CN216715204U - Gear meshing clearance adjusting mechanism of box body internal gear - Google Patents
Gear meshing clearance adjusting mechanism of box body internal gear Download PDFInfo
- Publication number
- CN216715204U CN216715204U CN202123394511.0U CN202123394511U CN216715204U CN 216715204 U CN216715204 U CN 216715204U CN 202123394511 U CN202123394511 U CN 202123394511U CN 216715204 U CN216715204 U CN 216715204U
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- jacking spring
- gear
- rotating shaft
- jacking
- box body
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Abstract
The utility model discloses a gear meshing clearance adjusting mechanism in a box body, which comprises a mounting plate, a rotating shaft, a jacking spring pull rod and a jacking bolt, wherein a plurality of mounting holes are formed in the mounting plate, the rotating shaft is mounted in the mounting holes, a locking bolt is mounted on the rotating shaft, the jacking spring pull rod is mounted on one side of the lower end of the mounting plate, a jacking spring seat is mounted on the jacking spring pull rod, a jacking spring is mounted on the jacking spring seat, and the jacking spring is sleeved on the jacking spring pull rod; and a puller bolt is arranged on the other side of the lower end of the mounting plate and is mounted on the puller seat. The rotating shaft is used as an adjusting joint and is arranged on an extension line of the driving force of the pinion, so that the stressed rotating torque is small, and the requirement on the locking force is low; a puller bolt is arranged at a position far from the radius of the rotating shaft, so that the meshing clearance can be adjusted; the jacking spring is used for applying meshing force, and the locking reliability is guaranteed. At the moment, the jacking bolt can be used as limit, and gear tooth disengagement under the condition that the jacking spring fails is prevented.
Description
Technical Field
The utility model relates to an adjusting mechanism, in particular to an adjusting mechanism for a gear meshing clearance in a box body.
Background
Whether the adjustment of the gear meshing clearance is reasonable in the mechanical transmission determines the stability and the precision of the mechanical transmission and the service life of the gear. In particular, in a displacement mechanism that engages with a robot, a gear meshes with the outer teeth of the slewing bearing, and the rotational accuracy is determined by a reasonable clearance.
The traditional gear clearance adjusting mode 1: and the three-side bolt is adopted for jacking, so that the adjustment is inconvenient and the looseness is easy. Large torque is not suitable for use, and large impact is not suitable for use.
Traditional gear backlash adjustment method 2: the method adopts a linear guide rail floating bolt jacking mode. The cost is high, and the precision needs to be indirectly ensured through the precision of the linear guide rail.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects that the gear clearance in the prior art is inconvenient to adjust and easy to loosen, and provides a mechanism for adjusting the gear meshing clearance in a box body.
The utility model provides the following technical scheme:
the box body internal gear meshing clearance adjusting mechanism comprises an installation plate, a rotating shaft, a jacking spring pull rod and a jacking bolt, wherein a plurality of installation holes are formed in the installation plate, the rotating shaft is installed in the installation holes, a locking bolt is installed on the rotating shaft, the jacking spring pull rod is installed on one side of the lower end of the installation plate, a jacking spring seat is installed on the jacking spring pull rod, a jacking spring is installed on the jacking spring seat, and the jacking spring is sleeved on the jacking spring pull rod; the lower extreme opposite side of mounting panel is provided with the puller bolt, the puller bolt is installed on the puller seat.
Furthermore, a large gear and a small gear connected with the external shaft of the robot are arranged in the box body, the large gear is meshed with the small gear, the adjusting mechanism for the meshing clearance of the internal gear of the box body is arranged at the small gear in the box body, and a reduction box is arranged between the external shaft of the robot and the small gear.
Further, the rotary shaft is disposed on an extension of the driving force of the pinion gear.
Compared with the prior art, the utility model has the beneficial effects that: the utility model mainly comprises a rotating shaft, a jacking spring pull rod and a jacking bolt, wherein the rotating shaft is used as an adjusting joint and is arranged on an extension line of a driving force of a pinion, so that the stressed rotating torque is small, and the requirement on locking force is low; a puller bolt is arranged at a position far from the radius of the rotating shaft, so that the meshing clearance can be adjusted; the jacking spring is used for applying meshing force, and the locking reliability is guaranteed. At the moment, the puller bolt can be used as a limit to prevent the gear from disengaging under the condition that the puller spring fails.
Drawings
Fig. 1 is a schematic view of the installation of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural diagram of the present invention.
Fig. 5 is a top view of fig. 4.
In the figure: 100. a box body; 200. a pinion gear; 300. a bull gear; 400. a robot outer shaft; 500. a gear case;
1. a rotating shaft; 2. the spring is tightly propped; 3. the spring seat is tightly propped; 4. the spring pull rod is tightly pushed; 5. jacking the bolt; 6. a jacking seat; 7. mounting a plate; 8. locking the bolt; 9. and a support sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the adjusting mechanism for the meshing clearance of gears in a box body of the present invention includes a mounting plate 7, a rotating shaft 1, a tightening spring pull rod 4 and a tightening bolt 5.
The mounting plate 7 is provided with a plurality of mounting holes, a rotating shaft 1 is mounted in the mounting holes, a locking bolt 8 is mounted on the rotating shaft 1, a jacking spring pull rod 4 is mounted on one side of the lower end of the mounting plate 7, a jacking spring seat 3 is mounted on the jacking spring pull rod 4, a jacking spring 2 is mounted on the jacking spring seat 3, and the jacking spring 2 is sleeved on the jacking spring pull rod 4;
the other side of the lower end of the mounting plate 7 is provided with a puller bolt 5, and the puller bolt 5 is mounted on a puller seat 6.
The box body 100 is provided with a large gear 300 and a small gear 200 connected with an external shaft 400 of the robot, the large gear 300 is meshed with the small gear 200, a gear meshing clearance adjusting mechanism (indicated as A) in the box body is arranged at the small gear 200 in the box body 100, and a reduction box 500 is arranged between the external shaft 400 of the robot and the small gear 200.
The rotating shaft 1 is used as an adjusting joint, the matching of the rotating shaft and the mounting hole determines the precision, the processing is convenient, and the cost is low. The rotating shaft 1 is arranged on the extension line of the driving force of the pinion 200, the stressed rotating moment is small, and the requirement on the locking force is low. And a puller bolt 5 is arranged at a position far from the rotary shaft 1 in the radius direction, so that the meshing clearance can be adjusted.
The length of the rotating shaft 1 can be increased and the locking bolt is eliminated. In this state, the jacking spring 2 is arranged at the position far from the radius of the rotating shaft, and the jacking spring 2 is used for applying engaging force to ensure reliable locking. At the moment, the jacking bolt 5 can be used as limit, and gear tooth disengagement under the condition that the jacking spring 2 fails is prevented.
For some difficult processing occasions, such as the inside of the box body, four groups of equal-height supporting shaft sleeves 9 can be arranged outside the box body to install the mechanism.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The gear meshing clearance adjusting mechanism in the box body is characterized in that: the mounting plate (7) is provided with a plurality of mounting holes, the rotating shaft (1) is mounted in the mounting holes, the locking bolt (8) is mounted on the rotating shaft (1), the tightening spring pull rod (4) is mounted on one side of the lower end of the mounting plate (7), a tightening spring seat (3) is mounted on the tightening spring pull rod (4), a tightening spring (2) is mounted on the tightening spring seat (3), and the tightening spring (2) is sleeved on the tightening spring pull rod (4); the lower extreme opposite side of mounting panel (7) is provided with puller bolt (5), puller bolt (5) are installed on puller seat (6).
2. The mechanism for adjusting the backlash in a box according to claim 1, further comprising: a large gear (300) and a small gear (200) connected with an external shaft (400) of the robot are arranged in the box body (100), the large gear (300) is meshed with the small gear (200), a gear meshing clearance adjusting mechanism in the box body is installed at the small gear (200) in the box body (100), and a reduction box (500) is arranged between the external shaft (400) of the robot and the small gear (200).
3. The mechanism for adjusting the backlash in a box according to claim 1, further comprising: the rotating shaft (1) is arranged on an extension line of the driving force of the pinion (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123394511.0U CN216715204U (en) | 2021-12-31 | 2021-12-31 | Gear meshing clearance adjusting mechanism of box body internal gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123394511.0U CN216715204U (en) | 2021-12-31 | 2021-12-31 | Gear meshing clearance adjusting mechanism of box body internal gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715204U true CN216715204U (en) | 2022-06-10 |
Family
ID=81888644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123394511.0U Active CN216715204U (en) | 2021-12-31 | 2021-12-31 | Gear meshing clearance adjusting mechanism of box body internal gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216715204U (en) |
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2021
- 2021-12-31 CN CN202123394511.0U patent/CN216715204U/en active Active
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