CN219005900U

CN219005900U - Gearbox oil seal remover

Info

Publication number: CN219005900U
Application number: CN202223397677.2U
Authority: CN
Inventors: 郑乐; 吴晨博; 程盼; 许明中; 张孟锋; 郭明; 王宝宾
Original assignee: Xian Fast Auto Drive Co Ltd
Current assignee: Xian Fast Auto Drive Co Ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-05-12
Anticipated expiration: 2032-12-17

Abstract

The utility model discloses a gearbox oil seal remover which comprises a central vertical rod, a movable sleeve, a side pull rod, a support rod and a fixed sleeve, wherein the movable sleeve is arranged on the central vertical rod; the movable sleeve is arranged at one end of the central vertical rod, the fixed sleeve is arranged at the other end of the central vertical rod, the movable sleeve is movably connected with one ends of the side pull rods, one end of the supporting rod is movably connected with the fixed sleeve, and the other end of the supporting rod is movably connected with the side pull rods. Utilize the movable sleeve to reciprocate on central montant to and the supporting role of bracing piece, drive the side pull rod at the in-process of following movable sleeve and remove, can form the pull rod aperture of equidimension not, thereby make the side pull rod top can reasonable card go into the oil blanket bottom of equidimension not, the rethread upper end links to each other with it get rid of the hammer instrument, with the complete, steady pull-out of oil blanket. Efficiency is improved, and damage to parts is avoided.

Description

Gearbox oil seal remover

Technical Field

The utility model belongs to the field of gearboxes, and particularly relates to a gearbox oil seal remover.

Background

The traditional speed changer and the power takeoff can be always in the leading position in the market competition, and the results of the product optimization are verified by experiments for one time, wherein the results are derived from the continuous improvement of the product quality and the product performance and the continuous optimization of the product detail. After the end of each test, the test specimen is removed and inspected as an indispensable step, and the main purpose is to observe various problems exhibited by the analysis experiment.

In the sample disassembly process, the disassembly of the oil seals at the input end and the output end is often a more difficult step. The main effect of oil blanket is to prevent outside silt, dust, steam entering oil blanket in, restricts the inside lubricating oil outflow of oil blanket simultaneously, because of the cooperation of oil blanket and hole is interference fit, this has brought the difficulty for the dismantlement of oil blanket. The oil seal and the oil seal cover contact surface are extremely easy to damage in the forced disassembly process; meanwhile, the oil seals assembled by the speed changers of different sizes are different in size, and a universal oil seal disassembling tool suitable for the speed changers of different sizes is lacked.

The transmission and the power take-off sample after the experiment are completed in the experiment room, and the condition of the sample after the experiment is observed by disassembling and checking. In the process of disassembling the oil seal, many problems are often encountered. Because no corresponding disassembling tool exists, the existing disassembling mode is to forcedly insert the flat screwdriver along the joint surface of the oil seal and the oil seal cover, and then pry up the oil seal. This removal often causes damage to the seal and seal cover interface. Therefore, a special dismounting tool suitable for oil seals with different specifications is needed, and the purpose of conveniently and completely dismounting the oil seal is achieved.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a gearbox oil seal remover which is used for replacing tools such as screwdrivers to detach oil seals, meanwhile, the adjustability of the tool can be adapted to oil seals with various sizes, the efficiency is improved, and damage to the oil seals and the joint surface of a box body is avoided.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a gearbox oil seal remover comprises a central vertical rod, a movable sleeve, a side pull rod, a support rod and a fixed sleeve;

the movable sleeve is arranged at one end of the central vertical rod, the fixed sleeve is arranged at the other end of the central vertical rod, the movable sleeve is movably connected with one ends of the side pull rods, one end of the supporting rod is movably connected with the fixed sleeve, and the other end of the supporting rod is movably connected with the side pull rods.

Furthermore, one end of the central vertical rod is provided with an internal thread, and the central vertical rod is connected with a throwing hammer through the internal thread.

Further, a plurality of vertical grooves are uniformly formed in the circumference of the movable sleeve.

Further, the movable sleeve is movably mounted on the central vertical rod, and the fixed sleeve is fixedly mounted on the central vertical rod.

Further, the movable sleeve is fixed on the central vertical rod through a conical nut.

Further, one end of the side pull rod is connected with the movable sleeve through a pin.

Further, the other end of the side pull rod is provided with a hook claw, and the hook claw is embedded into the bottom of the oil seal.

Further, the side pull rod is connected with one end of the support rod through a pin, and the other end of the support rod is connected with the fixed sleeve through a pin.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a gearbox oil seal remover, which utilizes the up-and-down movement of a movable sleeve on a central vertical rod and the supporting function of a supporting rod to drive a side pull rod to form pull rod opening degrees with different sizes in the process of following the movement of the movable sleeve, so that a claw at one end of the side pull rod can be reasonably clamped into the bottoms of oil seals with different sizes, and then the oil seal is completely and stably pulled out by a hammer throwing tool connected with the upper end of the side pull rod. The utility model has the advantages of simple structure, convenient operation, time and labor saving, and the adjustable opening degree of the pull rod can be adapted to oil seals with various sizes, so that the gap of an oil seal dismounting tool is filled, the efficiency of dismounting the oil seal after a test is improved, and the damage of the oil seal and the joint surface of the box body is avoided.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a transmission oil seal remover of the present utility model.

Fig. 2 is an oil seal interior cross-sectional view of the transmission oil seal remover of the present utility model.

Fig. 3 is a top view of the transmission oil seal remover of the present utility model.

Fig. 4 is a schematic view of a movable sleeve of the transmission oil seal remover of the utility model.

Fig. 5 is a schematic view of a cone nut of the transmission oil seal remover of the present utility model.

Wherein: 1-center vertical rod, 2-taper nut, 3-movable sleeve, 4-side pull rod, 5-supporting rod, 6-pin, 7-fixed sleeve and 8-oil seal.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model is described in further detail below with reference to the attached drawing figures:

referring to fig. 1 to 5, the utility model provides a gearbox oil seal remover, which comprises a central vertical rod 1, a conical nut 2, a movable sleeve 3, a side pull rod 4, a support rod 5, a pin 6 and a fixed sleeve 7.

The movable sleeve 3 is arranged on the central vertical rod 1, the circumference of the movable sleeve 3 is provided with uniform vertical grooves, and the movable sleeve 3 moves to a proper position and can be fixed on the central vertical rod 1 by locking the taper nut 2.

The upper end of the side pull rod 4 is connected with the movable sleeve through a pin 6, and the middle part is also connected with one end of the supporting rod 5 through the pin 6, so that the side pull rod 4 can rotate relative to the movable sleeve 3 and the supporting rod 4, the opening and closing angle of the side pull rod 4 is ensured, and the side pull rod is suitable for oil seals 8 with different sizes; the bottom of the side pull rod 4 is provided with a claw, the claw can be embedded into the bottom of the oil seal 8, and simultaneously, the taper nut 2 and the movable sleeve 3 are screwed tightly by utilizing threads, so that the movable sleeve 3 is locked on the central vertical rod 1.

The fixed sleeve 7 is installed in the bottom of center montant 1, and both close-fitting can't take place relative displacement, and the other end and the fixed sleeve 7 of bracing piece 5 pass through the pin 6 to be connected simultaneously, make bracing piece 5 can take place to rotate, guarantee to reciprocate at movable sleeve 3, drive side pull rod 4 and reciprocate, can control the angle of opening and shutting of side pull rod 4, play the supporting role simultaneously to side pull rod 4.

The top of the center vertical rod 1 is provided with internal threads, can be connected with a swing hammer, and pulls out an oil seal 8 through the tension of the swing hammer.

The fixed sleeve 3 is fixedly arranged at the bottom of the central vertical rod 1; the movable sleeve 3 is sleeved on the central vertical rod 1 and can move up and down; one end of the side pull rod 4 is connected with the movable sleeve 3 through a pin 6, and the other end can be clamped into the bottom of the oil seal 8 when in use; the middle part of the side pull rod 4 is connected with one end of a supporting rod 5 through a pin 6, and the other end of the supporting rod 5 is connected with a bottom fixing sleeve 7. Therefore, when the movable sleeve 3 moves up and down, the side pull rod 4 is driven to move up and down, and the support rod 5 also plays a role in supporting the side pull rod 4, so that when the movable sleeve moves up and down, the opening and closing angle of the side pull rod 4 can be changed smoothly, and the purpose of adapting to oil seals 8 with different sizes is achieved. After the angles and the distances of the tool are adjusted and the reasonable clamping into the bottom of the oil seal 8 are ensured, the movable sleeve 3 is fixed, and the oil seal 8 and the shell can be pulled out under the condition of not being damaged by being matched with the existing hammer throwing tool.

The working process of the gearbox oil seal remover comprises the following steps:

when the oil seal 8 is removed, the cone-shaped nut 2 and the movable sleeve 3 are loosened, the whole is pulled to the highest point of the central vertical rod 1, then the whole remover is put into a proper position inside the oil seal ring to be removed, the movable sleeve 3 is pushed downwards, the side pull rod 4 moves downwards together with the movable sleeve 3, but under the supporting effect of the supporting rod 5, the side pull rod 4 can be opened for a certain angle while moving downwards, when the claw at the bottom of the side pull rod 4 is just embedded into the bottom of the oil seal, the downward pushing of the movable sleeve 3 is stopped, the movable sleeve 3 is fixed by screwing the cone-shaped nut 2, and the movable sleeve 3 and the central vertical rod 1 are prevented from generating relative displacement in the working process. And then the upper part of the central vertical rod 1 is connected with a throwing hammer through threads, and the oil seal is pulled out by the throwing hammer.

In summary, the utility model designs the gearbox oil seal remover, which replaces the traditional removing tools such as copper bars, screwdrivers and the like, and can avoid the damage of oil seals and box parts caused by violent removal while saving time and labor.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The transmission oil seal remover is characterized by comprising a center vertical rod (1), a movable sleeve (3), a side pull rod (4), a support rod (5) and a fixed sleeve (7);

the movable sleeve (3) is installed at one end of the center vertical rod (1), the fixed sleeve (7) is installed at the other end of the center vertical rod (1), one ends of a plurality of side pull rods (4) are movably connected with the movable sleeve (3), the fixed sleeve (7) is movably connected with one end of the supporting rod (5), and the side pull rods (4) are movably connected with the other end of the supporting rod (5).

2. A gearbox oil seal remover according to claim 1, characterized in that one end of the central vertical rod (1) is provided with an internal thread, and the central vertical rod (1) is connected with a throwing hammer through the internal thread.

3. The gearbox oil seal remover according to claim 1 is characterized in that a plurality of vertical grooves are uniformly formed on the circumference of the movable sleeve (3).

4. A gearbox oil seal remover according to claim 1, characterized in that the movable sleeve (3) is movably mounted on the central vertical rod (1), and the fixed sleeve (7) is fixedly mounted on the central vertical rod (1).

5. A gearbox oil seal remover according to claim 1, characterized in that the movable sleeve (3) is fixed to the central vertical rod (1) by means of a cone nut (2).

6. A gearbox oil seal remover according to claim 1, characterized in that one end of the side tie rod (4) is connected to the movable sleeve (3) by a pin (6).

7. A gearbox oil seal remover according to claim 1, characterized in that the other end of the side tie rod (4) is provided with a claw which engages the bottom of the oil seal (8).

8. A gearbox oil seal remover according to claim 1, characterized in that the side pull rod (4) is connected with one end of a support rod (5) through a pin (6), and the other end of the support rod (5) is connected with a fixed sleeve (7) through the pin (6).