CN109580998B - Variable-pitch adjusting clamping device of sensor - Google Patents
Variable-pitch adjusting clamping device of sensor Download PDFInfo
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- CN109580998B CN109580998B CN201811464395.5A CN201811464395A CN109580998B CN 109580998 B CN109580998 B CN 109580998B CN 201811464395 A CN201811464395 A CN 201811464395A CN 109580998 B CN109580998 B CN 109580998B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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Abstract
The invention discloses a variable-distance adjusting and clamping device of a sensor, and belongs to the technical field of sensor test and measurement. The invention comprises an adjusting plug (1), an adjusting mounting seat (2), magnetic steel (3), a magnetic steel mounting seat (4) and an adjusting plug (5). The invention has simple structure, convenient installation, high adjustment precision and high interchangeability of parts, and can solve the problem of test adjustment of various sensors.
Description
Technical Field
The invention discloses a variable-pitch adjusting and clamping device of a sensor, belongs to the sensor test and measurement technology, and particularly relates to a variable-pitch adjusting and clamping device of a sensor.
Technical Field
The magnetic induction test of the existing sensor under the high and low temperature environment is used for testing the magnetic induction value of the sensor under different distance states and is realized by horizontally pushing the sensor on the slide rail. In the magnetic induction test under the fine adjustment distance, a tester needs to well grasp the relationship of the adjustment distance, and the test result is often in great relationship with the operation level of the tester. In addition, a precise machine tool is needed to be used for machining during manufacturing and installation of the horizontal rail, field grinding adjustment is needed after final assembly, the thin rail is greatly influenced by temperature in high and low temperature tests, and the problems of distortion and deformation and the like are easily caused after the thin rail is used for a plurality of times. Therefore, a distance-variable adjusting and clamping device is needed to be designed, the testing requirements of the sensor in high and low temperature environments are met, meanwhile, the structure is simple, the installation is convenient, the adjusting precision is high, and the product testing period is shortened.
Disclosure of Invention
The purpose of the invention is as follows: a variable-pitch adjusting and clamping device of a sensor meets the requirement of magnetic induction testing in high and low temperature environments of the sensor.
The technical scheme of the invention is as follows: a clamping device for adjusting the variable distance of a sensor is characterized by comprising a first adjusting plug 1, an adjusting mounting seat 2, magnetic steel 3, a magnetic steel mounting seat 4 and a second adjusting plug 5;
the adjusting plug 1 comprises a cylinder 1A, a cylinder 1B with external threads and a cylinder 1C; the bottom of one end of the first cylinder is provided with a boss, one end of the first cylinder, which is provided with the boss, is connected with the first end face of the second cylinder with the external threads, the third cylinder is connected with the second end face of the second cylinder with the external threads, and the first cylinder, the second cylinder and the third cylinder are coaxially connected; the outer end face of the cylinder III of the adjusting plug I1 is provided with a hole with internal threads along the axial direction;
the adjusting installation seat 2 comprises a coaxial cylinder structure I2A, a cylinder structure II 2B and a cylinder structure III 2C;
a through hole along the axial direction is formed in the cylinder I structure 2A in the adjusting installation seat 2, one part in the through hole is provided with an internal thread structure, the other part in the through hole is in a smooth hole structure, and two symmetrical planes are cut out on the side surface of one end of the cylinder I structure 2A in parallel to the axis of the cylinder I structure;
the cylindrical structure II is sequentially provided with a hole I, a hole II and a hole III which are coaxial along the axial direction, the diameter of the hole II is smaller than that of the tested product, and the diameters of the hole I and the hole III are matched with that of the tested product; the diameter of the third hole is larger than that of the third 2C through hole of the cylindrical structure; two symmetrical planes are cut on the side surface of the cylindrical structure II in parallel with the axis of the cylindrical structure II, and the hole III can be communicated with the outside on the symmetrical planes;
the cylindrical structure III is coaxially provided with an internal thread structure through hole, and the side surface of one end of the cylindrical structure 2C is parallel to the axis thereof to cut out two symmetrical planes;
one end face of the first cylindrical structure close to the unthreaded hole structure is connected with one end of the second cylindrical structure close to the first hole, and the other end face of the second cylindrical structure is connected with the end face of the third cylindrical structure;
the magnetic steel mounting seat 4 comprises a cylinder IV and a cylinder V which are coaxially and sequentially connected, wherein the cylinder IV is provided with an external thread, and a groove is formed in one end face of the cylinder V along the axial direction; the end face of the cylinder V, which is far away from the groove, is connected with one end face of the cylinder IV; a through hole is formed in the magnetic steel mounting seat 4 along the axial direction;
the adjusting plug II 5 comprises a cylinder six 5A, a cylinder seven 5B with external threads and a cylinder eight 5C; the bottom of one end of the cylinder six 5A is provided with a boss, one end of the cylinder six 5A, which is provided with the boss, is connected with the first end face of the cylinder seven 5B with the external threads, the cylinder eight 5C is connected with the second end face of the cylinder seven 5B with the external threads, the cylinder seven 5B and the cylinder eight 5C are connected with each other; the six 5A cylinders are coaxially connected; the outer end face of the cylinder eight 5C of the adjusting plug II 5 is provided with a hole with internal threads along the axial direction;
the internal thread on the adjusting plug II 5 is matched with the external thread of the magnetic steel mounting seat 4;
adjusting the length of an internal thread structure in a cylinder I structure 2A in the mounting seat 2 to be larger than the length of an external thread of the adjusting plug I1; adjusting the length of the inner thread of the third 2C cylinder structure of the mounting base 2 to be larger than the length of the outer thread of the second adjusting plug 5;
wherein, the external thread of the adjusting plug I1 is screwed into the internal thread arranged at one end of the cylindrical first structure 2A of the adjusting mounting base 2;
the shape of the magnetic steel 3 is matched with the groove of the magnetic steel mounting seat 4, and the magnetic steel 3 is arranged in the groove of the magnetic steel mounting seat 4; the external thread of the magnetic steel mounting seat 4 is screwed into the internal thread structure of the eight 5C cylinder on the second adjusting plug 5, and the end face II of the magnetic steel mounting seat 4 is in contact with the end face of the eight 5C cylinder on the second adjusting plug 5; and screwing the end surface of the second adjusting plug 5 provided with the magnetic steel 3 and the magnetic steel mounting seat 4 from the third cylindrical structure 2C in the adjusting mounting seat 2 into the position of the internal thread.
The adjusting plug for the test consists of a magnetic steel 3, a magnetic steel mounting seat 4 and an adjusting plug II 5. Firstly, the magnetic steel 3 is installed in an assembly counter bore on the magnetic steel installation seat 4, and then the assembled magnetic steel 3 and the magnetic steel installation seat 4 are integrally installed on the adjusting plug II 5; the magnetic steel 3 generally adopts a cylindrical structure, the groove of the corresponding magnetic steel mounting seat 4 is of a cylindrical counter bore structure, and the bottom end of the groove is a smooth plane.
The connection of magnet steel 3 and 4 recesses of magnet steel mount pad is fixed connection, can adopt modes such as bonding, pressure-fit, screw fastening to realize. The connection of the magnetic steel mounting seat 4 and the cylindrical structure III 2C of the adjusting plug II 5 is realized by screwing fine threads when the precision requirement is high, the adjustment is realized by using a sliding fit relation between the magnetic steel mounting seat 4 and the adjusting plug II 5 in a hole shaft mode under the condition of common precision, and finally the end face of the magnetic steel mounting seat 4 is attached to the end face of the adjusting plug II 5.
And the second adjusting plug 5 provided with the magnetic steel 3 is arranged at one end of the third 2C cylindrical structure of the adjusting mounting base 2, and the horizontal distance from the side surface of the magnetic steel 3 to the end surface of the sensor is changed by adjusting the second adjusting plug 5.
The adjusting plug I1 and the adjusting plug II 5 are both of a structure with fine threads and external threads, the center of the adjusting plug I is of a structure with one end provided with internal threads, and the rest of the adjusting plug I is of a unthreaded hole structure. The outer circle surface of the end of the light hole structure of the blocking head is provided with a threaded hole, and both ends of the end are provided with revolving body boss structures.
The connection of the magnetic steel 3 and the magnetic steel mounting seat 4 is realized through a press fit relation, and the magnetic steel is processed into a design size in advance before assembly.
And the axial direction of the adjusting plug I1 and the axial direction of the adjusting plug II 5 are provided with inner holes of threaded structures, the length of the threaded structures is greater than that of the cylindrical structures with external threads in the magnetic steel mounting seat 4, and the residual length of the axial direction of the adjusting plug II 5 is of a unthreaded hole structure.
The invention has the beneficial effects that: the variable-pitch adjusting device of the sensor uses a precise adjusting device, cancels a sliding guide rail structure, and adds a thread fixing structure and a magnetic field displacement adjusting structure. The sensor clearance value specified on the test outline is realized through the thread pitch adjustment of the fine thread during the use process. The adjusting device provides conditions for accurate adjustment of the displacement of the sensor along the axial direction. Meanwhile, the fixture is simple in structure and reliable in performance, parts are easy to maintain and replace, the practicability of the fixture is improved, and the problems of replacement, maintenance and the like of the fixture brought by a traditional measuring scheme are solved.
Drawings
FIG. 1 is a schematic structural view of a variable-pitch adjustment clamping device according to the present invention during normal operation;
FIGS. 2, 3 and 4 are schematic structural views of a part adjusting mount 2 in the clamping device of the variable pitch adjusting apparatus according to the present invention;
FIGS. 5, 6, 7 and 8 are schematic structural views of a first adjusting plug 1 and a second adjusting plug 5 of a part in the clamping device of the variable-pitch adjusting device according to the present invention;
wherein, 1-adjusting plug I, 2-adjusting mounting seat, 3-magnetic steel, 4-magnetic steel mounting seat and 5-adjusting plug II.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
Please refer to fig. 1 to 8, which are schematic structural diagrams and structural embodiments of a clamping device with variable pitch according to the present invention.
Referring to fig. 1, the variable-pitch adjusting and clamping device for a sensor of the present invention includes a first adjusting plug 1, an adjusting mount 2, a magnetic steel 3, a magnetic steel mount 4, and a second adjusting plug 5.
The adjusting plug 1 comprises a cylinder 1A, a cylinder 1B with external threads and a cylinder 1C; the bottom of one end of the first cylinder is provided with a boss, one end of the first cylinder, which is provided with the boss, is connected with the first end face of the second cylinder with the external threads, the third cylinder is connected with the second end face of the second cylinder with the external threads, and the first cylinder, the second cylinder and the third cylinder are coaxially connected; the outer end face of the cylinder III of the adjusting plug I1 is provided with a hole with internal threads along the axial direction;
the adjusting installation seat 2 comprises a coaxial cylinder structure I2A, a cylinder structure II 2B and a cylinder structure III 2C;
a through hole along the axial direction is formed in the cylinder I structure 2A in the adjusting installation seat 2, one part in the through hole is provided with an internal thread structure, the other part in the through hole is in a smooth hole structure, and two symmetrical planes are cut out on the side surface of one end of the cylinder I structure 2A in parallel to the axis of the cylinder I structure;
the cylindrical structure II is sequentially provided with a hole I, a hole II and a hole III which are coaxial along the axial direction, the diameter of the hole II is smaller than that of the tested product, and the diameters of the hole I and the hole III are matched with that of the tested product; the diameter of the third hole is larger than that of the third 2C through hole of the cylindrical structure; two symmetrical planes are cut on the side surface of the cylindrical structure II in parallel with the axis of the cylindrical structure II, and the hole III can be communicated with the outside on the symmetrical planes;
the cylindrical structure III is coaxially provided with an internal thread structure through hole, and the side surface of one end of the cylindrical structure 2C is parallel to the axis thereof to cut out two symmetrical planes;
one end face of the first cylindrical structure close to the unthreaded hole structure is connected with one end of the second cylindrical structure close to the first hole, and the other end face of the second cylindrical structure is connected with the end face of the third cylindrical structure;
the magnetic steel mounting seat 4 comprises a cylinder IV and a cylinder V which are coaxially and sequentially connected, wherein the cylinder IV is provided with an external thread, and a groove is formed in one end face of the cylinder V along the axial direction; the end face of the cylinder V, which is far away from the groove, is connected with one end face of the cylinder IV; a through hole is formed in the magnetic steel mounting seat 4 along the axial direction;
the adjusting plug II 5 comprises a cylinder six 5A, a cylinder seven 5B with external threads and a cylinder eight 5C; the bottom of one end of the cylinder six 5A is provided with a boss, one end of the cylinder six 5A, which is provided with the boss, is connected with the first end face of the cylinder seven 5B with the external threads, the cylinder eight 5C is connected with the second end face of the cylinder seven 5B with the external threads, the cylinder seven 5B and the cylinder eight 5C are connected with each other; the six 5A cylinders are coaxially connected; the outer end face of the cylinder eight 5C of the adjusting plug II 5 is provided with a hole with internal threads along the axial direction;
the internal thread on the adjusting plug II 5 is matched with the external thread of the magnetic steel mounting seat 4;
adjusting the length of an internal thread structure in a cylinder I structure 2A in the mounting seat 2 to be larger than the length of an external thread of the adjusting plug I1; adjusting the length of the inner thread of the third 2C cylinder structure of the mounting base 2 to be larger than the length of the outer thread of the second adjusting plug 5;
wherein, the external thread of the adjusting plug I1 is screwed into the internal thread arranged at one end of the cylindrical first structure 2A of the adjusting mounting base 2;
the shape of the magnetic steel 3 is matched with the groove of the magnetic steel mounting seat 4, and the magnetic steel 3 is arranged in the groove of the magnetic steel mounting seat 4; the external thread of the magnetic steel mounting seat 4 is screwed into the internal thread structure of the eight 5C cylinder on the second adjusting plug 5, and the end face II of the magnetic steel mounting seat 4 is in contact with the end face of the eight 5C cylinder on the second adjusting plug 5; and screwing the end surface of the second adjusting plug 5 provided with the magnetic steel 3 and the magnetic steel mounting seat 4 from the third cylindrical structure 2C in the adjusting mounting seat 2 into the position of the internal thread.
The adjusting plug for the test consists of a magnetic steel 3, a magnetic steel mounting seat 4 and an adjusting plug II 5. Firstly, the magnetic steel 3 is installed in an assembly counter bore on the magnetic steel installation seat 4, and then the assembled magnetic steel 3 and the magnetic steel installation seat 4 are integrally installed on the adjusting plug II 5; the magnetic steel 3 generally adopts a cylindrical structure, the groove of the corresponding magnetic steel mounting seat 4 is of a cylindrical counter bore structure, and the bottom end of the groove is a smooth plane.
The connection of magnet steel 3 and 4 recesses of magnet steel mount pad is fixed connection, can adopt modes such as bonding, pressure-fit, screw fastening to realize. The connection of the magnetic steel mounting seat 4 and the cylindrical structure III 2C of the adjusting plug II 5 is realized by screwing fine threads when the precision requirement is high, the adjustment is realized by using a sliding fit relation between the magnetic steel mounting seat 4 and the adjusting plug II 5 in a hole shaft mode under the condition of common precision, and finally the end face of the magnetic steel mounting seat 4 is attached to the end face of the adjusting plug II 5.
And the second adjusting plug 5 provided with the magnetic steel 3 is arranged at one end of the third 2C cylindrical structure of the adjusting mounting base 2, and the horizontal distance from the side surface of the magnetic steel 3 to the end surface of the sensor is changed by adjusting the second adjusting plug 5.
The adjusting plug I1 and the adjusting plug II 5 are both of a structure with fine threads and external threads, the center of the adjusting plug I is of a structure with one end provided with internal threads, and the rest of the adjusting plug I is of a unthreaded hole structure. The outer circle surface of the end of the light hole structure of the blocking head is provided with a threaded hole, and both ends of the end are provided with revolving body boss structures.
The connection of the magnetic steel 3 and the magnetic steel mounting seat 4 is realized through a press fit relation, and the magnetic steel is processed into a design size in advance before assembly.
And the axial direction of the adjusting plug I1 and the axial direction of the adjusting plug II 5 are provided with inner holes of threaded structures, the length of the threaded structures is greater than that of the cylindrical structures with external threads in the magnetic steel mounting seat 4, and the residual length of the axial direction of the adjusting plug II 5 is of a unthreaded hole structure.
As shown in fig. 2, 3, and 4, a cylindrical structure in the adjustment mounting base 2 includes a coaxial internal thread structure and a light hole structure, and an outer cylindrical surface has two symmetrical small planes parallel to a diameter direction; two coaxial unthreaded holes are symmetrically distributed in the second axial direction of the cylindrical structure, a partition boss is arranged at the connecting position of the two unthreaded holes, a through hole structure is coaxially arranged on the boss and the second cylindrical structure, and grooves are symmetrically formed on the outer circular surface of the cylindrical structure along the direction parallel to the diameter direction; the three coaxial lines of the cylindrical structure are provided with through holes with internal thread structures. The end face of the cylindrical structure with the unthreaded hole structure is connected with the second cylindrical structure, and the other end face of the second cylindrical structure is connected with the end face of the internal thread end of the third cylindrical structure.
Two planes are cut in the adjusting and mounting seat 2 in a 180-degree distribution mode on the outer circle surface of the two whole cylinders, and the two planes are parallel to each other and the central axis of the revolving body. Two ends of the inner cavity of the adjusting mounting seat 2 are of a fine-tooth internal thread structure. The structure of one side of the adjusting mounting seat 2 is a threaded structure, an inner circle structure and a sensor mounting inner circle structure, and a through groove is formed in the position of the thread and the inner circle structure. The other side structure of the adjusting installation seat 2 is a thread structure and an inner circle structure. The middle part is a crosspiece, and an inner hole is formed in the middle of the crosspiece, so that the operation is convenient. The adjusting installation base 2 is symmetrically grooved along the excircle surface between the internal thread structures at the two ends, and the grooves are intersected with the through grooves at the internal thread positions of the ends where the tested sensors are placed.
As shown in fig. 5, 6, 7 and 8, the adjusting plug 1 and the adjusting plug 5 are both of a revolving body structure with fine threads and external threads, the center is a structure with an internal thread at one end, and the rest is a unthreaded hole structure. The outer circle surface of the end of the light hole structure of the blocking head is provided with a threaded hole, and both ends of the end are provided with revolving body boss structures. The part with the internal thread is used for installing the magnetic steel mounting seat 4 and the magnetic steel 3. The interchangeability of parts provides convenience for the manufacture of the test device and also facilitates the interchange of worn parts.
In one embodiment of the invention, a sensor of a certain type has a diameter of 24mm and a thickness of 12.5 mm. The maximum adjustment distance of the magnetic induction test is 0.12 mm. Through adjusting the fine thread on the mounting seat 2 and the adjusting plug 5, the axial displacement distance of the magnetic steel 3 can be calculated through the selection of the number of the rotating rings. Therefore, the magnetic induction strength value can be rapidly measured in a complex environment, and a more accurate verification estimated value is provided for the measurement of the special measuring meter.
The variable-pitch adjusting clamping device not only meets the requirement of magnetic induction measurement of the sensor, but also greatly improves the convenience of various measurements. The method and the device can meet the requirement of rapid measurement of the magnetic induction estimated value of the sensor in a complex environment, and can be matched with a precision measuring instrument to meet the measurement requirement of higher precision.
Claims (5)
1. A clamping device for adjusting the variable distance of a sensor is characterized by comprising a first adjusting plug 1, an adjusting mounting seat 2, magnetic steel 3, a magnetic steel mounting seat 4 and a second adjusting plug 5;
the adjusting plug I comprises a cylinder I1A, a cylinder II 1B with external threads and a cylinder III 1C; the bottom of one end of the first cylinder is provided with a boss, one end of the first cylinder, which is provided with the boss, is connected with the first end face of the second cylinder with the external threads, the third cylinder is connected with the second end face of the second cylinder with the external threads, and the first cylinder, the second cylinder and the third cylinder are coaxially connected; the outer end face of the cylinder III of the first adjusting plug is provided with a hole with internal threads along the axial direction;
the adjusting installation seat 2 comprises a coaxial cylinder structure I2A, a cylinder structure II 2B and a cylinder structure III 2C; 1
A through hole along the axial direction is formed in the cylinder I structure 2A in the adjusting installation seat 2, one part in the through hole is provided with an internal thread structure, the other part in the through hole is in a smooth hole structure, and two symmetrical planes are cut out on the side surface of one end of the cylinder I structure 2A in parallel to the axis of the cylinder I structure;
the cylindrical structure II is sequentially provided with a hole I, a hole II and a hole III which are coaxial along the axial direction, the diameter of the hole II is smaller than that of the tested product, and the diameters of the hole I and the hole III are matched with that of the tested product; the diameter of the third hole is larger than that of the third 2C through hole of the cylindrical structure; two symmetrical planes are cut on the side surface of the cylindrical structure II in parallel with the axis of the cylindrical structure II, and the hole III can be communicated with the outside on the symmetrical planes;
the cylindrical structure III is coaxially provided with an internal thread structure through hole, and the side surface of one end of the cylindrical structure 2C is parallel to the axis thereof to cut out two symmetrical planes;
one end face of the first cylindrical structure close to the unthreaded hole structure is connected with one end of the second cylindrical structure close to the first hole, and the other end face of the second cylindrical structure is connected with the end face of the third cylindrical structure;
the magnetic steel mounting seat 4) comprises a cylinder IV and a cylinder V which are coaxially and sequentially connected, wherein the cylinder IV is provided with an external thread, and a groove is formed in one end face of the cylinder V along the axial direction; the end face of the cylinder V, which is far away from the groove, is connected with one end face of the cylinder IV; the magnetic steel mounting seat 4) is internally provided with a through hole along the axial direction;
the adjusting plug II 5 comprises a cylinder six 5A, a cylinder seven 5B with external threads and a cylinder eight 5C; the bottom of one end of the cylinder six 5A is provided with a boss, one end of the cylinder six 5A, which is provided with the boss, is connected with the first end face of the cylinder seven 5B with the external threads, the cylinder eight 5C is connected with the second end face of the cylinder seven 5B with the external threads, the cylinder seven 5B and the cylinder eight 5C are connected with each other; the six 5A cylinders are coaxially connected; the outer end face of the cylinder eight 5C of the adjusting plug II 5 is provided with a hole with internal threads along the axial direction;
the internal thread on the adjusting plug II 5 is matched with the external thread of the magnetic steel mounting seat 4);
adjusting the length of an internal thread structure in a cylinder I structure 2A in the mounting seat 2 to be larger than the length of an external thread of the adjusting plug I; adjusting the length of the inner thread of the third 2C cylinder structure of the mounting base 2 to be larger than the length of the outer thread of the second adjusting plug 5;
wherein, the external thread of the first adjusting plug is screwed into the internal thread arranged at one end of the first cylindrical structure 2A of the adjusting mounting base 2;
the shape of the magnetic steel 3 is matched with the groove of the magnetic steel mounting seat 4, and the magnetic steel 3 is arranged in the groove of the magnetic steel mounting seat 4; the external thread of the magnetic steel mounting seat 4 is screwed into the internal thread structure of the eight 5C cylinder on the second adjusting plug 5, and the end face II of the magnetic steel mounting seat 4 is in contact with the end face of the eight 5C cylinder on the second adjusting plug 5; and screwing the end surface of the second adjusting plug 5 provided with the magnetic steel 3 and the magnetic steel mounting seat 4 from the third cylindrical structure 2C in the adjusting mounting seat 2 into the position of the internal thread.
2. The clamping device for the variable-pitch adjustment of the sensor according to claim 1, wherein the adjusting acting plug for the test is composed of a magnetic steel 3, a magnetic steel mounting seat 4 and an adjusting plug II 5, the magnetic steel 3 is firstly installed in an assembling counter bore on the magnetic steel mounting seat 4, and then the assembled magnetic steel 3 and the magnetic steel mounting seat 4 are integrally installed on the adjusting plug II 5; the magnetic steel 3 generally adopts a cylindrical structure, the groove of the corresponding magnetic steel mounting seat 4 is of a cylindrical counter bore structure, and the bottom end of the groove is a smooth plane.
3. The clamping device for the variable pitch adjustment of the sensor according to claim 1, wherein the connection between the magnetic steel 3 and the groove of the magnetic steel mounting base 4 is a fixed connection and can be realized by means of bonding, press fitting, screw fastening and the like, the connection between the magnetic steel mounting base 4 and the cylindrical structure three 2C of the adjusting plug two 5 is realized by screwing with fine threads when the accuracy requirement is high, the adjustment is realized by using a sliding fit relation between the magnetic steel mounting base 4 and the adjusting plug two 5 in a hole shaft manner under the ordinary accuracy condition, and finally the end face of the magnetic steel mounting base 4 is attached to the end face of the adjusting plug two 5.
4. The clamping device for the variable pitch adjustment of the sensor according to claim 1, wherein the second adjusting plug 5 with the magnetic steel 3 mounted thereon is mounted at one end of the cylindrical structure three 2C of the adjustment mounting base 2, and the horizontal distance between the end surface of the magnetic steel 3 and the end surface of the sensor to be tested is changed by adjusting the second adjusting plug 5.
5. The clamping device for the variable distance adjustment of the sensor according to claim 1, wherein the first adjusting plug and the second adjusting plug 5 are provided with inner holes with thread structures in the axial direction, the length of the thread structures is larger than that of a cylindrical structure with external threads in the magnetic steel mounting seat 4, and the remaining length of the second adjusting plug 5 in the axial direction is of a smooth hole structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811464395.5A CN109580998B (en) | 2018-11-30 | 2018-11-30 | Variable-pitch adjusting clamping device of sensor |
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| CN201811464395.5A CN109580998B (en) | 2018-11-30 | 2018-11-30 | Variable-pitch adjusting clamping device of sensor |
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| CN109580998B true CN109580998B (en) | 2021-02-12 |
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| CN107218885A (en) * | 2017-05-31 | 2017-09-29 | 江苏理工学院 | A kind of cylindrical workpiece measurement apparatus and method based on hall sensor |
| CN108015570A (en) * | 2017-11-08 | 2018-05-11 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of thin-walled parts processing and loading clamp structure that positioning clamping is carried out with endoporus |
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