CN112595780B - Adjustable clamp suitable for different-diameter water immersion ultrasonic detection probes - Google Patents

Adjustable clamp suitable for different-diameter water immersion ultrasonic detection probes Download PDF

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Publication number
CN112595780B
CN112595780B CN202011418158.2A CN202011418158A CN112595780B CN 112595780 B CN112595780 B CN 112595780B CN 202011418158 A CN202011418158 A CN 202011418158A CN 112595780 B CN112595780 B CN 112595780B
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connecting plate
shaped
rod
gear
screw rod
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CN112595780A (en
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黄栋
陈照春
许文倩
于漫漫
黄春榕
曾远跃
陈浩龙
陈挺木
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Fujian Special Equipment Inspection and Research Institute
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Fujian Special Equipment Inspection and Research Institute
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30—Assessment of water resources

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention discloses an adjustable clamp suitable for water immersion ultrasonic detection probes with different diameters, which comprises: the clamping assembly is used for clamping the detection probe and comprises a first U-shaped connecting plate, a pair of clamping blocks, a pair of first guide rods, a first constraint plate and a pushing screw, wherein the pair of first guide rods are parallel to each other and one end of each of the pair of first guide rods is fixed on one side of the U-shaped connecting plate away from the U-shaped open side of the first U-shaped connecting plate, the pair of clamping blocks are slidably connected to the pair of first guide rods, the first constraint plate is fixed on the U-shaped open side of the first U-shaped connecting plate and is fixedly abutted to the other end of the pair of first guide rods, V-shaped parts are arranged on end faces of the pair of clamping blocks, which are close to each other, a clamping area for clamping the detection probe is formed between the V-shaped parts of the pair of clamping blocks, screw end threads of the pushing screw penetrate through the first constraint plate and are abutted to one of the clamping blocks.

Description

Adjustable clamp suitable for different-diameter water immersion ultrasonic detection probes
Technical Field
The invention relates to the field of ultrasonic detection equipment probe auxiliary clamping devices in nondestructive detection, in particular to an adjustable clamp suitable for water immersion ultrasonic detection probes with different diameters.
Background
In the water immersion ultrasonic detection, the ultrasonic reflection principle is mainly used for detecting the position and the size of the defect in the workpiece and measuring the thickness of the material. The obtained echo signal is a time domain limited signal, and the internal structure and defect information of the measured object can be displayed in an intuitive image form through a signal analysis method and an imaging technology. The ultrasonic wave is shot into the work piece and can produce many times ultrasonic reflection, can appear a plurality of bottom surface echoes on the instrument interface, when work piece inner structure is discontinuous, a portion ultrasonic signal will be reflected back, still can consume some ultrasonic signal simultaneously, thereby make the number of times of bottom surface echo reduce, still have the defect echo to produce in the echo signal, the ultrasonic wave incident angle deviation can make echo signal debilitation, be difficult to discern the defect echo, it is comparatively loaded down with trivial details to the scanning process of large-scale component probe, detection efficiency is lower and the defect signal is covered by noise signal easily, carry out defect judgement and have difficulty, lead to the misjudgement of defect easily, produce great influence to defect detection precision. Ultrasonic testing requires the probe to be perpendicular to the point of inspection at the surface of the workpiece and requires a couplant to fill the gap between the probe and the surface being inspected. In order to ensure the vertical relation between the probe and the detection point on the surface of the detected workpiece, a probe clamp with a certain structure is needed to realize the functions.
However, the sizes of the water immersion ultrasonic probes of different models and specifications produced by different manufacturers are different, and clamps with different diameters are required to be designed for clamping so as to maintain the distance between the probes and the workpiece, so that a large amount of manpower and material resources are consumed.
Therefore, the design of the clamp which can adjust the angle and is suitable for the water immersion ultrasonic probes with different diameters has important application value.
Disclosure of Invention
Therefore, the invention aims to provide the adjustable clamp which is convenient to clamp, simple to operate and reliable to implement and is suitable for the water immersion ultrasonic detection probes with different diameters.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
an adjustable clamp suitable for different diameter water immersion ultrasonic detection probes, comprising:
the clamping assembly is used for clamping the detection probe and comprises a first U-shaped connecting plate, a pair of clamping blocks, a pair of first guide rods, a first constraint plate and a pushing screw rod, wherein the pair of first guide rods are mutually parallel and one end of each first guide rod is fixed on one side of the U-shaped opening side of the first U-shaped connecting plate far away from the first guide rods;
Wherein, the V-shaped part of a pair of clamping blocks is provided with a soft cushion made of flexible materials.
As a possible implementation manner, the scheme further comprises;
the Y-axis moving mechanism is connected with the clamping assembly and drives the clamping assembly to move along the Y-axis direction;
the X-axis moving mechanism is connected with the Y-axis moving mechanism and drives the Y-axis moving mechanism and the clamping assembly to move along the X-axis direction;
the Z-axis moving mechanism is connected with the X-axis moving mechanism and drives the Y-axis moving mechanism, the X-axis moving mechanism and the clamping assembly to move along the Z-axis direction;
the transition connecting plate is connected with the Z-axis moving mechanism and is also used for being connected with the detection equipment.
As a preferred implementation option, the clamping assembly is preferably connected to a Y-axis moving mechanism through a first connecting plate, and the Y-axis moving mechanism includes:
the second U-shaped connecting plate is of an inverted U-shaped structure;
the two ends of the first screw rod are of polished rod structures and span the U-shaped structure of the second U-shaped connecting plate, and the two ends of the first screw rod are respectively connected with the two corresponding sides of the second U-shaped connecting plate in a rotating way;
the two ends of the second guide rods are fixedly connected to the two sides of the second U-shaped connecting plate respectively, the first connecting plate is provided with a first threaded hole corresponding to the first screw rod, the second guide rods are provided with second sliding holes corresponding to the second guide rods, and the second guide rods are connected with the first screw rod and the second guide rods through the first threaded holes and the second sliding holes respectively;
And the Y-axis knob is matched with one end of the first screw rod and used for driving the first screw rod to rotate, and the first connecting plate is driven by the first screw rod to pull the clamping assembly to move along the Y-axis direction.
As a preferred implementation choice, preferably, a first sinking groove is arranged at one side of the second U-shaped connecting plate close to the Y-axis knob and corresponds to the end part of the first screw rod, the end part of the first screw rod rotates to penetrate into the first sinking groove and is fixedly connected with a first gear, a polygonal matched sinking groove is further arranged at the end of the first screw rod, and a constraint unit for being in constraint fit with the first gear to lock or unlock the first gear is arranged at one side of the first sinking groove and corresponds to the first gear;
the Y-axis knob is close to one end of the first screw rod and provided with a first rod portion which is matched with the outline of the sinking groove in a polygonal mode, the first rod portion is connected with the first sinking groove in a rotating mode through a first connecting sleeve, the outer wall of the first connecting sleeve is provided with an extending portion which extends outwards, the first rod portion is fixedly connected with the first sinking groove through the extending portion, two ends of the first connecting sleeve are provided with shrinking portions, a first spring is further arranged in the first connecting sleeve, one end of the first spring abuts against the shrinking portion of the first connecting sleeve, which is close to the first gear, a first constraint ring is further fixedly arranged on the first rod portion, one end face of the first constraint ring abuts against the other end of the first spring, the other end face of the first constraint ring abuts against the shrinking portion of the first connecting sleeve, which is far away from the first gear, of the first screw rod portion is pressed in a direction, the first rod portion is connected with the first screw rod in a splicing mode along the direction close to the first screw rod, the polygonal mode of the sinking groove is driven to rotate, and the Y-axis knob is driven to reset by the first spring after the first screw rod knob is released from pressing in a pressing mode.
As a preferred implementation option, the constraint unit preferably comprises:
the first ejector rod is of a strip structure, a sliding cavity is arranged on one side in the first sinking groove, one end of the sliding cavity, which is far away from the first gear, extends outwards, an opening is formed on one side of the second U-shaped connecting plate, and the first ejector rod is slidably arranged in the sliding cavity;
the second spring is arranged in the sliding cavity, and one end of the second spring is propped against the end part of the first ejector rod, which is far away from the first gear;
the first screw is screwed and attached to the end part of the sliding cavity, which is far away from the first gear, and abuts against the other end of the second spring, and the elastic force of the second spring drives the end part of the first ejector rod, which is close to the first gear, to abut against the gear surface of the first gear, so that the first gear is restrained and fixed;
the first driving piece is connected with the first ejector rod in a matched mode and drives the first connecting rod and the first gear to release constraint.
As a preferred implementation option, the first driving member preferably includes:
the second U-shaped connecting plate one side that corresponds the sliding chamber be equipped with the spout that runs through into the sliding intracavity, the one end of second screw passes the spout and in first ejector pin fixed connection, stirs along keeping away from first heavy groove direction by the other end of second screw, drives first ejector pin and first gear and releases the constraint.
Or comprises:
one end of the second connecting sleeve is fixed at one side of the second U-shaped connecting plate corresponding to the sliding cavity, and the other end of the second connecting sleeve is a necking end;
the third spring is arranged in the second connecting sleeve, and one end of the third spring is propped against the second U-shaped connecting plate;
the second ejector rod is of a rod-shaped structure, one end of the second ejector rod is provided with an inclined surface structure, penetrates through the second connecting sleeve and the second U-shaped connecting plate in sequence and is matched with the first ejector rod in the sliding cavity, the first ejector rod is correspondingly provided with an ejection groove matched with the inclined surface structure of the second ejector rod, the inclined surface of the ejection groove is positioned at one side far away from the first gear, the part, penetrating into the second connecting sleeve, of the second ejector rod is fixedly provided with a second constraint ring, one end face of the second constraint ring abuts against the third spring, the other end face of the second constraint ring is used for abutting against the necking end of the second connecting sleeve, the other end of the second ejector rod abuts against the end face, close to the second U-shaped connecting plate, of the Y-axis knob is pressed in along the direction close to the first screw rod to drive the second ejector rod to pierce the ejection groove on the first ejector rod, the first ejector rod slides along the direction far away from the first gear, and the constraint on the first gear is relieved by the first ejector rod.
As a preferred implementation option, the X-axis moving mechanism preferably includes:
The third U-shaped connecting plate is of an inverted U-shaped structure;
the two ends of the second screw rod are of polished rod structures and span the U-shaped structure of the third U-shaped connecting plate, and the two ends of the second screw rod are respectively connected with the two corresponding sides of the third U-shaped connecting plate in a rotating way;
the two ends of the third guide rods are fixedly connected to the two sides of the third U-shaped connecting plate respectively, a second threaded hole is formed in the upper part of the second U-shaped connecting plate corresponding to the second guide rod, a third sliding hole is formed in the upper part of the second U-shaped connecting plate corresponding to the pair of third guide rods, and the third guide rods are connected with the first guide rod and the second guide rod through the second threaded holes and the third sliding holes respectively;
and the X-axis knob is matched with one end of the second screw rod and used for driving the second screw rod to rotate, and the second screw rod drives the second U-shaped connecting plate to pull the Y-axis moving mechanism and the clamping assembly to move along the X-axis direction.
As a preferred implementation choice, preferably, the middle part of the upper end surface of the third U-shaped connecting plate is provided with a first connecting column, the axial center of the first connecting column is provided with a third threaded hole extending to the upper end and the lower end of the first connecting column, and the Z-axis moving mechanism comprises:
The middle part of the lower end surface of the first connecting block is provided with a columnar sinking groove which is matched with the outline of the first connecting column;
the upper end of the third screw rod is of a polished rod structure, is rotationally connected to the middle part of the upper end surface of the first connecting block, and the lower end of the third screw rod penetrates into the columnar sinking groove and is in threaded connection with a third threaded hole on the first connecting column of the third U-shaped connecting plate;
and the Z-axis knob is fixedly connected with the upper end of the third screw rod and is used for driving the third screw rod to rotate, and the third U-shaped connecting plate is driven by the third screw rod to drive the X-axis moving mechanism, the Y-axis moving mechanism and the clamping assembly to move along the Z-axis direction.
As a preferred implementation choice, preferably, the first connecting plate is in a U-shaped structure, and the first threaded hole and the second sliding hole on the first connecting plate penetrate through two sides of the U-shaped structure; the clamping assembly is connected with the first connecting plate through an angle adjusting mechanism, and the angle adjusting mechanism comprises:
one end of the second connecting plate is fixedly connected with one side, far away from the open side, of the first U-shaped connecting plate, the other end of the second connecting plate penetrates into the U-shaped structure of the first connecting plate, and a gear-shaped sinking groove with a gear-shaped outline is formed in the end face, close to one side of the U-shaped structure of the first connecting plate, of the other end of the second connecting plate;
The rotary knob is provided with a polish rod part, the polish rod part penetrates through the second connecting plate and extends into the gear-shaped sinking groove of the second connecting plate, the end part of the rotary knob, which is far away from the second connecting plate, is provided with a rotary handle, the middle part of the rotary handle is provided with a hexagonal sinking groove, and the first connecting plate is correspondingly provided with a first installation through hole for the polish rod part to penetrate through;
the gear is rotated, the gear-shaped sinking groove profile on the second connecting plate is adapted to the gear-shaped sinking groove and is arranged in the gear-shaped sinking groove and fixedly connected with the polish rod part of the rotary knob, and the rotary handle of the rotary knob rotates to drive the second connecting plate to turn over relative to the first connecting plate;
the first cushion is fixed on one side in the U-shaped structure of the first connecting plate and is opposite to the end face of the second connecting plate provided with the gear-shaped sinking groove;
the other side in the U-shaped structure of the first connecting plate is provided with an avoidance groove, the first pressing plate is arranged in the avoidance groove, the middle part of the end face of the first pressing plate, which is far away from the second connecting plate, is provided with a connector, and the end face of the first connecting plate, which is far away from the connector, is provided with a second soft cushion;
the screw end screw thread of the clamping screw penetrates through the first connecting plate and extends into the avoidance groove and is rotationally connected with the connector of the first pressing plate, the first connecting plate is correspondingly provided with a first installation threaded hole for the screw thread of the clamping screw to penetrate through, the end part of the clamping screw, far away from the first pressing plate, is provided with a clamping knob, and the clamping knob is screwed in to drive the first pressing plate to move along the direction of the second connecting plate and clamp the second connecting plate in the U-shaped structure of the first connecting plate.
As a preferred implementation option, the V-shaped parts of the pair of clamping blocks are further provided with a silica gel cushion with a thickness of 2-4 mm.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that: according to the scheme, the detection probe is skillfully clamped by using the clamping assembly with the pair of clamping blocks, the V-shaped parts of the pair of clamping blocks can push one of the clamping blocks through the pushing screw rod to adjust the distance between the pair of clamping blocks, so that the detection probe is suitable for detection probes with different diameters, the V-shaped parts are in contact with 2 detection probes, the pair of clamping blocks can well clamp the detection probes, the friction force can be further improved in an auxiliary manner by arranging the silica gel cushion, the situation that the detection probes are shifted due to underwater detection movement is avoided, and the silica gel cushion also has the functions of buffering and vibration deflection resistance to a certain extent; in addition, the distance in X, Y, Z direction of the clamping assembly can be manually adjusted through the X-axis moving mechanism, the Y-axis moving mechanism and the Z-axis moving mechanism, and the clamping assembly can be turned over through the angle adjusting mechanism, so that the clamping assembly can adapt to detected objects on different surfaces, the use reliability and the detection accuracy are improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a simplified implementation structure of embodiment 1 of the present invention;
FIG. 2 is a schematic view of a clamping assembly according to embodiment 1 of the present invention;
FIG. 3 is a schematic illustration of a schematic implementation of the Y-axis movement mechanism of embodiment 1 in cooperation with a part of the clamping assembly;
fig. 4 is a schematic structural view of a second U-shaped connection plate of embodiment 1 of the present invention;
FIG. 5 is a schematic illustration of a second U-shaped connection plate of the X-axis moving mechanism and Y-axis moving mechanism of embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of a third U-shaped connecting plate of the Z-axis moving mechanism and the X-axis moving mechanism according to embodiment 1 of the present invention;
FIG. 7 is a schematic structural view of a third U-shaped connection plate according to embodiment 1 of the present invention;
FIG. 8 is a schematic cross-sectional view of a pair of clamp blocks of a clamp assembly for clamping a test probe in accordance with embodiment 1 of the present invention;
FIG. 9 is an enlarged schematic view of a partial structure at A in FIG. 8;
FIG. 10 is a schematic diagram showing a schematic implementation of a Y-axis moving mechanism according to embodiment 2 of the present invention;
FIG. 11 is an enlarged schematic view of a partial structure at B in FIG. 10;
FIG. 12 is a schematic view of the first wire rod end of embodiment 2 of the present invention provided with a polygonal mating sink groove, wherein a hexagonal sink groove is shown;
FIG. 13 is a schematic view of a simplified embodiment of the first shaft portion of embodiment 2 of the present invention, wherein a hexagonal shaft is shown;
FIG. 14 is a schematic, partially schematic illustration of a Y-axis movement mechanism of embodiment 3 of the present invention;
FIG. 15 is an enlarged schematic view of the partial structure at C in FIG. 14;
FIG. 16 is a schematic view showing the implementation of the angle adjusting mechanism according to embodiment 4 of the present invention;
FIG. 17 is a schematic side sectional view of the first web and second web of embodiment 4 of the present invention in brief cooperation;
FIG. 18 is a schematic illustration of a simplified implementation of the clamping screw and turning gear cooperation of embodiment 4 of the present invention;
FIG. 19 is a schematic view showing the side of the first connecting plate of embodiment 4 of the present invention where the escape groove is located;
FIG. 20 is a schematic diagram of the embodiment of the invention in operation and use.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is specifically noted that the following examples are only for illustrating the present invention, but do not limit the scope of the present invention. Likewise, the following examples are only some, but not all, of the examples of the present invention, and all other examples, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of the present invention.
Example 1
As shown in one of fig. 1 to 9, an adjustable fixture for a water immersion ultrasonic detection probe with different diameters according to this embodiment includes:
the clamping assembly 1 is used for clamping the detection probe 6 and comprises a first U-shaped connecting plate 11, a pair of clamping blocks 12, a pair of first guide rods 13, a first constraint plate 14 and a pushing screw 15, wherein the pair of first guide rods 13 are parallel to each other and are fixed on one side of the U-shaped open side of the first U-shaped connecting plate 11, which is far away from the first U-shaped connecting plate, one end of each of the pair of first guide rods 13 is provided with a first sliding hole matched with the pair of first guide rods 13 and is connected to the pair of first guide rods 13 in a sliding manner, the first constraint plate 14 is fixed on the U-shaped open side of the first U-shaped connecting plate 11 and is fixedly abutted to the other end of the pair of first guide rods 13, V-shaped parts 123 are respectively arranged on the end surfaces of the pair of clamping blocks 12, which are close to each other, a clamping area for clamping the detection probe 6 is formed between the V-shaped parts 123 of the pair of clamping blocks 12, screw end threads of the screw 15 penetrate through the first constraint plate 14 and are abutted against one clamping block 12, the detection probe 6 is driven to move along the direction approaching the other clamping block 12 and is clamped between the pair of clamping blocks 12, and the detection probe 6 is required to be loosened by screwing in the pushing screw 6.
With particular reference to fig. 8 and 9, in this embodiment, as a preferred implementation option, it is preferable that the V-shaped portion 123 of the pair of clamping blocks 12 is further provided with a silica gel cushion 121 with a thickness of 2-4 mm, and the silica gel cushion 121 is provided with an anti-slip burr 122, and the length of the anti-slip burr 122 is 0.2-0.4 mm, where when the ultrasonic probe (the detection probe 6) is used in clamping, there may be a certain working shake or water resistance and slight displacement occurs, so in this embodiment, the anti-slip burr 122 located at the upper portion of the silica gel cushion 121 is a first anti-slip burr 1221 that mainly improves the resistance of sliding down, and the anti-slip burr 122 located at the lower portion of the silica gel cushion 121 is a second anti-slip burr 1222 that mainly improves the resistance of sliding down, and in addition, when the length of the anti-slip burr 122 is greater than 0.4mm, a large fit clearance is generated when the anti-slip burr 122 is stressed, so that when the friction force is affected, and when the friction force is less than 0.2mm, the anti-slip burr 122 is too short and cannot play a good anti-slip effect.
Wherein, the silica gel cushion 121 cooperates the first anti-slip burr 1221, the second anti-slip burr 1222 that its surface set up, can make the anchor clamps when moving under water, carry out firm centre gripping to the test probe 6 on one hand, play the buffering to a certain extent simultaneously to the vibration that equipment vibration or other exotic effort lead to, anti-offset effect.
In this embodiment, in order to manually adjust the position of the clamping assembly 1 in the direction X, Y, Z, as a possible implementation manner, the solution further includes;
the Y-axis moving mechanism 2 is connected with the clamping assembly 1 and drives the clamping assembly 1 to move along the Y-axis direction;
the X-axis moving mechanism 3 is connected with the Y-axis moving mechanism 2 and drives the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the X-axis direction;
the Z-axis moving mechanism 4 is connected with the X-axis moving mechanism 3 and drives the Y-axis moving mechanism 2, the X-axis moving mechanism 3 and the clamping assembly 1 to move along the Z-axis direction;
the transition connecting plate 5 is connected with the Z-axis moving mechanism 4 and is also used for being connected with detection equipment, and the detection equipment drives the detection probe 6 to work.
Preferably, the clamping assembly 1 is connected to the Y-axis moving mechanism 2 through a first connecting plate 16, and the Y-axis moving mechanism 2 includes:
the second U-shaped connecting plate 21 is of an inverted U-shaped structure;
the two ends of the first screw rod 22 are polished rod structures and span the U-shaped structure of the second U-shaped connecting plate 21, and the two ends of the first screw rod 22 are respectively connected with the two corresponding sides of the second U-shaped connecting plate 21 in a rotating way, specifically, the outer surfaces of the two sides of the second U-shaped connecting plate 21 are provided with sinking grooves 211 and 212, and then clamping and restraining are carried out by using clamping rings 24 and 25;
The pair of second guide rods 23 are parallel to the first screw rod 22, are respectively arranged at two sides of the first screw rod 22 and are positioned in the U-shaped structure of the second U-shaped connecting plate 21, two ends of the pair of second guide rods 23 are respectively fixedly connected at two sides of the second U-shaped connecting plate 21, the first connecting plate 16 is provided with a first threaded hole 162 corresponding to the first screw rod 22, the pair of second guide rods 23 are provided with a second sliding hole 161 corresponding to the pair of second guide rods 23, and are respectively connected with the first screw rod 22 and the second guide rods 23 through the first threaded hole 162 and the second sliding hole 161;
the Y-axis knob 26 is matched with one end of the first screw rod 22 and is used for driving the first screw rod 22 to rotate, and the first connecting plate 16 is driven by the first screw rod 22 to pull the clamping assembly 1 to move along the Y-axis direction.
In this embodiment, as a preferred implementation option, the X-axis moving mechanism 3 preferably includes:
the third U-shaped connecting plate 31 is of an inverted U-shaped structure;
the two ends of the second screw rod 33 are polished rod structures and span the U-shaped structure of the third U-shaped connecting plate 31, and the two ends of the second screw rod 33 are respectively connected with the two corresponding sides of the third U-shaped connecting plate 31 in a rotating way, specifically, the outer surfaces of the two sides of the third U-shaped connecting plate 31 are provided with sinking grooves 311 and 312, and then clamping and restraining are carried out by using clamping rings 331 and 34;
The pair of third guide rods 32 are parallel to the second screw rod 33, are respectively arranged at two sides of the second screw rod 33 and are positioned in the U-shaped structure of the third U-shaped connecting plate 31, two ends of the pair of third guide rods 32 are respectively fixedly connected at two sides of the third U-shaped connecting plate 31, a second threaded hole 215 is formed in the upper part of the second U-shaped connecting plate 21 corresponding to the second screw rod 33, a third sliding hole 214 is formed in the corresponding pair of third guide rods 32, and the third guide rods are respectively connected with the first screw rod 22 and the second guide rod 23 through the second threaded hole 215 and the third sliding hole 214;
the X-axis knob 35 is matched with one end of the second screw rod 33 and is used for driving the second screw rod 33 to rotate, and the second U-shaped connecting plate 21 is driven by the second screw rod 33 to pull the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the X-axis direction.
In this embodiment, as a preferred implementation option, preferably, a first connecting column 36 is disposed in the middle of the upper end surface of the third U-shaped connecting plate 31, a third threaded hole 361 extending to the upper end and the lower end of the first connecting column 36 is disposed in the axial center of the first connecting column 36, and the Z-axis moving mechanism 4 includes:
the middle part of the lower end surface of the first connecting block 41 is provided with a columnar sinking groove 411 which is matched with the contour of the first connecting column 36;
the upper end of the third screw rod 42 is of a polished rod structure, and is rotationally connected to the middle part of the upper end surface of the first connecting block 41 (specifically, the rotation restriction can be carried out through two clamping rings 43 and 44), the lower end of the third screw rod 42 penetrates into the columnar sinking groove 411 and is in threaded connection with the third threaded hole 361 on the first connecting column 36 of the third U-shaped connecting plate 31, wherein the columnar sinking groove 411 can form a guiding sleeve function, and the third screw rod 42 can play a good guiding role and an anti-shake role when driving the first connecting column 36 of the third U-shaped connecting plate 31 to lift in the columnar sinking groove 411;
The Z-axis knob 45 is fixedly connected with the upper end of the third screw rod 42 and is used for driving the third screw rod 42 to rotate, and the third U-shaped connecting plate 31 is driven by the third screw rod 42 to pull the X-axis moving mechanism 3, the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the Z-axis direction.
In the present embodiment, the steps of clamping the inspection probe 6 are briefly as follows:
(1) Rotating the pushing screw 15 to enlarge the constraint distance between the pair of clamping blocks 12, then placing the detection probe 6 between the V-shaped parts 123 of the pair of clamping blocks 12, and then rotating the pushing screw 15 to clamp the detection probe 6 by the pair of clamping blocks;
(2) Rotating the X-axis knob 35 to drive the second screw rod 33 to rotate, and driving the second U-shaped connecting plate 21 to pull the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the X-axis direction by the second screw rod 33;
(3) Rotating the Y-axis knob 26 to drive the second screw rod 22 to rotate, and driving the first connecting plate 16 to pull the clamping assembly 1 to move along the Y-axis direction by the first screw rod 22;
(4) The Z-axis knob 45 is rotated to drive the third screw rod 42 to rotate, and the third U-shaped connecting plate 31 is driven by the third screw rod 42 to pull the X-axis moving mechanism 3, the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the Z-axis direction.
Example 2
As shown in one of fig. 10 to 13, the present embodiment is substantially the same as embodiment 1, except that in this embodiment, a countersink corresponding to an end of the first screw 22 on one side of the second U-shaped connecting plate 21 near the Y-axis knob 26 is set as a first countersink 212, the end of the first screw 22 rotates into the first countersink 212 and is fixedly connected with a first gear 25, and a polygonal mating countersink 221 is further disposed on the end of the first screw 22, in this embodiment, a hexagonal countersink is disposed on one side of the first countersink 212 corresponding to the first gear 25, and a restraint unit 7 for locking or unlocking with the first gear 25 in a restraint manner is disposed on one side of the first countersink 212;
Wherein, one end of the Y-axis knob 26 close to the first lead screw 22 is provided with a first rod 261 (in this embodiment, a hexagonal rod) adapting to the outline of the polygonal matching sunken groove 221, the first rod 261 is rotationally connected with the first sunken groove 212 through the first connecting sleeve 27, the outer wall of the first connecting sleeve 27 is provided with an extending part extending outwards, and is fixedly connected with the first sunken groove 212 through the extending part, both ends of the first connecting sleeve 27 are provided with a shrinkage part 271, the first connecting sleeve 27 is internally provided with a first spring 28, one end of the first spring 28 is abutted against the shrinkage part 271 of the first connecting sleeve 27 close to the first gear 25, the first rod 261 is fixedly provided with a first constraint ring 262, one end face of the first constraint ring 262 is abutted against the other end of the first spring 28, the other end face of the first constraint ring 262 is abutted against the shrinkage part 271 of the first connecting sleeve 27 far away from the first gear 25, the first lead screw 22 is pressed in by the Y-axis knob 26 along the direction close to the first lead screw 22, the polygonal matching sunken groove 221 is connected with the first rod 22 in a first rod 28 in a driving way, and the first constraint ring 26 is driven to rotate, and the Y-axis knob 26 is released, and then the first knob 26 is reset to rotate.
In this embodiment, as a preferred implementation choice, the constraint unit 7 preferably includes:
The first ejector rod 71 is in a strip structure, a sliding cavity 217 is arranged on one side in the first sinking groove 212, one end of the sliding cavity 217 far away from the first gear 25 extends outwards, an open opening is formed on one side of the second U-shaped connecting plate 21, and the first ejector rod 71 is slidably arranged in the sliding cavity 217;
a second spring 73 disposed in the sliding cavity 217 and having one end abutting against the end of the first jack 71 remote from the first gear 25;
the first screw 74 is screwed and locked on the end part of the sliding cavity 217 far away from the first gear 25 and abuts against the other end of the second spring 73, and the elastic force of the second spring 73 drives the end part of the first ejector rod 71 close to the first gear 25 to abut against the gear surface of the first gear 25, so that the first gear 25 is restrained and fixed;
the first driving member is cooperatively connected with the first ejector rod 71 and drives the first connecting rod to release the constraint with the first gear 25.
As a preferred implementation option, the first driving member preferably includes:
the second screw 72, one side of the second U-shaped connecting plate 21 corresponding to the sliding cavity 217 is provided with a sliding groove 216 penetrating through the sliding cavity 217, one end of the second screw 72 penetrates through the sliding groove 216 and is fixedly connected with the first ejector rod 71, and the other end of the second screw 72 is pushed along the direction away from the first sinking groove 212 to drive the first ejector rod 71 to release the constraint with the first gear 25.
The embodiment provides a structural scheme that can separate Y-axis knob 26 and first lead screw 22 and when needing to join in marriage, can accomplish its and first lead screw 22 cooperation operation through pressing Y-axis knob 26, can make anchor clamps when getting into under water through this structure, can avoid the resistance to produce effort and produce a torsion to first lead screw to the condition such as clamping assembly 1 takes place shake skew, simultaneously, restraint unit 7 still further plays the double insurance effect, through restricting first lead screw 22 when not operating Y-axis knob 26, realize the stable fixed of first lead screw 22, further improved anti-vibration, anti-deflection effect.
The remaining reference numerals in this embodiment are the same as those in embodiment 1, and will not be described again.
In this embodiment, the steps for clamping the inspection probe 6 are briefly as follows, in combination with the partial illustration of reference embodiment 1:
(1) Rotating the pushing screw 15 to enlarge the constraint distance between the pair of clamping blocks 12, then placing the detection probe 6 between the V-shaped parts 123 of the pair of clamping blocks 12, and then rotating the pushing screw 15 to clamp the detection probe 6 by the pair of clamping blocks;
(2) Rotating the X-axis knob 35 to drive the second screw rod 33 to rotate, and driving the second U-shaped connecting plate 21 to pull the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the X-axis direction by the second screw rod 33;
(3) Pressing the Y-axis knob 26 in the direction approaching to the first screw rod 22, enabling the first rod 261 to be in plug-in fit connection with the polygonal fit sinking groove 221 of the first screw rod 22, simultaneously, pulling the second screw 72 by hand, pulling the other end of the second screw 72 in the direction far from the first sinking groove 212, driving the first ejector rod 71 to release constraint with the first gear 25, then rotating the Y-axis knob 26, driving the second screw rod 22 to rotate, and driving the first connecting plate 16 to pull the clamping assembly 1 to move along the Y-axis direction by the first screw rod 22;
(4) The Z-axis knob 45 is rotated to drive the third screw rod 42 to rotate, and the third U-shaped connecting plate 31 is driven by the third screw rod 42 to pull the X-axis moving mechanism 3, the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the Z-axis direction.
Example 3
As shown in fig. 14 or 15, this embodiment is substantially the same as embodiment 2, except that the restraint unit 7 of this embodiment is different from embodiment 2 in that the restraint unit 7 includes:
one end of the second connecting sleeve 76 is fixed on one side of the second U-shaped connecting plate 21 corresponding to the sliding cavity 217, and the other end is a necking end;
a third spring 77 disposed in the second connecting sleeve 76 and having one end abutting against the second U-shaped connecting plate 21;
the second ejector rod 75 is in a rod-shaped structure, one end of the second ejector rod 75 is provided with an inclined surface structure 751, penetrates through the second connecting sleeve 76 and the second U-shaped connecting plate 21 in sequence and is matched with the first ejector rod 71 in the sliding cavity 217, the first ejector rod 71 is correspondingly provided with a pushing groove 711 matched with the inclined surface structure 751 of the second ejector rod 75, the inclined surface of the pushing groove 711 is positioned at one side far away from the first gear 25, a second constraint ring 752 is fixedly arranged at the part, penetrating into the second connecting sleeve 76, of the second ejector rod 75, one end face of the second constraint ring 752 abuts against the third spring 77, the other end face of the second constraint ring 752 abuts against the necking end of the second connecting sleeve 76, the other end of the second ejector rod 75 abuts against the end face of the Y-axis knob 26 close to the second U-shaped connecting plate 21, the Y-axis knob 26 is pressed in along the direction close to the first screw 22, the pushing groove 711 on the second ejector rod 75 is driven to penetrate into the first ejector rod 71, the first ejector rod 71 slides along the direction far away from the first gear 25, and the constraint on the first ejector rod 71 is released from the first gear 25.
The remaining reference numerals in this embodiment are the same as those in embodiment 2, and will not be described again.
In this embodiment, the steps for clamping the inspection probe 6 are briefly as follows, in combination with the partial illustration of reference embodiment 1:
(1) Rotating the pushing screw 15 to enlarge the constraint distance between the pair of clamping blocks 12, then placing the detection probe 6 between the V-shaped parts 123 of the pair of clamping blocks 12, and then rotating the pushing screw 15 to clamp the detection probe 6 by the pair of clamping blocks;
(2) Rotating the X-axis knob 35 to drive the second screw rod 33 to rotate, and driving the second U-shaped connecting plate 21 to pull the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the X-axis direction by the second screw rod 33;
(3) Pressing the Y-axis knob 26 in the direction approaching to the first screw rod 22, enabling the first rod 261 to be in plug-in fit connection with the polygonal fit sinking groove 221 of the first screw rod 22, simultaneously enabling the Y-axis knob 26 to drive the second ejector rod 75 to penetrate into the pushing groove 711 on the first ejector rod 71, enabling the first ejector rod 71 to slide in the direction far away from the first gear 25, enabling the first ejector rod 71 to release the constraint on the first gear 25, then rotating the Y-axis knob 26, driving the second screw rod 22 to rotate, and enabling the first connecting plate 16 to be driven by the first screw rod 22 to pull the clamping assembly 1 to move in the Y-axis direction;
(4) The Z-axis knob 45 is rotated to drive the third screw rod 42 to rotate, and the third U-shaped connecting plate 31 is driven by the third screw rod 42 to pull the X-axis moving mechanism 3, the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the Z-axis direction.
Example 4
As shown in one of fig. 16 to 19, the present embodiment is substantially the same as embodiment 1, except that in this embodiment, the first connecting plate 16 has a U-shaped structure, and the first threaded hole 162 and the second sliding hole 161 on the first connecting plate 16 penetrate through two sides of the U-shaped structure; the clamping assembly 1 is connected with the first connecting plate 16 through an angle adjusting mechanism, and the angle adjusting mechanism comprises:
one end of the second connecting plate 17 is fixedly connected with one side, far away from the open side, of the first U-shaped connecting plate 11, the other end of the second connecting plate 17 penetrates into the U-shaped structure of the first connecting plate 16, and a gear-shaped sinking groove 171 with a gear-shaped profile is formed in the end face, close to one side of the U-shaped structure of the first connecting plate 16, of the other end of the second connecting plate 17;
the rotary knob 18 is provided with a polish rod part, the polish rod part passes through the second connecting plate 17 and extends into the gear-shaped sinking groove 171 of the second connecting plate 17, the end part of the rotary knob, which is far away from the second connecting plate 17, is provided with a rotary handle 184, the middle part of the rotary handle 184 is provided with a hexagonal sinking groove 182, and the first connecting plate 16 is correspondingly provided with a first mounting through hole 167 for the polish rod part to pass through;
the gear 181 is rotated, the gear-shaped sinking groove 171 on the second connecting plate 17 is adapted to the outline of the gear-shaped sinking groove 171 and is fixedly connected with the polish rod part of the rotary knob 18 (which can be fixedly connected through a thread structure 183, in this embodiment, the screwing direction is clockwise, and when the rotary knob needs to be turned down, the rotary knob can be turned down only by the dead weight of the clamping assembly), and the rotary handle 184 of the rotary knob 18 rotates to drive the second connecting plate 17 to turn over relative to the first connecting plate 16;
A first cushion 164 fixed to one side of the U-shaped structure of the first connection plate 16 and opposite to the end surface of the second connection plate 17 where the gear-shaped countersink 171 is provided;
the other side of the U-shaped structure of the first connecting plate 16 is provided with an avoidance groove 165, the first pressure plate 191 is arranged in the avoidance groove 165, the middle part of the end surface of the first pressure plate 191 far away from the second connecting plate 17 is provided with a connecting head 1911, and the end surface of the first connecting plate 16 far away from the connecting head 1911 is provided with a second soft cushion 1912;
the clamping screw 19, its screw rod end has external screw thread structure 192 and screw thread and passes first connecting plate 16 and extend to dodge in the groove 165 and rotate with the connector 1911 of first clamp plate 191 and be connected, first connecting plate 16 correspond be equipped with the first installation screw hole 166 that supplies the external screw thread structure 192 screw thread of clamping screw 19 to pass, its tip that keeps away from first clamp plate 191 is equipped with the clamp knob 193, by the screw in of clamp knob 193, drive first clamp plate 191 and follow second connecting plate 17 direction and remove and press from both sides the U-shaped structure of second connecting plate 17 clamp at first connecting plate 16.
The remaining reference numerals in this embodiment are the same as those in embodiment 1, and will not be described again.
The embodiment mainly provides a scheme capable of overturning and adjusting angles for the clamping assembly, so that the use flexibility and humanization are improved, and the scheme is suitable for multi-angle detection when the surface of the object is uneven or irregular.
In this embodiment, the steps for clamping the inspection probe 6 are briefly as follows, in combination with the partial illustration of reference embodiment 1:
(1) Rotating the pushing screw 15 to enlarge the constraint distance between the pair of clamping blocks 12, then placing the detection probe 6 between the V-shaped parts 123 of the pair of clamping blocks 12, and then rotating the pushing screw 15 to clamp the detection probe 6 by the pair of clamping blocks;
(2) Rotating the X-axis knob 35 to drive the second screw rod 33 to rotate, and driving the second U-shaped connecting plate 21 to pull the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the X-axis direction by the second screw rod 33;
(3) Rotating the Y-axis knob 26 to drive the second screw rod 22 to rotate, and driving the first connecting plate 16 to pull the clamping assembly 1 to move along the Y-axis direction by the first screw rod 22;
(4) Rotating the Z-axis knob 45 to drive the third screw rod 42 to rotate, and driving the third U-shaped connecting plate 31 to pull the X-axis moving mechanism 3, the Y-axis moving mechanism 2 and the clamping assembly 1 to move along the Z-axis direction by the third screw rod 42;
(5) The clamping screw 19 is partially unscrewed, and then the rotating handle 184 of the angle adjusting mechanism is rotated, so that the second connecting plate 17 drives the clamping assembly 1 to rotate, and after the angle adjustment is completed, the clamping screw 19 is screwed, so that the first pressing plate 191 is driven to move along the direction of the second connecting plate 17 and clamp the second connecting plate 17 in the U-shaped structure of the first connecting plate 16.
As shown in fig. 20, after the detection probe is clamped according to the above operation, whether the echo signal meets the detection condition is observed on an oscilloscope or a collection card of the detection device, and then the position and the turnover angle of the detection probe in the X, Y, Z directions are further adjusted to observe whether the detection points of the probe and the surface of the detected workpiece are vertical, so that the scheme can be applied to different detection objects, and the detection probe can be vertical to the surface of the detection point of the detection object.
The foregoing description is only a partial embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims (4)

1. Adjustable fixture suitable for different diameter water logging ultrasonic detection probes, its characterized in that includes:
the clamping assembly is used for clamping the detection probe and comprises a first U-shaped connecting plate, a pair of clamping blocks, a pair of first guide rods, a first constraint plate and a pushing screw rod, wherein the pair of first guide rods are mutually parallel and one end of each first guide rod is fixed on one side of the U-shaped opening side of the first U-shaped connecting plate far away from the first guide rods;
Wherein, soft cushions made of flexible materials are arranged on the V-shaped parts of the pair of clamping blocks;
the adjustable clamp further comprises;
the Y-axis moving mechanism is connected with the clamping assembly and drives the clamping assembly to move along the Y-axis direction;
the X-axis moving mechanism is connected with the Y-axis moving mechanism and drives the Y-axis moving mechanism and the clamping assembly to move along the X-axis direction;
the Z-axis moving mechanism is connected with the X-axis moving mechanism and drives the Y-axis moving mechanism, the X-axis moving mechanism and the clamping assembly to move along the Z-axis direction;
the transition connecting plate is connected with the Z-axis moving mechanism and is also used for being connected with the detection equipment;
wherein, the centre gripping subassembly be connected with Y axle moving mechanism through first connecting plate, Y axle moving mechanism include:
the second U-shaped connecting plate is of an inverted U-shaped structure;
the two ends of the first screw rod are of polished rod structures and span the U-shaped structure of the second U-shaped connecting plate, and the two ends of the first screw rod are respectively connected with the two corresponding sides of the second U-shaped connecting plate in a rotating way;
the two ends of the second guide rods are fixedly connected to the two sides of the second U-shaped connecting plate respectively, the first connecting plate is provided with a first threaded hole corresponding to the first screw rod, the second guide rods are provided with second sliding holes corresponding to the second guide rods, and the second guide rods are connected with the first screw rod and the second guide rods through the first threaded holes and the second sliding holes respectively;
The Y-axis knob is matched with one end of the first screw rod and used for driving the first screw rod to rotate, and the first connecting plate is driven by the first screw rod to pull the clamping assembly to move along the Y-axis direction;
a first sinking groove is formed in one side, close to the Y-axis knob, of the second U-shaped connecting plate, corresponding to the end part of the first screw rod, the end part of the first screw rod penetrates into the first sinking groove in a rotating mode and is fixedly connected with a first gear, a polygonal matched sinking groove is further formed in the end of the first screw rod, and a constraint unit used for being in constraint fit with the first gear to lock or unlock is arranged on one side, corresponding to the first gear, in the first sinking groove;
the Y-axis knob is provided with a first rod part which is close to one end of the first screw rod and is matched with the outline of the sinking groove in a polygonal way, the first rod part is rotationally connected with the first sinking groove through a first connecting sleeve, the outer wall of the first connecting sleeve is provided with an extending part which extends outwards and is fixedly connected with the first sinking groove through the extending part, the two ends of the first connecting sleeve are respectively provided with a shrinking opening part, a first spring is further arranged in the first connecting sleeve, one end of the first spring is abutted against the shrinking opening part of the first connecting sleeve, which is close to the first gear, a first constraint ring is fixedly arranged on the first rod part, one end face of the first constraint ring is abutted against the other end of the first spring, the other end face of the first constraint ring is abutted against the shrinking opening part of the first connecting sleeve, which is far away from the first gear, the Y-axis knob is pressed in along the direction close to the first screw rod, the first rod part is connected with the polygonal way of the first screw rod in a plugging way, the first screw rod is driven to rotate, and the Y-axis knob is driven to reset by the first spring after the Y-axis knob is released from pressing in;
The first connecting plate is of a U-shaped structure, and the first threaded hole and the second sliding hole on the first connecting plate penetrate through two sides of the U-shaped structure; the clamping assembly is connected with the first connecting plate through an angle adjusting mechanism, and the angle adjusting mechanism comprises:
one end of the second connecting plate is fixedly connected with one side, far away from the open side, of the first U-shaped connecting plate, the other end of the second connecting plate penetrates into the U-shaped structure of the first connecting plate, and a gear-shaped sinking groove with a gear-shaped outline is formed in the end face, close to one side of the U-shaped structure of the first connecting plate, of the other end of the second connecting plate;
the rotary knob is provided with a polish rod part, the polish rod part penetrates through the second connecting plate and extends into the gear-shaped sinking groove of the second connecting plate, the end part of the rotary knob, which is far away from the second connecting plate, is provided with a rotary handle, the middle part of the rotary handle is provided with a hexagonal sinking groove, and the first connecting plate is correspondingly provided with a first installation through hole for the polish rod part to penetrate through;
the gear is rotated, the gear-shaped sinking groove profile on the second connecting plate is adapted to the gear-shaped sinking groove and is arranged in the gear-shaped sinking groove and fixedly connected with the polish rod part of the rotary knob, and the rotary handle of the rotary knob rotates to drive the second connecting plate to turn over relative to the first connecting plate;
The first cushion is fixed on one side in the U-shaped structure of the first connecting plate and is opposite to the end face of the second connecting plate provided with the gear-shaped sinking groove;
the other side in the U-shaped structure of the first connecting plate is provided with an avoidance groove, the first pressing plate is arranged in the avoidance groove, the middle part of the end face of the first pressing plate, which is far away from the second connecting plate, is provided with a connector, and the end face of the first connecting plate, which is far away from the connector, is provided with a second soft cushion;
the screw end screw thread of the clamping screw penetrates through the first connecting plate and extends into the avoidance groove and is rotationally connected with the connector of the first pressing plate, the first connecting plate is correspondingly provided with a first installation threaded hole for the screw thread of the clamping screw to penetrate through, the end part of the clamping screw far away from the first pressing plate is provided with a clamping knob, and the clamping knob is screwed in to drive the first pressing plate to move along the direction of the second connecting plate and clamp the second connecting plate in the U-shaped structure of the first connecting plate;
in addition, the constraint unit includes:
the first ejector rod is of a strip structure, a sliding cavity is arranged on one side in the first sinking groove, one end of the sliding cavity, which is far away from the first gear, extends outwards, an opening is formed on one side of the second U-shaped connecting plate, and the first ejector rod is slidably arranged in the sliding cavity;
The second spring is arranged in the sliding cavity, and one end of the second spring is propped against the end part of the first ejector rod, which is far away from the first gear;
the first screw is screwed and attached to the end part of the sliding cavity, which is far away from the first gear, and abuts against the other end of the second spring, and the elastic force of the second spring drives the end part of the first ejector rod, which is close to the first gear, to abut against the gear surface of the first gear, so that the first gear is restrained and fixed;
the first driving piece is connected with the first ejector rod in a matched manner and drives the first connecting rod and the first gear to release constraint;
the first driving member includes:
the second U-shaped connecting plate is provided with a sliding groove penetrating into the sliding cavity on one side corresponding to the sliding cavity, one end of the second screw penetrates through the sliding groove and is fixedly connected with the first ejector rod, and the other end of the second screw is poked along the direction away from the first sinking groove to drive the first ejector rod to be unconstrained with the first gear;
or comprises:
one end of the second connecting sleeve is fixed at one side of the second U-shaped connecting plate corresponding to the sliding cavity, and the other end of the second connecting sleeve is a necking end;
the third spring is arranged in the second connecting sleeve, and one end of the third spring is propped against the second U-shaped connecting plate;
the second ejector rod is of a rod-shaped structure, one end of the second ejector rod is provided with an inclined surface structure, penetrates through the second connecting sleeve and the second U-shaped connecting plate in sequence and is matched with the first ejector rod in the sliding cavity, the first ejector rod is correspondingly provided with an ejection groove matched with the inclined surface structure of the second ejector rod, the inclined surface of the ejection groove is positioned at one side far away from the first gear, the part, penetrating into the second connecting sleeve, of the second ejector rod is fixedly provided with a second constraint ring, one end face of the second constraint ring abuts against the third spring, the other end face of the second constraint ring is used for abutting against the necking end of the second connecting sleeve, the other end of the second ejector rod abuts against the end face, close to the second U-shaped connecting plate, of the Y-axis knob is pressed in along the direction close to the first screw rod to drive the second ejector rod to pierce the ejection groove on the first ejector rod, the first ejector rod slides along the direction far away from the first gear, and the constraint on the first gear is relieved by the first ejector rod.
2. An adjustable clamp for use with different diameter immersion ultrasonic testing probes as claimed in claim 1, wherein said X-axis moving mechanism comprises:
the third U-shaped connecting plate is of an inverted U-shaped structure;
the two ends of the second screw rod are of polished rod structures and span the U-shaped structure of the third U-shaped connecting plate, and the two ends of the second screw rod are respectively connected with the two corresponding sides of the third U-shaped connecting plate in a rotating way;
the two ends of the third guide rods are fixedly connected to the two sides of the third U-shaped connecting plate respectively, a second threaded hole is formed in the upper part of the second U-shaped connecting plate corresponding to the second guide rod, a third sliding hole is formed in the upper part of the second U-shaped connecting plate corresponding to the pair of third guide rods, and the third guide rods are connected with the first guide rod and the second guide rod through the second threaded holes and the third sliding holes respectively;
and the X-axis knob is matched with one end of the second screw rod and used for driving the second screw rod to rotate, and the second screw rod drives the second U-shaped connecting plate to pull the Y-axis moving mechanism and the clamping assembly to move along the X-axis direction.
3. The adjustable fixture for a water immersion ultrasonic testing probe with different diameters according to claim 2, wherein a first connecting column is arranged in the middle of the upper end face of the third U-shaped connecting plate, a third threaded hole extending to the upper end and the lower end of the first connecting column is arranged in the axial center of the first connecting column, and the Z-axis moving mechanism comprises:
The middle part of the lower end surface of the first connecting block is provided with a columnar sinking groove which is matched with the outline of the first connecting column;
the upper end of the third screw rod is of a polished rod structure, is rotationally connected to the middle part of the upper end surface of the first connecting block, and the lower end of the third screw rod penetrates into the columnar sinking groove and is in threaded connection with a third threaded hole on the first connecting column of the third U-shaped connecting plate;
and the Z-axis knob is fixedly connected with the upper end of the third screw rod and is used for driving the third screw rod to rotate, and the third U-shaped connecting plate is driven by the third screw rod to drive the X-axis moving mechanism, the Y-axis moving mechanism and the clamping assembly to move along the Z-axis direction.
4. The adjustable clamp for the water immersion ultrasonic testing probe with different diameters according to claim 1, wherein the V-shaped parts of the pair of clamping blocks are further provided with silica gel cushions with the thickness of 2-4 mm.
CN202011418158.2A 2020-12-07 2020-12-07 Adjustable clamp suitable for different-diameter water immersion ultrasonic detection probes Active CN112595780B (en)

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Application Number Priority Date Filing Date Title
CN202011418158.2A CN112595780B (en) 2020-12-07 2020-12-07 Adjustable clamp suitable for different-diameter water immersion ultrasonic detection probes

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Application Number Priority Date Filing Date Title
CN202011418158.2A CN112595780B (en) 2020-12-07 2020-12-07 Adjustable clamp suitable for different-diameter water immersion ultrasonic detection probes

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CN112595780B true CN112595780B (en) 2023-05-12

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013195283A (en) * 2012-03-21 2013-09-30 Shin Nippon Hihakai Kensa Kk Method for detecting flaw of clamp-type pipe joint and ultrasonic probe pair used for the same
CN203658321U (en) * 2014-01-18 2014-06-18 长沙理工大学 Small manual operation platform for water immersion ultrasonic detection for complex workpiece
CN205120668U (en) * 2015-11-04 2016-03-30 华东理工大学 From right nature clamping device
CN210790680U (en) * 2019-10-08 2020-06-19 韶关凌注科技有限公司 Clamping device for visual positioning detection by using manipulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013195283A (en) * 2012-03-21 2013-09-30 Shin Nippon Hihakai Kensa Kk Method for detecting flaw of clamp-type pipe joint and ultrasonic probe pair used for the same
CN203658321U (en) * 2014-01-18 2014-06-18 长沙理工大学 Small manual operation platform for water immersion ultrasonic detection for complex workpiece
CN205120668U (en) * 2015-11-04 2016-03-30 华东理工大学 From right nature clamping device
CN210790680U (en) * 2019-10-08 2020-06-19 韶关凌注科技有限公司 Clamping device for visual positioning detection by using manipulator

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