CN220740842U

CN220740842U - Crankshaft positioning device

Info

Publication number: CN220740842U
Application number: CN202322323283.0U
Authority: CN
Inventors: 赵国岗; 郭洪坤
Original assignee: Longkou Zhongzhi Machinery Parts Co ltd
Current assignee: Longkou Zhongzhi Machinery Parts Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-04-09
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a crankshaft positioning device which comprises a base and two connecting frames, wherein a rotating shaft is rotatably arranged in the base through a rotating groove, a first motor connected with the rotating shaft is fixedly arranged on the outer wall of the base, two lifting frames are fixedly arranged on the upper end face of the base, first screws are rotatably arranged in the two lifting frames, bevel gears are fixedly arranged on the outer walls of the two first screws and the outer wall of the rotating shaft, the bevel gears on the same side are vertically meshed, and a movable plate is sleeved on the outer walls of the two first screws through threads of a first limiting mechanism. According to the utility model, through arranging the components such as the rotating shaft, the bevel gears, the first screw, the moving plate and the like, the rotating shaft drives the first screw to rotate through the two bevel gears which are vertically meshed, and the first screw drives the moving plate to move in the lifting frame through the cooperation of the first limiting rod, so that the connecting frame can be driven to move up and down, and crankshafts with different sizes can be adjusted.

Description

Crankshaft positioning device

Technical Field

The utility model relates to the technical field of crankshafts, in particular to a crankshaft positioning device.

Background

The crankshaft is the most important component in an engine. The crankshaft is subjected to the combined action of centrifugal force of rotating mass, periodically-changed gas inertia force and reciprocating inertia force, so that the crankshaft is subjected to bending and torsion load.

Reference is made to publication (bulletin) No.: the utility model discloses an automobile crankshaft positioning device, which comprises a base, wherein a fixed table and a sliding component are fixedly connected to the base, a rotating mechanism comprises two supporting plates, the two supporting plates are respectively and fixedly connected to the fixed table and the sliding component, and in the scheme, crankshafts with different sizes are clamped through the components such as a first screw rod, a vertical plate and an arc plate.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a crankshaft positioning device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a crankshaft positioning device, includes base and two linking frames, the inside axis of rotation that has installed through the rotation groove of base, base outer wall fixed mounting has the first motor with rotation axis connection, base up end fixed mounting has two lifting frame, two the inside first screw rod that all rotates of lifting frame is installed, two first screw rod outer wall and the equal fixed mounting of axis of rotation outer wall have bevel gear, two of homonymy bevel gear vertical engagement, two first screw rod outer wall all is equipped with the movable plate through first stop gear thread bush, one of them movable plate up end fixed mounting has the second motor, another movable plate up end fixed mounting has the backup pad, one of them linking frame outer wall and second motor output shaft outer wall fixed connection, the backup pad outer wall passes through telescopic machanism and another one links up frame outer wall fixed connection, two the inside second screw rod that all rotates of linking frame, two second screw rod outer wall equal fixed mounting has the rocking wheel, two second screw rod outer wall all are equipped with two connecting plates through second stop gear thread bush, every connecting plate all have the locating plate through the equal locating plate of connecting plate.

Preferably, the first limiting mechanism comprises a first limiting rod fixedly installed inside the lifting frame, and the first limiting rod penetrates through the moving plate in a sliding mode.

Preferably, the telescopic mechanism comprises an electric push rod fixedly arranged on the outer wall of the supporting plate, and the telescopic end of the electric push rod is rotationally connected with the outer wall of the other connecting frame.

Preferably, the second limiting mechanism comprises a second limiting rod fixedly installed inside the connecting frame, and the second limiting rod penetrates through the two connecting plates in a sliding mode.

Preferably, the connecting mechanism comprises a connecting block fixedly mounted on the outer wall of the connecting plate, and the end part of the connecting block is fixedly connected with the outer wall of the positioning plate.

Preferably, each positioning plate is provided with a protective pad on the inner wall, and the protective pad is made of rubber.

The utility model has the beneficial effects that:

1. through setting up components such as axis of rotation, bevel gear, first screw rod and movable plate, the axis of rotation drives first screw rod rotation through two bevel gears of perpendicular meshing, and first screw rod drives the movable plate through the cooperation of first gag lever post and moves in the lift frame is inside, can drive the linking frame from top to bottom to can adjust the bent axle of equidimension not.

2. Through setting up the electricity push rod, linking the frame and protecting and filling up subassembly such as, the electricity push rod drives another one and links up the frame and remove, can adjust to the bent axle of different length from this, the protecting pad of rubber material not only can increase the effect that improves the centre gripping location with the frictional force of bent axle both ends outer wall, can also avoid causing fast damage to the outer wall at bent axle both ends.

Drawings

FIG. 1 is a schematic diagram of a crankshaft positioning device according to the present utility model;

FIG. 2 is a schematic vertical sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1 a base, 2 a connecting frame, 3 a rotating shaft, 4 a first motor, 5 a bevel gear, 6 a lifting frame, 7 a first screw, 8 a first limit rod, 9 a moving plate, 10 a second motor, 11 a supporting plate, 12 an electric push rod, 13 a second screw, 14 a shaking wheel, 15 a second limit rod, 16 a connecting plate, 17 a connecting block, 18 a positioning plate and 19 a protection pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a crankshaft positioning device comprises a base 1 and two connecting frames 2, a rotating shaft 3 is rotatably installed in the base 1 through a rotating groove, a first motor 4 connected with the rotating shaft 3 is fixedly installed on the outer wall of the base 1, two lifting frames 6 are fixedly installed on the upper end face of the base 1, first screw rods 7 are rotatably installed in the two lifting frames 6, bevel gears 5 are fixedly installed on the outer walls of the two first screw rods 7 and the outer wall of the rotating shaft 3, the two bevel gears 5 on the same side are vertically meshed, movable plates 9 are arranged on the outer walls of the two first screw rods 7 through first limit mechanism threaded sleeves, the first limit mechanism comprises first limit rods 8 fixedly installed in the lifting frames 6, the first limit rods 8 penetrate through the movable plates 9 in a sliding mode, a second motor 10 is fixedly installed on the upper end face of one movable plate 9, a supporting plate 11 is fixedly installed on the upper end face of the other movable plate 9, the outer wall of one connecting frame 2 is fixedly connected with the outer wall of an output shaft of the second motor 10, the outer wall of the supporting plate 11 is fixedly connected with the outer wall of the other connecting frame 2 through a telescopic mechanism, the telescopic mechanism comprises a push rod 12 fixedly installed on the outer wall of the other connecting frame 2, and the push rod 12 fixedly installed on the outer wall of the supporting plate 11 is connected with the other connecting frame 2.

The inside second screw rod 13 that all rotates of two linking frame 2 is installed, two second screw rod 13 outer walls are the double-end screw rod, two equal fixed mounting of second screw rod 13 outer walls have rocking wheel 14, two second screw rod 13 outer walls all are equipped with two connecting plates 16 through second stop gear thread bush, second stop gear includes the second gag lever post 15 of fixed mounting in linking frame 2 inside, second gag lever post 15 slides and runs through two connecting plates 16, every connecting plate 16 outer wall all is connected with locating plate 18 through linking mechanism, linking mechanism includes the linking piece 17 of fixed mounting at connecting plate 16 outer wall, linking piece 17 tip and locating plate 18 outer wall fixed connection, protection pad 19 is all installed to every locating plate 18 inner wall, protection pad 19 is the rubber material.

When the utility model is used, the first motor 4 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the first screw rod 7 to rotate through the two bevel gears 5 which are vertically meshed, the first screw rod 7 drives the moving plate 9 to move in the lifting frame 6 through the cooperation of the first limiting rod 8, so that the connecting frame 2 can be driven to move up and down, crankshafts with different sizes can be adjusted, and then the electric push rod 12 drives the other connecting frame 2 to move, so that the crankshafts with different lengths can be adjusted;

then put into two links up frame 2 inside respectively with the both ends of bent axle, afterwards rotatory rocking wheel 14, make rocking wheel 14 drive second screw rod 13 rotate, second screw rod 13 drives two connecting plates 16 through the cooperation with second gag lever post 15 and removes each other, and drive two locating plates 18 through the joint piece 17 and be close to each other, the protection pad 19 of rethread rubber material is fixed the both ends of bent axle centre gripping, the protection pad 19 of rubber material not only can increase the frictional force with the outer wall at bent axle both ends and improve the effect of centre gripping location, can also avoid causing fast damage to the outer wall at bent axle both ends, after the bent axle accomplishes centre gripping location, second motor 10 drives one of them and links up frame 2 rotation, one of them links up frame 2 rethread bent axle and drives another one and link up frame 2 rotation, can drive the bent axle and carry out steady rotation, be convenient for carry out processing to it.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a crankshaft positioning device, includes base (1) and two linking frame (2), its characterized in that, base (1) is inside to rotate through the rotary groove and installs axis of rotation (3), base (1) outer wall fixed mounting has first motor (4) of being connected with axis of rotation (3), base (1) up end fixed mounting has two lifting frame (6), two lifting frame (6) are inside all to rotate and install first screw rod (7), two first screw rod (7) outer wall and axis of rotation (3) outer wall are all fixed mounting have bevel gear (5), two bevel gear (5) of homonymy are meshed perpendicularly, two first screw rod (7) outer wall all are equipped with movable plate (9) through first stop gear thread bush, wherein one movable plate (9) up end fixed mounting has second motor (10), and another movable plate (9) up end fixed mounting has backup pad (11), one of them linking frame (2) outer wall and second motor (10) output shaft outer wall fixed connection, backup pad (11) are through two fixed connection of first screw rod (2) and two outer wall (13) are all fixed connection of two screw rod (13) through first screw rod (7) outer wall all, two connecting plates (16) are arranged on the outer walls of the two second screws (13) through second limit mechanisms in a threaded sleeve mode, and positioning plates (18) are connected to the outer walls of the connecting plates (16) through connecting mechanisms.

2. A crankshaft positioning device according to claim 1, characterized in that the first limit mechanism comprises a first limit lever (8) fixedly mounted inside the lifting frame (6), the first limit lever (8) sliding through the moving plate (9).

3. A crankshaft positioning device according to claim 2, wherein the telescopic mechanism comprises an electric push rod (12) fixedly arranged on the outer wall of the supporting plate (11), and the telescopic end of the electric push rod (12) is rotatably connected with the outer wall of the other connecting frame (2).

4. A crankshaft positioning device according to claim 3, characterized in that the second limiting mechanism comprises a second limiting rod (15) fixedly mounted inside the adapter frame (2), the second limiting rod (15) sliding through the two connecting plates (16).

5. The crankshaft positioning device according to claim 4, wherein the engagement mechanism comprises an engagement block (17) fixedly mounted on the outer wall of the connecting plate (16), and the end of the engagement block (17) is fixedly connected with the outer wall of the positioning plate (18).

6. The crankshaft positioning device according to claim 5, wherein each positioning plate (18) is provided with a protective pad (19) on an inner wall, and the protective pads (19) are made of rubber.