CN213633300U - Self-adaptive probe clamping device - Google Patents
Self-adaptive probe clamping device Download PDFInfo
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- CN213633300U CN213633300U CN202022365359.2U CN202022365359U CN213633300U CN 213633300 U CN213633300 U CN 213633300U CN 202022365359 U CN202022365359 U CN 202022365359U CN 213633300 U CN213633300 U CN 213633300U
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- probe
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- spout
- seat
- clamping device
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Abstract
The utility model discloses a self-adaptation probe clamping device, include: fixed frame, two probe assembly and lifting unit, fixed frame includes at least one support, first spout and two second spouts have been seted up to the support, two second spout symmetries set up in the both sides of first spout, probe assembly and second spout one-to-one set up, probe assembly includes probe seat and at least one connecting rod, but probe seat along the direction sliding connection of second spout in the support, the one end and the probe seat of connecting rod are articulated, lifting unit includes sliding block and linear driving piece, but the sliding block along the direction sliding connection of first spout in the support and with the other end of two probe assembly's connecting rod all articulated, linear driving piece is fixed in support and its output shaft in sliding block, a direction slip for ordering about the sliding block along first spout, and make probe seat be close to or keep away from first spout along the direction of second spout. The utility model discloses probably solve and adjust water distance and angle and waste time and unsafe problem.
Description
Technical Field
The utility model relates to an ultrasonic inspection technical field especially relates to an adaptive probe clamping device.
Background
At present, a water immersion bar flaw detection device mostly adopts a detection mode of detecting defects of internal layering and external area cross holes by multiple probes. The relative position relationship between the probe clamping mechanism and the workpiece can be determined by utilizing the relative relationship between the probe and the workpiece.
Generally, the incident angle of the probe is independently adjusted manually, then the distance (hereinafter referred to as water distance) between the probe and the outer surface of the workpiece is adjusted, normal flaw detection can be realized by the equipment after the water distance and the angle are adjusted, and the curvatures of the surfaces of the workpieces are different for the workpieces with different specifications, so that the adjustable angle and the adjustable water distance are only suitable for the workpieces with one specification, and the workpieces with different specifications are required to be independently adjusted.
In actual detection, due to the change of the size specification of the workpiece, the probe can not be automatically adjusted according to the size specification of the workpiece, and the problems of time consumption and unsafety of manual adjustment can be caused.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide an adaptive probe clamping device, which solves the technical problems of time-consuming and unsafe manual adjustment of the water distance and angle of the probe in the prior art.
In order to achieve the above technical purpose, the technical scheme of the utility model provide an adaptive probe clamping device, include:
the fixing frame comprises at least one bracket, the bracket is provided with a first sliding chute and two second sliding chutes, and the two second sliding chutes are symmetrically arranged on two sides of the first sliding chute;
the two probe assemblies are arranged in one-to-one correspondence with the second sliding chute and respectively comprise a probe seat and at least one connecting rod, the probe seat is connected to the bracket in a sliding manner along the direction of the second sliding chute, and one end of each connecting rod is hinged to the probe seat;
lifting unit, including sliding block and linear drive spare, the sliding block is followed but the direction sliding connection of first spout in the support and with two probe unit the other end of connecting rod is all articulated, linear drive spare is fixed in support and its output shaft in the sliding block is used for ordering about the sliding block is followed the direction of first spout is slided to make the probe seat follow the direction of second spout is close to or keeps away from first spout.
Further, the fixed frame includes two supports and apron, two the support interval sets up, the both sides of apron respectively with two support fixed connection, one side of apron is relative lifting unit has seted up the through-hole, linear driving piece's output shaft is inserted and is located through-hole and fixed connection in the sliding block.
Furthermore, the first sliding groove is arranged along the axis of one side of the support, and one end, away from each other, of the two second sliding grooves is continuously close to the end part of the support.
Furthermore, the probe assembly comprises two guide blocks, the two guide blocks are arranged at two ends of the probe seat and are respectively connected to the probe seat, the guide blocks and the second sliding grooves are arranged in a one-to-one correspondence manner, and the guide blocks are arranged in the second sliding grooves in a sliding manner along the guide direction of the second sliding grooves.
Furthermore, the probe assembly further comprises two fixed shafts and two positioning wheels, the two fixed shafts are respectively arranged at two ends of the probe seat, one end of each fixed shaft is connected to the probe seat, and the positioning wheels are rotatably connected to the other ends of the fixed shafts.
Furthermore, the probe seat comprises a plurality of probes which are uniformly and fixedly connected with the two probe seats.
Further, clamping device still includes coupling assembling, coupling assembling includes guide rail, swing seat and motor, but guide rail sliding connection is in detection device's main part, swing seat fixed connection in the one end of guide rail, the motor is fixed in swing seat and its output shaft connect in the support is used for the drive the support is followed the axis of the output shaft of motor rotates.
Further, coupling assembling still includes two fixed blocks and two screws, two one side interval of fixed block set up and fixed connection in the opposite side of fixed frame, two the third spout has been seted up respectively to the fixed block, two screw holes have been seted up to the relative third spout of swing seat, the screw hole with third spout one-to-one sets up, the screw with the screw hole one-to-one sets up, the rotatory passing of the screw thread end of screw third spout and threaded connection in the screw hole, just the diameter of the screw thread end of screw is less than the width of third spout.
Further, the fixed frame still includes two diaphragms, two the diaphragm set up respectively in the both sides of support, the diaphragm connect respectively in the support with the apron, and be close to swing seat the diaphragm connect in the output shaft of motor.
Compared with the prior art, the beneficial effects of the utility model include: a plurality of probes are uniformly and fixedly connected to two probe seats, four positioning wheels are rotatably connected to two ends of the two probe seats, a sliding block is slidably connected to a support through a first sliding groove and is fixedly connected with an output shaft of a linear driving assembly, the driving sliding block of the linear driving assembly slides along the first sliding groove, the probe seats are driven to slide along a second sliding groove and drive the positioning wheels to move along the surface of a workpiece, the relative position relation between the probes and the workpiece is determined through the attachment of the positioning wheels and the surface of the workpiece, and therefore the purpose of self-adapting to the specification of the workpiece through the movement of the linear driving assembly is achieved.
Drawings
Fig. 1 is a three-dimensional structural diagram of an adaptive probe clamping device according to an embodiment of the present invention;
fig. 2 is a schematic front view of an adaptive probe clamping device according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged partial schematic view at B of FIG. 1;
fig. 5 is a schematic diagram of an adaptive probe holder according to an embodiment of the present invention on a small pipe diameter;
fig. 6 is a schematic diagram of an adaptive probe clamping device according to an embodiment of the present invention on a large pipe diameter;
fig. 7 is a schematic diagram illustrating the adaptive probe clamping device according to an embodiment of the present invention being adjusted from a small pipe diameter to a large pipe diameter;
fig. 8 is a schematic diagram of the probe of the adaptive probe clamping device according to the embodiment of the present invention, which is adjusted from a small pipe diameter to a large pipe diameter at any other angle.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Referring to fig. 1, the present invention provides an adaptive probe clamping device, including: fixed frame 1, two probe subassembly 2, lifting unit 3 and coupling assembling 4.
As shown in fig. 1 to 3, the fixing frame 1 includes at least one bracket 11, the bracket 11 is provided with a first sliding chute 13 and two second sliding chutes 14, and the two second sliding chutes 14 are symmetrically disposed on two sides of the first sliding chute 13.
Further, the first sliding groove 13 is disposed along an axis of one side of the bracket 11, extension lines of the two second sliding grooves 14 intersect, and one ends of the two second sliding grooves 14, which are far away from each other, are disposed in a direction of being continuously close to the end portion of the bracket 11, specifically, the two second sliding grooves 14 are disposed in a shape of a Chinese character 'ba'.
As shown in fig. 1 and 3, the fixing frame 1 includes two brackets 11 and a cover plate 12, the two brackets 11 are disposed at intervals, and both sides of the cover plate 12 are fixedly connected to the two brackets 11, respectively.
Further, one side of the cover plate 12 is provided with a through hole relative to the lifting assembly 3, and the lifting assembly 3 is fixedly connected to the fixing frame 1 through the through hole.
As shown in fig. 1 to 3, the two probe assemblies 2 are respectively arranged in one-to-one correspondence with the second chute 14, each probe assembly 2 includes a probe holder 21 and at least one connecting rod 22, the probe holder 21 is slidably connected to the support 1 along the direction of the second chute 14, and one end of the connecting rod 22 is hinged to the probe holder 21.
Further, specifically, the probe assembly 2 includes two connecting rods 22, and the two connecting rods 22 are respectively hinged to two ends of the probe base 21.
As shown in fig. 4, the probe assembly 2 further includes two guide blocks 25, the two guide blocks 25 are disposed at two ends of the probe holder 21 and connected to the probe holder 21 respectively, the guide blocks 25 are disposed in one-to-one correspondence with the second chute 14, and the guide blocks 25 are slidably disposed in the second chute 14 along the guide direction of the second chute 14.
Further, the probe base 21 comprises a plurality of probes 212, and the plurality of probes 212 are uniformly and fixedly connected to the two probe bases 21.
As shown in fig. 1 and 2, the probe assembly 2 further includes two fixed shafts 23 and two positioning wheels 24, the two fixed shafts 23 are respectively disposed at two ends of the probe base 21, and one end of each fixed shaft 23 is connected to the probe base 21.
Further, the positioning wheel 24 is rotatably connected to the other end of the fixed shaft 23, and the positioning wheel 24 is in contact with the surface of the workpiece and can roll along the surface of the workpiece to determine the distance between the contact point of the probe 212 and the surface of the workpiece.
As shown in fig. 1 to 3, the lifting assembly 3 includes a sliding block 31 and a linear driving member 32, the sliding block 31 is slidably connected to the bracket 11 along the guide of the first sliding chute 13 and is hinged to the other end of the connecting rod 22 of the two probe assemblies 2.
Further, the linear driving element 32 is fixed to the bracket 11 and has an output shaft connected to the sliding block 31 for driving the sliding block 31 to slide along the guide of the first sliding chute 13 and making the probe seat 21 move closer to or away from the first sliding chute 13 along the guide of the second sliding chute 14, and in particular, the linear driving element 32 is an electric push rod, and may also be other forms of linear driving elements, which are not described herein too much.
As shown in fig. 2, the clamping device further includes a connecting assembly 4, the connecting assembly 4 includes a guide rail 41, a swing seat 42 and a motor 43, and the guide rail 41 is slidably connected to the main body of the detecting device.
Further, the swing seat 42 is fixedly connected to one end of the guide rail 41, and the motor 43 is fixed to the swing seat 42 and has an output shaft connected to the bracket 11 for driving the bracket 11 to rotate along an axis of the output shaft of the motor 43.
As shown in fig. 2 and 3, the connecting assembly 4 further includes two fixing blocks 44 and two screws 45, one side of each of the two fixing blocks 44 is spaced apart from the other side of the fixing frame 1 and is fixedly connected to the other side of the fixing frame 1, the two fixing blocks 44 are respectively provided with a third sliding groove 441, the swing seat 42 is provided with two threaded holes corresponding to the third sliding groove 441, the threaded holes and the third sliding grooves 441 are arranged in a one-to-one correspondence manner, and the screws 45 and the threaded holes are arranged in a.
Further, the threaded end of the screw 45 can rotatably pass through the third sliding groove 441 and be in threaded connection with the threaded hole, the diameter of the threaded end of the screw 44 is smaller than the width of the third sliding groove 441, the length of the third sliding groove 441 is the length direction of the third sliding groove 441, and the width of the third sliding groove 441 is perpendicular to the length direction of the third sliding groove 441.
As shown in fig. 2, the fixing frame 1 further includes a horizontal plate, two sides of the horizontal plate are respectively connected with the bracket 11 and the cover plate 12 to form the fixing frame 1, the horizontal plate is provided with a third through hole relative to the motor 43, an output shaft of the motor 43 is rotatably connected to the bracket 11, and the other end of the motor 43 is fixedly connected to the swing seat 42.
Further, when the surface of the workpiece is curved, the motor 43 drives the fixed frame 1 to rotate relative to the swing seat 42, so as to achieve the purpose that the positioning wheel 24 is always in contact with the surface of the workpiece.
In the specific working process of the utility model, the output shaft of the linear driving member 32 is fixedly connected with one side of the sliding block 31, the sliding block 31 slides along the first sliding chute 13 and can drive the probe seat 21 to slide along the second sliding chute 14 through the connecting rod 22, the plurality of probes 212 are uniformly and fixedly connected with the probe seat 21, and the probe seat 21 is fixedly connected with the fixed frame 1 and can only slide along the second chute 14, so as to drive the probe seat 21 to move close to or away from the workpiece, and the holding device is connected with the main body part of the nondestructive inspection device through a connecting assembly 4, when the surface of the workpiece is bent, because the diameter of the threaded end of the screw 45 is smaller than the width of the third sliding groove 441, the motor 43 drives the fixed frame 1 to rotate in the third sliding groove 441 for a certain angle, the screwing degree of the screw 45 and the threaded hole is changed, the motor 43 can be limited to continue to drive the fixed frame 1 to rotate, and the positioning wheel 24 can be always contacted with the surface of the workpiece through rotation.
Further, the main body part of the detection device moves in the direction close to the surface of the workpiece under the driving action or gravity of the cylinder, the four positioning wheels 24 are attached to the surface of the workpiece respectively, the relative position relation between the probe and the workpiece can be determined by means of contact between the surface of the workpiece and the positioning wheels 24, and the value of the water distance can be determined and guaranteed to be a theoretical value.
When the size specification of the workpiece is changed, a user drives the sliding block 31 to slide along the direction far away from or close to the workpiece through the linear driving piece 32, two ends of the connecting rod 22 are respectively hinged with the sliding block 31 and the probe seat 21, and the connecting rod 22 drives the probe seat 21 to move along the direction close to the surface of the workpiece and keep in contact with the surface of the workpiece all the time.
The motion principle of the clamping tool adaptive to the size specification of the workpiece is as follows;
when it is determined that the incidence angle of the probe is 0 °, i.e., the extension line of the probe passes through the center of the workpiece, as shown in fig. 4, for a small-sized workpiece, the following formula is given:
in the formula: alpha-central angle corresponding to the contact angle of the two rollers, unit radian;
r1-excircle radius of small-sized workpiece, unit mm;
x1-distance between contact points between rollers and small gauge work pieces in mm.
Further, as shown in fig. 5, for a large-sized workpiece, the following formula is given:
in the formula: alpha-central angle corresponding to the contact angle of the two rollers, unit radian;
r2-excircle radius of large-size workpiece, unit mm;
x2-distance in mm between the contact points between the rollers and large gauge work pieces.
As shown in fig. 6, when the small-sized workpiece and the large-sized workpiece are coaxially placed, that is, when the clamping device is adjusted from the small-diameter workpiece to the large-diameter workpiece, the probe holder 21 slides along the second chute 14 without changing the incident angle, there are:
Further, it can be known from the above that the outer diameter R1 and the contact distance X1 of the workpiece can be calibrated only by passing workpieces of any specification, and then the subsequent calibration is carried out only according to the formula
By adjusting the value of the contact distance X2, it can be ensured that the probe always passes through the center of the workpiece, i.e. the incidence angle of the probe is 0 deg..
Similarly, as shown in fig. 7, in the case where the incident angle is not 0 °, the water distance between the probe and the workpiece surface is constant when the incident angle is any value, as long as the vertical sound ray at the probe center passes through the contact point between the positioning wheel 24 and the workpieceSimilarly, the clamping device can be adjusted from a small-diameter workpiece to a large-diameter workpiece
To adjust the value of the contact distance X2.
A user firstly passes through workpieces of any specification, the outer diameter R1, the contact distance X1 and the water distance of the workpieces are calibrated, when the specifications of the workpieces are changed, whether the incident angle of a probe is 0 degree or not can be determined through the relation among the outer diameter R1, the contact distance X1 and the water distance, and the purpose that the angle and the water distance are theoretical values when the workpieces of any specification are detected is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (9)
1. An adaptive probe clamping device, comprising:
the fixing frame comprises at least one bracket, the bracket is provided with a first sliding chute and two second sliding chutes, and the two second sliding chutes are symmetrically arranged on two sides of the first sliding chute;
the two probe assemblies are arranged in one-to-one correspondence with the second sliding chute and respectively comprise a probe seat and at least one connecting rod, the probe seat is connected to the bracket in a sliding manner along the direction of the second sliding chute, and one end of each connecting rod is hinged to the probe seat;
lifting unit, including sliding block and linear drive spare, the sliding block is followed but the direction sliding connection of first spout in the support and with two probe unit the other end of connecting rod is all articulated, linear drive spare is fixed in support and its output shaft in the sliding block is used for ordering about the sliding block is followed the direction of first spout is slided to make the probe seat follow the direction of second spout is close to or keeps away from first spout.
2. The adaptive probe clamping device according to claim 1, wherein the fixing frame comprises two brackets and a cover plate, the two brackets are arranged at intervals, two sides of the cover plate are respectively and fixedly connected with the two brackets, one side of the cover plate is provided with a through hole relative to the lifting assembly, and an output shaft of the linear driving member is inserted into the through hole and is fixedly connected with the sliding block.
3. The adaptive probe clamping device according to claim 1, wherein the first sliding groove is arranged along the axis of one side of the bracket, and one end of the two second sliding grooves, which is far away from each other, is continuously close to the end part of the bracket.
4. The adaptive probe clamping device according to claim 1, wherein the probe assembly further comprises two guide blocks, the two guide blocks are arranged at two ends of the probe seat and are respectively connected to the probe seat, the guide blocks and the second chute are arranged in a one-to-one correspondence manner, and the guide blocks are slidably arranged in the second chute along the guide direction of the second chute.
5. The adaptive probe clamping device according to claim 1, wherein the probe assembly further comprises two fixed shafts and two positioning wheels, the two fixed shafts are respectively arranged at two ends of the probe base, one end of each fixed shaft is connected to the probe base, and the positioning wheels are rotatably connected to the other ends of the fixed shafts.
6. The adaptive probe gripping device of claim 1, wherein the probe holder comprises a plurality of probes, and the plurality of probes are uniformly fixedly connected to the two probe holders.
7. The adaptive probe clamping device according to claim 2, further comprising a connecting assembly, wherein the connecting assembly comprises a guide rail, a swing seat and a motor, the guide rail is slidably connected to the main body of the detection device, the swing seat is fixedly connected to one end of the guide rail, the motor is fixed to the swing seat, and an output shaft of the motor is connected to the support, so as to drive the support to rotate along an axis of an output shaft of the motor.
8. The adaptive probe clamping device according to claim 7, wherein the connecting assembly further comprises two fixing blocks and two screws, one side of each fixing block is arranged at an interval and fixedly connected to the other side of the fixing frame, the two fixing blocks are respectively provided with a third sliding groove, the swinging seat is provided with two threaded holes relative to the third sliding groove, the threaded holes are correspondingly arranged with the third sliding grooves one to one, the screws are correspondingly arranged with the threaded holes one to one, the threaded ends of the screws can rotatably penetrate through the third sliding grooves and are in threaded connection with the threaded holes, and the diameter of the threaded ends of the screws is smaller than the width of the third sliding grooves.
9. The adaptive probe clamping device according to claim 7, wherein the fixing frame further comprises two transverse plates, the two transverse plates are respectively disposed at two sides of the bracket, the transverse plates are respectively connected to the bracket and the cover plate, and the transverse plate close to the swing seat is connected to the output shaft of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022365359.2U CN213633300U (en) | 2020-10-21 | 2020-10-21 | Self-adaptive probe clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022365359.2U CN213633300U (en) | 2020-10-21 | 2020-10-21 | Self-adaptive probe clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN213633300U true CN213633300U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022365359.2U Active CN213633300U (en) | 2020-10-21 | 2020-10-21 | Self-adaptive probe clamping device |
Country Status (1)
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|---|---|
| CN (1) | CN213633300U (en) |
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2020
- 2020-10-21 CN CN202022365359.2U patent/CN213633300U/en active Active
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