CN219737064U - Special fixture for testing tensile strength of welding nail test piece - Google Patents
Special fixture for testing tensile strength of welding nail test piece Download PDFInfo
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- CN219737064U CN219737064U CN202321191741.3U CN202321191741U CN219737064U CN 219737064 U CN219737064 U CN 219737064U CN 202321191741 U CN202321191741 U CN 202321191741U CN 219737064 U CN219737064 U CN 219737064U
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- 238000003466 welding Methods 0.000 title claims abstract description 65
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 4
- 241000587161 Gomphocarpus Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of welding nail tensile strength testing, in particular to a special fixture for welding nail test piece tensile strength testing, which comprises two fixing frames, wherein one side surface of the two opposite fixing frames is provided with connecting grooves, the connecting grooves on the right side are rotationally connected with a supporting rod through a bearing, the left side surface of the supporting rod is movably connected with a screw rod, one end of the screw rod penetrates through the right side connecting groove and extends to the inside of the supporting rod, the other end of the screw rod penetrates through the right side connecting groove and extends to the inside of the left side connecting groove, one side surface of the two opposite fixing frames is provided with clamping grooves, and welding nails are placed in the two fixing frames. This special fixture is used in test of welding nail test piece tensile strength drives the mount through the threaded connection between bracing piece and the screw thread and removes, adjusts the interval between the mount, and convenient centre gripping is carried out to the welding nail of equidimension, and under the effect through first spring and second spring, convenient welding nail is fixed, makes things convenient for the staff to operate.
Description
Technical Field
The utility model relates to the technical field of welding nail tensile strength testing, in particular to a special fixture for testing the tensile strength of a welding nail test piece.
Background
The welding nail is a kind of high strength rigidity connecting fastener, and is a short name of cylindrical head welding nail for arc stud welding, and has the head top surface with raised character to make the identifying mark for the manufacturer.
The Chinese patent publication No. CN217359331U discloses a tensile test clamp for measuring welding quality of cylindrical head welding nails, and the patent discloses a technical scheme that a nail head of the cylindrical head welding nails can be directly pulled down or held by a pressed nail head fixing clamp, so that convenient fixing is realized, and the problem that the existing clamp is inconvenient to assemble and disassemble and has low efficiency when the tensile test is required to be continuously carried out on various cylindrical head welding nails with different sizes is solved.
In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, but when the device is used, different welding nails are fixed by replacing the nail cap fixing clamp, but when the fixing clamp is absent, the welding nails with the size cannot be fixed, so that the welding nails are inconvenient to use by staff, and the special fixture for testing the tensile strength of the welding nail test piece is provided for solving the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the special fixture for testing the tensile strength of the welding nail test piece provided by the utility model has the advantage of convenience and quickness in fixing, and solves the problems that when the device is used, different welding nails are fixed by replacing the nail cap fixing clamp, but when the fixing clamp is missing, the welding nails with the size cannot be fixed, and the device is inconvenient for workers to use.
In order to achieve the purpose of convenient fixing, the utility model provides the following technical scheme: the special fixture for testing the tensile strength of the welding nail test piece comprises two fixing frames, wherein one side surface of each fixing frame opposite to the other side surface is provided with a connecting groove, and the connecting groove positioned on the right side is rotationally connected with a supporting rod through a bearing;
the left side face of the supporting rod is movably connected with a screw rod, one end of the screw rod penetrates through the right side connecting groove and extends to the inside of the left side connecting groove, clamping grooves are formed in one side face, opposite to the two fixing frames, of the screw rod, welding nails are placed in the two fixing frames, the bottom ends of the welding nails penetrate through the clamping grooves and extend to the bottoms of the fixing frames, and abdicating grooves are formed in the bottoms of the welding nails on one side face, opposite to the two fixing frames;
a fixing component is arranged between the two fixing frames and used for fixing the welding nails, and a supporting component is arranged between the two fixing frames and used for supporting the fixing frames.
According to the utility model, under the action of the fixing component, the welding nails are conveniently and fast fixed, so that the stability of the welding nails is improved, and under the action of the supporting component, the fixing frame is supported, so that the stability of the fixing frame is improved.
Further, the two fixing frames are U-shaped frames and are distributed relatively, a threaded hole is formed in the left side face of the supporting rod, the screw penetrates through and extends to the inside of the threaded hole and is in threaded connection with the threaded hole, and the screw is fixedly connected with the left connecting groove.
The beneficial effects of adopting the further scheme are as follows: through the threaded connection between bracing piece and the screw rod, convenient interval to between the mount is adjusted, makes things convenient for the staff to operate.
Further, fixed subassembly is including the first telescopic link of quantity for two, two first telescopic link is perpendicular to be fixed respectively on the inner wall of one side that two mounts are relative, two the equal fixedly connected with splint of one side that first telescopic link is relative, two the equal cover of peripheral wall of first telescopic link is equipped with respectively with mount and splint fixed connection's first spring, two the equal fixedly connected with rubber pad of one side that splint is relative, two the equal fixedly connected with second telescopic link of interior roof of mount, two the equal fixedly connected with clamp plate of second telescopic link bottom surface, two the equal cover of peripheral wall of second telescopic link respectively with mount and clamp plate fixed connection's second spring.
The beneficial effects of adopting the further scheme are as follows: under the effect of first spring and second spring, support clamp plate and splint, improve the stability of clamp plate and splint.
Further, two rubber pads are attached to the welding nails, and two pressing plates are attached to the welding nails.
The beneficial effects of adopting the further scheme are as follows: under the action of the rubber pad, the friction force between the clamping plate and the welding nails is improved, and the stability of the welding nails is improved.
Further, the inner bottom walls of the two fixing frames are provided with sliding grooves, the two sliding grooves are connected with sliding blocks in a sliding mode, and the two sliding blocks are fixedly connected with the two clamping plates respectively.
The beneficial effects of adopting the further scheme are as follows: through sliding connection between spout and the slider, support splint, improve splint removal's stability.
Further, first telescopic link and second telescopic link are by cover storehouse and motion pole constitution, and motion pole one end runs through and extends to the inside in cover storehouse, and the outside fixedly connected with of motion pole is located the inside limiting block in cover storehouse, and the through-hole with motion pole looks adaptation has been seted up to one side in cover storehouse, through being provided with limiting block, has prevented that the motion pole breaks away from with the cover storehouse in the motion process.
The beneficial effects of adopting the further scheme are as follows: under the effect of first telescopic link and second telescopic link, support first spring and second spring, avoid first spring and second spring to produce deformation as far as possible, influence fixed effect.
Further, the supporting component includes the dead lever, the inside in the right side groove of stepping down is fixed perpendicularly to the one end of dead lever, and its other end runs through the inside that extends to the left side groove of stepping down, the connecting hole has been seted up to the inside of dead lever, spacing hole has been seted up to the left surface of dead lever, the connecting rod that one end runs through spacing hole and extends to the connecting hole inside has been placed to the left surface of dead lever, the supporting groove that is two in quantity has been seted up to the inside of dead lever, two equal sliding connection in supporting groove has the supporting shoe, two equal and the connecting rod fixed connection of supporting shoe, the connecting rod extends to the inside in the left side groove of stepping down and with left side groove fixed connection.
The beneficial effects of adopting the further scheme are as follows: under the effect of connecting rod, support left side mount, improve left side mount's stability.
Further, the two connecting rods are in clearance fit with the two limiting holes respectively, the two supporting grooves are symmetrically distributed up and down by taking the connecting rods as the center, and the fixing rods are positioned on the back surfaces of the welding nails.
The beneficial effects of adopting the further scheme are as follows: through sliding connection between supporting groove and the supporting shoe, support the connecting rod, improve the stability of connecting rod.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
this special fixture is used in test of welding nail test piece tensile strength drives the mount through the threaded connection between bracing piece and the screw thread and removes, adjusts the interval between the mount, and convenient centre gripping is carried out to the welding nail of equidimension, and under the effect through first spring and second spring, convenient welding nail is fixed, makes things convenient for the staff to operate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
fig. 3 is a schematic view of the internal structure of the fixing rod in the structure of the present utility model.
Reference numerals illustrate:
1. a fixing frame; 2. a connecting groove; 3. a support rod; 4. a screw; 5. welding nails; 6. a first telescopic rod; 7. a first spring; 8. a connecting rod; 9. a relief groove; 10. a fixed rod; 11. a pressing plate; 12. a second telescopic rod; 13. a second spring; 14. a clamping groove; 15. a clamping plate; 16. a rubber pad; 17. a slide block; 18. a chute; 19. a connection hole; 20. a support block; 21. a support groove; 22. and a limiting hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a special fixture for testing tensile strength of a welding nail test piece in this embodiment includes two fixing frames 1, wherein the two fixing frames 1 are U-shaped frames and are distributed relatively, a connecting groove 2 is formed in one side surface of the two fixing frames 1, and a supporting rod 3 is connected to the connecting groove on the right side through bearing rotation.
The left side swing joint of bracing piece 3 has one end to run through and extend to the inside screw rod 4 of bracing piece 3, the screw hole has been seted up to the left surface of bracing piece 3, screw rod 4 runs through and extends to the inside of screw hole and rather than threaded connection, the other end of screw rod 4 runs through right side spread groove 2 and extends to the inside of left side spread groove 2, draw-in groove 14 has all been seted up to screw rod 4 and left side spread groove 2 fixed connection, welding nail 5 has been placed to the inside of two mounts 1, the bottom of welding nail 5 runs through draw-in groove 14 and extends to the bottom of mount 1, the groove 9 of stepping down has all been seted up to the bottom department that just is located welding nail 5 to the opposite side of two mounts 1.
Specifically, grasp mount 1, rotate bracing piece 3, make bracing piece 3 rotatory, through the threaded connection between bracing piece 3 and screw rod 4, make screw rod 4 remove, adjust the interval between the mount 1.
Referring to fig. 1-3, in this embodiment, a fixing component is disposed between two fixing frames 1, the fixing component includes two first telescopic rods 6, the two first telescopic rods 6 are respectively and vertically fixed on inner walls of opposite sides of the two fixing frames 1, clamping plates 15 are respectively and fixedly connected to opposite sides of the two first telescopic rods 6, first springs 7 respectively and fixedly connected to the fixing frames 1 and the clamping plates 15 are respectively sleeved on outer peripheral walls of the two first telescopic rods 6, rubber pads 16 are respectively and fixedly connected to opposite sides of the two clamping plates 15, the two rubber pads 16 are respectively attached to the welding nails 5, second telescopic rods 12 are respectively and fixedly connected to inner top walls of the two fixing frames 1, pressing plates 11 are respectively attached to the welding nails 5, second springs 13 respectively and fixedly connected to the fixing frames 1 and the pressing plates 11 are respectively sleeved on outer peripheral walls of the two second telescopic rods 12, sliding grooves 18 are respectively and slidably connected to sliding blocks 17 are respectively and fixedly connected to the two sliding blocks 17 and the two clamping plates 15.
Wherein, first telescopic link 6 and second telescopic link 12 are by cover storehouse and motion pole constitution, and motion pole one end runs through and extends to the inside of cover storehouse, and the outside fixedly connected with of motion pole is located the inside limiting block in cover storehouse, and the through-hole with motion pole looks adaptation has been seted up to one side in cover storehouse, through being provided with limiting block, has prevented that the motion pole breaks away from with the cover storehouse in the motion process.
Specifically, the pressing plate 11 and the clamping plate 15 are pulled to move, the first spring 7 and the second spring 13 are respectively extruded, the first spring 7 and the second spring 13 are contracted, the welding nail 5 is placed into the fixing frame 1, the bottom end of the welding nail 5 penetrates through the clamping groove 14, the pressing plate 11 and the clamping plate 15 are loosened, the pressing plate 11 and the clamping plate 15 are reset under the elastic action of the first spring 7 and the second spring 13, the welding nail 5 is attached to the clamping plate, the welding nail 5 is further fixed, and the first spring 7 and the second spring 13 are respectively supported under the action of the first telescopic rod 6 and the second telescopic rod 12, so that the stability of the welding nail is improved.
Referring to fig. 1-3, in this embodiment, a supporting component is disposed between two fixing frames 1, the supporting component includes a fixing rod 10, one end of the fixing rod 10 is vertically fixed in the right side yielding groove 9, the other end of the fixing rod extends through the inside of the left side yielding groove 9, the fixing rod 10 is located at the back of the welding nail 5, the inside of the fixing rod 10 is provided with a connecting hole 19, the left side of the fixing rod 10 is provided with a limiting hole 22, the left side of the fixing rod 10 is provided with a connecting rod 8, one end of the connecting rod 8 penetrates through the limiting hole 22 and extends into the connecting hole 19, the connecting rod 8 and the limiting hole 22 are in clearance fit, the inside of the fixing rod 10 is provided with two supporting grooves 21, the two supporting grooves 21 are slidably connected with supporting blocks 20, the two supporting blocks 20 are fixedly connected with the connecting rod 8, the connecting rod 8 extends into the inside of the left side yielding groove 9 and is fixedly connected with the left side yielding groove 9, and the two supporting grooves 21 are vertically symmetrically distributed with the connecting rod 8 as a center.
Specifically, through the sliding connection between the support groove 21 and the support block 20, the fixing frame 1 drives the connecting rod 8 to move, and the connecting rod 8 supports the fixing frame 1.
The working principle of the embodiment is as follows:
the fixing frame 1 is grabbed, the supporting rod 3 is rotated, the threaded connection between the supporting rod 3 and the threaded rod 4 is used for enabling the threaded rod 4 to move, the distance between the fixing frames 1 is adjusted, the connecting rod 8 is driven by the fixing frames 1 to move through sliding connection between the supporting grooves 21 and the supporting blocks 20, the fixing frames 1 are supported by the connecting rod 8, the pressing plate 11 and the clamping plate 15 are pulled to move, the first spring 7 and the second spring 13 are respectively extruded, the first spring 7 and the second spring 13 are contracted, the welding nails 5 are placed into the fixing frames 1, the clamping grooves 14 are penetrated at the bottom ends of the welding nails 5, the pressing plate 11 and the clamping plate 15 are loosened, the welding nails 5 are attached under the action of elasticity of the first spring 7 and the second spring 13, the welding nails 5 are fixed, the first spring 7 and the second spring 13 are respectively supported under the action of the first telescopic rod 6 and the second telescopic rod 12, the stability of the welding nails is improved, and the stability of the clamping plate is improved through sliding connection between the sliding grooves 18 and the sliding blocks 17.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Welding nail test piece tensile strength test is with special fixture, including mount (1) that is two in quantity, its characterized in that: a connecting groove (2) is formed in one side surface of the two fixing frames (1) opposite to each other, and a supporting rod (3) is rotatably connected to the connecting groove on the right side through a bearing;
the left side face of the supporting rod (3) is movably connected with a screw rod (4) with one end penetrating through and extending to the inside of the supporting rod (3), the other end of the screw rod (4) penetrates through the right side connecting groove (2) and extends to the inside of the left side connecting groove (2), clamping grooves (14) are formed in one side face, opposite to the two fixing frames (1), welding nails (5) are arranged in the two fixing frames (1), the bottom ends of the welding nails (5) penetrate through the clamping grooves (14) and extend to the bottom of the fixing frames (1), and yielding grooves (9) are formed in the bottom of the welding nails (5) and on one side face opposite to the fixing frames (1);
a fixing component is arranged between the two fixing frames (1) and used for fixing by welding nails, and a supporting component is arranged between the two fixing frames (1) and used for supporting the fixing frames (1).
2. The special fixture for testing the tensile strength of a welded nail test piece according to claim 1, wherein: the two fixing frames (1) are U-shaped frames and are distributed oppositely, a threaded hole is formed in the left side face of the supporting rod (3), the screw rod (4) penetrates through and extends to the inside of the threaded hole and is in threaded connection with the threaded hole, and the screw rod (4) is fixedly connected with the left connecting groove (2).
3. The special fixture for testing the tensile strength of a welded nail test piece according to claim 1, wherein: the fixed subassembly is including the first telescopic link (6) that is two in quantity, two first telescopic link (6) are perpendicular to be fixed respectively on the inner wall of one side that two mount (1) are relative, two equal fixedly connected with splint (15) of one side that first telescopic link (6) are relative, two the equal cover of periphery wall of first telescopic link (6) is equipped with respectively with mount (1) and splint (15) fixed connection's first spring (7), two equal fixedly connected with rubber pad (16) of one side that splint (15) are relative, two equal fixedly connected with second telescopic link (12) of inner roof of mount (1), two equal fixedly connected with clamp plate (11) in second telescopic link (12) bottom surface, two equal cover of periphery wall of second telescopic link (12) respectively with mount (1) and clamp plate (11) fixed connection's second spring (13).
4. The special fixture for testing the tensile strength of a welded nail test piece according to claim 3, wherein: two rubber pads (16) are attached to the welding nails (5), and two pressing plates (11) are attached to the welding nails (5).
5. The special fixture for testing the tensile strength of a welded nail test piece according to claim 4, wherein: the inner bottom walls of the two fixing frames (1) are provided with sliding grooves (18), the two sliding grooves (18) are connected with sliding blocks (17) in a sliding mode, and the two sliding blocks (17) are fixedly connected with the two clamping plates (15) respectively.
6. The special fixture for testing the tensile strength of a welded nail test piece according to claim 5, wherein: the first telescopic rod (6) and the second telescopic rod (12) are composed of a sleeve bin and a moving rod, one end of the moving rod penetrates through and extends to the inside of the sleeve bin, the outer side of the moving rod is fixedly connected with a limiting block located in the sleeve bin, a penetrating hole matched with the moving rod is formed in one side of the sleeve bin, and the limiting block is arranged to prevent the moving rod from being separated from the sleeve bin in the moving process.
7. The special fixture for testing the tensile strength of a welded nail test piece according to claim 6, wherein: the utility model provides a support assembly, including dead lever (10), the inside of right side groove (9) of stepping down is fixed perpendicularly to the one end of dead lever (10), and its other end runs through the inside that extends to left side groove (9) of stepping down, connecting hole (19) have been seted up to the inside of dead lever (10), spacing hole (22) have been seted up to the left surface of dead lever (10), connecting rod (8) that one end runs through spacing hole (22) and extends to connecting hole (19) inside have been placed to the left surface of dead lever (10), supporting slot (21) that are two in quantity are seted up to the inside of dead lever (10), two supporting slot (21) all sliding connection have supporting shoe (20), two supporting shoe (20) all with connecting rod (8) fixed connection, connecting rod (8) extend to the inside that left side groove (9) were stepping down and with left side groove (9) fixed connection.
8. The special fixture for testing the tensile strength of a welded nail test piece according to claim 7, wherein: the two connecting rods (8) are respectively in clearance fit with the two limiting holes (22), the two supporting grooves (21) are symmetrically distributed up and down by taking the connecting rods (8) as the center, and the fixing rods (10) are positioned on the back surfaces of the welding nails (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321191741.3U CN219737064U (en) | 2023-05-17 | 2023-05-17 | Special fixture for testing tensile strength of welding nail test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321191741.3U CN219737064U (en) | 2023-05-17 | 2023-05-17 | Special fixture for testing tensile strength of welding nail test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737064U true CN219737064U (en) | 2023-09-22 |
Family
ID=88029614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321191741.3U Active CN219737064U (en) | 2023-05-17 | 2023-05-17 | Special fixture for testing tensile strength of welding nail test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737064U (en) |
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2023
- 2023-05-17 CN CN202321191741.3U patent/CN219737064U/en active Active
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