CN210426370U - Device for detecting spherical cage shell spherical channel radius difference - Google Patents
Device for detecting spherical cage shell spherical channel radius difference Download PDFInfo
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- CN210426370U CN210426370U CN201921577715.8U CN201921577715U CN210426370U CN 210426370 U CN210426370 U CN 210426370U CN 201921577715 U CN201921577715 U CN 201921577715U CN 210426370 U CN210426370 U CN 210426370U
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Abstract
The utility model discloses a device for detecting the spherical cage shell spherical path radius difference, which comprises a base, a ball detecting component, a lifting shaft, a distance measuring instrument and an elastic component; the base is provided with an accommodating cavity with an upward opening, the lifting shaft can be arranged in the accommodating cavity in a sliding manner, and the elastic piece is connected between the lifting shaft and the accommodating cavity; the top of the lifting shaft is a cone part, three slideways are arranged on the top of the base around the split ring of the accommodating cavity, the ball detection assemblies are three groups and can be arranged in the corresponding slideways in a sliding manner, each ball detection assembly comprises a detection ball and a sliding seat, and the sliding seat can be embedded in the slideways in a sliding manner; the probe portion level of distancer is violently put into and is held the intracavity, is provided with on the lift axle with this probe portion relative wedge detection face, this distancer be used for measure with the relative distance between the wedge detection face. The utility model discloses simple structure, convenient operation through carrying out the comparison to the numerical value that distancer shows in twice or the more than twice detection, can be convenient reach the radius difference of ball cage shell lane.
Description
Technical Field
The utility model relates to an examine technical field, in particular to a device that is used for poor detection of ball cage shell lane radius.
Background
The constant speed driving shaft is a mechanism for connecting two shafts with non-coincident axes and transmitting the two shafts at the same angular speed, and the constant speed driving shaft is used for transmitting the power of an engine from a speed changer to an automobile wheel and meeting the requirement of the outer end corner of a vehicle transmission shaft. The existing constant-speed driving shaft comprises a first universal joint arranged at a wheel end, an intermediate shaft and a second universal joint arranged at a gearbox end, wherein two ends of the intermediate shaft are respectively connected with the first universal joint and the second universal joint; this second universal joint generally includes the ball cage shell, and star cover and the steel ball of setting in the ball cage shell, the jackshaft links to each other with the star cover, power transmission is realized along the lane roll of ball cage shell through the steel ball, however the ball cage shell is in the manufacturing process, the radius of lane can have certain error, if the lane radius difference of ball cage shell is too big, will have the abnormal sound, the shake scheduling problem appears, thereby the control reliability of constant speed drive shaft, there is safe risk, it is very necessary to design a section can make things convenient for effectual isolated plant that detects the lane radius difference of ball cage shell.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome defect among the above-mentioned prior art, provide a device that is used for poor detection of ball cage shell lane radius, through the principle of a circle of three point determination, through the numerical value to distancer demonstration in twice or the more than twice detection carry out the comparison, the radius that reachs the ball cage shell that can be convenient is poor.
In order to achieve the purpose, the utility model provides a device for detecting the spherical cage shell spherical path radius difference, which is characterized by comprising a base, a ball detecting component, a lifting shaft, a distance meter and an elastic part;
the base is provided with an accommodating cavity with an upward opening, the lifting shaft can be arranged in the accommodating cavity in a sliding manner, and the elastic piece is connected between the bottom of the lifting shaft and the bottom of the accommodating cavity;
the top of the lifting shaft extending out of the accommodating cavity is a cone part, three slide ways are arranged on the top of the base around the split ring of the accommodating cavity, the ball detection assemblies correspond to the slide ways in number and can be arranged in the corresponding slide ways in a sliding manner, each ball detection assembly comprises a detection ball and a sliding seat connected with the detection ball, and the sliding seat can be embedded in the slide ways in a sliding manner;
the probe part of the range finder is horizontally and transversely arranged in the accommodating cavity, the lifting shaft is provided with a wedge-shaped detection surface opposite to the probe part, and the range finder is used for measuring the relative distance between the distance and the wedge-shaped detection surface.
Further setting the following steps: the range finder is a dial indicator or a dial indicator, a probe part of the range finder is pressed on the wedge-shaped detection surface, the vertebral body part is of an inverted cone frustum structure with a large upper part and a small lower part, and the distance between the end surface of the wedge-shaped detection surface and the range finder is gradually increased from top to bottom.
Further setting the following steps: the range finder is an infrared distance measuring instrument, the cone body part is of an inverted cone frustum structure with a large upper part and a small lower part, and the distance between the end face of the wedge-shaped detection surface and the range finder is gradually reduced from top to bottom.
Further setting the following steps: the side wall of the base is provided with a notch communicated with the accommodating cavity, the lifting shaft is fixedly connected with an operating rod, and the operating rod extends to the outside of the base through the notch and is used for controlling the vertical movement of the lifting shaft.
Further setting the following steps: the sliding seat and the sliding seat are connected with a spring in an abutting mode, and the detection ball always has the trend of moving towards the lifting shaft under the action of the spring.
Compared with the prior art, the utility model has the advantages that the structure is simple, the operation is convenient, the principle that three points determine a circle is applied, the ball cage shell is sleeved outside the lifting shaft and the detection ball, the detection ball is arranged between the ball channel of the ball cage shell and the conical surface of the conical body part, the detection ball reliably supports between the ball channel and the conical surface under the combined action of the elastic part and the conical surface of the conical body part, and the distance meter measures a first value; and then, rotating the ball cage shell, and similarly, obtaining a second numerical value measured by the distance measuring instrument, wherein the difference between the first numerical value and the second numerical value is the radius difference.
Drawings
Fig. 1 is a schematic perspective view of a device for detecting a spherical track radius difference of a ball cage shell according to the present invention;
FIG. 2 is a schematic perspective view of the device for detecting the cage shell;
FIG. 3 is a schematic view of the installation structure of the lifting shaft and the distance measuring instrument (dial indicator or dial indicator);
fig. 4 is a schematic view of the mounting structure of the elevating shaft and the distance measuring instrument (infrared distance measuring instrument).
The following reference numerals are marked thereon in conjunction with the accompanying drawings:
1. a base; 11. a slideway; 12. a notch; 2. a ball detection assembly; 21. detecting the ball; 22. a sliding seat; 3. a lifting shaft; 31. a vertebral body portion; 32. a wedge-shaped detection surface; 4. a range finder; 5. an elastic member; 6. an operating lever; 7. a ball cage shell; 71. and (4) a fairway.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
The utility model relates to a device for detecting the spherical cage shell raceway radius difference is shown in fig. 1 and 3, and comprises a base 1, a lifting shaft 3, a ball detecting component 2, a distance measuring instrument 4, an elastic part 5 and an operating rod 6, wherein the base 1 is provided with a containing cavity with an upward opening, the lifting shaft 3 is arranged in the containing cavity of the base 1 in a sliding manner, and the elastic part 5 is connected between the bottom of the lifting shaft 3 and the bottom of the containing cavity in a butting manner; the top end of the lifting shaft 3 extending out of the opening of the accommodating cavity is a cone part 31; the top end of the base 1 is provided with three slideways 11 around the opening circumference of the accommodating cavity, the number of the ball detection assemblies 2 is three corresponding to that of the slideways 11, and the ball detection assemblies are respectively arranged in the corresponding slideways 11 in a sliding manner; the ball detecting component 2 comprises a detecting ball 21 and a sliding seat 22 connected with the detecting ball 21, the sliding seat 22 is embedded in the slideway 11 in a sliding way, and the spherical surface of the detecting ball 21 can be abutted against the conical surface of the cone 31 by the sliding of the sliding seat 22 in the slideway 11; the probe part of the distance measuring instrument 4 is horizontally and transversely arranged in the accommodating cavity and corresponds to the wedge-shaped detection surface 32 arranged on the lifting shaft 3, so that the distance measuring instrument 4 corresponds to different positions of the wedge-shaped detection surface 32 in the lifting process of the lifting shaft 3, and different numerical values can be measured; this action bars 6 fixed connection is on lift axle 3 for control lift axle 3 up-and-down motion, corresponding, seted up on the lateral wall of base 1 with action bars 6 matched with vertical notch 12.
In the above solution, as shown in fig. 3, when the distance meter 4 is a dial indicator or a dial indicator, the probe part of the distance meter 4 is always pressed against the wedge-shaped detection surface 32; the tapered portion 31 at the tip of the elevating shaft 3 has an inverted truncated cone structure with a large top and a small bottom, and the distance from the inclined end surface of the wedge-shaped detection surface 32 to the distance meter 4 gradually increases from top to bottom.
In the above-described configuration, as shown in fig. 4, when the distance meter 4 is an infrared distance meter, the tapered portion 31 at the tip end of the lifting shaft 3 has an inverted truncated cone structure with a large top and a small bottom, and the distance from the inclined end surface of the wedge-shaped detection surface 32 to the distance meter 4 gradually decreases from top to bottom.
When the radius difference of the ball path 71 of the ball cage shell 7 is detected, as shown in fig. 2, the operating rod 6 is used for controlling the lifting shaft 3 to move vertically upwards, at this time, the elastic member 5 is stretched to have a restoring force, and the detection ball 21 approaches to the lifting shaft 3, so that the ball cage shell 7 can be sleeved outside the lifting shaft 3 and the detection ball 21, and the detection ball 21 is placed in the ball path 71 of the ball cage shell 7 (the ball cage shell 7 has six ball paths 71), the lifting shaft 3 moves downwards under the action of the tensile force of the elastic member 5, the three detection balls 21 synchronously move outwards under the action of the conical surface of the cone body part 31 until the detection ball 21 is stably abutted between the ball path 71 of the ball cage shell 7 and the conical surface of the cone body part 31, and at this time, the first numerical value displayed by the distance meter 4 is recorded; and then taking down the ball cage shell 7, rotating by a preset angle, sleeving the ball cage shell 7 outside the lifting shaft 3 and the detection ball 21, wherein the detection ball 21 is arranged in the other three ball paths 71 of the ball cage shell 7, similarly, recording a second numerical value displayed by the distance measuring instrument 4, and the difference value of the first numerical value and the second numerical value is the radius difference of the ball paths 71 of the ball cage shell 7.
In the above-described embodiment, a spring is preferably provided between the slide rail 11 and the slide base 22, and the spring always urges the detection ball 21 toward the lift shaft 3.
Compared with the prior art, the utility model has the advantages that the structure is simple, the operation is convenient, the principle that three points determine a circle is applied, the ball cage shell is sleeved outside the lifting shaft and the detection ball, the detection ball is arranged between the ball channel of the ball cage shell and the conical surface of the conical body part, the detection ball reliably supports between the ball channel and the conical surface under the combined action of the elastic part and the conical surface of the conical body part, and the distance meter measures a first value; and then, rotating the ball cage shell, and similarly, obtaining a second numerical value measured by the distance measuring instrument, wherein the difference between the first numerical value and the second numerical value is the radius difference.
The above disclosure is only for the embodiment of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.
Claims (5)
1. A device for detecting the radius difference of a spherical channel of a spherical cage shell is characterized by comprising a base, a spherical detecting assembly, a lifting shaft, a distance meter and an elastic piece;
the base is provided with an accommodating cavity with an upward opening, the lifting shaft can be arranged in the accommodating cavity in a sliding manner, and the elastic piece is connected between the bottom of the lifting shaft and the bottom of the accommodating cavity;
the top of the lifting shaft extending out of the accommodating cavity is a cone part, three slide ways are arranged on the top of the base around the split ring of the accommodating cavity, the ball detection assemblies correspond to the slide ways in number and can be arranged in the corresponding slide ways in a sliding manner, each ball detection assembly comprises a detection ball and a sliding seat connected with the detection ball, and the sliding seat can be embedded in the slide ways in a sliding manner;
the probe part of the range finder is horizontally and transversely arranged in the accommodating cavity, the lifting shaft is provided with a wedge-shaped detection surface opposite to the probe part, and the range finder is used for measuring the relative distance between the distance and the wedge-shaped detection surface.
2. The device for detecting the spherical cage shell spherical channel radius difference as claimed in claim 1, wherein the distance meter is a dial indicator or a dial indicator, a probe part of the distance meter is pressed against a wedge-shaped detection surface, the cone part is of an inverted cone frustum structure with a large upper part and a small lower part, and the distance between the end surface of the wedge-shaped detection surface and the distance meter is gradually increased from top to bottom.
3. The device for detecting the spherical cage shell spherical channel radius difference as claimed in claim 1, wherein the distance measuring instrument is an infrared distance measuring instrument, the cone body part is an inverted cone frustum structure with a large upper part and a small lower part, and the distance between the end surface of the wedge-shaped detection surface and the distance measuring instrument is gradually reduced from top to bottom.
4. The device for detecting the spherical cage shell spherical channel radius difference as claimed in claim 1, wherein a notch communicated with the accommodating cavity is formed in the side wall of the base, and an operating rod is fixedly connected to the lifting shaft and extends out of the base through the notch and is used for controlling the lifting shaft to move vertically.
5. The device for detecting the spherical cage shell spherical track radius difference as claimed in claim 1, wherein a spring is connected between the slide way and the sliding seat in an abutting manner, and the detection ball always has a tendency to move towards the lifting shaft under the action of the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577715.8U CN210426370U (en) | 2019-09-20 | 2019-09-20 | Device for detecting spherical cage shell spherical channel radius difference |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577715.8U CN210426370U (en) | 2019-09-20 | 2019-09-20 | Device for detecting spherical cage shell spherical channel radius difference |
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| CN210426370U true CN210426370U (en) | 2020-04-28 |
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| CN201921577715.8U Active CN210426370U (en) | 2019-09-20 | 2019-09-20 | Device for detecting spherical cage shell spherical channel radius difference |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455160A (en) * | 2019-09-20 | 2019-11-15 | 浙江向隆机械有限公司 | A kind of device for the detection of cage shell alley semidiameter |
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2019
- 2019-09-20 CN CN201921577715.8U patent/CN210426370U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455160A (en) * | 2019-09-20 | 2019-11-15 | 浙江向隆机械有限公司 | A kind of device for the detection of cage shell alley semidiameter |
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