CN210198281U

CN210198281U - Measuring tool for checking roundness of outer edge surface of floating bearing

Info

Publication number: CN210198281U
Application number: CN201921134323.4U
Authority: CN
Inventors: Guangfeng Feng; 冯光丰; Chengfeng Feng; 冯城峰; Jiangjiong Feng; 冯江炯
Original assignee: ZHEJIANG JUFENG AUTO PARTS CO Ltd
Current assignee: ZHEJIANG JUFENG AUTO PARTS CO Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-03-27
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a measuring tool for checking the roundness of the outer edge surface of a floating bearing, relating to the technical field of measuring tools; the movable type solid waste collection device comprises a bracket, still include the pivot, the pivot is rotated and is connected on the support, pivot one end is equipped with the cone coaxial with the pivot, the bottom surface rigid coupling of pivot and cone, cone summit department is equipped with the slot coaxial with the cone, be equipped with a plurality of spouts on the cone, the spout includes the entry, the entry of spout is located the one end at cone summit place, sliding connection has the slide-spindle with the spout adaptation in the slot, the slide-spindle corresponds the equal rigid coupling in position at the spout and has the ejector pad, the one end that the slide-spindle was kept away from to the ejector pad extends outside the spout, the ejector pad is located the coplanar and perpendicular with the axle at pivot place, the slot is kept away from pivot one side at the slide-spindle and. The utility model discloses the commonality is good.

Description

Measuring tool for checking roundness of outer edge surface of floating bearing

Technical Field

The utility model belongs to the technical field of the measuring tool, in particular to measuring tool is examined to outer fringe face real circularity of floating bearing.

Background

The floating bearing is a common part on the turbocharger, the roundness of the outer edge surface of the floating bearing is required to be detected in production, the existing measuring tool can only be adapted to the inspection of the floating bearing with a certain size, and the universality is poor.

Chinese patent CN208872220U, the patent name "measuring tool is examined to true circularity of forged part external diameter for car", disclose a measuring tool is examined to true circularity of forged part external diameter for car, including the base, the top fixed mounting of base has bilateral symmetry's dog, left side the right side fixedly connected with one end of dog and right side dog fixed connection's slide bar, the top fixed mounting of base has the slide rail that is located the dog back, the top slidable mounting of slide rail has the gauge stand, the positive fixed mounting of gauge stand has the slider with the outside sliding connection of slide bar, the top of gauge stand is connected with branch, the inside fixed mounting of branch has first bearing, the inside movable mounting of first bearing has the roller bearing, the inside fixed mounting of roller bearing has one end to extend to the outside percentage table alignment frame of roller bearing; although the manufacturing cost is reduced, the invention can only be adapted to the floating bearing with a certain size, and the universality is poor.

Disclosure of Invention

The utility model aims at overcoming the poor shortcoming of prior art commonality, providing a measuring tool is examined to the true circularity of floating bearing outer fringe face, adopt cone and ejector pad to press from both sides floating bearing tight, the not equidimension floating bearing of adaptation, the commonality is good.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a measuring tool for checking the roundness of the outer edge surface of a floating bearing comprises a bracket and a rotating shaft, wherein the rotating shaft is rotationally connected to the bracket, one end of the rotating shaft is provided with a cone coaxial with the rotating shaft, the rotating shaft is fixedly connected with the bottom surface of the cone, the vertex of the cone is provided with a slot which is coaxial with the cone, the cone is provided with a plurality of sliding chutes, the sliding groove comprises an inlet, the inlet of the sliding groove is positioned at one end where the vertex of the cone is positioned, a sliding shaft matched with the sliding groove is connected in the slot in a sliding way, the sliding shaft is fixedly connected with a push sheet at the corresponding position of the sliding chute, one end of the push sheet far away from the sliding shaft extends out of the sliding chute, the push sheet is located on the same plane and perpendicular to the axis where the rotating shaft is located, a fastening bolt is inserted into the slot on one side, away from the rotating shaft, of the sliding shaft and is in threaded fit with the fastening bolt, and a dial indicator is arranged above the cone. When the sliding bearing is used, the floating bearing is sleeved on the cone, then the sliding shaft is inserted, the pushing piece slides in the sliding groove, then the pushing piece abuts against the floating bearing, then the sliding shaft is fixed by the fastening bolt, finally the floating bearing is fixed on the cone, and the floating bearings with different inner diameters are used, so that the universality is good.

Preferably, a z-axis is fixedly connected to the support, a z-sleeve is sleeved on the z-axis, a first fixing bolt is connected to the z-sleeve in a threaded manner, the end of the first fixing bolt abuts against the z-axis, an x-axis is fixedly connected to the z-sleeve, an x-sleeve is sleeved on the x-axis, a second fixing bolt is connected to the x-sleeve in a threaded manner, the end of the second fixing bolt abuts against the x-axis, and the dial indicator is fixedly connected to the x-sleeve. The z-axis is used for adjusting the height of the dial indicator, the x-axis is used for adjusting the position of the dial indicator on the floating bearing, and the first fixing bolt and the second fixing bolt are used for fixing the dial indicator.

Preferably, the sliding groove is straight and parallel to the axis of the rotating shaft. The linear type is convenient for the push sheet to slide.

Preferably, the number of the push plates is four, and the four push plates form a cross-shaped structure. The number of the push pieces is large, and the end face of the floating bearing is perpendicular to the rotating shaft.

Preferably, the rotating shaft is fixedly connected with a handle at one end far away from the cone. The handle facilitates the rotation of the rotating shaft driven by manpower.

Preferably, the rotating shaft is sleeved with a bearing at the support. The bearing reduces the rotating resistance of the rotating shaft.

Preferably, the rotating shaft is fixedly connected with a limiting bulge, the limiting bulge is abutted against one side, close to the cone, of the support, the rotating shaft is in threaded connection with a limiting nut, and the limiting nut is abutted against one side, far away from the cone, of the support. The limiting protrusion and the limiting nut ensure that the rotating shaft rotates at one position, and the rotating shaft is convenient to install by the limiting nut.

The utility model has the advantages that: the utility model provides a measuring tool is examined to real circularity of floating bearing outer fringe face adopts cone and ejector pad to press from both sides floating bearing tight, the not floating bearing of equidimension of adaptation, and the commonality is good, in addition, simple to operate, convenient to use, the precision is high.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a schematic view of the floating bearing being secured to the cone.

In the figure: the device comprises a support 1, a rotating shaft 2, a dial indicator 3, a cone 4, a slot 5, a sliding groove 6, a sliding shaft 8, a push sheet 9, a fastening bolt 10, a z-axis 11, a z-sleeve 12, a first fixing bolt 13, an x-axis 14, an x-sleeve 15, a second fixing bolt 16, a limiting protrusion 17, a limiting nut 18, a bearing 19, a handle 20 and a floating bearing 21.

Detailed Description

The invention will be further explained in detail with reference to the drawings and the following detailed description:

example (b):

fig. 1 to 4 show a measuring tool for checking roundness of an outer edge surface of a floating bearing, which comprises a bracket 1, wherein the bracket 1 is of a flat plate structure, the bottom of the bracket 1 is fixedly connected to a bottom plate, the measuring tool further comprises a rotating shaft 2, the rotating shaft 2 is rotatably connected to the bracket 1, and a bearing 19 is sleeved on the rotating shaft 2 at the bracket 1; a cone 4 coaxial with the rotating shaft 2 is arranged at one end of the rotating shaft 2, a limiting bulge 17 is fixedly connected to the rotating shaft 2, the limiting bulge 17 is abutted against one side, close to the cone 4, of the support 1, a limiting nut 18 is connected to the rotating shaft 2 in a threaded manner, and the limiting nut 18 is abutted against one side, far away from the cone 4, of the support 1; the rotating shaft 2 is fixedly connected with the bottom surface of the cone 4, and one end of the rotating shaft 2 far away from the cone 4 is fixedly connected with a handle 20; a slot 5 coaxial with the cone 4 is arranged at the vertex of the cone 4, a plurality of sliding chutes 6 are arranged on the cone 4, the trend of the sliding chutes 6 is a straight line, and the sliding chutes 6 are parallel to the axis of the rotating shaft 2; the sliding groove 6 comprises an inlet, the inlet of the sliding groove 6 is positioned at one end where the vertex of the cone 4 is positioned, the slot 5 is connected with a sliding shaft 8 matched with the sliding groove 6 in a sliding mode, the sliding shaft 8 is fixedly connected with push pieces 9 at the corresponding positions of the sliding groove 6, one ends, far away from the sliding shaft 8, of the push pieces 9 extend out of the sliding groove 6, the push pieces 9 are positioned on the same plane and are perpendicular to the shaft where the rotating shaft 2 is positioned, the number of the push pieces 9 is four, and the four push pieces 9 form a cross-shaped structure; a fastening bolt 10 is inserted into one side of the slot 5, which is far away from the rotating shaft 2, of the sliding shaft 8 and is in threaded fit with the fastening bolt 10, and a dial indicator 3 is arranged above the cone 4; a z-axis 11 is fixedly connected to the support 1, a z-sleeve 12 is sleeved on the z-axis 11, a first fixing bolt 13 is connected to the z-sleeve 12 in a threaded mode, the end portion of the first fixing bolt 13 abuts against the z-axis 11, an x-axis 14 is fixedly connected to the z-sleeve 12, an x-sleeve 15 is sleeved on the x-axis 14, a second fixing bolt 16 is connected to the x-sleeve 15 in a threaded mode, the end portion of the second fixing bolt 16 abuts against the x-axis 14, and the dial indicator 3 is fixedly connected to the x-sleeve 15.

The use process of the embodiment is as follows:

the floating bearing 21 is of a circular structure, the floating bearing is sleeved on the cone 4, then the sliding shaft 8 is inserted, the pushing pieces 9 slide in the sliding grooves 6, the pushing pieces 9 abut against the floating bearing, the floating bearing is extruded on the conical surface of the cone 4, at the moment, the four pushing pieces 9 abut against the floating bearing, then the fastening bolts 10 are inserted in the sliding grooves 6, the fastening bolts 10 are screwed, the end parts of the fastening bolts 10 abut against the sliding shaft 8, finally, the floating bearing is fixed on the cone 4, because the pushing pieces 9 are perpendicular to the rotating shaft 2, the four pushing pieces 9 abut against the floating bearing by adopting the four pushing pieces 9, the floating bearing is completely coaxial with the rotating shaft 2, then the z shaft 11 and the x shaft 14 are adjusted, the dial indicator 3 abuts against the outer edge surface of the floating bearing, then the handle 20 is rotated, the rotating shaft 2 is driven by the handle 20 to rotate, the floating bearing rotates, whether the numerical value of the dial indicator 3 is, if not, the roundness of the outer edge surface of the floating bearing meets the requirement. The bearing 19 reduces the resistance to rotation of the shaft and the stop nut 18 facilitates mounting of the shaft 2 on the bracket 1.

Claims

1. A measuring tool for checking the roundness of the outer edge surface of a floating bearing comprises a bracket and is characterized by also comprising a rotating shaft, the rotating shaft is rotationally connected to the bracket, one end of the rotating shaft is provided with a cone coaxial with the rotating shaft, the rotating shaft is fixedly connected with the bottom surface of the cone, the vertex of the cone is provided with a slot coaxial with the cone, the cone is provided with a plurality of sliding chutes, each sliding chute comprises an inlet, the inlets of the sliding chutes are positioned at one end where the vertex of the cone is positioned, a sliding shaft matched with the sliding chute is connected in the slot in a sliding way, the sliding shaft is fixedly connected with a push sheet at the corresponding position of the sliding chute, one end of the push sheet far away from the sliding shaft extends out of the sliding groove, the push sheet is positioned on the same plane and is vertical to the shaft of the rotating shaft, the slot is provided with a fastening bolt in one side of the sliding shaft away from the rotating shaft and in threaded fit with the fastening bolt, and a dial indicator is arranged above the cone.

2. The measuring tool for checking the roundness of the outer edge surface of the floating bearing according to claim 1, wherein a z-axis is fixedly connected to the support, a z-axis sleeve is sleeved on the z-axis, a first fixing bolt is connected to the z-axis in a threaded manner, the end of the first fixing bolt abuts against the z-axis, an x-axis is fixedly connected to the z-axis sleeve, an x-axis sleeve is sleeved on the x-axis, a second fixing bolt is connected to the x-axis sleeve in a threaded manner, the end of the second fixing bolt abuts against the x-axis, and a dial indicator is fixedly connected to the x-axis sleeve.

3. The floating bearing outer edge surface roundness detection gauge according to claim 1, wherein the run of the runner is a straight line, and the runner is parallel to the axis of the rotating shaft.

4. The floating bearing outer edge surface roundness inspection gauge according to claim 1, wherein the number of the push pieces is four, and the four push pieces form a cross-shaped structure.

5. The gauge for checking the roundness of the outer edge surface of the floating bearing according to claim 1, wherein a handle is fixedly connected to the end of the rotating shaft away from the cone.

6. The floating bearing outer edge surface roundness inspection gauge according to claim 1, wherein the rotating shaft is sleeved with a bearing at the bracket.

7. The floating bearing outer edge surface roundness detection measuring tool according to claim 1, 2, 3, 4, 5 or 6, wherein a limit protrusion is fixedly connected to the rotating shaft, the limit protrusion abuts against one side of the bracket close to the cone, a limit nut is connected to the rotating shaft in a threaded manner, and the limit nut abuts against one side of the bracket far from the cone.