CN216503302U

CN216503302U - Press mounting device for motorcycle crankshaft assembly

Info

Publication number: CN216503302U
Application number: CN202122515217.4U
Authority: CN
Inventors: 孙博奇
Original assignee: Individual
Current assignee: Shanxi Hongyunteng Motorcycle Parts Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-05-13
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to the field of press-fitting devices, and discloses a press-fitting device for a motorcycle crankshaft assembly, which comprises a frame, wherein two sides of the frame are fixedly connected with motors, an output shaft of each motor is connected with a pressing plate, the top of the frame is connected with a hydraulic cylinder, a hollow press-fitting plate is connected onto the hydraulic cylinder, a square piece is arranged in the hollow press-fitting plate in a sliding manner, the top of the square piece is contacted with a U-shaped piece, the top of the U-shaped piece is fixedly connected with a connecting plate, a spring is welded onto the U-shaped piece, the top end of the spring is welded onto the inner wall of the top of the hollow press-fitting plate, the bottom of the hollow press-fitting plate is provided with a coarse hole, the bottom of the square piece is provided with a coarse groove, the inner wall of the top of the coarse groove is provided with a round hole, and an opposite shaft is clamped in the round hole. The utility model has the following advantages and effects: the mandrel can be replaced conveniently, and press fitting treatment can be performed conveniently.

Description

Press mounting device for motorcycle crankshaft assembly

Technical Field

The utility model relates to the technical field of press mounting devices, in particular to a press mounting device for a motorcycle crankshaft assembly.

Background

The engine of motorcycle is a machine which ignites the fuel mixture in the cylinder to burn and generate heat energy to be changed into mechanical energy, and the power is transmitted to the rear wheel of the motorcycle by a crankshaft through a transmission mechanism to be changed into the driving power of the vehicle. The motorcycle engine has the advantages of small inertia force, small vibration, low noise and the like, and the motorcycle power device adopts an internal combustion engine.

In the prior art, the central shaft is inserted into the central position of the gear, so that the press-fitting plate presses the gear to press the gear into the crankshaft, but the central shaft is fixedly arranged at present and is not convenient to replace.

Therefore, it is desirable to design a press-fitting device for a crankshaft assembly of a motorcycle, which can facilitate the replacement of the centering shaft.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a press mounting device for a crankshaft assembly of a motorcycle, which has the effect of conveniently replacing a centering shaft.

The technical purpose of the utility model is realized by the following technical scheme: the clamping device comprises a frame, wherein both sides of the frame are fixedly connected with motors, an output shaft of each motor is connected with a pressing plate, the top of the frame is connected with a hydraulic cylinder, a hollow compression plate is connected onto the hydraulic cylinder, a square piece is slidably mounted in the hollow compression plate, the top of the square piece is contacted with a U-shaped piece, the top of the U-shaped piece is fixedly connected with a connecting plate, a spring is welded onto the U-shaped piece, the top end of the spring is welded onto the inner wall of the top of the hollow compression plate, the bottom of the hollow compression plate is provided with a coarse hole, the bottom of the square piece is provided with a coarse groove, the inner wall of the top of the coarse groove is provided with a round hole, an opposite shaft is clamped in the round hole, the bottom of the U-shaped piece is fixedly connected with a rectangular plate, the top end of the opposite shaft is provided with a rectangular groove, the rectangular plate is clamped with the rectangular groove, and the inner walls of both sides of the coarse groove are fixedly connected with baffle plates, two thin plates are fixedly connected to the outer sides of the centering shafts, and the bottoms of the thin plates are in contact with the tops of the baffle plates.

The utility model is further provided with: the top of the thin plate is in contact with the inner wall of the top of the coarse groove.

The utility model is further provided with: the top ends of the pair of spindles are in contact with the bottom of the U-shaped piece.

The utility model is further provided with: the two pressing plates are fixedly connected with rubber pads on the sides close to each other.

The utility model is further provided with: two vertical holes are formed in the top of the hollow compression plate, and the U-shaped piece is slidably mounted in the two vertical holes.

Through adopting above-mentioned technical scheme, be convenient for the U type spare vertically remove.

The utility model is further provided with: the bottom of the block piece is in contact with the inner wall of the bottom of the hollow compression plate.

By adopting the technical scheme, the block piece is limited.

The utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the motor, the pressing plates, the hydraulic cylinder, the hollow press mounting plate, the centering shaft, the square piece, the U-shaped piece and the spring, the motor is started firstly, the motor is pressed and fixed through the two pressing plates, then the hydraulic cylinder is started, and press mounting treatment is carried out on the centering shaft through the press mounting plate;

2. according to the utility model, through the arrangement of the U-shaped piece, the connecting plate, the spring, the square piece, the thick hole, the thick groove, the centering shaft, the rectangular plate, the thin plate and the baffle plate, the connecting plate is pulled only to enable the rectangular plate to move out of the rectangular groove, and then the centering shaft is rotated to enable the thin plate to be separated from the baffle plate, so that the centering shaft is conveniently taken down for replacement, and the use is convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, 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 a press fitting device for a motorcycle crankshaft assembly according to the present invention.

Fig. 2 is a schematic sectional structural view of a press-fitting device for a motorcycle crankshaft assembly according to the present invention.

Fig. 3 is a schematic view of a portion a of fig. 2.

In the figure, 1, frame; 2. a motor; 3. pressing a plate; 4. a hydraulic cylinder; 5. a hollow press plate; 6. a block member; 7. a U-shaped member; 8. connecting plates; 9. a spring; 10. coarse holes are formed; 11. coarse grooving; 12. a circular hole; 13. aligning the mandrel; 14. a baffle plate; 15. a thin plate; 16. a rectangular plate.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1, 2 and 3, the utility model provides a press mounting device for a motorcycle crankshaft assembly, which comprises a frame 1, wherein both sides of the frame 1 are fixedly connected with a motor 2, an output shaft of the motor 2 is connected with a pressing plate 3, the top of the frame 1 is connected with a hydraulic cylinder 4, the hydraulic cylinder 4 is connected with a hollow press mounting plate 5, a square piece 6 is arranged in the hollow press mounting plate 5 in a sliding manner, the top of the square piece 6 is contacted with a U-shaped piece 7, the top of the U-shaped piece 7 is fixedly connected with a connecting plate 8, a spring 9 is welded on the U-shaped piece 7, the top end of the spring 9 is welded on the inner wall of the top of the hollow press mounting plate 5, the bottom of the hollow press mounting plate 5 is provided with a coarse hole 10, the bottom of the square piece 6 is provided with a coarse groove 11, the inner wall of the top of the coarse groove 11 is provided with a round hole 12, an opposite shaft 13 is clamped in the round hole 12, the bottom of the U-shaped piece 7 is fixedly connected with a rectangular plate 16, and the top end of the opposite shaft 13 is provided with a rectangular groove, the rectangular plate 16 is clamped with the rectangular groove, the inner walls of two sides of the thick groove 11 are fixedly connected with baffle plates 14, the outer side of the mandrel 13 is fixedly connected with two thin plates 15, the bottom of the thin plates 15 is contacted with the top of the baffle plates 14, an engine is placed on the frame 1, then the motor 2 is started, the output shaft of the motor 2 drives the pressing plate 3 to move, so that the pressing plate 3 compresses and fixes the engine, then the hydraulic cylinder 4 is started, the hydraulic cylinder 4 drives the hollow pressing plate 5 to move downwards, so that the mandrel 13 is inserted into the central position of the gear, the mandrel 13 drives the square piece 6 and the U-shaped piece 7 to move upwards, so that the U-shaped piece 7 extrudes the spring 9, then the hollow pressing plate 5 presses the gear, the gear is pressed into the crankshaft, when the mandrel 13 needs to be replaced, the connecting plate 8 is pulled, the connecting plate 8 drives the U-shaped piece 7 to move upwards, the U-shaped piece 7 extrudes the spring 9 and drives the rectangular plate 16 to move upwards, make rectangular plate 16 shift out the rectangular channel, then rotate counter shaft 13, counter shaft 13 drives thin board 15 and rotates for thin board 15 separates with baffle 14, conveniently takes off counter shaft 13 this moment, is convenient for change it.

According to the illustration in fig. 2 and 3, the top of the thin plate 15 is in contact with the inner wall of the top of the rough groove 11, the centering shaft 13 is limited, the top end of the centering shaft 13 is in contact with the bottom of the U-shaped part 7, the centering shaft 13 can be limited, two vertical holes are formed in the top of the hollow press mounting plate 5, the U-shaped part 7 is slidably mounted in the two vertical holes, and the bottom of the square part 6 is in contact with the inner wall of the bottom of the hollow press mounting plate 5.

According to the scheme shown in fig. 1, one side of each pressing plate 3 close to each other is fixedly connected with a rubber pad, so that an engine can be protected.

The press-fitting device for the motorcycle crankshaft assembly provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The press-fitting device for the motorcycle crankshaft assembly is characterized by comprising a frame (1), wherein both sides of the frame (1) are fixedly connected with motors (2), an output shaft of each motor (2) is connected with a pressing plate (3), the top of the frame (1) is connected with a hydraulic cylinder (4), each hydraulic cylinder (4) is connected with a hollow press-fitting plate (5), each hollow press-fitting plate (5) is internally provided with a square piece (6) in a sliding manner, the top of each square piece (6) is in contact with a U-shaped piece (7), the top of each U-shaped piece (7) is fixedly connected with a connecting plate (8), each U-shaped piece (7) is welded with a spring (9), the top end of each spring (9) is welded on the inner wall of the top of each hollow press-fitting plate (5), the bottom of each hollow press-fitting plate (5) is provided with a coarse hole (10), the bottom of each square piece (6) is provided with a coarse groove (11), the novel U-shaped workpiece clamping device is characterized in that a round hole (12) is formed in the inner wall of the top of the coarse groove (11), an aligning shaft (13) is clamped in the round hole (12), a rectangular plate (16) is fixedly connected to the bottom of the U-shaped workpiece (7), a rectangular groove is formed in the top end of the aligning shaft (13), the rectangular plate (16) is clamped with the rectangular groove, baffles (14) are fixedly connected to the inner walls of the two sides of the coarse groove (11), two thin plates (15) are fixedly connected to the outer side of the aligning shaft (13), and the bottoms of the thin plates (15) are in contact with the tops of the baffles (14).

2. A press-fitting device for a motorcycle crank assembly as claimed in claim 1, wherein the top of the thin plate (15) is in contact with the inner wall of the top of the wide groove (11).

3. A press-fitting device for a motorcycle crank assembly as claimed in claim 1, wherein the top end of the centering shaft (13) is in contact with the bottom of the U-shaped member (7).

4. A press-fitting device for a motorcycle crank shaft assembly according to claim 1, wherein a rubber pad is fixedly connected to each side of the two pressing plates (3) close to each other.

5. The press fitting device for the motorcycle crankshaft assembly as claimed in claim 1, wherein two vertical holes are formed in the top of the hollow press fitting plate (5), and the U-shaped member (7) is slidably mounted in the two vertical holes.

6. A press-fitting device for a motorcycle crank assembly as claimed in claim 1, wherein the bottom of the block member (6) is in contact with the inner wall of the bottom of the hollow press-fitting plate (5).