CN215064987U - Be used for drilling method to survey compressible universal magnetic base drilling equipment of residual stress - Google Patents
Be used for drilling method to survey compressible universal magnetic base drilling equipment of residual stress Download PDFInfo
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- CN215064987U CN215064987U CN202121377829.5U CN202121377829U CN215064987U CN 215064987 U CN215064987 U CN 215064987U CN 202121377829 U CN202121377829 U CN 202121377829U CN 215064987 U CN215064987 U CN 215064987U
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- drilling
- base
- upper portion
- residual stress
- universal joint
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- 238000005553 drilling Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 15
- 238000001514 detection method Methods 0.000 description 4
- 230000001066 destructive effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000009662 stress testing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009658 destructive testing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a compressible universal magnetic base drilling device for measuring residual stress by a drilling method, which mainly comprises a magnetic base, a fixed end universal joint and a screw rod; magnetic force seat upper portion is connected with the pressure-bearing pole, pressure-bearing pole upper portion is connected with the expansion end universal joint, stiff end universal joint upper portion is provided with the connecting rod, connecting rod upper portion is provided with the screw rod, the screw rod passes the base bottom plate, base bottom plate upper portion is provided with the base, be provided with adjusting screw on the base lateral wall, the inside fender ring sleeve that is provided with of base, keep off the inside axle sleeve that is provided with of ring sleeve, be provided with the regulation on the axle sleeve and keep off the ring, the inside drilling axle that is provided with of axle sleeve, drilling axle sub-unit connection has the drill bit, the connecting axle is connected with step motor. The utility model discloses operation process is simple and convenient, convenient to carry, and equipment compatibility is good, can stride the platform and use, has greatly improved the efficiency that residual stress was surveyed to the drilling method, has practiced thrift the cost.
Description
Technical Field
The utility model relates to a compressible universal magnetic base drilling equipment technical field of residual stress is surveyed to drilling method specifically is a compressible universal magnetic base drilling equipment for residual stress is surveyed to drilling method.
Background
The residual stress testing method adopted in the current engineering mainly has two modes of destructive detection and non-destructive detection.
Nondestructive testing is to measure the residual stress by an ultrasonic testing method by adopting a method which does not damage the surface integrity of a workpiece, and the destructive testing method is to measure by means of drilling, grooving and the like. However, in many cases, the residual stress test is mostly a welded structure, which is always exposed in an outdoor environment, and if precise electronic instruments such as an ultrasonic measuring instrument are used, on one hand, the loss of the equipment is large, the transportation cost is high, and certain risks exist, and on the other hand, the precision of the equipment is affected. Generally, these devices are widely used in a stable environment such as a laboratory, and are rarely used for outdoor environment measurement.
The method comprises the steps of conducting measurement outdoors, wherein the most used method is a drilling method, the testing process is that the surface to be measured of a test sample is clamped and fixed well in an upward mode, a flat and smooth area is ground on the surface of a workpiece through a grinding machine or coarse abrasive paper, after a test point is trimmed through fine abrasive paper, the center of a strain gauge with a line is pasted on the point to be measured through glue, the strain gauge is opened to be connected with the strain gauge, then the point is marked on the strain gauge, a hole is drilled through an electric drill, residual stress of a tiny area is released, and the result is measured and recorded according to the strain gauge. The advantage of the drilling method for testing the residual stress is that the damage to the integrity of the workpiece is minimum, and only a small hole of about 2mm needs to be formed on the testing surface. As is known, welding is a very important way of connecting structures, and measuring residual stress is only one way of evaluating the performance of joints, so it is most important to ensure the completeness of the structure, and it must not be considered. Of course, in an industrial structure, detection may be performed to different degrees according to the requirements of an enterprise on the flaw detection level.
The drilling method residual stress testing arrangement that sees in the existing market generally can only measure and place work piece and drill bit angle and can not adjust wantonly at the level, and is many when the test project, and the test point position is different, just needs frequent change device, has greatly reduced work efficiency, but also can drag the engineering progress slowly, and such residual stress drilling arrangement can't satisfy people's demand on the engineering.
Therefore, the design of a compressible universal magnetic seat drilling device for measuring residual stress by a drilling method becomes a problem which needs to be solved in urgent need.
SUMMERY OF THE UTILITY MODEL
A compressible universal magnetic base drilling device for measuring residual stress by a drilling method mainly comprises a magnetic base, a fixed end universal joint and a screw rod; the upper part of the magnetic base is connected with a pressure bearing rod, the upper part of the pressure bearing rod is connected with a movable end universal joint, a rotor is arranged in the fixed end universal joint, a rotating shaft is arranged on the rotor, a connecting rod is arranged at the upper part of the fixed end universal joint, the upper part of the screw rod is provided with a nut, the screw rod passes through the base bottom plate, the upper part of the base bottom plate is provided with a base, the side wall of the base is provided with an adjusting screw, a baffle ring sleeve is arranged in the base, a shaft sleeve is arranged in the baffle ring sleeve, an adjusting baffle ring is arranged on the shaft sleeve, a fastening screw is arranged on the side wall of the adjusting baffle ring, a drilling shaft is arranged in the shaft sleeve, the lower part of the drilling shaft is connected with a drill bit, the upper part of the drilling shaft is provided with a flat column stop block, the flat column stop block is fixed on the drilling shaft, the upper part of the flat column check block is provided with a connecting shaft, and the upper part of the connecting shaft is connected with a stepping motor.
Further, the base is a hexagonal prism cylinder, and adjusting screws are arranged at intervals of 120 degrees, and the number of the adjusting screws is 3.
Furthermore, a compression spring is arranged on the screw rod.
Further, the fixed end universal joint can rotate by 270 degrees in a plane by taking the rotor as a rotation center.
Further, the movable end universal joint can rotate by 270 degrees in a plane by taking the rotating shaft as a rotating center.
The utility model discloses the effect that reaches is: the device is placed above a test point on the surface of a workpiece, the punching position is roughly determined through the central position of the tail end of a drilling shaft, then the angle of a universal joint is adjusted, the distance of a compression spring is adjusted, the center of the tail end of the drilling shaft is completely aligned with the center of the test point, a magnetic seat switch is opened, the device is firmly adsorbed on the surface of the workpiece, the accuracy of a measuring result is ensured, a drill bit is installed by taking out the drilling shaft, drilling can be started, the magnetic seat and the universal joint position can be adjusted according to the difference of the positions of the test points, and universal punching of the magnetic seat is realized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a front view of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a partially enlarged sectional view of the present invention;
reference numbers in the figures: 1. a magnetic base; 2. a pressure-bearing rod; 3. a free end gimbal; 4, a rotor; 5. A fixed end universal joint; 6. a connecting rod; 7. a compression spring; 8. a base floor; 9. a nut; 10. a screw; 11. an adjusting screw; 12. a base; 13. a retainer ring sleeve; 14. fastening screws; 15. adjusting the baffle ring; 16. a shaft sleeve; 17. a flat column stop block; 18. a connecting shaft; 19. a stepping motor; 20. drilling a shaft; 21. a drill bit; 22. a rotating shaft.
Detailed Description
The preferred embodiments of the present invention will be described with reference to the accompanying drawings, and it is to be understood that the preferred embodiments described herein are merely for purposes of illustration and understanding, and are not intended to limit the invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: a compressible universal magnetic base drilling device for measuring residual stress by a drilling method mainly comprises a magnetic base 1, a fixed end universal joint 5 and a screw 10; the upper portion of the magnetic base 1 is connected with a pressure bearing rod 2, the upper portion of the pressure bearing rod 2 is connected with a movable end universal joint 3, a rotor 4 is arranged inside a fixed end universal joint 5, a rotating shaft 22 is arranged on the rotor 4, a connecting rod 6 is arranged on the upper portion of the fixed end universal joint 5, a compression spring 7 is arranged on a screw rod 10, a nut 9 is arranged on the upper portion of the screw rod 10, the screw rod 10 penetrates through a base bottom plate 8, a base 12 is arranged on the upper portion of the base bottom plate 8, the base 12 is in a hexagonal prism cylinder shape, an adjusting screw 11 is arranged on the side wall of the base 12, a retaining ring sleeve 13 is arranged inside the base 12, a shaft sleeve 16 is arranged inside the retaining ring sleeve 13, an adjusting retaining ring 15 is arranged on the shaft sleeve 16, a fastening screw 14 is arranged on the side wall of the adjusting retaining ring 15, a drilling shaft 20 is arranged inside the shaft sleeve 16, and the lower portion of the drilling shaft 20 is connected with a drill bit 21, the drilling shaft 20 upper portion is provided with flat post dog 17, flat post dog 17 is fixed on drilling shaft 20, flat post dog 17 upper portion is provided with connecting axle 18, connecting axle 18 upper portion is connected with step motor 19.
Further, the method comprises the following steps: the bearing rod 2 mainly bears all the weight of the device, the angle between the fixed end universal joint 5 and the movable end universal joint 3 is adjusted through the rotor 4 and the rotating shaft 22, the rotating shaft 22 and the movable end universal joint 3 are in interference fit and can also play a role of a stabilizing device, the position and the angle of the baffle ring sleeve 13 are adjusted through the adjusting screw 11, the height of the shaft sleeve 16 can be adjusted through the position of the adjusting baffle ring 15, and the contact position of the drill bit 21 is located above the test point.
The utility model discloses when using, at first take off axle sleeve 16 and drilling axle 20, then place the device in the examination point top of awaiting measuring, the adjusting device position makes magnetic force seat 1 be in can putting forth effort the position, open magnetic force seat 1 switch, make the device fix at the workpiece surface, the range estimation keeps off ring sleeve 13 center and test point center when same straight line, adjust and keep off ring 15 height, then adorn drill bit 21 on drilling axle 20 and place in axle sleeve 16, adjustment expansion end universal joint 3 and nut 9 make drill bit 21 pointed end and test point center align, link to each other connecting axle 18 and step motor 19 at last, can begin to drill.
Finally, it should be noted that: while the present invention has been described with reference to the foregoing examples, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A compressible universal magnetic base drilling device for measuring residual stress by a drilling method mainly comprises a magnetic base (1), a fixed end universal joint (5) and a screw (10); the magnetic force seat is characterized in that a bearing rod (2) is connected to the upper portion of the magnetic force seat (1), a movable end universal joint (3) is connected to the upper portion of the bearing rod (2), a rotor (4) is arranged inside the fixed end universal joint (5), a rotating shaft (22) is arranged on the rotor (4), a connecting rod (6) is arranged on the upper portion of the fixed end universal joint (5), a nut (9) is arranged on the upper portion of the screw rod (10), the screw rod (10) penetrates through a base bottom plate (8), a base (12) is arranged on the upper portion of the base bottom plate (8), an adjusting screw (11) is arranged on the side wall of the base (12), a retaining ring sleeve (13) is arranged inside the base (12), a shaft sleeve (16) is arranged inside the retaining ring sleeve (13), an adjusting retaining ring (15) is arranged on the shaft sleeve (16), and a fastening screw (14) is arranged on the side wall of the adjusting retaining ring (15), the drilling shaft (20) is arranged inside the shaft sleeve (16), a drill bit (21) is connected to the lower portion of the drilling shaft (20), a flat column stop block (17) is arranged on the drilling shaft (20), a connecting shaft (18) is arranged on the upper portion of the flat column stop block (17), and a stepping motor (19) is connected to the upper portion of the connecting shaft (18).
2. The compressible universal magnetic base drilling device for measuring residual stress by using the drilling method as claimed in claim 1, wherein: the base (12) is in a hexagonal prism cylinder shape, the adjusting screws (11) are arranged at intervals of 120 degrees, and the number of the adjusting screws is 3.
3. The compressible universal magnetic base drilling device for measuring residual stress by using the drilling method as claimed in claim 1, wherein: and a compression spring (7) is arranged on the screw rod (10).
4. The compressible universal magnetic base drilling device for measuring residual stress by using the drilling method as claimed in claim 1, wherein: the fixed end universal joint (5) can rotate by 270 degrees in a plane by taking the rotor (4) as a rotation center.
5. The compressible universal magnetic base drilling device for measuring residual stress by using the drilling method as claimed in claim 1, wherein: the movable end universal joint (3) can rotate in a plane of 270 degrees by taking the rotating shaft (22) as a rotating center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377829.5U CN215064987U (en) | 2021-06-21 | 2021-06-21 | Be used for drilling method to survey compressible universal magnetic base drilling equipment of residual stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377829.5U CN215064987U (en) | 2021-06-21 | 2021-06-21 | Be used for drilling method to survey compressible universal magnetic base drilling equipment of residual stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215064987U true CN215064987U (en) | 2021-12-07 |
Family
ID=79200872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121377829.5U Expired - Fee Related CN215064987U (en) | 2021-06-21 | 2021-06-21 | Be used for drilling method to survey compressible universal magnetic base drilling equipment of residual stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215064987U (en) |
-
2021
- 2021-06-21 CN CN202121377829.5U patent/CN215064987U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |