CN111232874B - Gear difference and thread combined weight lifting device - Google Patents
Gear difference and thread combined weight lifting device Download PDFInfo
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- CN111232874B CN111232874B CN202010100024.XA CN202010100024A CN111232874B CN 111232874 B CN111232874 B CN 111232874B CN 202010100024 A CN202010100024 A CN 202010100024A CN 111232874 B CN111232874 B CN 111232874B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0608—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement driven by screw or spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0641—Single levers, e.g. parallel links
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/12—Lifting platforms for vehicles or motorcycles or similar lifting apparatus
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- Engineering & Computer Science (AREA)
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- Structural Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a gear difference and thread combined weight lifting device which comprises a main hollow shell. The invention uses the gear difference technology, the pinion drives the bull gear to rotate, thereby achieving the effect of reducing the driving force and realizing the force reduction, thereby achieving the purpose of reducing the driving force to a large value in the lifting degree, the device realizes height adjustment by utilizing reverse threads, has the characteristics of obvious adjustment effect and reduced quality of a hoisting part, so the whole weight is light, the use cost and the manufacture cost are lower, the use and the carrying are convenient, and in addition, the device is provided with a vertical height adjustment type force-reducing rotary driving mechanism with a reverse thread structure, and can realize the height adjustment function by utilizing the function of the reverse thread, thereby adjusting the moment, reducing the force required during rotation, realizing the purpose of small belt and large belt, in addition, the device has a spherical structure universal rotary part connecting mechanism, and can realize the connection of two parts without influencing the rotating function of the two parts at the connecting part.
Description
Technical Field
The invention relates to the technical field of lifting, in particular to a gear difference and thread combined weight lifting device.
Background
At present, in vehicle maintenance place and large-scale mechanical parts maintenance place, when keeping in repair specific parts, need heavy object elevating gear, jack up this equipment to convenient work, and current elevating gear all is hydraulic pressure lift mostly, and it all is higher on the manufacturing cost and use cost and cost of maintenance, moreover, because the existence of high-pressure liquid and the requirement of cylinder body intensity, lead to the device very difficult at convenient to carry, the use limitation is bigger.
Disclosure of Invention
The present invention is directed to a combined gear difference and thread weight lifting device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a gear difference and thread combined weight lifting device comprises a main hollow shell, wherein a bottom supporting base plate of an integrated structure with the main hollow shell is arranged at the bottom of one side of the main hollow shell, a vertical plate structure of an integrated structure with the bottom supporting base plate is arranged on the upper surface of one side of the bottom supporting base plate, a main hollow structure is arranged at the center of the interior of the main hollow shell, a first rotating shaft and a second rotating shaft are respectively arranged at the top and the bottom of one side of the main hollow shell through bearings, a third rotating shaft and a main threaded rod are respectively arranged at the top and the bottom of the other side of the main hollow shell through bearings, a rectangular block is arranged at one end of the first rotating shaft positioned outside, a longitudinal height adjusting type force reducing and rotating driving mechanism of a reverse thread structure is arranged on the side surface of the rectangular block, a first gear is arranged at the other end of the first rotating shaft, and a, the tooth structures in the first gear and the second gear are meshed with each other, a fourth gear and a first belt pulley are mounted on a shaft body of a third rotating shaft, the tooth structures in the third gear and the fourth gear are meshed with each other, a second belt pulley is mounted at one end of a main threaded rod positioned inside the main threaded rod, the first belt pulley and the second belt pulley are connected through a belt, the structural radius of a first gear reference circle is smaller than that of a second gear reference circle, the structural radius of the second gear reference circle is larger than that of a third gear reference circle, the structural radius of the third gear reference circle is smaller than that of a fourth gear reference circle, the structural radius of an outer ring of the first belt pulley is the same as that of an outer ring of the second belt pulley, an external thread structure is arranged on a rod body of the main threaded rod, and one end of the outer part of the main threaded rod is mounted inside a vertical plate structure through a bearing, two opposite moving blocks are installed on the rod body of the main threaded rod, the centers of the two moving blocks are provided with internal thread structures, the internal thread structures are meshed with the external thread structures and are located in the two moving blocks, the thread directions of the internal thread structures in the two moving blocks are opposite, the tops of the two moving blocks are respectively provided with a spherical-structure universal rotary part connecting mechanism, the tops of the two spherical-structure universal rotary part connecting mechanisms are respectively provided with a main supporting rod, and the top ends of the two main supporting rods are installed at the center of the bottom of a top supporting base plate through two supporting rod end universal rotary connecting mechanisms.
Further, the reverse thread structure longitudinal height adjustment type force reducing rotation driving mechanism comprises a reverse thread structure longitudinal height adjustment type thread sleeve for force reducing rotation driving mechanism, a reverse thread structure longitudinal height adjustment type thread section for force reducing rotation driving mechanism, a reverse thread structure longitudinal height adjustment type thread structure for force reducing rotation driving mechanism, a reverse thread structure longitudinal height adjustment type bottom threaded rod for force reducing rotation driving mechanism, a reverse thread structure longitudinal height adjustment type top threaded rod for force reducing rotation driving mechanism, a reverse thread structure longitudinal height adjustment type limiting hole for force reducing rotation driving mechanism, a reverse thread structure longitudinal height adjustment type limiting rod for force reducing rotation driving mechanism, a reverse thread structure longitudinal height adjustment type connecting plate for force reducing rotation driving mechanism, a reverse thread structure longitudinal height adjustment type rod body structure for force reducing rotation driving mechanism, a reverse thread structure longitudinal height adjustment type screw rod body structure for force reducing rotation driving mechanism, a screw rod body structure for force reducing rotation driving mechanism, The reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism is provided with a bolt hole and a transverse holding rod; the vertical altitude mixture control of reverse thread structure falls power for rotary driving mechanism and falls the inside center of threaded sleeve and be provided with the vertical altitude mixture control of intercommunication reverse thread structure and fall power for rotary driving mechanism and use the threaded interval of the vertical altitude mixture control of reverse thread structure of threaded sleeve both ends face for rotary driving mechanism, the vertical altitude mixture control of reverse thread structure falls power for rotary driving mechanism and is lieing in threaded sleeve for rotary driving mechanism and inner wall that the vertical altitude mixture control of reverse thread structure falls power for rotary driving mechanism and is provided with the vertical altitude mixture control of reverse thread structure and falls power for rotary driving mechanism and use the threaded structure, the vertical altitude mixture control of reverse thread structure falls the bottom and the top between power for rotary driving mechanism and fall power for rotary driving mechanism and be connected with the vertical altitude mixture control of reverse thread structure and fall power for rotary driving mechanism and use bottom threaded rod and the vertical altitude mixture control of reverse thread structure through the vertical altitude Fall power rotary driving mechanism and use top threaded rod to altitude mixture control formula, the vertical altitude mixture control formula of reverse thread structure falls power rotary driving mechanism and use bottom threaded rod and the vertical altitude mixture control formula of reverse thread structure fall power rotary driving mechanism and use spacing hole, two in the inside of opposition end all be provided with the vertical altitude mixture control formula of reverse thread structure and fall power rotary driving mechanism and use spacing hole, the vertical altitude mixture control formula of reverse thread structure falls power rotary driving mechanism and use the gag lever post with the inside insertion of spacing hole, the vertical altitude mixture control formula of reverse thread structure falls power rotary driving mechanism and use connecting plate and the vertical altitude mixture control formula of reverse thread structure for the vertical altitude mixture control formula of reverse thread structure and fall power rotary driving mechanism and use connecting plate for the vertical altitude mixture control formula of reverse thread structure respectively to fall power rotary driving The rod body structure, the inside of the connecting plate for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism and the side of the rod body structure for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism are respectively provided with a reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism bolt hole and a reverse thread structure longitudinal height adjusting type transverse holding rod.
Further, the vertical altitude mixture control formula of reverse thread structure falls power rotation drive mechanism and uses the helicitic texture including setting up at the vertical altitude mixture control formula of reverse thread structure and falling the internal thread structure of power rotation drive mechanism and using the threaded sleeve inner wall and setting up at the vertical altitude mixture control formula of reverse thread structure and fall the external thread structure on the power rotation drive mechanism falls the top threaded rod body of rod with bottom threaded rod and the vertical altitude mixture control formula of reverse thread structure and fall the power rotation drive mechanism and use the top threaded rod body of rod with the external thread structure, and be located the vertical altitude mixture control formula of reverse thread structure falls the screw thread opposite direction of the helicitic texture on the power rotation drive mechanism falls with bottom threaded rod and the vertical altitude mixture control formula of.
Furthermore, the structural appearance of the cross section of the limiting hole for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism and the structural appearance of the cross section of the limiting rod for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism are both triangular structures, and the end part of the bolt hole for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism is installed on the side face of the rectangular block through a bolt.
Further, the spherical-structure universal rotary-type component connection mechanism comprises a convex block for the spherical-structure universal rotary-type component connection mechanism, a mounting plate for the spherical-structure universal rotary-type component connection mechanism, a hemispherical hollow shell for the spherical-structure universal rotary-type component connection mechanism, a spherical groove structure for the spherical-structure universal rotary-type component connection mechanism, a spherical body for the spherical-structure universal rotary-type component connection mechanism, a mounting hole for the spherical-structure universal rotary-type component connection mechanism, and a planar structure for the spherical-structure universal rotary-type component connection mechanism; the bottom of the convex block for the spherical-structure universal rotary component connecting mechanism is provided with a mounting plate for the spherical-structure universal rotary component connecting mechanism, the center of the upper surface of the convex block for the spherical-structure universal rotary component connecting mechanism is provided with a plurality of hemispherical hollow shells for the spherical-structure universal rotary component connecting mechanism which are integrated with the convex block for the spherical-structure universal rotary component connecting mechanism, the inner center of the hemispherical hollow shell for the spherical-structure universal rotary component connecting mechanism is provided with a spherical groove structure for the spherical-structure universal rotary component connecting mechanism, the hemispherical hollow shell for the spherical-structure universal rotary component connecting mechanism is internally provided with a spherical body for the spherical-structure universal rotary component connecting mechanism, the spherical body is positioned in the spherical groove structure for the spherical-structure universal rotary component connecting mechanism, the center at spherical body top for the spherical structure universal rotary type part connecting mechanism is provided with a planar structure for the spherical structure universal rotary type part connecting mechanism, and the bottom of the planar structure for the spherical structure universal rotary type part connecting mechanism is provided with a mounting hole for the spherical structure universal rotary type part connecting mechanism.
Furthermore, the volume formed by the inner surface of the spherical groove structure for the universal rotary component connecting mechanism with the spherical structure is 3/5-3/4 of the volume formed by the outer surface of the spherical body for the universal rotary component connecting mechanism with the spherical structure.
Furthermore, the bottom end of the mounting plate for the spherical-structure universal rotary component connecting mechanism is mounted on the top of the main moving block, and the main support rod is inserted into the mounting hole for the spherical-structure universal rotary component connecting mechanism.
Furthermore, the two support rod end universal rotary connecting mechanisms comprise connecting plates for the two support rod end universal rotary connecting mechanisms, bolt holes for the two support rod end universal rotary connecting mechanisms, vertical plates for the two support rod end universal rotary connecting mechanisms, first shaft bodies for the two support rod end universal rotary connecting mechanisms, second shaft bodies for the two support rod end universal rotary connecting mechanisms, shaft sleeves for the two support rod end universal rotary connecting mechanisms and rod body mounting groove structures for the two support rod end universal rotary connecting mechanisms; the inside of two universal swivelling joint mechanism of bracing piece tip connecting plate is provided with a plurality of two bolt holes for the universal swivelling joint mechanism of bracing piece tip, two riser for the universal swivelling joint mechanism of bracing piece tip bottom-mounting have two opposite two riser for the universal swivelling joint mechanism of bracing piece tip install the inside at two riser for the universal swivelling joint mechanism of bracing piece tip for first axis body and two riser for the universal swivelling joint mechanism of bracing piece tip for the first axis body and two second axis bodies for the universal swivelling joint mechanism of bracing piece tip through the bearing, all install the inside at two riser for the universal swivelling joint mechanism of bracing piece tip for the first axis body and two riser for the universal swivelling joint mechanism of bracing piece tip on the axis body of two bracing piece tip for the universal swivelling joint The shaft sleeve for the universal rotary connection mechanism of the end part of the support rod is two the rod body mounting groove structures for the universal rotary connection mechanism of the end part of the support rod are arranged inside the middle section of the shaft sleeve for the universal rotary connection mechanism of the end part of the support rod.
Furthermore, the rod bodies at the top ends of the main support rods are respectively arranged in the rod body mounting groove structures for the universal rotary connecting mechanisms at the end parts of the two support rods.
Further, the connecting plates for the two support rod end portions universal rotary connecting mechanisms are mounted at the center of the bottom of the top support base plate by bolts inserted into the bolt holes for the two support rod end portions universal rotary connecting mechanisms.
Compared with the prior art, the invention has the beneficial effects that: the invention utilizes the gear difference technology, drives the bull gear to rotate by the pinion gear, thereby achieving the effect of reducing the driving force, realizing the force reduction, thereby achieving the effect of reducing the size to the size on the lifting degree, and the device utilizes the reverse screw thread to realize the height adjustment, has the characteristics of obvious adjusting effect and reducing the weight of the lifting part, so the whole weight is light, the use cost and the manufacturing cost are lower, the use and the carrying are convenient, moreover, the device has a longitudinal height adjusting type force reduction rotation driving mechanism with a reverse screw thread structure, can realize the height adjusting effect by utilizing the function of the reverse screw thread, thereby adjusting the moment, reducing the force required during the rotation, realizing the size to the size, in addition, the device has a universal rotation type part connecting mechanism with a spherical structure, can realize the connection of two parts without influencing the rotation function of the two parts at the connecting part, in addition, the device is provided with two support rod end universal rotary connecting mechanisms, the rotary function of the support rods can not be influenced when the device is connected with the two support rods, and the practicability is high.
Drawings
FIG. 1 is a schematic view of a full-section structure of a combined gear difference and thread weight lifting device according to the present invention;
FIG. 2 is a schematic structural view of a longitudinal height adjustment type force-reducing rotary driving mechanism with a reverse thread structure in a gear difference and thread combined weight lifting device according to the present invention;
FIG. 3 is a schematic structural diagram of a spherical-structure universal rotary member connecting mechanism in a gear difference and thread combined weight lifting device according to the present invention;
FIG. 4 is a schematic structural diagram of a universal rotary connecting mechanism at the ends of two support rods in a gear difference and thread combined weight lifting device according to the present invention;
in the figure: 1, a main hollow housing, 2, a bottom support base plate, 3, a vertical plate structure, 4, a main hollow structure, 5, a first rotating shaft, 6, a first gear, 7, a second rotating shaft, 8, a second gear, 9, a third gear, 10, a third rotating shaft, 11, a fourth gear, 12, a first belt pulley, 13, a rectangular block, 14, a reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism, 141, a reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism threaded sleeve, 142, a reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism threaded section, 143, a reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism threaded structure, 144, a reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism bottom threaded rod, 145, a reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism top threaded rod, 146, a limiting hole for a vertical height-adjusting type force-reducing rotary drive mechanism of a reverse thread structure, 147, a limiting rod for a vertical height-adjusting type force-reducing rotary drive mechanism of a reverse thread structure, 148, a connecting plate for a vertical height-adjusting type force-reducing rotary drive mechanism of a reverse thread structure, 149, a rod structure for a vertical height-adjusting type force-reducing rotary drive mechanism of a reverse thread structure, 1410, a bolt hole for a vertical height-adjusting type force-reducing rotary drive mechanism of a reverse thread structure, 1411, a horizontal grip for a vertical height-adjusting type force-reducing rotary drive mechanism of a reverse thread structure, 15, a belt, 16, a second belt pulley, 17, a main threaded rod, 18, a universal rotary part connecting mechanism of a spherical structure, 181, a bump for a universal rotary part connecting mechanism of a spherical structure, 182, a mounting plate for a universal rotary part connecting mechanism of a spherical structure, 183, a hemispherical hollow housing for a universal, 184, spherical groove structure for spherical-structure rotary-gimbal-type member connection mechanism, 185, spherical body for spherical-structure rotary-gimbal-type member connection mechanism, 186, mounting hole for spherical-structure rotary-gimbal-type member connection mechanism, 187, planar structure for spherical-structure rotary-gimbal-type member connection mechanism, 19, main support rod, 20, two support-rod-end rotary-gimbal-type member connection mechanisms, 201, connecting plate for two support-rod-end rotary-gimbal-type member connection mechanisms, 202, bolt hole for two support-rod-end rotary-gimbal-type member, 203, standing plate for two support-rod-end rotary-gimbal-type member connection mechanism, 204, first shaft body for two support-rod-end rotary-gimbal-type member connection mechanism, 205, second shaft body for two support-rod-end rotary-gimbal-type member connection mechanism, 206, shaft sleeve for two support-rod-end rotary-gimbal-type member connection mechanism, 207, rod-body mounting, 21, top supporting base plates, 22, moving blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention: the vertical type force-reducing rotary driving device comprises a main hollow shell 1, wherein a bottom supporting base plate 2 of an integrated structure is arranged at the bottom of one side of the main hollow shell 1, a vertical plate structure 3 of an integrated structure is arranged on the upper surface of one side of the bottom supporting base plate 2, a main hollow structure 4 is arranged at the center inside the main hollow shell 1, a first rotating shaft 5 and a second rotating shaft 7 are respectively arranged at the top and the bottom of one side of the main hollow shell 1 through bearings, a third rotating shaft 10 and a main threaded rod 17 are respectively arranged at the top and the bottom of the other side of the main hollow shell 1 through bearings, a rectangular block 13 is arranged at one end of the first rotating shaft 5 positioned outside, a reverse threaded structure longitudinal height-adjusting type force-reducing rotary driving mechanism 14 is arranged on the side surface of the rectangular block 13, a first gear 6 is arranged at the other end of the first rotating shaft 5, and a second gear 8 and a third gear, the tooth structures in the first gear 6 and the second gear 8 are engaged with each other, the fourth gear 11 and the first belt pulley 12 are installed on the shaft body of the third rotating shaft 10, the tooth structures in the third gear 9 and the fourth gear 11 are engaged with each other, the second belt pulley 16 is installed at one end, located inside, of the main threaded rod 17, the first belt pulley 12 and the second belt pulley 16 are connected through a belt 15, the structure radius of the reference circle of the first gear 6 is smaller than the structure radius of the reference circle of the second gear 8, the structure radius of the reference circle of the second gear 8 is larger than the structure radius of the reference circle of the third gear 9, the structure radius of the reference circle of the third gear 9 is smaller than the structure radius of the reference circle of the fourth gear 11, the structure radius of the outer ring of the first belt pulley 12 is the same as the structure radius of the outer ring of the second belt pulley 16, and an external thread structure is arranged on the rod body of the main threaded rod 17, and one end of the outer part of the main threaded rod 17 is mounted inside the vertical plate structure 3 through a bearing, two opposite moving blocks 22 are mounted on the rod body of the main threaded rod 17, inner thread structures are arranged at the centers of the two moving blocks 22, the inner thread structures are meshed with the outer thread structures, the thread directions of the inner thread structures in the two moving blocks 22 are opposite, spherical-structure universal rotary part connecting mechanisms 18 are mounted at the tops of the two moving blocks 22, a main supporting rod 19 is mounted at the top of each spherical-structure universal rotary part connecting mechanism 18, and the top ends of the two main supporting rods 19 are mounted at the center of the bottom of a top supporting base plate 21 through two supporting rod end universal rotary connecting mechanisms 20.
Referring to fig. 2, the longitudinal height-adjustable force-reducing rotation driving mechanism 14 with a reverse thread structure comprises a thread sleeve 141 with a longitudinal height-adjustable force-reducing rotation driving mechanism with a reverse thread structure, a thread section 142 with a longitudinal height-adjustable force-reducing rotation driving mechanism with a reverse thread structure, a thread structure 143 with a longitudinal height-adjustable force-reducing rotation driving mechanism with a reverse thread structure, a bottom threaded rod 144 with a longitudinal height-adjustable force-reducing rotation driving mechanism with a reverse thread structure, a top threaded rod 145 with a longitudinal height-adjustable force-reducing rotation driving mechanism with a reverse thread structure, a limiting hole 146 with a longitudinal height-adjustable force-reducing rotation driving mechanism with a reverse thread structure, a limiting rod 147 with a longitudinal height-adjustable force-reducing rotation driving mechanism with a reverse thread structure, a connecting plate 148 with a longitudinal height-adjustable force-reducing rotation driving mechanism with a reverse thread structure, a rod structure 149 with a longitudinal height-adjustable force, The bolt hole 1410 for the reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism and the transverse holding rod 1411 for the reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism; the inside center of the screw sleeve 141 for the reverse screw-thread-structure longitudinal height-adjustment type force-reducing rotary driving mechanism is provided with a screw thread section 142 for the reverse screw-thread-structure longitudinal height-adjustment type force-reducing rotary driving mechanism which communicates with both end faces of the screw sleeve 141 for the reverse screw-thread-structure longitudinal height-adjustment type force-reducing rotary driving mechanism, the screw sleeve 141 for the reverse screw-thread-structure longitudinal height-adjustment type force-reducing rotary driving mechanism is located on the inner wall of the screw thread section 142 for the reverse screw-thread-structure longitudinal height-adjustment type force-reducing rotary driving mechanism, the screw thread structure 143 for the reverse screw-thread-structure longitudinal height-adjustment type force-reducing rotary driving mechanism is provided with a reverse screw thread-structure longitudinal height-adjustment type force-reducing rotary driving mechanism through the screw thread structure 143 for the reverse screw thread section 142, the bottom and the top of the reverse screw thread section 142 for 144 and a reverse thread structure vertical height adjustment formula falls power for rotary drive mechanism top threaded rod 145, reverse thread structure vertical height adjustment formula falls power for rotary drive mechanism bottom threaded rod 144 and reverse thread structure vertical height adjustment formula and falls power for rotary drive mechanism top threaded rod 145 and all be provided with reverse thread structure vertical height adjustment formula and fall power for rotary drive mechanism spacing hole 146 in opposite end inside, two reverse thread structure vertical height adjustment formula falls power for rotary drive mechanism spacing hole 146 inserts a reverse thread structure vertical height adjustment formula and falls power for rotary drive mechanism spacing rod 147, reverse thread structure vertical height adjustment formula falls power for rotary drive mechanism bottom threaded rod 144 and reverse thread structure vertical height adjustment formula and falls power for rotary drive mechanism top threaded rod 145's other both ends and install reverse thread structure vertical height adjustment formula respectively and fall power for rotary drive mechanism connecting plate 148 and reverse thread structure vertical height adjustment formula and fall power for rotary drive mechanism top threaded rod 145 The structure longitudinal height adjusting type force reducing rotation driving mechanism rod structure 149 is characterized in that the inner part of the connecting plate 148 for the reverse thread structure longitudinal height adjusting type force reducing rotation driving mechanism and the side surface of the reverse thread structure longitudinal height adjusting type force reducing rotation driving mechanism rod structure 149 are respectively provided with a bolt hole 1410 for the reverse thread structure longitudinal height adjusting type force reducing rotation driving mechanism and a transverse holding rod 1411 for the reverse thread structure longitudinal height adjusting type force reducing rotation driving mechanism; the thread structure 143 for the reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism comprises an internal thread structure arranged on the inner wall of the thread sleeve 141 for the reverse thread structure longitudinal height adjustment type force-reducing rotation driving mechanism, and an external thread structure arranged on the body of the reverse thread structure longitudinal height adjustment type bottom threaded rod 144 for the force-reducing rotation driving mechanism and the reverse thread structure longitudinal height adjustment type top threaded rod 145 for the force-reducing rotation driving mechanism, and the thread directions of the thread structures on the body of the reverse thread structure longitudinal height adjustment type bottom threaded rod 144 for the force-reducing rotation driving mechanism and the reverse thread structure longitudinal height adjustment type top threaded rod 145 for the force-reducing rotation driving mechanism are opposite; the structure appearance of the cross section of the limiting hole 146 for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism and the structure appearance of the cross section of the limiting rod 147 for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism are both triangular structures, the end part of the bolt hole 1410 for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism is installed on the side surface of the rectangular block 13 through a bolt, and the main functions are as follows: due to the reverse thread relationship, the distance can be changed when the threaded sleeve 141 for the force-reducing rotary drive mechanism is rotated by rotating the longitudinal height-adjusting type of the reverse thread structure, thereby realizing the torque adjustment function.
Referring to fig. 3, the spherical-structure universal rotary member connecting mechanism 18 includes a convex block 181 for a spherical-structure universal rotary member connecting mechanism, a mounting plate 182 for a spherical-structure universal rotary member connecting mechanism, a hemispherical hollow housing 183 for a spherical-structure universal rotary member connecting mechanism, a spherical recess structure 184 for a spherical-structure universal rotary member connecting mechanism, a spherical body 185 for a spherical-structure universal rotary member connecting mechanism, a mounting hole 186 for a spherical-structure universal rotary member connecting mechanism, and a planar structure 187 for a spherical-structure universal rotary member connecting mechanism; the bottom of the convex block 181 for the spherical-structure universal rotary-type part-connecting mechanism is provided with a mounting plate 182 for the spherical-structure universal rotary-type part-connecting mechanism, the center of the upper surface of the convex block 181 for the spherical-structure universal rotary-type part-connecting mechanism is provided with a plurality of hemispherical hollow housings 183 for the spherical-structure universal rotary-type part-connecting mechanism which are integrated with the convex block 181 for the spherical-structure universal rotary-type part-connecting mechanism, the center of the inside of the hemispherical hollow housing 183 for the spherical-structure universal rotary-type part-connecting mechanism is provided with a spherical groove structure 184 for the spherical-structure universal rotary-type part-connecting mechanism, the hemispherical hollow housing 183 for the spherical-structure universal rotary-type part-connecting mechanism is provided with a spherical body 185 for the spherical-structure universal rotary-type part-connecting mechanism inside the spherical groove structure 184 for the, a spherical-structure-used planar structure 187 for the universal rotary part connecting mechanism is arranged at the center of the top of the spherical body 185 for the spherical-structure-used universal rotary part connecting mechanism, and a spherical-structure-used mounting hole 186 for the universal rotary part connecting mechanism is arranged at the bottom of the spherical-structure-used planar structure 187 for the universal rotary part connecting mechanism; the volume formed by the inner surface of the spherical groove structure 184 for the spherical structure universal rotary component connecting mechanism is 3/5-3/4 of the volume formed by the outer surface of the spherical body 185 for the spherical structure universal rotary component connecting mechanism; the bottom end of the mounting plate 182 for the spherical universal rotary part connecting mechanism is mounted at the top of the main moving block 18, the main support rod 19 is inserted into the mounting hole 186 for the spherical universal rotary part connecting mechanism, and the main functions are as follows: when connected, the main moving block 18 and the main support rod 19 can have a rotating function.
Referring to fig. 4, the two support rod end universal rotary connecting mechanism 20 includes a connecting plate 201 for two support rod end universal rotary connecting mechanisms, bolt holes 202 for two support rod end universal rotary connecting mechanisms, a vertical plate 203 for two support rod end universal rotary connecting mechanisms, a first shaft 204 for two support rod end universal rotary connecting mechanisms, a second shaft 205 for two support rod end universal rotary connecting mechanisms, a shaft sleeve 206 for two support rod end universal rotary connecting mechanisms, and a rod body mounting groove structure 207 for two support rod end universal rotary connecting mechanisms; two the inside of the universal swivelling joint mechanism of bracing piece end connecting plate 201 is provided with a plurality of two bolt holes 202 for the universal swivelling joint mechanism of bracing piece end, two riser 203 for the universal swivelling joint mechanism of bracing piece end for two the universal swivelling joint mechanism of bracing piece end installs two opposite two riser 203 for the universal swivelling joint mechanism of bracing piece end for the connecting plate 201 bottom, two riser 203 for the universal swivelling joint mechanism of bracing piece end installs parallel two first shafts 204 for the universal swivelling joint mechanism of bracing piece end and two second shafts 205 for the universal swivelling joint mechanism of bracing piece end, just the inside at two riser 203 for the universal swivelling joint mechanism of bracing piece end is installed through the bearing to the tip of two first shafts 204 for the universal swivelling joint mechanism of bracing piece end and two second shafts 205 for the universal swivelling joint mechanism of bracing piece end, two first shafts 204 for the universal swivelling joint mechanism of bracing piece end and two second shafts 204 for the universal swivelling joint mechanism of bracing piece end and two shaft sleeves 206 for supporting rod end universal rotary connection mechanisms are respectively installed on the shaft bodies of the bodies 205, and two rod body installation groove structures 207 for supporting rod end universal rotary connection mechanisms are respectively arranged in the middle sections of the two shaft sleeves 206 for supporting rod end universal rotary connection mechanisms; the rod body mounting groove structures 207 for the universal rotary connecting mechanisms at the end parts of the two support rods are respectively internally provided with a rod body at the top end of the main support rod 19; the connecting plate 201 for the universal rotary connection mechanism of the two support rod ends is installed at the center of the bottom of the top support substrate 21 through bolts inserted into the bolt holes 202 for the universal rotary connection mechanism of the two support rod ends, and the main functions are as follows: after the connection is realized, the rotating function of the two main supporting rods 19 can not be influenced at the same time, so that the height adjusting function is convenient to perform.
The specific use mode is as follows: during the work of the invention, the longitudinal height adjustment type force-reducing rotary driving mechanism 14 with the reverse threaded structure is firstly rotated, so that the longitudinal height adjustment type force-reducing rotary driving mechanism 14 with the reverse threaded structure is in the longest state, then the top supporting base plate 21 of the device is inserted below a part needing to be supported, at the moment, the longitudinal height adjustment type force-reducing rotary driving mechanism 14 with the reverse threaded structure is rotated, the main threaded rod 17 is rotated under the driving action of the gear, the two moving blocks 22 move in the same direction under the action of the threaded structure, so that the two main supporting rods 19 change displacement, the top supporting base plate 21 can move upwards to support parts, and after the work is finished, the longitudinal height adjustment type force-reducing rotary driving mechanism 14 with the reverse threaded structure moves downwards, and similarly, each part resets.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a poor and screw thread combination formula heavy object elevating gear, includes main cavity shell (1), its characterized in that: the bottom of one side of the main hollow shell (1) is provided with a bottom supporting base plate (2) which is of an integral structure with the main hollow shell, the upper surface of one side of the bottom supporting base plate (2) is provided with a vertical plate structure (3) which is of an integral structure with the bottom supporting base plate, the center of the inside of the main hollow shell (1) is provided with a main hollow structure (4), the top and the bottom of one side of the main hollow shell (1) are respectively provided with a first rotating shaft (5) and a second rotating shaft (7) through bearings, the top and the bottom of the other side of the main hollow shell (1) are respectively provided with a third rotating shaft (10) and a main threaded rod (17) through bearings, one end of the first rotating shaft (5) which is positioned outside is provided with a rectangular block (13), the side surface of the rectangular block (13) is provided with a longitudinal height adjusting type force reducing rotation driving mechanism (14) of a, a second gear (8) and a third gear (9) are mounted on the shaft body of the second rotating shaft (7), the tooth structures in the first gear (6) and the second gear (8) are meshed with each other, a fourth gear (11) and a first belt pulley (12) are mounted on the shaft body of the third rotating shaft (10), the tooth structures in the third gear (9) and the fourth gear (11) are meshed with each other, a second belt pulley (16) is mounted at one end of the inside of a main threaded rod (17), the first belt pulley (12) and the second belt pulley (16) are connected through a belt (15), the structure radius of the reference circle of the first gear (6) is smaller than that of the reference circle of the second gear (8), the structure radius of the reference circle of the second gear (8) is larger than that of the reference circle of the third gear (9), and the structure radius of the reference circle of the third gear (9) is smaller than that of the reference circle of the fourth gear (11) The structure radius of the outer ring of the first belt pulley (12) is the same as that of the outer ring of the second belt pulley (16), an external thread structure is arranged on a rod body of the main threaded rod (17), one end of the outer part of the main threaded rod (17) is arranged inside the vertical plate structure (3) through a bearing, two opposite moving blocks (22) are arranged on the rod body of the main threaded rod (17), internal thread structures are arranged at the centers of the two moving blocks (22), the internal thread structures are meshed with the external thread structures and are positioned inside the two moving blocks (22), the thread directions of the internal thread structures are opposite, a universal rotary part connecting mechanism (18) with a spherical structure is arranged at the tops of the two moving blocks (22), a main support rod (19) is arranged at the top of the universal rotary part connecting mechanism (18) with the spherical structure, and the top ends of the two main support rods (19) are provided with universal rotary connecting mechanisms (20) through the ends of the two support rods The center of dress in a top supporting baseplate (21) bottom, the power rotation driving mechanism is fallen to vertical altitude mixture control formula of reverse screw structure (14) includes that the vertical altitude mixture control formula of reverse screw structure falls power for rotation driving mechanism threaded sleeve (141), the vertical altitude mixture control formula of reverse screw structure falls power for rotation driving mechanism threaded section (142), the vertical altitude mixture control formula of reverse screw structure falls power for rotation driving mechanism threaded structure (143), the vertical altitude mixture control formula of reverse screw structure falls power for rotation driving mechanism bottom threaded rod (144), the vertical altitude mixture control formula of reverse screw structure falls power for rotation driving mechanism top threaded rod (145), the vertical altitude mixture control formula of reverse screw structure falls power for rotation driving mechanism spacing hole (146), the vertical altitude mixture control formula of reverse screw structure falls power for rotation driving mechanism spacing rod (147), the vertical altitude mixture control formula of reverse screw structure falls power for rotation driving mechanism connecting plate (148), The vertical height adjusting type reverse thread structure is used for a rod body structure (149) for the force reducing rotary driving mechanism, the vertical height adjusting type reverse thread structure is used for a bolt hole (1410) for the force reducing rotary driving mechanism, and the vertical height adjusting type reverse thread structure is used for a transverse holding rod (1411) for the force reducing rotary driving mechanism; the inside center of the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism thread sleeve (141) is provided with a thread section (142) for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism which is communicated with the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism thread sleeve (141) two end faces, the inner wall of the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism thread section (142) is provided with a thread structure (143) for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism, the bottom and the top of the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism thread section (142) are connected with a reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism thread structure (143) through the thread structure (143) for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism respectively The vertical altitude mixture control of reverse thread structure falls power for rotary driving mechanism and falls power for rotary driving mechanism's top threaded rod (145) with the vertical altitude mixture control of reverse thread structure, the vertical altitude mixture control of reverse thread structure falls power for rotary driving mechanism and falls power for rotary driving mechanism's top threaded rod (145) with the vertical altitude mixture control of reverse thread structure and all is provided with the vertical altitude mixture control of reverse thread structure and falls power for rotary driving mechanism's spacing hole (146) in opposition end inside, two the vertical altitude mixture control of reverse thread structure falls power for rotary driving mechanism's spacing hole (146) inside inserts a vertical altitude mixture control of reverse thread structure and falls power for rotary driving mechanism's spacing rod (147), the vertical altitude mixture control of reverse thread structure falls power for rotary driving mechanism's bottom threaded rod (144) and the vertical altitude mixture control of reverse thread structure and falls power for rotary driving mechanism's top threaded rod (145) other both ends respectively Install the vertical altitude mixture control formula of reverse screw thread structure and fall power rotation driving mechanism and use connecting plate (148) and the vertical altitude mixture control formula of reverse screw thread structure and fall power rotation driving mechanism and use body of rod structure (149), the vertical altitude mixture control formula of reverse screw thread structure falls the inside of the vertical altitude mixture control formula of power rotation driving mechanism and use connecting plate (148) and the vertical altitude mixture control formula of reverse screw thread structure and fall power rotation driving mechanism and use body of rod structure (149) the side and be provided with the vertical altitude mixture control formula of reverse screw thread structure and fall power rotation driving mechanism and use horizontal holding rod (1411) respectively.
2. A differential gear and thread combination weight lifting device according to claim 1, wherein: the vertical altitude mixture control formula of reverse thread structure falls power rotatory actuating mechanism and uses helicitic texture (143) falls the internal thread structure of power rotatory actuating mechanism and use threaded sleeve (141) inner wall and set up and fall the external screw thread structure on the power rotatory actuating mechanism and use top threaded rod (145) body of rod at the vertical altitude mixture control formula of reverse thread structure falls power rotatory actuating mechanism and use bottom threaded rod (144) and the vertical altitude mixture control formula of reverse thread structure and fall power rotatory actuating mechanism and use top threaded rod (145) body of rod including setting up, and be located the vertical altitude mixture control formula of reverse thread structure falls power rotatory actuating mechanism and falls the screw thread opposite direction of the helicitic texture on the power rotatory actuating mechanism and use top threaded rod (145) body of rod with bottom threaded rod (144) and the vertical altitude.
3. A differential gear and thread combination weight lifting device according to claim 1, wherein: the structure appearance of the cross section of the limiting hole (146) for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism and the structure appearance of the cross section of the limiting rod (147) for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism are both triangular structures, and the end part of the bolt hole (1410) for the reverse thread structure longitudinal height adjusting type force reducing rotary driving mechanism is installed on the side surface of the rectangular block (13) through a bolt.
4. A differential gear and thread combination weight lifting device according to claim 1, wherein: the spherical-structure universal rotary component connecting mechanism (18) comprises a convex block (181) for the spherical-structure universal rotary component connecting mechanism, a mounting plate (182) for the spherical-structure universal rotary component connecting mechanism, a hemispherical hollow shell (183) for the spherical-structure universal rotary component connecting mechanism, a spherical groove structure (184) for the spherical-structure universal rotary component connecting mechanism, a spherical body (185) for the spherical-structure universal rotary component connecting mechanism, a mounting hole (186) for the spherical-structure universal rotary component connecting mechanism and a planar structure (187) for the spherical-structure universal rotary component connecting mechanism; the bottom of the convex block (181) for the spherical-structure universal rotary component connecting mechanism is provided with a mounting plate (182) for the spherical-structure universal rotary component connecting mechanism, the center of the upper surface of the convex block (181) for the spherical-structure universal rotary component connecting mechanism is provided with a plurality of hemispherical hollow shells (183) for the spherical-structure universal rotary component connecting mechanism with the convex block (181) as an integral structure, the inner center of the hemispherical hollow shell (183) for the spherical-structure universal rotary component connecting mechanism is provided with a spherical groove structure (184) for the spherical-structure universal rotary component connecting mechanism, the hemispherical hollow shell (183) for the spherical-structure universal rotary component connecting mechanism is located at the inner part of the spherical-structure universal rotary component connecting mechanism with the spherical groove structure (184) And a spherical body (185), wherein a spherical structure universal rotary component connection mechanism planar structure (187) is arranged at the center of the top of the spherical body (185), and a spherical structure universal rotary component connection mechanism mounting hole (186) is arranged at the bottom of the spherical structure universal rotary component connection mechanism planar structure (187).
5. A differential gear and thread combination weight lifting device according to claim 4, wherein: the volume formed by the inner surface of the spherical groove structure (184) for the spherical structure universal rotary component connecting mechanism is 3/5-3/4 of the volume formed by the outer surface of the spherical body (185) for the spherical structure universal rotary component connecting mechanism.
6. A differential gear and thread combination weight lifting device according to claim 4, wherein: the bottom end of the mounting plate (182) for the spherical-structure universal rotary part connecting mechanism is mounted on the top of the main moving block (18), and the main support rod (19) is inserted into the mounting hole (186) for the spherical-structure universal rotary part connecting mechanism.
7. A differential gear and thread combination weight lifting device according to claim 1, wherein: the two support rod end universal rotary connecting mechanisms (20) comprise two support rod end universal rotary connecting mechanism connecting plates (201), two support rod end universal rotary connecting mechanism bolt holes (202), two support rod end universal rotary connecting mechanism vertical plates (203), two support rod end universal rotary connecting mechanism first shaft bodies (204), two support rod end universal rotary connecting mechanism second shaft bodies (205), two support rod end universal rotary connecting mechanism shaft sleeves (206) and two support rod end universal rotary connecting mechanism rod body mounting groove structures (207); the inside of two connecting plate (201) for the universal swivelling joint mechanism of two bracing piece tip is provided with a plurality of bolt holes (202) for the universal swivelling joint mechanism of two bracing piece tip, two riser (203) for the universal swivelling joint mechanism of two bracing piece tip that two pairs are upright are installed to two connecting plate (201) for the universal swivelling joint mechanism of two bracing piece tip bottoms first axis body (204) for the universal swivelling joint mechanism of two bracing piece tip and second axis body (205) for the universal swivelling joint mechanism of two bracing piece tip that parallel are installed at opposite terminal surface, just the tip of two first axis body (204) for the universal swivelling joint mechanism of two bracing piece tip and second axis body (205) for the universal swivelling joint mechanism of two bracing piece tip passes through the bearing and installs the inside at riser (203) for the universal swivelling joint mechanism of two bracing piece tip, all install two support rod end portion shaft sleeves (206) for the universal swivelling joint mechanism of end portion on the axis body of two support rod end portion universal swivelling joint mechanism first axis body (204) and two support rod end portion universal swivelling joint mechanism second axis bodies (205) two support rod end portion universal swivelling joint mechanism is with shaft sleeve (206) middle section inside all is provided with two support rod end portion universal swivelling joint mechanism and uses body of rod installation groove structure (207).
8. A differential gear and thread combination weight lifting device according to claim 7, wherein: the rod bodies at the top ends of the main support rods (19) are respectively arranged in the rod body mounting groove structures (207) for the universal rotary connecting mechanisms at the end parts of the two support rods.
9. A differential gear and thread combination weight lifting device according to claim 7, wherein: the connecting plate (201) for the universal rotary connecting mechanism of the two supporting rod ends is installed at the center of the bottom of the top supporting base plate (21) through bolts inserted into the bolt holes (202) for the universal rotary connecting mechanism of the two supporting rod ends.
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| CN202010100024.XA CN111232874B (en) | 2020-02-18 | 2020-02-18 | Gear difference and thread combined weight lifting device |
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| CN111232874B true CN111232874B (en) | 2021-06-11 |
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| DE641486C (en) * | 1937-02-02 | Friedrich Stupp | Lifting platform | |
| US1727182A (en) * | 1927-11-25 | 1929-09-03 | Columbia Machine Works And Mal | Vehicle lift |
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| CN2214250Y (en) * | 1995-01-18 | 1995-12-06 | 鞍山钢铁公司 | Special driller for on-site working furnace cooling wall |
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| CN111232874A (en) | 2020-06-05 |
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