CN217980161U

CN217980161U - Measurement tool capable of quickly measuring large-end chamfer angle of crankshaft

Info

Publication number: CN217980161U
Application number: CN202222348215.5U
Authority: CN
Inventors: 林建波
Original assignee: Wendeng Intertek Crankshaft Co ltd
Current assignee: Chongqing Jiehui Tianxia Technology Co.,Ltd.
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-06
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a but measurement frock of rapid survey bent axle major part chamfer, including first base plate and second base plate, the adjustment tank has been seted up on the surface of first base plate and second base plate, is provided with adjusting part in the adjustment tank, and the left side on first base plate surface is provided with the scale. Through rotating the rotation handle, make bevel gear two drive bevel gear one and rotate, thereby the lead screw is at rotatory in-process, the movable block is located the adjustment tank and removes, the one end that drives the chamfer board removes, thereby the flap is located adapter sleeve and removes, conveniently adjust the inclination of chamfer board, and the adaptation through arrow point and scale, can know the length and the width of chamfer board, when measuring, the terminal surface laminating with first base plate and bent axle major part, and with the up end of second base plate laminating bent axle, make chamfer board and major part chamfer face laminate each other, the chamfer is qualified then in the laminating completely, realize quick measurement, and the practicality is improved.

Description

Measuring tool capable of quickly measuring large-end chamfer angle of crankshaft

Technical Field

The utility model relates to a bent axle measurement work technical field specifically is a but measurement frock of rapid survey bent axle major part chamfer.

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, and the crankshaft bears the action of bending and twisting load under the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force, so that the crankshaft is required to have enough strength and rigidity, and the surface of a journal needs to be wear-resistant, work is uniform and balance is good.

The excircle of the big end of the crankshaft is arranged on the flywheel to play a role of oil sealing, the big end of the crankshaft is subjected to overlarge chamfer angle to influence the big end oil sealing, and the big end of the crankshaft is difficult to be arranged on the flywheel when the big end of the crankshaft is too small chamfer angle, so that the big end of the crankshaft is required to be controlled and ensured in the machining process.

The size of the large-end chamfer of the existing crankshaft is basically measured by using a vernier caliper, so that the size is not tightly controlled, the crankshaft is produced in large batch, defective products are easy to flow out, the measurement efficiency of the large-end chamfer is low, and the practicability is low.

Disclosure of Invention

An object of the utility model is to provide a but measurement frock of rapid survey bent axle major part chamfer has the convenient characteristics of carrying out the measurement to the major part chamfer of bent axle fast.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but measurement frock of rapid survey bent axle major part chamfer, includes first base plate and second base plate, and the adjustment tank has been seted up on the surface of first base plate and second base plate, is provided with adjusting part in the adjustment tank, and the left side on first base plate surface is provided with the scale, and the avris of second base plate up end is provided with the same scale, is provided with the chamfer board between first base plate and the second base plate.

For the convenient big head end face of laminating bent axle, as the utility model discloses a but measurement frock of rapid survey bent axle big head chamfer is preferred, the structure of first base plate and second base plate is the same, the upper end of first base plate and the left end fixed connection of second base plate, and first base plate and second base plate are L type structural design.

In order to increase the stability of adjusting, as the utility model discloses a but measurement frock of rapid survey bent axle major part chamfer is preferred, the inboard fixedly connected with guide way of adjustment tank, the bilateral symmetry is provided with two around the guide way is located the adjustment tank.

For the inclination of convenient adjustment chamfer board, as the utility model discloses a but preferred of measurement frock of rapid survey bent axle major part chamfer, adjusting part includes the lead screw, the movable block, the guide block, the arrow head, conical gear one, conical gear two, connecting rod and twist grip, the lead screw is installed to the inboard of adjustment tank, the surperficial threaded connection of lead screw has the movable block, both ends fixedly connected with guide block around the movable block, the avris of movable block is provided with the arrow head, the upper end fixedly connected with conical gear one of lead screw, conical gear one's avris is provided with conical gear two, conical gear two keeps away from conical gear one's one end fixedly connected with connecting rod, the one end that conical gear two was kept away from to the connecting rod extends to the outside fixedly connected with twist grip of first base plate and second base plate.

For the different lower bent axle major part chamfer of convenient adaptation, as the utility model discloses a but the measurement frock of rapid survey bent axle major part chamfer is preferred, the both ends of lead screw and first base plate, second base plate pass through the bearing and rotate the connection, guide block and guide way sliding connection, the mutual adaptation of arrow point and scale, and conical gear one and two meshing of conical gear are connected, and connecting rod and first base plate, second base plate rotate the connection.

In order to realize the angle of adjustment chamfer, as the utility model discloses a but the preferred of measurement frock of rapid survey bent axle major part chamfer, the spread groove has been seted up to the inboard of movable block, installs the flap in the spread groove, and flap and movable block rotate to be connected.

In order to realize the measurement to bent axle major part chamfer, as the utility model discloses a but the preferred of quick measurement frock of quick measurement bent axle major part chamfer, the up end fixedly connected with adapter sleeve of chamfer board, the movable block was kept away from to two flap one end and adapter sleeve cup joint each other.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses in, through rotating rotatory handle for conical gear two drive conical gear one and rotate, thereby the lead screw is at rotatory in-process, and the movable block is located the adjustment tank and removes, and the one end that drives the chamfer board removes, thereby the flap is located the adapter sleeve and removes, conveniently adjusts the inclination of chamfer board, and through the adaptation of arrow point and scale, can know the length and the width of chamfer board. When measuring, with the terminal surface laminating of first base plate and bent axle major part to with the up end of second base plate laminating bent axle, make chamfer board and major part chamfer face laminate each other, the chamfer is qualified then in the laminating completely, realizes the rapid survey, has improved the practicality.

Drawings

FIG. 1 is a first overall view of the present invention;

FIG. 2 is a second overall structure diagram of the present invention;

FIG. 3 is the overall internal structure of the present invention;

FIG. 4 is a structural view of the chamfer plate of the present invention;

fig. 5 is a structural view of the first substrate and the second substrate of the present invention.

In the figure: 1. a first substrate; 2. a second substrate; 3. an adjustment groove; 31. a guide groove; 4. an adjustment assembly; 41. a screw rod; 42. a moving block; 421. connecting grooves; 422. a hinge plate; 43. a guide block; 44. an arrow; 45. a first conical gear; 46. a second bevel gear; 47. a connecting rod; 48. a rotation handle; 5. a graduated scale; 6. chamfering the angle plate; 61. and connecting the sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 5, a measuring tool capable of rapidly measuring a chamfer angle of a large end of a crankshaft includes a first substrate 1 and a second substrate 2, an adjusting groove 3 is formed on the surfaces of the first substrate 1 and the second substrate 2, an adjusting assembly 4 is arranged in the adjusting groove 3, a scale 5 is arranged on the left side of the surface of the first substrate 1, the same scale 5 is arranged on the side of the upper end surface of the second substrate 2, and a chamfer plate 6 is arranged between the first substrate 1 and the second substrate 2. Through adjusting the both ends to chamfer board 6 for chamfer board 6's inclination is the same with required chamfer, thereby when measuring, distributes the both sides of laminating bent axle major part chamfer with first base plate 1 and second base plate 2, makes chamfer board 6 and bent axle major part chamfer laminate each other, and laminate then the chamfer is qualified completely, realizes the rapid survey.

The first substrate 1 and the second substrate 2 have the same structure, the upper end of the first substrate 1 is fixedly connected with the left end of the second substrate 2, and the first substrate 1 and the second substrate 2 are designed to be L-shaped. Utilize the terminal surface laminating of first base plate 1 and bent axle major part to with the up end of second base plate 2 laminating bent axle, conveniently measure, the L type structure of first base plate 1 and second base plate 2 makes to be right angled triangle structure between first base plate 1, second base plate 2 and the chamfer board 6 all the time, and the convenience is calculated the inclination of chamfer board 6.

The inboard fixedly connected with guide way 31 of adjustment tank 3, guide way 31 are located the front and back bilateral symmetry of adjustment tank 3 and are provided with two. This setting is convenient to be adjusted chamfer board 6, changes chamfer board 6's inclination, the different bent axle major part chamfer of adaptation.

Specifically, the adjusting assembly 4 includes a screw rod 41, a moving block 42, a guide block 43, an arrow 44, a first conical gear 45, a second conical gear 46, a connecting rod 47 and a rotating handle 48, the screw rod 41 is installed on the inner side of the adjusting groove 3, the surface of the screw rod 41 is in threaded connection with the moving block 42, the guide blocks 43 are fixedly connected to the front end and the rear end of the moving block 42, the arrow 44 is arranged on the side of the moving block 42, the first conical gear 45 is fixedly connected to the upper end of the screw rod 41, the second conical gear 46 is arranged on the side of the first conical gear 45, the connecting rod 47 is fixedly connected to one end of the second conical gear 46 far away from the first conical gear 45, and one end of the connecting rod 47 far away from the second conical gear 46 extends to the rotating handle 48 fixedly connected to the outer sides of the first substrate 1 and the second substrate 2. By the screw connection of the lead screw 41 and the moving block 42, the moving block 42 moves in the adjustment groove 3 when the lead screw 41 rotates, thereby achieving adjustment of the chamfering plate 6.

The two ends of the screw rod 41 are rotatably connected with the first substrate 1 and the second substrate 2 through bearings, the guide block 43 is slidably connected with the guide groove 31, the arrow 44 is matched with the scale 5, the first conical gear 45 is meshed with the second conical gear 46, and the connecting rod 47 is rotatably connected with the first substrate 1 and the second substrate 2. The rotating handle 48 is rotated to drive the second conical gear 46 to rotate, so that the first conical gear 45 drives the lead screw 41 to rotate, the moving block 42 is located in the adjusting groove 3 to move, adjustment is achieved, meanwhile, the guide block 43 is in sliding connection with the guide groove 31, positioning of the moving block 42 is achieved, and stability of the moving block 42 is improved.

The connecting groove 421 is opened at the inner side of the moving block 42, the hinge plate 422 is installed in the connecting groove 421, and the hinge plate 422 is rotatably connected with the moving block 42. When the moving block 42 moves, one end of the hinge plate 422 is positioned in the connecting groove 421 to rotate, so that one end of the matched chamfering plate 6 can move conveniently.

The upper end face of the chamfer plate 6 is fixedly connected with a connecting sleeve 61, and one end of the two hinge plates 422 far away from the moving block 42 is sleeved with the connecting sleeve 61. By means of the sleeve connection of the hinge plate 422 and the connecting sleeve 61, when the moving block 42 moves, the hinge plate 422 is driven to slide in the connecting sleeve 61, and the adjustment of the chamfering plate 6 is realized.

The utility model discloses a theory of operation does:

firstly, when the measuring tool is used, the length and the width of a straight line of a chamfer to be machined are calculated, so that the rotating handle 48 is rotated, the bevel gear II 46 drives the bevel gear I45 to rotate, the screw rod 41 moves in the adjusting groove 3 in the rotating process, the moving block 42 drives one end of the hinge plate 422 to move, the hinge plate 422 rotates in the connecting groove 421, the hinge plate 422 slides in the connecting sleeve 61, the inclination angle of the chamfer plate 6 is changed, the length and the width of the straight line of the chamfer plate 6 are known by the aid of the arrow 44 and the scale 5, the inclined plane of the chamfer plate 6 is the same as the chamfer surface to be machined, during measurement, the end faces of the first base plate 1 and the crankshaft are attached, the second base plate 2 is attached to the upper end face of the crankshaft, the chamfer 6 and the large-end chamfer surface are attached to each other, the chamfer is qualified after complete attachment, rapid measurement is achieved, and practicability is improved.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a but measurement frock of rapid survey bent axle major part chamfer, includes first base plate (1) and second base plate (2), its characterized in that: adjustment tank (3) have been seted up on the surface of first base plate (1) and second base plate (2), be provided with adjusting part (4) in adjustment tank (3), the left side on first base plate (1) surface is provided with scale (5), the avris of second base plate (2) up end is provided with same scale (5), be provided with between first base plate (1) and second base plate (2) chamfer board (6).

2. The measuring tool capable of rapidly measuring the large-end chamfer of the crankshaft as claimed in claim 1, wherein: the structure of the first substrate (1) is the same as that of the second substrate (2), the upper end of the first substrate (1) is fixedly connected with the left end of the second substrate (2), and the first substrate (1) and the second substrate (2) are designed to be L-shaped.

3. The tool capable of rapidly measuring the large-end chamfer of the crankshaft as claimed in claim 1, wherein: the inner side of the adjusting groove (3) is fixedly connected with two guide grooves (31), and the two guide grooves (31) are symmetrically arranged on the front side and the rear side of the adjusting groove (3).

4. The tool for measuring the large-end chamfer of the crankshaft rapidly as claimed in claim 3, wherein: the adjusting assembly (4) comprises a lead screw (41), a moving block (42), a guide block (43), an arrow (44), a first conical gear (45), a second conical gear (46), a connecting rod (47) and a rotating handle (48), wherein the lead screw (41) is installed on the inner side of the adjusting groove (3), the moving block (42) is in threaded connection with the surface of the lead screw (41), the guide block (43) is fixedly connected with the front end and the rear end of the moving block (42), the arrow (44) is arranged on the side of the moving block (42), the first conical gear (45) is fixedly connected with the upper end of the lead screw (41), the second conical gear (46) is arranged on the side of the first conical gear (45), the connecting rod (47) is fixedly connected with the one end of the first conical gear (45) away from the second conical gear (46), and the rotating handle (48) is fixedly connected with the outer sides of the first base plate (1) and the second base plate (2) from the one end of the second conical gear (46) away from the connecting rod (47).

5. The tool for measuring the large-end chamfer of the crankshaft rapidly as claimed in claim 4, wherein: the two ends of the screw rod (41) are rotatably connected with the first substrate (1) and the second substrate (2) through bearings, the guide block (43) is slidably connected with the guide groove (31), the arrow (44) and the scale (5) are mutually matched, the first bevel gear (45) is meshed with the second bevel gear (46) and connected with the first substrate (1) and the second substrate (2) in a rotating mode, and the connecting rod (47) is rotatably connected with the first substrate (1) and the second substrate (2).

6. The tool capable of rapidly measuring the large-end chamfer of the crankshaft as claimed in claim 4, wherein: the inner side of the moving block (42) is provided with a connecting groove (421), a hinge plate (422) is installed in the connecting groove (421), and the hinge plate (422) is rotatably connected with the moving block (42).

7. The tool for measuring the large-end chamfer of the crankshaft rapidly as claimed in claim 6, wherein: the upper end face of the chamfering plate (6) is fixedly connected with a connecting sleeve (61), and one end, far away from the moving block (42), of each hinge plate (422) is in sleeve joint with the connecting sleeve (61).