CN112361936A

CN112361936A - Crankshaft coaxiality detection and adjustment device

Info

Publication number: CN112361936A
Application number: CN202011049198.4A
Authority: CN
Inventors: 黄青松; 许帮如
Original assignee: Anqing Cssc Mating Power Co ltd
Current assignee: Anqing Cssc Mating Power Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-02-12
Anticipated expiration: 2040-09-29
Also published as: CN112361936B

Abstract

The invention relates to a crankshaft coaxiality detection and adjustment device. This crankshaft coaxiality detection and adjustment device comprises a base, side plates, a wedge block, a V-shaped block and an adjusting bolt, the side plates are symmetrically fixed on two sides of the base, the wedge block capable of moving horizontally is arranged on the base, the V-shaped block matched with the inclined plane of the wedge block is arranged on the inclined plane of the wedge block, the horizontal movement through the wedge block can drive the V-shaped block to move vertically between the two side plates, and the adjusting bolt matched with the wedge block is arranged on the side plates. The V-shaped block supporting device has the advantages that the wedge-shaped block can horizontally move on the base through rotation of the adjusting bolt, and the V-shaped block matched with the inclined surface of the wedge-shaped block is arranged on the inclined surface of the wedge-shaped block, so that the V-shaped block vertically moves between the two side plates, the fine adjustment of the supporting height of the V-shaped block is realized quickly, the two V-shaped blocks supporting a part to be detected can be in the same level, and the coaxiality detection precision of the part to be detected in the later stage is improved.

Description

Crankshaft coaxiality detection and adjustment device

Technical Field

The invention belongs to the technical field of coaxiality detection, and particularly relates to a crankshaft coaxiality detection and adjustment device.

Background

The coaxiality detection is a problem frequently encountered in the measurement work of shaft parts, and a plurality of shaft part products need to be subjected to strict coaxiality detection, particularly, the detection of the products with high precision requirements is tighter. The coaxiality is a coaxiality error of a measured axis of the control shaft part with respect to a reference axis, and the coaxiality error is a variation of the position of the measured axis with respect to the reference axis. The coaxiality error is a decentration of the center of a circle reflected on the cross section. Simply, the degree of misalignment between two axes that are required to be collinear on a part. The deviation of the two axes is usually the combination of the bending of the measured axis, the inclination of the measured axis and the deviation of the measured axis, taking the reference axis as an ideal straight line. The detection methods generally include: two identical fixed V-shaped blocks are used for supporting a reference part, the prepared fixed V-shaped blocks are placed on a workbench and adjusted to be horizontal, the middle section of a reference outline element at the middle position of a cylinder at two ends of a measured part is placed on the two fixed V-shaped blocks with the same height, then the measured part is measured by a meter printing method, the measured part is slowly rotated, a workpiece is uniformly rotated for a circle, the fluctuation of a pointer of a dial indicator is observed, and half of the difference value between the maximum reading and the minimum reading is taken as the coaxiality error of the section.

Often because the workstation is not completely horizontal, need finely tune the height of fixed V-arrangement piece, keep it at same level, and current fixed V-arrangement piece is not convenient for finely tune, influences the precision that later stage axiality detected.

Disclosure of Invention

The invention aims to solve the problems and provide a crankshaft coaxiality detection and adjustment device which is simple in structure and reasonable in design.

The invention realizes the purpose through the following technical scheme:

the utility model provides a axiality detects adjusting device, includes base, curb plate, wedge, V-arrangement piece and adjusting bolt, the curb plate is fixed to base bilateral symmetry, be equipped with the wedge that can horizontal migration on the base, be equipped with on the inclined plane of wedge rather than inclined plane complex V-arrangement piece to horizontal migration through the wedge can drive the vertical motion of V-arrangement piece between the board of both sides, be equipped with on the curb plate with wedge complex adjusting bolt, realize the wedge horizontal migration on the base through adjusting bolt's rotation.

As a further optimization scheme of the invention, a first sliding groove is arranged on the base, and a first sliding block matched with the first sliding groove is arranged on the bottom surface of the wedge-shaped block.

As a further optimization scheme of the invention, one side of the side plate facing the V-shaped block is provided with a second sliding block, and two sides of the V-shaped block are provided with second sliding grooves matched with the second sliding blocks.

As a further optimization scheme of the invention, a jacking bolt which jacks towards the bottom surface of the second sliding chute of the V-shaped block is also arranged on the side plate; locking nuts are arranged on the adjusting bolt and the tightening bolt; the side plates are fixed on the side surfaces of the base through screws; and a positioning pin is arranged at the joint of the side plate and the side surface of the base.

As a further optimization scheme of the invention, cushion blocks are arranged on the V-shaped inclined planes of the V-shaped blocks; the base is provided with a plurality of mounting through holes.

As a further optimization scheme of the invention, the wedge-shaped block comprises side wall plates, a block bottom plate and inclined plates arranged at the tops of the side wall plates, the inclined plates comprise fixed inclined plates fixedly connected with the side wall plates, the number of the side wall plates is at least two, the inclined plates further comprise movable plates, the movable plates are in contact with the upper ends of one group of the side wall plates, cavities are arranged among the side wall plates, the block bottom plate and the inclined plates, telescopic mechanisms are arranged in the cavities, and the movable plates are driven by the telescopic mechanisms to move up and down;

as a further optimized scheme of the invention, the telescopic mechanism comprises a bearing piece, the bearing piece is movably connected with the block bottom plate, the lower end of the bearing piece is fixedly connected with a rotating pipe, the rotating pipe penetrates through the base, the base is provided with a slideway penetrating through the base, the rotating pipe moves along the slideway, the upper end of the bearing piece is fixedly connected with an outer pipe, an inner rod is inserted into the upper end of the outer pipe, the outer pipe is in threaded connection with the inner rod, the upper end of the inner rod is fixedly connected with the movable plate, and the outer surface of the lower end of the fixed inclined plate is fixedly connected with a limiting clamping block.

As a further optimized scheme of the invention, the lower end of the movable plate is fixedly connected with a limiting rod, and the limiting rod is inserted into the side wall plate.

The invention has the beneficial effects that:

1. the rotation through adjusting bolt realizes that the wedge is horizontal migration on the base, and because be equipped with on the inclined plane of wedge rather than inclined plane complex V-arrangement piece, and then make the vertical motion of V-arrangement piece between the both sides board to the realization is quick to the fine setting of V-arrangement piece support height, makes two V-arrangement pieces that support the part of being surveyed can be at same level, improves the later stage and is surveyed part axiality and detect the precision.

2. The V-shaped block is tightly supported and limited through the tightening bolt, the upward movement of the V-shaped block is prevented, and the coaxiality detection precision of the part to be detected in the later stage is further improved.

3. Utilize the locating pin to fix a position when curb plate and base assembly, also prevent simultaneously that the screw fastening is clearance occasionally and lead to becoming flexible between curb plate and the base.

Drawings

Fig. 1 is a front view of a coaxiality detection and adjustment apparatus according to embodiment 1 of the present invention;

FIG. 2 is a side view of example 1 of the present invention;

FIG. 3 is a top view of example 1 of the present invention;

FIG. 4 is a top view of a base in accordance with embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a wedge block in embodiment 2 of the present invention;

fig. 6 is a schematic structural view of the wedge block of fig. 5 after operation.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

Referring to fig. 1 to 3, the embodiment discloses a coaxiality detection and adjustment device, which includes a base 1, side plates 2, a wedge 3, a V-shaped block 4 and an adjustment bolt 5, wherein the side plates 2 are symmetrically fixed on two sides of the base 1, the base 1 is provided with the wedge 3 capable of moving horizontally, the inclined plane of the wedge 3 is provided with the V-shaped block 4 matched with the inclined plane, the V-shaped block 4 can be driven to move vertically between the two side plates 2 by the horizontal movement of the wedge 3, the side plates 2 are provided with the adjustment bolts 5 tightly pushing the wedge 3, the adjustment bolt is in threaded connection with the side plates 2, the wedge 3 can move horizontally on the base 1 by the rotation of the adjustment bolts 5, and the V-shaped block 4 matched with the inclined plane is arranged on the inclined plane of the wedge 3, so that the V4 can move vertically between the two side plates 2, thereby realize quick the fine setting of 4 support heights of V-arrangement piece for two V-arrangement pieces 4 that support the part of being surveyed can be at same level, improve the later stage and surveyed the part axiality and detect the precision.

In addition, it should be noted that the adjusting bolt 5 can also be matched with the wedge-shaped block 3 by an adjusting screw rod, and the wedge-shaped block 3 is driven to move horizontally by rotating the adjusting screw rod.

Specifically, referring to fig. 4, a first sliding groove 11 is formed in the base 1, a first sliding block 31 matched with the first sliding groove is arranged on the bottom surface of the wedge-shaped block 3, so that the wedge-shaped block 3 can slide on the base 1 in a guiding manner, a second sliding block 21 is arranged on the side, facing the V-shaped block 4, of the side plate 2, a second sliding groove 41 matched with the second sliding block 21 is formed in each of two sides of the V-shaped block 4, and the V-shaped block 4 can slide between the side plates 2 in a guiding manner.

Still be equipped with on the curb plate 2 towards the tight bolt 6 in second spout 41 bottom surface top of V-arrangement piece 4,

tight bolt

6 and 2 threaded connection of curb plate carry out the tight spacing in top to V-arrangement piece 4 through tight bolt 6 in top, prevent that V-arrangement piece 4 from upwards drunkenness, further improve later stage and surveyed part axiality and detect the precision.

And locking nuts (not marked in the drawing) are also arranged on the adjusting bolt 5 and the puller bolt 6, so that the adjusting bolt 5 and the puller bolt 6 are prevented from loosening with the side plate 2.

Curb plate 2 passes through screw 7 to be fixed in base 1 side, and is further curb plate 2 still is equipped with locating pin 8 with base 1 side junction for location when curb plate 2 and base 1 assemble also prevents simultaneously that screw 7 from fastening the occasionally clearance and leading to becoming flexible between curb plate 2 and the base 1.

All be equipped with cushion 9 on the V-arrangement inclined plane of V-arrangement piece 4, can effectually protect the part under test, prevent that the part under test from appearing rigid collision and damaging with V-arrangement piece 4.

The base 1 is provided with a plurality of mounting through holes 12, so that the device is convenient to mount and fix.

The working principle of the embodiment is as follows: when the V-shaped block 4 on one side needs to be finely adjusted upwards, referring to fig. 1, the left adjusting bolt 5 is rotated to move to the left, the right adjusting bolt 5 is rotated again, the wedge block 3 is pushed to move to the left on the base 1, so that the V-shaped block 4 is driven to move upwards between the side plates 2, when the V-shaped block 4 moves to the same height as the V-shaped block 4 on the other side, the right adjusting bolt 5 is stopped rotating, the left adjusting bolt 5 is rotated again, the wedge block 3 is pushed tightly by moving to the right, the wedge block 3 is locked and fixed, and the pushing bolt 6 is rotated to push tightly the bottom surface of the second chute 41 on the side surface of the V-shaped block 4, so that the V-shaped block 4 is prevented from moving upwards, and the upward fine adjustment of the V-shaped block 4 is.

Similarly, when the V-shaped block 4 on one side needs to be finely adjusted downwards, the right-side adjusting bolt 5 is rotated to move to the right side, the left-side adjusting bolt 5 is rotated again, the wedge block 3 is pushed to move to the right side on the base 1, so that the V-shaped block 4 is driven to move downwards between the side plates 2, when the V-shaped block 4 moves to the same height as the V-shaped block 4 on the other side, the left-side adjusting bolt 5 is stopped rotating, the right-side adjusting bolt 5 is rotated again, the left-side adjusting bolt is driven to move to tightly prop the wedge block 3, the wedge block 3 is locked and fixed, and the tightly propping bolt 6 is rotated to tightly prop against the bottom surface of the second chute 41 on the side surface of the V-shaped block 4, the V-shaped block 4 is prevented from moving upwards, so that.

Example 2

On the basis of the above embodiment 1, in order to maximize the upward movement adjustment of the V-shaped block 4, the wedge-shaped block 3 is further improved, in this embodiment, the wedge-shaped block 3 includes side wall plates 33, a block bottom plate, and inclined plates disposed on the tops of the side wall plates 33, the inclined plates include fixed inclined plates fixedly connected to the side wall plates 33, the number of the side wall plates 33 is at least two, the inclined plates further include movable plates 35, the movable plates 35 contact with the upper ends of one of the groups of the side wall plates 33, cavities 32 are disposed between the side wall plates 33, the block bottom plate, and the inclined plates, the block bottom plate is movably connected to a bearing member 38, the lower end of the bearing member 38 is fixedly connected to a rotating pipe 39, the rotating pipe 39 penetrates through the base 1, the base 1 is provided with a slideway penetrating through the rotating pipe 39, the rotating pipe 39 moves along the slideway, the upper end of the bearing member 38 is fixedly, an inner rod 34 is inserted into the upper end of the outer tube 37, the outer tube 37 is in threaded connection with the inner rod 34, the upper end of the inner rod 34 is fixedly connected with the movable plate 35, a limiting clamping block 36 is fixedly connected to the outer surface of the lower end of the fixed inclined plate, a limiting rod 310 is fixedly connected to the lower end of the movable plate 35, and the limiting rod 310 is inserted into the side wall plate 33.

In the implementation and use, when the inclined plate of the wedge-shaped block 3 cannot meet the adjustment of the V-shaped block 4, the rotating pipe 39 can be rotated to drive the outer pipe 37 to rotate, the inner rod 34 drives the movable plate 35 to move upwards, so that the V-shaped block 4 is heightened, the limiting rod 310 plays a role in limiting rotation, and the whole device is practical.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a crankshaft axiality detects adjusting device, its characterized in that, includes base, curb plate, wedge, V-arrangement piece and adjusting bolt, the curb plate is fixed to base bilateral symmetry, be equipped with the wedge that can horizontal migration on the base, be equipped with on the inclined plane of wedge rather than inclined plane complex V-arrangement piece to horizontal migration through the wedge can drive the vertical motion of V-arrangement piece between the board of both sides, be equipped with on the curb plate with wedge complex adjusting bolt, realize wedge horizontal migration on the base through adjusting bolt's rotation.

2. The crankshaft coaxiality detection and adjustment device according to claim 1, wherein: the base is provided with a first sliding groove, and the bottom surface of the wedge-shaped block is provided with a first sliding block matched with the first sliding groove.

3. A crankshaft coaxiality detection adjusting device according to claim 2, wherein: the curb plate all is equipped with the second slider towards V-arrangement piece one side, V-arrangement piece both sides all are equipped with the second spout with second slider complex.

4. A crankshaft coaxiality detection adjusting device according to claim 3, wherein: the side plate is also provided with a puller bolt which is tightly propped against the bottom surface of the second sliding chute of the V-shaped block; locking nuts are arranged on the adjusting bolt and the tightening bolt; the side plates are fixed on the side surfaces of the base through screws; and a positioning pin is arranged at the joint of the side plate and the side surface of the base.

5. A crankshaft coaxiality detection and adjustment apparatus according to claim 4, wherein: cushion blocks are arranged on the V-shaped inclined planes of the V-shaped blocks; the base is provided with a plurality of mounting through holes.

6. A crankshaft coaxiality detection and adjustment apparatus according to claim 5, wherein: the wedge includes lateral wall board, piece bottom plate and sets up the swash plate at lateral wall board top, the swash plate includes the fixed swash plate with lateral wall board fixed connection, the quantity of lateral wall board is two sets of at least, the swash plate still includes the fly leaf, the fly leaf with one of them set up the upper end contact of lateral wall board, be provided with the cavity between lateral wall board, piece bottom plate and the swash plate, be provided with telescopic machanism in the cavity, the telescopic machanism drive the fly leaf reciprocates.

7. The crankshaft coaxiality detection and adjustment device according to claim 6, wherein: the telescopic machanism includes the bearing spare, the bearing spare with piece bottom plate swing joint, the lower extreme fixedly connected with commentaries on classics pipe of bearing spare, the commentaries on classics pipe runs through the base, and the base sets up the slide that runs through self, the commentaries on classics pipe removes along the slide, the upper end fixedly connected with outer tube of bearing spare, the interior pole has been inserted to the upper end of outer tube, the outer tube with interior pole threaded connection, the upper end and the fly leaf fixed connection of interior pole, the lower extreme external surface fixed connection of fixed swash plate has spacing fixture block.

8. The crankshaft coaxiality detection and adjustment device according to claim 7, wherein: the lower end of the movable plate is fixedly connected with a limiting rod, and the limiting rod is inserted into the side wall plate.