CN220380840U - Positioning device for manufacturing nondestructive inspection standard sample tube wound groove - Google Patents
Positioning device for manufacturing nondestructive inspection standard sample tube wound groove Download PDFInfo
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- CN220380840U CN220380840U CN202321199273.4U CN202321199273U CN220380840U CN 220380840 U CN220380840 U CN 220380840U CN 202321199273 U CN202321199273 U CN 202321199273U CN 220380840 U CN220380840 U CN 220380840U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model belongs to the technical field of manual scribing groove processing of a sample tube, and solves the problem of accurate alignment of the scribing position; the positioning base consists of a front V-shaped block, a rear V-shaped block and a longitudinal connecting arm; the driving mechanism mounting frame is fixedly arranged above the longitudinal connecting arm; the up-and-down movement driving mechanism is arranged in a vertical mounting cavity of the driving mechanism mounting frame and comprises a driving gear and a transmission rack, an upper transverse plate is fixed at the upper end of the transmission rack in a cantilever manner, the lower end of the upper transverse plate is connected with a positioning pointer, and an angle adjusting disc is rotationally connected below the upper transverse plate; the positioning execution part comprises two scribing steel needles and a steel needle support, the upper part of the steel needle support is fixedly connected with the lower end of the angle adjusting disc, and the two scribing steel needles are arranged in two vertical sleeves at the lower part of the steel needle support. The device can realize rapid and accurate alignment of the nicking position.
Description
Technical Field
The utility model belongs to the technical field of manual sample tube notch groove processing in the field of steel tube production, and particularly relates to a positioning device for manufacturing a nondestructive flaw detection standard sample tube notch groove, which is used for positioning a pre-processing notch position before notch.
Background
When manufacturing and producing steel pipe products, the standard sample tube is used for debugging flaw detection equipment and judging flaw detection results, and a flaw groove (groove) needs to be processed on the surface of the standard sample tube through a flaw detection equipment (an electric spark processing method). At present, in the nondestructive flaw detection process, the manual flaw type is engraved more and more strictly, the flaw type shape specification is more and more, and the precision requirement is higher and more. For a wound, the location parameters that need to be determined include: the distance from the lesion to the tube end, the angle of the lesion relative to the axis. The existing notch-type positioning is mainly manually measured by a plate ruler and an angle ruler, so that the position of a bus of a pipe body is difficult to accurately find, particularly because the surface of the pipe body is arc-shaped, the arc-shaped curvature is also quite different due to different pipe diameters and different notch-type angles, the positioning is difficult, and the error influenced by factors such as environment, manpower and the like is quite large, so that the accurate notch-type positioning cannot be accurately positioned.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a positioning device for manufacturing a nondestructive testing standard sampling tube wound groove, which can realize rapid and accurate alignment of the wound position.
The above object of the present utility model is achieved by the following technical solutions:
a positioning device for manufacturing a nondestructive inspection standard sampling tube wound groove comprises a positioning base, an up-and-down movement driving mechanism, a driving mechanism mounting frame, an angle adjusting disc, a positioning pointer, a positioning executing part and a level gauge;
the positioning base is composed of a front V-shaped block, a rear V-shaped block and a longitudinal connecting arm connected with one side of the two V-shaped blocks, and the upper ends of the longitudinal connecting arm and the upper ends of the two V-shaped blocks are coplanar or arranged in parallel; the V-shaped groove of the V-shaped block is arranged below the V-shaped block and is a positioning action surface contacted with the upper end surface of the sampling pipe;
the driving mechanism mounting frame is a vertical frame with a vertical mounting cavity arranged inside, and is fixedly arranged above the longitudinal connecting arm;
the up-and-down movement driving mechanism comprises a driving gear, a transmission rack and an upper transverse plate; the driving gear is arranged in the mounting cavity of the driving mechanism mounting frame, the driving gear is fixed on the gear shaft, two ends of the gear shaft are mounted on the left and right side walls of the driving mechanism mounting frame through bearings, and one end of the gear shaft, which is far away from the V-shaped block, is a driving force application end; the lower part of the transmission rack is inserted into the mounting cavity of the driving mechanism mounting frame and is meshed with the driving gear in a tooth manner; the upper transverse plate is horizontally fixed at the upper end of the transmission rack in a cantilever mode, a mounting through hole is vertically formed in the cantilever end of the upper transverse plate, and an arc-shaped long slot hole is formed in the upper transverse plate by taking the axis of the mounting through hole as a central line;
the positioning pointer is fixed below the cantilever end of the upper transverse plate along the transverse direction or the longitudinal direction and extends outwards to the outside of the upper transverse plate;
the angle adjusting disc consists of a circular disc body part and a disc shaft part coaxially arranged at the upper end of the disc body part; the disc shaft part is arranged in the installation through hole on the upper transverse plate through a bearing; an angle scale mark and a corresponding angle value are arranged on the outer edge part of the upper end of the disk body part along the circumferential direction; a threaded hole is arranged on the tray body part, and the angle adjusting tray is fixed below the upper transverse plate through a fastening screw arranged in the threaded hole and an arc-shaped long slot hole on the upper transverse plate;
the positioning execution part comprises two scribing steel needles and a steel needle bracket, the steel needle bracket is a vertical bracket, the upper part of the steel needle bracket is fixedly connected with the lower end of the angle adjusting disk, the lower part of the steel needle bracket is provided with two vertical sleeve parts, and the two vertical sleeve parts are symmetrically arranged by taking the axis of the angle adjusting disk as the center; the two scribing steel needles are respectively arranged in the inner holes of the two vertical sleeve parts in a penetrating manner in an up-and-down movable manner, and the lower ends of the two scribing steel needles are needle tip heads for contacting with the surface of the sample tube;
the level gauge is arranged above the V-shaped block at one end.
And the upper end of the longitudinal connecting arm is provided with a longitudinal mounting groove, the lower part of the driving mechanism mounting frame is provided with a mounting boss, the mounting boss is embedded into the mounting groove, the bottom of the mounting boss and the bottom of the mounting groove are respectively provided with a threaded hole and a screw penetrating hole, and the driving mechanism mounting frame is fixedly connected with the positioning base through mounting screws.
And a hand wheel is coaxially and fixedly arranged at the driving force application end of the gear shaft.
Moreover, a guiding matching structure along the up-down direction is arranged between the left side and the right side of the transmission rack and the corresponding side wall of the installation cavity; the guide matching structure comprises vertical guide grooves arranged on two sides of the transmission rack and guide rails arranged on corresponding side walls of the mounting cavity and matched with the guide grooves.
Furthermore, a mounting groove is arranged below the cantilever end of the upper transverse plate along the longitudinal direction or the transverse direction; the positioning pointer consists of a needle handle part and a pointed needle head part, and the needle handle part is embedded in the mounting groove and is fixedly connected through a screw; the needle portion extends outwardly.
Moreover, the inner hole of the vertical sleeve part adopts a stepped hole with a large upper part and a small lower part; the needle handle is provided with a positioning baffle plate along the radial direction, the needle handle is inserted into the vertical sleeve, the lower end of the positioning baffle plate is contacted with the hole bottom surface of a large-diameter hole of the vertical sleeve, a pressure spring is sleeved above the positioning baffle plate outside the scribed steel needle, an end cover for limiting the upper end of the pressure spring is fixedly arranged at the upper end of the vertical sleeve part, and a through hole for the upper part of the needle handle to penetrate is arranged in the center of the end cover.
The utility model has the advantages and positive effects that:
1. according to the utility model, the alignment of the nicking positions of the needle tips of the two nicked steel needles of the positioning executing mechanism is carried out on the surface of the sample tube, and the distance between the center of the positioning executing part and the end face of the V-shaped block of the positioning base is fixed, so that the accurate control of the distance from the nicked type to the end of the sample tube can be realized through the distance between the end face of the V-shaped block and the end face of the sample tube.
2. The horizontal alignment of the whole positioning device at the upper end of the sampling tube and the positioning after the alignment can be realized through the matching use of the positioning base and the level gauge; the cooperation of angle adjusting disk and location pointer can realize the accurate control of angle adjusting disk's turned angle, and the location execution part is fixed in the below of angle adjusting disk, through two line steel needles and the contact of sampling tube surface like this, can realize the accurate alignment of nicking position.
3. According to the utility model, the two scribing steel needles are pressed into the inner holes of the two sleeve parts on the steel needle support through the two pressure springs, and the lower ends of the two scribing steel needles can be contacted with the surface of the sample tube in the descending process of the steel needle support.
In conclusion, the utility model can realize the rapid and accurate alignment of the nicked position on the surface of the sample tube, and has the advantages of easy realization and convenient operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a reference view of the present utility model for alignment of a longitudinal score position;
FIG. 3 is a reference view of the present utility model for alignment of the position of an oblique incision;
FIG. 4 is a reference view of the present utility model for lateral scribe position alignment;
fig. 5 is a cross-sectional view of a positioning performing portion of the present utility model.
Detailed Description
The structure of the present utility model will be further described by way of examples with reference to the accompanying drawings. It should be noted that the present embodiments are illustrative and not restrictive.
Referring to fig. 1-5, the utility model relates to a positioning device for manufacturing a nondestructive inspection standard sampling tube wound groove, which comprises the following steps: comprises a positioning base 1, an up-and-down movement driving mechanism 3, a driving mechanism mounting frame 2, an angle adjusting disk 6, a positioning pointer 5, a positioning executing part 7 and a level 8.
The positioning base is used for integrally positioning the positioning device above the sampling tube. The positioning base is composed of a front V-shaped block 1.2, a rear V-shaped block 1.2 and a longitudinal connecting arm 1.1 connected with one side of the two V-shaped blocks, the upper ends of the longitudinal connecting arms and the upper ends of the two V-shaped blocks are coplanar or are arranged in parallel, and V-shaped grooves 1.2.1 of the V-shaped blocks are arranged below the V-shaped blocks to form a positioning action surface contacted with the upper end face of the sampling tube.
The driving mechanism mounting frame is of a vertical frame structure with a vertical mounting cavity arranged inside. The driving mechanism mounting frame is fixedly arranged at the upper end of the longitudinal connecting arm of the positioning base and used for mounting the up-and-down movement driving mechanism. Preferably, a longitudinal mounting groove 1.1.1 is formed in the upper end of the longitudinal connecting arm, a mounting boss matched with the lower portion of the longitudinal mounting groove in shape is arranged at the lower portion of the driving mechanism mounting frame, the mounting boss is embedded into the mounting groove, threaded holes and screw penetrating holes are formed in the bottom of the mounting boss and the bottom of the mounting groove respectively, and the driving mechanism mounting frame and the positioning base are fixedly connected through mounting screws.
The up-and-down movement driving mechanism adopts a gear and rack meshing structure and comprises a driving gear 3.4, a transmission rack 3.2 and an upper transverse plate 3.3. The driving gear is arranged in the installation cavity of the driving mechanism installation frame, the driving gear is fixed on the gear shaft, two ends of the gear shaft are installed on the left side wall and the right side wall of the driving mechanism installation frame through bearings, and a hand wheel 3.1 is installed on a shaft head at one end of the gear shaft far away from the V-shaped block, so that the driving gear can be rotated conveniently. The lower part of the transmission rack is inserted into the mounting cavity of the driving mechanism mounting frame and is meshed with the driving gear in a tooth manner. Guide matching structures along the up-down direction are arranged between the left side and the right side of the transmission rack and the corresponding side wall of the installation cavity. For example, vertical guide grooves are formed in two sides of the transmission rack, and guide rails matched with the guide grooves are formed in corresponding side walls of the installation cavity.
The upper transverse plate is fixedly connected with the upper end part of the transmission rack in a cantilever mode through screw connection and the like, and is horizontally arranged, and the cantilever mode of the upper transverse plate is one side close to the V-shaped block. And a mounting through hole is vertically arranged at the cantilever end of the upper transverse plate and is used for being matched with the central shaft of the angle adjusting disc. An arc-shaped long slot hole 3.3.1 for penetrating the fastening screw is formed in the upper transverse plate by taking the axis of the mounting through hole as a central line.
And a mounting groove is arranged below the cantilever end of the upper transverse plate along the longitudinal direction or the transverse direction and is used for embedding the positioning pointer. The positioning pointer consists of a needle handle part and a pointed needle head part, and the needle handle part is embedded in the mounting groove and is fixedly connected through a screw. The needle head part extends outwards and is matched with scale marks on the angle adjusting disc, so that the accurate control of the rotation angle of the angle adjusting disc is realized.
The angle adjusting disc is composed of a circular disc body part and a disc shaft part coaxially arranged at the upper end of the disc body part. The disc shaft part is arranged in the installation through hole on the upper transverse plate through a bearing, so that the disc body part is positioned below the upper transverse plate. The outer edge part of the upper end of the disk body part is provided with angle scale marks and corresponding angle values are marked along the circumferential direction. A threaded hole is arranged on the tray body part, and the threaded hole is matched with an arc-shaped long slot hole on the upper transverse plate for installing a fastening screw 4 for fastening the angle adjusting tray.
The positioning execution part comprises two scribing steel needles 7.2 and a steel needle support 7.3, the steel needle support is a vertical support, the upper part of the steel needle support is fixedly connected with the lower end of the angle adjusting disc through threads, the lower part of the steel needle support is provided with two vertical sleeve parts, and the two vertical sleeve parts are symmetrically arranged by taking the axis of the angle adjusting disc as the center. The two line steel needles are respectively penetrated in the inner holes of the two vertical sleeve parts in an up-and-down movable mode, and the lower ends of the two line steel needles are needle tips and are used for being contacted with the surface of the sample tube. Specifically, the inner hole of the vertical sleeve adopts a stepped hole with a large upper part and a small lower part, wherein the aperture of the small hole is slightly larger than the needle handle of the dividing steel needle, so that the small hole and the needle handle can form clearance fit, a positioning baffle 7.2.1 is radially fixed on the needle handle or integrally processed on the needle handle, the needle handle is inserted into the vertical sleeve, the lower limit of the dividing steel needle is realized through the contact between the lower end of the positioning baffle and the hole bottom surface of the large-diameter hole of the vertical sleeve, a pressure spring 7.4 is sleeved above the positioning baffle outside the dividing steel needle, an end cover 7.1 is fixed at the upper end of the vertical sleeve part in a threaded connection mode or a screw fixing mode, the upper end of the pressure spring is limited through the end cover, a through hole is arranged in the center of the end cover, and the upper part of the needle handle is penetrated out in a clearance fit mode.
In the structure, under the condition that the positioning pointer is transversely arranged, when the positioning pointer is aligned with the 0-degree scale on the angle adjusting disc, the needle tip connecting line of the two scribing steel needles is arranged along the axial direction of the sampling tube; under the condition that the positioning pointer is longitudinally arranged, when the positioning pointer is aligned with the 0-degree scale on the angle adjusting disc, the needle tip connecting line of the two scribing steel needles is arranged along the axial direction of the sampling tube.
The level gauge is arranged above the V-shaped block at one end and used for realizing horizontal alignment of the positioning base at the upper end of the sampling tube.
The working principle of the positioning device for manufacturing the nondestructive inspection standard sample tube wound groove is as follows:
1. the pipe 9 to be carved is horizontally placed on the corresponding steel pipe support, two V-shaped blocks are ridden and spanned above the steel pipe, the distance from the pipe end to one end of V-shaped iron is measured according to the standard requirement, and the positioning base is pushed and pulled axially along the steel pipe to enable the positioning base to meet the standard requirement on the distance from the pipe end. Thereby determining the tip-to-wound distance.
2. Observing the level gauge, and simultaneously rotating and adjusting the V-shaped block along the radial direction of the surface of the sampling tube to ensure that the V-shaped iron block is kept in a horizontal state along the radial direction of the sampling tube;
3. the fastening screw of the fixed angle adjusting disk is unscrewed, the angle adjusting disk is rotated, the alignment condition of the scale marks on the angle adjusting disk and the positioning pointer is observed according to the axial angle requirements of the nicks and the sampling pipe, the set angle requirement is achieved, then the position of the angle adjusting disk is kept still, the fastening screw is screwed, and the angle adjusting disk is fixed. The angle of the wound is thus determined.
4. And the driving gear is rotated to enable the transmission rack to move downwards until the needle tips of the two scribing steel needles are all contacted with the upper surface of the sampling tube. The steel plate rule is tightly attached to the stitch of the two steel needles, and the marking pen is used for marking the required wound position.
Therefore, the injury position is accurately determined from the two aspects of the pipe end distance and the injury angle, and the injury carving can be performed on the sample pipe on the carving machine in the follow-up procedure.
Although the embodiments of the present utility model and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the embodiments and the disclosure of the drawings.
Claims (6)
1. The utility model provides a positioner is used in preparation of nondestructive test standard sampling tube groove which characterized in that: comprises a positioning base, an up-and-down movement driving mechanism, a driving mechanism mounting frame, an angle adjusting disc, a positioning pointer, a positioning executing part and a level gauge;
the positioning base is composed of a front V-shaped block, a rear V-shaped block and a longitudinal connecting arm connected with one side of the two V-shaped blocks, and the upper ends of the longitudinal connecting arm and the upper ends of the two V-shaped blocks are coplanar or arranged in parallel; the V-shaped groove of the V-shaped block is arranged below the V-shaped block and is a positioning action surface contacted with the upper end surface of the sampling pipe;
the driving mechanism mounting frame is a vertical frame with a vertical mounting cavity arranged inside, and is fixedly arranged above the longitudinal connecting arm;
the up-and-down movement driving mechanism comprises a driving gear, a transmission rack and an upper transverse plate; the driving gear is arranged in the mounting cavity of the driving mechanism mounting frame, the driving gear is fixed on the gear shaft, two ends of the gear shaft are mounted on the left and right side walls of the driving mechanism mounting frame through bearings, and one end of the gear shaft, which is far away from the V-shaped block, is a driving force application end; the lower part of the transmission rack is inserted into the mounting cavity of the driving mechanism mounting frame and is meshed with the driving gear in a tooth manner; the upper transverse plate is horizontally fixed at the upper end of the transmission rack in a cantilever mode, a mounting through hole is vertically formed in the cantilever end of the upper transverse plate, and an arc-shaped long slot hole is formed in the upper transverse plate by taking the axis of the mounting through hole as a central line;
the positioning pointer is fixed below the cantilever end of the upper transverse plate along the transverse direction or the longitudinal direction and extends outwards to the outside of the upper transverse plate;
the angle adjusting disc consists of a circular disc body part and a disc shaft part coaxially arranged at the upper end of the disc body part; the disc shaft part is arranged in the installation through hole on the upper transverse plate through a bearing; an angle scale mark and a corresponding angle value are arranged on the outer edge part of the upper end of the disk body part along the circumferential direction; a threaded hole is arranged on the tray body part, and the angle adjusting tray is fixed below the upper transverse plate through a fastening screw arranged in the threaded hole and an arc-shaped long slot hole on the upper transverse plate;
the positioning execution part comprises two scribing steel needles and a steel needle bracket, the steel needle bracket is a vertical bracket, the upper part of the steel needle bracket is fixedly connected with the lower end of the angle adjusting disk, the lower part of the steel needle bracket is provided with two vertical sleeve parts, and the two vertical sleeve parts are symmetrically arranged by taking the axis of the angle adjusting disk as the center; the two scribing steel needles are respectively arranged in the inner holes of the two vertical sleeve parts in a penetrating manner in an up-and-down movable manner, and the lower ends of the two scribing steel needles are needle tip heads for contacting with the surface of the sample tube;
the level gauge is arranged above the V-shaped block at one end.
2. The positioning device for manufacturing the nondestructive inspection standard sampling tube flaw groove according to claim 1, wherein the positioning device comprises the following components: the upper end of the longitudinal connecting arm is provided with a longitudinal mounting groove, the lower part of the driving mechanism mounting frame is provided with a mounting boss, the mounting boss is embedded into the mounting groove, the bottom of the mounting boss and the bottom of the mounting groove are respectively provided with a threaded hole and a screw penetrating hole, and the driving mechanism mounting frame and the positioning base are fixedly connected through the mounting screws.
3. The positioning device for manufacturing the nondestructive inspection standard sampling tube flaw groove according to claim 1, wherein the positioning device comprises the following components: a hand wheel is coaxially and fixedly arranged at the driving force application end of the gear shaft.
4. The positioning device for manufacturing the nondestructive inspection standard sampling tube flaw groove according to claim 1, wherein the positioning device comprises the following components: guide matching structures along the up-down direction are arranged between the left side and the right side of the transmission rack and the corresponding side wall of the installation cavity; the guide matching structure comprises vertical guide grooves arranged on two sides of the transmission rack and guide rails arranged on corresponding side walls of the mounting cavity and matched with the guide grooves.
5. The positioning device for manufacturing the nondestructive inspection standard sampling tube flaw groove according to claim 1, wherein the positioning device comprises the following components: a mounting groove is arranged below the cantilever end of the upper transverse plate along the longitudinal direction or the transverse direction; the positioning pointer consists of a needle handle part and a pointed needle head part, and the needle handle part is embedded in the mounting groove and is fixedly connected through a screw; the needle portion extends outwardly.
6. The positioning device for manufacturing the nondestructive inspection standard sampling tube injury slot according to claim 1, wherein the inner hole of the vertical sleeve part adopts a stepped hole with a large upper part and a small lower part; the needle handle is provided with a positioning baffle plate along the radial direction, the needle handle is inserted into the vertical sleeve, the lower end of the positioning baffle plate is contacted with the hole bottom surface of a large-diameter hole of the vertical sleeve, a pressure spring is sleeved above the positioning baffle plate outside the scribed steel needle, an end cover for limiting the upper end of the pressure spring is fixedly arranged at the upper end of the vertical sleeve part, and a through hole for the upper part of the needle handle to penetrate is arranged in the center of the end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199273.4U CN220380840U (en) | 2023-05-18 | 2023-05-18 | Positioning device for manufacturing nondestructive inspection standard sample tube wound groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199273.4U CN220380840U (en) | 2023-05-18 | 2023-05-18 | Positioning device for manufacturing nondestructive inspection standard sample tube wound groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220380840U true CN220380840U (en) | 2024-01-23 |
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ID=89566355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321199273.4U Active CN220380840U (en) | 2023-05-18 | 2023-05-18 | Positioning device for manufacturing nondestructive inspection standard sample tube wound groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220380840U (en) |
-
2023
- 2023-05-18 CN CN202321199273.4U patent/CN220380840U/en active Active
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