CN110653733B - Clamping mechanism for nondestructive testing - Google Patents
Clamping mechanism for nondestructive testing Download PDFInfo
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- CN110653733B CN110653733B CN201910803965.7A CN201910803965A CN110653733B CN 110653733 B CN110653733 B CN 110653733B CN 201910803965 A CN201910803965 A CN 201910803965A CN 110653733 B CN110653733 B CN 110653733B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention discloses a clamping mechanism for nondestructive testing, and belongs to the field of nondestructive testing. The clamping mechanism comprises two groups of clamping blocks, the clamping blocks are fixedly connected with one end of a movable rod, the other end of the movable rod is arranged in a hollow rotating column in a sliding mode, and a telescopic assembly is arranged on the hollow rotating column; the hollow rotating column is rotatably arranged on a fixed plate, and the fixed plate is fixed on a movable plate which is arranged in a sliding manner; the fixed plate is also provided with a driving assembly, and the hollow rotating column is connected with the transmission assembly. The telescopic assembly can drive the clamping block to horizontally displace, so that workpieces with different lengths can be clamped; in addition, the hollow rotary columns are connected with the threaded sleeves through the rotating assemblies, the threaded sleeves are in threaded connection with the first screw rods, and therefore the workpieces between the two groups of hollow rotary columns can be driven to rotate and intermittently and linearly move through the driving assemblies, and therefore comprehensive nondestructive testing of the workpieces is facilitated.
Description
Technical Field
The invention relates to the field of nondestructive testing, in particular to a clamping mechanism for nondestructive testing.
Background
When nondestructive testing is performed on workpieces such as metal plates or metal pipes by using nondestructive testing equipment, the workpieces are often required to be clamped and fixed by a clamping mechanism, so that the stability and accuracy of the nondestructive testing are facilitated.
However, the clamping mechanism used in the conventional nondestructive testing can only clamp the workpiece, and because the clamped and fixed workpiece cannot be turned over and the workpiece is not conveniently driven to perform horizontal linear motion, the workpiece to be tested is clamped and fixed by using the conventional clamping mechanism, and comprehensive nondestructive testing of the workpiece is not conveniently performed.
Disclosure of Invention
The present invention is directed to a clamping mechanism for nondestructive testing to solve the problems of the background art.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a clamping mechanism for nondestructive testing comprises two groups of clamping blocks, wherein the clamping blocks are fixedly connected with one ends of movable rods, the other ends of the movable rods are arranged in a hollow rotating column in a sliding mode, and a telescopic assembly which is used for driving the movable rods to slide and has a self-locking function is arranged on the hollow rotating column; the hollow rotating column is rotatably arranged on a fixed plate, and the fixed plate is fixed on a movable plate which is arranged in a sliding manner; the fixed plate is also provided with a driving component for driving the hollow rotating column to rotate, and the hollow rotating column is connected with a transmission component for driving the movable plate to perform intermittent linear motion on a horizontal plane; the rotation of the hollow rotary column and the intermittent linear motion of the movable plate are synchronously performed.
According to a preferred scheme provided by the embodiment of the invention, a sliding block is fixed at the bottom of the movable plate, the sliding block is arranged on the base in a sliding manner, a through hole is further formed in the sliding block, a first screw rod penetrates through the through hole and is fixed between two groups of mounting plates, and the mounting plates are fixed on the base; the first screw rod is in threaded connection with a threaded sleeve, the threaded sleeve is fixedly connected with an inner ring of a second bearing, and an outer ring of the second bearing is fixedly connected with a sliding block; the threaded sleeve is further connected with one group of hollow rotating columns through a transmission assembly, and the transmission assembly intermittently drives the threaded sleeve to rotate.
According to another preferable scheme provided by the embodiment of the invention, the transmission assembly comprises a driven wheel and an incomplete gear, the driven wheel is fixed on the threaded sleeve, and the incomplete gear is fixed on one group of hollow rotating columns; the driven wheel is also in transmission connection with the driving wheel through a transmission part, the driving wheel is fixed on a transmission rotating shaft, and the transmission rotating shaft is rotatably arranged on one group of fixing plates; the transmission rotating shaft is fixedly connected with a first driven gear, and the first driven gear is intermittently meshed with the incomplete gear.
According to another preferred scheme provided by the embodiment of the invention, the base is provided with a sliding groove matched with the sliding block, the bottom of the sliding block is rotatably provided with a plurality of groups of rollers, and the rollers are in rolling fit with the sliding groove.
In another preferred embodiment of the present invention, the driving assembly includes a second driven gear fixed to one of the hollow rotating columns, the second driven gear is engaged with the driving gear, the driving gear is connected to a first motor for driving the driving gear to rotate, and the first motor is mounted on one of the fixing plates.
According to another preferable scheme provided by the embodiment of the invention, an elastic pad is arranged on one side of the clamping block, which is far away from the hollow rotating column.
In another preferred scheme provided by the embodiment of the present invention, the telescopic assembly includes a second screw rod rotatably disposed in the hollow rotary column, the second screw rod is connected to a second motor, and the second motor is mounted on the hollow rotary column; the movable rod is provided with a threaded hole matched with the second screw rod, and the threaded hole is in threaded fit with the second screw rod; the hollow rotating column is internally and fixedly provided with a guide rod, one end of the movable rod is fixedly provided with a guide block, and the guide block is in sliding fit with the guide rod.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following technical effects:
according to the embodiment of the invention, the clamping block is connected with the rotatable hollow rotary column through the movable rod, the hollow rotary column is connected with the threaded sleeve on the sliding block through the rotating assembly with the incomplete gear, the first driven gear, the driving wheel and the driven wheel, the threaded sleeve is in threaded connection with the fixed first screw rod, and the hollow rotary column can be simultaneously driven to rotate and the movable plate can be driven to perform intermittent linear motion through the driving assembly, so that a workpiece between two groups of hollow rotary columns can be driven to simultaneously rotate and perform intermittent linear motion, and comprehensive nondestructive detection on the workpiece can be conveniently performed.
Drawings
Fig. 1 is a schematic structural view of a clamping mechanism for nondestructive testing provided in embodiment 1.
Fig. 2 is a perspective view of the transmission assembly and the driving assembly provided in embodiment 1.
Fig. 3 is a schematic structural diagram of a telescopic assembly provided in embodiment 2.
In the figure: 1-base, 2-movable plate, 3-chute, 4-slide block, 5-fixed plate, 6-hollow rotary column, 7-first bearing, 8-movable rod, 9-clamping block, 10-elastic pad, 11-first screw rod, 12-mounting plate, 13-thread sleeve, 14-through hole, 15-second bearing, 16-roller, 17-driven wheel, 18-driving wheel, 19-transmission piece, 20-transmission rotating shaft, 21-first driven gear, 22-incomplete gear, 23-second driven gear, 24-driving gear, 25-first motor, 26-second motor, 27-second screw rod, 28-threaded hole, 29-guide rod and 30-guide block.
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 clamping mechanism for nondestructive testing, which includes two sets of symmetrically arranged clamping blocks 9 and two sets of symmetrically arranged hollow rotating columns 6, wherein the clamping blocks 9 are fixedly connected with one ends of movable rods 8, the other ends of the movable rods 8 are slidably arranged in the hollow rotating columns 6, one side of the clamping blocks 9, which is far away from the hollow rotating columns 6, is provided with elastic pads 10, and the elastic pads 10 are made of rubber; the hollow rotating column 6 is provided with a telescopic component which is used for driving the movable rod 8 to slide and has a self-locking function; the movable rod 8 can be driven to slide through the telescopic assembly, so that the distance between the two groups of clamping blocks 9 can be adjusted, and workpieces with different lengths can be clamped and fixed conveniently.
Further, the hollow rotary column 6 is rotatably mounted on two groups of fixed plates 5 through a first bearing 7, and the fixed plates 5 are fixed on the movable plate 2 which is slidably arranged; the fixed plate 5 is also provided with a driving component for driving the hollow rotating column 6 to rotate, and the hollow rotating column 6 is connected with a transmission component for driving the movable plate 2 to perform intermittent linear motion on a horizontal plane; the rotation of the hollow rotary column 6 and the intermittent linear motion of the movable plate 2 are performed in synchronization.
Specifically, a sliding block 4 is fixed at the bottom of the movable plate 2, the sliding block 4 is slidably arranged on the base 1, a through hole 14 is further formed in the sliding block 4, a first screw 11 penetrates through the through hole 14, the first screw 11 is fixed between two sets of mounting plates 12, and the mounting plates 12 are fixed on the base 1; wherein, base 1 on be equipped with slider 4 assorted spout 3, the bottom of slider 4 is rotated and is installed a plurality of groups gyro wheel 16, gyro wheel 16 and spout 3 carry out the roll cooperation to reduce the friction between slider 4 and the spout 3, thereby be convenient for the horizontal linear motion of slider 4 and fly leaf 2.
In addition, a threaded sleeve 13 is connected to the first screw rod 11 in a threaded manner, the threaded sleeve 13 is fixedly connected with an inner ring of a second bearing 15, and an outer ring of the second bearing 15 is fixedly connected with the sliding block 4; the threaded sleeve 13 is also connected with one group of hollow rotary columns 6 through a transmission assembly, and the transmission assembly intermittently drives the threaded sleeve 13 to rotate.
Specifically, the transmission assembly comprises a driven wheel 17 and an incomplete gear 22, the driven wheel 17 is fixedly sleeved on the threaded sleeve 13, and the incomplete gear 22 is fixedly sleeved on one group of hollow rotating columns 6; the driven wheel 17 is also in transmission connection with a driving wheel 18 through a transmission piece 19, the driving wheel 18 is fixed on a transmission rotating shaft 20, and the transmission rotating shaft 20 is rotatably installed on one group of fixing plates 5; the transmission rotating shaft 20 is also fixedly connected with a first driven gear 21, and the first driven gear 21 is intermittently meshed with the incomplete gear 22.
In addition, the driving assembly comprises a second driven gear 23, the second driven gear 23 is fixedly sleeved on one group of hollow rotary columns 6, the second driven gear 23 is meshed with a driving gear 24, the driving gear 24 is connected with a first motor 25 for driving the driving gear 24 to rotate, and the first motor 25 is installed on one group of fixing plates 5.
The first motor 25 is a forward and reverse rotation motor, the transmission member 19 is a belt, and the driven pulley 17 and the driving pulley 18 are belt pulleys.
As mentioned above, in the clamping mechanism provided in this embodiment, when in use, a workpiece to be detected is placed between the two sets of clamping blocks 9, and the two sets of clamping blocks 9 are driven by the telescopic assembly to clamp and fix the workpiece; then, the first motor 25 is started to drive the driving gear 24 to rotate, the driving gear 24 can drive the second driven gear 23 to rotate, the second driven gear 23 can drive the hollow rotary column 6 to rotate, and the hollow rotary column 6 can drive the workpiece to rotate by rotating, so that nondestructive detection can be conveniently carried out on each surface of the workpiece; meanwhile, the rotation of the hollow rotary column 6 can also drive the incomplete gear 22 to rotate, the rotation of the incomplete gear 22 can intermittently drive the first driven gear 21 to rotate, the intermittent rotation of the first driven gear 21 can drive the transmission rotating shaft 20 and the driving wheel 18 to intermittently rotate, the intermittent rotation of the driving wheel 18 can drive the driven wheel 17 to intermittently rotate, the intermittent rotation of the driven wheel 17 can drive the threaded sleeve 13 to intermittently rotate, because the first screw 11 is fixed, and the threaded sleeve 13 is rotatably arranged on the sliding block 4, the intermittent rotation of the threaded sleeve 13 can drive the sliding block 4 and the movable plate 2 to intermittently linearly move on the horizontal plane, so that the workpiece can be driven to intermittently linearly move on the horizontal plane, and the workpiece can be comprehensively and nondestructively detected.
Example 2
Referring to fig. 3, the embodiment provides a specific structure of a telescopic assembly based on embodiment 1, specifically, the telescopic assembly includes a second screw 27 rotatably installed in the hollow rotary column 6, the second screw 27 is fixedly connected with a motor shaft of a second motor 26, and the second motor 26 is installed on the hollow rotary column 6; the movable rod 8 is provided with a threaded hole 28 matched with the second screw 27, and the threaded hole 28 is in threaded fit with the second screw 27; a guide rod 29 is further fixed in the hollow rotating column 6, a guide block 30 is fixed at one end of the movable rod 8, and the guide block 30 is in sliding fit with the guide rod 29. The second screw 27 can be driven to rotate by starting the second motor 26, and the rotation of the second screw 27 can drive the movable rod 8 to slide in the hollow rotary column 6, so that the clamping block 9 can be driven to horizontally displace, and a workpiece can be clamped conveniently.
In summary, in the embodiment of the present invention, the clamping block 9 is connected to the rotatable hollow rotary column 6 through the movable rod 8, the hollow rotary column 6 is connected to the threaded sleeve 13 on the sliding block 4 through the rotating assembly with the incomplete gear 22, the first driven gear 21, the driving wheel 18 and the driven wheel 17, and the threaded sleeve 13 is in threaded connection with the fixed first screw 11, so that the hollow rotary column 6 can be simultaneously driven to rotate and the movable plate 2 can be driven to perform intermittent linear motion through the driving assembly, and therefore, the workpiece between the two sets of hollow rotary columns 6 can be driven to simultaneously rotate and intermittently perform linear motion, so as to perform comprehensive nondestructive detection on the workpiece.
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 (5)
1. A clamping mechanism for nondestructive testing comprises two groups of clamping blocks (9), wherein the clamping blocks (9) are fixedly connected with one ends of movable rods (8), and the clamping mechanism is characterized in that the other ends of the movable rods (8) are slidably arranged in a hollow rotating column (6), and a telescopic assembly which is used for driving the movable rods (8) to slide and has a self-locking function is arranged on the hollow rotating column (6); the hollow rotating column (6) is rotatably arranged on a fixed plate (5), and the fixed plate (5) is fixed on a movable plate (2) which is arranged in a sliding manner; the fixed plate (5) is also provided with a driving component for driving the hollow rotating column (6) to rotate, and the hollow rotating column (6) is connected with a transmission component for driving the movable plate (2) to perform intermittent linear motion on a horizontal plane; the rotation of the hollow rotating column (6) and the intermittent linear motion of the movable plate (2) are synchronously carried out;
a sliding block (4) is fixed at the bottom of the movable plate (2), the sliding block (4) is arranged on the base (1) in a sliding mode, a through hole (14) is further formed in the sliding block (4), a first screw rod (11) penetrates through the through hole (14), the first screw rod (11) is fixed between the two sets of mounting plates (12), and the mounting plates (12) are fixed on the base (1); a threaded sleeve (13) is connected to the first screw (11) in a threaded manner, the threaded sleeve (13) is fixedly connected with an inner ring of a second bearing (15), and an outer ring of the second bearing (15) is fixedly connected with a sliding block (4); the threaded sleeve (13) is also connected with one group of hollow rotating columns (6) through a transmission assembly, and the transmission assembly intermittently drives the threaded sleeve (13) to rotate;
the transmission assembly comprises a driven wheel (17) and an incomplete gear (22), the driven wheel (17) is fixed on the threaded sleeve (13), and the incomplete gear (22) is fixed on one group of hollow rotating columns (6); the driven wheel (17) is also in transmission connection with the driving wheel (18) through a transmission piece (19), the driving wheel (18) is fixed on a transmission rotating shaft (20), and the transmission rotating shaft (20) is rotationally arranged on one group of fixing plates (5); the transmission rotating shaft (20) is also fixedly connected with a first driven gear (21), and the first driven gear (21) is intermittently meshed with the incomplete gear (22).
2. The clamping mechanism for nondestructive testing according to claim 1, wherein the base (1) is provided with a sliding groove (3) matched with the sliding block (4), the bottom of the sliding block (4) is rotatably provided with a plurality of groups of rollers (16), and the rollers (16) are in rolling fit with the sliding groove (3).
3. The clamping mechanism for nondestructive testing according to claim 1, wherein the driving assembly comprises a second driven gear (23), the second driven gear (23) is fixed on one of the sets of hollow rotary columns (6), the second driven gear (23) is engaged with a driving gear (24), the driving gear (24) is connected with a first motor (25) for driving the driving gear (24) to rotate, and the first motor (25) is mounted on one of the sets of fixing plates (5).
4. The clamping mechanism for nondestructive testing according to claim 1, wherein the side of the clamping block (9) away from the hollow rotary column (6) is provided with an elastic pad (10).
5. The clamping mechanism for nondestructive testing according to claim 1, wherein said telescopic assembly comprises a second screw (27) rotatably disposed within the hollow rotary column (6), said second screw (27) being connected to a second motor (26), said second motor (26) being mounted on the hollow rotary column (6); the movable rod (8) is provided with a threaded hole (28) matched with the second screw rod (27), and the threaded hole (28) is in threaded fit with the second screw rod (27); the hollow rotating column (6) is also internally fixed with a guide rod (29), one end of the movable rod (8) is fixed with a guide block (30), and the guide block (30) is in sliding fit with the guide rod (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803965.7A CN110653733B (en) | 2019-08-28 | 2019-08-28 | Clamping mechanism for nondestructive testing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803965.7A CN110653733B (en) | 2019-08-28 | 2019-08-28 | Clamping mechanism for nondestructive testing |
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| CN110653733A CN110653733A (en) | 2020-01-07 |
| CN110653733B true CN110653733B (en) | 2021-05-04 |
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| CN201910803965.7A Active CN110653733B (en) | 2019-08-28 | 2019-08-28 | Clamping mechanism for nondestructive testing |
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| CN111590212A (en) * | 2020-05-11 | 2020-08-28 | 浙江摩多巴克斯科技股份有限公司 | High-speed high-precision multi-axis linkage laser cutting machine with free circular cutting function |
| CN112847175B (en) * | 2020-12-08 | 2023-08-01 | 东莞市明骏智能科技有限公司 | Cylinder clamp convenient for fine adjustment of spacing |
| CN112847191A (en) * | 2020-12-31 | 2021-05-28 | 深圳市康铨机电有限公司 | Clamp for machining mold insert |
| CN112917533B (en) * | 2021-03-02 | 2022-08-16 | 黄山市黟县金久工贸有限公司 | Pet house makeup deburring equipment |
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| FR2890746A1 (en) * | 2005-09-15 | 2007-03-16 | Univ Lille Sciences Tech | IN SITU TRACTION DEVICE FOR APPARATUSING AN ANALYTICAL MICROSCOPY DEVICE. |
| US8767912B1 (en) * | 2013-04-09 | 2014-07-01 | King Abdulaziz University | System for inspection and imaging of insulated pipes and vessels using backscattered radiation and X-ray fluorescence |
| CN105806945A (en) * | 2016-03-16 | 2016-07-27 | 温岭市锦鹏日用品有限公司 | Intelligent detection device for shaft part and using method of intelligent detection device |
| CN105773477A (en) * | 2016-03-16 | 2016-07-20 | 方星 | Shaft part detection device stable in operation and application method thereof |
| CN206038571U (en) * | 2016-09-27 | 2017-03-22 | 上海伟伦机械检测技术有限公司 | Industry CT material analysis device |
| CN206417565U (en) * | 2017-01-03 | 2017-08-18 | 天津市同鑫泰钢管制造有限公司 | Pipes detection device |
| CN206420794U (en) * | 2017-01-21 | 2017-08-18 | 温州宏泰无损检测有限公司 | Pipeline weld joint nondestructive inspection system |
| CN206671310U (en) * | 2017-05-04 | 2017-11-24 | 淮阴师范学院 | A kind of high circular arc workses the cannot-harm-detection device of precision |
| CN107449791A (en) * | 2017-09-12 | 2017-12-08 | 山东大学 | A kind of the cannot-harm-detection device and its method of carbon fibre composite wire plug |
| CN208140675U (en) * | 2018-05-22 | 2018-11-23 | 吴玉磊 | A kind of pipeline-weld non-destructive testing device |
| CN208140610U (en) * | 2018-05-23 | 2018-11-23 | 陈婷 | A kind of pipeline radiation protection non-destructive testing device |
| CN208795593U (en) * | 2018-08-20 | 2019-04-26 | 吉林省光超无损检测有限公司 | A kind of non-destructive detecting device |
| CN109331943B (en) * | 2018-11-28 | 2020-08-04 | 安徽金马药业有限公司 | Coarse crushing device for processing Chinese herbal medicines |
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Address after: 201611 Building 2, No. 185, chexin Road, Chedun Town, Songjiang District, Shanghai Patentee after: Shanghai feneng Automation Technology Co.,Ltd. Address before: 201600 Chedun Town Chexin Highway 185, Songjiang District, Shanghai Patentee before: SHANGHAI FINERN AUTOMATION EQUIPMENT CO.,LTD. |
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