CN217653163U - Gear adjusting gearbox structure of agricultural machine - Google Patents
Gear adjusting gearbox structure of agricultural machine Download PDFInfo
- Publication number
- CN217653163U CN217653163U CN202221677971.6U CN202221677971U CN217653163U CN 217653163 U CN217653163 U CN 217653163U CN 202221677971 U CN202221677971 U CN 202221677971U CN 217653163 U CN217653163 U CN 217653163U
- Authority
- CN
- China
- Prior art keywords
- shaft
- driving
- transmission
- gear
- box body
- 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
Images
Landscapes
- Gear Transmission (AREA)
Abstract
The utility model discloses an agricultural machinery gear adjusting gearbox structure, which belongs to the technical field of gearboxes and comprises a box body, wherein a transmission assembly for adjusting output rotating speed is arranged in the box body, a driving shaft is arranged on the upper part of the transmission assembly, a transmission shaft is arranged between the driving shaft and the transmission assembly, the transmission wheel is perpendicular to the driving wheel and is rotatably arranged in the box body, a gear set is arranged between the transmission shaft and the transmission assembly for meshing connection, and a sliding driving module is arranged between the driving shaft and the transmission shaft for connection; the driving shaft comprises a front shaft and a rear shaft, the rear shaft is rotatably mounted in the box body, one end of the front shaft penetrates through the box body to be connected with a driving mechanism, and one ends, close to each other, of the front shaft and the rear shaft are respectively provided with an off-shaft latch matched with the sliding driving module; the sliding driving module comprises a sliding module for realizing the transmission connection of a front shaft and a rear shaft and a driving module for realizing the transmission connection of a driving shaft and a transmission shaft.
Description
Technical Field
The utility model relates to a gearbox technical field, concretely relates to gearbox structure is adjusted to agricultural machinery gear.
Background
Tractors are increasingly used in agriculture, engineering and other fields to pull and drive working machines to perform various mobile or fixed operations. Among them, the transmission is an important part of a tractor, and functions to change the driving force and the running speed of the tractor, to make the tractor go forward or backward, and to stop and output power under the working condition of an engine, etc.
The existing tractor is usually provided with a reverse gear and a plurality of forward gears, and due to the complexity of the working terrain of the tractor, the problem of crater or steep slope often occurs in the reverse process, so that the reverse gear can not meet the moving requirement of the tractor, and the working flexibility of the tractor is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a gearbox structure is adjusted to agricultural machinery gear, through the cover body, little bevel gear cooperatees with big bevel gear, utilize the driving lever to remove the position of the cover body between front axle and rear axle, can change the direction of rotation of drive wheel, and then realize corotation and the reversal of gearbox, the gear quantity that makes agricultural machinery reverse gear is the same with the gear quantity that advances the fender, can select suitable reverse gear according to the operational environment of agricultural machinery, be favorable to improving the flexibility of agricultural machinery.
In order to realize the purpose, the utility model adopts the technical scheme as follows:
the agricultural machinery gear adjusting gearbox structure comprises a box body, wherein a transmission assembly for adjusting output rotating speed is installed in the box body, a driving shaft is installed at the upper part of the transmission assembly, a transmission shaft is arranged between the driving shaft and the transmission assembly, the transmission wheel is perpendicular to the driving wheel and is rotatably installed in the box body, a gear set is arranged between the transmission shaft and the transmission assembly and is meshed with the transmission assembly, and a sliding driving module is arranged between the driving shaft and the transmission shaft and is connected with the transmission shaft;
the driving shaft comprises a front shaft and a rear shaft, the rear shaft is rotatably mounted in the box body, one end of the front shaft penetrates through the box body and is connected with a driving mechanism, and one ends, close to each other, of the front shaft and the rear shaft are provided with off-shaft clamping teeth matched with the sliding driving module;
the sliding driving module comprises a sliding module for realizing the transmission connection of a front shaft and a rear shaft and a driving module for realizing the transmission connection of a driving shaft and a transmission shaft.
Preferably, the driving module comprises a large bevel gear fixedly mounted at one end, close to the driving shaft, of the transmission shaft and small bevel gears respectively rotatably mounted on the front shaft and the rear shaft, and the large bevel gear is located between the two small bevel gears and is in meshed connection with the two small bevel gears.
Preferably, the bearings are installed at the ends, close to each other, of the front shaft and the rear shaft, the ends, far away from each other, of the bevel pinions are respectively sleeved on the corresponding bearings, and the inner sides of the ends, close to each other, of the bevel pinions extend out of the bearings and are provided with bevel gear inner clamping teeth matched with the sliding modules.
Preferably, the sliding module comprises a sleeve body and a shifting rod, two ends of the sleeve body are arranged to be gear connection sections, inner sides of the gear connection sections are provided with inner clamping teeth of the sleeve body, outer clamping teeth of the sleeve body matched with the inner clamping teeth of the bevel wheel are arranged on the outer sides of the gear connection sections, a limiting driving section is arranged in the middle of the sleeve body, the shifting rod is matched with the limiting driving section, a mounting hole for mounting the shifting rod is formed in the box body, and a plurality of uniformly distributed outer clamping teeth matched with the inner clamping teeth of the sleeve body are arranged at one end, close to each other, of the front shaft and the rear shaft.
Preferably, the limiting driving section comprises two limiting convex rings fixedly mounted on the sleeve body, one end of the shifting lever extends into the space between the two limiting convex rings, and a rotating wheel is rotatably mounted on the shifting lever extending into the space between the two limiting convex rings.
Preferably, the diameter of the rotating wheel is smaller than the distance between the two limit convex rings.
Preferably, the distance between the two bevel pinions is greater than the length of the sleeve body, the distance between the two bearings is set to be 1.1-1.3 times of the length of the sleeve body, and the internal gear of the sleeve body penetrates through the sleeve body.
The beneficial effects of the utility model are shown in:
1. in the utility model, the sleeve body, the small bevel gear and the large bevel gear are matched, the driving lever is utilized to move the position of the sleeve body between the front shaft and the rear shaft, the rotating direction of the transmission shaft can be changed, and further the forward rotation and the reverse rotation of the gearbox are realized, so that the gear number of the reverse gear of the agricultural machine is the same as the gear number of the forward gear, the proper reverse gear can be selected according to the working environment of the agricultural machine, and the improvement of the flexibility of the agricultural machine is facilitated;
2. the utility model adopts the design that two small bevel gears are meshed with the big bevel gear at the same time, and can avoid the big bevel gear rotating in reverse driving by any one of the beam pinions from being damaged due to high-speed collision when the big bevel gear rotates in a direction changing way;
3. the utility model utilizes the contact of the rotating wheel and the two limit convex rings, replaces sliding friction through rolling friction, is favorable for reducing friction force, is favorable for reducing the abrasion between the driving lever and the limit convex rings, is favorable for improving the stability of the driving lever when in contact with the limit convex rings, and is convenient for sliding the sleeve body;
4. the design that the distance between the two bevel pinions of the utility model is longer than the length of the sleeve body can realize the stalling of the bevel pinion in the sliding process of the sleeve body and provide the buffer for the subsequent gear driving structure;
5. the utility model discloses but well driving shaft adopts the split design, utilizes front axle, rear axle and cover body to cooperate, and the front axle can be installed at cover body both ends simultaneously with the rear axle, both can improve the installation effectiveness, can reduce the requirement to installation space when assembling again, the convenient installation in the gearbox.
Drawings
Fig. 1 is a schematic view of the overall structure of the gear adjusting gearbox structure of the agricultural machinery of the present invention;
fig. 2 is a schematic structural view of a sliding driving module of the structure of the gear adjusting gearbox of the agricultural machinery of the present invention;
FIG. 3 is a schematic structural view of a front shaft and a rear shaft of the gear-adjusting gearbox of the agricultural machinery of the present invention;
FIG. 4 is a schematic structural view of a sleeve body of the structure of the gear-adjusting gearbox of the agricultural machinery of the present invention;
fig. 5 is the utility model discloses the sectional structure schematic diagram of the drive module that slides of gearbox structure is adjusted to agricultural machinery gear.
In the figure: 1-box body, 2-transmission component, 3-driving shaft, 4-sliding module, 5-driving module, 6-bearing, 7-mounting hole, 301-front shaft, 302-rear shaft, 303-off-shaft latch, 401-sleeve body, 402-gear connecting section, 403-in-sleeve latch, 404-out-sleeve latch, 405-limiting driving section, 501-large bevel gear, 502-small bevel gear and 503-bevel-gear internal latch.
Detailed Description
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
The agricultural machinery gear adjusting gearbox structure shown in the figures 1-5 comprises a box body 1, wherein a transmission assembly 2 for adjusting output rotating speed is installed in the box body 1, a driving shaft 3 is installed at the upper part of the transmission assembly 2, a transmission shaft is arranged between the driving shaft 3 and the transmission assembly 2, the transmission wheel is perpendicular to the driving wheel and is rotatably installed in the box body 1, a gear set is arranged between the transmission shaft and the transmission assembly 2 and is in meshed connection with the transmission assembly, and a sliding driving module is arranged between the driving shaft 3 and the transmission shaft and is connected with the transmission shaft; the driving shaft 3 comprises a front shaft 301 and a rear shaft 302, the rear shaft 302 is rotatably installed in the box body 1, one end of the front shaft 301 penetrates through the box body 1 and is connected with a driving mechanism, and one ends, close to each other, of the front shaft 301 and the rear shaft 302 are respectively provided with an off-axis clamping tooth 303 matched with the sliding driving module; the drive module that slides is including being used for realizing that front axle 301 and rear axle 302 transmission are connected slides module 4 and be used for realizing that driving shaft 3 and transmission shaft transmission are connected drive module 5 and constitute, wherein driving shaft 3 adopts removable design, utilize front axle 301, rear axle 302 cooperatees with the module 4 that slides, front axle 301 can be installed at the module 4 both ends that slide with rear axle 302 simultaneously, installation effectiveness both can be improved, can reduce the requirement to installation space when assembling again, convenient installation in the gearbox, utilize simultaneously.
The driving mechanism can be an engine, and the transmission component 2 can be a plurality of groups of mutually meshed gear sets and rotating shafts provided with different gears.
Drive module 5 includes fixed mounting and is in the transmission shaft is close to big bevel gear 501 of driving shaft 3 one end is installed with rotating respectively little bevel gear 502 on front axle 301 and the rear axle 302, big bevel gear 501 is located two between the little bevel gear 502 just big bevel gear 501 all with two little bevel gear 502 meshing is connected, adopts the design that two little bevel gears 502 mesh with big bevel gear 501 simultaneously, can avoid because of high-speed collision emergence damage when big bevel gear 501 diversion is rotated and is any reverse drive pivoted big bevel gear 501 in the beam pinion.
The front shaft 301 and the rear shaft 302 are provided with a bearing 6 at one end close to each other, two small bevel gears 502 are sleeved at the corresponding bearing 6 at one end far away from each other, and two small bevel gears 502 are extended out of the inner side of one end close to each other and are provided with a bevel gear inner latch 503 matched with the sliding module 4.
The sliding module 4 comprises a sleeve body 401 and a shift lever, two ends of the sleeve body 401 are provided with gear connecting sections 402, the inner side of the gear connecting section 402 is provided with a sleeve body inner latch 403, the outer side of the gear connecting section 402 is provided with a sleeve body outer latch 404 matched with the cone pulley inner latch 503, the middle position of the sleeve body 401 is provided with a limiting driving section 405, the shift lever is matched with the limiting driving section 405, the box body is provided with a mounting hole 7 for mounting the shift lever, one end of the front shaft 301, close to the rear shaft 302, is provided with a plurality of uniformly distributed shaft outer latches 303 matched with the sleeve body inner latch 403, the limiting driving section 405 comprises two limiting convex rings fixedly mounted on the sleeve body 401, one end of the shift lever extends into between the two limiting convex rings, stretch into two between the spacing bulge loop rotate on the driving lever and install the runner, the diameter of runner is less than two distance between the spacing bulge loop utilizes runner and two spacing bulge loop contacts, replaces sliding friction through rolling friction, is favorable to reducing frictional force, existing wearing and tearing that do benefit to between reduction driving lever and the spacing bulge loop are favorable to improving the stability when driving lever contacts with the spacing bulge loop again, make things convenient for sliding of the cover body 401, utilize runner and two spacing bulge loop contacts simultaneously, replace sliding friction through rolling friction, be favorable to reducing frictional force, existing wearing and tearing that do benefit to between reduction driving lever and the spacing bulge loop are favorable to improving the stability when driving lever contacts with the spacing bulge loop again, make things convenient for sliding of the cover body 401.
The distance between the two bevel pinions 502 is greater than the length of the sleeve body 401, the distance between the two bearings 6 is set to be 1.1-1.3 times of the length of the sleeve body 401, the sleeve body internal gear penetrates through the sleeve body 401, and the distance between the two bevel pinions 502 is greater than the length of the sleeve body 401, so that the stalling of the bevel pinions 501 can be realized in the sliding process of the sleeve body 401, and the buffer is provided for the subsequent gear driving structure.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (7)
1. The agricultural machinery gear adjusting gearbox structure is characterized by comprising a box body, wherein a transmission assembly for adjusting output rotating speed is installed in the box body, a driving shaft is installed at the upper part of the transmission assembly, a transmission shaft is arranged between the driving shaft and the transmission assembly, the transmission shaft is perpendicular to the driving shaft and is rotatably installed in the box body, a gear set is arranged between the transmission shaft and the transmission assembly and is meshed with the transmission assembly, and a sliding driving module is arranged between the driving shaft and the transmission shaft and is connected with the transmission shaft;
the driving shaft comprises a front shaft and a rear shaft, the rear shaft is rotatably mounted in the box body, one end of the front shaft penetrates through the box body and is connected with a driving mechanism, and one ends, close to each other, of the front shaft and the rear shaft are provided with off-shaft clamping teeth matched with the sliding driving module;
the sliding driving module comprises a sliding module used for realizing transmission connection of a front shaft and a rear shaft and a driving module used for realizing transmission connection of a driving shaft and a transmission shaft, and the sliding module is meshed with the external clamping teeth.
2. The agricultural machinery gear adjusting gearbox structure as claimed in claim 1, wherein the driving module comprises a large bevel gear fixedly mounted at one end of the transmission shaft close to the driving shaft and small bevel gears respectively rotatably mounted on the front shaft and the rear shaft, the large bevel gear is located between the two small bevel gears, and the large bevel gear is meshed with the two small bevel gears.
3. The agricultural machinery gear adjusting gearbox structure as claimed in claim 2, wherein bearings are mounted at the ends of the front shaft and the rear shaft which are close to each other, the ends of the two small bevel gears which are far away from each other are respectively sleeved on the corresponding bearings, and the inner sides of the ends of the two small bevel gears which are close to each other extend out of the bearings and are provided with cone pulley inner latches which are matched with the sliding module.
4. The agricultural machinery gear shifting transmission box structure according to claim 3, wherein the sliding module comprises a sleeve body and a shift lever, two ends of the sleeve body are provided with gear connecting sections, the inner sides of the gear connecting sections are provided with in-sleeve snap teeth, the outer sides of the gear connecting sections are provided with in-sleeve snap teeth matched with the in-cone-pulley snap teeth, the middle position of the sleeve body is provided with a limiting driving section, the shift lever is matched with the limiting driving section, the box body is provided with a mounting hole for mounting the shift lever, and one ends of the front shaft and the rear shaft, which are close to each other, are provided with a plurality of uniformly distributed off-shaft snap teeth matched with the in-sleeve snap teeth.
5. The agricultural machinery gear-shifting gearbox structure of claim 4, wherein the limiting driving section comprises two limiting convex rings fixedly mounted on the sleeve body, one end of the shifting lever extends into a space between the two limiting convex rings, and a rotating wheel is rotatably mounted on the shifting lever extending into the space between the two limiting convex rings.
6. The agricultural machinery gear adjustment gearbox structure as claimed in claim 5, wherein the diameter of the rotating wheel is smaller than the distance between the two limiting convex rings.
7. The agricultural machinery gear-position adjusting gearbox structure as claimed in claim 4, wherein the distance between the two bevel pinions is greater than the length of the sleeve body, the distance between the two bearings is set to be 1.1-1.3 times of the length of the sleeve body, and the internal gear of the sleeve body penetrates through the sleeve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221677971.6U CN217653163U (en) | 2022-07-01 | 2022-07-01 | Gear adjusting gearbox structure of agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221677971.6U CN217653163U (en) | 2022-07-01 | 2022-07-01 | Gear adjusting gearbox structure of agricultural machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217653163U true CN217653163U (en) | 2022-10-25 |
Family
ID=83687219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221677971.6U Active CN217653163U (en) | 2022-07-01 | 2022-07-01 | Gear adjusting gearbox structure of agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217653163U (en) |
-
2022
- 2022-07-01 CN CN202221677971.6U patent/CN217653163U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109185417B (en) | Quick reversing power-dividing hydraulic mechanical stepless speed changer | |
| CN201382130Y (en) | Integrated automotive advancing, reserve gear and stress application transmission | |
| CN217653163U (en) | Gear adjusting gearbox structure of agricultural machine | |
| CN111271427B (en) | Integrated double HST planetary differential steering gearbox | |
| CN214221941U (en) | Gear transmission structure of gearbox of mini-tiller | |
| CN219139768U (en) | Tractor gearbox with HST | |
| CN111271430A (en) | Mechanical hydraulic coupling transmission stepless speed changing box, transmission system and tractor | |
| CN201554827U (en) | Variator integrated with advancing, reversing gear, and stress applying of motor vehicle | |
| CN211852715U (en) | Integral double HST planetary differential steering gearbox | |
| CN212959743U (en) | Tractor gearbox | |
| CN214274389U (en) | Variable speed transmission structure for cutter of mini-tiller | |
| CN114838096A (en) | Gearbox of crawler-type agricultural carrier | |
| CN212509378U (en) | Compound differential planetary mechanism of stepless speed change tractor | |
| CN111486201B (en) | Multifunctional gearbox | |
| CN114087332A (en) | Hydraulic stepless speed change transmission mechanism of medium and small horsepower wheeled tractor | |
| CN218935190U (en) | Improved version field management machine gearbox | |
| CN220600393U (en) | Integrated gearbox of hydraulic motor speed-changing differential mechanism | |
| CN217761914U (en) | Adjustable wheelset driving gearbox structure of agricultural machinery | |
| CN218670545U (en) | Gearbox of field management machine | |
| CN213628747U (en) | Variable speed transmission mechanism | |
| CN220600357U (en) | Variable speed transmission assembly of heavy tractor | |
| CN111765221B (en) | Compound differential planetary mechanism of stepless speed change tractor | |
| CN212377221U (en) | Multi-inlet multi-gear gearbox with improved structure applied to garden machinery | |
| CN213548210U (en) | Six-speed field management machine | |
| CN211820591U (en) | Integrated gearbox gear-shifting transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |