CN110411388B

CN110411388B - Flywheel casing jumping inspection tool

Info

Publication number: CN110411388B
Application number: CN201910737600.9A
Authority: CN
Inventors: 魏吉胜
Original assignee: Chongqing Jisheng Cutter Co ltd
Current assignee: Chongqing Jisheng Cutter Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2021-08-31
Anticipated expiration: 2039-08-12
Also published as: CN110411388A

Abstract

The invention discloses a flywheel housing jumping inspection tool which comprises a main frame body, a rotating block, a fixing support and a positioning disc, wherein a bearing sleeve is arranged at the top of the main frame body, a rotating shaft is assembled in the bearing sleeve, one end of the rotating block is fixedly butted with the outer end of the rotating shaft, a bearing is fixedly butted at the other end of the rotating block, and the positioning disc is sleeved on the bearing; one end of the fixed support is fixed with the rotating block, the instrument support is installed at the other end of the fixed support, and the instrument support is provided with an end face runout detection meter and an inner circle runout detection meter. The flywheel housing runout inspection tool can detect the end face and inner circle runout of the flywheel housing at the same time, the crankshaft is used for positioning but does not rotate, and the shaking caused by the rotation of the crankshaft is completely avoided, so that the detection accuracy of the flywheel housing is improved.

Description

Flywheel casing jumping inspection tool

Technical Field

The invention belongs to the technical field of detection after assembly of a flywheel housing, and particularly relates to a flywheel housing jumping inspection tool.

Background

During the process of assembling and debugging the engine, the jumping value of the bell housing spigot is an important control parameter. The traditional method for measuring the run-out value of the spigot of the flywheel housing comprises the following steps: a magnetic dial indicator seat is attached to the end face of the large end of the crankshaft, a dial indicator probe is pressed on the circular hole face of the spigot of the flywheel housing, and the crankshaft is rotated for one circle slowly and continuously, so that a measured value is obtained. The measuring method comprises the steps that the checking fixture and a crankshaft are fixedly positioned, the crankshaft rotates, the checking fixture and the crankshaft rotate synchronously, and the end face or inner circle runout of the flywheel housing is measured.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a flywheel housing runout inspection tool which can be used for simultaneously detecting the end face and inner circle runout of a flywheel housing, completely avoiding the influence of crankshaft shake and ensuring more accurate detection.

The purpose of the invention is realized as follows:

the utility model provides a bell housing inspection frock of beating which the key lies in: the main frame body is provided with a bearing sleeve at the top, a rotating shaft is assembled in the bearing sleeve, one end of the rotating block is fixedly butted with the outer end of the rotating shaft, a bearing is fixedly butted at the other end of the rotating block, and the positioning disc is sleeved on the bearing; one end of the fixed support is fixed with the rotating block, the instrument support is installed at the other end of the fixed support, and the instrument support is provided with an end face runout detection meter and an inner circle runout detection meter.

After the flywheel housing to be detected is fixed with the crankshaft, the structure is adopted, the positioning is carried out after the positioning disc is locked with the end face of the crankshaft, the positioning disc rotates relative to the rotating block, the rotating block rotates relative to the bearing sleeve after being fixed with the rotating shaft, the end face runout detection table and the inner circle runout detection table are adjusted simultaneously, the detection end of the end face runout detection table is abutted to the end face of the flywheel housing, the inner circle runout detection table is abutted to the inner circle face of the flywheel housing, therefore, the rotating block is rotated, the rotating block rotates relative to the positioning disc, the fixed support and the detection table rotate relative to the flywheel housing, the detection table on the instrument support can be detected, the runout detection of the end face and the inner circle face is carried out, the crankshaft is only used for positioning and does not need to rotate, the jitter caused by gaps in the self-driven rotation process of the crankshaft is avoided, and the detection is more accurate.

Preferably, the instrument support comprises an upper support and a lower support, the lower support is mounted at the end of the fixed support, the upper portion of the lower support is fixed with the upper support and the inner circle run-out detection meter, the inner circle run-out detection meter is fixedly mounted along the radial direction of the flywheel housing to be detected, the upper support is rotatably mounted on the lower support, the rotating shaft of the upper support is perpendicular to the mounting direction of the inner circle run-out detection meter, the end of the upper support is fixed with the end face run-out detection meter, and the end face run-out detection meter is perpendicular to the mounting direction of the inner circle run-out detection meter.

By adopting the structure, the upper bracket rotates to be arranged, when the crankshaft is positioned and installed, the upper bracket is rotated to one side, the installation space is kept away, the instrument and the flywheel shell are conveniently positioned and installed, the interference of the upper bracket and the end face jumping detection meter is prevented, and the installation is more convenient.

Preferably, the lower support is slidably mounted at the end of the fixed support through a sliding sleeve and is locked and positioned through a bolt, and a stop block for stopping the sliding sleeve from sliding out of the fixed support is arranged at the top of the fixed support.

By adopting the structure, the upper support and the lower support are arranged at the top of the fixed support together through the sliding sleeve in a sliding manner, the radial positions of the upper support and the lower support are adjusted along the fixed support, and after the installation space is opened, the upper support and the lower support are adjusted to the detection position when the detection meter and the flywheel shell are positioned and installed, so that the adjustment of the instrument is facilitated.

Preferably, a locking mechanism for locking the positioning disc is arranged on the side wall of the rotating block, the locking mechanism comprises an arched lock sleeve, a lock block, a pull rod and a handle ball, the arched lock sleeve is fixed with the rotating block, the lock block is slidably arranged in the arched lock sleeve in a penetrating mode, one end, corresponding to the lock block, of the positioning disc is provided with a locking groove, and the other end of the lock block is fixed with the pull rod and the handle ball.

By adopting the structure, when the positioning device is installed with the crankshaft in a positioning mode, the positioning disc and the rotating block are locked into a whole through the locking mechanism, the positioning disc is prevented from being unstably rotated, the positioning device is convenient to install, and after the positioning device is installed, the locking mechanism is unlocked.

Preferably, the top of the bearing sleeve is provided with a mounting frame, the mounting frame is provided with a quick clamp, a slotted hole is formed in the rotating shaft corresponding to the locking end of the quick clamp, and the locking end of the quick clamp extends into the slotted hole and locks the rotating shaft.

By adopting the structure, the rotating shaft and the bearing sleeve are locked by the quick clamp, and the positioning disc and the rotating block are locked by the locking mechanism, so that the positioning disc can not rotate completely, and the positioning disc and the crankshaft can be further conveniently positioned and installed; after the installation is completed, the locking structure and the quick clamp are unlocked so as to rotate the rotating block.

Preferably, the rotating block is provided with a rotating handle, the rotating handle is in threaded connection with the rotating block, and the rotating handle is located on the opposite side of the fixed support.

By adopting the structure, the rotating handle drives the rotating block to rotate, so that the rotating is more labor-saving and more stable.

Preferably, the rotating block is provided with an installation groove for installing a fixing bracket, and the lower part of the fixing bracket is locked and fixed in the installation groove through a bolt.

By adopting the structure, the fixing support is detachably fixed with the rotating block, and the model of the fixing support can be changed through the fixing support, so that the fixing support is suitable for flywheel shells with different radiuses or other identical products to be detected.

Preferably, the main frame body is provided with a lifting structure, the lifting structure comprises a sleeve pipe which is longitudinally arranged, a lifting column which is arranged in the sleeve pipe, and a threaded ejector rod which is arranged at the lower end of the sleeve pipe, the upper end of the threaded ejector rod is abutted against the lifting column through a buffer spring, and the bearing sleeve is arranged at the top of the lifting column.

By adopting the structure, the height of the detection station is adjusted through the lifting structure so as to adapt to more detection environments.

Preferably, the bottom of the main frame body is fixedly provided with a base, the middle part of the base is provided with a counterweight groove, and four corners of the base are provided with rollers.

Adopt above-mentioned structure, make things convenient for the removal of whole frock, can place the balancing weight in the balancing weight groove to prevent waiting to examine the product overweight, make the focus of frock unstable.

Has the advantages that:

the flywheel housing runout inspection tool can detect the end face and inner circle runout of the flywheel housing at the same time, the crankshaft is used for positioning but does not rotate, and the shaking caused by the gap during the rotation of the crankshaft is completely avoided, so that the detection accuracy of the flywheel housing is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the present invention;

description of reference numerals:

the main frame body 1, the turning block 2, the fixing support 3, the locating plate 4, the bearing sleeve 5, the rotating shaft 6, the bearing 7, the instrument support 8, the upper support 8a, the lower support 8b, the sliding sleeve 8c, the end face runout detecting meter 9, the inner circle runout detecting meter 10, the bow-shaped lock sleeve 11a, the lock block 11b, the pull rod 11c, the handle ball 11d, the mounting frame 12, the quick clamp 13, the slotted hole 14, the turning handle 15, the mounting groove 16, the sleeve 17a, the lifting column 17b, the threaded ejector rod 17c, the buffer spring 18, the base 19, the roller 20 and the wrench 21.

Detailed Description

The invention is further illustrated by the following examples and figures.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Examples

As shown in fig. 1 and 2: the utility model provides a bell housing inspection frock of beating, comprises the body frame body 1, turning block 2, fixed bolster 3 and positioning disk 4, the fixed base 19 that is equipped with in bottom of the body frame body 1, the middle part of this base 19 is opened has counter weight groove 19a, and the four corners of this base 19 is equipped with gyro wheel 20. The main frame body 1 is provided with a lifting structure, the lifting structure consists of a sleeve 17a arranged longitudinally, a lifting column 17b arranged in the sleeve 17a and a threaded ejector rod 17c arranged at the lower end of the sleeve 17a, the upper end of the threaded ejector rod 17c is abutted with the lifting column 17b through a buffer spring 18, the top of the lifting column 17b of the main frame body 1 is provided with a bearing sleeve 5, a rotating shaft 6 is assembled in the bearing sleeve 5, one end of the rotating block 2 is fixedly abutted with the outer end of the rotating shaft 6, the other end of the rotating block 2 is fixedly abutted with a bearing 7, and the positioning disc 4 is sleeved on the bearing 7; the measuring instrument is characterized in that a mounting groove 16 for mounting the fixing support 3 is formed in the rotating block 2, one end of the fixing support 3 is mounted in the mounting groove 16 and is locked and fixed through a bolt, an instrument support 8 is mounted at the other end of the fixing support 3, and an end face run-out measuring meter 9 and an inner circle run-out measuring meter 10 are arranged on the instrument support 8.

As shown in fig. 1 and 2: the instrument support 8 comprises upper bracket 8a, lower carriage 8b and sliding sleeve 8c, lower carriage 8b passes through sliding sleeve 8c with the tip of fixed bolster 3 slides and sets up and fix a position through the bolt locking, the top of fixed bolster 3 is equipped with the dog that blocks sliding sleeve 8c roll-off fixed bolster 3. The upper portion of lower carriage 8b is fixed upper bracket 8a and interior round runout detect table 10, interior round runout detect table 10 is along waiting to examine the radial installation of bell housing, upper bracket 8a rotates to be installed on the lower carriage 8b, this upper bracket 8 a's axis of rotation perpendicular to interior round runout detect table 10's installation direction, this upper bracket 8 a's end fixing end face runout detects table 9, and this end face runout detects table 9 perpendicular to interior round runout detects table 10's installation direction.

As shown in fig. 1 and 2: the side wall of the rotating block 2 is provided with a locking mechanism for locking the positioning disc 4, the locking mechanism is composed of an arched lock sleeve 11a, a lock block 11b, a pull rod 11c and a handle ball 11d, the arched lock sleeve 11a is fixed with the rotating block 2, the lock block 11b is arranged in the arched lock sleeve 11a in a sliding and penetrating mode, one end, corresponding to the lock block 11b, of the positioning disc 4 is provided with a locking groove, and the other end of the lock block 11b is fixed with the pull rod 11c and the handle ball 11 d.

As shown in fig. 1 and 2: the top of bearing housing 5 is equipped with mounting bracket 12, be equipped with active grab 13 on the mounting bracket 12, correspond on the pivot 6 the locking end of active grab 13 is equipped with slotted hole 14, the locking end of active grab 13 stretches into slotted hole 14 and locking pivot 6.

As shown in fig. 1 and 2: the turning block 2 is provided with a turning handle 15, the turning handle 15 is in threaded connection with the turning block 2, and the turning handle 15 is positioned at the opposite side of the fixed support 3.

The working principle is as follows: during the installation, rotate the upper bracket and rotate it to one side, the inside slip lower carriage, let out installation space, simultaneously, the active grab is with the pivot locking, locking mechanism is with the positioning disk locking, then aim at the mounting hole of bent axle with the bolt on the positioning disk, through lengthened spanner 21 with bolt locking, the positioning disk is fixed the back with the bent axle location, active grab and locking mechanism unblock, the adjustment lower carriage, rotate the upper bracket to the detection station, the flywheel shell rotates with the positioning disk together and can detect the terminal surface of flywheel shell and the condition of beating of interior disc through the end face runout detection table and interior circle runout detection table.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a bell housing inspection frock of beating which characterized in that: the main frame comprises a main frame body (1), a rotating block (2), a fixing support (3) and a positioning disc (4), wherein a bearing sleeve (5) is arranged at the top of the main frame body (1), a rotating shaft (6) is assembled in the bearing sleeve (5), one end of the rotating block (2) is fixedly butted with the outer end of the rotating shaft (6), a bearing (7) is fixedly butted with the other end of the rotating block (2), and the positioning disc (4) is sleeved on the bearing (7); one end of the fixed support (3) is fixed with the rotating block (2), the other end of the fixed support is provided with an instrument support (8), and the instrument support (8) is provided with an end face run-out detection meter (9) and an inner circle run-out detection meter (10);

the instrument support (8) comprises an upper support (8a) and a lower support (8b), the lower support (8b) is installed at the end of the fixed support (3), the upper portion of the lower support (8b) is fixedly provided with the upper support (8a) and an inner circle run-out detection meter (10), the inner circle run-out detection meter (10) is installed along the radial direction of a flywheel shell to be detected, the upper support (8a) is rotatably installed on the lower support (8b), the rotating shaft of the upper support (8a) is perpendicular to the installation direction of the inner circle run-out detection meter (10), the end of the upper support (8a) is fixedly provided with the end face run-out detection meter (9), and the end face run-out detection meter (9) is perpendicular to the installation direction of the inner circle run-out detection meter (10);

the lower support (8b) is slidably mounted at the end part of the fixed support (3) through a sliding sleeve (8c) and is locked and positioned through a bolt, and a stop block for preventing the sliding sleeve (8c) from sliding out of the fixed support (3) is arranged at the top of the fixed support (3);

a locking mechanism for locking the positioning disc (4) is arranged on the side wall of the rotating block (2), the locking mechanism comprises an arched lock sleeve (11a), a lock block (11b), a pull rod (11c) and a handle ball (11d), the arched lock sleeve (11a) is fixed with the rotating block (2), the lock block (11b) is slidably arranged in the arched lock sleeve (11a) in a penetrating manner, a locking groove is formed in one end, corresponding to the lock block (11b), of the positioning disc (4), and the pull rod (11c) and the handle ball (11d) are fixed to the other end of the lock block (11 b);

the top of bearing housing (5) is equipped with mounting bracket (12), be equipped with active grab (13) on mounting bracket (12), correspond on pivot (6) the locking end of active grab (13) is equipped with slotted hole (14), the locking end of active grab (13) stretches into slotted hole (14) and locking pivot (6).

2. The flywheel housing runout inspection tool according to claim 1, characterized in that: the rotating block (2) is provided with a rotating handle (15), the rotating handle (15) is in threaded connection with the rotating block (2), and the rotating handle (15) is located on the opposite side of the fixed support (3).

3. The flywheel housing runout inspection tool according to claim 1, characterized in that: the rotating block (2) is provided with an installation groove (16) for installing the fixing support (3), and the lower portion of the fixing support (3) is locked and fixed in the installation groove (16) through bolts.

4. The flywheel housing runout inspection tool according to claim 1, characterized in that: the main frame body (1) is provided with a lifting structure, the lifting structure comprises a sleeve (17a) which is longitudinally arranged, a lifting column (17b) which is arranged in the sleeve (17a) and a threaded ejector rod (17c) which is arranged at the lower end of the sleeve (17a), and the upper end of the threaded ejector rod (17c) is abutted to the lifting column (17b) through a buffer spring (18).

5. The flywheel housing runout inspection tool according to claim 1, characterized in that: the bottom of the main frame body (1) is fixedly provided with a base (19), the middle part of the base (19) is provided with a counterweight groove (19a), and four corners of the base (19) are provided with rollers (20).