CN215893442U - Gear ring jumping check tool - Google Patents
Gear ring jumping check tool Download PDFInfo
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- CN215893442U CN215893442U CN202121512790.3U CN202121512790U CN215893442U CN 215893442 U CN215893442 U CN 215893442U CN 202121512790 U CN202121512790 U CN 202121512790U CN 215893442 U CN215893442 U CN 215893442U
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- hole section
- clamp
- oil
- core rod
- dial indicator
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Abstract
The utility model provides a gear ring runout checking fixture which comprises a fixture, an inner bushing, a core rod and a dial indicator, wherein the core rod is of a solid cylindrical structure, and positioning grooves are formed in the circle centers of two end surfaces of the core rod; a stepped round hole is formed in the axis of the clamp, the stepped round hole divides the clamp into a large hole section and a small hole section, and the inner circle aperture of the large hole section is larger than that of the small hole section; the inner bushing is fixed in the large-hole section, an oil cavity is formed by the inner side wall of the large-hole section and the inner bushing and filled with hydraulic oil, a sealing ring is arranged at the port of the oil cavity, a spiral oil groove is formed in the inner side wall of the large-hole section, an oil drain hole penetrates through the side wall of the large-hole section, and an oil pressure adjusting device is arranged in the oil drain hole; the dial indicator is installed on the dial indicator support, the dial indicator support is arranged on the outer side of the clamp, and the dial indicator is matched with the clamp for use. Convenient to use, even to the work piece clamp force, it is accurate to detect.
Description
Technical Field
The utility model relates to the field of gear ring detection, in particular to a gear ring runout detection tool.
Background
In the process of machining and producing the half-shaft gear, for part of straight bevel gears, the jumping of a gear ring needs to be measured by taking a shaft neck as a reference, and the traditional detection method is to directly clamp the shaft neck by using a three-jaw chuck to detect the jumping. In the detection process, the three-point tightening force of the chuck is unbalanced during clamping, so that the gear is inclined, and the jumping detection is inaccurate; the three-jaw chuck is heavy, a workpiece to be measured needs to be conveyed to a special workbench, and the production efficiency is low; when the chuck is used for clamping, a certain clamping force is needed, and the shaft neck is easily crushed, so that the workpiece is scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, when a straight bevel gear measures the gear ring runout by taking a shaft neck as a reference, the detection is inaccurate, and a workpiece is easy to damage, and provides a gear ring runout detection tool which is convenient to use, uniform in workpiece clamping force and accurate in detection.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a gear ring runout gauge comprises a clamp, an inner bushing, a core rod and a dial indicator,
the core rod is of a solid cylindrical structure, and positioning grooves are formed in the circle centers of two end faces of the core rod;
a stepped round hole is formed in the axis of the clamp, the stepped round hole divides the clamp into a large hole section and a small hole section, and the inner circle aperture of the large hole section is larger than that of the small hole section; the inner circle aperture of the small hole section is equal to the outer circle aperture of the core rod, the inner bushing is fixed in the large hole section, an oil cavity is formed between the inner side wall of the large hole section and the inner bushing and filled with hydraulic oil, a sealing ring is arranged at the port of the oil cavity, a spiral oil groove is formed in the inner side wall of the large hole section, an oil drain hole penetrates through the side wall of the large hole section, and an oil pressure adjusting device is arranged in the oil drain hole; the dial indicator is installed on the dial indicator support, the dial indicator support is arranged on the outer side of the clamp, and the dial indicator is matched with the clamp for use.
Further, the oil pressure adjusting device includes: the piston is arranged in the oil drainage hole, and piston ring sealing hydraulic oil is arranged between the piston and the inner wall of the oil drainage hole; and the adjusting bolt is arranged at the port of the oil drain hole and pushes the piston to move.
Further, the sealing ring is made of high-temperature-resistant rubber or silica gel.
Further, the sealing ring is detachably mounted.
Furthermore, a rubber ring is arranged between the adjusting bolt and the clamp for sealing.
Furthermore, the rubber ring is detachably mounted.
Further, the outer surface of the clamp is provided with a wear-resistant scratch-resistant coating.
Furthermore, the gear ring runout testing fixture further comprises a base support, two thimble frames for fixing the mandril are arranged on the base support, and the thimble frames are abutted against positioning grooves in two end faces of the mandril to support the mandril.
Furthermore, the bottom of the base support is provided with an anti-skid pad.
Has the advantages that:
according to the technical scheme, the gear ring runout detection tool is provided, when the gear ring runout detection tool is used, a core rod is tightly assembled with a clamp through a clamp small hole section, then a workpiece journal to be detected is installed in an inner bushing, in the process of screwing down an adjusting bolt, the adjusting bolt pushes a piston, hydraulic oil generates pressure, the inner bushing deforms to clamp the workpiece journal to be detected, then the gear ring runout is detected through a dial indicator, and meanwhile, the reference point of the core rod rotates to measure the runout of one circle of a tooth surface. After the device is used, the adjusting bolt is loosened, the pressure of the piston on oil liquid is reduced, the clamping force of the inner bushing on the workpiece to be detected is reduced, and the workpiece can be taken down. The gear ring runout detection tool is simple and convenient to use and accurate in detection, and the working efficiency is improved; meanwhile, the clamping force on the shaft neck of the workpiece to be detected is uniform in the clamping process, and the workpiece is protected from being damaged.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a gear ring runout gauge of the present application;
FIG. 2 is a cross-sectional view of the clamp of the present application;
reference signs mean:
1. the fixture comprises a fixture, 2, an inner bushing, 3, a core rod, 4, a spiral oil groove, 5, an oil drain hole, 6, a piston, 7, an adjusting bolt, 8, a dial indicator bracket, 9 and a dial indicator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Similarly, the singular forms "a," "an," or "the" do not denote a limitation of quantity, but rather denote the presence of at least one, unless the context clearly dictates otherwise. The terms "comprises," "comprising," or the like, mean that the elements or items listed before "comprises" or "comprising" encompass the features, integers, steps, operations, elements, and/or components listed after "comprising" or "comprising," and do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly.
The utility model aims to solve the problem that in the prior art, the bounce of a gear ring needs to be measured by taking a shaft neck as a reference for part of straight bevel gears, and the traditional detection method is to directly clamp the shaft neck by using a three-jaw chuck to detect the bounce. In the detection process, the three-point tightening force of the chuck is unbalanced during clamping, so that the gear is inclined, and the jumping detection is inaccurate; the three-jaw chuck is heavy, a workpiece to be measured needs to be conveyed to a special workbench, and the production efficiency is low; the clamping of the chuck needs a certain clamping force, and the shaft neck is easily crushed, so that the workpiece is scrapped.
The utility model has the conception that a core rod is used for penetrating a workpiece, then the workpiece is clamped by a clamp, the core rod is rotated by taking the axis of the core rod as a reference, and the workpiece is measured by using a dial indicator. For the fixture, a stepped round hole is arranged, an inner bushing is arranged on the inner side of the large hole section, an adjusting bolt is rotated, liquid between the inner bushing and the fixture is pressed through a piston, and the inner bushing is extruded and deformed, so that uniform clamping force is generated on a workpiece, the detection is accurate, and the workpiece is protected from being damaged.
Examples
A gear ring runout gauge comprises a clamp 1, an inner bushing 2, a core rod 3 and a dial indicator 9,
the core rod 3 is of a solid cylindrical structure, and positioning grooves are formed in the circle centers of two end faces of the core rod 3;
a stepped round hole is formed in the axis of the clamp 1, the clamp 1 is divided into a large hole section and a small hole section by the stepped round hole, and the inner circle aperture of the large hole section is larger than that of the small hole section; the inner circle aperture of the small hole section is equal to the outer circle aperture of the core rod 3,
the inner bushing 2 is fixed in the large hole section, an oil cavity is formed by the inner side wall of the large hole section and the inner bushing 2 and filled with hydraulic oil, a sealing ring is arranged at the port of the oil cavity, a spiral oil groove 4 is formed in the inner side wall of the large hole section, an oil drain hole 5 penetrates through the side wall of the large hole section, and an oil pressure adjusting device is arranged in the oil drain hole 5;
the dial indicator 9 is installed on the dial indicator support 8, the dial indicator support 8 is arranged on the outer side of the clamp 1, and the dial indicator 9 is matched with the clamp 1 for use.
Specifically, the oil pressure adjusting device includes:
the piston 6 is arranged in the oil drain hole 5, and piston ring sealing hydraulic oil is arranged between the piston 6 and the inner wall of the oil drain hole 5;
and the adjusting bolt 7 is arranged at the port of the oil drain hole 5, and the adjusting bolt 7 pushes the piston 6 to move.
As shown in fig. 1, the application method of the gear ring runout gauge provided by the application comprises the following steps: the inner bushing 2 is arranged in the large hole section, the ports of the clamp 1 and the inner bushing 2 are sealed by using sealing rings, then hydraulic oil is injected into the spiral oil groove 4 through the oil drain hole 5, then the piston 6 is arranged, the hydraulic oil is sealed by using a piston ring, the adjusting bolt 7 is arranged again, and the piston 6 can be pushed to move by the adjusting bolt 7. When the device is used, the core rod 3 is tightly assembled with the clamp 1 through the small hole section of the clamp 1, then the shaft neck of a workpiece to be detected is arranged in the inner bushing 2, in the process of screwing the adjusting bolt 7, the adjusting bolt 7 pushes the piston 6, hydraulic oil generates pressure, the inner bushing 2 deforms and clamps the shaft neck of the workpiece to be detected, then the dial indicator 9 detects the jumping of the gear ring, and meanwhile, the core rod 3 rotates according to the reference point to measure the jumping of one circle of the tooth surface. After the device is used, the adjusting bolt 7 is loosened, the pressure of the piston 6 on oil liquid is reduced, the clamping force of the inner bushing 2 on the workpiece to be detected is reduced, and the workpiece can be taken down. The gear ring runout detection tool is simple and convenient to use and accurate in detection, and the working efficiency is improved; meanwhile, the clamping force on the shaft neck of the workpiece to be detected is uniform in the clamping process, and the workpiece is protected from being damaged.
Specifically, the sealing ring is made of high-temperature-resistant rubber or silica gel.
Specifically, the sealing ring is detachably mounted.
When the oil between the clamp 1 and the inner bushing 2 is sealed through the detachably mounted sealing ring, the aged sealing ring is replaced in time after long-time use, and the service life of the checking fixture is effectively guaranteed.
Specifically, a rubber ring is arranged between the adjusting bolt 7 and the clamp 1 for sealing.
Specifically, the rubber ring is detachably mounted.
Carry out the rubber circle to adjusting bolt 7 and seal, be to the secondary seal of fluid, prevent to reveal to fluid, lead to the clamp force not enough, lead to measuring inaccurate. Meanwhile, for the detachable structure of the rubber ring, the aged rubber ring is replaced in time, and the service life of the checking fixture is effectively protected.
Specifically, the outer surface of the clamp 1 is provided with a wear-resistant scratch-resistant coating.
Set up wear-resisting scratch-resistant coating at anchor clamps 1 surface, to anchor clamps 1 wearing and tearing in the use under the environment of effectively reducing mill, reduce because of the measuring error that anchor clamps 1 wearing and tearing produced, guarantee measurement accuracy.
Specifically, the gear ring runout testing fixture further comprises a base support, two thimble frames for fixing the mandril 3 are arranged on the base support, and the thimble frames are abutted against positioning grooves in two end faces of the mandril 3 to support the mandril 3.
Specifically, the bottom of the base support is provided with an anti-slip pad.
Through setting up the thimble frame to the base support, 3 both ends constant head tanks of plug are withstood to the thimble frame, and anchor clamps 1 is stable not rocked when the guarantee is measured, when guaranteeing measurement accuracy, improves detection efficiency.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be determined by the appended claims.
Claims (9)
1. The utility model provides a ring gear is beated and is examined utensil which characterized in that: comprises a clamp, an inner bushing, a core rod and a dial indicator,
the core rod is of a solid cylindrical structure, and positioning grooves are formed in the circle centers of two end faces of the core rod;
a stepped round hole is formed in the axis of the clamp, the stepped round hole divides the clamp into a large hole section and a small hole section, and the inner circle aperture of the large hole section is larger than that of the small hole section; the inner circle aperture of the small hole section is equal to the outer circle aperture of the core rod, the inner bushing is fixed in the large hole section, an oil cavity is formed between the inner side wall of the large hole section and the inner bushing and filled with hydraulic oil, a sealing ring is arranged at the port of the oil cavity, a spiral oil groove is formed in the inner side wall of the large hole section, an oil drain hole penetrates through the side wall of the large hole section, and an oil pressure adjusting device is arranged in the oil drain hole; the dial indicator is installed on the dial indicator support, the dial indicator support is arranged on the outer side of the clamp, and the dial indicator is matched with the clamp for use.
2. The ring gear runout gauge of claim 1, wherein: the oil pressure adjusting device includes:
the piston is arranged in the oil drainage hole, and piston ring sealing hydraulic oil is arranged between the piston and the inner wall of the oil drainage hole;
and the adjusting bolt is arranged at the port of the oil drain hole and pushes the piston to move.
3. The ring gear runout gauge of claim 1, wherein: the sealing ring is made of high-temperature-resistant rubber or silica gel.
4. The gear ring runout gauge of claim 3, wherein: the sealing ring is detachably mounted.
5. The ring gear runout gauge according to claim 2, wherein: and a rubber ring is arranged between the adjusting bolt and the clamp for sealing.
6. The gear ring runout gauge of claim 5, wherein: the rubber ring is detachably arranged.
7. The ring gear runout gauge of claim 1, wherein: and the outer surface of the clamp is provided with a wear-resistant scratch-resistant coating.
8. The ring gear runout gauge of claim 1, wherein: the core rod supporting device is characterized by further comprising a base support, wherein two thimble frames for fixing the core rod are arranged on the base support, and the thimble frames are used for supporting the positioning grooves in the two end faces of the core rod and supporting the core rod.
9. The ring gear runout gauge of claim 8, wherein: and the bottom of the base support is provided with an anti-slip pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121512790.3U CN215893442U (en) | 2021-07-05 | 2021-07-05 | Gear ring jumping check tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121512790.3U CN215893442U (en) | 2021-07-05 | 2021-07-05 | Gear ring jumping check tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215893442U true CN215893442U (en) | 2022-02-22 |
Family
ID=80561792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121512790.3U Active CN215893442U (en) | 2021-07-05 | 2021-07-05 | Gear ring jumping check tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215893442U (en) |
-
2021
- 2021-07-05 CN CN202121512790.3U patent/CN215893442U/en active Active
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