CN211856124U - Tensile test fixture for lap welding steel bar joint - Google Patents
Tensile test fixture for lap welding steel bar joint Download PDFInfo
- Publication number
- CN211856124U CN211856124U CN202020585825.5U CN202020585825U CN211856124U CN 211856124 U CN211856124 U CN 211856124U CN 202020585825 U CN202020585825 U CN 202020585825U CN 211856124 U CN211856124 U CN 211856124U
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- wedge
- steel bar
- bar joint
- tensile test
- plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 238000009864 tensile test Methods 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 title abstract description 15
- 239000011111 cardboard Substances 0.000 claims abstract description 20
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a lap welding steel bar joint tensile test anchor clamps mainly relates to the detecting instrument field. Including keeping silent the seat, keep silent and be equipped with the V type opening that runs through both sides around, the symmetry is fixed with the direction swash plate on the V type open-ended left and right sides inclined plane, sliding connection has wedge type cardboard on the direction swash plate, two the equal vertical setting in one side that the wedge type cardboard is relative, sliding connection has the power rod on keeping silent the seat, the one end of power rod is fixed with the push-and-pull plate, the push-and-pull plate contacts its characterized in that with the one end of two wedge type cardboard direction of height: and one side of each of the two wedge-shaped clamping plates, which is opposite to the other side, is provided with a circular groove, and a clamping block is rotationally connected in the circular groove. The beneficial effects of the utility model reside in that: the clamp can rotate along with the deviation of the stress center, the service life of equipment is protected, and the accuracy of a measuring result is improved.
Description
Technical Field
The utility model relates to an instrument detection area specifically is a lap welding steel bar joint tensile test anchor clamps.
Background
The universal testing machine is one kind of mechanical testing machine and is one detector for determining the deformation resisting performance of metal material under tension load and judging the deformation resisting capacity of the material under tension load. Tensile anchor clamps are the key part on the material universal tester, and tensile anchor clamps's shape is vital to tensile test, and to the overlap joint welding reinforcing bar joint that uses in the engineering, the atress center of two overlap joint welding reinforcing bars can produce the skew in tensile process, when using current ordinary anchor clamps to carry out the centre gripping, tensile process can cause the jaw part damage of anchor clamps and test result inaccurate, influences the life of equipment, reduces the accuracy of tensile test result data.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lap welding steel bar joint tensile test anchor clamps, it can make anchor clamps follow the skew at atress center and rotate, and protective apparatus's life improves measuring result's accuracy.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the utility model provides a lap welding steel bar joint tensile test anchor clamps, includes the vice jaw seat, it is equipped with the V type opening that runs through both sides around to keep silent the seat, the symmetry is fixed with the direction swash plate on the inclined plane of V type open-ended left and right sides, sliding connection has wedge type cardboard on the direction swash plate, two the equal vertical setting in one side that the wedge type cardboard is relative, sliding connection has the power rod on keeping silent the seat, the one end of power rod is fixed with the push-and-pull board, the push-and-pull board contacts with the one end of two wedge type cardboard direction of height, two one side that the wedge type cardboard is relative all is equipped with the circular slot, the circular slot internal rotation is connected with the.
Furthermore, the front side and the rear side of the jaw seat are vertically provided with a guide straight plate, and the front side and the rear side of the wedge-shaped clamping plate are in contact with the guide straight plate.
Furthermore, a cylindrical block is fixed on one side of the clamping block, the cylindrical block is rotatably connected in the circular groove, and tooth-shaped clamping teeth are arranged on the other side of the clamping block.
Furthermore, the hydraulic cylinder is further included, and the power rod is fixedly connected with the movable end of the hydraulic cylinder.
Furthermore, the jaw clamping device further comprises a support frame, and the two jaw seats are fixed on the support frame in a vertically symmetrical mode.
Contrast prior art, the beneficial effects of the utility model reside in that:
the utility model discloses using being close to and keeping away from of wedge cardboard, realizing the centre gripping at overlap joint welding steel bar joint both ends, all rotating simultaneously on one side that two wedge cardboards are relative and connecting the fixture block, further overlap joint welding's steel bar joint is held between two fixture blocks by the centre gripping, to the tensile in-process of overlap joint welding head, along with the skew at steel bar joint atress center, the fixture block rotates on the wedge cardboard along with the atress center, makes the position and the atress center of fixture block keep unanimous, has avoided like this because the relative collision and the damage that the skew produced in atress center between steel bar joint and the wedge cardboard, has protected the safety of anchor clamps, can make the steel bar joint reduce the interference that anchor clamps caused to it when measuring simultaneously, has further improved measured data's accuracy.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the present invention taken along the direction a in fig. 1.
Fig. 3 is a cross-sectional view of the present invention taken along the direction B in fig. 1.
Reference numerals shown in the drawings:
1. a jaw seat; 2. a V-shaped opening; 3. a guide sloping plate; 4. a wedge-shaped clamping plate; 5. a power rod; 6. a push-pull plate; 7. a circular groove; 8. a clamping block; 9. a guide straight plate; 10. a cylindrical block; 11. a tooth-shaped latch; 12. a steel bar joint.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
The utility model relates to a lap welding steel bar joint tensile test fixture, the main structure includes a jaw seat 1, the jaw seat 1 is fixed on a support through bolts or welding, the jaw seat 1 is generally arranged symmetrically from top to bottom for the clamping of the lap welding steel bar joint, the jaw seat 1 is provided with a V-shaped opening 2 which runs through the front and back sides, the V-shaped opening 2 runs through the front and back sides of the jaw seat 1, the left and right sides of the V-shaped opening 2 are V-shaped inclined planes, a guide inclined plate 3 is symmetrically welded or fixed by bolts on the left and right inclined planes of the V-shaped opening 2, a wedge-shaped clamping plate 4 is connected on the guide inclined plate 3 in a sliding way, a sliding groove is arranged on the guide inclined plate 3 along the inclined plane, the wedge-shaped clamping plate 4 is connected in the sliding groove in a sliding way, two opposite sides of the wedge-shaped clamping plate 4 are vertically arranged, one side opposite to the other side is connected with the guide inclined, in the clamp in the prior art, the steel bar joint 12 is generally located between two wedge-shaped clamping plates 4, the jaw seat 1 is slidably connected with a power rod 5, the power rod 5 penetrates through the jaw seat 1 along the height direction and is slidably connected with the jaw seat 1, one end of the power rod 5 close to the wedge-shaped clamping plates 4 is fixed with a push-pull plate 6, the push-pull plate 6 is in contact with one end of the two wedge-shaped clamping plates 4 along the height direction, the power rod 5 is driven by a power device such as a motor or a hydraulic cylinder and the like to move up and down to drive the drag-pull plate 6 to move up and down, so that the wedge-shaped clamping plates 4 in contact with the push-pull plate 6 slide along the inclined plane of the guide inclined plate 3, and because the guide inclined plate 3 is obliquely arranged, the distance between the two wedge-shaped clamping plates 4 is constantly changed under the driving of the up and down, the realization is to the tight and release of the clamp of steel splice 12 between the two one side that wedge type cardboard 4 is relative all is equipped with circular slot 7, circular slot 7 internal rotation is connected with fixture block 8, fixture block 8 can rotate at V type opening 2's fore-and-aft direction, the utility model discloses an improvement lies in pressing from both sides steel splice 12 tightly between two fixture blocks 8, and two reinforcing bars carry out the overlap joint welding along V type opening 2's fore-and-aft direction, and fixture block 8 presss from both sides the upper and lower both ends of tight steel splice 12, and the atress center of steel splice 12 can squint along V type opening 2's fore-and-aft direction when tensile, drives two fixture blocks 8 and rotates, has avoided colliding with the relative displacement that wedge type cardboard 4 goes on, has protected the life of equipment, has reduced the interference of anchor clamps to the tensile in-process of steel splice, improves the accuracy of instrument.
Preferably, the front side and the rear side of the jaw seat 1 are vertically provided with a guide straight plate 9, the front side and the rear side of the wedge-shaped clamping plate 4 are in contact with the guide straight plate 9, and the wedge-shaped clamping plate 4 slides up and down along the direction of the guide straight plate 9 in the up-and-down moving process of the push-and-pull plate 6, so that the stability of the wedge-shaped clamping plate 4 in the moving process can be improved, and the stability of clamping the reinforcing steel bar joint 12 can be ensured.
Preferably, a cylindrical block 10 is fixed on one side of the clamping block 8, the cylindrical block 10 is rotatably connected in the circular groove 7, the clamping block 8 is easier to manufacture, the matching between the clamping block and the wedge-shaped clamping plate 4 is more stable, tooth-shaped clamping teeth 11 are arranged on the other side of the clamping block 8, and the reinforcing steel bar joint 12 is clamped between the two tooth-shaped clamping teeth 11, so that the clamping firmness is improved.
Preferably, still include the pneumatic cylinder, power rod 5 and the expansion end welded fastening of pneumatic cylinder utilize the lift of pneumatic cylinder control power rod 5 more convenient, can provide more sufficient power, and lifting control is more stable.
Preferably, still include the support frame, two the jaw seat 1 is fixed on the support frame of upper and lower symmetry, to the tensile test of overlap joint welded steel bar joint 12, jaw seat 1 upper and lower symmetry sets up, fixes the upper and lower both ends of steel bar joint 12 respectively between two upper and lower fixture blocks 8 during the use, makes going on of experiment more convenient.
The working principle is as follows: the utility model discloses using being close to and keeping away from of two wedge cardboard 4, realizing the centre gripping that welds the reinforcing bar and connect 12 both ends to the overlap joint, all rotating simultaneously on one side that two wedge cardboard 4 are relative and connecting fixture block 8, further overlap joint welds the reinforcing bar and connects 12 by the centre gripping between two fixture blocks 8, at the in-process that welds reinforcing bar joint 12 tensile to the overlap joint, along with the skew at reinforcing bar joint atress center, fixture block 8 rotates along with atress center 4 on the wedge cardboard, makes the position of fixture block 8 keep unanimous with the atress center, has avoided so that reinforcing bar joint 12 and wedge cardboard 4 between because the relative collision and the damage that the skew produced in atress center, has protected the safety of anchor clamps, can make reinforcing bar joint 12 reduce the interference that anchor clamps caused to it when measuring simultaneously, has further improved measured data's accuracy.
Claims (5)
1. The utility model provides an overlap joint welded steel bar joint tensile test anchor clamps, includes jaw seat (1), be equipped with V type opening (2) that run through both sides around being equipped with on jaw seat (1), the symmetry is fixed with direction swash plate (3) on the left and right sides inclined plane of V type opening (2), sliding connection has wedge cardboard (4) on direction swash plate (3), two equal vertical setting in one side that wedge cardboard (4) are relative, sliding connection has power rod (5) on jaw seat (1), the one end of power rod (5) is fixed with push-and-pull plate (6), push-and-pull plate (6) contact its characterized in that with the one end of two wedge cardboard (4) direction of height: and one side of each of the two wedge-shaped clamping plates (4) opposite to each other is provided with a circular groove (7), and a clamping block (8) is rotationally connected in the circular groove (7).
2. The lap-welded steel bar joint tensile test clamp of claim 1, wherein: the front side and the rear side of the jaw seat (1) are vertically provided with a guide straight plate (9), and the front side and the rear side of the wedge-shaped clamping plate (4) are in contact with the guide straight plate (9).
3. The lap-welded steel bar joint tensile test clamp of claim 1, wherein: a cylindrical block (10) is fixed on one side of the clamping block (8), the cylindrical block (10) is rotatably connected in the circular groove (7), and tooth-shaped clamping teeth (11) are arranged on the other side of the clamping block (8).
4. The lap-welded steel bar joint tensile test clamp of claim 1, wherein: the hydraulic cylinder is further included, and the power rod (5) is fixedly connected with the movable end of the hydraulic cylinder.
5. The lap-welded steel bar joint tensile test clamp of claim 1, wherein: the jaw clamping device is characterized by further comprising a supporting frame, and the two jaw seats (1) are fixed on the supporting frame in an up-and-down symmetrical mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585825.5U CN211856124U (en) | 2020-04-17 | 2020-04-17 | Tensile test fixture for lap welding steel bar joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585825.5U CN211856124U (en) | 2020-04-17 | 2020-04-17 | Tensile test fixture for lap welding steel bar joint |
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| Publication Number | Publication Date |
|---|---|
| CN211856124U true CN211856124U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020585825.5U Active CN211856124U (en) | 2020-04-17 | 2020-04-17 | Tensile test fixture for lap welding steel bar joint |
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| Country | Link |
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| CN (1) | CN211856124U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730207A (en) * | 2020-12-16 | 2021-04-30 | 贵州电网有限责任公司 | Weather-resistant steel iron tower bolt connection part test device and test method thereof |
| CN115776273A (en) * | 2022-12-06 | 2023-03-10 | 国家电投集团邢台新能源发电有限公司 | Photovoltaic combiner box and photovoltaic system |
| CN116944272A (en) * | 2023-09-19 | 2023-10-27 | 常州常宝精特钢管有限公司 | Automatic control device for jaw of cold drawing machine |
-
2020
- 2020-04-17 CN CN202020585825.5U patent/CN211856124U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730207A (en) * | 2020-12-16 | 2021-04-30 | 贵州电网有限责任公司 | Weather-resistant steel iron tower bolt connection part test device and test method thereof |
| CN112730207B (en) * | 2020-12-16 | 2024-05-17 | 贵州电网有限责任公司 | Test device and test method for bolt connection part of weathering steel tower |
| CN115776273A (en) * | 2022-12-06 | 2023-03-10 | 国家电投集团邢台新能源发电有限公司 | Photovoltaic combiner box and photovoltaic system |
| CN115776273B (en) * | 2022-12-06 | 2023-08-04 | 国家电投集团邢台新能源发电有限公司 | Photovoltaic collection flow box and photovoltaic system |
| CN116944272A (en) * | 2023-09-19 | 2023-10-27 | 常州常宝精特钢管有限公司 | Automatic control device for jaw of cold drawing machine |
| CN116944272B (en) * | 2023-09-19 | 2023-12-15 | 常州常宝精特钢管有限公司 | Automatic control device for jaw of cold drawing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240220 Address after: Room 401, Unit 4, Building 5, No. 111 Jiwei Road, Shizhong District, Jinan City, Shandong Province, 250002 Patentee after: Sun Shanye Country or region after: China Address before: Room 1007, Building 2, Lemeng Center, No. 28988, Jingshi Road, Huaiyin District, Jinan City, Shandong Province, 250000 Patentee before: Jinan Zhicheng Instrument Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20240514 Address after: No. 6 Dangxi Village Commercial Street, Dangjia Street Office, Shizhong District, Jinan City, Shandong Province, 250002 Patentee after: JINAN POPWIL INSTRUMENT Co.,Ltd. Country or region after: China Address before: Room 401, Unit 4, Building 5, No. 111 Jiwei Road, Shizhong District, Jinan City, Shandong Province, 250002 Patentee before: Sun Shanye Country or region before: China |