A scanner for ultrasonic testing of small diameter pipes

Abstract

The present invention provides a scanner for ultrasonic inspection of small-diameter pipes, which relates to the field of welding equipment, and aims to solve the problem that the existing automatic ultrasonic scanner for welds is relatively large overall, and usually the workpiece to be inspected is placed in the device for inspection, which is inconvenient for later inspection and maintenance of the installed workpiece. The scanner comprises an installation mechanism, and two climbing mechanisms are installed on the upper and lower sides of the rear end of the installation mechanism; a supporting mechanism is installed at the front end of the installation mechanism; and a contact mechanism is provided at the rear end of the supporting mechanism. The rolling member A is driven by a driving member motor to make the device as a whole slide on the workpiece to be inspected, and then when the workpiece to be inspected is fixed, the device can conveniently inspect the welds at a higher position of the workpiece to be inspected. At the same time, the device is relatively small overall and easy to carry, and can not only inspect the welds of unused workpieces to be inspected, but also conveniently inspect and maintain the welds of the installed workpiece.

Description

Technical Field

[0001] The present invention belongs to the technical field of welding equipment, and more specifically, particularly relates to a scanner for ultrasonic testing of small-diameter pipes. Background Art

[0002] When conducting weld inspection, a weld ultrasonic detector is usually used to inspect the weld of the workpiece to be inspected, so as to find defects inside the weld and prevent the occurrence of defective products.

[0003] For example, application number: CN201611024281.X involves an automatic scanner and detection method for ultrasonic detection of butt welds of special-shaped pipe fittings, including a scanner main body assembly, a probe arm assembly, a probe clamping assembly, a universal adsorption wheel assembly and a flexible track assembly; the probe arm assembly is installed on the scanner main body assembly, and the probe clamping assembly and the universal adsorption wheel assembly are installed in parallel on the probe arm assembly; when in use, the flexible track assembly is fixed on the pipeline to be inspected, and the scanner main body assembly provides power to move the automatic scanner on the track, and under the action of the probe arm assembly, the probe clamping assembly clamps the ultrasonic probe and moves it along the axial direction of the pipeline to be inspected to the weld to be inspected, and at the same time, the universal adsorption wheel assembly and the pipeline surface around the weld to be inspected support a gap, so that the distance between the ultrasonic probe and the pipeline to be inspected is constant.

[0004] Based on the prior art, it is found that when the existing weld ultrasonic automatic scanner is in use, the device as a whole is relatively large, and the workpiece to be tested is usually placed in the device for testing, which is not convenient for later testing and maintenance of the installed workpiece; at the same time, when the existing weld ultrasonic automatic scanner is in use, the ultrasonic scanner is usually kept turned on, which wastes a lot of power and is not convenient for long-term use. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a scanner for ultrasonic detection of small-diameter pipes to solve the problem that when the existing weld ultrasonic automatic scanner is in use, the device is overall large, and the workpiece to be tested is usually placed in the device for detection, which is inconvenient for later detection and maintenance of the installed workpiece; at the same time, when the existing weld ultrasonic automatic scanner is in use, the ultrasonic scanner is usually kept turned on, which wastes a lot of power and is inconvenient for long-term use.

[0006] The purpose and effect of the scanner for ultrasonic detection of small-diameter pipes of the present invention are achieved by the following specific technical solutions:

[0007] A scanner for ultrasonic detection of small-diameter pipes comprises a mounting mechanism, wherein two climbing mechanisms are installed on the upper and lower sides of the rear end of the mounting mechanism, and the front end of the sliding member of the climbing mechanism is connected to the mounting member of the mounting mechanism through a sliding rod, and the front end of the fixing member of the climbing mechanism is connected to the mounting member through a sliding rod; a supporting mechanism is installed at the front end of the mounting mechanism, and the supporting member of the supporting mechanism is fixedly connected to the mounting member through screws, and a scanning member is arranged on the supporting member; a contact mechanism is provided at the rear end of the supporting mechanism, and the elastic member of the contact mechanism is fixedly connected to the supporting member through screws.

[0008] Furthermore, the installation mechanism includes:

[0009] The mounting piece is a rectangular box body, and a rectangular groove is provided inside the mounting piece; two sliding rods are provided on the upper and lower sides of the mounting piece, respectively, and a rectangular through hole is provided on the top of the mounting piece, and four screw holes are provided at the front end of the mounting piece;

[0010] The battery is made of lithium battery material and is installed inside the rectangular groove of the mounting part.

[0011] Furthermore, the climbing mechanism includes:

[0012] The sliding member is a semicircular plate-shaped structure, and a rectangular protrusion is provided on the outer side of the sliding member; a plurality of inclined cylindrical grooves are provided on the inner surface of the sliding member, and circular through holes are provided on the upper and lower sides of the cylindrical grooves of the sliding member; a rectangular plate-shaped protrusion is provided at the front end of the sliding member, and a cylindrical protrusion is provided on the left side of the sliding member; two circular through holes are provided inside the rectangular plate-shaped protrusion of the sliding member, and a sliding rod of the mounting member is inserted into the circular through hole of the sliding member;

[0013] The rolling member A is an inclined columnar structure, and the number of the inclined columnar structures is the same as the number of the inclined columnar grooves on the inner surface of the sliding member, and the rolling member A is inserted into the inclined columnar grooves of the sliding member; the upper and lower sides of the rolling member A are provided with rotating shafts, and the rotating shafts of the rolling member A are inserted into the through holes of the columnar grooves of the sliding member;

[0014] The fixing piece is an arc-shaped plate-like structure, and a rectangular groove is provided on the inner surface of the fixing piece; a rectangular plate-like protrusion is provided at the front end of the fixing piece, and three circular through holes are provided inside the rectangular plate-like protrusion of the fixing piece; a columnar protrusion of a sliding piece is inserted into the circular through hole of the fixing piece, and the fixing piece is connected to the sliding piece through a spring; a handle is provided above the fixing piece, and the handle of the fixing piece passes through the rectangular through hole above the mounting piece;

[0015] The rolling member B is a columnar structure, and the left and right sides of the rolling member B are provided with rotating shafts, and the rolling member B is inserted into the rectangular groove of the fixing member;

[0016] The driving member adopts a motor, and the rotating shaft of the driving member is connected to the rotating shaft above the rolling member A through a gear box.

[0017] The inner surface of the sliding member (201) is provided with six cylindrical grooves with an inclination angle of thirty degrees.

[0018] Furthermore, the supporting mechanism includes:

[0019] The support member is an L-shaped sheet metal structure, and the front end of the support member is provided with four screw holes, and the upper and lower surfaces inside the support member are provided with T-shaped protrusions; the rear end of the support member is provided with a plate-shaped protrusion, and the plate-shaped protrusion of the support member is provided with a rectangular through hole, and the plate-shaped protrusion of the support member is provided with two screw holes;

[0020] Scanning piece, the scanning piece adopts an ultrasonic detector, and a wire is provided at the front end of the scanning piece, and the wire of the scanning piece is inserted into the rectangular through hole of the support piece;

[0021] The display has a rectangular protrusion at the rear end thereof, and T-shaped grooves are provided on the upper and lower sides of the rectangular protrusion of the display; the T-shaped protrusion of the support is inserted into the T-shaped groove of the display, and the rear end of the display is connected to the wire of the scanning part.

[0022] Furthermore, the contact mechanism includes:

[0023] The elastic member is an arc-shaped plate-shaped structure, and a rectangular plate-shaped protrusion is provided at the rear end of the elastic member; rectangular protrusions are provided on the upper and lower sides of the rectangular plate-shaped protrusion of the elastic member, and a circular through hole is opened inside the rectangular protrusion of the elastic member; a rectangular through hole is opened inside the rectangular plate-shaped protrusion of the elastic member, and the left and right scanning members are inserted into the rectangular through holes of the elastic member;

[0024] The contact piece is a columnar structure, and the contact piece is connected to the elastic piece through a rotating shaft.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. In this device, a climbing mechanism is provided, and the sliding member and the fixing member of the climbing mechanism are connected by a tension spring, so that the device can be stuck on the workpiece to be tested as a whole. A rolling member A is provided inside the sliding member of the climbing mechanism, and the rolling member A is at a 30-degree angle relative to the sliding member. The driving motor of the driving member will make the rolling member A roll, so that the device as a whole slides on the workpiece to be tested. Then, when the workpiece to be tested is fixed, the device can conveniently detect the welds at a higher position of the workpiece to be tested. At the same time, the device is small as a whole and easy to carry. It can not only detect the welds of the unused workpiece to be tested, but also conveniently inspect and maintain the welds of the installed workpiece;

[0027] 2. In this device, a contact mechanism is provided. The elastic part of the contact mechanism can make the contact part always close to the surface of the workpiece to be tested. When encountering a weld, the elastic part can be bounced up to transmit an electrical signal to the scanner, so that the scanner starts working from the standby state, scans and detects the weld, and then processes the scanned data and displays it on the display. Through the above mechanism, the device can start working only when it contacts the weld, which fully increases the use time of the scanner and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0029] Figure 2 It is a schematic diagram of the internal parts structure of the present invention.

[0030] Figure 3 It is a rear view structural schematic diagram of the internal parts of the present invention.

[0031] Figure 4 The present invention Figure 2 A schematic diagram of the local enlarged structure shown in FIG.

[0032] Figure 5 The present invention Figure 2 A schematic diagram of the local enlarged structure at point B is shown.

[0033] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0034] 1. Installation mechanism;

[0035] 101. Mounting parts; 102. Battery;

[0036] 2. Climbing mechanism;

[0037] 201, sliding member; 202, rolling member A; 203, fixing member; 204, rolling member B; 205, driving member;

[0038] 3. Support mechanism;

[0039] 301, support member; 302, scanned copy; 303, display;

[0040] 4. Contact organization;

[0041] 401. Elastic member; 402. Contact member. DETAILED DESCRIPTION

[0042] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0043] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] Example:

[0046] As attached Figure 1 To Attachment Figure 5 As shown:

[0047] The present invention provides a scanner for ultrasonic detection of small-diameter pipes, comprising: a mounting mechanism 1, two climbing mechanisms 2 are installed on the upper and lower sides of the rear end of the mounting mechanism 1, and the front end of a sliding member 201 of the climbing mechanism 2 is connected to the mounting member 101 of the mounting mechanism 1 through a sliding rod, and the front end of a fixing member 203 of the climbing mechanism 2 is connected to the mounting member 101 through a sliding rod; a supporting mechanism 3 is installed at the front end of the mounting mechanism 1, and a supporting member 301 of the supporting mechanism 3 is fixedly connected to the mounting member 101 through screws; a contact mechanism 4 is provided at the rear end of the supporting mechanism 3, and an elastic member 401 of the contact mechanism 4 is fixedly connected to the supporting member 301 through screws.

[0048] like Figure 3 As shown, the mounting mechanism 1 includes: a mounting member 101, which is a rectangular box, and a rectangular groove is provided inside the mounting member 101; two sliding rods are provided on the upper and lower sides of the mounting member 101, and a rectangular through hole is provided on the top of the mounting member 101, and four screw holes are provided at the front end of the mounting member 101; a battery 102, which is made of lithium battery material, and the battery 102 is installed inside the rectangular groove of the mounting member 101.

[0049] like Figure 2As shown, the climbing mechanism 2 includes: a sliding member 201, the sliding member 201 is a semicircular plate-shaped structure, and a rectangular protrusion is provided on the outer side of the sliding member 201; six cylindrical grooves with an inclination angle of thirty degrees are opened on the inner surface of the sliding member 201, and circular through holes are provided on the upper and lower sides of the cylindrical grooves of the sliding member 201; a rectangular plate-shaped protrusion is provided at the front end of the sliding member 201, and a cylindrical protrusion is provided on the left side of the sliding member 201; two circular through holes are opened inside the rectangular plate-shaped protrusion of the sliding member 201, and the circular through holes of the sliding member 201 are provided inside A sliding rod with a mounting member 101 inserted therein; a rolling member A202, which is a columnar structure with an inclination angle of thirty degrees, and six rolling members A202 are inserted into the six columnar grooves of the sliding member 201; a rotating shaft is provided on the upper and lower sides of the rolling member A202, and the rotating shaft of the rolling member A202 is inserted into the through hole of the columnar groove of the sliding member 201; a fixing member 203, which is an arc-shaped plate-shaped structure, and a rectangular groove is opened on the inner surface of the fixing member 203; a rectangular plate-shaped protrusion is provided at the front end of the fixing member 203, and the fixing member 203 is fixed. The rectangular plate-shaped protrusion of the fixing member 203 is provided with three circular through holes; the columnar protrusion of the sliding member 201 is inserted into the circular through hole of the fixing member 203, and the fixing member 203 is connected to the sliding member 201 through a spring; a handle is provided above the fixing member 203, and the handle of the fixing member 203 passes through the rectangular through hole above the mounting member 101; the rolling member B204 is a columnar structure, and the left and right sides of the rolling member B204 are provided with rotating shafts, and the rolling member B204 is inserted into the rectangular groove of the fixing member 203; The driving member 205 adopts a motor, and the rotating shaft of the driving member 205 is connected to the rotating shaft above the rolling member A202 through a gear box; the sliding member 201 and the fixing member 203 of the climbing mechanism 2 are connected through a tension spring, so that the device can be stuck on the workpiece to be measured as a whole, and a rolling member A202 is arranged inside the sliding member 201 of the climbing mechanism 2, and the rolling member A202 is at a thirty-degree angle relative to the sliding member 201. When driven by the motor of the driving member 205, the rolling member A202 will roll, so that the device as a whole will slide on the workpiece to be measured.

[0050] like Figure 2As shown, the support mechanism 3 includes: a support member 301, the support member 301 is an L-shaped sheet metal structure, and the front end of the support member 301 is provided with four screw holes, and the upper and lower surfaces inside the support member 301 are provided with T-shaped protrusions; the rear end of the support member 301 is provided with a plate-shaped protrusion, and the plate-shaped protrusion of the support member 301 is provided with a rectangular through hole, and the plate-shaped protrusion of the support member 301 is provided with two screw holes; a scanning member 302, the scanning member 302 adopts an ultrasonic detector, and the front end of the scanning member 302 is provided with a wire, and the scanning The wire of the scanning part 302 is inserted into the rectangular through hole of the support part 301; the display 303, the rear end of the display 303 is provided with a rectangular protrusion, and the upper and lower sides of the rectangular protrusion of the display 303 are provided with T-slots; the T-slot of the display 303 is inserted with the T-protrusion of the support part 301, and the rear end of the display 303 is connected to the wire of the scanning part 302; the scanning part 302 starts working from the standby state, scans and detects the weld, and then processes the scanned data and displays it through the display 303.

[0051] like Figure 2 As shown, the contact mechanism 4 includes: an elastic member 401, the elastic member 401 is an arc-shaped plate-like structure, and a rectangular plate-like protrusion is provided at the rear end of the elastic member 401; rectangular protrusions are provided on the upper and lower sides of the rectangular plate-like protrusion of the elastic member 401, and a circular through hole is opened inside the rectangular protrusion of the elastic member 401; a rectangular through hole is opened inside the rectangular plate-like protrusion of the elastic member 401, and the left and right scanning members 302 are inserted into the rectangular through holes of the elastic member 401; a contact member 402, the contact member 402 is a columnar structure, and the contact member 402 is connected to the elastic member 401 through a rotating shaft; the elastic member 401 of the contact mechanism 4 can make the contact member 402 always close to the surface of the workpiece to be measured, and when encountering a weld, the elastic member 401 can be bounced up.

[0052] When in use: the sliding member 201 and the fixing member 203 of the climbing mechanism 2 are connected by a tension spring, so that the device can be stuck on the workpiece to be tested as a whole. A rolling member A202 is arranged inside the sliding member 201 of the climbing mechanism 2. The rolling member A202 is at a thirty-degree angle relative to the sliding member 201. The driving member 205 motor drives the rolling member A202 to roll, so that the device as a whole slides on the workpiece to be tested. When the workpiece to be tested is fixed, the device can conveniently detect the welds at a higher position of the workpiece to be tested. At the same time, the device is small in size and easy to carry. It can not only detect the welds of unused workpieces to be tested, but also The weld of the workpiece after installation can be conveniently inspected and maintained; when the device moves on the workpiece to be measured, the elastic member 401 of the contact mechanism 4 can make the contact member 402 always close to the surface of the workpiece to be measured. When encountering a weld, the elastic member 401 can be bounced up to transmit an electrical signal to the scanning member 302, so that the scanning member 302 starts working from the standby state, scans and detects the weld, and then processes the scanned data and displays it through the display 303. Through the above mechanism, the device can start working only when it contacts the weld, which fully increases the use time of the scanning member 302 and improves work efficiency.

[0053] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A scanner for ultrasonic testing of small diameter pipes, characterized in that: include: The mounting mechanism (1) comprises two climbing mechanisms (2) installed on the upper and lower sides of the rear end of the mounting mechanism (1), and the front end of the sliding member (201) of the climbing mechanism (2) is connected to the mounting member (101) of the mounting mechanism (1) through a sliding rod, and the front end of the fixing member (203) of the climbing mechanism (2) is connected to the mounting member (101) through a sliding rod; the front end of the mounting mechanism (1) is installed with a supporting mechanism (3), and the supporting member (301) of the supporting mechanism (3) is connected to the mounting member (101) through screws. The mounting member (101) is fixedly connected, and a scanning member (302) is arranged on the supporting member (301); a contact mechanism (4) is arranged at the rear end of the supporting mechanism (3), and an elastic member (401) of the contact mechanism (4) is fixedly connected to the supporting member (301) by means of screws; when the workpiece to be tested is moved, when a weld is encountered, the elastic member (401) is bounced up and an electrical signal is transmitted to the scanning member (302), so that the scanning member (302) starts working from a standby state and performs scanning detection on the weld; The mounting mechanism (1) comprises: The mounting member (101) is a rectangular box, and a rectangular groove is provided inside the mounting member (101); two sliding rods are provided on the upper and lower sides of the mounting member (101), and a rectangular through hole is provided above the mounting member (101), and four screw holes are provided at the front end of the mounting member (101); A battery (102), the battery (102) is made of lithium battery material, and the battery (102) is installed inside the rectangular groove of the mounting member (101); The climbing mechanism (2) comprises: A sliding member (201), the sliding member (201) is a semicircular plate-shaped structure, and a rectangular protrusion is provided on the outer side of the sliding member (201); a plurality of inclined cylindrical grooves are provided on the inner surface of the sliding member (201), and circular through holes are provided on the upper and lower sides of the cylindrical grooves of the sliding member (201); a rectangular plate-shaped protrusion is provided at the front end of the sliding member (201), and a cylindrical protrusion is provided on the left side of the sliding member (201); two circular through holes are provided inside the rectangular plate-shaped protrusion of the sliding member (201), and a sliding rod of the mounting member (101) is inserted into the circular through hole of the sliding member (201); The rolling member A (202) is an inclined columnar structure, and the number of the inclined columnar structures is the same as the number of the inclined columnar grooves on the inner surface of the sliding member (201), and the rolling member A (202) is inserted into the inclined columnar groove of the sliding member (201); the rolling member A (202) is provided with a rotating shaft on the upper and lower sides, and the rotating shaft of the rolling member A (202) is inserted into the through hole of the columnar groove of the sliding member (201); A fixing member (203), the fixing member (203) is an arc-shaped plate-shaped structure, and a rectangular groove is provided on the inner surface of the fixing member (203); a rectangular plate-shaped protrusion is provided at the front end of the fixing member (203), and three circular through holes are provided inside the rectangular plate-shaped protrusion of the fixing member (203); a columnar protrusion of the sliding member (201) is inserted into the circular through hole of the fixing member (203), and the fixing member (203) is connected to the sliding member (201) via a spring; A rolling member B (204), the rolling member B (204) is a columnar structure, and a rotating shaft is provided on the left and right sides of the rolling member B (204), and the rolling member B (204) is inserted into the rectangular groove of the fixing member (203); The driving member (205) is a motor, and the rotating shaft of the driving member (205) is connected to the rotating shaft above the rolling member A (202) through a gear box.

2. The small diameter pipe ultrasonic inspection scanner according to claim 1, characterized in that: A handle is provided above the fixing member (203), and the handle of the fixing member (203) passes through a rectangular through hole above the mounting member (101).

3. The small diameter pipe ultrasonic inspection scanner according to claim 1, characterized in that: The inner surface of the sliding member (201) is provided with six cylindrical grooves with an inclination angle of thirty degrees.

4. The small diameter pipe ultrasonic inspection scanner according to claim 1, characterized in that: The supporting mechanism (3) comprises: A support member (301), the support member (301) is an L-shaped sheet metal structure, and the front end of the support member (301) is provided with four screw holes, and the upper and lower surfaces inside the support member (301) are provided with T-shaped protrusions; the rear end of the support member (301) is provided with a plate-shaped protrusion, and the plate-shaped protrusion of the support member (301) is provided with a rectangular through hole, and the plate-shaped protrusion of the support member (301) is provided with two screw holes; A scanning piece (302), wherein the scanning piece (302) adopts an ultrasonic detector, and a wire is provided at the front end of the scanning piece (302), and the wire of the scanning piece (302) is inserted into the rectangular through hole of the supporting piece (301); A display (303) is provided with a rectangular protrusion at the rear end of the display (303), and T-shaped grooves are provided on the upper and lower sides of the rectangular protrusion of the display (303); the T-shaped protrusion of the support member (301) is inserted into the T-shaped groove of the display (303), and the rear end of the display (303) is connected to the wire of the scanning member (302).

5. The small diameter pipe ultrasonic inspection scanner according to claim 1, characterized in that: The contact mechanism (4) comprises: An elastic member (401), the elastic member (401) is an arc-shaped plate-shaped structure, and a rectangular plate-shaped protrusion is provided at the rear end of the elastic member (401); rectangular protrusions are provided on the upper and lower sides of the rectangular plate-shaped protrusion of the elastic member (401), and a circular through hole is provided inside the rectangular protrusion of the elastic member (401); a rectangular through hole is provided inside the rectangular plate-shaped protrusion of the elastic member (401), and a scanning member (302) is inserted into the rectangular through hole of the elastic member (401); The contact piece (402) is a columnar structure, and the contact piece (402) is connected to the elastic piece (401) via a rotating shaft.

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