CN212775267U - Oil leakage prevention structure of gearbox brake - Google Patents
Oil leakage prevention structure of gearbox brake Download PDFInfo
- Publication number
- CN212775267U CN212775267U CN202021554755.3U CN202021554755U CN212775267U CN 212775267 U CN212775267 U CN 212775267U CN 202021554755 U CN202021554755 U CN 202021554755U CN 212775267 U CN212775267 U CN 212775267U
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- brake
- stud
- rear axle
- left brake
- stopper
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Abstract
The utility model discloses a gearbox stopper leak protection oil structure, including rear axle casing and left stopper, the inside rotation of rear axle casing is connected with the drive wheel, and one side threaded connection of rear axle casing has first stud, and the rear axle casing is provided with first packing ring through first stud fixedly connected with left stopper connection piece between left stopper connection piece and the rear axle casing, and the outside of first stud is provided with first gasket. The utility model discloses a penetrate the bolt-up in three first locating hole and the second locating hole, wherein this three bolt is not on same straight line, is triangle-shaped and arranges, and the bolt of three bolt and stopper round is not on same rotation center, when the hydro-cylinder extension or shorten, this three bolt bears the shear force, its intensity is enough to deal with the effort, thereby round bolt on having avoided the stopper bears the effort, it is rotatory not taking place to have also ensured the stopper, the emergence of oil leak phenomenon has been avoided.
Description
Technical Field
The utility model relates to a gearbox field specifically is a gearbox brake leak protection oil structure.
Background
The tractor gearbox stopper of prior art passes through round bolt fixed mounting on the casing of gearbox (the left and right sides all has), still be connected with the hydro-cylinder on the stopper simultaneously, the operation part (e.g. rotary cultivator, seeder etc.) is connected again to the hydro-cylinder, when operation part lifting or decline, the driver need control the hydro-cylinder extension or shorten, at this moment, the stopper wholly bears great effort, because the stopper is through round bolt fastening on the casing, this round bolt sharing same center of rotation, therefore, under great reaction force, the stopper takes place to rotate on the casing very easily, even if this turned angle is very little, also can cause to produce the clearance between stopper and the casing, cause the gearbox oil leakage in the casing.
Disclosure of Invention
The utility model mainly solves the technical problem existing in the prior art and provides an oil leakage prevention structure of a gearbox brake.
In order to achieve the above object, the utility model provides a following technical scheme: a transmission case brake oil leakage prevention structure comprises a rear axle shell and a left brake, wherein a transmission wheel is rotatably connected inside the rear axle shell, a first stud is in threaded connection with one side of the rear axle shell, the rear axle shell is fixedly connected with a left brake connecting sheet through the first stud, a first gasket is arranged between the left brake connecting sheet and the rear axle shell, a first gasket is arranged on the outer side of the first stud, a first nut is in threaded connection with one end of the first stud, a second stud is in threaded connection with the other side of the rear axle shell, a right brake connecting sheet is fixedly connected with the rear axle shell through the second stud, a second gasket is arranged between the right brake connecting sheet and the rear axle shell, a second gasket is arranged on the outer side of the second stud, and a second nut is in threaded connection with one end of the second stud, first locating holes are formed in the surfaces of the left brake, the left brake connecting piece and the right brake connecting piece, second locating holes matched with the first locating holes are formed in the two sides of the rear axle shell, and the first locating holes and the second locating holes are fixedly connected through bolts.
Preferably, the inside threaded connection of left brake has third stud, left brake connection piece passes through third stud and left brake fixed connection, the one end threaded connection of third stud has the third nut, left side brake's left side is fixed with first sealing washer, left brake's inside fixed mounting has the brake friction disc, one side of brake friction disc is provided with the braking piston, one side of braking piston is provided with the second sealing washer.
Preferably, the inside fixed mounting of left brake has the cylindric lock, the inside of left brake sets up the spring, the downside threaded connection of left brake has the hexagonal head embolism, place first combination sealing washer between hexagonal head embolism and the left brake.
Preferably, the upside fixed mounting and the joint of left brake, the upside fixed mounting who connects has O shape rubber seal for the pneumatic water, be provided with second combination sealing washer between joint and the left brake, the upside fixed mounting of left brake has the dust cover, the upside fixed mounting of dust cover has the gassing screw.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a seted up three first locating hole on stopper and stopper connection piece, the second locating hole that has also seted up the correspondence simultaneously on the rear axle casing, after the stopper is installed, penetrate the bolt-up again in this three first locating hole and second locating hole, wherein this three bolt is not on same straight line, it arranges to be triangle-shaped, and the bolt of three bolt and stopper round is not on same rotatory center, when the hydro-cylinder extension or shorten, this three bolt bears the shear force, its intensity is enough to deal with the effort, thereby round bolt on having avoided the stopper bears the effort, it does not take place rotatoryly also to have ensured the stopper, the emergence of oil leak phenomenon has been avoided.
Drawings
Fig. 1 is a schematic structural view of a rear axle central transmission assembly of the present invention;
fig. 2 is a schematic structural diagram of the left brake assembly of the present invention.
In the figure: 1 brake friction plate, 2 brake piston, 3 second seal ring, 4 hydraulic pressure gas O-shaped rubber seal ring, 5 joints, 6 second combined seal ring, 7 cylindrical pin, 8 spring, 9 hexagonal head plug, 10 first combined seal ring, 11 third stud bolt, 12 third nut, 13 left brake, 14 bleeder screw, 15 first seal ring, 16 dustproof cover, 17 rear axle shell, 18 driving wheel, 19 first washer, 20 left brake connecting piece, 21 first head bolt, 22 first washer, 23 first nut, 24 second washer, 25 right brake connecting piece, 26 second stud bolt, 27 second washer, 28 second nut, 29 first locating hole, 30 second locating hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, an oil leakage preventing structure for a transmission brake comprises a rear axle housing 17 and a left brake 13, wherein a transmission wheel 18 is rotatably connected inside the rear axle housing 17, a first stud 21 is threadedly connected to one side of the rear axle housing 17, the rear axle housing 17 is fixedly connected to a left brake connecting plate 20 through the first stud 21, a first washer 19 is arranged between the left brake connecting plate 20 and the rear axle housing 17, a first washer 22 is arranged outside the first stud 21, a first nut 23 is threadedly connected to one end of the first stud 21, a second stud 26 is threadedly connected to the other side of the rear axle housing 17, a right brake connecting plate 25 is fixedly connected to the rear axle housing 17 through the second stud 26, a second washer 24 is arranged between the right brake connecting plate 25 and the rear axle housing 17, and a second washer 27 is arranged outside the second stud 26, one end of the second stud 26 is connected with a second nut 28 in a threaded manner, first positioning holes 29 are formed in the surfaces of the left brake 13, the left brake connecting plate 20 and the right brake connecting plate 25, second positioning holes 30 matched with the first positioning holes 29 are formed in the two sides of the rear axle housing 17, and the first positioning holes 29 and the second positioning holes 30 are fixedly connected through bolts.
Referring to fig. 2, a third stud bolt 11 is connected to the inner thread of a left brake 13, a left brake connecting plate 20 is fixedly connected to the left brake 13 through the third stud bolt 11, a third nut 12 is connected to one end of the third stud bolt 11 through a thread, a first sealing ring 15 is fixed to the left side of the left brake 13, a brake friction plate 1 is fixedly installed inside the left brake 13, a brake piston 2 is arranged on one side of the brake friction plate 1, a second sealing ring 3 is arranged on one side of the brake piston 2, a cylindrical pin 7 is fixedly installed inside the left brake 13, a spring 8 is arranged inside the left brake 13, a hexagonal plug 9 is connected to the lower side of the left brake 13 through a thread, a first combined sealing washer 10 is placed between the hexagonal plug 9 and the left brake 13, a joint 5 is fixedly installed on the upper side of the left brake 13, and an O-shaped rubber sealing ring 4 for hydraulic gas is fixedly, a second combined sealing ring 6 is arranged between the joint 5 and the left brake 13, a dust cover 16 is fixedly arranged on the upper side of the left brake 13, and an air release screw 14 is fixedly arranged on the upper side of the dust cover 16.
In summary, the following steps: this gearbox brake leak protection oil structure, through seting up three first locating hole 29 on stopper and stopper connection piece, also seted up corresponding second locating hole 30 on rear axle casing 17 simultaneously, after the installation stopper, penetrate the bolt fastening in these three first locating hole 29 and second locating hole 30 again, wherein these three bolts are not on same straight line, be the triangle-shaped and arrange, and three bolt and stopper round bolt are not on same center of rotation, when the hydro-cylinder extends or shortens, these three bolts bear the shear force, its intensity is enough to deal with the effort, thereby avoided round bolt on the stopper to bear the effort, guaranteed also that the stopper does not take place to rotate, avoided the emergence of oil leak phenomenon.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a gearbox brake leak protection oil structure, includes rear axle casing (17) and left brake (13), its characterized in that: the rear axle housing is characterized in that a transmission wheel (18) is rotatably connected inside the rear axle housing (17), a first stud (21) is in threaded connection with one side of the rear axle housing (17), a left brake connecting piece (20) is fixedly connected with the rear axle housing (17) through the first stud (21), a first gasket (19) is arranged between the left brake connecting piece (20) and the rear axle housing (17), a first gasket (22) is arranged on the outer side of the first stud (21), a first nut (23) is in threaded connection with one end of the first stud (21), a second stud (26) is in threaded connection with the other side of the rear axle housing (17), a right brake connecting piece (25) is fixedly connected with the rear axle housing (17) through the second stud (26), and a second gasket (24) is arranged between the right brake connecting piece (25) and the rear axle housing (17), the outer side of the second stud (26) is provided with a second gasket (27), one end of the second stud (26) is in threaded connection with a second nut (28), first positioning holes (29) are formed in the surfaces of the left brake (13), the left brake connecting piece (20) and the right brake connecting piece (25), second positioning holes (30) matched with the first positioning holes (29) are formed in the two sides of the rear axle shell (17), and the first positioning holes (29) are fixedly connected with the second positioning holes (30) through bolts.
2. The oil leakage prevention structure of the transmission brake of claim 1, wherein: the inside threaded connection of left brake (13) has third stud (11), left brake connection piece (20) are through third stud (11) and left brake (13) fixed connection, the one end threaded connection of third stud (11) has third nut (12), the left side of left brake (13) is fixed with first sealing washer (15), the inside fixed mounting of left brake (13) has braking friction disc (1), one side of braking friction disc (1) is provided with brake piston (2), one side of brake piston (2) is provided with second sealing washer (3).
3. The oil leakage prevention structure of the transmission brake of claim 1, wherein: the inside fixed mounting of left brake (13) has cylindric lock (7), the inside of left brake (13) sets up spring (8), the downside threaded connection of left brake (13) has hexagonal head embolism (9), first combination seal ring (10) have been placed between hexagonal head embolism (9) and left brake (13).
4. The oil leakage prevention structure of the transmission brake of claim 1, wherein: upside fixed mounting and joint (5) of left brake (13), the upside fixed mounting who connects (5) has O shape rubber seal (4) for the pneumatic air, be provided with second composite seal (6) between joint (5) and left brake (13), the upside fixed mounting of left brake (13) has dust cover (16), the upside fixed mounting of dust cover (16) has gassing screw (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021554755.3U CN212775267U (en) | 2020-07-31 | 2020-07-31 | Oil leakage prevention structure of gearbox brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021554755.3U CN212775267U (en) | 2020-07-31 | 2020-07-31 | Oil leakage prevention structure of gearbox brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212775267U true CN212775267U (en) | 2021-03-23 |
Family
ID=75049139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021554755.3U Active CN212775267U (en) | 2020-07-31 | 2020-07-31 | Oil leakage prevention structure of gearbox brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212775267U (en) |
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2020
- 2020-07-31 CN CN202021554755.3U patent/CN212775267U/en active Active
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