CN114922403A - 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 PDFInfo
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- CN114922403A CN114922403A CN202210860080.2A CN202210860080A CN114922403A CN 114922403 A CN114922403 A CN 114922403A CN 202210860080 A CN202210860080 A CN 202210860080A CN 114922403 A CN114922403 A CN 114922403A
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- operation platform
- lifting frame
- scissor type
- supporting plate
- type lifting
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
- E04G1/22—Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/02—Scaffold feet, e.g. with arrangements for adjustment
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
- E04G2001/242—Scaffolds movable on wheels or tracks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to an overhead operation platform for garden tree nursing, which comprises an operation platform, a scissor type lifting frame, a lifting vehicle and a control unit, wherein the scissor type lifting frame is arranged in a bucket of the lifting vehicle, the operation platform is fixed on the upper end surface of the scissor type lifting frame, the lifting vehicle is internally provided with the control unit, and the lifting vehicle also comprises anti-tilting mechanisms arranged on two sides of the scissor type lifting frame, when a worker works, the lifting vehicle is opened to a specified position, a fixed supporting leg extends out and is supported on the ground, the worker stands on the operation platform to control the scissor type lifting frame to lift, so that the operation platform moves to the working height, when the scissor type lifting frame tilts along the opening direction of the scissor type lifting frame in the working process of the worker, the anti-tilting mechanism detects and corrects the lifting frame, when the danger is not removed after the lifting frame is corrected to a certain range, the anti-tilting mechanism is further triggered to retract the scissor type lifting frame, thereby avoiding danger.
Description
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 necessary manned equipment for garden tree nursing, the general high-altitude operation platform is fixedly arranged on the lifting equipment, an operator controls the height of the operation platform through operating the lifting equipment to operate, when a big tree in a garden is nursed, the operator stands on the operation platform and is lifted to the high-altitude operation, and the operation condition of the equipment plays a decisive role in the personal safety of the operator in the process, so that the equipment is ensured to stably operate in the using process;
for example, the tree cutting elevator with high safety performance is disclosed as application No. 201910527275.3, and 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 waistband together through two groups of symmetrically-mounted 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;
the patent solves the technical problems of insufficient stability of a bottom platform of lifting equipment and low moving safety of personnel on an operation platform, but the potential safety hazard still exists in the use of a high-altitude operation platform, when the scissor type lifting equipment is used, when a big tree with higher height is nursed, the lifting height of the lifting equipment is larger, more scissor holders need to be arranged between a top operation platform and a bottom support, when the lifting equipment is lifted and is stressed along the opening direction of the scissor holders, the scissor holders can uniformly conduct force to the bottom, the self structure of the equipment is not easily damaged by the force, when the vertical scissor holders are stressed along the opening direction, as the distance between the operation platform and the bottom support of the lifting equipment is larger, once the equipment slightly inclines, the bottom of the equipment is supported on the bottom surface, the weight of the top operation platform and the top scissor holders is added, the generated pressure acts on a scissor holder connecting part between the bottom support and the top operation platform, therefore, the mechanical mechanism at the joint of the scissor holders is damaged, so that the lifting equipment continuously tilts until danger occurs, and personal safety of operating personnel is harmed.
Disclosure of Invention
The invention provides an aerial operation platform for garden tree nursing, which aims to solve the technical problem of safety accidents caused by side 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 component comprises a switch shell fixedly arranged between the long groove and the long hole, a rolling circuit and a correction circuit are arranged in the switch shell, a limit chute is fixedly arranged at the middle position in the switch shell, the rolling circuit and the correction circuit are disconnected at the position of the limit sliding chute, thin walls are arranged on two sides of the middle position of the limit sliding chute, and the correction circuit is provided with a second conducting sheet for communication at the thin walls at the two sides, one end of the limiting chute close to the strip hole is provided with a notch, a first communicating sheet which is in press communication with the opening of the rolling circuit is arranged at the opening, a baffle plate is arranged between the thin wall and the gap, a sliding contact is in sliding fit with one end of the limiting chute close to the long groove, and a compression spring is arranged between the sliding contact and the baffle, two side walls of the sliding contact are provided with communicated connecting conducting pieces, and the connecting conducting pieces and the second conducting pieces are matched 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 rotatably matched 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 rotatably matched on 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 lifting vehicle is driven to a designated position, the fixed supporting legs extend out and are supported on the ground, the personnel stands on the operating platform to control the scissor type lifting frame to lift, so that the operating platform is moved to a working height, in the process of the personnel working, when the scissor type lifting frame tilts along the opening direction of the scissor type frame, the anti-tilting mechanism detects and corrects the scissor type lifting frame, and after the scissor type lifting frame is corrected to 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 occurrence of dangers 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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these 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 of 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 region 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 rack; 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 limit baffle; 563. a return spring; 564. mounting a needle in a sliding manner; 565. a cable cover; 571. rotating the block; 572. a connecting shaft sleeve; 573. a correction hydraulic cylinder 5411 and a connection conduction 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention relates to an aerial operation platform for garden tree nursing, which is shown in fig. 1 to 8 and comprises an operation platform 1, a shear type lifting frame 2, a lifting car 3 and a control unit 4, wherein the bucket of the lifting car 3 is provided with the shear type lifting frame 2, the upper end surface of the shear type lifting frame 2 is fixedly provided with the operation platform 1, the lifting car 3 is internally provided with the control unit 4, the aerial operation platform also comprises an anti-tilt mechanism 5 arranged at 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 shear type lifting frame 2 and the operation platform 1 in a hinged mode, a lifting hydraulic cylinder 22 is fixedly arranged on each shear frame 21, the control unit 4 is electrically connected with the lifting hydraulic cylinder 22 and the anti-tilt mechanism 5, and the lifting car 3 is provided with a fixed supporting leg 31 for supporting;
when the lifting device works specifically, the lifting car 3 is driven to a designated position, the fixed supporting legs 31 stretch out and support on the ground, the personnel stand on the operation platform 1 to control the scissor type lifting frame 2 to rise, so that the operation platform 1 moves to the operation height, in the process of personnel operation, when the scissor type lifting frame 2 inclines along the opening direction of the vertical scissor frame 21, the crisis is not relieved after the crisis is corrected to a certain range through the anti-inclination mechanism 5, namely, the anti-inclination mechanism 5 is further triggered to enable the scissor type lifting frame 2 to retract, so that danger is avoided.
As shown in fig. 1-4, the anti-tilting mechanism 5 includes a first supporting plate 53 fixedly installed at the outer side of the hinge point on the lowermost scissors frame 21, and a second supporting 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 supporting plate 51 and the first supporting plate 53, a winding mechanism 58 and a correcting mechanism 57 are provided in the base of the elevator car 3, an electrical switch component 54 and a triggering mechanism 56 are provided on the first supporting plate 53, a fixed pulley 52 is provided on the second supporting plate 51, a steel cable 55 is wound on the winding mechanism 58, and the other end of the steel cable 55 goes around the triggering mechanism 56 and the fixed pulley 52 and is fixed on the correcting mechanism 57, one end of the first supporting plate 53 and one end of the second supporting 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, the other end of the first supporting plate 53 is provided with an elongated slot, the long groove is matched with a trigger mechanism 56, an electrical switch component 54 is fixedly arranged between the long groove and the long strip hole, and the trigger mechanism 56 and the electrical switch component 54 are matched mechanisms;
when the scissor type crane 2 works, the winding mechanisms 58 on two sides synchronously release the steel cable 55 along with the lifting of the scissor type crane 2, after the scissor type crane 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 crane 2 inclines, the distance between the fixed pulley 52 on one side opposite to the inclining direction and the correcting mechanism 57 and the winding mechanism 58 is lengthened, the pulling force 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 through the correcting mechanism 57 so as to drive the scissor type crane 2 to return, and when the scissor type crane 2 is not corrected to the original position after the correcting mechanism 57 is contracted for a certain distance, the pulling force generated by the correcting mechanism 57 and the fixed pulley 52 on the steel cable 55 drives the steel cable 55 to further trigger the electric switch component 54, thereby enabling the winding mechanism 58 to provide greater pulling force to prevent the scissor crane 2 from continuing to tilt, and simultaneously retracting together with the scissor crane 2 to safely feed the operator to the bottom surface.
As shown in fig. 5-9, the electrical switch assembly 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 installed 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 installed at two sides of the middle position of the limit chute 546, a second conductive sheet 5451 for communication is installed at the thin walls at two sides of the correction circuit 545, a notch is installed at one end of the limit chute 546 close to the elongated hole, a first conductive sheet 5441 for pressing communication is installed at the opening of the winding circuit 544, a slot is installed between the thin walls and the notch, a baffle is installed in the slot, the baffle is installed in the middle between the upper end face and the bottom face of the limit chute 546, 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 connecting conducting pieces 5411, the connecting conducting pieces 5411 and the second conducting pieces 5451 are matching mechanisms, one end face of the sliding contact 541, which is close to the compression spring 543, is welded with an extending contact 542, the extending contact 542 and the first conducting piece 5441 are matching mechanisms, the extending contact 542 is two trigger blocks welded at one end of the sliding contact 541, the lower end face of the trigger block at the upper end is higher than the upper end face of the baffle, the upper end face of the trigger block at the lower end is lower than the lower end face of the baffle, when the sliding contact 541 moves towards the baffle, the extending contact 542 penetrates through the upper and lower ends of the baffle to be in contact with the first conducting piece 5441, and the first conducting piece 5441 is in an off state under a normal state of an elastic piece;
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 needle 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 needle 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 needle 564, the sliding needle 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 571 rotatably fitted at the bottom of the lift truck 3, a connecting shaft 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 of the lift truck 3 via a rotary seat, the output end of the correcting hydraulic cylinder 573 is rotatably fitted on the connecting shaft sleeve 572, one end of the steel cable 55 is fixed at the maximum radius of the side wall of the rotary block 571, the correcting circuit 545 and the winding circuit 544 are electrically connected with the control unit 4,
when the scissor type crane 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 make the sliding pin 564 abut against the sliding contact 541 to move forwards, thereby triggering the correction circuit 545, the correction circuit 545 gives a signal through electrical connection, the control unit 4 makes the correction hydraulic cylinder 573 pull the rotating block 571 to rotate, thereby making the steel cable 55 contract 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 micro-movement under the support of the reset spring 563, the steel cable 55 generates a pulling force to the fixed pulley 52 downwards along the fixed pulley 52, thereby balancing the scissor type crane 2, the scissor type lifting frame 2 is prevented from further inclining and returning, when the scissor type lifting frame 2 cannot return due to damage of a mechanical structure and continues to incline, the reset spring 563 is further compressed, the sliding pin 564 continues to push the sliding contact 541, the correction circuit 545 is disconnected, the winding circuit 544 is triggered to be communicated, the control unit 4 receives a signal and controls the winding mechanism 58 and the lifting hydraulic cylinder 22 to simultaneously contract, the scissor type lifting frame 2 is prevented from toppling, and therefore the operating personnel can be safely conveyed to the bottom surface, and therefore the safety of the operating personnel working at high altitude and encountering sudden conditions can be guaranteed.
To sum up, during the operation, the lift truck 3 is opened to the designated position, the fixed supporting leg 31 of the fixed supporting leg extends and is supported on the ground, the personnel stands on the operation platform 1 to control the scissor type crane 2 to rise, thereby the operation platform 1 is moved to the operation height, during the operation of the personnel, the steel cable 55 passes through the cable sleeve 565 and is fixed on the rotating block 571 around the fixed pulley 52 and the movable pulley 561, the steel cable 55 is tightened under the support of the reset spring 563, the sliding needle 564 is separated from the sliding contact 541, when the scissor type crane 2 inclines, the pull force of the steel cable 55 on the opposite side of the inclination direction to the movable pulley 561 is increased, thereby the movable pulley 561 pushes the reset spring 563 to make the sliding needle 564 move forwards against the sliding contact 541, thereby the correction circuit 545 is triggered, the correction circuit 545 gives a signal through the electrical connection, the control unit 4 makes the correction hydraulic cylinder 573 pull the rotating 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, and then the winding circuit 544 is triggered to be communicated, the control unit 4 receives the signal and then controls the winding mechanism 58 and the lifting hydraulic cylinder 22 to simultaneously contract, so that the scissor type lifting frame 2 is prevented from toppling, therefore, the operator can be safely conveyed to the bottom surface, and the safety of the operator in the case of emergency can be guaranteed when the operator works aloft.
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 (8)
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 of 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 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 arranged on each scissor frame (21), and the control unit (4) is electrically connected with the lifting hydraulic cylinder (22) and the anti-tilting mechanisms (5); the anti-inclination mechanism (5) comprises a first supporting plate (53) fixedly mounted on the outer side of an upper hinge point of the lowest scissors frame (21) and a second supporting plate (51) fixedly mounted on the outer side of a lower hinge point of the highest scissors frame (21), the two sides of the scissors type 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), an electric switch assembly (54) and a triggering mechanism (56) are arranged on the first supporting plate (53), a fixed pulley (52) is arranged on the second supporting 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).
2. The high altitude operating platform for garden tree care of claim 1, wherein: one end of the first supporting plate (53) and one end of the second supporting plate (51) are both provided with a through strip hole, and the strip holes are in sliding fit with the moving end at the hinged position of the scissor rack (21).
3. The high altitude operating platform for garden tree care of claim 2, wherein: an elongated slot is formed in the outer side of the other end of the first supporting plate (53), a triggering mechanism (56) is matched in the elongated slot, an electrical switch component (54) is fixedly installed between the elongated slot and the elongated hole, and the triggering mechanism (56) and the electrical switch component (54) are matched mechanisms.
4. A high altitude operation platform for garden tree care, as claimed in claim 3, wherein: the electric switch component (54) comprises a switch shell fixedly arranged between a long groove and a long hole, a winding circuit (544) and a correction circuit (545) are arranged in the switch shell, a limit sliding groove (546) is fixedly arranged at the middle position in the switch shell, the winding circuit (544) and the correction circuit (545) are disconnected at the limit sliding groove (546), thin walls are arranged on two sides of the middle position of the limit sliding groove (546), a second conducting sheet (5451) for communication is arranged at the thin walls on two sides of the correction circuit (545), a notch is formed in one end, close to the long hole, of the limit sliding groove (546), a first conducting sheet (5441) which is pressed and communicated is arranged at the opening of the winding circuit (544), a baffle is arranged between the thin walls and the notch, a sliding contact (541) is in sliding fit with one end, close to the long groove, of the limit sliding contact (546), and 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 connecting conducting pieces (5411), and the connecting conducting pieces (5411) and the second conducting pieces (5451) are matched mechanisms.
5. The high altitude operating platform for garden tree care of claim 4, wherein: an extending contact (542) is welded on one end face, close to the compression spring (543), of the sliding contact (541), and the extending contact (542) and the first conducting piece (5441) are matched mechanisms.
6. The high altitude operating platform for garden tree care of claim 5, wherein: trigger mechanism (56) is including movable pulley (561) of sliding fit in the elongated slot, and movable pulley (561) are walked around to cable wire (55), the fixed welding of one end of movable pulley (561) has slip dress needle (564), fixed mounting has limit stop (562) between movable pulley (561) and electrical property switch subassembly (54), the round hole has been seted up on limit stop (562), slip dress needle (564) sliding fit is in the round hole, be provided with reset spring (563) between limit stop (562) and movable pulley (561), and reset spring (563) cup joint on the outer wall of slip dress needle (564), one end that slip dress needle (564) passed limit stop (562) and sliding contact (541) are the mating mechanism, fixed welding has cable cover (565) between electrical property switch subassembly (54) and the elongated hole, and cable wire (55) pass cable cover (565).
7. The high altitude operating platform for garden tree care of claim 6, wherein: the correcting mechanism (57) comprises a rotating block (571) which is rotatably matched with the bottom of the lifting car (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 (571), the correcting hydraulic cylinder (573) is fixed on the bottom face of the lifting car (3) through a rotating seat, the output end of the correcting hydraulic cylinder (573) is rotatably matched with the connecting shaft sleeve (572), and one end of a steel cable (55) is fixed at the maximum radius of the side wall of the rotating block (571).
8. The high altitude operating platform for garden tree care of claim 7, wherein: the correction circuit (545) and the winding circuit (544) are electrically connected with the control unit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| JPH07133095A (en) * | 1993-11-10 | 1995-05-23 | Nippon Sharyo Seizo Kaisha Ltd | High lift work vehicle |
| CN106517043A (en) * | 2016-11-16 | 2017-03-22 | 国网山东省电力公司龙口市供电公司 | Power test climbing falling-prevention device |
| 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 |
| CN213365334U (en) * | 2020-12-21 | 2021-06-04 | 河北农业大学 | Orchard work platform static anti-tipping control system |
| 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 |
-
2022
- 2022-07-22 CN CN202210860080.2A patent/CN114922403B/en active Active
Patent Citations (8)
| 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 |
| CN106517043A (en) * | 2016-11-16 | 2017-03-22 | 国网山东省电力公司龙口市供电公司 | Power test climbing falling-prevention device |
| 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 |
| 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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| CN114922403B (en) | 2022-10-25 |
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