CN217305208U - Eddy current sensor for measuring rotating speed - Google Patents
Eddy current sensor for measuring rotating speed Download PDFInfo
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- CN217305208U CN217305208U CN202220287551.0U CN202220287551U CN217305208U CN 217305208 U CN217305208 U CN 217305208U CN 202220287551 U CN202220287551 U CN 202220287551U CN 217305208 U CN217305208 U CN 217305208U
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- current sensor
- eddy current
- driving
- supporting plate
- fixedly connected
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Abstract
The utility model discloses an eddy current sensor for rotational speed measurement belongs to eddy current sensor technical field, has solved current eddy current sensor for rotational speed measurement and has had unable adjusting distance and the problem of height, and its technical essential is: including eddy current sensor, the outside of support frame seat is provided with linear driving mechanism, linear driving mechanism includes direction group and gear drive group, the bottom of first backup pad is provided with support column and support section of thick bamboo, the outside of support column is provided with lift adjustment mechanism, lift adjustment mechanism includes connecting rod drive group and motor drive group, motor drive group drive connecting rod drive group function, it goes up and down to make support column sliding connection drive eddy current sensor on supporting a section of thick bamboo, gear drive group function is under direction group guide effect, realize that support frame seat sliding connection removes on the spout seat, cooperation power realizes eddy current sensor's measurement, the advantage of being convenient for adjusting distance and height has.
Description
Technical Field
The utility model relates to an eddy current sensor field specifically is to relate to an eddy current sensor for rotational speed measurement.
Background
The eddy current sensor can statically and dynamically measure the distance between a measured metal conductor and the surface of the probe in a non-contact manner, high linearity and high resolution manner. It is a non-contact linearized metrology tool. The eddy current sensor is a displacement sensor, and has the advantages of high sensitivity, large linear range, wide frequency range (DC-10 KHz), small structural size, strong anti-interference capability, no influence of a medium and the like. The eddy current sensor needs to make the circular plane at the front end of the sensor vertically face the surface of the measured object and keep a certain measuring distance to ensure the measuring accuracy.
The current eddy current sensor for measuring the rotating speed ensures that the sensor and a measured part keep a certain distance when measuring, the distance meets the range of the measuring range of the sensor, whether the distance is suitable or not directly determines the measuring accuracy of the sensor, and the traditional eddy current sensor cannot adjust the corresponding distance and height when measuring, brings inconvenience to measurement and cannot meet the requirements of actual use.
Therefore, the existing eddy current sensor for measuring the rotating speed has the defects of incapability of adjusting the distance and the height, and is difficult to popularize and apply.
Therefore, it is desirable to provide an eddy current sensor for rotation speed measurement, aiming at solving the above problems.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a be used for rotational speed measuring eddy current sensor to solve the problem among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an eddy current sensor for measuring rotating speed comprises an eddy current sensor, the eddy current sensor is connected with a power supply through a wire, the eddy current sensor and the power supply are both arranged on a first supporting plate, the eddy current sensor is fixedly connected on a support base, the outer side of the support base is provided with a linear driving mechanism, the linear driving mechanism comprises a guide set and a gear driving set, the bottom of the first supporting plate is provided with a second supporting plate convenient to support, a supporting column and a supporting cylinder are arranged at the joint of the first supporting plate and the second supporting plate, the supporting column is slidably connected in the supporting cylinder, one end of the supporting column is fixedly connected on the first supporting plate, the supporting cylinder is fixedly connected on the second supporting plate, the outer side of the supporting column is provided with a lifting adjusting mechanism, the lifting adjusting mechanism comprises a connecting rod driving set and a motor driving set, the connecting rod driving set comprises a connecting rod, a moving block and a driving lead screw, one end of the connecting rod is hinged to the supporting column, the other end of the connecting rod is hinged to the moving block, the moving block is connected in the second supporting plate in a sliding mode, the moving block is connected to the driving lead screw in a threaded mode, and the driving lead screw is connected to the inside of the second supporting plate in a rotating mode through a bearing.
As a further scheme of the utility model, gear drive group is including rack, drive gear, connecting axle, worm wheel and worm, rack fixed connection is in the outside of a frame foundation, the meshing is connected with drive gear on the rack, drive gear rotates respectively through the connecting axle and connects on fixed support board and first backup pad, fixed support board fixed connection is on first backup pad, fixedly connected with worm wheel on the connecting axle, the meshing is connected with the worm on the worm wheel, the worm rotates to be connected on fixed support board, the one end fixedly connected with driving-disc of worm.
As a further scheme of the utility model, the direction group is including link block and slide bar, link block fixed connection is on a support base, slide bar fixed connection is on fixed frame, fixed frame fixed connection is on first backup pad, link block sliding connection is on the slide bar, slider sliding connection is passed through on the sliding tray seat in the bottom of a support base, sliding tray seat fixed connection is on first backup pad.
As a further scheme of the utility model, motor drive group includes driven bevel gear, drive bevel gear and crank, driven bevel gear fixed connection is served in one of drive lead screw, the meshing is connected with drive bevel gear on the driven bevel gear, the pivot on the drive bevel gear fixedly connected with crank, the crank rotates to be connected in the second backup pad.
As a further aspect of the present invention, the bottom of the second supporting plate is fixedly connected with a plurality of supporting legs which are convenient to support.
To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:
the utility model discloses an eddy current sensor fixed connection is on a support base, and eddy current sensor has the power through the connection of electric lines, and the outside of support base is provided with linear drive mechanism, and linear drive mechanism includes direction group and gear drive group, and the bottom of first backup pad is provided with support column and a support section of thick bamboo, and the support column sliding connection is in supporting the section of thick bamboo, and the outside of support column is provided with lift adjustment mechanism, lift adjustment mechanism includes connecting rod drive group and motor drive group, connecting rod drive group includes connecting rod, movable block and drive lead screw, according to the measuring height of the part to be measured and eddy current sensor, motor drive group drive connecting rod drive group function, makes articulated support column sliding connection on the connecting rod on the supporting cylinder, realizes the lift of eddy current sensor on the first backup pad, realizes the regulation in eddy current sensor and the part direction of height to be measured, according to the measuring distance of the part to be measured and the eddy current sensor, the gear driving group operates under the guiding effect of the guiding group, the bracket base is connected to the sliding groove base in a sliding mode to move, so that the distance between the eddy current sensor and the part to be measured is adjusted, the eddy current sensor is measured by matching with a power supply, and the gear driving group has the advantages of being convenient to adjust the distance and the height.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of embodiment a of the present invention.
Fig. 3 is a schematic view of a connection structure of a portion of a side surface of an eddy current sensor according to an embodiment of the present invention.
Fig. 4 is a schematic view of an internal connection structure of the second support plate in the embodiment of the present invention.
Reference numerals: 1. an eddy current sensor; 2. a support base; 3. a chute seat; 4. a first support plate; 5. a rack; 6. a drive gear; 7. a connecting shaft; 8. a worm gear; 9. a worm; 10. a drive plate; 11. fixing the support plate; 12. connecting the sliding block; 13. a slide bar; 14. a fixing frame; 15. a power source; 16. a support pillar; 17. a support cylinder; 18. a second support plate; 19. a connecting rod; 20. a moving block; 21. a crank; 22. supporting legs; 23. driving the screw rod; 24. a driven bevel gear; 25. a drive bevel gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
Example 1
Referring to fig. 1 and 4, an eddy current sensor for measuring a rotation speed includes an eddy current sensor 1, the eddy current sensor 1 is connected to a power supply 15 through a wire, the eddy current sensor 1 and the power supply 15 are both mounted on a first support plate 4, a second support plate 18 convenient for supporting is disposed at the bottom of the first support plate 4, a support column 16 and a support cylinder 17 are disposed at a connection position of the first support plate 4 and the second support plate 18, the support column 16 is slidably connected in the support cylinder 17, one end of the support column 16 is fixedly connected to the first support plate 4, the support cylinder 17 is fixedly connected to the second support plate 18, a lifting adjustment mechanism is disposed at the outer side of the support column 16, the lifting adjustment mechanism includes a connecting rod driving set and a motor driving set, the connecting rod driving set includes a connecting rod 19, a moving block 20 and a driving screw 23, one end of the connecting rod 19 is hinged to the supporting column 16, the other end of the connecting rod 19 is hinged to the moving block 20, the moving block 20 is connected in the second supporting plate 18 in a sliding mode, the moving block 20 is connected to the driving screw rod 23 in a threaded mode, and the driving screw rod 23 is connected to the inside of the second supporting plate 18 in a rotating mode through a bearing.
Further, the motor driving unit comprises a driven bevel gear 24, a driving bevel gear 25 and a crank 21, the driven bevel gear 24 is fixedly connected to one end of the driving screw rod 23, the driven bevel gear 24 is connected with the driving bevel gear 25 in a meshed mode, the driving bevel gear 25 is fixedly connected with a rotating shaft on the crank 21, and the crank 21 is rotatably connected to the second supporting plate 18.
Preferably, according to the height of the part to be measured and the eddy current sensor 1, the crank 21 is driven to rotate, the crank 21 drives the driving bevel gear 25 to rotate, the driving lead screw 23 on the driven bevel gear 24 is driven to rotate under the relationship of gear connection, the moving block 20 is driven to move under the relationship of thread connection, so that the moving block 20 drives the connecting rod 19 hinged to the moving block to move, the supporting column 16 hinged to one end of the connecting rod 19 is connected to the supporting cylinder 17 in a sliding mode, the eddy current sensor 1 on the first supporting plate 4 is driven to move, and the adjustment of the eddy current sensor 1 and the part to be measured in the height direction is achieved.
Example 2
Referring to fig. 1 to 3, an eddy current sensor for measuring a rotation speed includes an eddy current sensor 1 and a second support plate 18, the eddy current sensor 1 is connected to a power supply 15 through a wire, the eddy current sensor 1 and the power supply 15 are both mounted on a first support plate 4, the eddy current sensor 1 is fixedly connected to a support base 2, a linear driving mechanism is disposed on an outer side of the support base 2, and the linear driving mechanism includes a guide set and a gear driving set.
Further, gear drive group includes rack 5, drive gear 6, connecting axle 7, worm wheel 8 and worm 9, 5 fixed connection in the outside of a frame foundation 2 of rack, the meshing is connected with drive gear 6 on rack 5, drive gear 6 rotates respectively through connecting axle 7 and connects on fixing support plate 11 and first backup pad 4, fixing support plate 11 fixed connection is on first backup pad 4, fixedly connected with worm wheel 8 on the connecting axle 7, the meshing is connected with worm 9 on the worm wheel 8, worm 9 rotates and connects on fixing support plate 11, the one end fixedly connected with driving-disc 10 of worm 9.
Further, direction group is including link block 12 and slide bar 13, link block 12 fixed connection is on a support base 2, slide bar 13 fixed connection is on fixed frame 14, fixed frame 14 fixed connection is on first backup pad 4, link block 12 sliding connection is on slide bar 13, slider sliding connection is passed through on sliding groove seat 3 in the bottom of a support base 2, sliding groove seat 3 fixed connection is on first backup pad 4.
Preferably, according to the measuring distance between the component to be measured and the eddy current sensor 1, the driving disc 10 is adjusted to rotate the worm 9, the connecting shaft 7 on the worm wheel 8 is driven to rotate under the gear connection relationship, the connecting shaft 7 drives the driving gear 6 to rotate, the connecting slider 12 connected with one end of the bracket base 2 is driven to be connected with the sliding rod 13 in the gear connection relationship between the driving gear 6 and the rack 5, and meanwhile, the bracket base 2 is connected with the sliding groove base 3 in a sliding manner, so that the distance between the eddy current sensor 1 and the component to be measured is adjusted, and the measurement of the eddy current sensor 1 is realized by the matching power supply 15.
The rest of the structure of this example is the same as example 1.
The utility model discloses a theory of operation is: according to the height measurement of the part to be measured and the eddy current sensor 1, the crank 21 is driven to rotate, the crank 21 drives the driving bevel gear 25 to rotate, the driving lead screw 23 on the driven bevel gear 24 is driven to rotate under the gear connection relationship, the moving block 20 is driven to move under the thread connection relationship, so that the moving block 20 drives the connecting rod 19 hinged to the moving block to move, the supporting column 16 hinged to one end of the connecting rod 19 is connected to the supporting cylinder 17 in a sliding manner, the eddy current sensor 1 on the first supporting plate 4 is driven to move, and the adjustment of the eddy current sensor 1 and the part to be measured in the height direction is realized; according to the measuring distance between the component to be measured and the eddy current sensor 1, the driving disc 10 is adjusted to enable the worm 9 to rotate, the connecting shaft 7 on the worm wheel 8 is driven to rotate under the gear connection relationship, the connecting shaft 7 drives the driving gear 6 to rotate, the connecting sliding block 12 connected with one end of the support base 2 is driven to be in sliding connection with the sliding rod 13 under the gear connection relationship between the driving gear 6 and the rack 5, and meanwhile, the support base 2 is in sliding connection with the sliding groove base 3, so that the distance between the eddy current sensor 1 and the component to be measured is adjusted, and the measurement of the eddy current sensor 1 is achieved by matching with the power supply 15.
It should be noted that, in the present application, all the components are general standard components or components known to those skilled in the art, which effectively solve the problem that the existing eddy current sensor for measuring the rotation speed cannot adjust the distance and height.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The eddy current sensor for measuring the rotating speed comprises an eddy current sensor (1), wherein the eddy current sensor (1) is connected with a power supply (15) through a wire, the eddy current sensor is characterized in that the eddy current sensor (1) and the power supply (15) are both installed on a first supporting plate (4), the eddy current sensor (1) is fixedly connected onto a support base (2), a linear driving mechanism is arranged on the outer side of the support base (2) and comprises a guide group and a gear driving group, a second supporting plate (18) convenient to support is arranged at the bottom of the first supporting plate (4), a supporting column (16) and a supporting cylinder (17) are arranged at the joint of the first supporting plate (4) and the second supporting plate (18), the supporting column (16) is connected into the supporting cylinder (17) in a sliding manner, one end of the supporting column (16) is fixedly connected onto the first supporting plate (4), the supporting cylinder (17) is fixedly connected to the second supporting plate (18), a lifting adjusting mechanism is arranged on the outer side of the supporting column (16), the lifting adjusting mechanism comprises a connecting rod driving set and a motor driving set, the connecting rod driving set comprises a connecting rod (19), a moving block (20) and a driving screw rod (23), one end of the connecting rod (19) is hinged to the supporting column (16), the other end of the connecting rod (19) is hinged to the moving block (20), the moving block (20) is connected to the second supporting plate (18) in a sliding mode, the moving block (20) is connected to the driving screw rod (23) in a threaded mode, and the driving screw rod (23) is connected to the inner portion of the second supporting plate (18) in a rotating mode through a bearing.
2. Eddy current sensor for rotational speed measurement according to claim 1, the gear driving set comprises a rack (5), a driving gear (6), a connecting shaft (7), a worm wheel (8) and a worm (9), the rack (5) is fixedly connected with the outer side of the bracket seat (2), the rack (5) is engaged and connected with a driving gear (6), the driving gear (6) is respectively and rotatably connected to the fixed supporting plate (11) and the first supporting plate (4) through a connecting shaft (7), the fixed supporting plate (11) is fixedly connected to the first supporting plate (4), a worm wheel (8) is fixedly connected to the connecting shaft (7), a worm (9) is connected to the worm wheel (8) in a meshing manner, the worm (9) is rotatably connected to the fixed supporting plate (11), and one end of the worm (9) is fixedly connected with a driving plate (10).
3. The eddy current sensor for measuring the rotation speed according to claim 2, wherein the guiding set comprises a connecting slider (12) and a sliding rod (13), the connecting slider (12) is fixedly connected to the support base (2), the sliding rod (13) is fixedly connected to a fixing frame (14), the fixing frame (14) is fixedly connected to the first support plate (4), the connecting slider (12) is slidably connected to the sliding rod (13), the bottom of the support base (2) is slidably connected to the chute base (3) through the sliding block, and the chute base (3) is fixedly connected to the first support plate (4).
4. The eddy current sensor for measuring the rotating speed according to claim 1, wherein the motor driving set comprises a driven bevel gear (24), a driving bevel gear (25) and a crank (21), the driven bevel gear (24) is fixedly connected to one end of the driving screw rod (23), the driving bevel gear (25) is connected to the driven bevel gear (24) in a meshed mode, a rotating shaft on the crank (21) is fixedly connected to the driving bevel gear (25), and the crank (21) is rotatably connected to the second supporting plate (18).
5. The eddy current sensor for rotational speed measurement according to claim 1, wherein a plurality of support legs (22) for facilitating support are fixedly connected to the bottom of the second support plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220287551.0U CN217305208U (en) | 2022-02-14 | 2022-02-14 | Eddy current sensor for measuring rotating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220287551.0U CN217305208U (en) | 2022-02-14 | 2022-02-14 | Eddy current sensor for measuring rotating speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217305208U true CN217305208U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220287551.0U Active CN217305208U (en) | 2022-02-14 | 2022-02-14 | Eddy current sensor for measuring rotating speed |
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| Country | Link |
|---|---|
| CN (1) | CN217305208U (en) |
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2022
- 2022-02-14 CN CN202220287551.0U patent/CN217305208U/en active Active
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