CN210833462U - Welding leg measuring gauge - Google Patents
Welding leg measuring gauge Download PDFInfo
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- CN210833462U CN210833462U CN201921743303.7U CN201921743303U CN210833462U CN 210833462 U CN210833462 U CN 210833462U CN 201921743303 U CN201921743303 U CN 201921743303U CN 210833462 U CN210833462 U CN 210833462U
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Abstract
The utility model relates to the technical field of welding, which discloses a welding leg gauge, a rectangular detection sample plate, wherein four corners of the rectangular detection sample plate are respectively provided with notches with different sizes for detecting the shape and the size of a welding leg, and the shape and the size of each notch are matched with the theoretical shape and the size of the welding leg to be detected; and the notch part of the rectangular detection sample plate is provided with an error entity comparator which is used for reflecting the actual shape and size of the welding leg and comparing with the theoretical shape and size. The utility model provides high weld leg size measurement and shape measurement's comprehensiveness and convenience to be favorable to obtaining the data of surveying through scanning measuring equipment's scanning, with the accurate repair welding and the correction of convenient automatic repair welding equipment.
Description
Technical Field
The utility model relates to the field of welding technique, concretely relates to leg gauge.
Background
In the industries of ship manufacturing, steel structure manufacturing and the like, the size of a fillet weld leg is strictly required, the welding material is wasted due to the fact that the fillet weld leg is too large, the working hour investment is too much, the self weight of a product is increased, and the structural strength is reduced due to the fact that the fillet weld leg is too small. In six links of human, machine, material, method, ring and measurement of quality control, the measurement can feed back the manufacturing quality in real time and has a guiding function on the manufacturing process. In the industries of ship manufacturing, steel structure manufacturing and the like, manual welding exists in a large quantity, and in the actual welding process, the size of a welding leg of a fillet weld is not easy to control and needs to be measured, welded or polished continuously.
In the prior art, the measurement of the fillet dimension is generally performed by using a fillet gauge with a graduated scale as shown in fig. 4, and three methods (a), (b) and (c) in the figure are respectively used for measuring the dimension of the fillet in two directions and the total height dimension in an oblique direction during the measurement. The problems with this measurement method are: firstly, the measurement is complicated, and the measurement efficiency is low; secondly, the error of the concave-convex shape of the welding seam surface cannot be measured, and the real error of the actual welding seam and the theoretical welding seam cannot be completely reflected.
With the improvement of the requirement of the weld joint design precision and the development of the computer technology and the automatic repair welding technology, the size error and the shape error of the weld joint need to be simultaneously and accurately measured on occasions with higher requirements on the shape and the size of the weld joint, so that the finite element technology is utilized to accurately analyze and evaluate the strength of the weld joint; or the error is input into a computer of the automatic welding repair equipment when needed, so as to realize efficient and automatic welding repair. Accordingly, there is a need for a fillet gauge with more convenient measurement, which can reflect the size error and shape error of the weld in real time and conveniently acquire the error data through scanning of a scanning measuring device.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a leg gauge aims at improving leg size measurement and shape measurement's comprehensiveness and convenience to be favorable to obtaining the data of surveying through scanning measuring equipment's scanning, with the accurate repair welding and the correction of convenient automatic repair welding equipment. The specific technical scheme is as follows:
a fillet gauge comprises a rectangular detection sample plate, wherein notches with different sizes are respectively arranged at four corners of the rectangular detection sample plate and used for detecting the shape and the size of a fillet, and the shape and the size of each notch are matched with the theoretical shape and the size of the fillet to be detected; and the notch part of the rectangular detection sample plate is provided with an error entity comparator which is used for reflecting the actual shape and size of the welding leg and comparing with the theoretical shape and size.
As the utility model discloses a preferred scheme of well error entity comparator, error entity comparator is including setting up the rectangle detects the model the snakelike ruler, the setting of breach portion position are in just abutting on the rectangle detects the model the keeping away from of snakelike ruler the free deformation fluid bag of breach portion border position lie in on the rectangle detects the model the both ends of breach portion are provided with and are used for blocking snakelike ruler's outer baffle, still be provided with on the rectangle detects the model and be used for pressing the elastic response button of free deformation fluid bag.
In the above technical solution, the notch of the rectangular detection template is made to fit the theoretical shape and size of the fillet to be detected. The adaptation includes the following two cases:
the first case is that the shape and size of the notch portion are exactly the same as the theoretical design values of the fillet. In this case, it is most suitable to measure the solder fillet whose solid shape is completely smaller than the theoretical design value; during measurement, two right-angle sides of the corner of the rectangular detection sample plate lean against two welding plates of a weldment respectively, then the elastic recovery button is pressed to extrude the free deformation fluid bag, the free deformation fluid bag deforms after being extruded, and the snake-shaped ruler is pushed to approach the welding feet. The elastic return button is then released, allowing the freely deformable fluid bag to resume its original shape and disengage the serpentine ruler. Due to the flexibility of the snake-shaped ruler and the self-maintaining performance of the deformed shape, the outer side part of the snake-shaped ruler can be seen to completely copy the solid shape of the surface of the welding leg after the welding leg gauge is taken down, and the part of the outer side track line of the snake-shaped ruler exposed out of the notch part on the rectangular detection template is the actual error of the snake-shaped ruler. Moreover, the rectangular detection sample plate is taken to a measuring machine with more than two dimensions, so that the scanning data of the welding seam error can be obtained conveniently. Therefore, the strength of the welding seam can be conveniently and accurately analyzed and evaluated by using a finite element technology, and automatic repair welding correction of the welding seam can be carried out according to the obtained scanning data of the welding seam.
The second case is that the shape and size of the notch part are amplified by proper equal distance according to the theoretical design value of the welding foot, thus not only the welding foot whose entity shape is completely less than the theoretical design value can be measured, but also the welding foot whose entity shape is partially or completely greater than the theoretical design value can be measured, the measuring method is the same as the first case, but a reference value needs to be subtracted from the measured error data. For example, when the radius of the notch arc portion is 5mm larger than the arc size of the fillet, a reference value of 5mm needs to be subtracted from the notch arc portion after the measurement.
Above-mentioned leg gauge, because the breach position that detects the model at the rectangle is provided with snakelike chi, can lean on the surface at the leg completely with flexible snakelike chi through the extrusion free deformation fluid bag during the measurement, thereby the entity shape on leg surface has been duplicated, it compares with the reference shape that rectangle detected model breach position, just can audio-visual dimensional error and the shape error who obtains the leg surface, and the leg gauge of this kind of unique structure can be comparatively convenient take the multidimensional detector on detect, the digital processing of leg error has been made things convenient for greatly, it is big to be particularly suitable for weldment size, the welding seam is in the inconvenient direct scan occasion of hidden department measurement.
As a preferred scheme, the utility model discloses a leg gage still is including setting up the interior baffle at the both ends of breach portion, snakelike chi is located the part outside breach portion is arranged in outer baffle with in the cell body that forms between the interior baffle.
As a further improvement, the utility model discloses a leg gage which is located four breach portions snakelike chi links into an organic whole in proper order to form annular snakelike chi on the whole.
Preferably, the rectangle detection sample plate is provided with four outer baffles and four inner baffles, the four outer baffles and the four inner baffles are respectively arranged at four edges of the rectangle detection sample plate, a groove body is formed between the outer baffles and the inner baffles which are positioned at the same edge of the rectangle detection sample plate, and the rest parts of the annular snake-shaped ruler are positioned in the groove body except for the part positioned at the gap part.
Above-mentioned snakelike chi sets up to whole loop configuration, has simplified the leg gauge structure, and snakelike chi of each oral area links into an organic whole in proper order and can realize mutual compensation and relief that snakelike chi warp when measuring, and the setting of annular snakelike chi in the cell body, its good reliability.
Preferably, the rectangular detection sample plate is provided with cross ribs connected with the four inner baffles, the cross ribs are connected with the four inner baffles to form four independent installation areas of the free-deformation fluid bag, and the free-deformation fluid bag is arranged in each installation area.
Preferably, the rectangular detection sample plate is a double-layer rectangular detection sample plate, and the outer baffle, the inner baffle and the cross rib are clamped between the double-layer rectangular detection sample plates.
The cross muscle of four interior baffles is connected through setting up to the aforesaid, and four independent free deformation fluid bags hide the inside between double-deck rectangle detection model completely, have protected free deformation fluid bag on the one hand, and on the other hand makes the leg gage keep good outward appearance.
Preferably, the rectangular detection sample plate is provided with a button hole, the elastic return button comprises an elastic sheet and a pressing button head connected to one end of the elastic sheet, the pressing button head is installed in the button hole, the head of the pressing button head is aligned with the free-deformation fluid bag, and the other end of the elastic sheet is fixed on the rectangular detection sample plate.
The elastic return button adopts a combined connection structure of the extrusion button head and the elastic sheet, so that the function of deforming the freely-deformed fluid bag when pressed and recovering the original shape of the freely-deformed fluid bag when the press is released is realized, and the reliability of measurement is improved.
Preferably, the head of the pressing button head is further connected with an expansion pressing disc for increasing the pressing area.
The head through the extrusion button head sets up the extension extrusion dish, can increase the deflection of free deformation fluid bag when measuring to be favorable to snakelike chi and the abundant contact on leg surface, thereby improve the precision that snakelike chi duplicated leg surface size and shape.
The utility model discloses in, set up the flexure strip mounting hole on the extrusion button head, the one end of flexure strip peg graft in the flexure strip mounting hole.
Preferably, two sides of the free-form fluid bag, which are in contact with the cross ribs, are fixedly connected to the cross ribs.
Preferably, the fixed connection is an adhesive bond.
Preferably, the connection of the outer baffle, the inner baffle, the cross rib and the rectangular detection sample plate is welding or gluing.
Preferably, the freely deformable fluid bag is a freely deformable liquid bag or a freely deformable gas bag.
The utility model discloses in, the fluid bag of free deformation is in including the bag body and setting the internal fluid of bag.
In the present invention, the fluid is liquid or gas.
The utility model has the advantages that:
first, the utility model discloses a leg gauge, because the breach position that detects the model at the rectangle is provided with snakelike chi, can lean on the snakelike chi of flexibility completely flat on the surface of leg through extrusion free deformation fluid bag during the measurement, thereby the entity shape on leg surface has been duplicated, it compares with the reference shape that the rectangle detected model breach position, just can audio-visually obtain the dimensional error and the shape error on leg surface, and the leg gauge of this kind of unique structure can be comparatively convenient take on the multidimension detector and detect, the digital processing of leg error has been made things convenient for greatly, it is big to be particularly suitable for weldment size, the welding seam is in the inconvenient direct scan measuring occasion of hidden department.
Second, the utility model discloses a leg gauge, snakelike chi set up to whole loop configuration, have simplified leg gauge structure, and the snakelike chi of each oral area connects gradually an organic whole and can realize mutual compensation and relief that snakelike chi warp when measuring, and the setting of annular snakelike chi is in the cell body, its good reliability.
Third, the utility model discloses a fillet gauge, through the cross muscle of setting up four interior baffles of connection, four independent free deformation fluid bags hide the inside between double-deck rectangle detection model completely, have protected free deformation fluid bag on the one hand, and on the other hand makes the fillet gauge keep good outward appearance.
Fourth, the utility model discloses a leg gauge, the built-up connection structure of extrusion button head and flexure strip is adopted to the elastic response button, has realized when pressing that the free deformation fluid bag warp, loosen when pressing that the free deformation fluid bag resumes former shape's function to measured reliability has been improved.
Fifth, the utility model discloses a leg gauge sets up the extension extrusion dish through the head at the extrusion button head, can strengthen the deflection of free deformation fluid bag when measuring to be favorable to the abundant contact on snakelike chi and leg surface, thereby improve the precision that snakelike chi duplicated leg surface size and shape.
Drawings
Fig. 1 is a schematic structural view of a fillet gauge of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic illustration of the application of the fillet gauge of FIG. 1 to fillet weld measurement;
FIG. 4 is a prior art fillet weld measurement taken by three measurement methods.
In the figure: 1. rectangle detects model, 2, bight, 3, breach, 4, error entity comparator, 5, snakelike chi, 6, free deformation fluid bag, 7, outer baffle, 8, elastic recovery button, 9, interior baffle, 10, cell body, 11, cross muscle, 12, flexure strip, 13, extrusion button head, 14, double-deck rectangle detects the model, 15, extension extrusion dish, 16, leg, 17, weldment.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 4 show an embodiment of a fillet gauge according to the present invention, which includes a rectangular detection sample plate 1, four corners 2 of the rectangular detection sample plate 1 are respectively provided with notches 3 of different sizes for detecting the shape and size of a fillet 16, and the shape and size of the notches 3 are configured to match the theoretical shape and size of the fillet 16 to be detected; wherein, the notch part of the rectangular detection sample plate 1 is provided with an error entity comparator 4 which is used for reflecting the actual shape and size of the welding foot 16 and comparing with the theoretical shape and size.
As a preferable configuration of the error entity comparator 4 in the present embodiment, the error entity comparator 4 includes a serpentine ruler 5 disposed at the position of the notch 3 of the rectangular detection template 1, and a freely deformable fluid bag 6 disposed on the rectangular detection template 1 and adjacent to the edge of the serpentine ruler 5 away from the notch 3, wherein outer baffles 7 for blocking the serpentine ruler 5 are disposed at two ends of the notch 3 on the rectangular detection template 1, and an elastic return button 8 for pressing the freely deformable fluid bag 6 is further disposed on the rectangular detection template 1.
In the above technical solution, the notch 3 of the rectangular detection template 1 is made to fit the theoretical shape and size of the solder fillet 16 to be detected. The adaptation includes the following two cases:
the first case is that the shape and size of the notch 3 portion is exactly the same as the theoretical design value of the fillet 16. In this case, it is most suitable to measure the solder fillet 16 whose solid shape is completely smaller than the theoretical design value; during measurement, two right-angle sides of the corner 2 of the rectangular detection sample plate 1 lean against two welding plates of a weldment 17 respectively, then the elastic return button 8 is pressed to extrude the free deformation fluid bag 6, the free deformation fluid bag 6 deforms after being extruded, and the snake-shaped ruler 5 is pushed to approach to the welding feet 16. The resilient return button 8 is then released, allowing the freely deformable fluid bag 6 to resume its original shape and disengage the serpentine ruler 5. Due to the flexibility and the self-maintaining property of the deformed shape of the serpentine ruler 5, the outer part of the serpentine ruler 5 can be seen to completely copy the solid shape of the surface of the welding leg after the welding leg gauge is removed, and the part of the outer side track line of the serpentine ruler 5 exposed out of the notch 2 on the rectangular detection sample plate 1 is the actual error of the serpentine ruler. Moreover, the rectangular detection sample plate 1 is taken to a measuring machine with more than two dimensions, so that the scanning data of the welding seam error can be obtained more conveniently. Therefore, the strength of the welding seam can be conveniently and accurately analyzed and evaluated by using a finite element technology, and automatic repair welding correction of the welding seam can be carried out according to the obtained scanning data of the welding seam.
The second case is that the shape and size of the notch 3 portion are appropriately enlarged at equal distances according to the theoretical design value of the fillet 16, so that it is possible to measure either the fillet 16 whose solid shape is completely smaller than the theoretical design value or the fillet 16 whose solid shape is partially or completely larger than the theoretical design value, in the same manner as in the first case, but the measured error data needs to be subtracted by a reference value. For example, when the radius of the arc portion of the notch 3 is 5mm larger than the arc size of the fillet 16, a reference value of 5mm needs to be subtracted from the arc portion of the notch 3 after the measurement.
Above-mentioned leg gauge, because 3 positions in the breach of rectangle detection model 1 are provided with snakelike chi 5, can lean on flexible snakelike chi 5 completely flat on the surface of leg 16 through extrusion free deformation fluid bag 6 during the measurement, thereby the entity shape on leg 16 surface has been duplicated, it compares with the benchmark shape at rectangle detection model 1 breach 3 positions, just can audio-visually obtain the dimensional error and the shape error on leg 16 surface, and the leg gauge of this kind of unique structure can be comparatively convenient take the multidimensional detector and detect, the digital processing of leg 16 error has been made things convenient for greatly, it is big to be particularly suitable for the weldment size, the welding seam is in the inconvenient direct scan measuring occasion of hidden department.
As a preferable scheme, the fillet gauge of this embodiment further includes inner baffles 9 disposed at two ends of the notch 3, and the portion of the serpentine ruler 5 located outside the notch 3 is disposed in a groove formed between the outer baffle 7 and the inner baffles 9.
As a further improvement, the serpentine ruler 5 of the fillet gauge of this embodiment located at the four notches 3 are connected in sequence to form a whole, and an annular serpentine ruler is formed as a whole.
Preferably, the rectangular detection sample plate 1 is provided with four outer baffles 7 and four inner baffles 9, the four outer baffles 7 and the four inner baffles 9 are respectively arranged on four sides of the rectangular detection sample plate 1, a groove body 10 is formed between the outer baffles 7 and the inner baffles 9 on the same side of the rectangular detection sample plate 1, and the rest parts of the annular snake-shaped ruler 5 are positioned in the groove body 10 except the part positioned in the notch 3.
Above-mentioned snakelike chi 5 sets up to whole loop configuration, has simplified the leg gauge structure, and snakelike chi of each oral area links into an organic whole in proper order and can realize mutual compensation and relief that snakelike chi 5 warp when measuring, and just snakelike chi 5 of annular sets up in the cell body, and its good reliability.
Preferably, the rectangular detection sample plate 1 is provided with cross ribs 11 connected with the four inner baffles 9, the cross ribs 11 are connected with the four inner baffles 9 to form four independent installation areas of the free-deformation fluid bag 6, and the free-deformation fluid bag 6 is arranged in each installation area.
Preferably, the rectangular detection template 1 is a double-layer rectangular detection template 14, and the outer baffle 7, the inner baffle 9 and the cross rib 11 are sandwiched between the double-layer rectangular detection template 14.
The four independent free deformation fluid bags 6 are completely hidden in the double-layer rectangular detection sample plate 14 through the cross ribs 11 for connecting the four inner baffles 9, so that the free deformation fluid bags 6 are protected on one hand, and the fillet gauge keeps good appearance on the other hand.
Preferably, a button hole is formed in the rectangular detection template 1, the elastic return button 8 comprises an elastic piece 12 and a pressing button head 13 connected to one end of the elastic piece 12, the pressing button head 13 is installed in the button hole, the head of the pressing button head is aligned with the free-deformation fluid bag 6, and the other end of the elastic piece 12 is fixed on the rectangular detection template 1.
The elastic return button 8 adopts a combined connection structure of the extrusion button head 13 and the elastic sheet 12, so that the functions of deforming the free-deformation fluid bag 6 when pressed and recovering the original shape of the free-deformation fluid bag 6 when the press is released are realized, and the reliability of measurement is improved.
Preferably, an extended pressing plate 15 for increasing a pressing area is further connected to a head portion of the pressing button head 13.
The expansion extrusion disc 15 is arranged at the head of the extrusion button head 13, so that the deformation of the freely-deformed fluid bag 6 can be increased during measurement, the full contact between the snake-shaped ruler 5 and the surface of the welding foot 16 is facilitated, and the precision of copying the surface size and the shape of the welding foot 16 by the snake-shaped ruler 5 is improved.
In this embodiment, an elastic sheet mounting hole is formed in the pressing button head 13, and one end of the elastic sheet 12 is inserted into the elastic sheet mounting hole.
Preferably, the two sides of the freely deformable fluid bag 6 in contact with the cross ribs 11 are fixedly connected to the cross ribs 11.
Preferably, the fixed connection is an adhesive bond.
Preferably, the connection of the outer baffle 7, the inner baffle 9, the cross rib 11 and the rectangular detection sample plate 1 is welding or gluing.
Preferably, the freely deformable fluid bag 6 is a freely deformable liquid bag or a freely deformable gas bag.
In this embodiment, the freely deformable fluid bag 6 includes a bag body and a fluid provided in the bag body.
In this embodiment, the fluid is a liquid or a gas.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A fillet gauge is characterized by comprising a rectangular detection sample plate, wherein notches with different sizes are respectively arranged at four corners of the rectangular detection sample plate and used for detecting the shape and the size of a fillet, and the shape and the size of each notch are matched with the theoretical shape and the size of the fillet to be detected; and the notch part of the rectangular detection sample plate is provided with an error entity comparator which is used for reflecting the actual shape and size of the welding leg and comparing with the theoretical shape and size.
2. The fillet gauge according to claim 1, wherein the error entity comparator comprises a serpentine ruler disposed at the position of the notch portion of the rectangular detection template, and a free-form fluid bag disposed on the rectangular detection template and adjacent to the serpentine ruler at a position away from the edge of the notch portion, wherein outer baffles for blocking the serpentine ruler are disposed at two ends of the notch portion on the rectangular detection template, and an elastic return button for pressing the free-form fluid bag is further disposed on the rectangular detection template.
3. The fillet gauge according to claim 2, further comprising inner stoppers provided at both ends of the notch portion, wherein a portion of the serpentine ruler located outside the notch portion is disposed in a groove formed between the outer stopper and the inner stopper.
4. The fillet gauge according to claim 3, wherein the serpentine rules located at the four notch portions are connected in sequence to form a whole, and form a ring-shaped serpentine rule as a whole.
5. The fillet gauge according to claim 4, wherein the rectangular detection sample plate is provided with four outer baffles and four inner baffles, the four outer baffles and the four inner baffles are respectively arranged on four sides of the rectangular detection sample plate, a groove is formed between the outer baffles and the inner baffles on the same side of the rectangular detection sample plate, and the rest parts of the annular snake-shaped ruler are positioned in the groove except for the part positioned in the notch.
6. The fillet gauge according to claim 5, wherein the rectangular detection template is provided with a cross rib for connecting the four inner baffles, and the cross rib is connected with the four inner baffles to form four independent installation areas for the free-deformation fluid bags, and the free-deformation fluid bags are respectively arranged in each installation area.
7. The fillet gauge according to claim 6, wherein the rectangular detection template is a double-layer rectangular detection template, and the outer baffle, the inner baffle and the cross rib are sandwiched between the double-layer rectangular detection templates.
8. The fillet gauge according to claim 7, wherein the rectangular test template has a button hole formed therein, the resilient return button comprises a resilient plate and a pressing button head connected to one end of the resilient plate, the pressing button head is mounted in the button hole and has a head portion aligned with the free-form fluid bag, and the other end of the resilient plate is fixed to the rectangular test template.
9. A fillet gauge according to claim 7, characterized in that said cross-bars are fixedly connected to the free-form fluid bag at the two sides in contact with said cross-bars.
10. A fillet gauge as in claim 2, wherein said free-form fluid pocket is a free-form fluid pocket or a free-form gas pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743303.7U CN210833462U (en) | 2019-10-17 | 2019-10-17 | Welding leg measuring gauge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743303.7U CN210833462U (en) | 2019-10-17 | 2019-10-17 | Welding leg measuring gauge |
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| CN210833462U true CN210833462U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672043A (en) * | 2019-10-17 | 2020-01-10 | 中船澄西船舶修造有限公司 | Welding leg measuring gauge |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672043A (en) * | 2019-10-17 | 2020-01-10 | 中船澄西船舶修造有限公司 | Welding leg measuring gauge |
| CN110672043B (en) * | 2019-10-17 | 2024-05-03 | 中船澄西船舶修造有限公司 | Welding leg gauge |
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