徐州倍思特自动化工程有限公司 Based on moulding burden of subtracting of bioplastic is from stable type elevating platform for fitment

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Publication number Priority date Publication date Assignee Title
JPH07133095A (en) * 1993-11-10 1995-05-23 Nippon Sharyo Seizo Kaisha Ltd High lift work vehicle
CN110104595A (en) * 2019-06-18 2019-08-09 丁巧芬 A kind of trees that security performance is high cutting elevator
CN212425357U (en) * 2020-03-27 2021-01-29 贵州华洋现代生态科技发展有限公司 High altitude construction lift support frame for electric power engineering
CN213569347U (en) * 2020-09-17 2021-06-29 山东七运集团有限公司 Movable lifting device with anti-tilting function
CN213365334U (en) * 2020-12-21 2021-06-04 河北农业大学 Orchard work platform static anti-tipping control system
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CN114212743A (en) * 2021-12-27 2022-03-22 徐州倍思特自动化工程有限公司 Based on moulding burden of subtracting of bioplastic is from stable type elevating platform for fitment

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