CN216789127U - Bevel gear speed reducer capable of adjusting gear clearance - Google Patents
Bevel gear speed reducer capable of adjusting gear clearance Download PDFInfo
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- CN216789127U CN216789127U CN202122648889.2U CN202122648889U CN216789127U CN 216789127 U CN216789127 U CN 216789127U CN 202122648889 U CN202122648889 U CN 202122648889U CN 216789127 U CN216789127 U CN 216789127U
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Abstract
The utility model discloses a bevel gear speed reducer capable of adjusting gear clearance, which relates to the technical field of speed reducers and comprises the following components: a reducer housing; a first gear provided inside the reducer case; the second gear is arranged on one side of the bottom end of the first gear; and the adjusting mechanism is arranged on the outer walls of the first gear and the second gear, penetrates through the outer part of the shell of the speed reducer and is used for adjusting the gap between the first gear and the second gear. According to the utility model, through the arrangement of the adjusting mechanism, when the connecting rod moves upwards under the action of external force, the connecting rod moves to drive the first gear to move upwards, the first gear moves to drive the first tooth block positioned on the outer wall of the connecting rod to move upwards, and at the moment, the first tooth block gradually approaches to the outer wall of the second tooth block, so that the gap between the first tooth block and the second tooth block caused by abrasion is reduced, the purpose of adjusting the gap between the first tooth block and the second tooth block is achieved, and the service life of the device is prolonged.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a bevel gear speed reducer capable of adjusting gear gaps.
Background
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.
The speed reducer is generally used for low-rotating-speed and high-torque transmission equipment, and the purpose of reducing speed is achieved by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer, but long-time use can cause abrasion between gears inside the speed reducer, so that gaps are generated between the gears, the speed reducer can make a sound, the service life is reduced and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bevel gear reducer capable of adjusting gear clearance, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a bevel gear reducer with adjustable gear lash, comprising:
a reducer housing;
a first gear provided inside the reducer case;
the second gear is arranged on one side of the bottom end of the first gear;
the adjusting mechanism is arranged on the outer walls of the first gear and the second gear, penetrates through the outer part of the speed reducer shell and is used for adjusting the gap between the first gear and the second gear;
and the limiting mechanism is arranged on the outer wall of the speed reducer shell and used for controlling the height of the first gear.
As a still further scheme of the utility model: the adjusting mechanism comprises a connecting rod, a first tooth block and a second tooth block, the connecting rod is located at the top end of the first gear and penetrates through the outer portion of the shell of the speed reducer, the first tooth block is located on the outer wall of the first gear, and the second tooth block is located on the outer wall of the second gear.
As a still further scheme of the utility model: stop gear is including being located the link rod top inboard ring gear, the inner wall meshing of ring gear has the third gear, the outer wall meshing of third gear has the fourth gear, the top fixedly connected with connecting rod of fourth gear, the one end fixedly connected with runner of connecting rod, the bottom of runner is provided with the locating lever with speed reducer shell outer wall fixed connection.
As a still further scheme of the utility model: the cross sections of the first tooth block and the second tooth block are in a trapezoidal structure, and the wider part of the first tooth block is in contact with the narrower part of the second tooth block.
As a still further scheme of the utility model: the outer wall of the connecting rod is provided with threads matched with the inner wall of the speed reducer shell, and the position where the connecting rod is contacted with the first gear is rotatably connected through a bearing.
As a still further scheme of the utility model: the inner wall of the rotating wheel is provided with a sliding groove matched with the moving track of the positioning rod, and the top end of the third gear is rotatably connected with the connecting rod through a bearing.
As a still further scheme of the utility model: the diameters of the outer walls of the fourth gear, the third gear and the gear ring are gradually increased from small to large.
Compared with the prior art, the utility model has the beneficial effects that:
1. by arranging the limiting mechanism, when a gap between the first gear and the second gear needs to be adjusted, the rotating wheel is rotated to rotate along the outer wall of the positioning rod, the connecting rod and the fourth gear are driven to rotate by the rotation of the rotating wheel, the third gear is driven to rotate by the rotation of the fourth gear, the third gear is driven to push force by the rotation of the fourth gear, the toothed ring on the outer wall of the third gear rotates under the pushing force, and the connecting rod is driven to move upwards by the toothed ring, so that the purpose of moving and finely adjusting the connecting rod is achieved;
2. through setting up adjustment mechanism, when the connecting rod upwards removed under the exogenic action, the connecting rod removed and will drive first gear rebound, first gear removal will drive the first tooth piece rebound that is located its outer wall, first tooth piece will be close to the outer wall of second tooth piece gradually this moment to reduce the clearance that first tooth piece and second tooth piece produced because of wearing and tearing, reached the purpose of adjusting first tooth piece, second tooth piece clearance, improved the life of this device.
Drawings
FIG. 1 is a schematic structural diagram of a bevel gear reducer with adjustable gear clearances;
FIG. 2 is a schematic structural diagram of an adjusting mechanism of a bevel gear reducer with adjustable gear clearance;
fig. 3 is a partially enlarged view of a bevel gear reducer with adjustable gear backlash at a.
In the figure: 1. a reducer housing; 2. a first gear; 3. a second gear; 4. an adjustment mechanism; 401. a connecting rod; 402. a first tooth block; 403. a second tooth block; 5. a limiting mechanism; 501. a toothed ring; 502. a third gear; 503. a fourth gear; 504. a connecting rod; 505. a rotating wheel; 506. and (5) positioning the rod.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a bevel gear reducer capable of adjusting a gear clearance includes:
a reducer housing 1;
a first gear 2 disposed inside the reducer case 1;
a second gear 3 provided on one side of the bottom end of the first gear 2;
the adjusting mechanism 4 is arranged on the outer walls of the first gear 2 and the second gear 3, penetrates through the outer part of the speed reducer shell 1, and is used for adjusting the gap between the first gear 2 and the second gear 3;
and the limiting mechanism 5 is arranged on the outer wall of the speed reducer shell 1 and used for controlling the height of the first gear 2.
The bevel gear reducer with the adjustable gear clearance can adjust the clearance between the first gear 2 and the second gear 3 through the limiting mechanism 5.
In fig. 2: the adjusting mechanism 4 comprises a connecting rod 401, a first tooth block 402 and a second tooth block 403, the connecting rod 401 is located at the top end of the first gear 2 and penetrates to the outside of the speed reducer casing 1, the first tooth block 402 is located on the outer wall of the first gear 2, and the second tooth block 403 is located on the outer wall of the second gear 3.
The bevel gear reducer with the adjustable gear clearance can be used for conveniently adjusting the clearance between the first gear 2 and the second gear 3.
In fig. 2-3: the limiting mechanism 5 comprises a gear ring 501 located on the inner side of the top end of the connecting rod 401, a third gear 502 is meshed on the inner wall of the gear ring 501, a fourth gear 503 is meshed on the outer wall of the third gear 502, a connecting rod 504 is fixedly connected to the top end of the fourth gear 503, a rotating wheel 505 is fixedly connected to one end of the connecting rod 504, and a positioning rod 506 fixedly connected with the outer wall of the speed reducer casing 1 is arranged at the bottom end of the rotating wheel 505.
The gap between the first tooth block 402 and the second tooth block 403 can be adjusted by controlling the height of the first gear 2 through the structure of the bevel gear reducer with the adjustable gear gap.
In FIGS. 1-2: the cross sections of the first tooth block 402 and the second tooth block 403 are in a trapezoid structure, the wider part of the first tooth block 402 is in contact with the narrower part of the second tooth block 403, the outer wall of the connecting rod 401 is provided with threads matched with the inner wall of the speed reducer shell 1, and the position where the connecting rod 401 is in contact with the first gear 2 is in rotary connection through a bearing.
The bevel gear reducer with the adjustable gear clearance can enable the connecting rod 401 to move along the inner wall threads of the reducer casing 1 through the structure.
In fig. 3: the inner wall of the rotating wheel 505 is provided with a sliding groove matched with the moving track of the positioning rod 506, the top end of the third gear 502 is rotatably connected with the connecting rod 504 through a bearing, and the diameters of the outer walls of the fourth gear 503, the third gear 502 and the gear ring 501 gradually increase from small to large.
According to the bevel gear reducer with the adjustable gear clearance, the first gear 2 can move to drive the first tooth block 402 to be close to the second tooth block 403 through the structure.
The working principle of the utility model is as follows: when the gap between the first gear 2 and the second gear 3 needs to be adjusted, by rotating the rotating wheel 505, the rotating wheel 505 rotates along the outer wall of the positioning rod 506, the rotating wheel 505 rotates to drive the connecting rod 504 and the fourth gear 503 to rotate, the fourth gear 503 rotates to provide a thrust for the third gear 502, the toothed ring 501 on the outer wall of the third gear 502 rotates under the thrust, the toothed ring 501 drives the connecting rod 401 to move upwards, so as to achieve the purpose of fine adjustment of the movement of the connecting rod 401, when the connecting rod 401 moves upwards under the action of an external force, the connecting rod 401 moves to drive the first gear 2 to move upwards, the first gear 2 moves to drive the first toothed block 402 on the outer wall to move upwards, and at the moment, the first toothed block 402 gradually approaches the outer wall of the second toothed block 403, so as to reduce the gap between the first toothed block 402 and the second toothed block 403 due to abrasion, thereby achieving the purpose of fine adjustment of the first toothed block 402, The purpose of adjusting the gap of the second tooth block 403 is to prolong the service life of the device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an adjustable gear clearance's bevel gear speed reducer which characterized in that includes:
a reducer housing (1);
a first gear (2) arranged inside the speed reducer housing (1);
the second gear (3) is arranged on one side of the bottom end of the first gear (2);
the adjusting mechanism (4) is arranged on the outer walls of the first gear (2) and the second gear (3), penetrates through the outer part of the speed reducer shell (1), and is used for adjusting the gap between the first gear (2) and the second gear (3);
and the limiting mechanism (5) is arranged on the outer wall of the speed reducer shell (1) and is used for controlling the height of the first gear (2).
2. The bevel gear reducer with adjustable gear clearance according to claim 1, wherein the adjusting mechanism (4) comprises a connecting rod (401), a first tooth block (402) and a second tooth block (403), the connecting rod (401) is located at the top end of the first gear (2) and penetrates to the outside of the reducer casing (1), the first tooth block (402) is located on the outer wall of the first gear (2), and the second tooth block (403) is located on the outer wall of the second gear (3).
3. The bevel gear reducer with the adjustable gear clearance according to claim 2, wherein the limiting mechanism (5) comprises a gear ring (501) located on the inner side of the top end of the connecting rod (401), a third gear (502) is meshed with the inner wall of the gear ring (501), a fourth gear (503) is meshed with the outer wall of the third gear (502), a connecting rod (504) is fixedly connected to the top end of the fourth gear (503), a rotating wheel (505) is fixedly connected to one end of the connecting rod (504), and a positioning rod (506) fixedly connected with the outer wall of the reducer housing (1) is arranged at the bottom end of the rotating wheel (505).
4. The bevel gear reducer with adjustable gear clearance according to claim 2, characterized in that the cross sections of the first tooth block (402) and the second tooth block (403) are trapezoidal, and the wider part of the first tooth block (402) is in contact with the narrower part of the second tooth block (403).
5. The bevel gear reducer with adjustable gear clearance according to claim 2, characterized in that the outer wall of the connecting rod (401) is provided with a thread matching the inner wall of the reducer housing (1), and the connecting rod (401) is rotatably connected with the first gear (2) through a bearing at the position where it contacts.
6. The bevel gear reducer with adjustable gear clearance according to claim 3, characterized in that the inner wall of the rotating wheel (505) is provided with a sliding groove matched with the moving track of the positioning rod (506), and the top end of the third gear (502) is rotationally connected with the connecting rod (504) through a bearing.
7. The bevel gear reducer with adjustable gear clearance according to claim 3, wherein the diameters of the outer walls of the fourth gear (503), the third gear (502) and the gear ring (501) are gradually increased from small to large.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122648889.2U CN216789127U (en) | 2021-11-01 | 2021-11-01 | Bevel gear speed reducer capable of adjusting gear clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122648889.2U CN216789127U (en) | 2021-11-01 | 2021-11-01 | Bevel gear speed reducer capable of adjusting gear clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216789127U true CN216789127U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122648889.2U Active CN216789127U (en) | 2021-11-01 | 2021-11-01 | Bevel gear speed reducer capable of adjusting gear clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216789127U (en) |
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2021
- 2021-11-01 CN CN202122648889.2U patent/CN216789127U/en active Active
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