CN216977865U - Utensil is examined in special use of cross axle journal tapering short-term test - Google Patents
Utensil is examined in special use of cross axle journal tapering short-term test Download PDFInfo
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- CN216977865U CN216977865U CN202123271224.0U CN202123271224U CN216977865U CN 216977865 U CN216977865 U CN 216977865U CN 202123271224 U CN202123271224 U CN 202123271224U CN 216977865 U CN216977865 U CN 216977865U
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Abstract
The utility model discloses a special detection tool for rapidly detecting the taper of a journal of a universal joint pin, which relates to the field of universal joint pin detection and comprises a detection tool bottom plate and the like, wherein a detection end right-angle positioning block and a support end right-angle positioning block are symmetrically arranged on the detection tool bottom plate; the sensor clamping block is used for fixedly clamping the measuring sensor A and the measuring sensor B, measuring heads of the measuring sensor A and the measuring sensor B are respectively in contact with the highest points of the excircle on two sides of the journal of the detecting end of the cross shaft to be measured, and the measuring heads are used for measuring the outer diameter size of the journal at the corresponding position and displaying the measured conicity value through an electronic display screen. The detection method comprises the steps of adjusting, zeroing, setting parameters, measuring and repeating measurement. The utility model adopts the connection of the two sensor measuring heads and the display screen to replace the traditional dial indicator measuring method, the measuring result is visually displayed, the reading is convenient, the detecting position is accurate, the measuring is easy to operate, and the detecting speed is high.
Description
Technical Field
The utility model relates to the field of detection of a cross shaft, in particular to a special detection tool for rapidly detecting the taper of a journal of the cross shaft.
Background
In the prior art, for a method for measuring the taper of a journal of a cross shaft, diameters at corresponding positions are respectively measured, and half of the difference value of the diameters at the two positions is the taper value of a specified area of the journal. Because the detection position is difficult to accurately grasp, the detection data needs to be calculated to obtain the taper value, the taper value of the shaft neck cannot be directly read, and the field detection and the control are not facilitated. This approach also has the following drawbacks:
1. because the end face is not provided with the positioning end face baffle, the taper detection judges the moving distance by observing the size position in the length direction of the shaft diameter, the detection position cannot be accurately judged, and the measuring result is greatly influenced; and when the universal joint pin shaft neck moves on the special checking fixture, because the universal joint pin shaft neck has conicity, a positioning fulcrum changes during detection, and the problem that detection data is distorted and inaccurate is caused.
2. The measurement values of two points on the shaft diameter cannot be intuitively read or displayed, the measurement can be read only by moving the workpiece left and right, the measurement method is not intuitive, and the measurement speed is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, provides a special detection tool for rapidly detecting the taper of a journal of a universal joint pin, solves the problems that the detection position of the taper of the journal of the universal joint pin is not accurately grasped and the detection data is inaccurate in the detection method in the prior art, can solve the problem that the measurement speed of the outer diameter of the universal joint pin with the taper is low, can solve the problem of measurement result errors, and improves the accuracy and the intuition of the detection data.
The purpose of the utility model is achieved by the following technical scheme: the special detection tool for rapidly detecting the taper of the journal of the universal joint pin comprises a detection tool bottom plate, a detection end right-angle positioning block, a support end right-angle positioning block, an electronic display screen, the universal joint pin to be detected, a measurement sensor A, a measurement sensor B, a support rod and a sensor clamping block, wherein the detection end right-angle positioning block and the support end right-angle positioning block are symmetrically arranged on the detection tool bottom plate; an end face baffle is arranged at the upper end part of the detection end right-angle positioning block and is contacted with and blocked by the end face of the detection end so as to limit the horizontal movement of the cross shaft to be detected; the supporting rod is fixed on one side, close to the detection end, of the bottom plate of the checking fixture, a sensor clamping block is arranged on the supporting rod and used for fixedly clamping a measurement sensor A and a measurement sensor B, the measurement sensor A and the measurement sensor B are arranged at intervals, measuring heads of the measurement sensor A and the measurement sensor B are respectively in contact with the highest point of the excircle on two sides of a journal of the detection end of the cross shaft to be detected and used for measuring the outer diameter size of the journal at the corresponding position; the measuring sensor A and the measuring sensor B are respectively and electrically connected with the electronic display screen and used for transmitting measuring data, and the electronic display screen is used for calculating and displaying the measured conicity value.
As a further technical scheme, the bottom of the bottom plate of the checking fixture is supported through a bottom plate support screw.
As a further technical scheme, the bottoms of the detection end right-angle positioning block and the support end right-angle positioning block are fixedly connected with the detection tool bottom plate through foot nuts.
As a further technical scheme, a red display lamp, a green display lamp and a buzzer are arranged on the electronic display screen, and when the taper of the cross shaft to be measured is within an allowable range, the green display lamp is turned on; when the taper of the cross shaft to be measured exceeds the allowable range, the red display lamp is turned on, and meanwhile, the buzzer gives out an alarm sound.
As a further technical scheme, an upper clamping block and a lower clamping block are arranged on one side, close to the detection end, of the sensor clamping block, the length of the upper clamping block is larger than that of the lower clamping block, the measuring sensor A penetrates through the upper clamping block and then is locked and fixed through a locking nut, and the measuring sensor B penetrates through the upper clamping block and the lower clamping block in sequence and then is locked and fixed through the locking nut.
As a further technical scheme, the sensor clamping block is fixed on the supporting rod through a clamping nut.
A detection method adopting the detection tool comprises the following steps:
1) adjusting: adjusting the distance between the detection end right-angle positioning block and the support end right-angle positioning block according to the actual size of the cross shaft to be measured, and placing the cross shaft to be measured; fixing an end face baffle plate, so that the cross shaft to be measured is symmetrically supported on a detection end right-angle positioning block and a support end right-angle positioning block relative to the shaft diameter of the cross shaft, adjusting the height distance between a measuring sensor A and a measuring sensor B, ensuring that measuring heads of the measuring sensor A and the measuring sensor B are respectively in contact with the highest point of the excircle of the shaft neck of the detection end, locking and fixing the measuring sensor A and the measuring sensor B by using a locking nut, and taking down the cross shaft to be measured;
2) zero alignment: placing the outer diameter standard part on the detection end right-angle positioning block and the support end right-angle positioning block, observing two measurement values displayed on an electronic display screen, and then pressing a zero returning button to display the two measurement values in a zero returning state;
3) setting parameters: calculating a tolerance range of the measurement size according to the shaft diameter taper size of the cross shaft required by a drawing, and inputting the tolerance range into an electronic display screen for storage;
4) measurement: placing the cross shaft to be detected on the detection end right-angle positioning block and the support end right-angle positioning block again, enabling the end face of the detection end to be tightly attached to the end face baffle, displaying actual measurement numerical values D1 and D2 of the outer diameter size of the journal of the detection end on the electronic display screen at the moment, automatically calculating a taper value (D1-D2)/2, and judging whether the taper size of the detection end is qualified or not according to the lighting condition of the indicator lamp;
5) and (3) repeating the measurement: and (3) after the diameter and the taper of one shaft neck of the cross shaft to be detected are measured, taking down the cross shaft to be detected, rotating the shaft head of the cross shaft to be detected, and repeating the step 4) to detect the rest shaft necks until all four shaft necks are detected.
Further, in the step 4), when the green display lamp is turned on, the taper size of the detection end is judged to be qualified; when the red display lamp is lightened and the buzzer gives out an alarm sound, the taper size of the detection end is judged to be unqualified.
The utility model has the beneficial effects that: two sensor measuring heads are connected with a display screen, the traditional dial indicator measuring method is replaced, the measuring result is displayed visually, and the dial indicator has a warning and reminding function. The reading is accurate and convenient, the detection position is accurate, the detection is easy, and the detection speed is high.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
FIG. 3 is a schematic view of the journal taper of the cross shaft to be measured.
Fig. 4 is a partially enlarged view of the region B in fig. 3.
Description of reference numerals: the device comprises a gauge bottom plate 1, a detection end right-angle positioning block 2, a support end right-angle positioning block 3, a size electronic display screen 4, a red display lamp 4-1, a green display lamp 4-2, a to-be-detected cross shaft 5, a detection end 5-1, a support end 5-2, a measurement sensor A6, a measurement sensor B7, a support rod 8, a sensor clamping block 9, an upper clamping block 9-1, a lower clamping block 9-2, a clamping nut 10, an end face baffle plate 11, a footing nut 12, a bottom plate support screw 13 and a locking nut 14.
Detailed Description
The utility model will be described in detail below with reference to the following drawings:
example (b): as shown in fig. 1 and 2, the special detection tool for rapidly detecting the taper of the journal of the universal joint pin comprises a detection tool bottom plate 1, a detection end right-angle positioning block 2, a support end right-angle positioning block 3, an electronic display screen 4, a universal joint pin 5 to be detected, a measurement sensor A6, a measurement sensor B7, a support rod 8 and a sensor clamping block 9, wherein the detection end right-angle positioning block 2 and the support end right-angle positioning block 3 are symmetrically arranged on the detection tool bottom plate 1, a detection end 5-1 of the universal joint pin 5 to be detected is fixed on the detection end right-angle positioning block 2, and a support end 5-2 of the universal joint pin 5 to be detected is fixed on the support end right-angle positioning block 3; an end face baffle 11 is arranged at the upper end part of the detection end right-angle positioning block 2, and the end face baffle 11 is contacted with and blocked by the end face of the detection end 5-1 so as to limit the horizontal movement of the cross shaft 5 to be detected; the support rod 8 is fixed on one side, close to the detection end 5-1, of the bottom plate 1 of the detection tool, a sensor clamping block 9 is fixed on the support rod 8 through a clamping nut 10, the sensor clamping block 9 is used for fixedly clamping a measurement sensor A6 and a measurement sensor B7, an upper clamping block 9-1 and a lower clamping block 9-2 are arranged on one side, close to the detection end 5-1, of the sensor clamping block 9, the length of the upper clamping block 9-1 is larger than that of the lower clamping block 9-2, the measurement sensor A6 penetrates through the upper clamping block 9-1 and then is locked and fixed through a locking nut 14, and the measurement sensor B7 penetrates through the upper clamping block 9-1 and the lower clamping block 9-2 sequentially and then is locked and fixed through the locking nut 14. The measuring sensor A6 and the measuring sensor B7 are arranged at intervals, measuring heads of the measuring sensor A6 and the measuring sensor B7 are respectively in contact with the highest point of the excircle on two sides of the journal of the detecting end 5-1 of the cross shaft 5 to be measured, and the measuring sensors are used for measuring the outer diameter size of the journal at corresponding positions; the measuring sensor A6 and the measuring sensor B7 are respectively electrically connected with the electronic display screen 4 and are used for transmitting measuring data, and the electronic display screen 4 is used for calculating and displaying the measured conicity value.
Preferably, the bottom of the detection tool bottom plate 1 is supported by a bottom plate support screw 13. The bottoms of the detection end right-angle positioning block 2 and the support end right-angle positioning block 3 are fixedly connected with the checking fixture bottom plate 1 through foot nuts 12. A red display lamp 4-1, a green display lamp 4-2 and a buzzer are arranged on the electronic display screen 4, and when the taper of the cross shaft 5 to be measured is within an allowable range, the green display lamp 4-2 is lightened; when the taper of the cross shaft 5 to be measured exceeds the allowable range, the red display lamp 4-1 is lightened, and meanwhile, the buzzer gives out an alarm sound.
A detection method adopting the detection tool comprises the following steps:
1) adjusting: adjusting the distance between the detection end right-angle positioning block 2 and the support end right-angle positioning block 3 according to the actual size of the cross shaft 5 to be measured, and placing the cross shaft 5 to be measured in advance; fixing an end face baffle 11, enabling the cross shaft 5 to be measured to be symmetrically supported on the detection end right-angle positioning block 2 and the support end right-angle positioning block 3 relative to the shaft diameter of the cross shaft, adjusting the height distance between a measurement sensor A6 and a measurement sensor B7, ensuring that the measurement heads of the measurement sensor A6 and the measurement sensor B7 are respectively in contact with the highest point of the outer circle of the shaft neck of the detection end 5-1, then locking and fixing the measurement sensor A6 and the measurement sensor B7 by using a locking nut 14, and taking down the cross shaft 5 to be measured;
2) zero alignment: placing the outer diameter standard part on the detection end right-angle positioning block 2 and the support end right-angle positioning block 3, observing two measurement values displayed on an electronic display screen 4, and then pressing a zero returning button to display the two measurement values in a zero returning state;
3) setting parameters: calculating a tolerance range of the measurement size according to the shaft diameter taper size of the cross shaft required by the drawing, and inputting the tolerance range into the electronic display screen 4 for storage;
4) and (3) measurement: the cross shaft 5 to be detected is placed on the detection end right-angle positioning block 2 and the support end right-angle positioning block 3 again, the end face of the detection end 5-1 is made to be tightly attached to the end face baffle 11, as shown in fig. 3 and 4, the distance between the measurement sensor B7 and the end face of the detection end 5-1 is L1, the distance between the measurement sensor A6 and the end face of the detection end 5-1 is L2, and because the positions of the measurement sensor A6, the measurement sensor B7 and the end face baffle 11 are fixed, the L1 and the L2 are fixed values, and the detection position of the shaft neck taper of the cross shaft 5 to be detected is ensured to be consistent all the time. The outer diameter of the shaft neck measured by the measuring sensor B7 is D1, the outer diameter of the shaft neck measured by the measuring sensor A6 is D2, at the moment, the measured values D1 and D2 of the outer diameter of the shaft neck of the detection end 5-1 are displayed on the electronic display screen 4, the conicity value is automatically calculated, namely, the half of the difference between the two diameter sizes is (D1-D2)/2, and whether the conicity size of the detection end 5-1 is qualified or not is judged according to the lighting condition of the indicator lamp; when the green display lamp 4-2 is lighted, judging that the taper size of the detection end 5-1 is qualified; when the red display lamp 4-1 is lightened and the buzzer gives out an alarm sound at the same time, the taper size of the detection end 5-1 is judged to be unqualified;
5) and (3) repeating the measurement: and (3) after the diameter and the taper of one shaft neck of the cross shaft 5 to be detected are measured, taking down the cross shaft, then rotating the shaft head of the cross shaft 5 to be detected, and repeating the step 4) to detect the rest shaft necks until all four shaft necks are detected.
According to the utility model, the shaft diameter excircle of the cross shaft of the workpiece to be detected is placed on the shaft neck taper rapid detection gauge, the detection position is controlled by arranging the end face baffle, two numerical values in the shaft diameter taper process can be directly displayed on a display screen at one time, and the taper value is automatically calculated and displayed, so that the reading is accurate and convenient. The problems that the existing detection method cannot accurately grasp the taper detection position of the journal of the universal joint pin and has inaccurate detection data are solved, the problem that the measurement speed of the outer diameter of the universal joint pin with the taper is low can be solved, meanwhile, the problem of measurement result errors can be solved, and the accuracy and the intuitiveness of the detection data are improved.
It should be understood that equivalent alterations and modifications of the technical solution and the inventive concept of the present invention by those skilled in the art should fall within the scope of the appended claims.
Claims (6)
1. The utility model provides a utensil is examined in quick detection of cross axle journal tapering special use which characterized in that: the device comprises a checking fixture base plate (1), a detection end right-angle positioning block (2), a support end right-angle positioning block (3), an electronic display screen (4), a to-be-detected cross shaft (5), a measuring sensor A (6), a measuring sensor B (7), a support rod (8) and a sensor clamping block (9), wherein the detection end right-angle positioning block (2) and the support end right-angle positioning block (3) are symmetrically arranged on the checking fixture base plate (1), a detection end (5-1) of the to-be-detected cross shaft (5) is fixed on the detection end right-angle positioning block (2), and a support end (5-2) of the to-be-detected cross shaft (5) is fixed on the support end right-angle positioning block (3); an end face baffle (11) is arranged at the upper end part of the detection end right-angle positioning block (2), and the end face baffle (11) is contacted with and blocked by the end face of the detection end (5-1) to limit the horizontal movement of the cross shaft (5) to be detected; the supporting rod (8) is fixed on one side, close to the detection end (5-1), of the checking fixture bottom plate (1), a sensor clamping block (9) is arranged on the supporting rod (8), the sensor clamping block (9) is used for fixedly clamping a measurement sensor A (6) and a measurement sensor B (7), the measurement sensor A (6) and the measurement sensor B (7) are arranged at intervals, measuring heads of the sensor A and the measurement sensor B are respectively in contact with the highest point of the excircle on two sides of the journal of the detection end (5-1) of the cross shaft (5) to be detected, and the measuring heads are used for measuring the outer diameter size of the journal at the corresponding position; the measuring sensor A (6) and the measuring sensor B (7) are respectively electrically connected with the electronic display screen (4) and used for transmitting measuring data, and the electronic display screen (4) is used for calculating and displaying the measured conicity value.
2. The special detection tool for rapidly detecting the taper of the journal of the universal joint pin as claimed in claim 1, wherein: the bottom of the checking fixture base plate (1) is supported through a base plate support screw (13).
3. The special detection tool for rapidly detecting the taper of the journal of the cross shaft as claimed in claim 1, wherein: the bottoms of the detection end right-angle positioning block (2) and the support end right-angle positioning block (3) are fixedly connected with the detection tool bottom plate (1) through bottom stud nuts (12).
4. The special detection tool for rapidly detecting the taper of the journal of the cross shaft as claimed in claim 1, wherein: a red display lamp (4-1), a green display lamp (4-2) and a buzzer are arranged on the electronic display screen (4), and when the taper of the cross shaft (5) to be tested is within an allowable range, the green display lamp (4-2) is turned on; when the taper of the cross shaft (5) to be measured exceeds the allowable range, the red display lamp (4-1) is lightened, and meanwhile, the buzzer gives out an alarm sound.
5. The special detection tool for rapidly detecting the taper of the journal of the cross shaft as claimed in claim 1, wherein: an upper clamping block (9-1) and a lower clamping block (9-2) are arranged on one side, close to the detection end (5-1), of the sensor clamping block (9), the length of the upper clamping block (9-1) is larger than that of the lower clamping block (9-2), the measuring sensor A (6) penetrates through the upper clamping block (9-1) and then is locked and fixed through a locking nut (14), and the measuring sensor B (7) penetrates through the upper clamping block (9-1) and the lower clamping block (9-2) in sequence and then is locked and fixed through the locking nut (14).
6. The special detection tool for rapidly detecting the taper of the journal of the cross shaft as claimed in claim 1, wherein: the sensor clamping block (9) is fixed on the support rod (8) through a clamping nut (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123271224.0U CN216977865U (en) | 2021-12-21 | 2021-12-21 | Utensil is examined in special use of cross axle journal tapering short-term test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123271224.0U CN216977865U (en) | 2021-12-21 | 2021-12-21 | Utensil is examined in special use of cross axle journal tapering short-term test |
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| Publication Number | Publication Date |
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| CN216977865U true CN216977865U (en) | 2022-07-15 |
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| CN202123271224.0U Active CN216977865U (en) | 2021-12-21 | 2021-12-21 | Utensil is examined in special use of cross axle journal tapering short-term test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234892A (en) * | 2021-12-21 | 2022-03-25 | 万向钱潮股份有限公司 | Special detection tool and detection method for rapidly detecting taper of journal of universal joint pin |
-
2021
- 2021-12-21 CN CN202123271224.0U patent/CN216977865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234892A (en) * | 2021-12-21 | 2022-03-25 | 万向钱潮股份有限公司 | Special detection tool and detection method for rapidly detecting taper of journal of universal joint pin |
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Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang Qianchao Co.,Ltd. Patentee after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: WANXIANG QIANCHAO Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
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