CN110514739B - Reciprocating nondestructive testing device - Google Patents
Reciprocating nondestructive testing device Download PDFInfo
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- CN110514739B CN110514739B CN201910802858.2A CN201910802858A CN110514739B CN 110514739 B CN110514739 B CN 110514739B CN 201910802858 A CN201910802858 A CN 201910802858A CN 110514739 B CN110514739 B CN 110514739B
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- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 abstract description 33
- 238000010586 diagram Methods 0.000 description 2
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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
- G01N29/04—Analysing solids
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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
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- 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
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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Abstract
The invention discloses a reciprocating nondestructive testing device, and belongs to the field of nondestructive testing. The nondestructive testing device comprises a nondestructive testing instrument and a testing head, wherein a clamping assembly is rotatably arranged below the testing head, the testing head is arranged at the bottom of a sliding block, the sliding block is arranged between two groups of lifting blocks in a sliding manner, and the lifting blocks are connected with a lifting mechanism; the slider on be equipped with and be used for driving the slider to carry out reciprocating sliding's reciprocating mechanism, the slider still link to each other with clamping component through intermittent type subassembly. The invention can drive the detection head to lift through the lifting mechanism and can drive the detection head to do reciprocating linear motion through the reciprocating mechanism, thereby facilitating the detection head to carry out nondestructive detection on the workpiece. In addition, the invention can drive the workpiece to rotate intermittently through the intermittent assembly while the detection head performs reciprocating linear motion, thereby facilitating the detection head to perform comprehensive nondestructive detection on the workpiece.
Description
Technical Field
The invention relates to the field of nondestructive testing, in particular to a reciprocating nondestructive testing device.
Background
Workpieces such as metal plates or metal pipes are often subjected to nondestructive testing by nondestructive testing equipment such as an ultrasonic tester and a testing head.
However, when the conventional nondestructive testing device performs nondestructive testing on a workpiece, the detection head is not easy to control to reciprocate, and the workpiece to be tested is also not easy to control to rotate, so that the conventional nondestructive testing device is not convenient for performing comprehensive nondestructive testing on the workpiece, and therefore, improvement of the conventional nondestructive testing device is urgently needed.
Disclosure of Invention
The present invention is directed to a reciprocating nondestructive testing apparatus, which solves the above problems.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a reciprocating nondestructive testing device comprises a nondestructive testing instrument and a testing head, wherein the nondestructive testing instrument is electrically connected with the testing head, a clamping assembly used for fixing a workpiece is rotatably arranged below the testing head, the testing head is arranged at the bottom of a sliding block, the sliding block is slidably arranged between two groups of lifting blocks, and the lifting blocks are connected with a lifting mechanism used for driving the lifting blocks to lift; the sliding block is provided with a reciprocating mechanism for driving the sliding block to slide in a reciprocating manner, and the sliding block is also connected with the clamping assembly through an intermittent assembly; when the sliding block slides in a reciprocating mode, the intermittent assembly intermittently drives the clamping assembly to rotate.
According to a preferred scheme provided by the embodiment of the invention, the reciprocating mechanism comprises a first rotating disc which is rotatably arranged above the sliding block, the first rotating disc is connected with a first motor, and the first motor is arranged at the top of the sliding block; still rotate on the eccentric position of first carousel and be connected with first movable rod, first movable rod rotate with the dead lever and be connected, the dead lever fix on first guide bar, first guide bar fix between two sets of elevator blocks, slider and first guide bar carry out sliding fit.
According to another preferred scheme provided by the embodiment of the invention, the clamping assembly comprises two groups of symmetrically arranged positioning plates, the two groups of positioning plates are respectively and fixedly connected with two groups of first rotating shafts which are rotatably arranged, and a plurality of groups of clamping screws for clamping workpieces are further in threaded connection with the positioning plates; one group of the first rotating shafts are connected with the intermittent assembly, and the intermittent assembly intermittently drives the first rotating shafts to rotate.
In another preferred scheme provided by the embodiment of the present invention, the intermittent assembly includes a third rotating shaft which is rotatably disposed, two ends of the third rotating shaft are respectively and fixedly connected with one group of the first rotating shaft and the driven bevel gear, the driven bevel gear is engaged with the driving bevel gear, the driving bevel gear is fixed on a second rotating shaft which is rotatably disposed, a driven gear is further fixed on the second rotating shaft, the driven gear is intermittently engaged with the incomplete gear, and the incomplete gear is fixed on a rotating column which is rotatably disposed; the rotating column is connected with the sliding block through a transmission assembly; when the sliding block slides in a reciprocating manner, the transmission assembly drives the rotating column to rotate.
In another preferred scheme provided by the embodiment of the invention, the transmission assembly comprises a sliding rod which is slidably arranged in the rotating column, the sliding rod penetrates through the rotating column and is fixedly connected with the second rotating disc, and the axis of the second rotating disc is coincident with the axis of the rotating column; the eccentric position of the second turntable is rotatably connected with a second movable rod, the second movable rod is rotatably connected with a connecting rod, and the connecting rod is fixedly connected with the sliding block.
According to another preferred scheme provided by the embodiment of the invention, the lifting mechanism comprises an electric telescopic rod, the electric telescopic rod is connected with one group of lifting blocks, the two groups of lifting blocks are respectively in sliding fit with the two groups of second guide rods, and the second guide rods are fixed between the two groups of limiting plates.
According to another preferred scheme provided by the embodiment of the invention, the lifting mechanism comprises a second motor, the second motor is connected with a screw rod, the screw rod is rotatably arranged between the two groups of limiting plates, the screw rod is in threaded connection with one group of lifting blocks, the other group of lifting blocks is in sliding fit with a second guide rod, and the second guide rod is fixed between the two groups of limiting plates.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following technical effects:
(1) according to the embodiment of the invention, the detection head is arranged at the bottom of the sliding block, the sliding block is arranged between the two groups of lifting blocks capable of lifting in a sliding manner, so that the detection head can be driven to lift through the lifting mechanism, and the detection head is driven to do reciprocating linear motion through the reciprocating mechanism with the first rotating disc, the first movable rod and the fixed rod, so that the detection head can conveniently perform nondestructive detection on a workpiece.
(2) In the embodiment of the invention, the sliding block is connected with the first rotating shaft through the transmission assembly with the connecting rod, the second movable rod, the second rotating disc and the sliding rod and the intermittent assembly with the rotating column, the incomplete gear and the driven gear, so that the workpiece between the first rotating shaft and the two groups of positioning plates can be driven to intermittently rotate through the intermittent assembly while the detection head performs reciprocating linear motion, and the detection head can perform comprehensive nondestructive detection on the workpiece conveniently.
Drawings
Fig. 1 is a schematic structural diagram of a reciprocating nondestructive testing apparatus provided in embodiment 1.
Fig. 2 is a perspective structural view of the transmission assembly and the intermittent assembly provided in embodiment 1.
Fig. 3 is a schematic structural diagram of a reciprocating nondestructive testing apparatus provided in embodiment 2.
In the figure: 1-base, 2-bracket, 3-top plate, 4-through hole, 5-nondestructive detector, 6-detection head, 7-mounting plate, 8-first rotating shaft, 9-positioning plate, 10-clamping screw, 11-sliding block, 12-first guide rod, 13-lifting block, 14-second guide rod, 15-limiting plate, 16-electric telescopic rod, 17-first motor, 18-first turntable, 19-first movable rod, 20-fixed rod, 21-connecting rod, 22-second movable rod, 23-second turntable, 24-sliding rod, 25-rotating column, 26-incomplete gear, 27-driven gear, 28-second rotating shaft, 29-driving bevel gear, 30-driven bevel gear, 31-a third rotating shaft, 32-a screw rod and 33-a second motor.
Detailed Description
The following specific embodiments are specifically and clearly described in the technical solutions of the present application with reference to the drawings provided in the present specification. The drawings in the specification are for clarity of presentation of the technical solutions of the present application, and do not represent shapes or sizes in actual production or use, and reference numerals of the drawings are not limited to the claims involved.
In addition, in the description of the present application, terms used should be construed broadly, and specific meanings of the terms may be understood by those skilled in the art according to actual situations. For example, the term "mounted" as used in this application may be defined as a fixed mounting that is removable or a fixed mounting that is not removable, etc.; the terms "set" and "provided" as used herein may be defined as either a contact or a non-contact arrangement, etc.; the terms "connected" and "coupled" as used herein may be defined as mechanically, electrically, or both fixedly and removably coupled; the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; all the terms of orientation used are used with reference to the drawings or are based on the direction defined by the actual situation and the common general knowledge.
Example 1
Referring to fig. 1-2, the embodiment provides a reciprocating nondestructive testing device, which includes a nondestructive testing apparatus 5 and a testing head 6, wherein the nondestructive testing apparatus 5 is electrically connected to the testing head 6, the nondestructive testing apparatus 5 and the testing head 6 are commercially available products, the nondestructive testing apparatus 5 can select a common ultrasonic testing apparatus in the prior art, and a workpiece below the testing head 6 can be subjected to nondestructive testing through the testing head 6. In addition, nondestructive test appearance 5 installs on base 1, base 1 top be fixed with roof 3 through two sets of supports 2, the position in the middle of roof 3 is equipped with through-hole 4, detection head 6 set up between roof 3 and base 1.
Furthermore, a clamping assembly for fixing a workpiece is rotatably arranged below the detection head 6, the detection head 6 is arranged at the bottom of the sliding block 11, the sliding block 11 is slidably arranged between the two groups of lifting blocks 13, and the lifting blocks 13 are connected with a lifting mechanism for driving the lifting blocks 13 to lift; the sliding block 11 is provided with a reciprocating mechanism for driving the sliding block 11 to slide in a reciprocating manner, and the sliding block 11 is also connected with the clamping assembly through an intermittent assembly; when the sliding block 11 slides in a reciprocating manner, the intermittent assembly intermittently drives the clamping assembly to rotate.
Specifically, the clamping assembly comprises two groups of symmetrically arranged positioning plates 9, the two groups of positioning plates 9 are respectively and fixedly connected with two groups of first rotating shafts 8 which are rotatably arranged, the first rotating shafts 8 are rotatably arranged on an installation plate 7 through bearings, and the installation plate 7 is fixed on the base 1; the positioning plates 9 are also in threaded connection with a plurality of groups of clamping screws 10 for clamping workpieces, and the workpieces can be stably fixed between the two groups of positioning plates 9 by screwing the clamping screws 10.
In addition, one group of the first rotating shafts 8 are also connected with an intermittent assembly, and the intermittent assembly intermittently drives the first rotating shafts 8 to rotate. Specifically, the intermittent assembly comprises a third rotating shaft 31 rotatably mounted on one group of the brackets 2, two ends of the third rotating shaft 31 are respectively and fixedly connected with one group of the first rotating shaft 8 and a driven bevel gear 30, the driven bevel gear 30 is meshed with a driving bevel gear 29, the driving bevel gear 29 is fixed on a second rotating shaft 28, and the second rotating shaft 28 is rotatably mounted on the base 1 through a bearing; a driven gear 27 is also fixed on the second rotating shaft 28, the driven gear 27 is intermittently meshed with the incomplete gear 26, the incomplete gear 26 is fixed on a rotating column 25, and the rotating column 25 is rotatably installed on the base 1 through a bearing; wherein, only half of the incomplete gear 26 has teeth, the number of teeth of the incomplete gear 26 is half of the number of teeth of the driven gear 27, and the specification and the number of teeth of the driving bevel gear 29 and the driven bevel gear 30 are the same.
Further, the rotary column 25 is connected with the slide block 11 through a transmission assembly; when the sliding block 11 slides back and forth, the transmission assembly drives the rotary column 25 to rotate.
Specifically, the transmission assembly comprises a sliding rod 24 slidably arranged in a rotating column 25, the sliding rod 24 penetrates through the rotating column 25 to be fixedly connected with the second rotating disc 23, and the axis of the second rotating disc 23 is coincident with the axis of the rotating column 25; the cross section of the sliding rod 24 is non-circular, and specifically can be square, and it can only slide in the rotary column 25, but cannot rotate in the rotary column 25, so as to ensure that the rotary column 25 can be driven to rotate by the rotation of the second rotary table 23, and that the sliding block 11 can be lifted, and the second rotary table 23 can be lifted along with the rotation. In addition, a second movable rod 22 is rotatably connected to the eccentric position of the second turntable 23, the second movable rod 22 is rotatably connected to the connecting rod 21, and the connecting rod 21 penetrates through one group of the brackets 2 to be fixedly connected with the sliding block 11.
Specifically, the reciprocating mechanism arranged on the sliding block 11 comprises a first rotating disc 18 rotatably arranged above the sliding block 11, the first rotating disc 18 is fixedly connected with a motor shaft of a first motor 17, and the first motor 17 is arranged at the top of the sliding block 11; still rotate on the eccentric position of first carousel 18 and be connected with first movable rod 19, first movable rod 19 rotate with dead lever 20 and be connected, dead lever 20 fix on first guide bar 12, first guide bar 12 fix between two sets of elevator 13, slider 11 and first guide bar 12 carry out sliding fit. It should be noted that the connecting rod 21 and the first guide rod 12 are parallel to each other, but not coplanar; the first rotating disc 18 and the second rotating disc 23 have the same size and are parallel to each other; the first movable rod 19 and the second movable rod 22 are parallel to each other, and the distance from the rotating joint of the first movable rod 19 and the first rotary table 18 to the center of the first rotary table 18 is equal to the distance from the rotating joint of the second movable rod 22 and the second rotary table 23 to the center of the second rotary table 23.
In addition, the lifting mechanism comprises an electric telescopic rod 16, the electric telescopic rod 16 is connected with one group of lifting blocks 13, and the electric telescopic rod 16 can adopt a common air cylinder or hydraulic cylinder in the prior art; two sets of elevator 13 carry out sliding fit with two sets of second guide bars 14 respectively, second guide bar 14 fix between two sets of limiting plates 15, limiting plates 15 fix on support 2.
When the nondestructive testing device provided by the embodiment is used, a workpiece is clamped and fixed between the two groups of positioning plates 9 through the clamping screws 10; then, the lifting block 13 is driven to descend by the lifting mechanism, so that the detection head 6 is close to the workpiece; then, the nondestructive detector 5 is started to perform nondestructive detection on the workpiece; meanwhile, the first rotating disc 18 can be driven to rotate by starting the first motor 17, the first rotating disc 18 can drive the first movable rod 19 to swing, and the fixed rod 20 which is rotatably connected with the first movable rod 19 is fixed on the first guide rod 12, so that the first movable rod 19 can drive the sliding block 11 to slide in a reciprocating manner along the first guide rod 12, and the detection head 6 can be driven to perform reciprocating linear motion above the workpiece, so that the workpiece can be conveniently subjected to comprehensive nondestructive detection.
In addition, the reciprocating sliding of the sliding block 11 can also drive the connecting rod 21 to perform reciprocating linear motion, the reciprocating linear motion of the connecting rod 21 can drive the second movable rod 22 to swing, the swing of the second movable rod 22 can drive the second turntable 23 to rotate, the rotation of the second turntable 23 can drive the rotary column 25 to rotate, the rotation of the rotary column 25 can drive the incomplete gear 26 to rotate, the rotation of the incomplete gear 26 can intermittently drive the driven gear 27 to rotate, the intermittent rotation of the driven gear 27 can drive the driving bevel gear 29 and the driven bevel gear 30 to intermittently rotate, so that the workpiece between the first rotating shaft 8 and the two sets of positioning plates 9 can be driven to intermittently rotate, and further, the workpiece can be conveniently subjected to comprehensive nondestructive detection.
Example 2
Referring to fig. 3, the embodiment is based on embodiment 1, and provides another possible lifting mechanism, specifically, the lifting mechanism provided in this embodiment includes a second motor 33, the second motor 33 is installed on the top plate 3, a motor shaft of the second motor 33 is fixedly connected to a screw rod 32, the screw rod 32 is rotatably installed between two sets of limiting plates 15, the screw rod 32 is in threaded connection with one set of lifting blocks 13, the other set of lifting blocks 13 is in sliding fit with a second guiding rod 14, and the second guiding rod 14 is fixed between the other two sets of limiting plates 15. The second motor 33 is a forward and reverse motor commonly used in the prior art, and the forward and reverse rotation of the second motor 33 can drive the screw 32 to rotate forward and reverse, so that the lifting block 13 can be driven to lift.
In summary, in the embodiment of the present invention, the detection head 6 is installed at the bottom of the sliding block 11, and the sliding block 11 is slidably disposed between the two sets of lifting blocks 13, so that the detection head 6 can be driven by the lifting mechanism to lift, and the detection head 6 can be driven by the reciprocating mechanism with the first rotating disc 18, the first movable rod 19 and the fixed rod 20 to perform a reciprocating linear motion, thereby facilitating the nondestructive detection of the workpiece by the detection head 6.
In addition, in the embodiment of the invention, the sliding block 11 is connected with the first rotating shaft 8 through a transmission assembly with the connecting rod 21, the second movable rod 22, the second rotating disc 23 and the sliding rod 24 and an intermittent assembly with the rotating column 25, the incomplete gear 26 and the driven gear 27, so that the workpiece between the first rotating shaft 8 and the two groups of positioning plates 9 can be driven to intermittently rotate through the intermittent assembly while the detection head 6 performs reciprocating linear motion, and the detection head 6 can perform comprehensive nondestructive detection on the workpiece conveniently.
It should be noted that the above embodiments are only specific and clear descriptions of technical solutions and technical features of the present application. However, to those skilled in the art, aspects or features that are part of the prior art or common general knowledge are not described in detail in the above embodiments.
In addition, the technical solutions of the present application are not limited to the above-described embodiments, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined, so that other embodiments that can be understood by those skilled in the art may be formed.
Claims (4)
1. A reciprocating nondestructive testing device comprises a nondestructive testing instrument (5) and a testing head (6), wherein the nondestructive testing instrument (5) is electrically connected with the testing head (6), and the reciprocating nondestructive testing device is characterized in that a clamping component for fixing a workpiece is rotatably arranged below the testing head (6), the testing head (6) is arranged at the bottom of a sliding block (11), the sliding block (11) is slidably arranged between two groups of lifting blocks (13), and the lifting blocks (13) are connected with a lifting mechanism for driving the lifting blocks (13) to lift; the sliding block (11) is provided with a reciprocating mechanism for driving the sliding block (11) to slide in a reciprocating manner, and the sliding block (11) is also connected with the clamping assembly through an intermittent assembly; when the sliding block (11) slides in a reciprocating manner, the intermittent assembly intermittently drives the clamping assembly to rotate;
the clamping assembly comprises two groups of symmetrically arranged positioning plates (9), the two groups of positioning plates (9) are respectively and fixedly connected with two groups of first rotating shafts (8) which are rotatably arranged, and a plurality of groups of clamping screws (10) for clamping workpieces are in threaded connection with the positioning plates (9); one group of the first rotating shafts (8) is connected with an intermittent assembly, and the intermittent assembly intermittently drives the first rotating shafts (8) to rotate;
the intermittent assembly comprises a third rotating shaft (31) which is rotatably arranged, two ends of the third rotating shaft (31) are respectively and fixedly connected with one group of first rotating shaft (8) and one group of driven bevel gears (30), the driven bevel gears (30) are meshed with the driving bevel gears (29), the driving bevel gears (29) are fixed on a second rotating shaft (28) which is rotatably arranged, driven gears (27) are also fixed on the second rotating shaft (28), the driven gears (27) are intermittently meshed with incomplete gears (26), and the incomplete gears (26) are fixed on rotating columns (25) which are rotatably arranged; the rotating column (25) is connected with the sliding block (11) through a transmission assembly; when the sliding block (11) slides in a reciprocating manner, the transmission assembly drives the rotating column (25) to rotate;
the transmission assembly comprises a sliding rod (24) which is arranged in a rotating column (25) in a sliding mode, the sliding rod (24) penetrates through the rotating column (25) to be fixedly connected with a second rotating disc (23), and the axis of the second rotating disc (23) is overlapped with the axis of the rotating column (25); the eccentric position of second carousel (23) goes up to rotate and is connected with second movable rod (22), second movable rod (22) rotate with connecting rod (21) and be connected, connecting rod (21) and slider (11) fixed link to each other.
2. The reciprocating nondestructive testing device of claim 1, wherein the reciprocating mechanism comprises a first rotating disc (18) rotatably disposed above the slide block (11), the first rotating disc (18) is connected with a first motor (17), and the first motor (17) is mounted on the top of the slide block (11); still rotate on the eccentric position of first carousel (18) and be connected with first movable rod (19), first movable rod (19) rotate with dead lever (20) and be connected, dead lever (20) fix on first guide bar (12), first guide bar (12) fix between two sets of elevator block (13), slider (11) and first guide bar (12) carry out sliding fit.
3. The reciprocating nondestructive testing device of claim 1, wherein the lifting mechanism comprises an electric telescopic rod (16), the electric telescopic rod (16) is connected with one set of lifting blocks (13), the two sets of lifting blocks (13) are respectively in sliding fit with two sets of second guide rods (14), and the second guide rods (14) are fixed between two sets of limiting plates (15).
4. The reciprocating nondestructive testing device of claim 1, wherein the lifting mechanism comprises a second motor (33), the second motor (33) is connected with a screw (32), the screw (32) is rotatably arranged between two sets of limiting plates (15), the screw (32) is in threaded connection with one set of lifting blocks (13), the other set of lifting blocks (13) is in sliding fit with a second guide rod (14), and the second guide rod (14) is fixed between two sets of limiting plates (15).
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