CN216594142U

CN216594142U - Manual crankshaft detection and posture fixing mechanism

Info

Publication number: CN216594142U
Application number: CN202123445761.2U
Authority: CN
Inventors: 刘金石; 李国亮; 梁峰
Original assignee: Changzhou Feishi Robot Systems Co ltd
Current assignee: Changzhou Feishi Robot Systems Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-24
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of crankshaft detection, in particular to a crankshaft manual detection and posture fixing mechanism, which comprises a bottom plate, a rotating assembly, a planar cam and a driving rod, wherein the rotating assembly is positioned above the bottom plate and is rotationally connected with the bottom plate, the rotating assembly comprises a turntable, a rotating wheel supporting assembly and a posture fixing mechanism, the posture fixing mechanism is used for fixing a crankshaft journal, the planar cam is positioned between the bottom plate and the rotating assembly, one end of the driving rod is supported on the planar cam, and the other end of the driving rod passes through the turntable and is fixedly connected with the posture fixing mechanism; the utility model discloses the utilization sets up the cam on the bottom plate, and actuating lever one end supports on the cam, and one end is connected with gesture fixed establishment, rotates the carousel, and the actuating lever rises along cam's curved surface, drives gesture fixed establishment and rises to realize the fixed of bent axle, avoid taking place to rotate in the bent axle testing process and influence detection speed and quality.

Description

Manual detection and posture fixing mechanism for crankshaft

Technical Field

The utility model belongs to the technical field of the bent axle detects technique and specifically relates to a bent axle manual work detects and gesture fixed establishment is related to.

Background

The crankshaft is the most important part in the engine, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work; the crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. Therefore, the crankshaft is required to have enough strength and rigidity, and the surface of the journal needs to be wear-resistant, work is uniform and balance is good, so that the detection of the crankshaft is very important.

The current crankshaft detection device comprises a base, a support and rotating wheels fixed on the support, wherein two ends of a crankshaft are erected on the rotating wheels on two sides, but in the detection process, the crankshaft erected on the rotating wheels is easy to rotate, and the detection speed and quality are influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the problem that the crankshaft erected on the rotating wheel is easy to rotate in the prior art, so that the detection speed and quality are affected, the manual detection and posture fixing mechanism for the crankshaft is provided.

In order to solve the technical problem, the utility model discloses a following technical scheme: a crankshaft manual detection and posture fixing mechanism comprises a bottom plate, a rotating assembly, a plane cam and a driving rod;

the rotating assemblies are positioned above the bottom plate and are rotationally connected with the bottom plate, each rotating assembly comprises a turntable, two groups of rotating wheel supporting assemblies and a posture fixing mechanism, the two groups of rotating wheel supporting assemblies are respectively fixed at two ends of the turntable, and the posture fixing mechanism is positioned between the two groups of rotating wheel supporting assemblies and is used for fixing a crankshaft journal;

the plane cam is fixed on the bottom plate and is positioned between the bottom plate and the rotating assembly;

the driving rod is connected with the rotary table in a sliding mode, one end of the driving rod is abutted to the plane cam, and the other end of the driving rod penetrates through the rotary table to be fixedly connected with the posture fixing mechanism.

According to the technical scheme, the plane cam is arranged on the bottom plate, one end of the driving rod is abutted to the plane cam, one end of the driving rod penetrates through the rotary table to be connected with the posture fixing mechanism, the rotary table is rotated, the driving rod rises along the curved surface of the plane cam to drive the posture fixing mechanism to rise, and therefore fixing of the crankshaft journal is achieved.

Further, gesture fixed establishment includes connecting plate and angle piece, and the angle piece is fixed on the connecting plate, and the angle piece open have with bent axle journal assorted U-shaped groove, actuating lever and connecting plate fixed connection, when the actuating lever goes up and down along the curved surface of plane cam, drive the connecting plate and go up and down to the lift in the U-shaped groove on the realization angle piece is fixed and is broken away from the bent axle journal.

Furthermore, an angular bottom plate is fixed on the rotary table and located between the posture fixing mechanism and the rotary table, a step hole is formed in the angular bottom plate, the driving rod comprises a driving pin shaft and a compression spring sleeved on the driving pin shaft, one end of the compression spring abuts against the end of the driving pin shaft, the other end of the compression spring abuts against the step hole of the angular bottom plate, and the angular bottom plate is connected with the driving pin shaft in a sliding mode; when the driving pin shaft rises along the plane cam, the compression spring is gradually compressed, the driving pin shaft drives the angle block to rise to realize the fixation of the crankshaft journal, and when the detection is finished, the driving rod descends along the plane cam, and the compression spring is gradually reset.

Furthermore, a fixed block is fixed on the bottom plate, a supporting block is fixed at the bottom of the rotary table, a rotary block is arranged between the fixed block and the supporting block, the supporting block is fixedly connected with the rotary block, and when the rotary table is rotated, the supporting block fixedly connected to the rotary table rotates along with the rotary block, so that the rotary block fixedly connected with the supporting block is driven to rotate, and the rotary assembly is rotatably connected with the bottom plate.

Further, the supporting shoe bottom is equipped with downwardly extending's first extension body, the outer peripheral wall of first extension body and rotatory piece is laminated mutually, the fixed block bottom is equipped with the step face, rotatory piece bottom is equipped with the second extension body of inside extension, the step face is laminated with the second extension body, and when rotating the carousel, the periphery wall of rotatory piece is laminated with the first extension body of supporting shoe all the time, and the step face of fixed block is laminated with the second extension body of rotatory piece all the time, has guaranteed pivoted stability.

Furthermore, one end of the connecting plate is fixedly connected with the driving rod, the other end of the connecting plate is fixedly connected with a guide rod, the driving rod at one end drives the connecting plate to ascend and descend, and the guide rod at the other end plays a role in guiding so that the connecting plate can do linear reciprocating motion.

Furthermore, the U-shaped groove gradually inclines inwards from the direction of the groove opening to the groove bottom, and the groove opening is provided with a fillet, so that the crankshaft journal can be clamped and separated conveniently.

The utility model has the advantages that: the utility model discloses the utilization sets up the cam on the bottom plate, and actuating lever one end supports on the cam, and the other end passes the carousel and is connected with gesture fixed establishment, rotates the carousel, and the actuating lever rises along cam's curved surface, and it rises to drive the angle piece, and U type groove is gone into to bent axle journal card to realize that the gesture of bent axle is fixed, avoid taking place to rotate in the bent axle testing process and influence detection speed and quality.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a three-dimensional block diagram of a crankshaft manual detection and attitude fixing mechanism;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a front view of the crankshaft manual detection and attitude fixing mechanism;

FIG. 4 is a schematic view of FIG. 3 in partial section;

FIG. 5 is a schematic view of the support block, the rotation block and the fixing block;

in the figure: 1. a base plate; 101. a fixed block; 1011. a step surface; 2. a rotating assembly; 201. a turntable; 2011. a support block; 2012. a first extension body; 2013. an angular bottom plate; 2014. a step hole 202, a rotating wheel support assembly; 203. a posture fixing mechanism; 2031. an angular block; 2032. a U-shaped groove; 2033. a connecting plate; 3. a plane cam; 4. a drive rod; 401. driving the pin shaft; 402. a compression spring; 5. rotating the block; 501. a second extension body; 6. a guide rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The first embodiment is as follows:

as shown in fig. 1-5, the present invention relates to a crankshaft manual detection and posture fixing mechanism, which comprises a bottom plate 1, a rotating assembly 2, a plane cam 3 and a driving rod 4;

the rotating assembly 2 is positioned above the bottom plate 1 and is rotationally connected with the bottom plate 1; the rotating assembly 2 comprises a turntable 201, two groups of rotating wheel supporting assemblies 202 and a posture fixing mechanism 203, the two groups of rotating wheel supporting assemblies 202 are respectively fixed at two ends of the turntable 201, each group of rotating wheel supporting assemblies 202 comprises two rotating wheels, and two ends of a crankshaft are respectively erected on the two groups of rotating wheel supporting assemblies 202; the posture fixing mechanism 203 is positioned between the two groups of rotating wheel supporting assemblies 202 and is used for fixing a crankshaft journal;

the plane cam 3 is fixed on the bottom plate 1 and is positioned between the bottom plate 1 and the rotating component 2;

the driving rod 4 is connected with the rotary table 201 in a sliding mode, one end of the driving rod 4 abuts against the plane cam 3, the other end of the driving rod passes through the rotary table 201 to be fixedly connected with the posture fixing mechanism 203, and the driving rod 4 is lifted along the curved surface of the plane cam 3 to drive the posture fixing mechanism 203 to lift up and down, so that fixing and separation of a crankshaft journal are achieved.

Gesture fixed establishment 203 includes connecting plate 2033 and angle piece 2031, angle piece 2031 is fixed on connecting plate 2033, and angle piece 2031 is opened there is U-shaped groove 2032 with bent axle journal matched with, U-shaped groove 2032 is from the direction of notch to the tank bottom inwards slope gradually and the notch is equipped with the fillet, the card of bent axle journal of being convenient for is gone into and is broken away from, actuating lever 4 passes carousel 201 and connecting plate 2033 fixed connection, when actuating lever 4 goes up and down along plane cam 3's curved surface, it goes up and down to drive connecting plate 2033, thereby realize that U-shaped groove 2032's lift comes to fix and break away from the bent axle journal.

An angular bottom plate 2013 is fixed on the turntable 201, the angular bottom plate 2013 is located between the posture fixing mechanism 203 and the turntable 201, a step hole 2014 is formed in the angular bottom plate 2013, the driving rod 4 comprises a driving pin shaft 401 and a compression spring 402 sleeved on the driving pin shaft 401, one end of the compression spring 402 abuts against the end portion of the driving pin shaft 401, the other end of the compression spring 402 abuts against the step hole 2014 of the angular bottom plate 2013, and the angular bottom plate 2013 is in sliding connection with the driving pin shaft 401; when the driving pin 401 rises along the plane cam 3, the compression spring 402 is compressed, the driving pin 401 drives the angular block 2031 to rise to realize the fixation of the crankshaft journal, when the detection is finished, the driving rod 4 falls along the plane cam 3, the compression spring 402 resets, and the angular block 2031 falls to be separated from the crankshaft journal. The upper end of the driving pin 401 is sleeved with a linear bearing, so that the linear motion of the driving pin 401 is more stable and the friction is less.

One end of the connecting plate 2033 is fixedly connected with the driving rod 4, the other end of the connecting plate 2033 is fixedly connected with a guide rod 6, the driving rod 4 drives the connecting plate 2033 to ascend and descend, and the guide rod 6 at the other end can play a role in guiding so as to enable the connecting plate 2033 to do linear motion.

Be fixed with fixed block 101 on the bottom plate 1, carousel 201 bottom is fixed with supporting shoe 2011, be equipped with rotatory piece 5 between fixed block 101 and the supporting shoe 2011, supporting shoe 2011 with rotatory 5 fixed connection of pieces, supporting shoe 2011 bottom is equipped with downwardly extending's first extension body 2012, first extension body 2012 laminates with the outer peripheral wall of rotatory piece 5, fixed block 101 bottom is equipped with step face 1011, rotatory 5 bottom is equipped with the second extension body 501 of inside extension, step face 1011 and the laminating of second extension body 501, when rotating carousel 201, the supporting shoe 2011 who is connected with carousel 201 rotates to the rotatory piece 5 that drives to be connected with supporting shoe 2011 rotates, and the second extension body 501 of rotatory piece 5 laminates with the step face 1011 of fixed block 101 all the time, has guaranteed the stability when rotating.

The working principle is as follows:

firstly, two ends of a crankshaft are erected on the rotating wheel support assembly 202, one end of a driving rod 4 is abutted to the bottom of the plane cam 3 at the beginning, then the turntable 201 is rotated clockwise, the driving rod 4 gradually rises along the curved surface of the plane cam 3 to drive the angle block 2031 to gradually rise until the U-shaped groove 2032 clamps the journal of the crankshaft, so that the posture is fixed, and the two ends of the crankshaft are prevented from rotating on the rotating wheel support assembly 202; after the detection is completed, the rotating disc 201 is rotated counterclockwise, and the driving rod 4 gradually descends along the curved surface of the plane cam 3 to drive the angle block 2031 to gradually descend until the U-shaped groove 2032 is separated from the crankshaft journal.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a bent axle manual detection and gesture fixed establishment which characterized in that: comprises a bottom plate (1), a rotating component (2), a plane cam (3) and a driving rod (4);

the rotating assembly (2) is positioned above the bottom plate (1) and is rotationally connected with the bottom plate (1), the rotating assembly (2) comprises a turntable (201), two rotating wheel supporting assemblies (202) and two posture fixing mechanisms (203), the two rotating wheel supporting assemblies (202) are respectively fixed at two ends of the turntable (201), and the posture fixing mechanisms (203) are positioned between the two rotating wheel supporting assemblies (202) and are used for fixing crankshaft journals;

the plane cam (3) is fixed on the bottom plate (1) and is positioned between the bottom plate (1) and the rotating component (2);

the driving rod (4) is connected with the turntable (201) in a sliding mode, one end of the driving rod (4) abuts against the plane cam (3), and the other end of the driving rod penetrates through the turntable (201) to be fixedly connected with the posture fixing mechanism (203).

2. The manual crankshaft detecting and posture fixing mechanism according to claim 1, wherein: gesture fixed establishment (203) is including connecting plate (2033) and angle piece (2031), and angle piece (2031) is fixed on connecting plate (2033), and angle piece (2031) is opened have with bent axle journal assorted U-shaped groove (2032), actuating lever (4) and connecting plate (2033) fixed connection.

3. The manual crankshaft detecting and posture fixing mechanism according to claim 2, wherein: be fixed with angular bottom plate (2013) on carousel (201), angular bottom plate (2013) are located between gesture fixed establishment (203) and carousel (201), are equipped with step hole (2014) in angular bottom plate (2013), and actuating lever (4) are including drive pin axle (401) and cover compression spring (402) of establishing on drive pin axle (401), compression spring (402) one end is supported at drive pin axle (401) tip, and one end is supported in step hole (2014) of angular bottom plate (2013), angular bottom plate (2013) and drive pin axle (401) sliding connection.

4. The manual crankshaft detecting and posture fixing mechanism according to claim 2, wherein: one end of the connecting plate (2033) is fixedly connected with the driving rod (4), and the other end of the connecting plate is fixedly connected with a guide rod (6).

5. The manual crankshaft detecting and attitude fixing mechanism of claim 1, further comprising: the improved rotary table is characterized in that a fixed block (101) is fixed on the bottom plate (1), a supporting block (2011) is fixed at the bottom of the rotary table (201), a rotary block (5) is arranged between the fixed block (101) and the supporting block (2011), and the supporting block (2011) is fixedly connected with the rotary block (5).

6. The manual crankshaft detecting and posture fixing mechanism of claim 5, wherein: supporting shoe (2011) bottom is equipped with the first extension body (2012) of downwardly extending, the periphery wall laminating of the first extension body (2012) and rotatory piece (5), fixed block (101) bottom is equipped with step face (1011), rotatory piece (5) bottom is equipped with the second extension body (501) of inside extension, step face (1011) and the laminating of the second extension body (501).

7. The manual crankshaft detecting and attitude fixing mechanism of claim 2, wherein: the U-shaped groove (2032) is gradually and inwards inclined from the direction of the groove opening to the groove bottom, and the groove opening is provided with a fillet.