CN214946122U - Bidirectional adjustable one-way gear box of grinding disc - Google Patents
Bidirectional adjustable one-way gear box of grinding disc Download PDFInfo
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- CN214946122U CN214946122U CN202120655892.4U CN202120655892U CN214946122U CN 214946122 U CN214946122 U CN 214946122U CN 202120655892 U CN202120655892 U CN 202120655892U CN 214946122 U CN214946122 U CN 214946122U
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 8
- 230000007704 transition Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000005086 pumping Methods 0.000 claims description 24
- 239000004593 Epoxy Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a bidirectional adjustable one-way gear box of a grinding disc, which comprises a box body and a box cover, wherein the middle of the box cover is rotationally connected with a transmission shaft connected with an input shaft, and the upper part of the transmission shaft is rotationally connected in a first fixed gear and a second fixed gear on the upper side of the box cover; an input gear is mounted at the lower part of the transmission shaft, a plurality of transition shafts positioned around the input gear are rotatably connected in the box body, the transition shafts are connected with transition gears meshed with the input gear through first one-way bearings, an output shaft is rotatably connected at the side of the transition shafts in the box body, and output gears meshed with the transition gears are mounted on the output shaft; the upper end of the transition shaft is provided with a reverse transition gear meshed with the first fixed gear, the upper end of the output shaft is connected with a reverse output gear meshed with the first fixed gear through a second one-way bearing, and the first one-way bearing and the second one-way bearing are in the same rotating direction. The grinding disc can rotate forwards and reversely, and the gear box can be guaranteed to always keep unidirectional revolution.
Description
Technical Field
The utility model relates to a grind the machine field, especially a two-way adjustable one-way gear box of abrasive disc.
Background
The terrace grinder is mainly used for grinding the ground, and can effectively grind terrazzo, a concrete surface layer, an epoxy mortar layer, an old epoxy ground and the like. The device has the characteristics of portability, flexibility, high working efficiency and the like. The existing grinding machine gear box realizes the forward and reverse rotation of a grinding disc through the forward and reverse rotation of a motor, but the gear box can also be switched between the forward and reverse rotation, and the gear box has the advantages of large volume, heavy weight, large inertia, overload work of the motor caused by the frequent forward and reverse rotation of the gear box and shortened service life of the motor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a two-way adjustable one-way gear box of abrasive disc can realize abrasive disc normal and reverse rotation promptly, can guarantee again that the gear box remains one-way revolution throughout.
The utility model discloses a following scheme realizes: a bidirectional adjustable one-way gear box of a grinding disc comprises a box body and a box cover, wherein a transmission shaft connected with an input shaft is rotatably connected in the middle of the box cover, and the upper part of the transmission shaft is rotatably connected in a first fixed gear and a second fixed gear on the upper side of the box cover; an input gear is mounted at the lower part of the transmission shaft, a plurality of transition shafts positioned around the input gear are rotatably connected in the box body, the transition shafts are connected with transition gears meshed with the input gear through first one-way bearings, an output shaft is rotatably connected at the side of the transition shafts in the box body, and output gears meshed with the transition gears are mounted on the output shaft; the upper end of the transition shaft is provided with a reverse transition gear meshed with the first fixed gear, the upper end of the output shaft is connected with a reverse output gear meshed with the first fixed gear through a second one-way bearing, and the first one-way bearing and the second one-way bearing are in the same rotating direction.
Furthermore, the second fixed gear is fixedly connected to the lower end of a flange plate, the diameter of the second fixed gear is smaller than that of the first fixed gear, and the first fixed gear is positioned on the upper side of the second fixed gear and fixedly connected to the outer side of the flange plate; and the second fixed gear is in rotary fit with the box cover through a plane thrust needle bearing.
Furthermore, a plurality of oil pumping devices are further arranged in the box body, each oil pumping device comprises a shaft sleeve and an oil pumping rod positioned in the shaft sleeve, the upper end of each oil pumping rod penetrates through the box cover and is provided with an oil pumping gear meshed with the second fixed gear, and the side wall of each oil pumping rod is provided with a spiral oil guide groove.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses the one-way gear box of two-way adjustable of abrasive disc novel structure, reasonable in design, convenient to use can realize abrasive disc just, reverse rotation promptly, can guarantee again that the gear box remains one-way revolution throughout, guarantees the comparatively steady work of motor, prolongs its life.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a perspective view of the embodiment of the present invention without the case cover;
FIG. 5 is a perspective view of the embodiment of the present invention without the case cover and the first fixed gear;
the reference numbers in the figures illustrate: 100-box body, 200-box cover, 210-oil pumping device, 211-shaft sleeve, 212-oil pumping rod, 213-oil pumping gear, 300-transmission shaft, 310-input gear, 400-flange plate, 410-first fixed gear, 420-second fixed gear, 500-transition shaft, 510-transition gear, 520-reverse transition gear, 530-first one-way bearing, 600-output shaft, 610-output gear, 620-reverse output gear and 630-second one-way bearing.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 5, a one-way gear box with a bidirectionally adjustable grinding disc comprises a box body 100 and a box cover 200, wherein a transmission shaft 300 connected with an input shaft is rotatably connected in the middle of the box cover 100, and the upper part of the transmission shaft 300 is rotatably connected in a first fixed gear 410 and a second fixed gear 420 on the upper side of the box cover; the lower part of the transmission shaft 300 is provided with an input gear 310, and the input gear 310 is connected with the transmission shaft 300 through a key; a plurality of transition shafts 500 positioned around the input gear are rotatably connected in the box body, a transition gear 510 meshed with the input gear 310 is connected to the transition shaft 500 through a first one-way bearing 530, an output shaft 600 is rotatably connected to the side of the transition shaft in the box body 100, an output gear 610 meshed with the transition gear 510 is mounted on the output shaft 600, and the output gear 610 and the output shaft 600 are connected through keys; the upper end of the transition shaft 110 is provided with a reverse transition gear 520 engaged with the first fixed gear 410, the upper end of the output shaft 600 is connected with a reverse output gear 620 engaged with the first fixed gear 410 through a second one-way bearing 630, and the first one-way bearing and the second one-way bearing have the same rotation direction.
An input shaft coaxially connected with a motor is inserted into the transmission shaft, the motor drives the transmission shaft to rotate, an input gear on the transmission shaft drives a transition gear to rotate, the transition gear drives an output gear on an output shaft to rotate so as to drive the output shaft to rotate, and the lower end of the output shaft penetrates out of the bottom of the box body and is used for mounting a grinding disc; the output shaft drives the second one-way bearing to rotate through key connection, the second one-way bearing enables the reverse output gear to rotate through key connection, and the reverse output gear rotates around the first fixed gear to further drive the gear box to revolve.
The gear box has two rotation modes, one is that the output shaft drives a reverse output gear through a second one-way bearing (at the moment, the transition gear does not drive the transition shaft to rotate), and then the reverse output gear rotates around a first fixed gear; secondly, the transition shaft drives the transition shaft to rotate through the first one-way bearing so as to drive the reverse transition gear to rotate (at the moment, the output shaft cannot drive the reverse output gear to rotate), and the reverse transition gear rotates around the second fixed gear; therefore, the gear box can keep always rotating in one direction no matter the motor drives the output shaft to rotate forwards or reversely. The bidirectional adjustable one-way gear box of the grinding disc can realize bidirectional adjustment of the grinding disc through forward and backward rotation of the motor, and can ensure that the gear box always keeps unidirectional revolution, so that the motor can work stably and the service life of the motor is prolonged.
In this embodiment, the second fixed gear 420 is fixedly connected to a lower end of a flange 400, the flange is connected to a frame of the grinding machine, a diameter of the second fixed gear 420 is smaller than that of the first fixed gear 410, and the first fixed gear 410 is located on an upper side of the second fixed gear 420 and is fixedly connected to an outer side of the flange 400; the second fixed gear 420 is in rotary fit with the box cover through a plane thrust needle bearing; the first fixed gear 410 and the second fixed gear 420 are fixed on the flange plate and are kept still, and the reverse output gear or the reverse transition gear can drive the whole gear box to revolve when rotating.
In this embodiment, the box body is rotatably connected with three transition shafts 500 uniformly distributed along the circumferential direction, and the box body 100 is also rotatably connected with three output shafts 600 uniformly distributed along the circumferential direction.
In this embodiment, a plurality of oil pumping devices 210 are further disposed in the casing 100, each oil pumping device 210 includes a shaft sleeve 211 and an oil pumping rod 212 disposed in the shaft sleeve, an upper end of the oil pumping rod 212 penetrates through the casing cover and is provided with an oil pumping gear 213 engaged with the second fixed gear, and a spiral oil guiding groove is disposed on a side wall of the oil pumping rod; when the gear box rotates, the oil pumping gear moves around the second fixed gear to further rotate the oil pumping gear, and the oil pumping gear drives the oil pumping rod to rotate so as to lift oil through the spiral oil guide groove.
In this embodiment, the transmission shaft passes through the bearing and is connected with box, case lid and flange rotation respectively, and the transmission shaft upper end is compressed tightly fixedly through round nut and lock washer, prevents to become flexible.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides a two-way adjustable one-way gear box of abrasive disc which characterized in that: the box cover is rotatably connected with a transmission shaft connected with an input shaft in the middle, and the upper part of the transmission shaft is rotatably connected into a first fixed gear and a second fixed gear on the upper side of the box cover; an input gear is mounted at the lower part of the transmission shaft, a plurality of transition shafts positioned around the input gear are rotatably connected in the box body, the transition shafts are connected with transition gears meshed with the input gear through first one-way bearings, an output shaft is rotatably connected at the side of the transition shafts in the box body, and output gears meshed with the transition gears are mounted on the output shaft; the upper end of the transition shaft is provided with a reverse transition gear meshed with the first fixed gear, the upper end of the output shaft is connected with a reverse output gear meshed with the first fixed gear through a second one-way bearing, and the first one-way bearing and the second one-way bearing are in the same rotating direction.
2. The grinding disk bidirectional adjustable one-way gearbox of claim 1, characterized in that: the second fixed gear is fixedly connected to the lower end of a flange plate, the diameter of the second fixed gear is smaller than that of the first fixed gear, and the first fixed gear is positioned on the upper side of the second fixed gear and fixedly connected to the outer side of the flange plate; and the second fixed gear is in rotary fit with the box cover through a plane thrust needle bearing.
3. The grinding disk bidirectional adjustable one-way gearbox of claim 1, characterized in that: the oil pumping device comprises a shaft sleeve and an oil pumping rod positioned in the shaft sleeve, the upper end of the oil pumping rod penetrates through the box cover and is provided with an oil pumping gear meshed with the second fixed gear, and the side wall of the oil pumping rod is provided with a spiral oil guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655892.4U CN214946122U (en) | 2021-03-31 | 2021-03-31 | Bidirectional adjustable one-way gear box of grinding disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655892.4U CN214946122U (en) | 2021-03-31 | 2021-03-31 | Bidirectional adjustable one-way gear box of grinding disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214946122U true CN214946122U (en) | 2021-11-30 |
Family
ID=79046815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120655892.4U Active CN214946122U (en) | 2021-03-31 | 2021-03-31 | Bidirectional adjustable one-way gear box of grinding disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214946122U (en) |
-
2021
- 2021-03-31 CN CN202120655892.4U patent/CN214946122U/en active Active
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| CP03 | Change of name, title or address |
Address after: No.34, Anping Juxian Road, Anhai Town, Jinjiang City, Quanzhou City, Fujian Province, 362261 Patentee after: Fujian Xingyi Intelligent Equipment Co.,Ltd. Country or region after: China Address before: No.34, Anping Juxian Road, Anhai Town, Jinjiang City, Quanzhou City, Fujian Province, 362261 Patentee before: FUJIAN XINGYI MACHINERY Co.,Ltd. Country or region before: China |