CN113007328A - Fork truck that leakproofness is strong floating oil seal for transaxle - Google Patents
Fork truck that leakproofness is strong floating oil seal for transaxle Download PDFInfo
- Publication number
- CN113007328A CN113007328A CN201911331432.XA CN201911331432A CN113007328A CN 113007328 A CN113007328 A CN 113007328A CN 201911331432 A CN201911331432 A CN 201911331432A CN 113007328 A CN113007328 A CN 113007328A
- Authority
- CN
- China
- Prior art keywords
- drive axle
- top cover
- oil seal
- floating oil
- rod
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
Abstract
The invention discloses a high-tightness floating oil seal for a forklift drive axle, which comprises a drive axle shell, wherein the upper surface of the drive axle shell is movably connected with the lower surface of a drive axle top cover, the surface of the drive axle top cover is provided with a fixed bolt hole, the inner wall of the fixed bolt hole is in threaded connection with the surface of a top cover fixed bolt, the upper surface of the drive axle top cover is provided with a movable hole, and the inner wall of the movable hole is movably connected with the surface of a movable pipe. This fork truck floating oil seal for transaxle that leakproofness is strong, through slip movable tube to transaxle top cap surface, make the lift diaphragm descend, lift diaphragm fixed surface connection's connecting rod makes left fixed clamping bar and right fixed clamping bar keep the horizontality, the rubber sleeve of left fixed clamping bar and right fixed clamping bar fixed surface connection withstands floating oil seal circle surface, the floating oil seal circle that makes long-time use harden still hugs closely on transaxle shell surface, the strong effect of leakproofness has been reached.
Description
Technical Field
The invention relates to the technical field of forklift accessories, in particular to a floating oil seal with strong sealing performance for a forklift drive axle.
Background
The drive axle is a mechanism which is positioned at the tail end of a transmission system and can change the rotating speed and the torque from a speed changer and transmit the rotating speed and the torque to a driving wheel, the drive axle is generally composed of a main speed reducer, a differential mechanism, a wheel transmission device, a driving axle housing and the like, a steering drive axle is also provided with a constant velocity universal joint, in addition, the drive axle is also required to bear the vertical force, the longitudinal force and the transverse force, as well as the braking torque and the reaction force which are acted between a road surface and a frame or a vehicle body, the development of a forklift truck industry is technically followed in the forklift truck drive axle industry, under the normal condition, a forklift truck host factory can provide corresponding requirements for the axle when upgrading products, and an axle manufacturer designs and produces corresponding products according to the requirements, the requirements of the forklift truck market for the drive axle are mainly concentrated on products of 1-4.5 tons and 5-10 tons, wherein the drive axle of 1-4.5 tons is mainly composed, Wheel hub, brake drum, semi-axis, stopper etc. constitute, and the transaxle shell adopts the whole casting form, and 5 to 10 tons of transaxle assemblies mainly comprise parts such as main reducer, differential mechanism, hub reduction gear, semi-axis and axle housing, wheel hub, brake drum, must have correct connection and fit clearance between each part, simultaneously, along with the structural adjustment of fork truck product, the transaxle product still constantly to the strong commonality, low noise, the wet-type non-maintaining braking's technical direction development. In the floating oil seal for the drive axle in the existing market, the rubber sealing ring is clamped on the surface of the drive axle shell through self elasticity, and the rubber sealing ring is not tightly connected in a hardening way easily after being used for a long time, so that a gap is generated between the drive axle shell and the drive axle top cover, and the sealing performance of the drive axle is not strong.
Disclosure of Invention
The invention aims to provide a floating oil seal for a forklift drive axle with high sealing performance, and the floating oil seal is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a floating oil seal with high sealing performance for a forklift drive axle comprises a drive axle shell, wherein the upper surface of the drive axle shell is movably connected with the lower surface of a drive axle top cover, the surface of the drive axle top cover is provided with a fixed bolt hole, the inner wall of the fixed bolt hole is in threaded connection with the surface of a top cover fixed bolt, the upper surface of the drive axle top cover is provided with a movable hole, the inner wall of the movable hole is movably connected with the surface of a movable pipe, the inner wall of the movable pipe is movably connected with the surface of a sealing rod, the upper surface of the drive axle top cover is movably connected with the bottom surface of a rotary clamping plate, the surface of the rotary clamping plate is provided with a rotary bolt hole, the inner wall of the rotary bolt hole is in threaded connection with the surface of a rotary bolt, the surface of the sealing rod is movably connected with the surface of a lifting transverse plate, the side surface of the lifting transverse plate is movably connected with the surface of a connecting rod, the surface of connecting rod and the surface threaded connection of second connecting bolt, the surface of second connecting bolt and the surface threaded connection of left fixed clamping bar, the inner wall of left side fixed clamping bar and the surface swing joint of bull stick, the surface of bull stick and the inner wall swing joint of right fixed clamping bar, the surface of left side fixed clamping bar and right fixed clamping bar and the inner wall fixed connection of rubber sleeve, the surface of transaxle shell and the side joint of unsteady oil blanket circle.
Preferably, the number of the top cover fixing bolts is two, and the two top cover fixing bolts are respectively in threaded connection with the inner wall of the fixing bolt hole by taking the vertical center line of the front surface of the sealing rod as a symmetry axis.
Preferably, the surface of the lifting transverse plate is provided with a through hole matched with the diameter of the sealing rod.
Preferably, the surfaces of the left fixing clamping rod and the right fixing clamping rod are respectively provided with through holes matched with the diameter of the rotating rod.
Preferably, the number of the first connecting bolt and the second connecting bolt is two, and the first connecting bolt and the second connecting bolt are respectively and fixedly connected to the surface of the connecting rod by taking the vertical center line of the front surface of the drive axle shell as a symmetry axis.
Preferably, the surface of the rubber sleeve is provided with a through groove matched with the diameters of the left fixing clamping rod and the right fixing clamping rod.
Advantageous effects
The invention provides a floating oil seal with strong sealing performance for a forklift drive axle, which has the following beneficial effects:
1. this fork truck floating oil seal for transaxle that leakproofness is strong, through slip movable tube to transaxle top cap surface, make the lift diaphragm descend, lift diaphragm fixed surface connection's connecting rod makes left fixed clamping bar and right fixed clamping bar keep the horizontality, the rubber sleeve of left fixed clamping bar and right fixed clamping bar fixed surface connection withstands floating oil seal circle surface, the floating oil seal circle that makes long-time use harden still hugs closely on transaxle shell surface, the strong effect of leakproofness has been reached.
2. This fork truck floating oil seal for transaxle that leakproofness is strong through twisting the top cap gim peg, makes the transaxle top cap fix on transaxle shell surface, and transaxle top cap top surface swing joint has rotatory cardboard, rotates rotatory cardboard, and the activity pipe joint is at the activity hole inner wall, and activity pipe inner wall swing joint's sealing rod makes the transaxle sealed to be convenient for open the transaxle top cap, reached the effect of being convenient for change floating oil seal.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at C in FIG. 1 according to the present invention.
In the figure: 1 transaxle shell, 2 transaxle top covers, 3 gim peg holes, 4 top cover gim pegs, 5 movable holes, 6 movable tubes, 7 sealing rods, 8 rotatory keyhole, 9 rotatory bolts, 10 rotatory cardboard, 11 lift diaphragms, 12 first connecting bolts, 13 connecting rods, 14 second connecting bolts, 15 left fixed clamping bars, 16 right fixed clamping bars, 17 bull sticks, 18 rubber sleeves, 19 oil blanket circles that float.
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. 1-4, the present invention provides a technical solution: a floating oil seal with strong sealing performance for a forklift drive axle comprises a drive axle shell 1, wherein the upper surface of the drive axle shell 1 is movably connected with the lower surface of a drive axle top cover 2, fixing bolt holes 3 are formed in the surface of the drive axle top cover 2, the inner walls of the fixing bolt holes 3 are in threaded connection with the surfaces of top cover fixing bolts 4, the number of the top cover fixing bolts 4 is two, the two top cover fixing bolts 4 are respectively in threaded connection with the inner walls of the fixing bolt holes 3 by taking the front vertical central line of a sealing rod 7 as a symmetrical axis, the upper surface of the drive axle top cover 2 is provided with a movable hole 5, the inner wall of the movable hole 5 is movably connected with the surface of a movable pipe 6, the inner wall of the movable pipe 6 is movably connected with the surface of the sealing rod 7, the upper surface of the drive axle top cover 2 is movably connected with the bottom surface of a rotary clamping plate 10, the surface of the rotary clamping plate 10 is provided with a rotary bolt hole, the drive axle top cover 2 is fixed on the surface of a drive axle shell 1 by screwing a top cover fixing bolt 4, the top surface of the drive axle top cover 2 is movably connected with a rotary clamping plate 10, the rotary clamping plate 10 is rotated, a movable pipe 6 is clamped on the inner wall of a movable hole 5, a sealing rod 7 movably connected with the inner wall of the movable pipe 6 seals the drive axle, so that the drive axle top cover 2 is convenient to open, the effect of facilitating the replacement of a floating oil seal is achieved, the surface of the sealing rod 7 is movably connected with the surface of a lifting transverse plate 11, the surface of the lifting transverse plate 11 is provided with a through hole matched with the diameter of the sealing rod 7, the side surface of the lifting transverse plate 11 is movably connected with the surface of a connecting rod 13, the surface of the connecting rod 13 is in threaded connection with the surface of a first connecting bolt 12, the first connecting bolt 12 and the second connecting bolt 14 are respectively two in number, and the first connecting bolt 12 and the second connecting bolt 14 take, the connecting rods are respectively and fixedly connected to the surface of a connecting rod 13, the surface of the connecting rod 13 is in threaded connection with the surface of a second connecting bolt 14, the surface of the second connecting bolt 14 is in threaded connection with the surface of a left fixed clamping rod 15, the inner wall of the left fixed clamping rod 15 is movably connected with the surface of a rotating rod 17, through holes matched with the diameter of the rotating rod 17 are respectively formed in the surfaces of the left fixed clamping rod 15 and a right fixed clamping rod 16, the surface of the rotating rod 17 is movably connected with the inner wall of the right fixed clamping rod 16, the surfaces of the left fixed clamping rod 15 and the right fixed clamping rod 16 are fixedly connected with the inner wall of a rubber sleeve 18, a through groove matched with the diameter of the left fixed clamping rod 15 and the right fixed clamping rod 16 is formed in the surface of a drive axle shell 1, the surface of the drive axle shell 1 is clamped with the side surface of a floating oil seal ring 19, a lifting transverse plate 11 is lowered by sliding a movable tube 6 to the surface of a drive axle top cover, the left fixed clamping rod 15 and the right fixed clamping rod 16 are kept in a horizontal state, the rubber sleeve 18 fixedly connected with the surfaces of the left fixed clamping rod 15 and the right fixed clamping rod 16 props against the surface of the floating oil seal ring 19, so that the floating oil seal ring 19 hardened after long-time use is still tightly attached to the surface of the drive axle shell 1, and the effect of high sealing performance is achieved.
The working principle is as follows: when the floating oil seal for the forklift drive axle with strong sealing performance is used, the floating oil seal ring 19 is clamped on the surface of the drive axle shell 1, the drive axle top cover 2 is placed on the surface of the drive axle shell 1, the top cover fixing bolt 4 is screwed to fix the drive axle top cover 2 on the surface of the drive axle shell 1, the top surface of the drive axle top cover 2 is movably connected with the rotary clamping plate 10, the rotary clamping plate 10 is rotated, the movable pipe 6 is clamped on the inner wall of the movable hole 5, the sealing rod 7 movably connected with the inner wall of the movable pipe 6 seals the drive axle, so that the drive axle top cover 2 is convenient to open, the movable pipe 6 is slid to the surface of the drive axle top cover 2, the lifting transverse plate 11 is descended, the connecting rod 13 fixedly connected with the surface of the lifting transverse plate 11 enables the left fixed clamping rod 15 and the right fixed clamping rod 16 to be kept in a horizontal state, the rubber sleeve 18 fixedly connected with the surfaces of the left, the floating oil seal ring 19 hardened after long-time use is still tightly attached to the surface of the drive axle shell 1, and the effect of strong sealing performance is achieved.
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 (6)
1. The utility model provides a fork truck that leakproofness is strong floating oil seal for transaxle, includes transaxle shell (1), its characterized in that: the upper surface of the drive axle shell (1) is movably connected with the lower surface of a drive axle top cover (2), the surface of the drive axle top cover (2) is provided with a fixed bolt hole (3), the inner wall of the fixed bolt hole (3) is in threaded connection with the surface of a top cover fixed bolt (4), the upper surface of the drive axle top cover (2) is provided with a movable hole (5), the inner wall of the movable hole (5) is movably connected with the surface of a movable pipe (6), the inner wall of the movable pipe (6) is movably connected with the surface of a sealing rod (7), the upper surface of the drive axle top cover (2) is movably connected with the bottom surface of a rotating clamping plate (10), the surface of the rotating clamping plate (10) is provided with a rotating bolt hole (8), the inner wall of the rotating bolt hole (8) is in threaded connection with the surface of a rotating bolt (9), and the surface of the sealing rod (7) is movably connected with the surface of a lifting transverse plate (11), the side of lift diaphragm (11) and the surperficial swing joint of connecting rod (13), the surface of connecting rod (13) and the surperficial threaded connection of first connecting bolt (12), the surface of connecting rod (13) and the surperficial threaded connection of second connecting bolt (14), the surface of second connecting bolt (14) and the surperficial threaded connection of left fixed clamping bar (15), the inner wall of left side fixed clamping bar (15) and the surface swing joint of bull stick (17), the surface of bull stick (17) and the inner wall swing joint of right fixed clamping bar (16), the surface of left side fixed clamping bar (15) and right fixed clamping bar (16) and the inner wall fixed connection of rubber sleeve (18), the surface of transaxle shell (1) and the side joint of unsteady oil blanket (19).
2. The floating oil seal with high sealing performance for the forklift drive axle according to claim 1, wherein: the number of the top cover fixing bolts (4) is two, and the two top cover fixing bolts (4) are respectively in threaded connection with the inner wall of the fixing bolt hole (3) by taking the vertical center line of the front surface of the sealing rod (7) as a symmetry axis.
3. The floating oil seal with high sealing performance for the forklift drive axle according to claim 1, wherein: the surface of the lifting transverse plate (11) is provided with a through hole matched with the diameter of the sealing rod (7).
4. The floating oil seal with high sealing performance for the forklift drive axle according to claim 1, wherein: through holes matched with the diameter of the rotating rod (17) are respectively formed in the surfaces of the left fixing clamping rod (15) and the right fixing clamping rod (16).
5. The floating oil seal with high sealing performance for the forklift drive axle according to claim 1, wherein: the number of the first connecting bolts (12) and the number of the second connecting bolts (14) are respectively two, and the first connecting bolts (12) and the second connecting bolts (14) are respectively fixedly connected to the surface of the connecting rod (13) by taking the vertical center line of the front surface of the drive axle shell (1) as a symmetry axis.
6. The floating oil seal with high sealing performance for the forklift drive axle according to claim 1, wherein: the surface of the rubber sleeve (18) is provided with a through groove matched with the diameters of the left fixing clamping rod (15) and the right fixing clamping rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331432.XA CN113007328A (en) | 2019-12-21 | 2019-12-21 | Fork truck that leakproofness is strong floating oil seal for transaxle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331432.XA CN113007328A (en) | 2019-12-21 | 2019-12-21 | Fork truck that leakproofness is strong floating oil seal for transaxle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007328A true CN113007328A (en) | 2021-06-22 |
Family
ID=76382818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911331432.XA Withdrawn CN113007328A (en) | 2019-12-21 | 2019-12-21 | Fork truck that leakproofness is strong floating oil seal for transaxle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113007328A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207701687U (en) * | 2017-12-19 | 2018-08-07 | 江苏仁合众信智能科技有限公司 | A kind of rotary reducer improving worm screw sealing structure |
| CN108895152A (en) * | 2018-06-26 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | A kind of vehicle bridge double reduction device assembly structure |
| CN109624613A (en) * | 2019-01-25 | 2019-04-16 | 朱晨钰 | A kind of driving axle of forklift shell |
-
2019
- 2019-12-21 CN CN201911331432.XA patent/CN113007328A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207701687U (en) * | 2017-12-19 | 2018-08-07 | 江苏仁合众信智能科技有限公司 | A kind of rotary reducer improving worm screw sealing structure |
| CN108895152A (en) * | 2018-06-26 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | A kind of vehicle bridge double reduction device assembly structure |
| CN109624613A (en) * | 2019-01-25 | 2019-04-16 | 朱晨钰 | A kind of driving axle of forklift shell |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210622 |
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| WW01 | Invention patent application withdrawn after publication |