CN220910394U - Self-locking gear box - Google Patents
Self-locking gear box Download PDFInfo
- Publication number
- CN220910394U CN220910394U CN202322671303.3U CN202322671303U CN220910394U CN 220910394 U CN220910394 U CN 220910394U CN 202322671303 U CN202322671303 U CN 202322671303U CN 220910394 U CN220910394 U CN 220910394U
- Authority
- CN
- China
- Prior art keywords
- gear
- stage
- shaft
- transmission
- driving shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 81
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000013016 damping Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 37
- 208000032369 Primary transmission Diseases 0.000 claims description 23
- 208000032370 Secondary transmission Diseases 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 13
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Gear Transmission (AREA)
Abstract
The utility model relates to the technical field of mechanical transmission, in particular to a self-locking gear box. The gearbox comprises a gearbox shell, wherein a mounting cavity is formed in the gearbox shell, an input end is formed on one side of the mounting cavity along the length direction, an output end is formed on the other side of the mounting cavity, a motor is arranged at the input end, and the motor is provided with a rotatable main shaft; the output end is provided with a driving shaft, a transmission assembly is arranged between the main shaft and the driving shaft, the transmission assembly is used for power transmission between the main shaft and the driving shaft, the driving shaft is provided with a metal damper, and the metal damper is used for being matched with the driving shaft. When the gearbox is applied with external force, the gearbox firstly acts on the metal damping, so that the damage of the transmission assembly and the motor can be prevented.
Description
Technical Field
The utility model relates to the technical field of mechanical transmission, in particular to a self-locking gear box.
Background
The existing common gearbox with a self-locking function mainly uses software to control locked rotor, and when the method is used, if external force is applied, the gear always bears lateral force, so that the service lives of the gear and the motor are greatly influenced; when the force born by the output teeth is greater than the locked force, the gearbox fails and cannot be self-locked.
Disclosure of utility model
The present utility model provides a self-locking gearbox that overcomes some or all of the disadvantages of the prior art.
The self-locking gear box comprises a gear box shell, wherein a mounting cavity is formed in the gear box shell, an input end is formed on one side of the mounting cavity along the length direction, an output end is formed on the other side of the mounting cavity, a motor is arranged at the input end, and the motor is provided with a rotatable main shaft; the output end is provided with a driving shaft, a transmission assembly is arranged between the main shaft and the driving shaft, the transmission assembly is used for power transmission between the main shaft and the driving shaft, the driving shaft is provided with a metal damper, and the metal damper is used for being matched with the driving shaft.
According to the utility model, the motor can output power, the transmission assembly can transmit the power to the driving shaft, and the metal damping at the driving shaft can absorb the external impact kinetic energy received by the driving shaft, so that the stable transmission of the gearbox can be better maintained.
Preferably, the gearbox housing comprises a detachably fitted housing body and a housing upper cover.
In the utility model, the detachable shell main body and the shell upper cover are arranged, so that the transmission assembly in the installation cavity is better convenient to install.
Preferably, a first mounting groove is formed at the upper cover of the shell, a first bearing is arranged in the first mounting groove, and the first bearing is correspondingly matched with the main shaft.
According to the utility model, the first mounting groove is arranged, so that the first bearing is preferably mounted, and the rotation stability of the main shaft is preferably improved through the cooperation of the first bearing and the main shaft.
Preferably, the transmission assembly comprises a primary transmission mechanism, a secondary transmission mechanism, a tertiary transmission mechanism and a quaternary transmission mechanism which are matched in sequence; the first-stage transmission mechanism is used for being matched with the main shaft, and the fourth-stage transmission mechanism is used for being matched with the driving shaft.
According to the utility model, the primary transmission mechanism, the secondary transmission mechanism, the tertiary transmission mechanism and the quaternary transmission mechanism which are matched in sequence are arranged, so that the power generated by the motor can be transmitted from the main shaft to the driving shaft, and the step reduction can be realized.
Preferably, the primary transmission mechanism comprises 2 second mounting grooves formed at two ends of the width direction of the mounting cavity, second bearings are respectively arranged in the 2 second mounting grooves, a primary transmission shaft is rotatably arranged between the 2 second mounting grooves, a primary bevel gear is axially arranged on the primary transmission shaft, a main shaft worm is correspondingly arranged at the main shaft, and the primary bevel gear is correspondingly matched with the main shaft worm.
In the utility model, the second mounting groove is arranged, so that the second bearing is preferably mounted, the second bearing is matched with the primary transmission shaft, the rotation stability of the primary transmission shaft is preferably improved, and the power transmission between the main shaft and the primary transmission shaft is preferably realized by arranging the primary bevel gear and the main shaft worm.
Preferably, the secondary transmission mechanism comprises a third installation groove formed at the upper cover of the shell in the height direction and a fourth installation groove formed at the main body of the shell, a secondary transmission shaft is axially arranged between the third installation groove and the fourth installation groove, a secondary gear is axially formed at the secondary transmission shaft, the secondary gear comprises a secondary helical gear and a secondary straight gear which are integrally formed, a primary worm is correspondingly formed at the primary transmission shaft, and the primary worm is correspondingly matched with the secondary helical gear.
According to the utility model, through the arrangement of the third mounting groove and the fourth mounting groove, the running fit of the secondary transmission shaft can be better realized, and through the arrangement of the primary worm and the secondary bevel gear, the power transmission between the primary transmission shaft and the secondary transmission shaft is better realized.
Preferably, the three-stage transmission mechanism comprises a fifth mounting groove formed at the upper cover of the shell in the height direction and a sixth mounting groove formed at the main body of the shell, a three-stage transmission shaft is arranged between the fifth mounting groove and the sixth mounting groove, the three-stage transmission shaft forms a three-stage gear along the axial direction, the three-stage gear comprises a first three-stage spur gear and a second three-stage spur gear which are integrally formed, and the first three-stage spur gear is correspondingly matched with the second three-stage spur gear.
According to the utility model, through arranging the fifth mounting groove and the sixth mounting groove, the rotation fit of the three-stage transmission shaft can be better realized, and through arranging the first three-stage spur gear, the first three-stage spur gear can be better matched with the second straight gear, so that the power transmission between the two-stage transmission shaft and the three-stage transmission shaft is better realized.
Preferably, the four-stage transmission mechanism comprises a seventh mounting groove formed at the upper cover of the shell in the height direction and an eighth mounting groove formed at the main body of the shell, a four-stage transmission shaft is arranged between the seventh mounting groove and the eighth mounting groove, a four-stage spur gear is formed along the axial direction by four-stage transmission drawers, and the four-stage spur gear is correspondingly matched with the second three-stage spur gear.
According to the utility model, through arranging the seventh mounting groove and the eighth mounting groove, the running fit of the four-stage transmission shaft can be better realized, and through arranging the fourth-stage spur gear, the fourth-stage spur gear can be better matched with the second three-stage spur gear, so that the power transmission between the three-stage transmission shaft and the four-stage transmission shaft is better realized.
Preferably, a ninth installation groove and a tenth installation groove are formed in the height direction of the shell body, a third bearing is arranged in the ninth installation groove, a fourth bearing is arranged in the tenth installation groove, and the third bearing and the fourth bearing are matched with the driving shaft; the outer wall of the driving shaft is provided with an output gear which is correspondingly matched with the four-stage spur gear.
According to the utility model, through arranging the ninth mounting groove and the tenth mounting groove, the running fit of the driving shaft is better realized, through arranging the third bearing and the fourth bearing, the running stability of the driving shaft is better improved, and through arranging the output gear, the driving shaft can be better matched with the four-stage spur gear, so that the power transmission between the four-stage transmission shaft and the driving shaft can be better realized.
Preferably, the driving shaft forms an installation channel along the axial direction, a solid rivet is arranged in the installation channel, a nut is correspondingly arranged at the lower end of the metal damper, and the solid rivet is in threaded fit with the nut; the metal damper comprises a fixing piece, a plurality of elastic pieces are arranged on the fixing piece and the nut piece, and the elastic pieces are sleeved at the solid rivet.
According to the utility model, the installation of the metal damper is preferably realized by arranging the solid rivet and the nut, and the elastic sheet is arranged to preferably absorb the kinetic energy along the axial direction of the solid rivet and assist the metal damper to reset when the axial load disappears.
Drawings
FIG. 1 is a schematic diagram of a gearbox shaft side;
FIG. 2 is an exploded view of the gearbox;
FIG. 3 is an enlarged schematic view of a portion of FIG. 2A;
fig. 4 is a partially enlarged schematic view of fig. 2 at B.
Detailed Description
For a further understanding of the present utility model, the present utility model will be described in detail with reference to examples. It is to be understood that the examples are illustrative of the present utility model and are not intended to be limiting.
Example 1
1-4, The embodiment provides a self-locking gear box, which comprises a gear box shell 110, wherein a mounting cavity is formed in the gear box shell 110, an input end 111 is formed on one side of the mounting cavity along the length direction, an output end 112 is formed on the other side of the mounting cavity, a motor 120 is arranged at the input end 111, and the motor 120 is provided with a rotatable main shaft 221; the output end 112 is provided with a driving shaft 240, a transmission assembly is arranged between the main shaft 221 and the driving shaft 240, the transmission assembly is used for power transmission between the main shaft 221 and the driving shaft 240, the driving shaft 240 is provided with a metal damper 130, and the metal damper 130 is used for being matched with the driving shaft 240.
The motor 120 can output power, the transmission assembly can transmit the power to the driving shaft 240, and the metal damper 130 at the driving shaft 240 can absorb the external impact kinetic energy received by the driving shaft 240, so that the stable transmission of the gearbox can be better maintained.
That is, when the driving shaft 240 is axially stressed, the metal damper 130 can absorb the force axially stressed, so that the axial force does not directly act on the transmission assembly and the motor 120, and damage to the transmission assembly and the motor 120 is preferably prevented.
Further, the expansion coefficient of the metal damper 130 is small, the variation is small when the damper is used at high temperature, and the stability is high; meanwhile, the metal damper 130 has long wear-resistant service life and high reliability, so that the failure risk can be reduced better.
It is understood that motor 120 is model number 3040 motor 120.
In this embodiment, the gear case housing 110 includes a housing main body 113 and a housing upper cover 114 that are detachably fitted.
Wherein, through setting up detachable complex casing main part 113 and casing upper cover 114, the transmission subassembly's in the preferred convenience installation of installation chamber.
In this embodiment, a first mounting groove is formed at the housing upper cover 114, and a first bearing is disposed in the first mounting groove and is correspondingly matched with the spindle 221.
Wherein, through setting up first mounting groove, the installation of preferred realization first bearing, through first bearing and main shaft 221 cooperation, the rotation stability of main shaft 221 has preferably been improved.
In the embodiment, the transmission assembly comprises a primary transmission mechanism, a secondary transmission mechanism, a tertiary transmission mechanism and a quaternary transmission mechanism which are matched in sequence; the primary transmission is for cooperation with the main shaft 221, and the quaternary transmission is for cooperation with the drive shaft 240.
Wherein, through setting up first order drive mechanism, second grade drive mechanism, tertiary drive mechanism and four-stage drive mechanism that cooperates in proper order, so the realization that can be better transmits the power that motor 120 produced to driving shaft 240 department from main shaft 221, and can realize the ladder speed reduction.
In this embodiment, the primary transmission mechanism includes 2 second mounting grooves formed at two ends of the width direction of the mounting cavity, second bearings are respectively disposed in the 2 second mounting grooves, a primary transmission shaft 250 is rotatably disposed between the 2 second mounting grooves, a primary bevel gear 251 is disposed on the primary transmission shaft 250 along the axial direction, a spindle worm 222 is correspondingly disposed at the spindle 221, and the primary bevel gear 251 is correspondingly matched with the spindle worm 222.
Wherein, through setting up the second mounting groove, the installation of second bearing has preferably been realized, through second bearing and one-level transmission shaft 250 cooperation, the rotation stability of one-level transmission shaft 250 has preferably been improved, through setting up one-level helical gear 251 and spindle worm 222, the power transmission between preferred realization main shaft 221 and the one-level transmission shaft 250.
It can be understood that the primary bevel gear 251 and the primary transmission shaft 250 adopt flat key transmission, and the primary bevel gear 251 and the primary transmission shaft 250 adopt flat key transmission.
In this embodiment, the secondary transmission mechanism includes a third installation groove formed at the upper cover 114 of the housing in the height direction and a fourth installation groove formed at the main body 113 of the housing, a secondary transmission shaft 260 is axially disposed between the third installation groove and the fourth installation groove, a secondary gear 261 is axially formed at the secondary transmission shaft 260, the secondary gear 261 includes a secondary helical gear 3611 and a secondary straight gear 3612 which are integrally formed, a primary worm 252 is correspondingly formed at the primary transmission shaft 250, and the primary worm 252 is correspondingly matched with the secondary helical gear 3611.
Wherein, through setting up third mounting groove and fourth mounting groove, the normal running fit of second grade drive shaft 260 that can be preferred has preferably realized the power transmission between first grade transmission shaft 250 and the second grade drive shaft 260 through setting up first grade worm 252 and second grade helical gear 3611.
In this embodiment, the three-stage transmission mechanism includes a fifth mounting groove formed at the housing upper cover 114 in the height direction and a sixth mounting groove formed at the housing main body 113, a three-stage transmission shaft 270 is disposed between the fifth mounting groove and the sixth mounting groove, the three-stage transmission shaft 270 forms a three-stage gear 271 in the axial direction, the three-stage gear 271 includes a first three-stage spur gear 4711 and a second three-stage spur gear 4712 which are integrally formed, and the first three-stage spur gear 4711 is correspondingly matched with the second three-stage spur gear 3612.
Wherein, through setting up fifth mounting groove and sixth mounting groove, the normal running fit of tertiary transmission shaft 270 that realizes that can be preferred, through setting up first tertiary straight-tooth gear 4711, can be preferred with the cooperation of second grade straight-tooth gear 3612, so the power transmission between the tertiary transmission shaft 270 of preferred realization secondary drive shaft 260.
In this embodiment, the four-stage transmission mechanism includes a seventh mounting groove formed at the upper cover 114 of the housing in the height direction and an eighth mounting groove formed at the main body 113 of the housing, a four-stage transmission shaft 280 is disposed between the seventh mounting groove and the eighth mounting groove, a four-stage spur gear 281 is formed along the axial direction by four-stage transmission pump, and the four-stage spur gear 281 is correspondingly matched with the second three-stage spur gear 4712.
Wherein, through setting up seventh mounting groove and eighth mounting groove, the normal running fit of realization quaternary drive shaft 280 that can be preferred, through setting up quaternary straight-tooth gear 281, can be preferred with the cooperation of second tertiary straight-tooth gear 4712, so the power transmission between tertiary drive shaft 270 and the quaternary drive shaft 280 has been realized to the preferred.
In this embodiment, the housing main body 113 forms a ninth installation groove and a tenth installation groove along the height direction, a third bearing is disposed in the ninth installation groove, a fourth bearing is disposed in the tenth installation groove, and the third bearing and the fourth bearing are matched with the driving shaft 240; the outer wall of the driving shaft 240 is provided with an output gear which is correspondingly matched with the four-stage straight gear 281.
Wherein, through setting up ninth mounting groove and tenth mounting groove, the normal running fit of driving shaft 240 has been realized to the preferred, through setting up third bearing and fourth bearing, the rotation stability of driving shaft 240 has been improved to the preferred, through setting up output gear, can be better with four-stage spur gear 281 cooperation, so the power transmission between realization four-stage transmission shaft 280 and the driving shaft 240 that can be preferred.
In this embodiment, the driving shaft 240 forms an installation channel along the axial direction, a solid rivet 241 is arranged in the installation channel, a nut 242 is correspondingly arranged at the lower end of the metal damper 130, and the solid rivet 241 is in threaded fit with the nut 242; the metal damper 130 includes a fixing member 231, a plurality of elastic pieces 290 are disposed on the fixing member 231 and the nut 242, and the elastic pieces 290 are sleeved on the solid rivet 241.
Wherein, through setting up solid rivet 241 and nut 242, the installation of metal damper 130 ware has preferably been realized, through setting up shell fragment 290, has preferably absorbed along solid rivet 241 axial kinetic energy, and can assist metal damper 130 ware to reset when axial load disappears.
It is to be understood that, based on one or several embodiments provided in the present application, those skilled in the art may combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments, which do not exceed the protection scope of the present application.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the examples are merely illustrative of embodiments of the utility model and the actual construction is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (10)
1. A self-locking gearbox, characterized in that: the gear box comprises a gear box shell, wherein a mounting cavity is formed in the gear box shell, an input end is formed on one side of the mounting cavity along the length direction, an output end is formed on the other side of the mounting cavity, a motor is arranged at the input end, and the motor is provided with a rotatable main shaft; the output end is provided with a driving shaft, a transmission assembly is arranged between the main shaft and the driving shaft, the transmission assembly is used for power transmission between the main shaft and the driving shaft, the driving shaft is provided with a metal damper, and the metal damper is used for being matched with the driving shaft.
2. The self-locking gearbox of claim 1, wherein: the gearbox housing comprises a housing body and a housing upper cover which are detachably matched.
3. The self-locking gearbox of claim 2, wherein: a first mounting groove is formed in the upper cover of the shell, a first bearing is arranged in the first mounting groove, and the first bearing is correspondingly matched with the main shaft.
4. A self locking gearbox according to claim 3, characterised in that: the transmission assembly comprises a primary transmission mechanism, a secondary transmission mechanism, a tertiary transmission mechanism and a quaternary transmission mechanism which are matched in sequence; the first-stage transmission mechanism is used for being matched with the main shaft, and the fourth-stage transmission mechanism is used for being matched with the driving shaft.
5. The self-locking gearbox of claim 4, wherein: the primary transmission mechanism comprises 2 second mounting grooves formed at two ends of the width direction of the mounting cavity, second bearings are respectively arranged in the 2 second mounting grooves, a primary transmission shaft is rotatably arranged between the 2 second mounting grooves, a primary bevel gear is axially arranged on the primary transmission shaft, a main shaft worm is correspondingly arranged at the main shaft, and the primary bevel gear is correspondingly matched with the main shaft worm.
6. The self-locking gearbox of claim 5, wherein: the secondary transmission mechanism comprises a third mounting groove formed at the upper cover of the shell in the height direction and a fourth mounting groove formed at the main body of the shell, a secondary transmission shaft is axially arranged between the third mounting groove and the fourth mounting groove, a secondary gear is axially formed at the secondary transmission shaft, the secondary gear comprises a secondary helical gear and a secondary straight gear which are integrally formed, a primary worm is correspondingly formed at the primary transmission shaft, and the primary worm is correspondingly matched with the secondary helical gear.
7. The self-locking gearbox of claim 6, wherein: the third-stage transmission mechanism comprises a fifth mounting groove formed in the upper cover of the shell in the height direction and a sixth mounting groove formed in the main body of the shell, a third-stage transmission shaft is arranged between the fifth mounting groove and the sixth mounting groove, the third-stage transmission shaft forms a third-stage gear along the axial direction, the third-stage gear comprises a first third-stage spur gear and a second third-stage spur gear which are integrally formed, and the first third-stage spur gear is correspondingly matched with the second-stage spur gear.
8. The self-locking gearbox of claim 7, wherein: the fourth-stage transmission mechanism comprises a seventh installation groove formed at the upper cover of the shell in the height direction and an eighth installation groove formed at the main body of the shell, a fourth-stage transmission shaft is arranged between the seventh installation groove and the eighth installation groove, a fourth-stage spur gear is formed along the axial direction by four-stage transmission pump, and the fourth-stage spur gear is correspondingly matched with the second-stage spur gear.
9. The self-locking gearbox of claim 8, wherein: a ninth installation groove and a tenth installation groove are formed in the height direction of the shell body, a third bearing is arranged in the ninth installation groove, a fourth bearing is arranged in the tenth installation groove, and the third bearing and the fourth bearing are matched with the driving shaft; the outer wall of the driving shaft is provided with an output gear which is correspondingly matched with the four-stage spur gear.
10. The self-locking gearbox of claim 9, wherein: the driving shaft forms an installation channel along the axial direction, a solid rivet is arranged in the installation channel, a nut is correspondingly arranged at the lower end of the metal damping, and the solid rivet is in threaded fit with the nut; the metal damper comprises a fixing piece, a plurality of elastic pieces are arranged on the fixing piece and the nut piece, and the elastic pieces are sleeved at the solid rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671303.3U CN220910394U (en) | 2023-09-28 | 2023-09-28 | Self-locking gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671303.3U CN220910394U (en) | 2023-09-28 | 2023-09-28 | Self-locking gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220910394U true CN220910394U (en) | 2024-05-07 |
Family
ID=90918670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322671303.3U Active CN220910394U (en) | 2023-09-28 | 2023-09-28 | Self-locking gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220910394U (en) |
-
2023
- 2023-09-28 CN CN202322671303.3U patent/CN220910394U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8051737B2 (en) | Worm gear drive | |
| US6058791A (en) | Accessory mechanical drive for a gas turbine engine | |
| US20240195264A1 (en) | Self-locking arrangement for motor, and linear actuator | |
| CN111594605A (en) | Worm gear speed reducing motor with balanced forward and reverse rotation output torque | |
| CN220910394U (en) | Self-locking gear box | |
| US6809440B2 (en) | Space-saving, damping coupling mechanism for worms in geared actuators | |
| CN209943430U (en) | Secondary speed reduction transmission mechanism of barrier gate movement | |
| CN213948122U (en) | Double-support electric driving wheel | |
| CN216290523U (en) | Electric push rod | |
| CN111703294A (en) | Double-support electric driving wheel | |
| CN107388545B (en) | Driving mechanism | |
| CN221347761U (en) | Actuator, suspension assembly and vehicle | |
| CN212429690U (en) | Worm gear speed reducing motor with balanced forward and reverse rotation output torque | |
| SE538967C2 (en) | Electric power tool | |
| CN201383736Y (en) | Speed reduction motor | |
| CN215487459U (en) | Gear box for lifting motorcycle glass | |
| CN220985451U (en) | Electric cylinder with detachable hand-operated mechanism | |
| CN219107228U (en) | Motor with speed reducing mechanism | |
| CN221547700U (en) | Reduction gearbox of seat slide rail and seat slide rail | |
| KR20030033842A (en) | Worm device of electric power steering system | |
| CN216895638U (en) | Wear-resisting reliable bearing gear integration decelerator | |
| CN219774726U (en) | Space homodromous inching speed reducer | |
| CN217271786U (en) | Clutch type speed reducer | |
| EP3947879B1 (en) | Automatic door operator and drive mechanism thereof | |
| CN211315047U (en) | Gear shaft axial fixing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |