CN117923348B - Lifting platform for equipment maintenance - Google Patents
Lifting platform for equipment maintenance Download PDFInfo
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- CN117923348B CN117923348B CN202410341800.3A CN202410341800A CN117923348B CN 117923348 B CN117923348 B CN 117923348B CN 202410341800 A CN202410341800 A CN 202410341800A CN 117923348 B CN117923348 B CN 117923348B
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- bevel gear
- fixed
- hoisting
- driven bevel
- gear
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- 238000012423 maintenance Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 230000005540 biological transmission Effects 0.000 claims description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 9
- 230000008439 repair process Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of equipment maintenance hoisting, and provides a hoisting platform for equipment maintenance. According to the invention, through the arrangement of the gear, the rack, the crank connecting rod mechanism, the first contact sensor and the second contact sensor, the crank connecting rod mechanism can drive the rack to move, so that the rack drives the gear to rotate to change the rotation direction of the hoisting frame, and meanwhile, when the rack touches the first contact sensor or the second contact sensor, the rotation can be fed back to the controller to control the stop, so that accurate stop control can be realized each time, and the hoisting frame can hoist equipment to be maintained right above the maintenance turntable.
Description
Technical Field
The invention relates to the technical field of equipment maintenance and hoisting, in particular to a hoisting platform for equipment maintenance.
Background
The numerical control equipment needs to be overhauled and maintained after long-term operation or failure, and for the parts which are complex in equipment and have large weight, the parts need to be disassembled and then moved to a maintenance area for overhauling and maintenance operation. In maintenance, it is generally necessary to hoist and place the components on a maintenance turntable of a maintenance platform by a crane device, and to perform maintenance or repair on each side of the equipment components by rotating the maintenance turntable.
However, when the traditional maintenance lifting platform is used for lifting equipment to be maintained, the direction control is generally carried out by manually operating the lifting device so as to accurately lift the equipment to be maintained on a maintenance turntable of the maintenance platform, but the mode is time-consuming and labor-consuming;
At present, although electric driving can drive lifting equipment to rotate, an operator is required to accurately control a motor, so that the lifted equipment to be maintained can be accurately placed on a maintenance turntable;
Meanwhile, when the equipment to be maintained is hoisted in the rotation direction, larger shaking can be generated, manual support is needed, and the equipment is not convenient to use. A lifting platform for equipment repair is therefore proposed based on the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a lifting platform for equipment maintenance.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a hoisting platform for equipment maintenance, includes the operation panel, the surface of operation panel is provided with hoist and mount hoisting frame, the bottom of operation panel is connected with altitude mixture control subassembly, the inside of operation panel is provided with supporting cavity and oil groove that falls, the top of oil groove that falls is connected with the fretwork support frame, the surface mounting of fretwork support frame has the maintenance carousel, the bottom and the top in supporting cavity of hoist and mount hoisting frame are rotated and are connected, and the surface of hoist and mount hoisting frame bottom is provided with accurate rotary mechanism, accurate rotary mechanism includes the gear of fixed cup joint at hoist and mount hoisting frame bottom surface, one side meshing of gear is connected with the rack, one end of rack is connected with crank link mechanism, is driven the rack and removes by crank link mechanism, crank link mechanism is connected with outage meshing drive mechanism through first worm wheel worm switching-over subassembly;
The hoisting and paying-off mechanism comprises a winding and paying-off wheel and a steel wire rope wound on the surface of the winding and paying-off wheel, one end of the steel wire rope penetrates from the center of the bottom of the hoisting frame and extends to one end of the top of the hoisting frame to penetrate out, a stable hoisting assembly is fixed at one end of the top of the hoisting frame and is connected with the steel wire rope, and the winding and paying-off wheel is connected with an electrified meshing transmission mechanism through a second worm gear reversing assembly;
The back of operation panel is fixed with drive motor, drive motor's drive end extends to the inside of operation panel and is fixed with the initiative bevel gear, outage meshing drive mechanism's one end is connected with first driven bevel gear, the one end of circular telegram meshing drive mechanism is connected with the driven bevel gear of second, first contact sensor and second contact sensor are installed respectively to the both ends that the inner wall of operation panel is close to the rack for the travel of control rack, hoist and mount receive and release mechanism, accurate rotary mechanism, drive motor and stable hoist and mount subassembly all are connected with external control ware, when outage meshing drive mechanism outage, first driven bevel gear meshes with the initiative bevel gear, when circular telegram meshing drive mechanism circular telegram, the driven bevel gear of second meshes with the initiative bevel gear.
Preferably, the height adjusting assembly comprises four worm screw lifters, a supporting seat is fixed between the four worm screw lifters, a lifting driving motor is fixed on the surface of the supporting seat, a first steering gear is fixed on the driving end of the lifting driving motor, two ends of the first steering gear are respectively connected with a second steering gear, and two ends of the second steering gear are respectively connected with the worm screw lifters positioned on two sides of the second steering gear.
Preferably, the stable hoisting assembly comprises a positioning sleeve fixed at one end bottom of the hoisting frame, a fixed sleeve is fixed at the bottom of the positioning sleeve, a connecting block is arranged in the fixed sleeve, a lifting hook is fixed at the bottom of the connecting block, directional teeth are arranged on the outer surface of the connecting block, one end of the steel wire rope is connected with the connecting block, at least two symmetrically arranged electromagnet push rods are embedded in the side wall of the fixed sleeve, and a positioning clamping plate is fixed at the telescopic end of the electromagnet push rods and is separated from or clamped with the directional teeth.
Preferably, a proximity sensor is installed at the inner top of the fixed sleeve, and when the proximity sensor senses the connecting block, the controller controls the electromagnet push rod to be electrified and simultaneously controls the transmission motor to stop.
Preferably, the outage meshing drive mechanism includes the first bull stick of being connected with first worm gear reversing assembly and fixes the inside first backup pad of operation panel, the opposite side to first backup pad is worn out to the one end of first bull stick and is slided and cup jointed first sliding sleeve, the one end that first backup pad was kept away from to first sliding sleeve is passed through the bearing and is rotated with first driven bevel gear and be connected, first driven bevel gear cover is established at the surface of first bull stick, the one end that first driven bevel gear was kept away from to first sliding sleeve is fixed with first limiting plate, sliding connection has first gag lever post between first limiting plate and the first backup pad, the surface cover of first bull stick is equipped with first spring and first annular electromagnet, first annular electromagnet is fixed with first backup pad, first spring is fixed between first limiting plate and first backup pad.
Preferably, the power-on meshing transmission mechanism comprises a second rotating rod connected with the second worm gear reversing assembly and a second supporting plate fixed inside the operating platform, the outer surface of the second rotating rod is sleeved with a second sliding sleeve in a sliding mode, the second rotating rod and the second sliding sleeve are all penetrated out to the other side of the second supporting plate, one end of the second sliding sleeve is rotationally connected with a second driven bevel gear through a bearing, the second driven bevel gear is sleeved on the outer surface of the second rotating rod, one end, far away from the second driven bevel gear, of the second sliding sleeve is fixed with a second limiting plate, a second limiting rod is connected between the second limiting plate and the second supporting plate in a sliding mode, a second spring and a second annular electromagnet are sleeved on the outer surface of the second sliding sleeve, and the second annular electromagnet is fixed on the side wall of the second limiting plate and fixed between the second limiting plate and the second supporting plate.
Preferably, the first rotating rod and the second rotating rod are both provided with orientation keys close to the outer surface of one end of the driving bevel gear, and key grooves matched with the orientation keys are formed in the centers of the first driven bevel gear and the second driven bevel gear.
Preferably, the crank connecting rod mechanism comprises a rotary table, a rotary shaft is arranged on the surface of the rotary table, a connecting rod is rotatably connected to the rotary shaft, the connecting rod is rotatably connected with one end of a rack, and a supporting sliding frame is slidably connected to the back of the rack.
The invention provides a lifting platform for equipment maintenance. The beneficial effects are as follows:
According to the invention, through the arrangement of the gear, the rack, the crank connecting rod mechanism, the first contact sensor and the second contact sensor, the crank connecting rod mechanism can drive the rack to move, so that the rack drives the gear to rotate to change the rotation direction of the hoisting frame, and meanwhile, when the rack touches the first contact sensor or the second contact sensor, the rotation can be fed back to the controller to control the stop, so that accurate stop control can be realized each time, and the hoisting frame can hoist equipment to be maintained right above the maintenance turntable.
According to the invention, through the arrangement of the electrified meshing transmission mechanism and the outage meshing transmission mechanism, when the annular magnet is not electrified, the accurate rotation mechanism is in a state of being connected with the transmission motor, so that the transmission motor is convenient to control the lifting hoisting frame to rotate and accurately stop and control, and when the annular magnet is electrified, the lifting winding and unwinding mechanism is in a state of being connected with the transmission motor, so that the transmission motor can control the lifting of a steel wire rope, the lifting of equipment to be maintained is realized, the rotation and lifting operation of the lifting hoisting frame can be realized only by one transmission motor, and the design is more ingenious.
According to the invention, through the arrangement of the stable hoisting assembly, during hoisting, under the action of the positioning sleeve, the fixing sleeve and the connecting block, when the hoisting frame rotates to drive the equipment to be maintained, the equipment to be maintained cannot excessively swing, and the action of the electromagnet push rod, the directional teeth and the positioning clamping plate is that the hoisting frame rotates to drive the equipment to be maintained, the equipment to be maintained cannot twist a certain angle around the lifting hook, so that the hoisted equipment is more stably placed on the maintenance turntable without manual support.
Drawings
FIG. 1 is an overall schematic of a lifting platform for equipment servicing of the present invention;
FIG. 2 is a front cross-sectional view of an operator station in a lifting platform for equipment servicing in accordance with the present invention;
FIG. 3 is a top view in elevation of an operator station in a lifting platform for equipment servicing in accordance with the present invention;
FIG. 4 is an enlarged view of A in the lifting platform for equipment servicing of the present invention;
FIG. 5 is an enlarged view of B in the lifting platform for equipment servicing of the present invention;
FIG. 6 is a perspective view of the connection of a second driven bevel gear with a second sliding sleeve and a second rotating rod in the lifting platform for equipment maintenance;
FIG. 7 is a perspective view of a lifting hook of the present invention in a lifting platform for equipment servicing;
Fig. 8 is a partial block diagram of a stable hoisting assembly in a hoisting platform for equipment maintenance according to the present invention.
1, An operation table; 101. a support cavity; 102. pouring an oil groove; 2. hoisting a hoisting frame; 3. the hoisting assembly is stabilized; 31. positioning the pipe sleeve; 32. a fixed sleeve; 33. orientation teeth; 34. a lifting hook; 35. a proximity sensor; 36. an electromagnet push rod; 37. positioning a clamping plate; 4. maintaining the turntable; 5. hollow support frames; 6. a height adjustment assembly; 61. a worm gear screw lifter; 62. a support base; 63. a first steering gear; 64. a lifting driving motor; 65. a second diverter; 7. an accurate rotating mechanism; 71. a rack; 72. a gear; 73. a turntable; 74. a connecting rod; 75. a rotating shaft; 76. the first worm and gear reversing assembly; 77. the power-off meshing transmission mechanism; 771. a first rotating lever; 772. a first support plate; 773. a first annular electromagnet; 774. a first spring; 775. a first limiting plate; 776. a first sliding sleeve; 78. a first driven bevel gear; 8. hoisting the coiling and uncoiling mechanism; 81. a wire rope; 82. a take-up reel; 83. the second worm and gear reversing assembly; 84. electrifying and meshing the transmission mechanism; 841. a second rotating rod; 842. the second sliding sleeve; 843. a second limiting plate; 844. a second spring; 845. a second ring electromagnet; 846. a second support plate; 85. a second driven bevel gear; 9. a drive motor; 10. a drive bevel gear; 11. a first contact sensor; 12. and a second contact sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, those of ordinary skill in the art could obtain other embodiments without making any inventive effort, which fall within the scope of the present invention.
Example 1
As shown in fig. 1-6, the embodiment of the invention provides a lifting platform for equipment maintenance, which comprises an operation table 1, wherein a lifting frame 2 is arranged on the surface of the operation table 1, a supporting cavity 101 and an oil pouring groove 102 are arranged in the operation table 1, a hollow support frame 5 is connected to the top of the oil pouring groove 102, a maintenance turntable 4 is arranged on the surface of the hollow support frame 5, waste oil in equipment to be maintained can enter the oil pouring groove 102 through the hollow support frame 5, oil pollution to the table top of the operation table 1 is avoided, meanwhile, an oil drain pipeline and a waste water drain pipeline are also arranged at the bottom end of the oil pouring groove 102, valves are arranged on the surfaces of the oil drain pipeline and the waste water drain pipeline, the oil drain pipeline can be connected with an oil storage barrel and used for storing waste oil, and the waste water drain pipeline can be connected with an underground pipeline so as to drain waste water when the oil pouring groove 102 is inclined.
The bottom of hoist and mount hoisting frame 2 rotates with the top of supporting cavity 101 to be connected, and the surface of hoist and mount hoisting frame 2 bottom is provided with accurate rotary mechanism 7, accurate rotary mechanism 7 is including fixedly cup joint the gear 72 at hoist and mount hoisting frame 2 bottom surface, one side meshing of gear 72 is connected with rack 71, the one end of rack 71 is connected with crank link mechanism, drive rack 71 removal by crank link mechanism, crank link mechanism is connected with outage meshing drive mechanism 77 through first worm gear reversing assembly 76, the inside of operation panel 1 is provided with hoist and mount receive and release mechanism 8, hoist and mount receive and release mechanism 8 includes receive and release reel 82 and wire rope 81 winding on receive and release reel 82 surface, wire rope 81's one end penetrates from hoist and mount hoisting frame 2 bottom center department and extends to hoist and mount hoisting frame 2's top one end and wear out, avoid causing the influence to wire rope 81 when hoist and mount hoisting frame 2 direction of rotation, hoist and mount hoisting frame 2's top one end is fixed with stable hoist and mount subassembly 3, stable hoist and mount subassembly 3 is connected with wire rope 81, receive and release reel 82 is connected with circular telegram meshing drive mechanism 84 through second worm gear reversing assembly 83.
The back of the operation table 1 is fixed with a transmission motor 9, the driving end of the transmission motor 9 extends to the inside of the operation table 1 and is fixed with a drive bevel gear 10, one end of a power-off meshing transmission mechanism 77 is connected with a first driven bevel gear 78, one end of a power-on meshing transmission mechanism 84 is connected with a second driven bevel gear 85, two ends, close to a rack 71, of the inner wall of the operation table 1 are respectively provided with a first contact sensor 11 and a second contact sensor 12 for controlling the moving stroke of the rack 71, a hoisting pay-off and take-up mechanism 8, an accurate rotating mechanism 7, the transmission motor 9 and a stable hoisting assembly 3 are all connected with an external controller, when the power-off meshing transmission mechanism 77 is powered off, the first driven bevel gear 78 is meshed with the drive bevel gear 10, and when the power-on meshing transmission mechanism 84 is powered on, the second driven bevel gear 85 is meshed with the drive bevel gear 10.
The power-off engagement transmission mechanism 77 comprises a first rotating rod 771 connected with the first worm gear reversing assembly 76 and a first supporting plate 772 fixed inside the operating platform 1, one end of the first rotating rod 771 penetrates out to the other side of the first supporting plate 772 and is in sliding sleeve connection with a first sliding sleeve 776, one end of the first sliding sleeve 776, far away from the first supporting plate 772, is rotationally connected with a first driven bevel gear 78 through a bearing, the first driven bevel gear 78 is sleeved on the outer surface of the first rotating rod 771, one end of the first sliding sleeve 776, far away from the first driven bevel gear 78, is fixedly provided with a first limiting plate 775, a first limiting plate 775 and the first supporting plate 772 are connected with a first limiting rod in a sliding mode, the outer surface of the first rotating rod 771 is sleeved with a first spring 774 and a first annular electromagnet 773, the first annular electromagnet 773 is fixed with the first supporting plate 772, the first spring 774 is fixed between the first limiting plate 775 and the first supporting plate 772, and under the action of the first spring 774, the first driven bevel gear 78 is in a state of being pushed out to be meshed with the driving bevel gear 10, and therefore the first driven bevel gear 78 can directly rotate the first annular electromagnet 775 and enable the first driven bevel gear 775 to be directly driven to rotate under the action of the first annular electromagnet 776 when the first driving bevel gear 776 is enabled to be directly driven to realize the first rotation of the first annular electromagnet 776.
The power-on meshing transmission mechanism 84 comprises a second rotating rod 841 connected with the second worm and gear reversing assembly 83 and a second supporting plate 846 fixed inside the operating platform 1, a second sliding sleeve 842 is sleeved on the outer surface of the second rotating rod 841 in a sliding mode, the second rotating rod 841 and the second sliding sleeve 842 penetrate out to the other side of the second supporting plate 846, one end of the second sliding sleeve 842 is rotatably connected with a second driven bevel gear 85 through a bearing, the second driven bevel gear 85 is sleeved on the outer surface of the second rotating rod 841, one end of the second sliding sleeve 842, far away from the second driven bevel gear 85, is fixedly provided with a second limiting plate 843, a second limiting plate 843 and a second annular electromagnet 845 are sleeved on the outer surface of the second sliding sleeve 842, the second annular electromagnet 845 is fixed on the side wall of the second limiting plate 843, the second spring 844 is fixed between the second limiting plate 843 and the second supporting plate 846, and under the effect of the second spring 844, the second driven bevel gear 85 and the driving bevel gear 10 are in a separated state under the normal power-on condition, and therefore the second driven bevel gear 85 and the second annular bevel gear 8410 can not be attracted by the second annular electromagnet 845, and the driving bevel gear 10 can be meshed with the driving bevel gear 10 in a rotating mode.
The outer surfaces of one ends of the first rotating rod 771 and the second rotating rod 841, which are close to the driving bevel gear 10, are provided with directional keys, and key grooves matched with the directional keys are formed in the centers of the first driven bevel gear 78 and the second driven bevel gear 85, so that the first driven bevel gear 78 and the second driven bevel gear 85 can be in sliding connection with the first rotating rod 771 and the second rotating rod 841, and meanwhile the first driven bevel gear 78 and the second driven bevel gear 85 can not be influenced to drive the first rotating rod 771 and the second rotating rod 841 to rotate, and transmission is achieved.
The crank link mechanism comprises a rotary table 73, a rotary shaft 75 is arranged on the surface of the rotary table 73, a connecting rod 74 is rotatably connected to the rotary shaft 75, the connecting rod 74 is rotatably connected with one end of the rack 71, the rack 71 can be pushed to move forwards and backwards, and the back of the rack 71 is slidably connected with a supporting sliding frame to play a limiting role.
Working principle: when the device to be maintained is lifted, the device is firstly placed in front of the operation platform 1 and close to one side of the lifting frame 2, the device to be maintained is bound by a rope to be convenient for lifting, at the moment, the transmission motor 9 is started by the controller, the first driven bevel gear 78 is meshed with the driving bevel gear 10 when the power is off due to the power off meshing transmission mechanism 77, the first driven bevel gear 78 is meshed with the driving bevel gear 10 at the moment, the transmission motor 9 rotates and can drive the driving bevel gear 10 to rotate, the driving bevel gear 10 rotates and drives the first driven bevel gear 78 to rotate, the first worm gear reversing assembly 76 drives the crank connecting rod mechanism to rotate and drive the rack 71 to move, the rack 71 moves and drives the gear 72 to rotate, and the whole lifting frame 2 is driven to rotate, the hoisting crane 2 is rotated to the upper part of the maintenance equipment to be hoisted, when the gear 72 rotates to 90 degrees, the rack 71 is just contacted with the second contact sensor 12 (as shown in fig. 2), the second contact sensor 12 feeds back signals to the controller to control the driving motor 9 to stop, so that the hoisting crane 2 automatically stops rotating when driving to 90 degrees, then the controller controls the first annular electromagnet 773 and the second annular electromagnet 845 to be electrified, the second annular electromagnet 845 is electrified to enable the electrified meshing driving mechanism 84 to drive the second driven bevel gear 85 to drive the bevel gear 10, meanwhile, the first driven bevel gear 78 is separated from the driving bevel gear 10, the driving motor 9 can control the steel wire rope 81 to lift and hoist, after the hoisting is completed, the controller controls the first annular electromagnet 773 and the second annular electromagnet 845 to be powered off, thereby make first driven bevel gear 78 mesh with initiative bevel gear 10 again to start driving motor 9 and rotate, when gyration 90 for the equipment of hoist and mount is located just above maintenance carousel 4, rack 71 and first contact sensor 11 contact, driving motor 9 stops, make the accurate gyration of hoist and mount hoisting frame 2 to just above maintenance carousel 4, later carry out first annular electromagnet 773 and second annular electromagnet 845 circular telegram switching, can make control driving motor 9 drive wire rope 81 receive and releases, will wait the accurate hoist and mount of maintenance equipment at maintenance carousel 4 surface, only need a driving motor 9 can realize the rotation and the hoist and mount operation to hoist and mount hoisting frame 2 simultaneously, the design is more ingenious.
Example 2
In order to ensure the stability of the hoisted equipment when the hoisted equipment is driven to rotate by the hoisting frame 2 after hoisting the equipment, the equipment cannot shake greatly due to the change of the direction, the automation degree of the equipment hoisting is improved, and therefore the platform is further designed:
As shown in fig. 1 and 7-8, the stable hoisting assembly 3 comprises a positioning pipe sleeve 31 fixed at the bottom of one end of the hoisting frame 2, a fixed sleeve 32 is fixed at the bottom of the positioning pipe sleeve 31, a connecting block is arranged in the fixed sleeve 32, a lifting hook 34 is fixed at the bottom of the connecting block, directional teeth 33 are arranged on the outer surface of the connecting block, one end of a steel wire rope 81 is connected with the connecting block, at least two symmetrically arranged electromagnet push rods 36 are embedded in the side wall of the fixed sleeve 32, a positioning clamping plate 37 is fixed at the telescopic end of the electromagnet push rods 36, the positioning clamping plate 37 is separated from or clamped with the directional teeth 33, a proximity sensor 35 is arranged at the inner top of the fixed sleeve 32, when the proximity sensor 35 senses the connecting block, a controller controls the electromagnet push rods 36 to be electrified, and meanwhile, a transmission motor 9 is controlled to stop, so that the function of automatic stopping can be realized when the hoisting is carried out to the top end, and more automation is realized.
When the lifting device is lifted, the transmission motor 9 is controlled by the controller to rotate, the winding and unwinding wheel 82 is driven to rotate in a linkage manner to realize the unwinding, then the lifting hook 34 is hung on a lifting rope bound on the surface of the device to be maintained, the transmission motor 9 is started again to reversely rotate to drive the lifting hook 34 to ascend, when a connecting block at the top end of the lifting hook 34 ascends to the inside of the fixed sleeve 32, the connecting block is detected by the proximity sensor 35, the electromagnet push rod 36 is controlled by the controller to extend, the positioning clamping plate 37 is clamped in the directional tooth 33, wherein under the action of the positioning sleeve 31, the fixed sleeve 32 and the connecting block, the device to be maintained is prevented from excessively swinging when the lifting frame 2 rotates to drive the device to be maintained, and the electromagnet push rod 36, the directional tooth 33 and the positioning clamping plate 37 are prevented from twisting around the lifting hook 34 by a certain angle when the lifting frame 2 rotates to drive the device to be maintained in the rotation direction, so that the lifted device to be placed on the maintenance turntable 4 more stably.
Example 3
In order to facilitate the operator to be more comfortable when repairing the equipment through the platform, the platform is further improved:
As shown in fig. 1, the bottom of the operation table 1 is connected with a height adjusting assembly 6, the height of the platform can be adjusted according to actual demands, so that maintenance is more convenient, the height adjusting assembly 6 comprises four worm screw lifters 61, a supporting seat 62 is fixed between the four worm screw lifters 61, the surface of the supporting seat 62 is fixed with a lifting driving motor 64, the driving end of the lifting driving motor 64 is fixed with a first steering gear 63, two ends of the first steering gear 63 are respectively connected with a second steering gear 65, and two ends of the second steering gear 65 are respectively connected with the worm screw lifters 61 positioned at two sides of the second steering gear.
When the height of the platform needs to be adjusted, the lifting driving motor 64 is started, the lifting driving motor 64 rotates to drive the shafts at the two ends of the first steering gear 63 to rotate, the shafts at the two ends of the first steering gear 63 drive the two second steering gears 65 to rotate, the shafts at the two ends of the second steering gears 65 drive the worm gear screw lifters 61 to rotate, and accordingly the four worm gear screw lifters 61 are driven to synchronously lift, so that the height of the platform is stably adjusted, and the use requirements of different operators are met.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a hoisting platform for equipment repair, includes operation panel (1), the surface of operation panel (1) is provided with hoist and mount hoisting frame (2), the bottom of operation panel (1) is connected with high adjusting part (6), its characterized in that: the automatic lifting device is characterized in that a supporting cavity (101) and an oil pouring groove (102) are formed in the operating platform (1), a hollow supporting frame (5) is connected to the top of the oil pouring groove (102), a maintenance turntable (4) is mounted on the surface of the hollow supporting frame (5), the bottom of the lifting frame (2) is rotatably connected with the top of the supporting cavity (101), an accurate rotating mechanism (7) is arranged on the outer surface of the bottom of the lifting frame (2), the accurate rotating mechanism (7) comprises a gear (72) fixedly sleeved on the outer surface of the bottom of the lifting frame (2), a rack (71) is connected to one side of the gear (72) in a meshed mode, a crank connecting rod mechanism is connected to one end of the rack (71) and drives the rack (71) to move, and the crank connecting rod mechanism is connected with a power-off meshing transmission mechanism (77) through a first worm and gear reversing component (76);
The hoisting and paying-off device is characterized in that a hoisting and paying-off mechanism (8) is arranged in the operating platform (1), the hoisting and paying-off mechanism (8) comprises a winding and paying-off wheel (82) and a steel wire rope (81) wound on the surface of the winding and paying-off wheel (82), one end of the steel wire rope (81) penetrates from the center of the bottom of the hoisting and paying-off frame (2) and extends to one end of the top of the hoisting and paying-off frame (2) to penetrate out, a stable hoisting assembly (3) is fixed at one end of the top of the hoisting and paying-off frame (2), the stable hoisting assembly (3) is connected with the steel wire rope (81), and the winding and paying-off wheel (82) is connected with an electrified meshing transmission mechanism (84) through a second worm gear reversing assembly (83);
The back of operation panel (1) is fixed with drive motor (9), drive end of drive motor (9) extends to the inside of operation panel (1) and is fixed with initiative bevel gear (10), the one end of outage meshing drive mechanism (77) is connected with first driven bevel gear (78), the one end of circular telegram meshing drive mechanism (84) is connected with second driven bevel gear (85), first contact sensor (11) and second contact sensor (12) are installed respectively near the both ends of rack (71) in the inner wall of operation panel (1) for the travel of control rack (71), hoist and mount receive wire mechanism (8), accurate rotary mechanism (7), drive motor (9), stable hoist and mount subassembly (3) all are connected with external control ware, when outage meshing drive mechanism (77) outage, first driven bevel gear (78) mesh with initiative bevel gear (10), when circular telegram meshing drive mechanism (84) was circular telegram, second driven bevel gear (85) mesh with initiative bevel gear (10).
2. A lifting platform for equipment servicing according to claim 1, wherein: the height adjusting assembly (6) comprises four worm screw lifters (61), a supporting seat (62) is fixed between the four worm screw lifters (61), a lifting driving motor (64) is fixed on the surface of the supporting seat (62), a first steering gear (63) is fixed on the driving end of the lifting driving motor (64), second steering gears (65) are respectively connected to two ends of the first steering gear (63), and two ends of the second steering gear (65) are respectively connected with the worm screw lifters (61) located on two sides of the second steering gear.
3. A lifting platform for equipment servicing according to claim 1, wherein: the utility model provides a stable hoist and mount subassembly (3) is including fixing locating tube cover (31) in hoist and mount hoisting frame (2) one end bottom, the bottom of locating tube cover (31) is fixed with fixed cover (32), the inside of fixed cover (32) is provided with the connecting block, the bottom of connecting block is fixed with lifting hook (34), the surface of connecting block is provided with directional tooth (33), the one end and the connecting block of wire rope (81) are connected, the lateral wall of fixed cover (32) is inlayed and is equipped with at least two electro-magnet push rods (36) that are the symmetry and set up, the flexible end of electro-magnet push rod (36) is fixed with location cardboard (37), location cardboard (37) and directional tooth (33) separation or block.
4. A lifting platform for equipment servicing according to claim 3, wherein: and a proximity sensor (35) is arranged at the inner top of the fixed sleeve (32), and when the proximity sensor (35) senses the connecting block, the controller controls the electromagnet push rod (36) to be electrified and controls the transmission motor (9) to stop.
5. A lifting platform for equipment servicing according to claim 1, wherein: the power-off meshing transmission mechanism (77) comprises a first rotating rod (771) connected with a first worm gear reversing assembly (76) and a first supporting plate (772) fixed inside the operating table (1), one end of the first rotating rod (771) penetrates out to the other side of the first supporting plate (772) and is sleeved with a first sliding sleeve (776) in a sliding mode, one end of the first sliding sleeve (776) away from the first supporting plate (772) is rotationally connected with a first driven bevel gear (78) through a bearing, the first driven bevel gear (78) is sleeved on the outer surface of the first rotating rod (771), one end of the first sliding sleeve (776) away from the first driven bevel gear (78) is fixed with a first limiting plate (775), a first spring (774) and a first annular electromagnet (773) are sleeved on the outer surface of the first rotating rod (771), and the first supporting plate (775) is fixed between the first spring (774) and the first limiting plate (772).
6. A lifting platform for equipment servicing according to claim 5, wherein: the power-on meshing transmission mechanism (84) comprises a second rotating rod (841) connected with a second worm gear reversing assembly (83) and a second supporting plate (846) fixed inside the operating platform (1), a second sliding sleeve (842) is sleeved on the outer surface of the second rotating rod (841) in a sliding mode, the second rotating rod (841) and the second sliding sleeve (842) penetrate out to the other side of the second supporting plate (846), one end of the second sliding sleeve (842) is rotatably connected with a second driven bevel gear (85) through a bearing, the second driven bevel gear (85) is sleeved on the outer surface of the second rotating rod (841), a second limiting plate (843) is fixed at one end, far away from the second driven bevel gear (85), of the second sliding sleeve (842) and is connected with the second limiting rod in a sliding mode, a second spring (844) and a second annular electromagnet (845) are sleeved on the outer surface of the second sliding sleeve (842), and the second annular electromagnet (845) is fixed on the second supporting plate (843) and fixed between the second limiting plate (846).
7. A lifting platform for equipment servicing according to claim 6, wherein: the first rotating rod (771) and the second rotating rod (841) are respectively provided with an orientation key close to the outer surface of one end of the driving bevel gear (10), and key grooves matched with the orientation keys are respectively formed in the centers of the first driven bevel gear (78) and the second driven bevel gear (85).
8. A lifting platform for equipment servicing according to claim 1, wherein: the crank connecting rod mechanism comprises a rotary table (73), a rotary shaft (75) is arranged on the surface of the rotary table (73), a connecting rod (74) is rotatably connected to the rotary shaft (75), the connecting rod (74) is rotatably connected with one end of a rack (71), and a supporting sliding frame is slidably connected to the back of the rack (71).
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| CN202410341800.3A CN117923348B (en) | 2024-03-25 | 2024-03-25 | Lifting platform for equipment maintenance |
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| CN202410341800.3A CN117923348B (en) | 2024-03-25 | 2024-03-25 | Lifting platform for equipment maintenance |
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| CN117923348B true CN117923348B (en) | 2024-05-17 |
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| CN117383433A (en) * | 2023-11-29 | 2024-01-12 | 河北怀鸽起重机械集团有限公司 | Portable crane with adjustable field |
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2024
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|---|---|---|---|---|
| US4191301A (en) * | 1978-06-19 | 1980-03-04 | Auto Crane Company | Rotation limiter |
| JPH07215698A (en) * | 1994-01-31 | 1995-08-15 | Aichi Corp:Kk | Swivel safety device for swivel base |
| JP2011213462A (en) * | 2010-04-01 | 2011-10-27 | Ihi Construction Machinery Ltd | Boom turning limiting method and device of concrete pump vehicle with boom |
| CN105621279A (en) * | 2014-10-31 | 2016-06-01 | 无锡晟欧船舶设备有限公司 | Revolving crane with limiting function |
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| EP3786100A1 (en) * | 2019-09-02 | 2021-03-03 | FASSI GRU S.p.A. | Limited rotation slewing ring crane |
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| CN114179070A (en) * | 2020-09-14 | 2022-03-15 | 费斯托股份两合公司 | Support working device |
| CN117383433A (en) * | 2023-11-29 | 2024-01-12 | 河北怀鸽起重机械集团有限公司 | Portable crane with adjustable field |
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|---|---|
| CN117923348A (en) | 2024-04-26 |
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