CN215491425U

CN215491425U - Length measuring device for crankshaft production

Info

Publication number: CN215491425U
Application number: CN202121112985.9U
Authority: CN
Inventors: 毛勇; 李新年; 杨小林; 鄢永新
Original assignee: Xiangtan Dongfeng Crankshaft Manufacturing Co ltd
Current assignee: Xiangtan Dongfeng Crankshaft Manufacturing Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-01-11
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a length measuring device for crankshaft production, which comprises a measuring rod, wherein fixed plates are fixedly arranged on the outer surfaces of two ends of the measuring rod, movable plates are arranged on the left side and the right side of the outer wall of the measuring rod, and a locking mechanism is fixedly arranged on the outer surface of the upper end of each movable plate. According to the length measuring device for crankshaft production, the device is taken in front of a crankshaft to be measured, the fixed plate at the left end is abutted against one side of the crankshaft, the movable plate at the left side is moved to slide on the measuring rod, the fixed plate and the movable plate are tightly attached to the crankshaft, the movable plate is clamped and fixed through the locking mechanism, the movable plate at the right side is moved, the length or the thickness of the crankshaft is known through observing the scale mark on the outer surface of one side of the movable plate at the right side, the measurement is stable, the measurement can be carried out by one person, the use is convenient, and the better use prospect is brought.

Description

Length measuring device for crankshaft production

Technical Field

The utility model relates to the technical field of crankshaft length measuring devices, in particular to a length measuring device for crankshaft production.

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 rotating mass, gas inertia force of periodic change and reciprocating inertia force, so that the crankshaft bears the action of bending and twisting load, the crankshaft is required to have enough strength and rigidity, the surface of a shaft neck needs to be wear-resistant, the work is uniform, the balance is good, when the crankshaft is machined, the size of the crankshaft needs to be accurately and effectively measured, the quality is ensured to be qualified,

in the prior art, a chinese patent document with an issued publication number of CN201920638791.9 describes an improved crankshaft machining workbench, which measures through a measuring ruler plate, but when a crankshaft with a large length is measured, a measuring jaw of a vernier caliper cannot completely grasp the crankshaft, so that the correct length of the crankshaft cannot be obtained, although a three-coordinate measuring instrument can measure the length of a large crankshaft, the three-coordinate measuring instrument is air-source-braked, the time required for measuring the crankshaft is long, the machining efficiency is difficult to guarantee, and certain adverse effects are brought to the use process of people, so we propose a length measuring device for crankshaft production,

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a length measuring device for crankshaft production, which has the advantages of accurate measurement precision, convenience in fixed use and the like, and can effectively solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a length measurement device of bent axle production usefulness, includes the measuring stick, the both ends external fixed surface of measuring stick installs the fixed plate, the left and right sides of measuring stick outer wall is provided with the movable plate, the upper end external fixed surface of movable plate installs locking mechanism.

Preferably, the outer wall of the measuring rod is provided with scale marks, and the outer surface of the upper end of the measuring rod is provided with a sliding groove.

Preferably, the outer surface of one side of the fixed plate is provided with first anti-slip threads, the outer surfaces of two sides of the movable plate are provided with second anti-slip threads, and the middle of the outer surface of one side of the movable plate is provided with a through hole.

Preferably, the moving plate is slidably connected with the outer wall of the measuring rod through a through hole.

Preferably, the locking mechanism comprises a sealing bearing, an anti-slip strip, a rotating knob, a fixing block, a screw, a threaded hole and an arc-shaped ball, the rotating knob is fixedly installed on the outer surface of the upper end of the screw, the anti-slip strip is arranged on the outer wall of the rotating knob, the arc-shaped ball is located on the outer surface of the lower end of the screw, the threaded hole is arranged on the outer surface of the upper end of the moving plate, the fixing block is fixedly installed on the outer surface of the upper end of the moving plate, and the fixing block is provided with a rotating hole for the movable screw.

Preferably, threaded connection is adopted between the outer wall of the screw rod and the threaded hole, the outer surface of the upper end of the arc-shaped ball is movably connected with the outer surface of the lower end of the screw rod through a sealing bearing, and the outer wall of the arc-shaped ball is in sliding connection with the sliding groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a length measuring device for crankshaft production, which has the following beneficial effects:

1. this length measurement device of bent axle production usefulness, at first before taking the device to the measuring bent axle, the fixed plate through the left end is tightly in one side of bent axle, then through removing left movable plate, make left movable plate slide on the measuring stick, make fixed plate and movable plate all will closely laminate with the bent axle, then advance fixedly with the movable plate card through locking mechanism, then through the movable plate that removes the right side, scale mark at one side surface place through observing the right side movable plate, just learn the length of bent axle, perhaps thickness, and relatively stable, can measure alone, convenient to use.

2. This length measurement device of bent axle production usefulness, the first anti-skidding line and the second anti-skidding line of setting, increase the stability that presss from both sides tightly, prevent not hard up, and the locking mechanism who sets up, when the position at place is reachd to the movable plate, through rotating the knob, it advances along the direction rotation of screw hole to reachd the screw rod, thereby realize that the arc ball closely laminates with the spout, realize the fixed of movable plate, and the sealed bearing who sets up, prevent that the arc ball from rotating along with the rotation of screw rod, and the antislip strip that sets up, increase certain frictional force, be convenient for better use.

Drawings

Fig. 1 is a schematic view of the overall structure of a length measuring device for crankshaft production according to the present invention.

Fig. 2 is a schematic structural view of a measuring rod and a moving plate in the length measuring device for crankshaft production according to the present invention.

FIG. 3 is a schematic structural diagram of a locking mechanism in a length measuring device for crankshaft production according to the present invention.

In the figure: 1. a measuring rod; 2. scale lines; 3. a chute; 4. a fixing plate; 5. a first anti-skid pattern; 6. a locking mechanism; 7. moving the plate; 8. a through hole; 9. a second anti-skid pattern; 10. sealing the bearing; 11. anti-slip strips; 12. turning a knob; 13. a fixed block; 14. a screw; 15. a threaded hole; 16. an arc-shaped ball.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Detailed description of the preferred embodiment

The embodiment is a length measuring device for crankshaft production.

As shown in fig. 1-3, the measuring device comprises a measuring rod 1, wherein fixed plates 4 are fixedly mounted on the outer surfaces of two ends of the measuring rod 1, movable plates 7 are arranged on the left side and the right side of the outer wall of the measuring rod 1, and locking mechanisms 6 are fixedly mounted on the outer surfaces of the upper ends of the movable plates 7.

The outer wall of the measuring rod 1 is provided with scale marks 2, and the outer surface of the upper end of the measuring rod 1 is provided with a sliding groove 3; the outer surface of one side of the fixed plate 4 is provided with first anti-slip threads 5, the outer surfaces of two sides of the movable plate 7 are provided with second anti-slip threads 9, and the middle part of the outer surface of one side of the movable plate 7 is provided with a through hole 8; the moving plate 7 is connected with the outer wall of the measuring rod 1 in a sliding manner through a through hole 8; the locking mechanism 6 comprises a sealing bearing 10, an anti-slip strip 11, a rotating knob 12, a fixed block 13, a screw 14, a threaded hole 15 and an arc ball 16, wherein the rotating knob 12 is fixedly arranged on the outer surface of the upper end of the screw 14, the anti-slip strip 11 is arranged on the outer wall of the rotating knob 12, the arc ball 16 is positioned on the outer surface of the lower end of the screw 14, the threaded hole 15 is arranged on the outer surface of the upper end of the moving plate 7, the fixed block 13 is fixedly arranged on the outer surface of the upper end of the moving plate 7, and the fixed block 13 is provided with a rotating hole of the movable screw 14; the outer wall of the screw 14 is in threaded connection with the threaded hole 15, the outer surface of the upper end of the arc-shaped ball 16 is movably connected with the outer surface of the lower end of the screw 14 through the sealing bearing 10, and the outer wall of the arc-shaped ball 16 is in sliding connection with the sliding groove 3.

The length measuring device for crankshaft production comprises a fixed plate 4 at the left end of the device, a movable plate 7 at the left end of the device, a measuring rod 1, a locking mechanism 6, a locking mechanism 7, a left movable plate 7, a right movable plate 7, a measuring rod 1, a left movable plate 7, a right movable plate 7, a left measuring rod, a right measuring rod, a left measuring rod, a right measuring rod and a right measuring rod, wherein the left measuring rod and the right measuring rod are connected with the left measuring rod and the right measuring rod respectively; first anti-skidding line 5 and the second anti-skidding line 9 of setting, increase the stability that presss from both sides tightly, prevent not hard up, and the locking mechanism 6 that sets up, when the position at place is reachd to the movable plate 7, through rotating knob 12, it advances along the direction rotation of screw hole 15 to reachd the screw rod 14, thereby realize that arc ball 16 and spout 3 closely laminate, realize the fixed of movable plate 7, and the sealed bearing 10 that sets up, prevent that arc ball 16 from rotating along with the rotation of screw rod 14, and the antislip strip 11 that sets up, increase certain frictional force, be convenient for better use.

Detailed description of the utility model

The embodiment is an embodiment of a locking mechanism 6 in a length measuring device for crankshaft production.

As shown in fig. 1, 2 and 3, a locking mechanism 6 for a length measuring device for crankshaft production, the locking mechanism 6 includes a sealed bearing 10, an anti-slip strip 11, a rotating knob 12, a fixed block 13, a screw 14, a threaded hole 15 and an arc ball 16, the rotating knob 12 is fixedly installed on the outer surface of the upper end of the screw 14, the anti-slip strip 11 is opened on the outer wall of the rotating knob 12, the arc ball 16 is located on the outer surface of the lower end of the screw 14, the threaded hole 15 is opened on the outer surface of the upper end of the moving plate 7, the fixed block 13 is fixedly installed on the outer surface of the upper end of the moving plate 7, and the fixed block 13 is provided with a rotating hole of the movable screw 14; the outer wall of the screw 14 is in threaded connection with the threaded hole 15, the outer surface of the upper end of the arc-shaped ball 16 is movably connected with the outer surface of the lower end of the screw 14 through the sealing bearing 10, and the outer wall of the arc-shaped ball 16 is in sliding connection with the sliding groove 3.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a length measurement device of bent axle production usefulness, includes measuring stick (1), its characterized in that: the outer fixed surface in both ends of measuring stick (1) installs fixed plate (4), the left and right sides of measuring stick (1) outer wall is provided with movable plate (7), the outer fixed surface in the upper end of movable plate (7) installs locking mechanism (6).

2. A length measuring device for crankshaft production according to claim 1, characterized in that: the outer wall of the measuring rod (1) is provided with scale marks (2), and the outer surface of the upper end of the measuring rod (1) is provided with a sliding groove (3).

3. A length measuring device for crankshaft production according to claim 1, characterized in that: first anti-skidding line (5) have been seted up to one side surface of fixed plate (4), second anti-skidding line (9) have been seted up to the both sides surface of movable plate (7), just through-hole (8) have been seted up in the middle part of one side surface of movable plate (7).

4. A length measuring device for crankshaft production according to claim 1, characterized in that: the moving plate (7) is connected with the outer wall of the measuring rod (1) in a sliding mode through the through hole (8).

5. A length measuring device for crankshaft production according to claim 1, characterized in that: locking mechanism (6) are including sealed bearing (10), antislip strip (11), change knob (12), fixed block (13), screw rod (14), screw hole (15) and arc ball (16), just change knob (12) fixed mounting in the upper end surface of screw rod (14), antislip strip (11) are seted up in the outer wall of changing knob (12), arc ball (16) are located the lower extreme surface of screw rod (14), the upper end surface of movable plate (7) is seted up in screw hole (15), fixed block (13) fixed mounting is in the upper end surface of movable plate (7), just the rotation hole of movable screw rod (14) is seted up in fixed block (13).

6. A length measuring device for crankshaft production according to claim 5, characterized in that: the outer wall of the screw rod (14) is in threaded connection with the threaded hole (15), the outer surface of the upper end of the arc-shaped ball (16) is movably connected with the outer surface of the lower end of the screw rod (14) through a sealing bearing (10), and the outer wall of the arc-shaped ball (16) is in sliding connection with the sliding groove (3).