CN219348026U

CN219348026U - CV festival moment detects rotatory frock

Info

Publication number: CN219348026U
Application number: CN202223188434.8U
Authority: CN
Inventors: 高士照; 句任鹤; 谭亚; 刘洋; 荆倩
Original assignee: Nexteer Lingyun Driveline Zhuozhou Co Ltd
Current assignee: Nexteer Lingyun Driveline Zhuozhou Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-14
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a CV joint moment detection rotating tool, wherein a servo motor is fixed on a lower plate of a support frame, an output shaft is connected with a rotating shaft through a coupler, and the rotating shaft is fixed on an upper plate of the support frame through a bearing; 2 or 3 clamping claws are uniformly and rotatably fixed on the wall of the upper end part of the rotating shaft; the supporting base is a cylinder with a central hole, the upper port of the supporting base is matched with the part from the bearing end face of the CV joint to the upper end of the external spline, the central hole wall of the lower end of the upper port is provided with an internal spline matched with the external spline of the CV joint, the lower end part of the supporting base protrudes out of a clamping step or the lower end face of the supporting base is fixed with a supporting bottom plate with the outer diameter larger than the outer diameter of the supporting bottom plate; the clamping claw is clamped and fixed on the clamping step of the supporting base or the supporting bottom plate. The utility model is matched with manual feeding and discharging moment detection equipment, has simple structure and low manufacturing cost, can be suitable for CV joint moment detection of various driving shafts only by replacing support bases suitable for different CV joints, and has wide application range.

Description

CV festival moment detects rotatory frock

Technical Field

The utility model belongs to the field of CV joint detection instruments, and relates to a CV joint moment detection rotating tool.

Background

The CV section is an important part in the automobile driving shaft, in the production of the CV section, the moment of the CV section needs to be detected, the existing CV section moment detection rotating tool is only suitable for detecting the moment of the CV section in the S202 driving shaft, the CV section supporting base at the upper end of the tool is composed of an inner sleeve and an outer sleeve which are fixed together, other structures are matched with full-automatic moment detection equipment for mechanical feeding and discharging, the whole structure is complex, the cost is high, the tool is not suitable for detecting the rotation moment of the CV section in the KX11 driving shaft and the PPC driving shaft, and when the moment detection equipment only needs to manually feed and discharge, the tool is not practical.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide a CV joint moment detection rotating tool which is matched with a manual feeding and discharging moment detection device for use, has simple structure and low manufacturing cost, can be suitable for CV joint moment detection of various driving shafts only by replacing parts at the upper end of the rotating tool, and has wide application range

In order to achieve the above object, the technical solution of the present utility model is: a CV joint moment detection rotating tool comprises a supporting base, a rotating shaft, a supporting frame and a servo motor; the servo motor is fixed on the lower plate of the support frame, an output shaft of the servo motor is connected with the lower end of a rotating shaft through a coupler, and the rotating shaft is fixed on the upper plate of the support frame through a bearing; 2 or 3 clamping claws are uniformly and rotatably fixed on the wall of the upper end part of the rotating shaft; the supporting base is a cylinder with a central hole, the upper port of the supporting base is matched with the part from the bearing end face of the CV joint to the upper end of the external spline, the central hole wall of the lower end of the upper port is provided with an internal spline matched with the external spline of the CV joint, the lower end part of the supporting base protrudes out of a clamping step or the lower end face of the supporting base is fixed with a supporting bottom plate with the outer diameter larger than the outer diameter of the supporting bottom plate; the clamping claw on the rotating shaft is clamped and fixed on the clamping step or the supporting bottom plate of the supporting base; after the CV joint is installed, the distance from the center plane of the CV joint steel ball to the lower end surface of the supporting base or the lower end surface of the supporting bottom plate is kept unchanged, so that the relative position of the CV joint on equipment is ensured; the central axes of the supporting base, the rotating shaft and the output shaft of the servo motor are coincident.

Further preferably, the specific structure that the clamping claw is rotatably fixed on the upper end wall of the rotating shaft is: the outer wall of the upper end part of the rotating shaft is of an I-shaped structure and consists of an upper end plate, a lower end plate and an inward concave cylindrical wall; the middle parts of the clamping claws are respectively fixed on the protruding blocks which evenly protrude from the upper end plate through transverse pin shafts, the springs are fixed at the lower ends of the protruding blocks, and the clamping convex tables at the upper ends of the clamping convex tables are clamped on the clamping steps or the supporting bottom plates which are fixed on the supporting base; the other end of the spring is propped and fixed in a spring groove formed on the inner concave cylinder wall.

Further preferably, the structure of the port on the support base matched with the part from the bearing end face of the CV joint to the upper end of the external spline is as follows: the upper part of the upper port of the supporting base is a plane matched with the end face of the bearing of the CV joint, and the lower part of the upper port of the supporting base is a conical hole matched with the part between the internal spline and the plane. The method is suitable for detecting CV joint moment in the KX11 driving shaft.

Further preferably, the structure of the port on the support base matched with the part from the bearing end face of the CV joint to the upper end of the external spline is as follows: the port on the support base is a plane matched with the bearing end face of the CV joint, a step hole is arranged between the internal spline and the plane, and the step hole is formed from top to bottom: large cylindrical holes, large tapered holes, small cylindrical holes, and small tapered holes. The method is suitable for detecting CV joint moment in the PPC driving shaft and the S202 driving shaft.

When the device is used, the CV joint is arranged on the upper port of the supporting base and the internal spline, the upper plate of the supporting frame is used for a working platform of the CV joint moment detection device, after the device is arranged, the moment detection rod is inserted into the central shaft hole of the star frame in the CV joint, the servo motor is started to rotate, and the moment detection of the CV joint is completed. The rotary tool is matched with manual feeding and discharging moment detection equipment, has a simple structure and low manufacturing cost, can be suitable for detecting the moments of CV joints of various driving shafts such as a KX11 driving shaft, a PPC driving shaft, an S202 driving shaft and the like only by replacing supporting bases suitable for different CV joints, and has a wide application range.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front view of a first embodiment of the present utility model;

FIG. 3 is a front cross-sectional view of a first embodiment of a support base of the present utility model;

FIG. 4 is a front view of a second embodiment of the present utility model; the method comprises the steps of carrying out a first treatment on the surface of the

Fig. 5 is a front cross-sectional view of a second embodiment of a support base in accordance with the present utility model.

Detailed Description

The utility model is further described below in connection with specific embodiments.

In embodiment 1, as shown in fig. 1, 2 and 3, a moment detecting rotary tool for a CV joint 1 structure is provided, and this embodiment includes a support base 2, a rotary shaft 5, a support frame 7 and a servo motor 9. The servo motor 9 is fixed on the lower plate 8 of the support frame, an output shaft of the servo motor is connected with the lower end of the rotating shaft 5 through a coupler 10, and the rotating shaft 5 is fixed on the upper plate 6 of the support frame through a bearing 11. 2 (or 3) clamping claws 4 are uniformly and rotatably fixed on the upper end wall of the rotating shaft 5; the optimized concrete structure is as follows: the outer wall of the upper end part of the rotating shaft 5 is of an I-shaped structure and consists of an upper end plate 51, a lower end plate 53 and an inward concave cylindrical wall 52; the middle parts of the clamping claws 4 are respectively fixed on the protruding blocks which evenly protrude from the upper end plate by the transverse pin shaft 3, the lower ends of the clamping claws are fixedly provided with springs 54, and the clamping bosses at the upper ends are clamped on the supporting bottom plate 26 (the clamping steps of the supporting base 2 can also be used) which is fixedly arranged on the supporting base 2; the other end of the spring 54 is held against a spring groove formed in the concave cylindrical wall 52. The supporting base 2 is a cylinder with a central hole, and the upper port of the supporting base is matched with the part from the bearing end face 15 of the CV joint to the upper end of the external spline, and the concrete structure is that: the upper port portion 27 of the support base is a flat surface matching the bearing end surface 15 of the CV joint and the lower portion 28 is a conical bore matching the portion of the female spline to that flat surface. The central hole wall of the lower end of the upper port is provided with an internal spline 29 matched with the external spline of the CV joint 1, and the lower end surface of the lower end of the supporting base 2 is fixed with a supporting bottom plate 26 with the outer diameter larger than the outer diameter thereof by a screw (the lower end of the supporting base 2 can also be protruded with a clamping step, but the process is not well realized). After the CV joint is installed, the distance from the center plane 12 of the CV joint steel ball to the lower end surface of the supporting bottom plate 26 (or from the center plane 12 of the CV joint steel ball to the lower end surface of the supporting base 26) is kept unchanged, so that the relative position of the CV joint 1 on equipment is ensured. The central axes of the supporting base 2, the rotating shaft 5 and the output shaft of the servo motor 9 are coincident. The method is suitable for detecting CV joint moment of the KX11 drive shaft.

In embodiment 2, as shown in fig. 1, fig. 4 and fig. 5, the torque detection rotating tool used in another CV joint 14 structure is the same as that in embodiment 1, and the structure of the upper port of the support base 2 matched with the part from the bearing end surface 13 of the CV joint to the upper end of the external spline is as follows: the upper port of the supporting base 2 is a plane matched with the bearing end face 13 of the CV joint 1, a step hole is arranged between the internal spline 25 and the plane, and the step hole is formed from top to bottom: a large cylindrical hole 21, a large tapered hole 22, a small cylindrical hole 23, and a small tapered hole 24. The method is suitable for detecting the medium CV joint moment of the PPC drive shaft.

The above embodiments are only preferred and exemplary, and are not intended to limit the present utility model, but any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of the present utility model.

Claims

1. Rotatory frock of CV festival moment detection, its characterized in that: comprises a supporting base, a rotating shaft, a supporting frame and a servo motor; the servo motor is fixed on the lower plate of the support frame, an output shaft of the servo motor is connected with the lower end of a rotating shaft through a coupler, and the rotating shaft is fixed on the upper plate of the support frame through a bearing; 2 or 3 clamping claws are uniformly and rotatably fixed on the wall of the upper end part of the rotating shaft; the supporting base is a cylinder with a central hole, the upper port of the supporting base is matched with the part from the bearing end face of the CV joint to the upper end of the external spline, the central hole wall of the lower end of the upper port is provided with an internal spline matched with the external spline of the CV joint, the lower end part of the supporting base protrudes out of a clamping step or the lower end face of the supporting base is fixed with a supporting bottom plate with the outer diameter larger than the outer diameter of the supporting bottom plate; the clamping claw on the rotating shaft is clamped and fixed on the clamping step or the supporting bottom plate of the supporting base; after the CV joint is installed, the distance from the center plane of the CV joint steel ball to the lower end surface of the supporting base or the lower end surface of the supporting bottom plate is kept unchanged, so that the relative position of the CV joint on equipment is ensured; the central axes of the supporting base, the rotating shaft and the output shaft of the servo motor are coincident.

2. The CV joint moment detection rotating tooling of claim 1, wherein: the structure of the upper port of the support base matched with the part from the bearing end face of the CV joint to the upper end of the external spline is as follows: the upper part of the upper port of the supporting base is a plane matched with the end face of the bearing of the CV joint, and the lower part of the upper port of the supporting base is a conical hole matched with the part between the internal spline and the plane.

3. The CV joint moment detection rotating tooling of claim 1, wherein: the structure of the upper port of the support base matched with the part from the bearing end face of the CV joint to the upper end of the external spline is as follows: the port on the support base is a plane matched with the bearing end face of the CV joint, a step hole is arranged between the internal spline and the plane, and the step hole is formed from top to bottom: large cylindrical holes, large tapered holes, small cylindrical holes, and small tapered holes.

4. The CV joint moment detection rotating tooling of claim 1 or 2 or 3, wherein: the clamping claw is rotatably fixed on the wall of the upper end part of the rotating shaft, and the specific structure is as follows: the outer wall of the upper end part of the rotating shaft is of an I-shaped structure and consists of an upper end plate, a lower end plate and an inward concave cylindrical wall; the middle parts of the clamping claws are respectively fixed on the protruding blocks which evenly protrude from the upper end plate through transverse pin shafts, the springs are fixed at the lower ends of the protruding blocks, and the clamping convex tables at the upper ends of the clamping convex tables are clamped on the clamping steps or the supporting bottom plates which are fixed on the supporting base; the other end of the spring is propped and fixed in a spring groove formed on the inner concave cylinder wall.