CN108341372B - Telescopic folding type lifting device fixed on indoor ceiling - Google Patents
Telescopic folding type lifting device fixed on indoor ceiling Download PDFInfo
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- CN108341372B CN108341372B CN201711462108.2A CN201711462108A CN108341372B CN 108341372 B CN108341372 B CN 108341372B CN 201711462108 A CN201711462108 A CN 201711462108A CN 108341372 B CN108341372 B CN 108341372B
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- driving
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- seat
- lifting device
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a telescopic folding type lifting device fixed on an indoor ceiling, which comprises a folding type lifting device, a locking device, a resetting device and a control system for controlling the coordinated operation of the folding type lifting device, wherein a guide fixing device for guiding and preventing the folding type lifting device from falling off and a guide fixing driving device for driving the guide fixing device to operate are arranged in the folding type lifting device, the folding type lifting device comprises a fixed seat fixed on the indoor ceiling, a mounting box is arranged on the periphery of the fixed seat, a hinged seat is arranged on the lower end surface of the fixed seat, the hinged seat is connected with folding lifting rods, the folding lifting rods are connected in a cross mode through connecting bearings, a driving hydraulic cylinder is arranged at the lower end of the fixed seat, the output end of the driving hydraulic cylinder is vertically downward and is connected with a pushing rod, the pushing rod is connected with the, the lifting precision is high, the safety and the reliability are high, the equipment cost is low, and meanwhile, the service life is long.
Description
Technical Field
The invention relates to the technical field of lifting devices, in particular to a telescopic folding type lifting device fixed on an indoor ceiling.
Background
The lifting machine is a mechanical device driven by a hydraulic cylinder or a chain to lift, and is mainly used for high-altitude operation and high-altitude maintenance. The most safe and reliable lifting machine is a hydraulic lifting machine, is driven to lift by a hydraulic system, cannot suddenly fall under the condition of sudden power failure, and can operate a manual valve to slowly fall. Elevators play an important role in many industries.
The lifting device and mechanism commonly used at present mainly have: hydraulics, pulley mechanisms, screw drives, and the like. For example, chinese patent application No. 201210467547.3 discloses a lifter, which includes a base, a first screw lifting device and a second screw lifting device provided on the base, and a motor, wherein the motor drives the first screw lifting device and the second screw lifting device through a transmission rod; the transmission rod comprises a first rod section which is connected with the motor and the first screw lifting device; a second pole segment connected by a coupling; and a third rod section which is connected with the second screw rod lifting device through a coupler and drives the second screw rod lifting device.
Also, for example, the chinese patent application No. 201410419016.6 discloses a lifting device for a steel bar frame, which can realize automatic lifting and carrying by orderly stacking the steel bar frames on the material seat; the reinforcing steel frames on the material seat are sequentially conveyed to a high construction site one by one through the reinforcing steel support mechanism; the lifting device is high-efficiency, practical, safe and reliable, effectively improves the automation degree of lifting and carrying of the reinforcing steel bar frame,
in the first invention, the elevator is lifted by rotating the screw, the lifting stroke of the structure is short, if the lifting stroke is realized, the length of the screw is long, so that the elevator cannot be applied indoors, and meanwhile, the lifting by adopting the screw makes the structure of the equipment complicated and high in cost. Meanwhile, in the two inventions, the main body of the lifting device is arranged on the ground, and if the lifting device is applied indoors, the lifting device occupies an effective indoor space.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the telescopic folding type lifting device which is fixed on the indoor ceiling and has the advantages of high lifting precision, high safety and reliability, low equipment cost and long service life, and can effectively solve the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a telescopic folding lifting device fixed on an indoor ceiling comprises a folding lifting device, a locking device, a resetting device and a control system for controlling the coordinated operation of the folding lifting device, wherein a guide fixing device for guiding and preventing the folding lifting device from falling off and a guide fixing driving device for driving the guide fixing device to operate are arranged in the folding lifting device;
the foldable lifting device comprises a fixed seat fixed on an indoor ceiling, a mounting box is arranged on the periphery of the fixed seat, a hinged seat is arranged on the lower end face of the fixed seat and connected with a foldable lifting rod, the foldable lifting rod is connected with a connecting bearing in a cross connection mode, a driving hydraulic cylinder is arranged at the lower end of the fixed seat, the output end of the driving hydraulic cylinder is vertically downward and connected with a push rod, the push rod is connected with the connecting bearing, and the foldable lifting rod is connected with the mounting seat through the hinged seat.
Further, the direction fixing device comprises a plurality of direction fixing rods and direction fixing cylinders with the same number as the direction fixing rods, the lower ends of the direction fixing rods are fixedly connected with the mounting seat, the upper ends of the direction fixing cylinders are fixed on the lower end face of the fixing seat, bearings are arranged between the direction fixing cylinders and the fixing seat, and the direction fixing cylinders are in threaded connection with the direction fixing rods.
Further, the fixed drive arrangement of direction is including setting up the fixed drive gear of direction in the outside of the fixed section of thick bamboo of direction, setting up the drive gear carrier on the fixing base and setting up the drive rack on the catch bar pole body, be provided with drive gear on the drive gear carrier, drive rack and drive gear meshing link to each other through the hold-in range between the fixed drive gear of adjacent direction, link to each other through the transfer line between drive gear and one of them fixed drive gear of direction link to each other through the hold-in range between drive gear and the fixed drive gear of direction.
Furthermore, the locking device comprises a locking driving sliding groove arranged at the lower end of the side face of the mounting box and a locking cylinder arranged at the lower end of the locking driving sliding groove, a locking driving sliding seat is arranged in the locking driving sliding groove and connected with a locking pushing plate, a locking pin rod is arranged in the locking cylinder, and a locking pushing spring is arranged between the locking pin rod and the cylinder bottom of the locking cylinder.
Further, resetting means is including setting up the board that resets on the mounting box inner wall and setting up the reset seat in a locking section of thick bamboo below, the board that resets is located the locking slurcam directly over, it promotes reset spring to reset to be provided with between board and the locking slurcam, reset seat and mounting box rigid coupling, be provided with the drive frame on the reset seat, be provided with reset drive gear on the drive frame, reset drive gear is connected with reset driving motor, the lower extreme of locking pin pole is provided with the drive rack that resets, be provided with the drive mouth that resets that is used for exposing the drive rack that resets on the stack shell of a locking section of thick bamboo, reset drive gear passes reset drive mouth and the drive rack that resets and meshes.
Further, control system is including setting up drive contact plate and the control box in a locking section of thick bamboo, drive contact plate is located between the bobbin base and the locking pin pole of a locking section of thick bamboo, be provided with control chip in the control box, control chip is connected with motor controller, hydraulic cylinder controller, reset pressure sensor and contact pick-up, motor controller and the drive motor that resets and control its function, hydraulic cylinder controller links to each other with drive hydraulic cylinder and controls its function, reset pressure sensor sets up the top at locking drive spout, contact pick-up sets up on the face that drive contact plate is just to the locking pin pole.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the foldable lifting device, the output end of the driving hydraulic cylinder is connected with the push rod, when the output end of the driving hydraulic cylinder extends downwards, the push rod can be driven to move downwards, the foldable lifting rods are connected in a cross mode through the connecting bearings and form a parallelogram structure, and by means of instability of the parallelogram, when the push rod moves downwards, the parallelogram structure formed by the foldable lifting rods can deform, so that the distance between the mounting seat and the fixed seat is changed, and the telescopic and foldable lifting function is realized;
(2) in the invention, because the telescopic air conditioner is arranged on the indoor ceiling, the telescopic air conditioner can be away from one end of the ground when being contracted, thereby avoiding influencing the normal work or life in the room and reducing the occupation of the effective space in the room;
(3) the foldable lifting device is provided with the guide fixing device, so that a guide function can be provided for the foldable lifting device when the foldable lifting device operates, meanwhile, as the guide fixing cylinder in the guide fixing device is in threaded connection with the guide fixing rod, the connection between the guide fixing cylinder and the guide fixing rod is reliable, the foldable lifting device can be prevented from falling off from the fixed seat, and as the length of the guide fixing device is always equal to the distance between the mounting seat and the fixed seat, the foldable lifting device can be prevented from falling off in the operation process of the foldable lifting device, and the operation safety and reliability of the device are ensured;
(4) the guide fixing driving device drives the guide fixing device, which is a power source of the guide fixing device, and the power source of the guide fixing driving device is a folding type lifting device, so that additional power equipment is not needed, and the equipment cost of the whole device is reduced;
(5) the invention sets a locking device and a reset device, wherein the locking device can provide supporting force for the folding lifting device when the folding lifting device is in a retraction state, so that a hydraulic cylinder is driven to be unnecessary to process a load state constantly, thereby prolonging the service life of the lifting device, the reset device can enable the locking device to return to an initial state, avoiding influencing the normal operation of the folding lifting device, and simultaneously controlling the folding lifting device, the locking device and the reset device to operate coordinately through a control system.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the guiding fixture driving apparatus according to the present invention;
FIG. 3 is a schematic view of the structure of the transmission rod of the present invention;
fig. 4 is a schematic structural diagram of the locking device of the present invention.
Reference numbers in the figures:
1-a folding lifting device; 2-guiding the fixing device; 3-guiding the fixed driving device; 4-a locking device; 5-a resetting device; 6-a control system;
101-a fixed seat; 102-mounting a box; 103-a hinged seat; 104-folding lifting rod; 105-connecting bearings; 106-driving hydraulic cylinder; 107-push rod; 108-a mount;
201-guiding fixed rods; 202-guiding a fixed cylinder; 203-a bearing;
301-guide fixed drive gear; 302-a gear carrier; 303-driving the rack; 304-a drive gear; 305-a synchronous belt; 306-a transmission rod;
401-locking the drive runner; 402-a locking cylinder; 403-locking the driving slide; 404-locking pushing plate; 405-a locking pin lever; 406-locking the push spring;
501-a reset plate; 502-reset seat; 503-pushing a return spring; 504-a drive frame; 505-reset drive gear; 506-resetting the driving motor; 507-resetting the driving rack; 508-reset drive port;
601-driving contact plate; 602-a control box; 603-a control chip; 604-a motor controller; 605-hydraulic cylinder controller; 606-resetting the pressure sensor; 607-contact sensor.
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.
As shown in fig. 1 to 4, the present invention provides a telescopic folding lifting device fixed on an indoor ceiling, comprising a folding lifting device 1, a locking device 4, a reset device 5 and a control system 6 for controlling the three devices to operate cooperatively, wherein a guiding fixing device 2 for guiding and preventing the folding lifting device 1 from falling off and a guiding fixing driving device 3 for driving the guiding fixing device 2 to operate are arranged in the folding lifting device 1.
As shown in fig. 1, in the present invention, the folding lifting device 1 includes a fixed seat 101 fixed on an indoor ceiling, a mounting box 102 is disposed around the fixed seat 101, a hinged seat 103 is disposed on a lower end surface of the fixed seat 101, the hinged seat 103 is connected with a folding lifting rod 104, the folding lifting rod 104 is cross-connected through a connecting bearing 105, a driving hydraulic cylinder 106 is disposed at a lower end of the fixed seat 101, an output end of the driving hydraulic cylinder 106 is vertically downward and connected with a push rod 107, the push rod 107 is connected with the connecting bearing 105, and the folding lifting rod 104 is connected with a mounting seat 108 through the hinged seat 103.
In the folding lifting device 1 of the present invention, the output end of the driving hydraulic cylinder 106 is connected with the pushing rod 107, when the output end of the driving hydraulic cylinder 106 extends downward, the pushing rod 107 is driven to move downward, because the folding lifting rods 104 are cross-connected by the connecting bearing 105 and form a parallelogram structure, by utilizing the instability of the parallelogram, when the pushing rod 107 moves downward, the parallelogram structure formed by the folding lifting rods 104 deforms, thereby changing the distance between the mounting seat 108 and the fixed seat 101, and realizing the lifting function.
As shown in fig. 2, in the present invention, the guiding fixing device 2 includes a plurality of guiding fixing rods 201 and guiding fixing cylinders 202, the number of which is the same as that of the guiding fixing rods 201, the lower ends of the guiding fixing rods 201 are fixedly connected to the mounting seat 108, the upper ends of the guiding fixing cylinders 202 are fixed to the lower end surface of the fixing seat 101, a bearing 203 is disposed between the guiding fixing cylinders 202 and the fixing seat 101, and the guiding fixing cylinders 202 are in threaded connection with the guiding fixing rods 201.
As shown in fig. 2 and 3, in the present invention, the guide fixing driving device 3 includes a guide fixing driving gear 301 disposed outside the guide fixing cylinder 202, a transmission gear carrier 302 disposed on the fixing base 101, and a driving rack 303 disposed on the shaft of the push rod 107, the transmission gear carrier 302 is provided with a transmission gear 304, the driving rack 303 is engaged with the transmission gear 304, adjacent guide fixing driving gears 301 are connected by a synchronous belt 305, the transmission gear 304 is connected with one of the guide fixing driving gears 301 by a transmission rod 306, the transmission rod 306 includes a transmission bracket 307 disposed on the fixing base 101, the transmission bracket 307 is provided with a transmission sleeve 308, the transmission sleeve 308 is rotatably inserted into the transmission sleeve 309, two ends of the transmission rod 309 are provided with connecting gears 310, the transmission gear 304, the transmission rod 304, the, The fixed driving gear 301 and the connecting gear 310 are both bevel gears, and the transmission gear 304 and the fixed driving gear 301 are respectively meshed with the connecting gears 310 at both ends of the transmission rod 309.
In the present invention, the guiding and fixing driving device 3 drives the guiding and fixing device 2, which is the power source of the guiding and fixing device 2, and the power source of the guiding and fixing driving device 3 is the folding type lifting device 1. When the folding lifting device 1 operates, the position of the push rod 107 is changed, so that the driving rack 303 arranged on the push rod moves, the driving rack 303 is meshed with the transmission gear 304, when the driving rack 303 moves, the transmission gear 304 rotates, meanwhile, the transmission gear 304 drives one of the guide fixed driving gears 301 through the transmission rod 307, the guide fixed driving gears 301 drive the other guide fixed driving gears 301 to rotate through the synchronous belt 305, as the guide fixed driving gears 301 are sleeved outside the guide fixed cylinder 202 and fixedly connected with the guide fixed cylinder 202, when the guide fixed driving gears 301 rotate, the guide fixed cylinder 202 rotates along with the guide fixed cylinder, and as the bearing 203 is arranged between the guide fixed cylinder 202 and the fixed seat 101, the guide fixed cylinder 202 can freely rotate on the fixed seat 101; because the fixed section of thick bamboo 202 of direction and direction dead lever 201 threaded connection, and the lower extreme and the mount pad 108 rigid coupling of direction dead lever 201, when the fixed section of thick bamboo 202 of direction rotated, the fixed section of thick bamboo 202 of direction can constantly keep away from direction dead lever 201 for the length of whole direction fixing device 2 is elongated, and this length equals with the distance between mount pad 108 and the fixing base 101 all the time, makes direction fixing device 2 can not influence the function of foldable elevating gear 1.
In the above description, when the folding lifting device 1 is operated, that is, the mounting seat 108 is lifted, the guiding fixing rod 201 goes in and out of the guiding fixing cylinder 202 to provide a guiding function for the operation of the folding lifting device 1, and because the guiding fixing cylinder 202 is in threaded connection with the guiding fixing rod 201, the connection between the guiding fixing cylinder 202 and the guiding fixing rod 201 is reliable, which can prevent the folding lifting device 1 from falling off from the fixing seat 101, and because the length of the whole guiding fixing device 2 is always equal to the distance between the mounting seat 108 and the fixing seat 101, the guiding fixing device 2 can provide an auxiliary fixing function for the folding lifting device 1 in the whole process of the operation of the folding lifting device 1, which prevents the folding lifting device 1 from falling off, thereby ensuring the operation safety and reliability of the device.
As shown in fig. 4, in the present invention, the locking device 4 includes a locking driving slide slot 401 disposed at the lower end of the side surface of the mounting box 102 and a locking cylinder 402 disposed at the lower end of the locking driving slide slot 401, a locking driving slide carriage 403 is disposed in the locking driving slide slot 401, the locking driving slide carriage 403 is connected to a locking pushing plate 404, a locking pin rod 405 is disposed in the locking cylinder 402, and a locking pushing spring 406 is disposed between the locking pin rod 405 and the bottom of the locking cylinder 402.
In the locking device 4 of the present invention, when it is not triggered, the locking driving slide 403 is located at the lowest end of the locking driving slide channel 401, the locking driving slide 403 blocks the locking pin rod 405 and the locking pushing spring 406 in the locking cylinder 402, the locking pushing spring 406 is in a compressed state, the right end of the locking pin rod 405 is pressed against and presses the locking driving slide 403, when the elevator mechanism is used and retracted, the mounting seat 108 moves upward, when the mounting seat 108 contacts and drives the locking pushing plate 404 to move upward, because the pushing plate 404 is connected with the locking driving slide 403, the locking driving slide 403 moves upward in the locking driving slide channel 401 to expose the locking pushing spring 406, when the locking pushing spring 406 is completely exposed, it releases the potential energy stored due to compression, thereby pushing the right end of the locking pin rod 405 to move out of the locking cylinder 402 and move to the lower end of the mounting seat 108, the mounting seat 108 is provided with upward supporting force, the driving hydraulic cylinder 106 is prevented from being in a load state, and the service life of the driving hydraulic cylinder is prolonged.
As shown in fig. 4, in the present invention, the resetting device 5 includes a resetting plate 501 disposed on an inner wall of the mounting box 102 and a resetting seat 502 disposed below the locking cylinder 402, the resetting plate 501 is located right above the locking pushing plate 404, a pushing resetting spring 503 is disposed between the resetting plate 501 and the locking pushing plate 404, the resetting seat 502 is fixedly connected to the mounting box 102, a driving frame 504 is disposed on the resetting seat 502, a resetting driving gear 505 is disposed on the driving frame 504, the resetting driving gear 505 is connected to a resetting driving motor 506, a resetting driving rack 507 is disposed at a lower end of the locking pin 405, a resetting driving port 508 for exposing the resetting driving rack 507 is disposed on a cylinder body of the locking cylinder 402, and the resetting driving gear 505 is engaged with the resetting driving rack 507 through the resetting driving port 508.
Before the folding lifting device 1 in the present invention is operated, the reset device 5 needs to be operated, so that the locking pin 405 moves back into the locking cylinder 402, so that the mounting seat 108 can normally descend. In the resetting device 5, the resetting driving motor 506 drives the resetting driving gear 505 to rotate, the rotation of the resetting driving gear 505 drives the resetting driving rack 507 engaged with the resetting driving gear to move, so that the locking pin rod 405 retracts into the locking cylinder 402, the mounting seat 108 can normally descend, along with the descending of the mounting seat 108, the locking driving slide carriage 403 gradually descends to the lowest end of the locking driving slide groove 401, the locking pin rod 405 is blocked in the locking cylinder 402 again, and the locking device 4 returns to the initial state.
As shown in fig. 4, in the present invention, the control system 6 includes a driving contact plate 601 and a control box 602 disposed in the locking cylinder 402, the driving contact plate 601 is located between the bottom of the locking cylinder 402 and the locking pin 405, a control chip 603 is disposed in the control box 602, the control chip 603 is connected to a motor controller 604, a hydraulic cylinder controller 605, a reset pressure sensor 606 and a contact sensor 607, the motor controller 604 controls the operation of the reset driving motor 506, the hydraulic cylinder controller 605 is connected to the driving hydraulic cylinder 106 and controls the operation thereof, the reset pressure sensor 606 is disposed at the uppermost end of the locking driving slide channel 401, and the contact sensor 607 is disposed on a surface of the driving contact plate 604 facing the locking pin 405.
In the invention, the control system 6 controls the folding lifting device 1, the locking device 4 and the resetting device 5 to operate in coordination. When the control system 6 receives an instruction of lowering the folding lifting device 1, the control system 6 operates the reset device 5, the control chip 603 controls the reset driving motor 506 through the motor controller 604, so that the locking pin rod 405 moves back into the locking cylinder 402, and the locking of the locking device 4 is released; when the locking pin rod 405 moves in the locking cylinder 402 and contacts with the contact sensor 607 on the driving contact plate 601, the contact sensor 607 transmits the signal to the control chip 603, the control chip 603 stops the reset driving motor 506 through the motor controller 604, and simultaneously controls the driving hydraulic cylinder 106 to operate through the hydraulic cylinder controller 605, so that the folding lifting device 1 operates;
when the control system 6 receives the instruction to retract the folding lifting device 1, the control chip 603 controls the driving hydraulic cylinder 106 to operate through the hydraulic cylinder controller 605, so that the folding lifting device 1 is retracted, the mounting seat 108 moves upwards continuously, the mounting block 108 is moved upward together with the locking pusher plate 404 when it is contacted, thereby moving the locking drive slide 403 upward within the locking drive slide channel 401, and when the locking drive slide 403 moves to the uppermost end of the locking drive slide channel 401 and comes into contact with the reset pressure sensor 606, the reset pressure sensor 606 transmits the signal to the control chip 603, and the control chip 603 controls the driving cylinder 106 to stop operating through the cylinder controller 605, and simultaneously causes the reset driving motor 506 to start operating through the motor controller 604, thereby extending the locking pin 405 back into the locking barrel 402 so that the mount 108 may not be able to descend.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a fix at folding elevating gear of flexible of indoor ceiling which characterized in that: the device comprises a folding lifting device (1), a locking device (4), a resetting device (5) and a control system (6) for controlling the coordinated operation of the folding lifting device, wherein a guide fixing device (2) for guiding and preventing the falling off when the folding lifting device (1) operates and a guide fixing driving device (3) for driving the guide fixing device (2) to operate are arranged in the folding lifting device (1);
the foldable lifting device (1) comprises a fixed seat (101) fixed on an indoor ceiling, mounting boxes (102) are arranged on the periphery of the fixed seat (101), a hinged seat (103) is arranged on the lower end face of the fixed seat (101), the hinged seat (103) is connected with a foldable lifting rod (104), the foldable lifting rods (104) are connected in a cross mode through a connecting bearing (105), a driving hydraulic cylinder (106) is arranged at the lower end of the fixed seat (101), the output end of the driving hydraulic cylinder (106) is vertically downward and is connected with a pushing rod (107), the pushing rod (107) is connected with the connecting bearing (105), and the foldable lifting rod (104) is connected with a mounting seat (108) through the hinged seat (103);
the guide fixing driving device (3) comprises a guide fixing driving gear (301) arranged outside the guide fixing barrel (202), a transmission gear carrier (302) arranged on the fixing seat (101) and a driving rack (303) arranged on the rod body of the push rod (107), wherein a transmission gear (304) is arranged on the transmission gear carrier (302), the driving rack (303) is meshed with the transmission gear (304), the adjacent guide fixing driving gears (301) are connected through a synchronous belt (305), and the transmission gear (304) is connected with one of the guide fixing driving gears (301) through a transmission rod (306).
2. A telescopic folding type lifting device fixed to an indoor ceiling as claimed in claim 1, wherein: the guide fixing device (2) comprises a plurality of guide fixing rods (201) and guide fixing cylinders (202) the number of which is the same as that of the guide fixing rods (201), the lower ends of the guide fixing rods (201) are fixedly connected with the mounting seat (108), the upper ends of the guide fixing cylinders (202) are fixed on the lower end face of the fixing seat (101), bearings (203) are arranged between the guide fixing cylinders (202) and the fixing seat (101), and the guide fixing cylinders (202) are in threaded connection with the guide fixing rods (201).
3. A telescopic folding type lifting device fixed to an indoor ceiling as claimed in claim 1, wherein: the locking device (4) comprises a locking driving sliding groove (401) arranged at the lower end of the side face of the mounting box (102) and a locking cylinder (402) arranged at the lower end of the locking driving sliding groove (401), a locking driving sliding seat (403) is arranged in the locking driving sliding groove (401), the locking driving sliding seat (403) is connected with a locking pushing plate (404), a locking pin rod (405) is arranged in the locking cylinder (402), and a locking pushing spring (406) is arranged between the locking pin rod (405) and the cylinder bottom of the locking cylinder (402).
4. A telescopic folding type lifting device fixed to an indoor ceiling as claimed in claim 3, wherein: the reset device (5) comprises a reset plate (501) arranged on the inner wall of the mounting box (102) and a reset seat (502) arranged below the locking cylinder (402), the reset plate (501) is positioned right above the locking push plate (404), a push reset spring (503) is arranged between the reset plate (501) and the locking push plate (404), the reset seat (502) is fixedly connected with the mounting box (102), a driving frame (504) is arranged on the reset seat (502), a reset driving gear (505) is arranged on the driving frame (504), the reset driving gear (505) is connected with a reset driving motor (506), the lower end of the locking pin rod (405) is provided with a reset driving rack (507), a reset driving port (508) used for exposing a reset driving rack (507) is arranged on the cylinder body of the locking cylinder (402), the reset driving gear (505) penetrates through the reset driving port (508) to be meshed with the reset driving rack (507).
5. A telescopic folding type lifting device fixed to an indoor ceiling as claimed in claim 1, wherein: the control system (6) comprises a driving contact plate (601) and a control box (602) which are arranged in the locking cylinder (402), the driving contact plate (601) is positioned between the cylinder bottom of the locking cylinder (402) and the locking pin rod (405), a control chip (605) is arranged in the control box (602), the control chip (605) is connected with a motor controller (604), a hydraulic cylinder controller (605), a reset pressure sensor (606) and a contact sensor (607), the motor controller (604) and the reset driving motor (506) control the operation thereof, the hydraulic cylinder controller (605) is connected with the driving hydraulic cylinder (106) and controls the operation of the driving hydraulic cylinder, the reset pressure sensor (606) is arranged at the uppermost end of the locking driving chute (401), the contact sensor (607) is arranged on the surface of the driving contact plate (601) opposite to the locking pin rod (405).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462108.2A CN108341372B (en) | 2017-12-28 | 2017-12-28 | Telescopic folding type lifting device fixed on indoor ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462108.2A CN108341372B (en) | 2017-12-28 | 2017-12-28 | Telescopic folding type lifting device fixed on indoor ceiling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108341372A CN108341372A (en) | 2018-07-31 |
| CN108341372B true CN108341372B (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711462108.2A Active CN108341372B (en) | 2017-12-28 | 2017-12-28 | Telescopic folding type lifting device fixed on indoor ceiling |
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| CN112924895A (en) * | 2021-01-28 | 2021-06-08 | 李虹 | Robot for automatically detecting short circuit of line for power grid |
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| CN202529780U (en) * | 2012-03-20 | 2012-11-14 | 唐国卫 | Inhaul cable type indoor lifting layer |
| CN106698249A (en) * | 2015-11-16 | 2017-05-24 | 刘宇航 | Lifting platform for decoration of ceiling of building |
| CN205299016U (en) * | 2016-01-26 | 2016-06-08 | 王燕军 | Utensil raising and lowering functions's furred ceiling projecting apparatus |
| CN206499218U (en) * | 2016-08-08 | 2017-09-19 | 李亿征 | A kind of screw-type Novel lifting bed |
| CN107055384A (en) * | 2017-06-05 | 2017-08-18 | 盐城东方天成机械有限公司 | A kind of safe hydraulic pressure lift |
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2017
- 2017-12-28 CN CN201711462108.2A patent/CN108341372B/en active Active
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| CN108341372A (en) | 2018-07-31 |
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