CN117928458A - Inner chamfering depth measuring tool for universal joint inner star wheel - Google Patents

Inner chamfering depth measuring tool for universal joint inner star wheel Download PDF

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Publication number
CN117928458A
CN117928458A CN202311662600.XA CN202311662600A CN117928458A CN 117928458 A CN117928458 A CN 117928458A CN 202311662600 A CN202311662600 A CN 202311662600A CN 117928458 A CN117928458 A CN 117928458A
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CN
China
Prior art keywords
sliding seat
star wheel
adjusting
arc
shaft
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Pending
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CN202311662600.XA
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Chinese (zh)
Inventor
徐千里
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Xiangyang Enteen Yulong Transmission System Co ltd
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Xiangyang Enteen Yulong Transmission System Co ltd
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Application filed by Xiangyang Enteen Yulong Transmission System Co ltd filed Critical Xiangyang Enteen Yulong Transmission System Co ltd
Priority to CN202311662600.XA priority Critical patent/CN117928458A/en
Publication of CN117928458A publication Critical patent/CN117928458A/en
Pending legal-status Critical Current

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Abstract

The invention is suitable for the technical field of machining non-scalar tools, and provides a universal joint inner star wheel inner chamfer depth measuring tool, which comprises a mounting shaft and further comprises: the positioning mechanism comprises an arc-shaped positioning plate, the arc-shaped positioning plate is connected with a mounting shaft through an adjusting connecting rod, and a first adjusting assembly is further arranged on the mounting shaft; the measuring assembly comprises a sliding seat, a second adjusting assembly is further arranged on the mounting shaft, a positioning column is slidably mounted in the sliding seat, the positioning column is slidably mounted in the sliding seat along the radial direction of the mounting shaft, one end of the positioning column, which is positioned inside the sliding seat, is in contact with the inside of the sliding seat through a reset spring, and a pressure sensor is further arranged inside the sliding seat. The device is applicable to the inner star wheel in different apertures, and application scope is wide, and measurement process is simple swift, and work efficiency is high, and the dismouting process of device is convenient simultaneously, excellent in use effect.

Description

Inner chamfering depth measuring tool for universal joint inner star wheel
Technical Field
The invention belongs to the technical field of machining non-scalar tools, and particularly relates to a universal joint inner star wheel inner chamfer depth measuring tool.
Background
The universal joint inner star wheel belongs to a rotary part, the appearance of the rotary part is finished by turning, and the length and depth of a chamfer of an orifice are required to be controlled. The chamfering depth of the orifice is finished by two cutters, namely an end cutter and an inner hole cutter, so that the precise measurement and control of the chamfering length and the chamfering depth of the orifice are the necessary conditions for production.
The existing control orifice chamfer length and depth are generally detected by a projector, but the detection method mainly has the following technical problems in the use process: firstly, the projector detection method has low detection speed and low efficiency, and is not suitable for quick measurement application in production field environment; secondly, the projector detects the part that needs to cut, produces the part of scrapping, and measuring cost is higher.
Disclosure of Invention
The embodiment of the invention aims to provide a universal joint inner star wheel inner chamfer depth measuring tool, which aims to solve the problems in the background art.
The embodiment of the invention is realized in such a way that the inner chamfering depth measuring tool of the universal joint inner star wheel comprises a mounting shaft and further comprises:
The positioning mechanism comprises a plurality of arc positioning plates which are arranged around an installation shaft in a circular array manner, two adjusting connecting rods are symmetrically arranged on each arc positioning plate, one ends of the adjusting connecting rods are rotatably arranged on the arc positioning plates, one end, far away from the arc positioning plates, of one adjusting connecting rod on each arc positioning plate is rotatably arranged on the side wall of the installation shaft, one end, far away from the arc positioning plates, of the other adjusting connecting rod on each arc positioning plate is rotatably arranged on a first adjusting assembly arranged on the side wall of the installation shaft, and the first adjusting assembly adjusts the distance between the arc positioning plates and the installation shaft in a linear motion mode along the axial direction of the installation shaft;
The measuring assembly comprises a sliding seat which is arranged on an arc-shaped positioning plate in a sliding manner along the axial direction of an installation shaft, a guide chute matched with the sliding seat is arranged on the arc-shaped positioning plate, a second adjusting assembly which is used for driving the sliding seat to linearly move along the axial direction of the installation shaft is further arranged on the installation shaft, a positioning column is arranged in the sliding seat in a sliding manner along the radial direction of the installation shaft, the positioning column is arranged in the sliding seat in a sliding manner, one end of the positioning column, which is positioned inside the sliding seat, is in contact with the sliding seat through a reset spring, and a pressure sensor is further arranged inside the sliding seat.
According to a further technical scheme, four arc-shaped positioning plates are arranged on the circumferential annular columns of the installation shaft.
Further technical scheme, first adjusting part is including the cover locating the epaxial adjusting ring of installation, just the lateral wall outside of installation axle is provided with adjusting ring complex first screw thread section, rotate on the lateral wall of adjusting ring and install the rotation go-between, and each with first adjusting part is connected the regulation connecting rod is all rotated and is installed on rotating the go-between.
Further technical scheme, the second adjusting part is including installing the connecting rod axle in the installation axle, just the tip of installation axle is run through to the one end of connecting rod axle, be provided with the second screw thread section on the connecting rod axle, just the second screw thread section passes through screw-thread fit connection with the tip of installation axle, the connecting rod axle is located the inside one end ring of installation axle and is listed as and install a plurality of elastic expansion rods, just the quantity of elastic expansion rod is the same with the quantity of measuring part, each elastic expansion rod all runs through the lateral wall of installation axle and slidable mounting is on the installation axle, each elastic expansion rod keeps away from the one end of connecting rod axle and is connected with a sliding seat respectively.
According to a further technical scheme, a holding block is arranged at one end of the connecting rod shaft, which is located outside the mounting shaft, and an anti-slip roller pattern is arranged on the holding block.
According to a further technical scheme, one end of the positioning column, which is positioned outside the sliding seat, is hemispherical, so that the end part of the positioning column is always in point contact with the side wall of the inner star wheel hole.
According to the technical scheme, the sliding seat is internally provided with the electromagnet, the elastic acting force of the reset spring on the positioning column can be adjusted by controlling the magnetic attraction of the electromagnet, so that the expansion and contraction amount of the positioning column in a free state is adjusted, the end part of the ball head end of the positioning column is always kept in a state of being contacted with the upper edge of the inner chamfer of the inner star wheel hole, and the inner chamfer with different inclinations is adapted.
Another object of the embodiment of the present invention is to provide a method for measuring the depth of an inner chamfer of a universal joint inner star wheel, based on the above-mentioned measuring tool for measuring the depth of an inner chamfer of a universal joint inner star wheel, comprising the following steps:
step 1, firstly enabling the whole device to pass through a hole in the middle of an inner star wheel, enabling the side wall of a positioning column in each measuring assembly to be overlapped on the end face of the inner star wheel, then adjusting the distance between an arc-shaped positioning plate and a mounting shaft through a first adjusting assembly, enabling the outer side of each arc-shaped positioning plate to be abutted against the inner wall of the inner star wheel hole, and fixing the device on the inner star wheel under the interaction of each arc-shaped positioning plate;
Step 2, starting a second adjusting assembly, driving the sliding seat to slide downwards along the guide chute through the second adjusting assembly, driving the sliding seat to gradually move towards the inside of the inner star wheel hole, enabling the reset spring to be extruded and gradually contracted into the sliding seat, continuously compressing the reset spring, enabling the positioning column to be completely contracted into the sliding seat when the positioning column moves to be in contact with the inner wall of the inner star wheel, and synchronously extruding the pressure sensor;
And 3, when the pressure sensor displays that the pressure is received, the distance that the second adjusting component controls the sliding seat to move at the moment is indicated to be the inner chamfering depth of the inner star wheel.
When the universal joint inner star wheel inner chamfer depth measuring tool provided by the embodiment of the invention is used, the whole device firstly passes through the hole in the middle of the inner star wheel, the side wall of the positioning column in each measuring assembly is lapped on the end face of the inner star wheel, then the distance between the arc-shaped positioning plates and the mounting shaft is adjusted through the first adjusting assembly, the outer sides of the arc-shaped positioning plates are abutted against the inner wall of the inner star wheel hole, and the device can be fixed on the inner star wheel under the interaction of the arc-shaped positioning plates. Then, the second adjusting assembly can be started, and the sliding seat is driven to slide downwards along the guide sliding groove through the second adjusting assembly, so that the sliding seat is driven to gradually move towards the inside of the inner star wheel hole. In the process, the reset spring is extruded to gradually retract into the sliding seat and is continuously compressed, and when the positioning column moves to be in contact with the inner wall of the inner star wheel, the positioning column can completely retract into the sliding seat and synchronously extrude the pressure sensor, and when the pressure sensor displays that the pressure is received, the distance for controlling the sliding seat to move by the second adjusting component is the depth of the inner chamfer of the inner star wheel. The device is applicable to the inner star wheel in different apertures, and application scope is wide, and measurement process is simple swift, and work efficiency is high, and the dismouting process of device is convenient simultaneously, excellent in use effect.
Drawings
FIG. 1 is a schematic structural diagram of a measuring tool for depth of an inner chamfer of an inner star wheel of a universal joint according to an embodiment of the present invention;
FIG. 2 is a top view of a universal joint inner star wheel inner chamfer depth gauge according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion B of FIG. 1in a universal joint inner spider inner chamfer depth gauge according to an embodiment of the present invention;
FIG. 4 is a partial cross-sectional view of a measurement assembly 4 in a universal joint inner star wheel inner chamfer depth gauge according to an embodiment of the present invention;
fig. 5 is an a-direction cross-sectional view of fig. 2 in a universal joint inner star wheel inner chamfer depth gauge according to an embodiment of the present invention.
In the accompanying drawings: a mounting shaft 1; a positioning mechanism 2; an arc-shaped positioning plate 21; an adjustment link 22; a guide chute 23; a first adjustment assembly 3; an adjusting ring 31; a first thread segment 32; rotating the connecting ring 33; a measuring assembly 4; a slide seat 41; a positioning post 42; a return spring 43; a pressure sensor 44; a second adjustment assembly 5; a link lever shaft 51; an elastic telescopic rod 52; a second thread segment 53; grip block 54.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 5, a universal joint inner star wheel inner chamfer depth measuring tool according to an embodiment of the present invention includes a mounting shaft 1, and further includes:
The positioning mechanism 2 comprises a plurality of arc positioning plates 21 which are annularly arranged around the mounting shaft 1, two adjusting connecting rods 22 are symmetrically arranged on each arc positioning plate 21, one end of each adjusting connecting rod 22 is rotatably arranged on each arc positioning plate 21, one end, away from the arc positioning plates 21, of one adjusting connecting rod 22 on each arc positioning plate 21 is rotatably arranged on the side wall of the mounting shaft 1, one end, away from the arc positioning plates 21, of the other adjusting connecting rod 22 on each arc positioning plate 21 is rotatably arranged on a first adjusting assembly 3 arranged on the side wall of the mounting shaft 1, and the first adjusting assembly 3 adjusts the distance between the arc positioning plates 21 and the mounting shaft 1 in a linear motion mode along the axial direction of the mounting shaft 1;
The measuring assembly 4, the measuring assembly 4 includes the sliding seat 41 of axial slidable mounting on the arc locating plate 21 along installation axle 1, just be provided with on the arc locating plate 21 with the guide chute 23 of sliding seat 41 matching, still be provided with on the installation axle 1 and be used for driving sliding seat 41 and carry out linear motion's second adjusting part 5 along the axial of installation axle 1, slidable mounting has reference column 42 in the sliding seat 41, just radial slidable mounting in the sliding seat 41 of reference column 42 along installation axle 1, the one end that reference column 42 is located the inside of sliding seat 41 passes through reset spring 43 and the inside contact of sliding seat 41, just the inside of sliding seat 41 still is provided with pressure sensor 44.
In the embodiment of the invention, four arc-shaped positioning plates 21 are arranged on the circumferential annular columns of the mounting shaft 1. In the initial state, the distance between the arc-shaped positioning plate 21 and the mounting shaft 1 is the smallest. When the device is used, the whole device passes through the hole in the middle of the inner star wheel, the side wall of the positioning column 42 in each measuring assembly 4 is lapped on the end face of the inner star wheel, then the distance between the arc-shaped positioning plate 21 and the mounting shaft 1 is adjusted through the first adjusting assembly 3, the outer side of each arc-shaped positioning plate 21 is abutted with the inner wall of the hole of the inner star wheel, and the device can be fixed on the inner star wheel under the interaction of each arc-shaped positioning plate 21. Then, the second adjusting component 5 can be started, and the sliding seat 41 is driven to slide downwards along the guiding chute 23 by the second adjusting component 5, so that the sliding seat 41 is driven to gradually move towards the inside of the inner star wheel hole. In this process, the return spring 43 is extruded and gradually contracted into the sliding seat 41, and the return spring 43 is continuously compressed, and when the positioning column 42 moves to contact with the inner wall of the inner star wheel, the positioning column 42 is completely contracted into the sliding seat 41, and simultaneously can extrude the pressure sensor 44, and when the pressure sensor 44 displays that the pressure is received, the distance that the second adjusting component 5 controls the sliding seat 41 to move at this time is the depth of the inner chamfer of the inner star wheel.
As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the first adjusting assembly 3 includes an adjusting ring 31 sleeved on the mounting shaft 1, and a first threaded section 32 matched with the adjusting ring 31 is disposed on the outer side of the side wall of the mounting shaft 1, a rotating connecting ring 33 is rotatably mounted on the side wall of the adjusting ring 31, and each adjusting connecting rod 22 connected to the first adjusting assembly 3 is rotatably mounted on the rotating connecting ring 33.
In the embodiment of the invention, when the adjusting ring 31 is used, only the adjusting ring 31 is required to be rotated, the adjusting ring 31 can move along the axial direction of the mounting shaft 1 under the cooperation of the adjusting ring 31 and the first thread section 32, the adjusting ring 31 can drive the first thread section 32 to synchronously move along the axial direction of the mounting shaft 1, the first thread section 32 can drive the adjusting connecting rod 22 to move, so that the arc-shaped positioning plate 21 is driven by the adjusting connecting rod 22 to synchronously move, and the distance between the arc-shaped positioning plate 21 and the mounting shaft 1 can be adjusted, so that the arc-shaped positioning plate 21 can be contacted with the hole walls of inner star wheel holes with different sizes.
As shown in fig. 1 and 5, as a preferred embodiment of the present invention, the second adjusting assembly 5 includes a connecting rod shaft 51 installed in the installation shaft 1, one end of the connecting rod shaft 51 penetrates through the end of the installation shaft 1, a second threaded section 53 is disposed on the connecting rod shaft 51, the second threaded section 53 is connected with the end of the installation shaft 1 through a threaded fit, a plurality of elastic telescopic rods 52 are installed on an end ring column of the connecting rod shaft 51 located inside the installation shaft 1, the number of the elastic telescopic rods 52 is equal to that of the measuring assemblies 4, each elastic telescopic rod 52 penetrates through the side wall of the installation shaft 1 and is slidably installed on the installation shaft 1, and one end of each elastic telescopic rod 52 away from the connecting rod shaft 51 is connected with one sliding seat 41.
In the embodiment of the invention, when the device is used, an operator only needs to rotate the connecting rod shaft 51, under the cooperation of the second thread section 53 and the end part of the installation shaft 1, the connecting rod shaft 51 slides along the axial direction of the installation shaft 1 while rotating, the connecting rod shaft 51 can push the elastic telescopic rod 52 to synchronously slide along the axial direction of the installation shaft 1, and the elastic telescopic rod 52 can drive the corresponding sliding seat 41 to slide along the guide sliding groove 23 formed on the arc-shaped positioning plate 21, so that the sliding seat 41 gradually penetrates into the inner star wheel hole, and the depth measurement of the inner chamfer of the inner star wheel is completed.
As shown in fig. 1, as a preferred embodiment of the present invention, a grip block 54 is provided at one end of the connection rod shaft 51 located outside the installation shaft 1, and an anti-slip roller is provided on the grip block 54.
In the embodiment of the present invention, by providing the grip block 54, the operator can grip conveniently, thereby facilitating control of the link lever shaft 51. The grip block 54 provides an additional anti-slip effect, which facilitates the fine adjustment operation and prevents the occurrence of inaccurate detection results due to slipping during operation.
As shown in fig. 4, as a preferred embodiment of the present invention, the end of the positioning post 42 located outside the sliding seat 41 is hemispherical, so as to ensure that the end of the positioning post 42 is always in point contact with the side wall of the inner star wheel hole.
As a preferred embodiment of the present invention, an electromagnet is further installed in the sliding seat 41, and by controlling the magnetic attraction of the electromagnet, the elastic force of the return spring 43 acting on the positioning column 42 can be adjusted, so as to adjust the expansion and contraction amount of the positioning column 42 in a free state, so that the end of the ball end of the positioning column 42 always maintains a contact state with the upper edge of the inner chamfer of the inner star wheel hole, and thus the inner chamfer with different inclination is adapted. And in this state, the measurement of the length of the inner chamfer can be achieved by recording the movement stroke in the retraction process of the positioning column 42.
The invention provides a method for measuring the depth of an inner chamfer of a universal joint inner star wheel, which is based on the measuring tool for the depth of the inner chamfer of the universal joint inner star wheel, and comprises the following steps:
Step 1, firstly enabling the whole device to pass through a hole in the middle of an inner star wheel, enabling the side wall of a positioning column 42 in each measuring assembly 4 to be overlapped on the end face of the inner star wheel, then adjusting the distance between each arc-shaped positioning plate 21 and the mounting shaft 1 through the first adjusting assembly 3, enabling the outer side of each arc-shaped positioning plate 21 to be abutted against the inner wall of the hole of the inner star wheel, and fixing the device on the inner star wheel under the interaction of each arc-shaped positioning plate 21;
Step 2, starting a second adjusting assembly 5, driving the sliding seat 41 to slide downwards along the guide chute 23 through the second adjusting assembly 5, so as to drive the sliding seat 41 to gradually move towards the inside of the inner star wheel hole, gradually retracting the sliding seat 41 by extrusion of the return spring 43, continuously compressing the return spring 43, completely retracting the positioning column 42 into the sliding seat 41 when the positioning column 42 moves to contact with the inner wall of the inner star wheel, and synchronously extruding the pressure sensor 44;
and 3, when the pressure sensor 44 displays that the pressure is received, the distance that the second adjusting assembly 5 controls the sliding seat 41 to move at the moment is the inner chamfering depth of the inner star wheel.
In the step 1, as a preferred embodiment of the present invention, only the adjusting ring 31 in the first adjusting component 3 is required to be rotated, under the cooperation of the adjusting ring 31 and the first threaded section 32, the adjusting ring 31 moves along the axial direction of the mounting shaft 1, the adjusting ring 31 can drive the first threaded section 32 to synchronously move along the axial direction of the mounting shaft 1, the first threaded section 32 can drive the adjusting link 22 to move, so that the adjusting link 22 drives the arc-shaped positioning plate 21 to synchronously move, and the distance between the arc-shaped positioning plate 21 and the mounting shaft 1 can be adjusted, so that the arc-shaped positioning plate 21 can be contacted with the hole walls of inner star wheel holes with different sizes.
In the step 2, as a preferred embodiment of the present invention, only the connecting rod shaft 51 in the second adjusting assembly 5 is required to be rotated, under the cooperation of the second threaded section 53 and the end portion of the mounting shaft 1, the connecting rod shaft 51 slides along the axial direction of the mounting shaft 1 while rotating, the connecting rod shaft 51 can push the elastic telescopic rod 52 to slide along the axial direction of the mounting shaft 1 synchronously, and the elastic telescopic rod 52 can drive the corresponding sliding seat 41 to slide along the guiding chute 23 formed on the arc-shaped positioning plate 21, so that the sliding seat 41 gradually penetrates into the inner star wheel hole, and the depth measurement of the inner chamfer of the inner star wheel is completed.
Working principle: in the initial state, the distance between the arc-shaped positioning plate 21 and the mounting shaft 1 is the smallest. When the device is used, the whole device passes through a hole in the middle of the inner star wheel, the side walls of the positioning columns 42 in each measuring assembly 4 are lapped on the end face of the inner star wheel, then the distance between the arc-shaped positioning plates 21 and the mounting shaft 1 is adjusted through the first adjusting assembly 3, specifically, the adjusting ring 31 is only required to be rotated, under the matching action of the adjusting ring 31 and the first thread sections 32, the adjusting ring 31 can move along the axial direction of the mounting shaft 1, the adjusting ring 31 can drive the first thread sections 32 to synchronously move along the axial direction of the mounting shaft 1, the first thread sections 32 can drive the adjusting connecting rods 22 to move, so that the arc-shaped positioning plates 21 are driven to synchronously move through the adjusting connecting rods 22, and the distance between the arc-shaped positioning plates 21 and the mounting shaft 1 can be adjusted, so that the arc-shaped positioning plates 21 can be contacted with the hole walls of the inner star wheel holes, and the device can be fixed on the inner star wheel under the interaction action of each arc-shaped positioning plate 21. Then, the second adjusting component 5 can be started, the sliding seat 41 is driven to slide downwards along the guiding chute 23 by the second adjusting component 5, specifically, an operator only needs to rotate the connecting rod shaft 51, under the cooperation of the second threaded section 53 and the end part of the mounting shaft 1, the connecting rod shaft 51 slides along the axial direction of the mounting shaft 1 while rotating, the connecting rod shaft 51 can push the elastic telescopic rod 52 to slide synchronously along the axial direction of the mounting shaft 1, and the elastic telescopic rod 52 can drive the corresponding sliding seat 41 to slide along the guiding chute 23 formed on the arc-shaped positioning plate 21, so that the sliding seat 41 is driven to gradually move towards the inner part of the inner star wheel hole. In this process, the return spring 43 is extruded and gradually contracted into the sliding seat 41, and the return spring 43 is continuously compressed, and when the positioning column 42 moves to contact with the inner wall of the inner star wheel, the positioning column 42 is completely contracted into the sliding seat 41, and simultaneously can extrude the pressure sensor 44, and when the pressure sensor 44 displays that the pressure is received, the distance that the second adjusting component 5 controls the sliding seat 41 to move at this time is the depth of the inner chamfer of the inner star wheel.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims (9)

1. The utility model provides a universal joint inner star gear inner chamfer degree of depth measuring tool which characterized in that, including the installation axle, still include:
The positioning mechanism comprises a plurality of arc positioning plates which are arranged around an installation shaft in a circular array manner, two adjusting connecting rods are symmetrically arranged on each arc positioning plate, one ends of the adjusting connecting rods are rotatably arranged on the arc positioning plates, one end, far away from the arc positioning plates, of one adjusting connecting rod on each arc positioning plate is rotatably arranged on the side wall of the installation shaft, one end, far away from the arc positioning plates, of the other adjusting connecting rod on each arc positioning plate is rotatably arranged on a first adjusting assembly arranged on the side wall of the installation shaft, and the first adjusting assembly adjusts the distance between the arc positioning plates and the installation shaft in a linear motion mode along the axial direction of the installation shaft;
The measuring assembly comprises a sliding seat which is arranged on an arc-shaped positioning plate in a sliding manner along the axial direction of an installation shaft, a guide chute matched with the sliding seat is arranged on the arc-shaped positioning plate, a second adjusting assembly which is used for driving the sliding seat to linearly move along the axial direction of the installation shaft is further arranged on the installation shaft, a positioning column is arranged in the sliding seat in a sliding manner along the radial direction of the installation shaft, the positioning column is arranged in the sliding seat in a sliding manner, one end of the positioning column, which is positioned inside the sliding seat, is in contact with the sliding seat through a reset spring, and a pressure sensor is further arranged inside the sliding seat.
2. The universal joint inner star wheel inner chamfer depth gauge according to claim 1, wherein four arc-shaped positioning plates are mounted on the circumferential annular row of the mounting shaft.
3. The universal joint inner star wheel inner chamfer depth measuring tool according to claim 1, wherein the first adjusting component comprises an adjusting ring sleeved on the mounting shaft, a first threaded section matched with the adjusting ring is arranged outside the side wall of the mounting shaft, a rotary connecting ring is rotatably installed on the side wall of the adjusting ring, and each adjusting connecting rod connected with the first adjusting component is rotatably installed on the rotary connecting ring.
4. The universal joint inner star wheel inner chamfer depth measuring tool according to claim 1, wherein the second adjusting component comprises a connecting rod shaft installed in the installation shaft, one end of the connecting rod shaft penetrates through the end portion of the installation shaft, a second threaded section is arranged on the connecting rod shaft and is connected with the end portion of the installation shaft through threaded fit, a plurality of elastic telescopic rods are installed on an end ring row of the connecting rod shaft located inside the installation shaft, the number of the elastic telescopic rods is the same as that of the measuring components, each elastic telescopic rod penetrates through the side wall of the installation shaft and is slidably installed on the installation shaft, and one end, away from the connecting rod shaft, of each elastic telescopic rod is connected with one sliding seat.
5. The universal joint inner star wheel inner chamfer depth gauge according to claim 4, wherein the end of the connecting rod shaft outside the mounting shaft is provided with a gripping block.
6. The universal joint inner star wheel inner chamfer depth gauge according to claim 5, wherein the grip block is provided with anti-slip roller patterns.
7. The universal joint inner star wheel inner chamfer depth gauge according to claim 1, wherein one end of the positioning column positioned outside the sliding seat is hemispherical.
8. The universal joint inner star wheel inner chamfer depth gauge according to claim 7, wherein an electromagnet for adjusting the expansion and contraction amount of the positioning column in a free state is further installed in the sliding seat.
9. The method for measuring the depth of the inner chamfer of the universal joint inner star wheel based on the measuring tool for the depth of the inner chamfer of the universal joint inner star wheel according to any one of the claims 1 to 8, is characterized by comprising the following steps:
Step 1, firstly enabling the whole device to pass through a hole in the middle of an inner star wheel, enabling the side wall of a positioning column in each measuring assembly to be overlapped on the end face of the inner star wheel, then adjusting the distance between an arc-shaped positioning plate and a mounting shaft through a first adjusting assembly, enabling the outer side of each arc-shaped positioning plate to be abutted against the inner wall of the hole of the inner star wheel, and fixing the device on the inner star wheel under the interaction of each arc-shaped positioning plate;
step 2, starting a second adjusting assembly, driving the sliding seat to slide downwards along the guide chute through the second adjusting assembly, driving the sliding seat to gradually move towards the inside of the inner star wheel hole, gradually retracting the reset spring into the sliding seat by extrusion, continuously compressing the reset spring, completely retracting the positioning column into the sliding seat when the positioning column moves to contact with the inner wall of the inner star wheel, and synchronously extruding the pressure sensor;
And 3, when the pressure sensor displays that the pressure is received, the distance that the second adjusting component controls the sliding seat to move at the moment is indicated to be the inner chamfering depth of the inner star wheel.
CN202311662600.XA 2023-12-06 2023-12-06 Inner chamfering depth measuring tool for universal joint inner star wheel Pending CN117928458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311662600.XA CN117928458A (en) 2023-12-06 2023-12-06 Inner chamfering depth measuring tool for universal joint inner star wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311662600.XA CN117928458A (en) 2023-12-06 2023-12-06 Inner chamfering depth measuring tool for universal joint inner star wheel

Publications (1)

Publication Number Publication Date
CN117928458A true CN117928458A (en) 2024-04-26

Family

ID=90767316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311662600.XA Pending CN117928458A (en) 2023-12-06 2023-12-06 Inner chamfering depth measuring tool for universal joint inner star wheel

Country Status (1)

Country Link
CN (1) CN117928458A (en)

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