CN210510246U - Adjusting device with adjustable gear meshing clearance - Google Patents
Adjusting device with adjustable gear meshing clearance Download PDFInfo
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- CN210510246U CN210510246U CN201921292686.0U CN201921292686U CN210510246U CN 210510246 U CN210510246 U CN 210510246U CN 201921292686 U CN201921292686 U CN 201921292686U CN 210510246 U CN210510246 U CN 210510246U
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Abstract
The utility model relates to the technical field of gear transmission, in particular to an adjusting device with adjustable gear meshing clearance; the eccentric shaft sleeve comprises a support plate, a driving shaft, a driving gear, a driven gear, an eccentric shaft sleeve, an adjusting disc and an adjusting assembly, wherein the support plate is provided with a first through hole; the adjusting disc is provided with a sector part and a third through hole; the central axes of the first through hole, the third through hole and the shaft sleeve body are superposed; the second through hole is arranged in parallel with the central shaft of the shaft sleeve body at a distance, and the driving shaft is rotatably accommodated in the second through hole; the shaft sleeve body is fixedly connected with the adjusting disc, and the adjusting disc is detachably connected with the supporting plate; the adjusting component comprises a connecting part and a gear part, and the gear part is meshed with the sector gear part; the adjusting assembly is arranged to drive the adjusting disc to rotate, so that the driving shaft can synchronously rotate, the tooth profile clearance between the driving gear and the driven gear can be adjusted, and controllability and operation convenience of the tooth profile clearance can be adjusted.
Description
Technical Field
The utility model relates to a gear drive technical field especially relates to a gear backlash adjustable adjusting device.
Background
The transmission between gears in mechanical motion is one of the methods for realizing speed change, a driving shaft drives a driving gear to rotate, the driving gear is meshed with a driven gear, the purpose of power transmission and speed change is further realized through an output shaft, when the driving gear is meshed with the driven gear, gaps need to be formed between tooth profiles, and the gaps between the gears are required to be as small as possible, so that the possibility of collision during the alternate processes of starting and braking can be reduced, namely, the instantaneous speed change avoids collision, although the gaps between the tooth profiles are designed by microns, under the condition that the tooth profile gap parts are proper, a larger impact force is still generated during the instantaneous speed change process, the gear is damaged, particularly, in the environment with poor lubricating conditions, the damage to the gear is more serious, the traditional method for adjusting the tooth profile gaps is adjusted according to long-time production experience, the adjusting and controlling method is uncontrollable, and consumes more time, is not beneficial to the precise use and maintenance of the production equipment.
Disclosure of Invention
In order to overcome the shortcoming of clearance adjustment between the profile of tooth that exists among the prior art, the utility model aims to provide a gear engagement clearance adjustable adjusting device realizes the controllability and the validity of profile of tooth clearance adjustment.
In order to achieve the above purpose, the technical scheme of the utility model is that:
an adjusting device with adjustable gear meshing clearance comprises a supporting plate, an input assembly and an output assembly, wherein the input assembly comprises a driving shaft and a driving gear, the output assembly comprises a driven gear and an output shaft, the supporting plate is provided with a first through hole, and the driving gear is meshed with the driven gear; the eccentric shaft sleeve, the adjusting disc and the adjusting component are also included;
the eccentric shaft sleeve comprises a shaft sleeve body and a second through hole, and the second through hole is formed along the length direction of the shaft sleeve body;
the adjusting disc is provided with a sector part and a third through hole;
the central axis of the first through hole, the central axis of the third through hole and the central axis of the shaft sleeve body are superposed;
the central shaft of the second through hole is parallel to the central shaft of the shaft sleeve body and is arranged at intervals, and the driving shaft is rotatably accommodated in the second through hole;
the shaft sleeve body sequentially penetrates through the third through hole and the first through hole;
the shaft sleeve body is fixedly connected with the adjusting disc, and the adjusting disc is detachably connected with the supporting plate;
the adjusting assembly comprises a connecting portion and a gear portion, one end of the connecting portion is fixedly connected to the supporting plate, the gear portion is rotatably connected to the connecting portion, and the gear portion is meshed with the sector gear portion.
Furthermore, the adjusting plate is provided with a plurality of kidney-shaped holes, the kidney-shaped holes are distributed in an annular array around the central axis of the adjusting plate, and an external screw penetrates through one kidney-shaped hole and is in threaded connection with the supporting plate, so that the adjusting plate is fixed on the supporting plate.
Furthermore, the eccentric sleeve further comprises a flange plate, the central axis of the flange plate is superposed with the central axis of the sleeve body, the second through hole penetrates through the flange plate, and the adjusting plate is detachably connected with the flange plate.
Furthermore, one side of the adjusting plate, which is far away from the supporting plate, is provided with a positioning groove, and the flange plate is embedded in the positioning groove.
Furthermore, the input assembly further comprises a first bearing, an isolation ring and a second bearing which are sequentially sleeved on the driving shaft, and the first bearing, the isolation ring and the second bearing are arranged in the second through hole.
Furthermore, the adjusting assembly further comprises a driving portion fixedly connected to the gear portion, the driving portion protrudes out of the gear portion, and the cross-sectional shape of the driving portion is non-circular.
Furthermore, the supporting plate is provided with a plurality of connecting holes for adjusting the positions of the connecting parts, and the connecting parts are arranged in the connecting holes.
Furthermore, connecting portion include with the screw thread portion of backup pad spiro union and with screw thread portion fixed connection's connecting axle, the gear portion rotates the cover and locates the connecting axle outside.
Further, the adjusting assembly further comprises a shaft sleeve, the shaft sleeve is sleeved on the connecting shaft, and the gear portion is rotatably sleeved on the outer side of the shaft sleeve.
Furthermore, the shaft sleeve comprises an oil groove formed in the outer wall body of the shaft sleeve.
The utility model has the advantages that: through setting up eccentric sleeve, adjustment disk and adjustment assembly, adjustment assembly drive adjustment disk rotates, realizes the synchronous rotation of drive shaft, and then realizes the adjustment of profile clearance between drive gear and the driven gear, realizes the controllability in adjustment profile clearance and the convenience of operation.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the present invention showing a disassembled part of the structure;
FIG. 3 is a front view of the present invention;
fig. 4 is a left side view of the present invention;
FIG. 5 is a schematic view of the input assembly and the eccentric sleeve assembly structure of the present invention;
FIG. 6 is a schematic view of the input assembly and the eccentric sleeve of the present invention;
fig. 7 is a schematic perspective view of the adjusting assembly of the present invention;
fig. 8 is a schematic view of the adjustment assembly splitting structure according to the present invention.
The reference numerals include:
1-support plate 11-first through hole 12-connecting hole
2-input assembly 21-drive shaft 22-drive gear
23-first bearing 24-spacer 25-second bearing
3-output assembly 31-driven gear 32-output shaft
4-eccentric shaft sleeve 41-shaft sleeve body 42-second through hole
43-flange 5-adjusting disk 51-sector gear part
52-third through hole 53-kidney-shaped hole 54-positioning groove
6-adjustment assembly 61-connecting part 611-threaded part
612-connecting shaft 62-gear part 63-driving part
64-sleeve 641-oil groove.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 8, the adjusting device with adjustable gear backlash of the present invention includes a supporting plate 1, an input assembly 2 and an output assembly 3, wherein the input assembly 2 includes a driving shaft 21 and a driving gear 22, the output assembly 3 includes a driven gear 31 and an output shaft 32, the supporting plate 1 is provided with a first through hole 11, and the driving gear 22 is engaged with the driven gear 31; the method is characterized in that: the device also comprises an eccentric shaft sleeve 4, an adjusting disc 5 and an adjusting component 6;
the adjusting disc 5 is provided with a sector part 51 and a third through hole 52;
the central axis of the first through hole 11, the central axis of the third through hole 52 and the central axis of the shaft sleeve body 41 are superposed;
the central axis of the second through hole 42 is parallel to the central axis of the shaft sleeve body 41 and is arranged at intervals, and the driving shaft 21 is rotatably accommodated in the second through hole 42;
the shaft sleeve body 41 sequentially penetrates through the third through hole 52 and the first through hole 11;
the shaft sleeve body 41 is fixedly connected with the adjusting disc 5, and the adjusting disc 5 is detachably connected with the supporting plate 1;
the adjusting assembly 6 comprises a connecting portion 61 and a gear portion 62, one end of the connecting portion 61 is fixedly connected to the support plate 1, the gear portion 62 is rotatably connected to the connecting portion 61, and the gear portion 62 is meshed with the sector portion 51.
Specifically, in this embodiment, a first through hole 11 is processed on the support plate 1, a third through hole 52 is processed on the adjustment disc 5, the sleeve body 41 of the eccentric guide sleeve 4 sequentially passes through the third through hole 52 and the first through hole 11, the central axis of the outer wall body of the sleeve body 41, the central axis of the first through hole 11 and the central axis of the third through hole 52 coincide, the sleeve body 41 of the eccentric guide sleeve 4 is fixedly connected with the adjustment disc 5, the adjustment disc 5 is detachably connected with the support plate 1, wherein the central axis of the outer wall body of the sleeve body 41 deviates 3mm from the central axis of the second through hole 42, a sector part 51 is processed on the edge of the adjustment disc 5, the arc length of the sector part 51 is one sixth of the circumference length of the adjustment disc 5, the connection part 61 of the adjustment assembly 6 is fixedly connected with the support plate 1, the gear part 62 is rotatably connected with the connection part 61, the teeth of the gear part 62 are, the driving shaft 21 penetrates through the second through hole 42, the central axis of the driving shaft 21 coincides with the central axis of the second through hole 42, the driving shaft 21 rotates in the second through hole 42, the driving gear 22 is installed at one end of the driving shaft 21, the driving gear 22 is meshed with the driven gear 31, the driven gear 31 rotates through the driving output shaft 32 to achieve the purpose of speed change, the tooth profile clearance between the driving gear 22 and the driven gear 31 needs to reach a proper size to achieve the purpose of stable rotation, when the tooth profile clearance needs to be adjusted, the gear part 62 is driven to rotate through external force, the gear part 62 drives the adjusting disc 5 to rotate, the adjusting disc 5 synchronously drives the eccentric guide sleeve 4 to rotate, the rotation of the driving shaft 21 is further achieved, the adjustment of the tooth profile clearance between the driving gear 22 and the.
Through setting up eccentric bushing 4, adjusting disk 5 and adjusting part 6, adjusting part 6 drive adjusting disk 5 rotates, realizes the synchronous rotation of drive shaft 21, and then realizes the adjustment of profile clearance between drive gear 22 and the driven gear 31, realizes the controllability of adjustment profile clearance and the convenience of operation.
Adjusting disk 5 is equipped with a plurality of waist type hole 53, a plurality of waist type hole 53 is annular array around adjusting disk 5's the central axis and arranges, and an external screw passes one thereby waist type hole with backup pad 1 spiro union is fixed adjusting disk 5 is in on the backup pad 1, and the quantity of waist type hole 53 is seven, is annular around adjusting disk 5's the central axis and arranges, further is fit for adjusting disk 5 to rotate to suitable position after with backup pad 1's fixed connection.
The eccentric shaft sleeve 4 further comprises a flange 43, the central axis of the flange 43 is coincident with the central axis of the shaft sleeve body 41, the second through hole 42 penetrates through the flange 43, and the adjusting disc 5 is detachably connected with the flange 43.
One side that backup pad 1 was kept away from to adjustment disk 5 is equipped with constant head tank 54, ring flange 43 inlays in constant head tank 54, and constant head tank 54 is cyclic annular, and the central axis of constant head tank 54 coincides with the central axis of third through hole 52, and the setting of ring flange 43 has further makes eccentric sleeve 4 and adjustment disk 5 be connected firm effect, the security of improve equipment use.
The input assembly 2 further comprises a first bearing 23, an isolation ring 24 and a second bearing 25 which are sequentially sleeved on the driving shaft 21, the first bearing 23, the isolation ring 24 and the second bearing 25 are arranged in the second through hole 42, and the arrangement of the first bearing 23, the isolation ring 24 and the second bearing 25 improves the rotating stability of the driving shaft 21 and prolongs the service life of equipment.
The adjusting assembly 6 further includes a driving portion 63 fixedly connected to the gear portion 62, the driving portion 63 protrudes out of the gear portion 62, the cross-sectional shape of the driving portion 63 is non-circular, preferably, the driving portion 63 is in a hexagonal column shape, and the driving portion 63 can be rotated by using a wrench, so that the purpose of driving the gear portion 62 to rotate is achieved, and the adjusting assembly is simple in structure and easy to operate.
The support plate 1 is provided with a plurality of connecting holes 12 for adjusting the positions of the connecting parts 61, and the connecting parts 61 are arranged outside the connecting holes 12.
The connecting portion 61 includes a threaded portion 611 screwed with the support plate 1 and a connecting shaft 612 fixedly connected with the threaded portion 611, the gear portion 62 is rotatably sleeved outside the connecting shaft 612, and the connecting portion 61 uses a common hexagon socket head cap screw structure, so that the connecting portion is easy to purchase and low in processing cost.
The adjusting assembly 6 further includes a shaft sleeve 64, the shaft sleeve 64 is sleeved on the connecting shaft 612, and the gear portion 62 is rotatably sleeved on the outer side of the shaft sleeve 64.
The shaft sleeve 64 comprises an oil groove 641 formed in the outer wall body of the shaft sleeve 64, the shaft sleeve 64 is a copper shaft sleeve, the oil groove 641 is annular, the oil groove 641 is arranged around the central axis of the shaft sleeve 64, the shaft sleeve 64 is rotatably sleeved on the outer side of the connecting shaft 612, and the gear part 62 is rotatably connected to the shaft sleeve 64, so that the gear part 62 is flexible in rotation and easy to operate.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. An adjusting device with adjustable gear meshing clearance comprises a supporting plate (1), an input assembly (2) and an output assembly (3), wherein the input assembly (2) comprises a driving shaft (21) and a driving gear (22), the output assembly (3) comprises a driven gear (31) and an output shaft (32), the supporting plate (1) is provided with a first through hole (11), and the driving gear (22) is meshed with the driven gear (31); the method is characterized in that: the device also comprises an eccentric shaft sleeve (4), an adjusting disc (5) and an adjusting component (6);
the eccentric shaft sleeve (4) comprises a shaft sleeve body (41) and a second through hole (42), and the second through hole (42) is formed in the length direction of the shaft sleeve body (41);
the adjusting disc (5) is provided with a sector part (51) and a third through hole (52);
the central axis of the first through hole (11), the central axis of the third through hole (52) and the central axis of the shaft sleeve body (41) are overlapped;
the central axis of the second through hole (42) is parallel to the central axis of the shaft sleeve body (41) and is arranged at intervals, and the driving shaft (21) is rotatably accommodated in the second through hole (42);
the shaft sleeve body (41) sequentially penetrates through the third through hole (52) and the first through hole (11);
the shaft sleeve body (41) is fixedly connected with the adjusting disc (5), and the adjusting disc (5) is detachably connected with the supporting plate (1);
the adjusting assembly (6) comprises a connecting portion (61) and a gear portion (62), one end of the connecting portion (61) is fixedly connected to the supporting plate (1), the gear portion (62) is rotatably connected to the connecting portion (61), and the gear portion (62) is meshed with the sector gear portion (51).
2. The adjustable gear backlash adjustment device of claim 1, wherein: the adjusting plate (5) is provided with a plurality of waist-shaped holes (53), the waist-shaped holes (53) are arranged in an annular array around the central axis of the adjusting plate (5), and an external screw penetrates through one waist-shaped hole (53) and is in threaded connection with the supporting plate (1) so as to fix the adjusting plate (5) on the supporting plate (1).
3. The adjustable gear backlash adjustment device of claim 1, wherein: eccentric shaft sleeve (4) still include ring flange (43), the central axis of ring flange (43) with the central axis coincidence of axle sleeve body (41), second through-hole (42) run through ring flange (43), adjustment disc (5) with ring flange (43) can be dismantled and be connected.
4. The adjustable gear backlash adjustment device of claim 3, wherein: one side of the adjusting plate (5) far away from the supporting plate (1) is provided with a positioning groove (54), and the flange plate (43) is embedded in the positioning groove (54).
5. The adjustable gear backlash adjustment device of claim 1, wherein: the input assembly (2) further comprises a first bearing (23), an isolating ring (24) and a second bearing (25) which are sequentially sleeved on the driving shaft (21), and the first bearing (23), the isolating ring (24) and the second bearing (25) are arranged in the second through hole (42).
6. The adjustable gear backlash adjustment device of claim 1, wherein: the adjusting assembly (6) further comprises a driving portion (63) fixedly connected to the gear portion (62), the driving portion (63) protrudes out of the gear portion (62), and the cross section of the driving portion (63) is non-circular.
7. The adjustable gear backlash adjustment device of claim 1, wherein: the supporting plate (1) is provided with a plurality of connecting holes (12) for adjusting the positions of the connecting parts (61), and the connecting parts (61) are arranged in the connecting holes (12).
8. The adjustable gear backlash adjustment device of claim 1, wherein: the connecting part (61) comprises a threaded part (611) in threaded connection with the support plate (1) and a connecting shaft (612) fixedly connected with the threaded part (611), and the gear part (62) is rotatably sleeved on the outer side of the connecting shaft (612).
9. The adjustable gear backlash adjustment device of claim 8, wherein: the adjusting assembly (6) further comprises a shaft sleeve (64), the shaft sleeve (64) is sleeved on the connecting shaft (612), and the gear portion (62) is rotatably sleeved on the outer side of the shaft sleeve (64).
10. The adjustable gear backlash adjustment device of claim 9, wherein: the shaft sleeve (64) comprises an oil groove (641) arranged on the outer wall body of the shaft sleeve (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292686.0U CN210510246U (en) | 2019-08-09 | 2019-08-09 | Adjusting device with adjustable gear meshing clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292686.0U CN210510246U (en) | 2019-08-09 | 2019-08-09 | Adjusting device with adjustable gear meshing clearance |
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| Publication Number | Publication Date |
|---|---|
| CN210510246U true CN210510246U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921292686.0U Active CN210510246U (en) | 2019-08-09 | 2019-08-09 | Adjusting device with adjustable gear meshing clearance |
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| CN (1) | CN210510246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454567A (en) * | 2019-08-09 | 2019-11-15 | 东莞市骏兴机械科技有限公司 | A kind of adjustable adjustment device of gear backlash |
-
2019
- 2019-08-09 CN CN201921292686.0U patent/CN210510246U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454567A (en) * | 2019-08-09 | 2019-11-15 | 东莞市骏兴机械科技有限公司 | A kind of adjustable adjustment device of gear backlash |
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