CN220412634U - Through hole symmetrical self-expanding locking lifting appliance - Google Patents
Through hole symmetrical self-expanding locking lifting appliance Download PDFInfo
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- CN220412634U CN220412634U CN202321932329.2U CN202321932329U CN220412634U CN 220412634 U CN220412634 U CN 220412634U CN 202321932329 U CN202321932329 U CN 202321932329U CN 220412634 U CN220412634 U CN 220412634U
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- sliding rail
- locking
- guide rail
- rail sleeve
- screw rod
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- 238000003825 pressing Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a through hole symmetrical self-expanding locking lifting appliance, which structurally comprises a sliding rail sleeve, a driven pull rod, a symmetrical supporting beam, a locking pressing plate, a locking nut and a guide rail screw rod; the locking pressing plate is arranged at the top of the sliding rail sleeve, and the 2 symmetrical supporting beams are symmetrically arranged at the bottom of the middle sliding rail sleeve through bolts; the guide rail screw rod is arranged in the slide rail sleeve, the top end of the guide rail screw rod is arranged at the top of the slide rail sleeve through a locking nut, and the bottom end of the guide rail screw rod extends out of the side surface of the slide rail sleeve and is respectively connected with the middle parts of the 2 symmetrical supporting beams through 2 driven pull rods. The utility model can ensure that the lifting appliance can not be loosened and slipped, the lifting appliance can not generate relative motion with a workpiece after lifting, and the lifting appliance is balanced and has high safety performance; meanwhile, a large amount of time is saved, the production efficiency is improved, the use is convenient, the assembly and the disassembly are quick, the applicability is strong, the structure is simple, the manufacture and the implementation are easy, the planetary gear type lifting hole-free workpiece is suitable for various lifting hole-free workpieces of planetary gears, the application prospect is wide, and the planetary gear type lifting hole-free workpiece is suitable for large-area popularization and use.
Description
Technical Field
The utility model relates to a through hole symmetrical self-expanding locking lifting appliance, and belongs to the technical field of tooling equipment.
Background
The reduction gearbox is a power transmission device composed of a gear transmission structure, a worm transmission structure and a gear-worm transmission structure which are enclosed in a rigid shell, is used as a reduction transmission device between a prime mover and a working machine, reduces speed and improves output torque, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine, and is widely applied to modern industrial mechanical equipment. In harbour machinery equipment, the reduction gearbox is generally used in large-scale hoisting transfer equipment such as cranes and gantry cranes, is used for converting high rotation speed of a high-power motor into low rotation speed, and obtains larger torque so as to ensure stable operation in the processes of hoisting and transporting goods.
The reduction gearbox equipment can be divided into a gear reduction gearbox, a worm reduction gearbox, a planetary reduction gearbox and the like according to transmission types, wherein the internal structure of the planetary reduction gearbox is usually that a plurality of planetary gears surround a sun gear and are jointly installed in an inner gear ring for rotation. Along with the continuous widening of the application field of the reduction gearbox, the specification of the reduction gearbox is also continuously changed and improved along with the continuous change and improvement of the size of equipment, and the size variety of internal planet gears is also continuously increased, wherein part of reduction gearbox planet gears for wind power equipment cannot be used for machining lifting holes on the surface due to the requirement of working conditions, and workpieces cannot be stacked and charged in a furnace when carburizing and quenching processes are carried out in a heat treatment workshop, and only lifting belts can be used for lifting in the furnace charging process, so that the efficiency is low, the production cost is increased, and the potential safety hazards of falling exist.
Disclosure of Invention
The utility model aims to solve the problems in the existing planetary gear processing and hoisting process. The through hole symmetrical self-expanding locking lifting appliance is provided, so that safe lifting and gapless stacking of wind power planetary gears without lifting holes are realized, the heat treatment charging amount is increased, and the lifting speed of the planetary gears is improved.
The technical solution of the utility model is as follows: a through hole symmetrical self-expanding locking lifting appliance structurally comprises a sliding rail sleeve, a driven pull rod, a symmetrical supporting beam, a locking pressing plate, a locking nut and a guide rail screw; the locking pressing plate is arranged at the top of the sliding rail sleeve, and the 2 symmetrical supporting beams are symmetrically arranged at the bottom of the middle sliding rail sleeve through bolts; the guide rail screw rod is arranged in the slide rail sleeve, the top end of the guide rail screw rod is arranged at the top of the slide rail sleeve through a locking nut, and the bottom end of the guide rail screw rod extends out of the side surface of the slide rail sleeve and is respectively connected with the middle parts of the 2 symmetrical supporting beams through 2 driven pull rods.
Further, the locking pressing plate is of a strip-shaped structure, a circular through hole is formed in the center of the locking pressing plate, and the left side and the right side of the through hole are symmetrically provided with strip pressing plates with the same length.
Further, the side surface of the upper part of the guide rail screw is provided with threads, and the top end of the guide rail screw is provided with a lifting hanging ring; the left side and the right side of the lower part of the guide rail screw rod are symmetrically provided with flat movable connecting parts, and the centers of the 2 movable connecting parts are provided with screw holes.
Further, the sliding rail sleeve is of a hollow tubular structure, an opening is formed in the top of the sliding rail sleeve, the sliding rail screw rod can move up and down in the sliding rail sleeve, the top end of the sliding rail screw rod extends out of the opening in the top of the sliding rail sleeve and penetrates through a through hole in the center of the locking pressing plate, and the locking nut is sleeved on a thread on the upper portion of the sliding rail screw rod and is connected with the locking pressing plate and pressed tightly.
Further, 2 vertical grooves are symmetrically formed in the side wall of the sliding rail sleeve, and 2 movable connecting portions at the bottom end of the guide rail screw rod extend out of the side wall of the sliding rail sleeve from the 2 grooves respectively and are correspondingly connected with one ends of the 2 driven pull rods through bolts.
Further, the bottom of the sliding rail sleeve is open to form 2 support beam connecting parts which are oppositely arranged, and one ends of the 2 symmetrical support beams are jointly installed between the 2 support beam connecting parts through the same bolt.
Further, the upper side of the middle part of the symmetrical supporting beam is provided with a connecting part correspondingly connected with the driven pull rod, and the top of the other tail end of the symmetrical supporting beam is provided with a notch.
Compared with the prior art, the utility model has the advantages that:
1) In the lifting process of the planetary wheel workpiece, the lifting appliance is clamped on a step structure of an inner hole of the workpiece through the symmetrical supporting beams, and is locked through the top nut, so that the lifting appliance is prevented from loosening and sliding off, the lifting appliance and the workpiece do not generate relative motion after being lifted, the lifting appliance is balanced, and the safety performance is high; meanwhile, a single nut is adopted for locking operation, so that a large amount of time is saved, the production efficiency is improved, the use is convenient, the assembly and disassembly are quick, the applicability is strong, the structure is simple, and the manufacture and the implementation are easy;
2) Besides utilizing the step structure in the planetary gear workpiece, the lifting tool can utilize the self-locking force of the nut to generate enough friction force for lifting the workpiece between the lifting tool and the inner hole of the workpiece, can modify the size parameter of the lifting tool according to the size of the workpiece, is suitable for various workpieces without lifting holes of the planetary gear, has wide application prospect, and is suitable for large-area popularization and use;
3) The lifting appliance meets the requirement of heat treatment stacking and charging of planetary gear workpieces, and about 20 planetary gears can be arranged in each furnace, so that economic benefit of 5.5 ten thousand yuan per furnace can be increased, and the efficiency can be increased by about 100 ten thousand yuan per year.
Drawings
Fig. 1 is a schematic structural view of a through hole symmetrical self-expanding locking sling of the utility model.
Fig. 2 is a use state diagram of the through hole symmetrical self-expanding locking lifting appliance.
Description of the embodiments
The technical scheme of the utility model is further described below with reference to the accompanying drawings. Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above" and "over" a second feature includes both the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "under," "under" and "beneath" the second feature includes the first feature being directly under and obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.
The through hole symmetrical self-expanding locking lifting appliance shown in fig. 1 structurally comprises a sliding rail sleeve 1, a driven pull rod 2, a symmetrical supporting beam 3, a locking pressing plate 4, a locking nut 5 and a guide rail screw rod 6; the locking pressing plate 4 is arranged at the top of the sliding rail sleeve 1, and the 2 symmetrical supporting beams 3 are symmetrically arranged at the bottom of the middle sliding rail sleeve 1 through bolts; the guide rail screw rod 6 is arranged in the slide rail sleeve 1, the top end of the guide rail screw rod is arranged at the top of the slide rail sleeve 1 through the locking nut 5, the bottom end of the guide rail screw rod extends out of the side surface of the slide rail sleeve 1, and the guide rail screw rod is respectively connected with the middle parts of the 2 symmetrical supporting beams 3 through the 2 driven pull rods 2.
The locking pressing plate 4 is of a strip-shaped structure, a circular through hole is formed in the center of the locking pressing plate, strip pressing plates with the same length are symmetrically arranged on the left side and the right side of the through hole and used for pressing the edge of the upper surface of a planetary gear workpiece during use, and the lifting appliance is integrally fixed.
The side surface of the upper part of the guide rail screw rod 6 is provided with threads, and the top end of the guide rail screw rod is provided with a lifting hanging ring 7 for connecting external lifting equipment; the left and right sides of the lower part of the guide rail screw rod 6 are symmetrically provided with flat movable connecting parts, and the centers of the 2 movable connecting parts are provided with screw holes for connecting the driven pull rod 2.
The slide rail sleeve 1 is of a hollow tubular structure, the top of the slide rail sleeve 1 is provided with an opening, the guide rail screw 6 can move up and down in the slide rail sleeve 1, the top of the slide rail screw extends out of the opening at the top of the slide rail sleeve 1 and penetrates through a through hole in the center of the locking pressing plate 4, the locking nut 5 is sleeved on threads on the upper part of the guide rail screw 6 and is connected with the locking pressing plate 4 to be tightly pressed, the position of the guide rail screw 6 is locked relatively, and the relative height of the guide rail screw 6 in the slide rail sleeve 1 can be adjusted by rotating the locking nut 5.
The side wall of the slide rail sleeve 1 is symmetrically provided with 2 vertical grooves, 2 movable connecting parts at the bottom end of the guide rail screw rod 6 extend out of the side wall of the slide rail sleeve 1 from the 2 grooves respectively and are correspondingly connected with one ends of the 2 driven pull rods 2 through bolts, so that the synchronous movement of the 2 driven pull rods 2 is driven through the up-and-down movement of the guide rail screw rod 6.
The bottom of the sliding rail sleeve 1 is open to form 2 support beam connecting parts which are oppositely arranged, one ends of the 2 symmetrical support beams 3 are jointly arranged between the 2 support beam connecting parts through the same bolt, and the sliding rail sleeve can rotate around the bottom of the sliding rail sleeve 1 as the center.
The upper side of the middle part of the symmetrical supporting beam 3 is provided with a connecting part correspondingly connected with the driven pull rod 2, and the top of the other tail end of the symmetrical supporting beam 3 is provided with a notch for clamping the step structure inside the planetary gear workpiece.
As shown in fig. 2, in actual use, the steps of the inner hole of the planetary workpiece to be hoisted in the embodiment are found to be more protruding, so that the planetary workpiece can be used as a hoisting stress position and is more reliable than hoisting by pure inner hole friction force. The utility model is arranged above the planetary gear workpiece, and the two ends of the locking pressing plate are pressed at the top edge of the planetary gear workpiece; extending the slide rail sleeve into the inner side of the cavity of the planetary gear workpiece, so that 2 symmetrical support beams are positioned below the step structure in the planetary gear workpiece; rotating the lock nut to enable the guide rail screw rod to move upwards in the sliding rail sleeve to drive the 2 driven pull rods to move upwards symmetrically, so as to drive the 2 symmetrical support beams to rotate synchronously and expand until the gaps at the tail ends of the 2 symmetrical support beams are clamped below the step structure of the planetary wheel workpiece, thereby forming a fixed structure; hoisting a hoisting ring at the top of the guide rail screw rod on a crane to finish the hoisting procedure of the planetary gear workpiece.
In the process, the position of the hanging point is moved from the middle part to the upper part of the workpiece, so that the stability is improved; due to the existence of the lock nut and the slide rail sleeve, the whole lifting appliance is ensured not to deviate, so that the upper and lower positions of the 2 symmetrical supporting beams are ensured to be consistent, namely the supporting points are symmetrical; the locking nut can prevent the workpiece from loosening after being stressed, and the position of the movable part is limited by the nut besides the dead weight of the workpiece in the clamping process, so that the workpiece is prevented from sliding off; meanwhile, the lifting appliance and the workpiece are mutually fixed through the locking pressing plate, balance lifting is guaranteed, and a worker can lift the planet wheel only by operating a single nut. In addition, if the planetary gear workpiece has no step structure, the self-locking force of the nut can be utilized to directly contact the tail end of the symmetrical supporting beam with the inner hole of the workpiece, so that a friction force enough to lift the workpiece is generated. The supporting beam moves from bottom to top, so that the problem that the lifting device cannot be lifted due to the fact that the upper opening is small and the lower opening is large is avoided, the size parameter of the lifting device can be modified according to the size of the workpiece, and the supporting beam is suitable for various workpieces without lifting holes of the planet wheel.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme and the concept of the present utility model, and should be covered by the scope of the present utility model.
Claims (7)
1. A through hole symmetrical self-expanding locking lifting appliance is characterized in that: the structure of the device comprises a sliding rail sleeve (1), a driven pull rod (2), a symmetrical supporting beam (3), a locking pressing plate (4), a locking nut (5) and a guide rail screw rod (6); the locking pressing plate (4) is arranged at the top of the sliding rail sleeve (1), and the 2 symmetrical supporting beams (3) are symmetrically arranged at the bottom of the middle sliding rail sleeve (1) through bolts; the guide rail screw rod (6) is arranged in the sliding rail sleeve (1), the top end of the guide rail screw rod is arranged at the top of the sliding rail sleeve (1) through the lock nut (5), and the bottom end of the guide rail screw rod extends out of the side face of the sliding rail sleeve (1) and is respectively connected with the middle parts of the 2 symmetrical supporting beams (3) through the 2 driven pull rods (2).
2. The through-hole symmetrical self-expanding locking sling as defined in claim 1, wherein: the locking pressing plate (4) is of a strip-shaped structure, a circular through hole is formed in the center of the locking pressing plate, and the left side and the right side of the through hole are symmetrically provided with strip pressing plates with the same length.
3. The through-hole symmetrical self-expanding locking sling as defined in claim 1, wherein: the side surface of the upper part of the guide rail screw rod (6) is provided with threads, and the top end of the guide rail screw rod is provided with a lifting hanging ring (7); the left side and the right side of the lower part of the guide rail screw rod (6) are symmetrically provided with flat movable connecting parts, and the centers of the 2 movable connecting parts are provided with screw holes.
4. A through-hole symmetrical self-expanding locking spreader according to claim 1 or 2, characterized in that: the sliding rail sleeve (1) is of a hollow tubular structure, an opening is formed in the top of the sliding rail sleeve, the guide rail screw (6) can move up and down in the sliding rail sleeve (1), the top end of the sliding rail screw extends out of the opening in the top of the sliding rail sleeve (1) and penetrates through a through hole in the center of the locking pressing plate (4), and the locking nut (5) is sleeved on threads on the upper portion of the guide rail screw (6) and is connected with the locking pressing plate (4) to be pressed tightly.
5. A through-hole symmetrical self-expanding locking spreader according to claim 1 or 3, characterized in that: the side wall of the sliding rail sleeve (1) is symmetrically provided with 2 vertical grooves, and 2 movable connecting parts at the bottom end of the guide rail screw (6) extend out of the side wall of the sliding rail sleeve (1) from the 2 grooves respectively and are correspondingly connected with one ends of the 2 driven pull rods (2) through bolts.
6. The through-hole symmetrical self-expanding locking sling as defined in claim 1, wherein: the bottom of the sliding rail sleeve (1) is open to form 2 support beam connecting parts which are oppositely arranged, and one ends of the 2 symmetrical support beams (3) are jointly arranged between the 2 support beam connecting parts through the same bolt.
7. The through-hole symmetrical self-expanding locking sling as defined in claim 1, wherein: the upper side of the middle part of the symmetrical supporting beam (3) is provided with a connecting part correspondingly connected with the driven pull rod (2), and the top of the other tail end of the symmetrical supporting beam (3) is provided with a notch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022232941189 | 2022-12-09 | ||
| CN202223294118 | 2022-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220412634U true CN220412634U (en) | 2024-01-30 |
Family
ID=89656067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321932329.2U Active CN220412634U (en) | 2022-12-09 | 2023-07-21 | Through hole symmetrical self-expanding locking lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220412634U (en) |
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2023
- 2023-07-21 CN CN202321932329.2U patent/CN220412634U/en active Active
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