CN115502930A - Reducer oil seal dismounting tool and using method - Google Patents
Reducer oil seal dismounting tool and using method Download PDFInfo
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- CN115502930A CN115502930A CN202211276963.5A CN202211276963A CN115502930A CN 115502930 A CN115502930 A CN 115502930A CN 202211276963 A CN202211276963 A CN 202211276963A CN 115502930 A CN115502930 A CN 115502930A
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000000694 effects Effects 0.000 claims abstract description 22
- 210000000078 claw Anatomy 0.000 claims description 17
- 239000003302 ferromagnetic material Substances 0.000 claims description 16
- 230000008093 supporting effect Effects 0.000 claims description 13
- 239000000696 magnetic material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 113
- 230000009467 reduction Effects 0.000 abstract description 12
- 239000012208 gear oil Substances 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0028—Tools for removing or installing seals
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Abstract
The application relates to a speed reducer oil seal dismounting tool and a using method, and belongs to the technical field of oil seal dismounting tools. The method comprises the following steps: the outer cylinder body is of a hollow cylindrical pipe body structure, and a plurality of radial holes are formed in the side wall of one end of the outer cylinder body; the movable clamping jaws are arranged in the radial holes and move in a reciprocating manner along the radial direction of the outer cylinder body; the internal rotator, this internal rotator coaxial position in the outer barrel is inside, and with a plurality of the activity jack catch is connected, internal rotator rotates so that a plurality of in outer barrel the activity jack catch removes with the direction of being close to each other and keeping away from each other. This application accessible internal rotor adjusts movable jack catch extension length to be suitable for different specification oil seals, and can steadily, must dismantle the oil blanket that damages down smoothly, do not damage reduction gear oil blanket installation inside diameter face simultaneously.
Description
Technical Field
The application relates to the technical field of oil seal disassembling tools, in particular to a speed reducer oil seal disassembling tool and a using method.
Background
The speed reducer is an important part in a power assembly system of the vehicle, and is used for reducing the speed and increasing the torque of the driving force output by the power assembly system and then transmitting the driving force to the driving wheels to drive the vehicle to run. The speed reducer is connected with the driving wheels through a half shaft in a transmission mode, and the half shaft can extend into the speed reducer through an output end hole in the speed reducer shell.
In order to ensure the sealing performance of the connection position of the half shaft and the speed reducer, an oil seal is usually arranged at the output end hole of the speed reducer. The oil seal is generally pre-installed in an output end hole of the speed reducer and then forms interference fit with the half shaft when the whole automobile is assembled. If the oil blanket is by the fish tail in the transportation of reduction gear or whole car assembling process, then can lose sealed effect. Therefore, when the reducer leaves the factory, the oil seal needs to be protected, and an opening of the oil seal needs to be sealed.
Among the correlation technique, the oil blanket is the vulnerable part, when changing the oil blanket that damages, needs take out the oil blanket in the output terminal hole of reduction gear. When the oil seal is disassembled, the oil seal is difficult to disassemble, the inner diameter surface of the oil seal for installing the speed reducer shell is easily damaged, the oil seal of secondary assembly is poor in sealing or is not concentric, the sealing effect cannot be achieved, and therefore the scrapped huge loss of the whole speed reducer is caused.
Disclosure of Invention
The embodiment of the application provides a reducer oil seal dismounting tool and a using method thereof, and aims to solve the problems that when an oil seal is dismounted in the related technology, the oil seal is difficult to dismount, and the inner diameter surface of the oil seal of a reducer shell is easy to damage.
The first aspect of the embodiment of the application provides a reduction gear oil blanket extracting tool, includes:
the outer cylinder body is of a hollow cylindrical pipe body structure, and a plurality of radial holes are formed in the side wall of one end of the outer cylinder body;
a plurality of movable clamping jaws are arranged, are respectively positioned in the radial holes and reciprocate along the radial direction of the outer cylinder body;
the internal rotator, internal rotator coaxial position is in inside the outer barrel, and with a plurality of the activity jack catch is connected, internal rotator rotates so that it is a plurality of at outer barrel the activity jack catch removes with the direction of being close to each other and keeping away from each other.
In some embodiments: the inner rotor is close to a plurality of one end of the movable jaw is provided with an upper plane thread connected with the movable jaw, and one end of the movable jaw close to the inner rotor is provided with a lower plane thread connected with the inner rotor.
In some embodiments: the side wall of one end of the inner rotating body is provided with a guide protruding block which is connected with the movable clamping jaws in a sliding mode, and the guide protruding block is provided with an arc surface which is connected with the movable clamping jaws in a sliding mode and forces the movable clamping jaws to move in a reciprocating mode along the radial direction of the outer barrel.
In some embodiments: the guide lug is a permanent magnet, the movable clamping jaws are made of ferromagnetic materials attracted by the guide lug, the outer cylinder body is made of non-ferromagnetic materials, and the inner rotating body drives the guide lug to rotate forward and backward so as to drive the movable clamping jaws to move in directions of approaching to each other and departing from each other.
In some embodiments: the side wall of one end of the inner rotating body is provided with a guide conical surface which is in sliding connection with the movable clamping jaws, and the guide conical surface is provided with an arc surface which is in sliding connection with the movable clamping jaws and forces the movable clamping jaws to reciprocate along the radial direction of the outer barrel.
In some embodiments: the inner rotating body and the outer barrel are connected through threads so that the inner rotating body can axially move in the outer barrel, the guide conical surface is provided with a permanent magnetic material layer, the movable clamping jaws are made of ferromagnetic materials attracted by the permanent magnetic material layer, and the outer barrel is made of non-ferromagnetic materials.
In some embodiments: be equipped with the bearing between interior rotor and the outer barrel, the bearing is equipped with two and is located the both ends of interior rotor respectively to be in interior rotor axial positioning the urceolus is internal, the one end that movable jaw was kept away from to interior rotor is equipped with the twist grip who rotates interior rotor.
In some embodiments: the outer barrel is characterized in that the outer wall of the outer barrel is in threaded connection with a fixed support, the fixed support is provided with a plurality of support legs, each support leg is in threaded connection with an adjusting screw rod, and the outer barrel is provided with a handle for rotating the outer barrel.
In some embodiments: one end of the outer cylinder body close to the movable clamping jaws is provided with an end cover for sealing the outer cylinder body, and the movable clamping jaws are mutually attached to and slidably connected with the end cover.
A second aspect of the embodiments of the present application provides a method for using a reducer oil seal dismounting tool, where the method uses the reducer oil seal dismounting tool according to any one of the embodiments, and the method includes the following steps:
the outer cylinder body extends into an oil seal position in an oil seal mounting hole of the speed reducer, and the inner rotor is rotated to enable the movable jaws to move in a direction away from each other;
when the movable claws extend out of the outer cylinder body and abut against the end face of the oil seal framework, the fixed support is rotated, and a plurality of support legs on the fixed support are attached to the speed reducer shell;
when the outer cylinder body is not coaxial with the oil seal mounting hole, adjusting the adjusting screw on the supporting leg to enable the outer cylinder body to be coaxial with the oil seal mounting hole;
and rotating the handle to enable the outer cylinder body to rotate relative to the fixed support, and pulling the oil seal out of the oil seal mounting hole by the outer cylinder body through the plurality of movable clamping jaws under the supporting action of the fixed support.
The technical scheme who provides this application brings beneficial effect includes:
the embodiment of the application provides a speed reducer oil seal dismounting tool and a using method thereof, and the speed reducer oil seal dismounting tool is provided with an outer cylinder body which is of a hollow cylindrical pipe body structure, and a plurality of radial holes are formed in the side wall of one end of the outer cylinder body; the movable clamping jaws are arranged in plurality and are respectively positioned in the radial holes and move in a reciprocating manner along the radial direction of the outer cylinder body; interior rotor, this internal rotating body is coaxial to be located inside the outer barrel, and be connected with a plurality of activity jack catchs, the internal rotating body rotates so that a plurality of activity jack catchs move with the direction of being close to each other and keeping away from each other at outer barrel.
Consequently, the reduction gear oil blanket extracting tool of this application is equipped with movable jack catch respectively in the radial hole of outer barrel, and this activity jack catch can be in order to be close each other and keep away from the direction removal each other under the rotation of rotor including to make the length of stretching out of a plurality of movable jack catches adjustable, and then the not unidimensional oil blanket of adaptation. When a plurality of movable claws extend to a set length and are attached to the end face of the oil seal, the oil seal to be replaced is pulled out from an oil seal mounting hole of the speed reducer by pulling the outer cylinder body. The movable jaw extending length is adjusted to rotor in this application accessible to be suitable for different specification oil seals, and can steadily, must dismantle the oil blanket that damages down smoothly, do not damage reduction gear oil blanket installation inside diameter face simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application;
FIG. 3 is a schematic structural diagram of an outer cylinder according to an embodiment of the present application;
fig. 4 is a schematic structural view of a rotor in an embodiment of the present application;
FIG. 5 is a schematic structural view of a movable jaw in the embodiment of the present application;
FIG. 6 is a schematic structural diagram of a fixing support according to an embodiment of the present application;
FIG. 7 is a top view of another embodiment of the present application;
FIG. 8 is a cross-sectional view of a structure according to yet another embodiment of the present application.
Reference numerals are as follows:
1. an outer cylinder; 2. a movable jaw; 3. an inner rotor; 4. a fixed support; 5. adjusting the screw rod; 6. a handle; 7. rotating the handle; 8. a bearing; 9. an end cap; 11. a radial bore; 21. a lower plane thread; 31. an upper flat thread; 32. a limiting ring; 33. a guide projection; 34. a guiding conical surface; 41. a threaded hole; 42. and (5) a support leg.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
The embodiment of the application provides a reducer oil seal dismounting tool and a using method thereof, and the problem that when an oil seal is dismounted in the related technology, the oil seal is difficult to dismount, and the inner diameter surface of the oil seal of a reducer shell is easy to damage can be solved.
Referring to fig. 1 to 3, 7 and 8, in a first aspect, an embodiment of the present application provides a reducer oil seal removing tool, including:
The movable jaw 2, this movable jaw 2's quantity is the same with radial hole 11's quantity, and the movable jaw 2 of this application embodiment is equipped with threely, and is three movable jaw 2 is located the radial hole 11 of outer barrel 1 respectively, and along the radial direction reciprocating motion of outer barrel 1, and then makes movable jaw 2 stretch out or retract outer barrel 1.
The reduction gear oil blanket extracting tool of this application embodiment is equipped with movable jack catch 2 in the radial hole 11 of outer barrel 1 respectively, should move about the jack catch 2 and can move with the direction of keeping away from each other with being close to each other under the rotation of inner rotor 3 to make a plurality of movable jack catch 2 stretch out the length adjustable, and then the not unidimensional oil blanket of adaptation.
When a plurality of movable claws 2 stretch out to set length and are attached to the end face of an oil seal, the oil seal to be replaced is pulled out from an oil seal mounting hole of the speed reducer by pulling the outer cylinder body 1. 3 regulation activity jack catchs 2 extension lengths in this application accessible to be suitable for different specification oil seals, and can steadily, must dismantle the oil blanket that damages down smoothly, do not damage reduction gear oil blanket installation inside diameter face simultaneously.
In some alternative embodiments: referring to fig. 1 to 5, the present embodiment provides a reducer oil seal removing tool, in which an end of an inner rotor 3 close to three movable jaws 2 is provided with an upper plane thread 31 in threaded connection with the movable jaws 2, and an end of the movable jaws 2 close to the inner rotor 3 is provided with a lower plane thread 21 in threaded connection with the inner rotor 3.
The upper plane threads 31 and the lower plane threads 21 are matched Archimedes spiral curves, when the inner rotor 3 rotates in the forward direction and the reverse direction, the upper plane threads 31 and the lower plane threads 21 are matched with each other, the movable clamping jaws 2 move in the direction close to and far away from the axis of the inner rotor 3, and the telescopic motion of the movable clamping jaws 2 in the radial hole 11 of the outer cylinder 1 is realized.
In some alternative embodiments: referring to fig. 7, the present embodiment provides a reducer oil seal removing tool, in which three guide protrusions 33, which are slidably connected to three movable jaws 2, are provided on a side wall of one end of an inner rotor 3 of the reducer oil seal removing tool. The guide convex block 33 is provided with an arc surface which is connected with the movable jaw 2 in a sliding way and forces the movable jaw 2 to move back and forth along the radial direction of the outer cylinder 1.
The embodiment of the application is provided with three guide convex blocks 33 which are respectively connected with the three movable clamping jaws 2 in a sliding manner on the side wall of one end of the inner rotating body 3, and the guide convex blocks 33 are gradually convex outwards along the radial direction of the inner rotating body 3. One end of the movable clamping jaw 2 is connected with the arc surface of the guide convex block 33 in a sliding way, and the movable clamping jaw 2 is gradually forced to extend out of the outer cylinder body 1 when the inner rotor 3 rotates.
Three guide projections 33 are formed with three valleys and three valleys on the line connecting the outer peripheries of the rotating body 3, the movable jaw 2 is extended to the maximum length when one end of the movable jaw 2 is positioned at the valley position of the guide projections 33, and the movable jaw 2 is extended to the minimum length when one end of the movable jaw 2 is positioned at the valley position between the two guide projections 33.
In some alternative embodiments: referring to fig. 7, the embodiment of the present application provides a reducer oil seal dismounting tool, in which the guide convex block 33 of the reducer oil seal dismounting tool is a permanent magnet, the movable jaw 2 is a ferromagnetic material attracted by the guide convex block 33, and the outer cylinder 1 is a non-ferromagnetic material. The inner rotating body 3 drives the guide protrusions 33 to rotate in the forward and reverse directions to drive the plurality of movable claws 2 to move in the directions to approach and separate from each other.
The guide lug 33 of the embodiment of the application is a permanent magnet, the movable jaw 2 is made of ferromagnetic material attracted by the guide lug 33, and the outer cylinder 1 is made of non-ferromagnetic material. The guide projection 33 attracts the movable jaw 2 so that the movable jaw 2 can be always attached to the guide projection 33, and when the inner rotor 3 is rotated in the reverse direction, the guide projection 33 withdraws the movable jaw 2 into the outer cylinder 1 by attracting the movable jaw 2.
In this application embodiment for can be with in the outer barrel 1 of movable jaw 2 withdrawal, except that the aforesaid utilizes magnet attraction, technical personnel in the art can also set up the slip track through movable jaw 2 and be connected between the lug 33 that leads, drive movable jaw 2 withdrawal in outer barrel 1 under the slip track's slip connection effect when the lug 33 that leads rotates.
In some alternative embodiments: referring to fig. 8, the present embodiment provides a reducer oil seal removing tool, in which a guide tapered surface 34 slidably connected to a plurality of movable claws 2 is provided on a side wall of one end of an inner rotor 3 of the reducer oil seal removing tool. The guiding conical surface 34 is provided with an arc surface which is connected with the movable jaw 2 in a sliding way and forces the movable jaw 2 to move back and forth along the radial direction of the outer cylinder 1.
In the embodiment of the present application, a guiding conical surface 34 slidably connected to the three movable claws 2 is disposed on a side wall of one end of the inner rotor 3, and the guiding conical surface 34 is gradually reduced downward along the axial direction of the inner rotor 3. One end of the movable clamping jaw 2 is connected with the arc surface of the guide conical surface 34 in a sliding way, and the movable clamping jaw 2 is gradually forced to extend out of the outer cylinder 1 when the inner rotor 3 moves axially in the outer cylinder 1.
When one end of the movable jaw 2 is positioned at the maximum cross-sectional position of the guide taper 34, the movable jaw 2 is extended to the maximum length, and when one end of the movable jaw 2 is positioned at the minimum cross-sectional position of the guide taper 34, the movable jaw 2 is extended to the minimum length.
In some alternative embodiments: referring to fig. 8, in the present application, an inner rotor 3 of the speed reducer oil seal removal tool is connected to an outer cylinder 1 through a thread, so that the inner rotor 3 axially moves in the outer cylinder 1, a permanent magnetic material layer is arranged on a guiding conical surface 34, a movable jaw 2 is made of a ferromagnetic material attracted by the permanent magnetic material layer, and the outer cylinder is made of a non-ferromagnetic material.
The guiding conical surface 34 of the embodiment of the application is provided with the permanent magnetic material layer, the movable jaw 2 is made of ferromagnetic materials attracted by the permanent magnetic material layer, and the outer cylinder body 1 is made of non-ferromagnetic materials. The permanent magnetic material layer attracts the movable jaw 2 so that the movable jaw 2 can be always attached to the guide conical surface 34, and when the inner rotating body 3 rotates forward and backward, the guide conical surface 34 attracts the movable jaw 2 through the permanent magnetic material layer to extend the movable jaw 2 out of the outer cylinder body 1 or retract the movable jaw 2 into the outer cylinder body 1.
In order to be able to extend the movable jaw 2 out of the outer cylinder 1 or retract into the outer cylinder 1 in the embodiment of the present application, besides the above-mentioned attraction by the magnet, a person skilled in the art can also connect through the sliding track arranged between the movable jaw 2 and the guiding conical surface 34, and when the guiding conical surface 34 moves up and down, the movable jaw 2 is driven to extend out of the outer cylinder 1 or retract into the outer cylinder 1 under the sliding connection effect of the sliding track.
In some alternative embodiments: referring to fig. 1 to 4, the embodiment of the present application provides a reducer oil seal removing tool, a bearing 8 is disposed between an inner rotating body 3 and an outer cylinder 1 of the reducer oil seal removing tool, the bearing 8 is disposed at two ends of the inner rotating body 3, and the inner rotating body 3 is axially positioned in the outer cylinder 1. And a rotating handle 7 for rotating the inner rotating body 3 is arranged at one end of the inner rotating body 3 far away from the movable clamping jaw 2.
The embodiment of the application is provided with the bearing 8 between the inner rotor 3 and the outer cylinder 1 to realize the coaxial connection between the inner rotor 3 and the outer cylinder 1 and enable the inner rotor 3 to freely rotate relative to the outer cylinder 1. Two ends of the inner rotating body 3 are respectively provided with a limiting ring 32, the two limiting rings 32 are used for mutually separating the two bearings 8, and a hole retainer ring for positioning the two bearings 8 in the outer cylinder body 1 is also arranged in the outer cylinder body 1 so as to axially position the two bearings in the outer cylinder body 1.
In some alternative embodiments: referring to fig. 1, 2 and 6, the embodiment of the present application provides a reducer oil seal removing tool, in which a fixing support 4 is screwed on an outer wall of an outer cylinder 1 of the reducer oil seal removing tool, and a threaded hole 41 which is screwed with the outer cylinder 1 is formed in the fixing support 4. The fixed support 4 is provided with a plurality of support legs 42, each support leg 42 is respectively in threaded connection with an adjusting screw 5, and the outer cylinder 1 is provided with a handle 6 for rotating the outer cylinder 1.
An end cover 9 for sealing the outer cylinder body is arranged at one end, close to the movable clamping jaws 2, of the outer cylinder body 1, and the three movable clamping jaws 2 are mutually attached to and slidably connected with the end cover 9. This application embodiment threaded connection has fixing support 4 on the outer wall of outer barrel 1, is equipped with on fixing support 4 with outer barrel 1 threaded connection's screw hole 41, and this fixing support 4 still is equipped with a plurality of stabilizer blades 42, and a plurality of stabilizer blades 42 are used for through fixing support 4 with outer barrel 1 coaxial positioning in the oil blanket mounting hole of reduction gear.
An adjusting screw 5 is respectively screwed to each leg 42, and the adjusting screw 5 is used for stably positioning the fixing support 4 on the reducer case by extending or shortening the adjusting screw 5 when the legs 42 cannot be stably contacted with the reducer case. Be equipped with the handle 6 that rotates outer barrel 1 on the outer barrel 1, the outer barrel 1 is rotated to the handheld handle 6 of workman, and outer barrel 1 drives the oil blanket through activity jack catch 2 and outwards pulls out the oil blanket to realize steadily, must dismantle the oil blanket that damages down smoothly, do not damage reduction gear oil blanket installation inside diameter face simultaneously.
Referring to fig. 1 to 5, a second aspect of the embodiments of the present application provides a method for using a decelerator oil seal removing tool, the method using the decelerator oil seal removing tool according to any one of the embodiments, the method including the following steps:
when the inner rotor 3 is rotated in the forward and reverse directions, the three movable claws 2 are moved in directions to approach and separate from each other by the cooperation of the upper flat threads 31 and the lower flat threads 21, thereby fitting an oil seal of an unused size.
when the legs 42 are not in stable contact with the gear case, the adjusting screw 5 assists the supporting legs 42 in stably positioning the fixing mount 4 on the gear case by extending or shortening the adjusting screw 5.
And 3, when the outer cylinder body 1 is not coaxial with the oil seal mounting hole, adjusting the adjusting screw rods 5 on the supporting legs 42 again to enable the outer cylinder body 1 to be coaxial with the oil seal mounting hole, so that the three movable clamping jaws 2 can be uniformly stressed when the oil seal is dismounted, and the mounting surface of the oil seal mounting hole is prevented from being damaged.
And 4, rotating the handle 6 to enable the outer cylinder body 1 to rotate relative to the fixed support 4, and pulling the oil seal out of the oil seal mounting hole by the outer cylinder body 1 through the three movable jaws 2 under the supporting action of the fixed support 4.
Referring to fig. 7, a third aspect of the embodiments of the present application provides a method for using a decelerator oil seal removing tool, the method using the decelerator oil seal removing tool according to any one of the embodiments, the method including the following steps:
when the legs 42 are not in stable contact with the gear case, the adjusting screw 5 assists the supporting legs 42 in stably positioning the fixing mount 4 on the gear case by extending or shortening the adjusting screw 5.
And 3, when the outer cylinder body 1 is not coaxial with the oil seal mounting hole, adjusting the adjusting screw rods 5 on the supporting legs 42 again to enable the outer cylinder body 1 to be coaxial with the oil seal mounting hole, so that the three movable clamping jaws 2 can be uniformly stressed when the oil seal is disassembled, and the mounting surface of the oil seal mounting hole is prevented from being damaged.
And 4, rotating the handle 6 to enable the outer cylinder body 1 to rotate relative to the fixed support 4, and pulling the oil seal out of the oil seal mounting hole by the outer cylinder body 1 through the three movable claws 2 under the supporting action of the fixed support 4.
Referring to fig. 8, a fourth aspect of the embodiments of the present application provides a method for using a decelerator oil seal removing tool, the method using the decelerator oil seal removing tool according to any one of the embodiments, the method including the following steps:
when the legs 42 are not in stable contact with the retarder housing, the adjusting screw 5 assists the supporting legs 42 in stably positioning the fixing mount 4 on the retarder housing by extending or shortening the adjusting screw 5.
And 3, when the outer cylinder body 1 is not coaxial with the oil seal mounting hole, adjusting the adjusting screw rods 5 on the supporting legs 42 again to enable the outer cylinder body 1 to be coaxial with the oil seal mounting hole, so that the three movable clamping jaws 2 can be uniformly stressed when the oil seal is disassembled, and the mounting surface of the oil seal mounting hole is prevented from being damaged.
And 4, rotating the handle 6 to enable the outer cylinder body 1 to rotate relative to the fixed support 4, and pulling the oil seal out of the oil seal mounting hole by the outer cylinder body 1 through the three movable jaws 2 under the supporting action of the fixed support 4.
Principle of operation
The embodiment of the application provides a speed reducer oil seal dismounting tool and a using method thereof, and the speed reducer oil seal dismounting tool is provided with an outer cylinder body 1, wherein the outer cylinder body 1 is of a hollow cylindrical pipe body structure, and a plurality of radial holes 11 are formed in the side wall of one end of the outer cylinder body 1; a plurality of movable clamping jaws 2 are arranged, and the movable clamping jaws 2 are respectively positioned in the radial holes 11 and reciprocate along the radial direction of the outer cylinder 1; the inner rotating body 3 is coaxially arranged inside the outer cylinder body 1 and is connected with the movable clamping jaws 2, and the inner rotating body 3 rotates in the outer cylinder body 1 to enable the movable clamping jaws 2 to move in directions close to and away from each other.
Consequently, the reduction gear oil blanket extracting tool of this application is equipped with movable jack catch 2 respectively in the radial hole 11 of outer barrel 1, should move about jack catch 2 and move with the direction of keeping away from each other with being close to each other under the rotation of inner rotor 3 to make a plurality of movable jack catch 2 stretch out the length adjustable, and then the not unidimensional oil blanket of adaptation. When a plurality of movable claws 2 stretch out to set length and are attached to the end face of an oil seal, the oil seal to be replaced is pulled out from an oil seal mounting hole of the speed reducer by pulling the outer cylinder body 1. The movable jaw 2 extension length is adjusted to rotor in this application accessible to be suitable for different specification oil seals, and can steadily, must dismantle the oil blanket that damages down smoothly, do not damage reduction gear oil blanket installation inside diameter face simultaneously.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
It is noted that, in this application, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A speed reducer oil seal extracting tool is characterized by comprising:
the device comprises an outer cylinder body (1), wherein the outer cylinder body (1) is of a hollow cylindrical pipe body structure, and a plurality of radial holes (11) are formed in the side wall of one end of the outer cylinder body (1);
the movable clamping jaws (2) are arranged in a plurality, and the movable clamping jaws (2) are respectively positioned in the radial holes (11) and reciprocate along the radial direction of the outer cylinder body (1);
interior rotor (3), interior rotor (3) are coaxial to be located inside outer barrel (1), and with a plurality of activity jack catch (2) are connected, interior rotor (3) are in outer barrel (1) internal rotation in order to make a plurality of activity jack catch (2) are with being close each other and keep away from the direction removal each other.
2. A decelerator oil seal removing tool as claimed in claim 1, wherein:
interior rotor (3) are close to a plurality of the one end of activity jack catch (2) is equipped with last plane screw thread (31) with activity jack catch (2) threaded connection, the one end that activity jack catch (2) are close interior rotor (3) is equipped with lower plane screw thread (21) with interior rotor (3) threaded connection.
3. A decelerator oil seal removing tool as claimed in claim 1, wherein:
be equipped with on the lateral wall of interior rotor (3) one end with a plurality of movable jack catch (2) sliding connection's direction lug (33), be equipped with on direction lug (33) with movable jack catch (2) sliding connection and force movable jack catch (2) along the radial direction reciprocating motion's of outer barrel (1) arc surface.
4. A decelerator oil seal removing tool as claimed in claim 3, wherein:
the direction lug (33) is the permanent magnet, activity jack catch (2) are the ferromagnetic material by direction lug (33) attraction, outer barrel (1) is non-ferromagnetic material, interior rotor (3) drive direction lug (33) forward reverse rotation is in order to order about a plurality of activity jack catch (2) are in order to be close each other and keep away from the direction removal each other.
5. A decelerator oil seal removing tool as claimed in claim 1, wherein:
the side wall of one end of the inner rotating body (3) is provided with a guide conical surface (34) which is connected with the movable clamping jaws (2) in a sliding manner, and the guide conical surface (34) is provided with an arc surface which is connected with the movable clamping jaws (2) in a sliding manner and forces the movable clamping jaws (2) to move in a reciprocating manner along the radial direction of the outer cylinder body (1).
6. A reducer oil seal removing tool according to claim 5, characterized in that:
the inner rotating body (3) is connected with the outer barrel (1) through threads so that the inner rotating body (3) can move axially in the outer barrel (1), the guide conical surface (34) is provided with a permanent magnetic material layer, the movable clamping jaws (2) are made of ferromagnetic materials attracted by the permanent magnetic material layer, and the outer barrel (1) is made of non-ferromagnetic materials.
7. A decelerator oil seal removing tool as claimed in any one of claims 1 to 4, wherein:
interior rotor (3) and outer barrel (1) between be equipped with bearing (8), bearing (8) are equipped with two and are located the both ends of interior rotor (3) respectively to with interior rotor (3) axial positioning be in outer barrel (1), the one end that movable jack catch (2) was kept away from in interior rotor (3) is equipped with twist grip (7) of rotating interior rotor (3).
8. A decelerator oil seal removing tool as claimed in claim 1, wherein:
threaded connection has fixing support (4) on the outer wall of outer barrel (1), be equipped with a plurality of stabilizer blades (42) on fixing support (4), each there is adjusting screw (5) threaded connection respectively on stabilizer blade (42), be equipped with handle (6) of rotating outer barrel (1) on outer barrel (1).
9. A decelerator oil seal removing tool as claimed in claim 1, wherein:
one end of the outer cylinder body (1) close to the movable clamping jaws (2) is provided with an end cover (9) for sealing the outer cylinder body (1), and the movable clamping jaws (2) are mutually attached and connected in a sliding manner with the end cover (9).
10. A method of using a decelerator oil seal removing tool according to any one of claims 1 to 9, the method comprising the steps of:
the outer cylinder body (1) is stretched into an oil seal position in an oil seal mounting hole of the speed reducer, and the inner rotating body (3) is rotated to enable the movable clamping jaws (2) to move in the direction away from each other;
when a plurality of movable claws (2) extend out of the outer cylinder body (1) and abut against the end face of the oil seal framework, the fixed support (4) is rotated, and a plurality of support legs (42) on the fixed support (4) are attached to the reducer shell;
when the outer cylinder body (1) is not coaxial with the oil seal mounting hole, the adjusting screw (5) on the supporting leg (42) is adjusted to enable the outer cylinder body (1) to be coaxial with the oil seal mounting hole;
the handle (6) is rotated to enable the outer cylinder body (1) to rotate relative to the fixed support (4), and the oil seal is pulled out of the oil seal mounting hole by the outer cylinder body (1) through the movable clamping jaws (2) under the supporting effect of the fixed support (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211276963.5A CN115502930A (en) | 2022-10-18 | 2022-10-18 | Reducer oil seal dismounting tool and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211276963.5A CN115502930A (en) | 2022-10-18 | 2022-10-18 | Reducer oil seal dismounting tool and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115502930A true CN115502930A (en) | 2022-12-23 |
Family
ID=84511227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211276963.5A Pending CN115502930A (en) | 2022-10-18 | 2022-10-18 | Reducer oil seal dismounting tool and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115502930A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030021760A (en) * | 2001-09-07 | 2003-03-15 | 대우종합기계 주식회사 | Oil-hydraulic cylinder disassembling tool |
| CN208977697U (en) * | 2018-09-12 | 2019-06-14 | 合肥美桥汽车传动及底盘系统有限公司 | A kind of provision for disengagement of axle housing inner oil seal |
| CN210968668U (en) * | 2019-06-18 | 2020-07-10 | 一汽解放汽车有限公司 | Dismounting device for oil seal of output shaft of automobile transmission |
| CN111571527A (en) * | 2020-06-03 | 2020-08-25 | 张志宏 | Shaft sleeve dismounting tool |
| CN113997236A (en) * | 2021-09-08 | 2022-02-01 | 沪东重机有限公司 | Dismounting tool for medium-speed diesel injector |
-
2022
- 2022-10-18 CN CN202211276963.5A patent/CN115502930A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030021760A (en) * | 2001-09-07 | 2003-03-15 | 대우종합기계 주식회사 | Oil-hydraulic cylinder disassembling tool |
| CN208977697U (en) * | 2018-09-12 | 2019-06-14 | 合肥美桥汽车传动及底盘系统有限公司 | A kind of provision for disengagement of axle housing inner oil seal |
| CN210968668U (en) * | 2019-06-18 | 2020-07-10 | 一汽解放汽车有限公司 | Dismounting device for oil seal of output shaft of automobile transmission |
| CN111571527A (en) * | 2020-06-03 | 2020-08-25 | 张志宏 | Shaft sleeve dismounting tool |
| CN113997236A (en) * | 2021-09-08 | 2022-02-01 | 沪东重机有限公司 | Dismounting tool for medium-speed diesel injector |
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