CN211163727U

CN211163727U - Multi-nut quick assembly disassembly device

Info

Publication number: CN211163727U
Application number: CN201922259204.8U
Authority: CN
Inventors: 蔡健文; 林小娟; 李华智; 王嘉; 吕青; 许哲铃
Original assignee: Foshan Polytechnic
Current assignee: Foshan Polytechnic
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-04
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a many nuts quick assembly disassembly device, include: the planetary gear is arranged between the inner gear ring and the sun gear and meshed with the inner gear ring and the sun gear. The utility model discloses there are two kinds of mode: firstly, the purposes of speed reduction, torque increment and labor saving are achieved: the middle sun gear is directly used as an input power end to be meshed with the plurality of planetary gears, the axes of the planetary gears are fixed, so that the planetary gears cannot revolve, the outer gear ring idles, and the sleeve adapter on the planetary gear shaft is driven to operate. Secondly, the purpose of accelerating the quick assembly and disassembly is achieved: the gear of the joint sleeve is shifted to enable the joint sleeve to be meshed with the outer gear ring rotating device, so that the input end is switched, power output is carried out through the outer gear ring, the planetary gear is driven to rotate to drive the planetary gear shaft, the sun gear is in an idle running state at the moment, and therefore the sleeve adapter on the planetary gear shaft is driven to operate.

Description

Multi-nut quick assembly disassembly device

Technical Field

The utility model relates to a nut assembly and disassembly tools technical field especially relates to a many nuts quick assembly disassembly device.

Background

At present, in the maintenance process of automobile engines and tooling equipment, a plurality of symmetrical and equidistant nuts are frequently required to be dismounted and mounted simultaneously, however, no device capable of dismounting a plurality of symmetrical and equidistant nuts simultaneously is available in the market at present. Maintenance personnel can only disassemble and assemble the nuts one by one usually, so that the phenomena of low working efficiency and difficult uniform moment in disassembly and assembly are caused.

A chinese utility model patent that publication number is CN205572284U discloses a many nuts dismouting device of variable centre-to-centre spacing, as shown in fig. 1, including planet carrier 01, planet carrier 01 is equipped with central through-hole 02 and centers on a plurality of bar holes that central through-hole 02 set up, the length direction in bar hole is directional central through-hole 02's center, set up rotatable sun gear 03 in the central through-hole 02, sun gear 03's pivot center is equipped with drive connection structure, the downthehole adjusting block 04 that is equipped with of bar, adjusting block 04 constitutes the planet wheel hole with bar hole one end, with the planet wheel 05 of sun gear 03 meshing is rotatable to be set up the planet wheel is downthehole, the rotation axis position of planet wheel 05 is equipped with the sleeve. The utility model discloses a though can carry out dismouting operation to a plurality of nuts simultaneously, still have following defect: 1) when the center distance is changed, the sun gear needs to be replaced and the position of the adjusting block needs to be adjusted, so that the operation and the adjustment are very inconvenient. 2) The planet wheel only contacts one side with the sun gear, and structural stability is poor, appears the dead trouble of card easily when the power of transmission between the two is too big, leads to many nuts dismouting device to be out of use.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a simple structure, convenient to use have the laborsaving and two functions's of dismouting multi-nut quick assembly disassembly device with higher speed of speed reduction increase moment simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

The utility model provides a many nuts quick assembly disassembly device which characterized in that includes: the planetary gear, the inner gear ring, the rotating shaft, the sun gear, the planet carrier, the joint sleeve, the shifting plectrum and the spline hub are rotatably mounted on the planet carrier, the planetary gear is arranged between the inner gear ring and the sun gear and is meshed with the inner gear ring and the sun gear, the rotating shaft is connected with the spline hub, the spline hub comprises a first spline hub, a second spline hub and a third spline hub which are sequentially overlapped and can rotate mutually, the rotating shaft penetrates through the first spline hub and then is fixed with the second spline hub, the inner gear ring and the sun gear are respectively fixed with the first spline hub and the third spline hub, the joint sleeve is sleeved on the spline hub, inner teeth meshed with the spline hub are arranged in the joint sleeve, and the shifting plectrum is connected with the joint sleeve and is used for shifting the joint sleeve so as to enable the second spline hub to be meshed with the first spline hub, One of the third splined hubs is engaged for synchronous rotation.

More preferably, the rotating shaft of the planetary gear is provided with a sleeve adapter, and the sleeves of different specifications are mounted on the sleeve adapter to realize the dismounting of nuts of different models.

More preferably, the sleeve adapter is a triangular structure, a square structure, a pentagonal structure or a hexagonal structure.

More preferably, a retainer ring located outside the ring gear is mounted on the carrier, and a needle bearing is provided between the retainer ring and the ring gear.

More preferably, the number of the planetary gears is four, and the four planetary gears are arranged at equal intervals with the rotating shaft and form a cross structure.

More preferably, a shaft handle is connected to the shaft.

More preferably, the rotating shaft handle is a folding rotating handle with a variable force arm, and comprises a first telescopic arm, a variable force arm and a second telescopic arm which are sequentially inserted, the first telescopic arm and the second telescopic arm are L-shaped, the variable force arm is U-shaped, two ends of the variable force arm respectively form an insertion structure with adjustable relative positions with the first telescopic arm and the second telescopic arm, and the force arm of the rotating shaft handle can be changed by changing the insertion positions of the variable force arm and the first telescopic arm and the second telescopic arm.

More preferably, the planet carrier is a cross, and the planet gear is connected with the end part of the cross through a bearing gasket; and a support rod for supporting the inner gear ring extends on the bearing gasket.

More preferably, a connecting piece is fixed on the first spline hub, a plurality of connecting rods arranged at intervals extend on the connecting piece, and each connecting rod is connected and fixed with the inner gear ring.

More preferably, the shift paddle is provided in two pieces, disposed on both sides of the engaging sleeve.

The utility model has the advantages that:

the utility model provides a pair of many nuts quick assembly disassembly device has two kinds of mode altogether: one is that the shift plectrum is operated to make the second spline hub and the third spline hub joint, utilizes the sun gear as power take off end to drive planetary gear to drive the sleeve adapter on the planetary gear axle and carry out the operation, and the ring gear belongs to idle running this moment, reaches "little biography big" speed reduction increase square laborsaving purpose. And secondly, the gear shifting plectrum is operated to enable the second spline hub to be connected with the first spline hub, the inner gear ring is used as a power output end to drive the planetary gear, so that the sleeve adapter on the planetary gear shaft is driven to operate, and at the moment, the sun gear is idle, so that the purpose of accelerating and quickly dismounting the sun gear in a large transmission mode is achieved.

Compared with the prior art, the utility model changes the power output direction through the shifting sheet, thereby changing the output torque, having reasonable integral structure and high reliability, and avoiding the interference between parts; meanwhile, the operation is convenient, the working efficiency of maintenance personnel is improved, and the labor intensity of the operation personnel is reduced. In addition, the sleeves with different specifications are mounted on the sleeve adapter, so that the nuts with different models and equal distances can be disassembled and assembled, and the universality is good.

Drawings

Fig. 1 is a schematic structural view of a conventional multi-nut quick-dismounting device.

Fig. 2 shows that the utility model provides a many nuts quick assembly disassembly device structure sketch map.

Fig. 3 shows a bottom view of the multi-nut quick assembly/disassembly device provided by the present invention.

Fig. 4 is a schematic view showing a connection structure of the spline hub and the coupling sleeve.

Description of reference numerals:

01: planet carrier, 02: central through hole, 03: sun gear, 04: adjusting block, 05: and a planet wheel.

1: planetary gear, 2: ring gear, 3: rotating shaft, 4: sun gear, 5: planet carrier, 6: engaging sleeve, 7: shift paddle, 8: spline hub, 9: sleeve adapter, 10: retainer ring, 11: needle roller bearing, 12: pivot handle, 13: bearing spacer, 14: support bar, 15: connecting piece, 16: a connecting rod.

8-1: first spline hub, 8-2: second spline hub, 8-3: a third splined hub.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

As shown in fig. 2 to 4, a multi-nut quick-release apparatus includes: the planetary gear 1, the inner gear ring 2, the rotating shaft 3, the sun gear 4, the planet carrier 5, the engaging sleeve 6, the shift paddle 7 and the spline hub 8, the planetary gear 1, the inner gear ring 2 and the sun gear 4 are rotatably mounted on the planet carrier 5, the planetary gear 1 is arranged between the inner gear ring 2 and the sun gear 4 and is engaged with the inner gear ring 2 and the sun gear 4, the rotating shaft 3 is connected with the spline hub 8, the spline hub 8 comprises a first spline hub 8-1, a second spline hub 8-2 and a third spline hub 8-3 which are sequentially overlapped and can rotate mutually, the rotating shaft 3 is fixed with the second spline hub 8-2 after penetrating through the first spline hub 8-1, the inner gear ring 2 and the sun gear 3 are respectively fixed with the first spline hub 8-1 and the third spline hub 8-3, the engaging sleeve 6 is sleeved on the spline hub 8, an internal tooth meshed with the spline hub 8 is arranged in the joint sleeve 6, and the gear shifting plectrum 7 is connected with the joint sleeve 6 and used for shifting the joint sleeve 6 so as to enable the second spline hub 8-2 to be jointed with the first spline hub 8-1 or the third spline hub 8-3 to rotate synchronously.

Wherein, planetary gear 1's pivot position is equipped with sleeve adapter 9, through the sleeve of installing different specifications on sleeve adapter 9, can realize the dismouting of different model equidistance nuts. In this embodiment, the sleeve adapter 9 is preferably a square structure, and in other embodiments, the sleeve adapter may be an adapter in other shapes such as a triangle, a pentagon, and a hexagon, and is not limited to this embodiment.

A retainer ring 10 positioned outside the inner gear ring 2 is further mounted on the planet carrier 5, and a needle bearing 11 is arranged between the retainer ring 10 and the inner gear ring 2. By arranging the retainer ring 10 and the needle roller bearing 11, the inner gear ring 2 moves in a space limited by the retainer ring 10, so that the movement stability is improved, and the reliability of the whole product is good.

Preferably, the number of the planetary gears 1 is four, and the planetary gears are arranged in a cross structure. In other embodiments, the number of the planetary gears may be 2, 3, 5, or even more, and is not limited to the embodiment.

Preferably, the rotating shaft 3 is connected with a rotating shaft handle 12 so as to apply force to the second spline hub 9-2 to achieve dismounting and mounting of the nut, further preferably, the rotating shaft handle 12 is a variable-force-arm folding rotary handle and comprises a first telescopic arm, a variable force arm and a second telescopic arm which are sequentially spliced, the first telescopic arm and the second telescopic arm are both L-shaped, the variable force arm is U-shaped, two ends of the variable force arm respectively form a splicing structure with adjustable relative positions with the first telescopic arm and the second telescopic arm, the force arm of the rotating shaft handle 3 can be changed by changing the splicing positions of the variable force arm and the first telescopic arm and the second telescopic arm, and adjustment is convenient and rapid.

Preferably, the planet carrier 5 is a cross, and the planet gears 1 are connected with the end parts of the cross through bearing gaskets 13. Preferably, a support rod 14 for supporting the inner gear ring 2 extends on the bearing gasket 13; to further improve the running stability of the ring gear 2.

Preferably, a connecting piece 15 is fixed on the first spline hub 8-1, a plurality of connecting rods 16 extend from the connecting piece 15, and each connecting rod 16 is fixedly connected with the inner gear ring; simple structure conveniently shifts plectrum 7 and exposes between adjacent connecting rod 16, does benefit to the operation of shifting.

Further preferably, the shift paddle 7 is provided in two parts on both sides of the engaging sleeve 6 to force and adjust the position of the engaging sleeve 6.

The many nuts quick assembly disassembly device that this embodiment provided has two kinds of mode altogether: firstly, the shift plectrum 7 is operated to make the second spline hub 8-2 and the third spline hub 8-3 joint, utilizes sun gear 4 as power take off end to drive planetary gear 1 to drive the epaxial sleeve adapter 9 of planetary gear 1 and carry out the operation, and ring gear 2 belongs to idle running this moment, reaches "little transmission big" speed reduction increase square laborsaving purpose. Secondly, the gear shifting plectrum 7 is operated to enable the second spline hub 8-2 to be connected with the first spline hub 8-1, the inner gear ring 2 is used as a power output end to drive the planetary gear 1, so that the sleeve adapter 9 on the shaft of the planetary gear 1 is driven to operate, and at the moment, the sun gear 4 is idle, so that the purpose of accelerating and fast dismounting of large transmission and small transmission is achieved.

Compared with the prior art, the quick assembly disassembly device of many nuts that this embodiment provided has following characteristics: the power output direction is changed through the gear shifting sheet, so that the output torque is changed, the integral structure is reasonable, the reliability is high, and the interference between parts is avoided; meanwhile, the operation is convenient, the working efficiency of maintenance personnel is improved, and the labor intensity of the operation personnel is reduced.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims

1. The utility model provides a many nuts quick assembly disassembly device which characterized in that includes: the planetary gear, the inner gear ring, the rotating shaft, the sun gear, the planet carrier, the joint sleeve, the shifting plectrum and the spline hub are rotatably mounted on the planet carrier, the planetary gear is arranged between the inner gear ring and the sun gear and is meshed with the inner gear ring and the sun gear, the rotating shaft is connected with the spline hub, the spline hub comprises a first spline hub, a second spline hub and a third spline hub which are sequentially overlapped and can rotate mutually, the rotating shaft penetrates through the first spline hub and then is fixed with the second spline hub, the inner gear ring and the sun gear are respectively fixed with the first spline hub and the third spline hub, the joint sleeve is sleeved on the spline hub, inner teeth meshed with the spline hub are arranged in the joint sleeve, and the shifting plectrum is connected with the joint sleeve and is used for shifting the joint sleeve so as to enable the second spline hub to be meshed with the first spline hub, One of the third splined hubs is engaged for synchronous rotation.

2. The device for quickly disassembling and assembling multiple nuts according to claim 1, wherein a sleeve adapter is arranged at a rotating shaft position of the planetary gear, and nuts of different types are disassembled and assembled by installing sleeves of different specifications on the sleeve adapter.

3. A multi-nut quick disconnect device of claim 2 wherein said sleeve adapter is a triangular, square, pentagonal or hexagonal configuration.

4. A multi-nut quick dismounting device according to claim 1, characterized in that a retainer ring is mounted on said planet carrier outside said inner ring gear, and a needle bearing is provided between said retainer ring and said inner ring gear.

5. The device for quickly disassembling and assembling multiple nuts according to claim 1, wherein the number of the planetary gears is four, and the four planetary gears are arranged at equal intervals with the rotating shaft, and form a cross structure.

6. A multi-nut quick-release assembly/disassembly device according to claim 1 wherein a spindle handle is attached to said spindle.

7. The multi-nut quick dismounting device according to claim 6, wherein the rotating shaft handle is a variable-arm folding rotating handle, and comprises a first telescopic arm, a variable arm and a second telescopic arm which are sequentially spliced, the first telescopic arm and the second telescopic arm are both L-shaped, the variable arm is U-shaped, two ends of the variable arm respectively form a splicing structure with the first telescopic arm and the second telescopic arm, the relative position of the splicing structure can be adjusted, and the arm of force of the rotating shaft handle can be changed by changing the splicing positions of the variable arm and the first telescopic arm and the second telescopic arm.

8. The multi-nut quick assembly disassembly device of claim 1, wherein the planet carrier is a cross, and the planet gear is connected with the end of the cross through a bearing gasket; and a support rod for supporting the inner gear ring extends on the bearing gasket.

9. The multi-nut quick assembly disassembly device of claim 1, wherein a connecting piece is fixed on the first spline hub, a plurality of connecting rods arranged at intervals extend on the connecting piece, and each connecting rod is fixedly connected with the inner gear ring.

10. A multi-nut quick-release assembly/disassembly device according to claim 1 or 9 wherein said shift finger is two, disposed on either side of said engagement sleeve.