CN109057467B - Lifting mechanism for vehicle carrying plate - Google Patents
Lifting mechanism for vehicle carrying plate Download PDFInfo
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- CN109057467B CN109057467B CN201810949820.3A CN201810949820A CN109057467B CN 109057467 B CN109057467 B CN 109057467B CN 201810949820 A CN201810949820 A CN 201810949820A CN 109057467 B CN109057467 B CN 109057467B
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- traction rope
- driving wheel
- traction
- carrying plate
- vehicle carrying
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- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 238000005452 bending Methods 0.000 claims abstract description 21
- 230000003028 elevating effect Effects 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000003466 welding Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/08—Garages for many vehicles
- E04H6/12—Garages for many vehicles with mechanical means for shifting or lifting vehicles
- E04H6/18—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/08—Garages for many vehicles
- E04H6/12—Garages for many vehicles with mechanical means for shifting or lifting vehicles
- E04H6/18—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions
- E04H6/188—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions using only vertical transport means
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/42—Devices or arrangements peculiar to garages, not covered elsewhere, e.g. securing devices, safety devices, monitoring and operating schemes; centering devices
Abstract
The application provides a year sweep elevating system includes: the lifting frame is fixed on a transmission assembly and a driving device on the lifting frame, the transmission assembly comprises a traction assembly and a transmission assembly, and the traction assembly is connected with the driving device; the conveying assembly comprises a first traction rope, a first driving wheel and a second driving wheel, wherein two ends of the first traction rope are respectively connected with the vehicle carrying plate, a first closed loop is formed through the first traction rope and the vehicle carrying plate, the first driving wheel is arranged inside the first closed loop, and the second driving wheel is arranged outside the first closed loop; the first traction rope is lapped on the first driving wheel and the second driving wheel; the traction assembly is connected with the bending point of the first traction rope, and the traction assembly is driven by the driving device to drive the bending point to move so as to drive the two ends of the first traction rope and the vehicle carrying plate to ascend or descend. The traction rope storage device solves the problem that the traction ropes are different in length and are stretched to deform to cause that the vehicle carrying plate cannot stably move.
Description
Technical Field
The application relates to the field of parking garages, in particular to a car carrying plate lifting mechanism.
Background
The mechanical stereo garage is one kind of parking equipment and is one kind of special equipment, and includes lifting and transverse moving type, vertical lifting type, plane moving type, vertical circulating type, simple lifting type, multilayer circulating type, tunnel stacking type, etc. The mechanical stereo garage has the following advantages: 1. the access is convenient; 2. the safety and the reliability are high; 3. the operation is economical; 4. the maintenance is simple and the maintenance cost is low; 5. the floor area is small, the construction cost is low, and no traffic jam is caused.
In the domestic market at present, three multi-layer lifting and transversely-moving lifting modes are generally used for a mechanical garage, namely a lifting and lifting mode of a chain type transmission structure, a lifting and lifting mode of a hydraulic transmission structure and a lifting and lifting mode of a common reel traction rope transmission structure. The lifting and lifting mode of the hydraulic transmission structure has the defects of complex equipment, high manufacturing cost, complex maintenance, insufficient technology and the like, so that the multi-layer lifting and transverse lifting transmission mode used in the domestic mechanical stereo garage mainly comprises a chain transmission structure and a common reel traction rope transmission structure. In the mainstream multilayer lifting and traversing lifting mode, the chain type transmission structure is complex, and compared with the common reel steel wire rope transmission structure, the chain type lifting and traversing lifting mechanism has higher manufacturing cost and complex maintenance. Therefore, a reel traction rope transmission structure is mostly adopted in the existing mechanical garage.
However, when lifting a vehicle and a vehicle carrying plate carrying the vehicle by a drum hauling rope transmission structure, storage of the drum hauling rope for lifting the vehicle has been problematic. In the prior art, most reel hauling ropes of lifting vehicles are placed or stored by a conveying wheel or a roller along with the driving of a power source. Therefore, the problem that the lengths of the winding drum traction ropes on two sides of the vehicle carrying plate are different due to uneven winding of the winding drum traction ropes and the like can be caused when the winding drum traction ropes are stored or released, the vehicle carrying plate is unstable, the winding drum traction ropes are deformed and lengthened after long-time use, and the vehicle carrying plate cannot move stably.
Disclosure of Invention
The technical problem that this application mainly solves is to provide a year sweep elevating system, can solve the haulage rope and accomodate the haulage rope length that leads to carrying sweep both sides and the haulage rope is by the elongation deformation lead to carrying the sweep can not stable problem of removing.
In order to solve the technical problems, one technical scheme adopted by the application is as follows: the utility model provides a year sweep elevating system includes: the lifting frame is fixed on a transmission assembly and a driving device on the lifting frame, the transmission assembly comprises a traction assembly and a transmission assembly, and the traction assembly is connected with the driving device; the conveying assembly comprises a first traction rope, a first driving wheel and a second driving wheel, wherein two ends of the first traction rope are respectively connected with the vehicle carrying plate, a first closed loop is formed through the first traction rope and the vehicle carrying plate, the first driving wheel is arranged in the first closed loop, and the second driving wheel is arranged outside the first closed loop; the first traction rope is lapped on the first driving wheel, extends along a first direction and is bent, extends towards a second direction opposite to the first direction and is lapped on the second driving wheel; the traction assembly is connected with the bending point of the first traction rope, and the traction assembly is driven by the driving device to drive the bending point to move so as to drive the two ends of the first traction rope and the vehicle carrying plate to ascend or descend.
The traction assembly comprises a chain wheel, a third driving wheel and a second traction rope, one side of the second traction rope is lapped on the third driving wheel and the chain wheel to form a second closed loop, and the third driving wheel and the chain wheel are positioned in the second closed loop; the second traction rope is connected with the bending point of the first traction rope.
Wherein at least part of the second traction rope is a chain, and the chain is meshed with the chain wheel.
The first driving wheel, the second driving wheel and the third driving wheel are fixed pulleys.
The second traction rope further comprises a third traction rope, two ends of the third traction rope are respectively connected with two ends of the chain to form a second closed loop, the second traction rope further comprises an adjusting device, the connecting adjuster comprises a connecting piece and an adjusting bolt, the first end of the third traction rope is provided with an annular joint, one end of the connecting piece is connected with the first end of the chain, the other end of the connecting piece is sunken to form a notch, the adjusting bolt penetrates through the side wall of the notch to be connected with the connecting piece, and one end of the adjusting bolt, far away from the connecting piece, is bent to form an annular structure; the annular structure of the adjusting bolt is hooked with the annular connector to connect the first end of the chain with the first end of the third traction rope.
The conveying assembly further comprises a fourth driving wheel, the fourth driving wheel is located in the second closed loop, the first traction rope is lapped on the second fixed pulley and is lapped on the fourth driving wheel after extending along the first direction, and the first traction rope extends downwards along the fourth driving wheel to be connected with the vehicle carrying plate.
The lifting frame comprises at least two upright posts which are parallel to each other, at least two longitudinal beams which are parallel to each other, at least one synchronizing shaft and at least two cross beams, wherein the upright posts are perpendicular to the longitudinal beams, the longitudinal beams are respectively and fixedly connected to one ends of different upright posts in a lap joint mode, and the longitudinal beams are arranged in parallel to each other; the cross beams are perpendicular to the longitudinal beams and the upright posts, are parallel to each other, the two ends of the cross beams are respectively fixed on one side, far away from the upright posts, of different longitudinal beams, and the first driving wheel and the second driving wheel are fixed on one side, opposite to each other, of the cross beams; the synchronous shaft is located the longeron is kept away from stand one side, and both ends are fixed in two crossbeams one side that is opposite each other, the sprocket is fixed on the synchronous shaft, and with the coaxial setting of synchronous shaft, drive arrangement is located the synchronous shaft is kept away from crossbeam one side, drive arrangement's output with the sprocket is connected, drive arrangement passes through the output drive the synchronizing shaft rotates, and then drives the motion of traction assembly.
The vehicle carrying plate lifting mechanism further comprises a hollow tube, at least one first screw and at least one annular buckle, wherein a bending point of the first traction rope penetrates through the hole of the hollow tube and is nested on a sleeve at one end of the chain, at least one through hole penetrating through the hollow tube is formed in the side face of the hollow tube, the first screw penetrates through the through hole and is located at one side, opposite to each other, of the first traction rope after bending, the annular buckle is located at one side, far away from the chain, of the hollow tube, and the annular buckle wraps the second traction rope, the first traction rope between the first screw and the second traction rope, and the second traction rope is fixed to the first traction rope.
The vehicle carrying plate lifting mechanism further comprises a first limit switch, a second limit switch and a stop block, wherein the stop block is sleeved on the hollow pipe, the first screw penetrates through the stop block and the hollow pipe, and the stop block is fixed on the hollow pipe through the first screw; the first limit switch and the second limit switch are both positioned on one side of the hollow tube, which is far away from the vehicle carrying plate, the first limit switch is adjacent to the driving device relative to the second limit switch, when the first traction rope drives the stop block to touch the first limit switch or the second limit switch, the first limit switch or the second limit switch sends out a control signal, and the driving device receives the control signal to stop working.
The car carrying plate lifting mechanism further comprises at least one falling protector, the falling protector comprises a power source and a hook, at least one fixing ring matched with the hook is arranged on the car carrying plate, the power source is fixed on one side of the cross beam, which faces the car carrying plate, one end of the hook is connected with the output end of the power source, and when the first limit switch sends out a control signal, the power source drives the hook to rotate according to the control signal, so that the hook hooks the fixing ring.
The beneficial effects of this application are: different from the condition of prior art, this application proposes a year sweep elevating system. The lifting frame is provided with a transmission assembly comprising a transmission assembly and a traction assembly and a driving device, two ends of a first traction rope of the transmission assembly are connected with a vehicle carrying plate, the first traction rope is largely overlapped on a first driving wheel and a second driving wheel, the traction assembly is connected with a bending point of the first traction rope, and the driving device drives the traction assembly to drive the first traction rope and the vehicle carrying plate to move. This application drives first haulage rope motion through the haulage subassembly to accomodate first haulage rope to the crane when promoting and carry the sweep, make the weight evenly distributed of first haulage rope, solve the haulage rope and place or accomodate the wire rope length on sweep both sides that leads to and the wire rope is elongated the problem that deformation leads to carrying the sweep can not stable removal.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a lifting mechanism for a vehicle carrying plate of the present application;
FIG. 2 is a schematic side view of an embodiment of the lift mechanism of the vehicle carrier plate of FIG. 1;
FIG. 3 is a schematic top view of an embodiment of the lift mechanism of the vehicle carrier plate of FIG. 1;
FIG. 4 is a schematic diagram of an embodiment of the lifting mechanism of the vehicle carrying plate of FIG. 1;
FIG. 5 is a schematic view of a portion of the embodiment of FIG. 1 with the uprights and cross-members removed;
FIG. 6 is a schematic view of the inflection point and chain connection of FIG. 1;
FIG. 7 is a schematic view of the bending point and chain connection cross-section of FIG. 6;
FIG. 8 is a schematic diagram of an embodiment of the connection regulator of FIG. 1;
fig. 9 is a schematic structural diagram of an embodiment of the limit switch of fig. 1.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The vehicle carrying plate lifting mechanism and the vehicle carrying system provided by the application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 1 is a schematic structural diagram of an embodiment of a lifting mechanism for a vehicle carrying plate of the present application, fig. 2 is a schematic structural diagram of an embodiment of a lifting mechanism for a vehicle carrying plate of fig. 1 in a side view, fig. 3 is a schematic structural diagram of an embodiment of a lifting mechanism for a vehicle carrying plate of fig. 1 in a top view, fig. 4 is a schematic structural diagram of an embodiment of a lifting mechanism for a vehicle carrying plate of fig. 1 in a specific embodiment, fig. 5 is a schematic structural diagram of a part of an embodiment of a lifting mechanism for a vehicle carrying plate of fig. 1 after the columns and beams are removed, fig. 6 is a schematic structural diagram of a bending point and a chain connection structure of fig. 1, fig. 7 is a schematic structural diagram of a bending point and a chain connection section of fig. 6, fig. 8 is a schematic structural diagram of an embodiment of a connection regulator of fig. 1, and fig. 9 is a schematic structural diagram of an embodiment of a limit switch of fig. 1. The vehicle-carrying plate lifting mechanism of the present application will be described in detail with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9.
In this embodiment, the vehicle carrier lifting mechanism includes at least one parking space for parking the vehicle 90, each of which includes a lifting frame (not shown), a transmission assembly, a vehicle carrier 40, and a driving device 50. The vehicle carrying board 40 is used for carrying a vehicle 90, and the vehicle carrying board 40 is disposed along a horizontal direction. The transmission assembly comprises a traction assembly 20 and a transmission assembly 30, and the transmission assembly and the driving device 50 are both fixed on the lifting frame. The lifting frame comprises at least two cross beams 11 and at least 4 upright posts 12. The cross beam 11 is located on one side of the vehicle carrying plate 40, is arranged parallel to the vehicle carrying plate 40, and the upright posts 12 are arranged perpendicular to the cross beam 11.
For fixing the lifting frame, the lifting frame of the lift mechanism for the vehicle carrying plate also comprises at least one synchronizing shaft 13 and at least two longitudinal beams 14.
In this embodiment, the number of the columns 12 on the lifting frames is four, the lifting frames adjacent to each other share two columns 12, the columns 12 are all arranged along the vertical direction and have the same height so as to bear vertical load, and the vehicle carrying plate 40 is located in a three-dimensional interior surrounded by 4 columns 12. The number of the longitudinal beams 14 is two, two ends are respectively and fixedly connected to the top ends of different upright posts 12 in a lap joint mode, and the longitudinal beams 14 are mutually parallel. The number of the cross beams 11 is two, the cross beams are parallel to each other and perpendicular to the longitudinal beams 14 and the upright posts 12, and two ends of the cross beams are respectively connected with the two adjacent longitudinal beams 14. Specifically, the longitudinal beam 14 is located at the top of the upright post 12, and is connected by screwing, welding or clamping, etc., and the transverse beam 11 is located at the top of the longitudinal beam 14, and is connected by screwing, welding or clamping, etc. The longitudinal beams 14 and the transverse beams 11 may be square steel, i-steel, or the like, and are not limited in this application. Load is transmitted to the longitudinal beam 14 through the transverse beam 11, then is transmitted to the upright post 12 through the longitudinal beam 14, and finally is transmitted to the ground.
In other embodiments, the number of the columns 12 in each lifting frame may be 6, 8, or other even number greater than 4, and the pattern enclosed by the columns 12 may be prismatic, circular, hexagonal, or other patterns, which is not limited herein, as long as the vehicle carrying plate 40 is located inside the pattern enclosed by the columns 12.
For movement of the traction assembly 20, the lift mechanism for a vehicle-carrying plate of the present embodiment further includes a fifth driving wheel 51, a sixth driving wheel 131, and a synchronizing shaft 13. The driving device 50 is fixed on one of the cross beams 11 of the lifting frame, the fifth driving wheel 51 is arranged on an output end (not labeled) of the driving device 50, and the driving device 50 drives the fifth driving wheel 51 to rotate.
In this embodiment, the driving device 50 may be a servo motor, a synchronous motor, an asynchronous motor, or other driving motors, or may be an air cylinder, an internal combustion engine, an external combustion engine, or other driving devices, and only the fifth driving wheel 51 may be driven to rotate by the driving device 50, which is not limited herein. Each parking space corresponds to one driving device 50, and different parking spaces drive the vehicle carrying plate 40 to ascend or descend through different driving devices 50, and of course, the vehicle carrying plate 40 at each parking space can also be driven to ascend or descend through one driving device 50 at the same time. The driving means 50 is located at the end of the cross beam 11, i.e. directly above the upright 12, to transmit the dead weight load vertically directly to the ground through the upright 12. In other embodiments, the driving device 50 may be mounted at the center of the cross member 11 to keep the center of gravity of the lifting frame stable, and may be determined according to actual conditions, which is not limited in the present application.
In the present embodiment, the synchronizing shaft 13 is located above the longitudinal beam 14, and both ends thereof are fixed to the opposite sides of the two cross beams 11. Further, a supporting member 132 is provided on one side of the two cross beams 11 opposite to each other, the bottom of the supporting member 132 is connected to the longitudinal beam 14, and two ends of the synchronizing shaft 13 penetrate through the supporting member 132, are hinged to the supporting member 132, and are connected to the traction assembly 20 between the supporting member 132 and the cross beams 11.
The sixth driving wheel 131 is disposed on the synchronizing shaft 13 and rotates in the same plane with the fifth driving wheel 51, and the sixth driving wheel 131 is disposed coaxially with the synchronizing shaft 13. A driving belt (not shown) is erected on the fifth driving wheel 51 and the sixth driving wheel 131, and the driving device 50 drives the driving belt and the sixth driving wheel 131 to rotate through the fifth driving wheel 51 at the output end, so as to drive the synchronizing shaft 13 to rotate, and thus drive the traction assembly 20 to move.
In the present embodiment, the drive device 50 is fastened to the cross beam 11 in a screw-type manner. In other embodiments, the driving device 50 may be further fixed on the cross beam 11 by welding, fastening, integrally forming, etc., which will not be described herein.
In this embodiment, each parking space corresponds to two traction assemblies 20, and the two traction assemblies 20 are respectively disposed on one side of the two beams 11 of the same parking space, which are close to each other. The traction assembly 20 comprises a sprocket 21, a third drive wheel 22 and a second traction rope 23. The sprocket 21 and the third driving wheel 22 are both arranged on the same side of the cross beams 11 and are positioned on the side of the two cross beams 11 close to each other, the third driving wheel 22 is positioned in the middle of the cross beam 11, and the third driving wheels 22 on the adjacent cross beams 11 are opposite to each other. The sprockets 21 on different beams 11 are respectively connected with two ends of the synchronizing shaft 13, and are coaxially arranged with the synchronizing shaft 13, and the sprockets 21 at two ends of the synchronizing shaft 13 are driven to synchronously rotate when the synchronizing shaft 13 rotates. One side of the second traction rope 23 is lapped on the chain wheel 21 and the third driving wheel 22 to form a second closed loop, and the chain wheel 21 and the third driving wheel 22 are positioned in the second closed loop. The second traction rope 23 comprises a chain 231 and a third traction rope 232, the chain 231 is lapped on the chain wheel 21, and the third traction rope 232 is lapped on the third driving wheel 22. The transfer assembly 30 includes a first traction rope 31, the transfer assembly 30 lifts the vehicle 90 by the first traction rope 31, a first end of a third traction rope 232 is connected with a first end of a chain 231 at a lower portion of the sprocket 21 and the third driving wheel 22, and the other end is connected with the other end of the chain 231 at an upper portion of the sprocket 21 and the third driving wheel 22 by the first traction rope 31. In other embodiments, the two ends of the chain 231 and the two ends of the third traction rope 232 may be connected to form a second closed loop, and the first traction rope 31 may be connected to the second closed loop, which is not limited in this application.
In the present embodiment, when there are a plurality of parking spaces, the two adjacent parking spaces share one beam 11. In a specific embodiment, the sprockets 21 on both sides of the beam 11 are connected by a connecting shaft to rotate synchronously, so that the plurality of vehicle carrying plates 40 can be lifted at the same time, and lifting efficiency can be improved. In another specific embodiment, the sprockets 21 on both sides of the cross beam 11 are independent of each other, so that the lifting states of the plurality of vehicle carrying plates 40 are independent of each other, and the flexibility of the vehicle carrying plate lifting mechanism can be improved. In other embodiments, the arrangement of the sprocket 21 may be determined according to actual conditions, and the present application is not limited thereto.
In the above embodiment, the third driving wheel 22 may be a fixed pulley or a sprocket, and accordingly, the length of the chain 231 on the second traction rope 23 may be freely set, and only the second traction rope 23 includes at least a portion of the chain 231, which is not described herein.
In this embodiment, the transfer assembly 30 includes a first traction rope 31, a first drive wheel 32, and a second drive wheel 33. Both ends of the first traction rope 31 are respectively connected with both ends of the same side of the vehicle carrying plate 40. The vehicle carrying plate 40 on each parking space is correspondingly connected with two ends of the first traction rope 31 towards one side of the cross beam 11, and the first traction rope 31 is positioned on two sides of the vehicle 90 on the vehicle carrying plate 40. The first traction rope 31 and the vehicle carrying plate 40 on one side of the vehicle 90 form a first closed loop (not shown) inside which the first transmission wheel 32 is arranged and outside which the second transmission wheel 33 is arranged. The direction along which the cross member 11 moves toward the driving device 50 is set to a first direction (i.e., a direction from right to left in the drawing), and the second direction is opposite to the first direction. The first traction rope 31 is overlapped on the first driving wheel 32, and after the first traction rope 31 extends along the first direction and is bent, the first traction rope 31 extends along the second direction and is overlapped on the second driving wheel 33. The traction assembly 20 is connected with the bending point 311 of the first traction rope 31, and the traction assembly 20 pulls the bending point 311 to move under the driving of the driving device 50 so as to drive the two ends of the first traction rope 31 and the vehicle carrying plate 40 to ascend or descend.
Further, the second driving wheel 33 is located at a side of the third driving wheel 22 away from the sprocket 21, and the first driving wheel 32 is located at a side of the second driving wheel 33 away from the first driving wheel 22. The distances between the first driving wheel 22, the second driving wheel 33 and the third driving wheel 22 are determined according to actual conditions, and the present application is not limited thereto. When the bending point 311 moves, the first traction rope 31 can be kept in a tensioned state at any time, curling cannot occur, a storage box is not needed to store the traction rope, damage of the first traction rope 31 caused by curling and extrusion is avoided, and meanwhile work of the traction assembly 20 is not affected. In addition, the first driving wheel 22, the second driving wheel 33 and the third driving wheel 22 are axially distributed along the beam 11, so that the load can be distributed on the beam 11 to prevent the beam 11 from being damaged due to too concentrated stress.
In this embodiment, the first traction rope 31 and the third traction rope 232 may be steel wires, chains, belts, and other bar-shaped traction devices, which are not described herein.
In this embodiment, the first driving wheel 32, the second driving wheel 33 and the third driving wheel 22 are fixed pulleys, and all the three are fixed on the same side of the beam 11. In other embodiments, the first driving wheel 32, the second driving wheel 33 and the third driving wheel 22 may also be sprockets matched with the first traction rope 31 and the third traction rope 232, which are not limited herein.
In the present embodiment, the diameters of the sprocket 21, the third transmission wheel 22, and the first transmission wheel 32 are smaller than the width of the side of the cross member 11 where the sprocket 21 is provided. In order to prevent the first traction rope 31 and the second traction rope 23 from being fixed together and prevent the problem that the two ends of the vehicle carrying plate 40 are different in height and cannot be stably conveyed due to stretching deformation of the first traction rope 31, a hollow tube 61, at least one first screw 62 and at least one annular buckle 63 are further arranged at the joint of the second traction rope 23 and the first traction rope 31. Wherein the inflection point 311 is nested on a sleeve at an end of the chain 231 remote from the load board 40. At least one through hole 611 penetrating the side wall of the hollow tube 61 is provided at the side of the hollow tube 61, and a first screw 62 penetrates through the through hole 611 and penetrates between the stacked first traction ropes 31 to fix the stacked first traction ropes 31. The loop fastener 63 is located at a side of the hollow tube 61 away from the chain 231, and the loop fastener 63 wraps the second traction rope 23 and the first traction rope 31 between the first screw 62 and the second traction rope 23 to fix the second traction rope 23 to the first traction rope 31.
In other embodiments, the third traction rope 232 and the first traction rope 31 may be fixed together by a clip, a cross buckle, welding, etc., which is not limited herein.
In this embodiment, the hollow tube 61 may be cylindrical, prismatic, cuboid and other shapes, only the bending point 311 of the first traction rope 31 may pass through the hole of the hollow tube 61, and the first screw 62 may pass through the side surface of the hollow tube 61, which is not described herein.
In the present embodiment, the number of through holes 611 provided on the hollow tube 61 is 3, and the number of the first screws 62 and the annular buttons 63 is also 3. In other embodiments, the number of through holes 611 provided on the hollow tube 61 may be 1, 2, or other numbers, and the number of the first screws 62 and the annular buckles 63 may be freely limited, so long as the number of the first screws 62 is the same as the number of the through holes 611, and the annular buckles 63 can fix the first traction rope 31 and the third traction rope 232 on the second traction rope 23 together, which is not described herein.
In order to connect both ends of the first traction rope 31 to both ends of the vehicle loading plate 40, the volume of the lift can be reduced. The beam 11 is also provided with a fourth driving wheel 64, the fourth driving wheel 64 and the first driving wheel 32 are both fixed on the same side of the beam 11, and the fourth driving wheel 64 is also a fixed pulley. The fourth driving wheel 64 is located inside a first closed loop formed by the first traction rope 31 and the vehicle carrying plate 40, the first traction rope 31 is lapped on the second driving wheel 33 and is lapped on the fourth driving wheel 64 after extending along the first direction, and one end of the first traction rope 31 extends downwards along the fourth driving wheel 64 to be connected with the vehicle carrying plate 10.
Further, the fourth driving wheel 64 is located below the traction assembly 20, and is fixed to the bottom of the beam 11 by screwing, welding or clamping. The fourth driving wheel 64 is located between the third driving wheel 22 and the sprocket 21, and the distance from the fourth driving wheel 64 to the midpoint position of the beam 11 is equal to the distance from the first driving wheel 32 to the midpoint position of the beam 11. Therefore, the load of the vehicle loading plate 40 and the vehicle 90 uniformly acts on the longitudinal beams 14 connected with the two ends of the cross beam 11 through the cross beam 11, and the damage caused by the overlarge load on one side longitudinal beam 14 is avoided.
In order to prevent the first traction rope 31 from slipping on the first, second and fourth driving wheels 32, 33, 64, grooves (not shown) surrounding the first, second and fourth driving wheels 32, 33, 64, respectively, are provided on the sides of the first, second and fourth driving wheels 32, 33, 64 in contact with the first traction rope 31, the first traction rope 31 being located in the grooves.
In the above embodiment, in order to prevent the first traction rope 31 and the second traction rope 232 from being deviated, a limit stop 68 is further provided on one side of the third transmission wheel 22, the first transmission wheel 32, the second transmission wheel 33, and the fourth transmission wheel 64, and the limit stop 68 is provided in one-to-one correspondence with the third transmission wheel 22, the first transmission wheel 32, the second transmission wheel 33, and the fourth transmission wheel 64 and surrounding portions of the third transmission wheel 22, the first transmission wheel 32, the second transmission wheel 33, and the fourth transmission wheel 64. The third traction rope 232 passes between the third driving wheel 22 and the limit stop 68, one end of the first traction rope 31 passes between the corresponding limit stop 68 of the second driving wheel 33 and the fourth driving wheel 64, and the other end passes between the first driving wheel 32 and the corresponding limit stop 68.
In order to enable the vehicle carrying plate 40 to stop at a preset highest point and a preset lowest point, a first limit switch 66 and a second limit switch 67 are further arranged on one side of the cross beam 11 away from the vehicle carrying plate 40, and a stop block 65 matched with the first limit switch 66 and the second limit switch 67 is arranged on the hollow tube 61. Wherein, the side of the stop block 65 contacting with the hollow tube 61 is provided with a groove (not labeled) for accommodating the hollow tube 61, the stop block 65 is sleeved on the hollow tube 61 through the groove, and the first screw 62 penetrates through the stop block 65 and the hollow tube 61, so that the stop block 65 is fixed on the hollow tube 61. In order to protect the stopper 65, a washer (not shown) is provided on the side of the first screw 62 in contact with the stopper 65. The first limit switch 66 is adjacent to the driving device 50 relative to the second limit switch 67, and when the first traction rope 31 drives the stop block 65 to touch the first limit switch 66 or the second limit switch 67, the first limit switch 66 or the second limit switch 67 sends out a control signal, and the driving device 50 receives the sent control signal and stops working.
In this embodiment, the first limit switch 66 has the same structure as the second limit switch 67, and the first limit switch 66 will be described as an example.
The first limit switch 66 includes a limit main body 661, a first arm 662, a second arm 663 and a motion controller (not shown), the limit main body 661 is fixed on the cross beam 11, the driving device 50 drives the first traction rope 31 to drive the vehicle carrying plate 40 to lift, the first arm 662 is hinged on the limit main body 661, the first arm 662 is pushed by the limit block 253 when the vehicle carrying plate 40 is located at the highest position, the first arm 662 rotates to be in contact with the second arm 663 arranged on the limit main body 661, the motion controller of the first limit switch 66 sends a control signal when the first arm 662 is in contact with the second arm 663, the driving device 50 receives the control signal to stop working, and the vehicle carrying plate 40 is parked at the highest position.
In this embodiment, the portion of the stopper 65 on the side of the hollow tube 61 away from the vehicle loading plate 40 has a trapezoid structure. In other embodiments, the portion may be tapered, parallelogram, or other shapes, and the limit switch may be touched by the stop block 65 to send a control signal, which is not limited herein.
In other embodiments, the stop 65 may also be disposed on the chain 231 or the first traction rope 31, which is not described herein.
To enable the user to adjust and change the highest or lowest point reached by the motion of the vehicle carrier plate 40 as desired. The lifting mechanism for the vehicle carrying plate further comprises a connection regulator 233, and the third traction rope 232 is connected with one end, adjacent to the vehicle carrying plate 40, of the chain 231 through the connection regulator 233.
In the present embodiment, the connection adjuster 233 includes a connection member 2331 and an adjustment bolt 2332. The first end of the third traction rope 232 is provided with an annular joint 2321, one end of a connecting piece 2331 is connected with the first end of the chain 231, the other end of the connecting piece 2332 is sunken to form a notch, an adjusting bolt 2332 penetrates through the side wall of the notch to be connected with the connecting piece 2331, and one end of the adjusting bolt 2332, which is far away from the connecting piece 2331, is bent to form an annular structure; the ring structure of the adjusting bolt 2332 is hooked with the ring-shaped joint 2321. The tightness of the first traction rope 31 is adjusted by adjusting the screwing length of the adjusting bolt 2332 in the notch, so that the transmission efficiency of the traction assembly 20 is maintained, and the requirements of users are met.
In the present embodiment, in order to prevent the vehicle carrying plate 40 from falling due to an unexpected cause when the vehicle carrying plate 40 moves to the highest point. At least one fall arrester 70 is also provided on the vehicle carrying plate lifting mechanism. Wherein the fall arrestor 70 includes a power source 71 and a hanger 72. The vehicle carrying plate 40 is provided with a fixing ring 41 matched with the hook 72. The power source 71 is fixed on one side of the beam 11 facing the vehicle carrying plate 40, one end of the hook 72 is connected with an output end (not labeled) of the power source 71, the other end is bent to form an included angle (not labeled), and the included angle of one side of the hook 72 facing the fixed ring 41 is smaller than 900. When the first limit switch 66 sends out a control signal, the power source 71 receives the control signal and drives the hook 72 to rotate according to the control signal, so that the hook 72 hooks the fixing ring 41 on the vehicle carrying plate 40, and the vehicle carrying plate 40 is prevented from falling.
In the present embodiment, the power source 71 may be a driving motor such as a synchronous motor, an asynchronous motor, a switched reluctance motor, or the like. In other embodiments, power source 71 may be an internal combustion engine, a hydraulic motor, an external combustion engine, and other driving devices, without limitation.
In this embodiment, the number of the fall arresters 70 and the number of the fixing rings 41 matched with the fall arresters 70 are two, and the two fixing rings are respectively located at two ends of the vehicle carrying plate 40. In other embodiments, the number of the fall arresters 70 and the fixing rings 41 matched with the fall arresters 70 may be 1, 3 or other numbers, and only the fall arresters 70 and the fixing rings 41 are required to prevent the vehicle carrying plate from falling, which is not described herein.
The beneficial effects of this application are: different from the condition of prior art, this application proposes a year sweep elevating system. The lifting frame is provided with a transmission assembly comprising a transmission assembly and a traction assembly and a driving device, two ends of a first traction rope of the transmission assembly are connected with a vehicle carrying plate, the first traction rope is largely overlapped on a first driving wheel and a second driving wheel, the traction assembly is connected with a bending point of the first traction rope, and the driving device drives the traction assembly to drive the first traction rope and the vehicle carrying plate to move. This application drives first haulage rope motion through the haulage subassembly to accomodate first haulage rope to the crane when promoting and carry the sweep, make the weight evenly distributed of first haulage rope, solve the haulage rope and place or accomodate the wire rope length on sweep both sides that leads to and the wire rope is elongated the problem that deformation leads to carrying the sweep can not stable removal.
The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the patent application, and all equivalent structures or equivalent processes using the descriptions and the contents of the present application or other related technical fields are included in the scope of the patent application.
Claims (5)
1. The utility model provides a year sweep elevating system which characterized in that, carry sweep elevating system includes:
the lifting frame is fixed on a transmission assembly and a driving device on the lifting frame, the transmission assembly comprises a traction assembly and a transmission assembly, and the traction assembly is connected with the driving device;
the conveying assembly comprises a first traction rope, a first driving wheel and a second driving wheel, wherein two ends of the first traction rope are respectively connected with the vehicle carrying plate, a first closed loop is formed through the first traction rope and the vehicle carrying plate, the first driving wheel is arranged in the first closed loop, and the second driving wheel is arranged outside the first closed loop; the first traction rope is lapped on the first driving wheel, extends along a first direction and is bent, extends towards a second direction opposite to the first direction and is lapped on the second driving wheel;
the traction assembly is connected with the bending point of the first traction rope, and the traction assembly is driven by the driving device to drive the bending point to move so as to drive the two ends of the first traction rope and the vehicle carrying plate to ascend or descend;
the traction assembly comprises a chain wheel, a third driving wheel and a second traction rope, one side of the second traction rope is lapped on the third driving wheel and the chain wheel to form a second closed loop, and the third driving wheel and the chain wheel are positioned in the second closed loop; the second traction rope is connected with the first traction rope bending point; at least part of the second traction rope is a chain, and the chain is meshed with the chain wheel;
the second traction rope further comprises a third traction rope, two ends of the third traction rope are respectively connected with two ends of the chain to form a second closed loop, the second traction rope further comprises a connection adjuster, the connection adjuster comprises a connecting piece and an adjusting bolt, the first end of the third traction rope is provided with an annular joint, one end of the connecting piece is connected with the first end of the chain, the other end of the connecting piece is sunken to form a notch, the adjusting bolt penetrates through the side wall of the notch to be connected with the connecting piece, and one end of the adjusting bolt, far away from the connecting piece, is bent to form an annular structure;
the annular structure of the adjusting bolt is hooked with the annular connector to connect the first end of the chain with the first end of the third traction rope;
the conveying assembly further comprises a fourth driving wheel, the fourth driving wheel is positioned in the second closed loop, the first traction rope is lapped on the second driving wheel and is lapped on the fourth driving wheel after extending along the first direction, and the first traction rope extends downwards along the fourth driving wheel to be connected with the vehicle carrying plate;
the vehicle carrying plate lifting mechanism further comprises a hollow tube, at least one first screw and at least one annular buckle, wherein a bending point of the first traction rope penetrates through the hole of the hollow tube and is nested on a sleeve at one end of the chain, at least one through hole penetrating through the hollow tube is formed in the side face of the hollow tube, the first screw penetrates through the through hole and is located on one side, opposite to each other, of the first traction rope after bending, of the hollow tube, the annular buckle is located on one side, far away from the chain, of the hollow tube, and the annular buckle wraps the second traction rope, the first traction rope between the first screw and the second traction rope, and the second traction rope is fixed on the first traction rope.
2. The vehicle-carrying plate lifting mechanism of claim 1, wherein the first, second and third drive wheels are fixed pulleys.
3. The lift mechanism of claim 1, wherein the lift frame comprises at least two mutually parallel uprights, at least two mutually parallel stringers, at least one synchronizing shaft and at least two cross beams,
the upright posts are perpendicular to the longitudinal beams, the longitudinal beams are respectively and fixedly overlapped at one ends of different upright posts, and the longitudinal beams are arranged in parallel;
the cross beams are perpendicular to the longitudinal beams and the upright posts, are parallel to each other, the two ends of the cross beams are respectively fixed on one side, far away from the upright posts, of different longitudinal beams, and the first driving wheel and the second driving wheel are fixed on one side, opposite to each other, of the cross beams;
the synchronous shaft is located the longeron is kept away from stand one side, and both ends are fixed in two crossbeams one side that is opposite each other, the sprocket is fixed on the synchronous shaft, and with the coaxial setting of synchronous shaft, drive arrangement is located the synchronous shaft is kept away from crossbeam one side, drive arrangement's output with the sprocket is connected, drive arrangement passes through the output drive the synchronizing shaft rotates, and then drives the motion of traction assembly.
4. The lift mechanism of claim 3, wherein,
the lifting mechanism of the vehicle carrying plate further comprises a first limit switch, a second limit switch and a stop block,
the stop block is sleeved on the hollow pipe, the first screw penetrates through the stop block and the hollow pipe, and the stop block is fixed on the hollow pipe through the first screw;
the first limit switch and the second limit switch are both positioned on one side of the hollow tube, which is far away from the vehicle carrying plate, the first limit switch is adjacent to the driving device relative to the second limit switch, when the first traction rope drives the stop block to touch the first limit switch or the second limit switch, the first limit switch or the second limit switch sends out a control signal, and the driving device receives the control signal to stop working.
5. The lifting mechanism for a vehicle-carrying board according to claim 4, further comprising at least one fall arrester, wherein the fall arrester comprises a power source and a hook, the vehicle-carrying board is provided with at least one fixing ring matched with the hook, the power source is fixed on one side of the cross beam, which faces the vehicle-carrying board, one end of the hook is connected with the output end of the power source, and when the first limit switch sends out the control signal, the power source drives the hook to rotate according to the control signal, so that the hook hooks the fixing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949820.3A CN109057467B (en) | 2018-08-20 | 2018-08-20 | Lifting mechanism for vehicle carrying plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949820.3A CN109057467B (en) | 2018-08-20 | 2018-08-20 | Lifting mechanism for vehicle carrying plate |
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| CN109057467A CN109057467A (en) | 2018-12-21 |
| CN109057467B true CN109057467B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810949820.3A Active CN109057467B (en) | 2018-08-20 | 2018-08-20 | Lifting mechanism for vehicle carrying plate |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109665339B (en) * | 2019-02-18 | 2023-10-20 | 江西中钰机械有限公司 | Goods handling device for truck carriage |
| CN115288554A (en) * | 2021-12-31 | 2022-11-04 | 奥动新能源汽车科技有限公司 | Trade passway way mouth switching device that electric equipment passed in and out and contain its trade power station |
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| CN109057467A (en) | 2018-12-21 |
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