CN204269474U - Device for testing tensile force - Google Patents
Device for testing tensile force Download PDFInfo
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- CN204269474U CN204269474U CN201420692932.2U CN201420692932U CN204269474U CN 204269474 U CN204269474 U CN 204269474U CN 201420692932 U CN201420692932 U CN 201420692932U CN 204269474 U CN204269474 U CN 204269474U
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 230000003028 elevating effect Effects 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000008280 blood Substances 0.000 claims description 11
- 210000004369 blood Anatomy 0.000 claims description 11
- 230000002950 deficient Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000009864 tensile test Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004820 blood count Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development 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
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002558 medical inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of device for testing tensile force, comprise frame, elevating mechanism, driving mechanism and detection part.Elevating mechanism can slide up and down to be arranged in frame, the bracing frame of elevating mechanism is provided with block and force application part, is provided with the first fixture bottom bracing frame, the first fixture is formed with the first clamping part, be provided with the second fixture bottom driving mechanism, the second fixture is formed with the second clamping part.First clamping part clamps object one end to be measured, the second clamping part clamping other end, driving mechanism drives the second fixture to move upward, second fixture drives the motion of determinand part, if the two ends of object to be measured are not separated, then elevating mechanism moves upward, until block is detected parts arrival precalculated position detected, judges that object to be measured is qualified; If the two ends of object to be measured are separated, then detection part cannot detect block in precalculated position, judges that object to be measured is defective, and ensure the consistance of examination criteria, reliability is high.
Description
Technical field
The utility model relates to medical machinery equipment technical field, especially, relates to a kind of device for testing tensile force.
Background technology
Along with the development of science and technology, blood count is widely used in various clinical case as a kind of important medical inspection.Blood taking needle has considerable influence as the instrument of blood sample collection to assay.Blood taking needle comprises syringe needle and needle guard, in process of production, is inserted by syringe needle in the center pit of needle guard, reaches precalculated position through overcompaction, solidifies at syringe needle and needle guard junction point glue, thus syringe needle is fixing in needle guard.
But, be connected the problems such as not firm if existed between syringe needle with needle guard, then product quality can be caused defective.Therefore, in the process manufacturing blood taking needle, need that with needle guard junction, fastness is connected to syringe needle and detect, but current connection fastness detects main by manually completing, and causes examination criteria inconsistent, poor reliability.
Utility model content
The utility model object is to provide a kind of device for testing tensile force, inconsistent to solve existing examination criteria, the technical matters of poor reliability.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of device for testing tensile force, comprising:
Frame;
Elevating mechanism, can slide up and down to be arranged in frame, elevating mechanism comprises bracing frame, and bracing frame being provided with block and the force application part for controlling dynamics, being provided with the first fixture bottom bracing frame, the first fixture is formed with the first clamping part;
Driving mechanism, be installed in frame, the second fixture is provided with bottom driving mechanism, driving mechanism drives the second fixture to move up and down, second fixture is formed with second clamping part corresponding with the first clamping part, first clamping part is for clamping one end of object to be measured, and the second clamping part is for clamping the other end of object to be measured;
Detection part, is installed in frame, for detecting the position of block to judge that whether object to be measured is qualified.
Further, erecting is equipped with line slideway, and bracing frame linearly guide rail slides up and down.
Further, force application part comprises balancing weight and connecting link, and balancing weight is dismountable is installed on connecting link, and connecting link is connected with bracing frame.
Further, connecting link screw thread is arranged, and balancing weight and connecting link removably connect.
Further, block and force application part are all arranged at bracing frame top, and block and balancing weight are all positioned at frame top, and block is between balancing weight and bracing frame.
Further, driving mechanism comprises lifting cylinder and cylinder block, and lifting cylinder is installed in frame by cylinder block, connects the second fixture bottom the piston rod of lifting cylinder, and piston rod drives the second fixture to move up and down.
Further, detection part comprises sensor and mounting bracket, and sensor is installed on frame by mounting bracket.
Further, elevating mechanism and driving mechanism are arranged at the relative both sides of frame, and frame offers through hole, and the first clamping part, through through hole, is arranged with corresponding with the second clamping part, and through hole is formed with the space that can move up and down for the first fixture.
Further, the first fixture telescopically is arranged at bottom bracing frame.
Further, object to be measured is blood taking needle.
The utility model has following beneficial effect:
According to device for testing tensile force of the present utility model, in test process, object one end to be measured is held on the first clamping part, the other end is held on the second clamping part, driving mechanism drives the second fixture to move upward, second fixture can drive object to be measured to move upward in the lump, if now the two ends of object to be measured are not separated, then elevating mechanism also can synchronously move upward, until block is detected parts arrival precalculated position detected, then judge the load that object to be measured can carry force application part and applies to belong to specification product; If the two ends of object to be measured are separated, then elevating mechanism because there is no acting force homing or be always in original position, now block cannot move upward, namely detection part cannot detect block in precalculated position, then judge the load that object to be measured can not bear force application part and applies to belong to substandard product.So, judging not to be affected by human factors in the process whether object to be measured is qualified, ensure the consistance of examination criteria, reliability is high.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the device for testing tensile force of the utility model preferred embodiment; And
Fig. 2 is the structural representation at another visual angle of device for testing tensile force of Fig. 1.
Description of reference numerals: 10, frame; 110, line slideway; 120, through hole;
20, elevating mechanism; 210, bracing frame; 220, block; 230, force application part; 232, balancing weight; 234, connecting link;
30, the first fixture; 310, the first clamping part;
40, driving mechanism; 410, lifting cylinder; 412, piston rod; 420, cylinder block;
50, the second fixture; 510, the second clamping part;
60, detection part; 610, sensor; 620, mounting bracket.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1 and Fig. 2, preferred embodiment of the present utility model provides a kind of device for testing tensile force, comprises frame 10, elevating mechanism 20, driving mechanism 40 and detection part 60.Elevating mechanism 20 can slide up and down to be arranged in frame 10, elevating mechanism 20 comprises bracing frame 210, bracing frame 210 is provided with block 220 and the force application part 230 for controlling dynamics, namely load corresponding load by force application part 230 at the pulling force applied the object to be measured needing to test to control, be provided with the first fixture 30, first fixture 30 bottom bracing frame 210 and be formed with the first clamping part 310.Driving mechanism 40 is installed in frame 10, the second fixture 50 is provided with bottom driving mechanism 40, driving mechanism 40 drives the second fixture 50 to move up and down, second fixture 50 is formed with second clamping part 510 corresponding with the first clamping part 310, first clamping part 310 is for clamping one end of object to be measured, and the second clamping part 510 is for clamping the other end of object to be measured.Detection part 60 is installed in frame 10, for detecting the position of block 220 to judge that whether object to be measured is qualified.In test process, object one end to be measured is held on the first clamping part 310, the other end is held on the second clamping part 510, driving mechanism 40 drives the second fixture 50 to move upward, second fixture 50 can drive object to be measured to move upward in the lump, if now the two ends of object to be measured are not separated, then elevating mechanism 20 also can synchronously move upward, until block 220 is detected parts 60 arrival precalculated position detected, then judge the load that object to be measured can carry force application part 230 and applies to belong to specification product; If the two ends of object to be measured are separated, show that syringe needle is fixing loosely, then elevating mechanism 20 because there is no acting force homing or be always in original position, now block 220 cannot move upward, namely detection part 60 cannot detect block 220 in precalculated position, then judge the load that object to be measured can not bear force application part 230 and applies to belong to substandard product.So, judging not to be affected by human factors in the process whether object to be measured is qualified, ensure the consistance of examination criteria, measuring accuracy is high, and reliability is high.
Specifically in the present embodiment, object to be measured can be blood taking needle, and the first clamping part 310 clamps the needle guard of blood taking needle, and the second clamping part 510 clamps the syringe needle of blood taking needle.Or the first clamping part 310 also can clamp the syringe needle of blood taking needle, the second clamping part 510 clamps the needle guard of blood taking needle.Certainly, in other embodiments, object to be measured also can be the object that other need carry out tensile test.
With reference to Fig. 1 and Fig. 2, in the preferred embodiment, alternatively, the first fixture 30 telescopically is arranged at bottom bracing frame 210.When object to be measured need carry out tensile test operation, first fixture 30 stretches out bottom bracing frame 210, with the one end making the first clamping part 310 clamp object to be measured, until the first clamping part 310 and the second clamping part 510 contraposition, now the second clamping part 510 clamps the other end of object to be measured, carries out tensile test to drive object to be measured.When object tensile test operation to be measured terminate after or without the need to carrying out tensile test operation time, the first fixture 30 is retracted to bottom bracing frame 210, realizes the robotization of tensile test, improve testing efficiency.
With reference to Fig. 1 and Fig. 2, in the preferred embodiment, alternatively, frame 10 is provided with line slideway 110, and bracing frame 210 linearly guide rail 110 slides up and down.So, line slideway 110 provides guiding route for elevating mechanism 20 slides up and down, and ensures the kinetic stability that elevating mechanism 20 slides up and down, guarantees measuring accuracy.
With reference to Fig. 1 and Fig. 2, in the preferred embodiment, alternatively, force application part 230 comprises balancing weight 232 and connecting link 234, and balancing weight 232 is dismountable is installed on connecting link 234, and connecting link 234 is connected with bracing frame 210.So, can choose corresponding balancing weight 232 according to the test pulling force of the object to be measured of required test, change without the need to complete machine, applied widely, reliability is high.Preferably, connecting link 234 screw thread is arranged, and balancing weight 232 and connecting link 234 removably connect.In the present embodiment, balancing weight 232 can offer threaded hole, and balancing weight 232 is threaded with connecting link 234 by threaded hole.In other embodiments, balancing weight 232 also only can offer the connecting hole of inner wall smooth, and balancing weight 232 is arranged on connecting link 234 by connecting hole, and connecting link 234 stretches out one end of balancing weight 232 by fastening nuts, to carry out maintenance to balancing weight 232.Connecting link 234 and bracing frame 210 also can adopt and be threaded.Further, block 220 and force application part 230 are all arranged at bracing frame 210 top, and block 220 and balancing weight 232 are all positioned at frame 10 top, and for ease of the replacing of balancing weight 232, block 220 can between balancing weight 232 and bracing frame 210.So, before elevating mechanism 20 upward sliding, balancing weight 232 and block 220 can partly be positioned in frame 10, with the weight making frame 10 carry elevating mechanism 20, simplify structure, easy-to-use.
With reference to Fig. 1 and Fig. 2, in the preferred embodiment, alternatively, driving mechanism 40 comprises lifting cylinder 410 and cylinder block 420, lifting cylinder 410 is installed in frame 10 by cylinder block 420, be connected with the second fixture 50 bottom the piston rod 412 of lifting cylinder 410, piston rod 412 drives the second fixture 50 to move up and down.Adopt lifting cylinder 410 as power resources, realize the object that the second fixture 50 pulls object to be measured to move upward, structure is simple, convenient for control.Second fixture 50 can select jaw, to clamp object to be measured.
With reference to Fig. 1 and Fig. 2, in the preferred embodiment, alternatively, detection part 60 comprises sensor 610 and mounting bracket 620, and sensor 610 is installed on frame 10 by mounting bracket 620.The position of sensor 610 pairs of blocks 220 is adopted to detect, when sensor 610 can detect that block 220 arrives precalculated position, show that object to be measured connects firm, product is qualified, when sensor 610 can not detect block 220 in precalculated position, show that object to be measured is separated under a stretching force, product is defective, test is convenient, and reliability is high.Wherein, sensor 610 is the ripe parts in detection technique field, and its structure and principle of work do not repeat them here.
Specifically in the present embodiment, detection part 60 is positioned on block 220, and staggers with the track in the vertical direction that block 220 moves up and down.When block 220 moves upward through detection part 60, detection part 60 can detect block 220, and show that block 220 reaches precalculated position, product is qualified; If when block 220 is without detection part 60, then detection part 60 can not detect block 220, and show that block 220 does not reach precalculated position, product is defective.In other embodiments, detection part 60 also can be other modes, the object that the position that can realize detection part 60 pairs of blocks 220 is detected with the installation site of block 220.
With reference to Fig. 1 and Fig. 2, in the preferred embodiment, alternatively, for improving the dependability of device for testing tensile force, elevating mechanism 20 and driving mechanism 40 are arranged at the relative both sides of frame 10, and frame 10 offers through hole 120, and the first clamping part 310 is through through hole 120, arrange with corresponding with the second clamping part 510, through hole 120 is formed with the space that can move up and down for the first fixture 30.Certainly, in other embodiments, elevating mechanism 20 and driving mechanism 40 also can be arranged at homonymy or other orientation of frame 10, can realize carrying out tensile test to object to be measured, judge whether qualified object.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
According to device for testing tensile force of the present utility model, in test process, object one end to be measured is held on the first clamping part 310, the other end is held on the second clamping part 510, driving mechanism 40 drives the second fixture 50 to move upward, second fixture 50 can drive object to be measured to move upward in the lump, if now the two ends of object to be measured are not separated, then elevating mechanism 20 also can synchronously move upward, until block 220 is detected parts 60 arrival precalculated position detected, then judge the load that object to be measured can carry force application part 230 and applies to belong to specification product; If the two ends of object to be measured are separated, then elevating mechanism 20 because there is no acting force homing or be always in original position, now block 220 cannot move upward, namely detection part 60 cannot detect block 220 in precalculated position, then judge the load that object to be measured can not bear force application part 230 and applies to belong to substandard product.So, judging not to be affected by human factors in the process whether object to be measured is qualified, ensure the consistance of examination criteria, reliability is high.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a device for testing tensile force, is characterized in that, comprising:
Frame (10);
Elevating mechanism (20), can slide up and down to be arranged in described frame (10), described elevating mechanism (20) comprises bracing frame (210), support frame as described above (210) is provided with block (220) and the force application part (230) for controlling dynamics, support frame as described above (210) bottom is provided with the first fixture (30), and described first fixture (30) is formed with the first clamping part (310);
Driving mechanism (40), be installed in described frame (10), described driving mechanism (40) bottom is provided with the second fixture (50), described driving mechanism (40) drives described second fixture (50) to move up and down, described second fixture (50) is formed with second clamping part (510) corresponding with described first clamping part (310), described first clamping part (310) is for clamping one end of object to be measured, and described second clamping part (510) is for clamping the other end of described object to be measured;
Whether detection part (60), is installed in described frame (10), qualified to judge described object to be measured for the position detecting described block (220).
2. device for testing tensile force according to claim 1, is characterized in that,
Described frame (10) is provided with line slideway (110), and support frame as described above (210) slides up and down along described line slideway (110).
3. device for testing tensile force according to claim 1, is characterized in that,
Described force application part (230) comprises balancing weight (232) and connecting link (234), described balancing weight (232) is dismountable is installed on described connecting link (234), and described connecting link (234) is connected with support frame as described above (210).
4. device for testing tensile force according to claim 3, is characterized in that,
Described connecting link (234) screw thread is arranged, and described balancing weight (232) and described connecting link (234) removably connect.
5. device for testing tensile force according to claim 3, is characterized in that,
Described block (220) and described force application part (230) are all arranged at support frame as described above (210) top, described block (220) and described balancing weight (232) are all positioned at described frame (10) top, and described block (220) is positioned between described balancing weight (232) and support frame as described above (210).
6. device for testing tensile force according to claim 1, is characterized in that,
Described driving mechanism (40) comprises lifting cylinder (410) and cylinder block (420), described lifting cylinder (410) is installed in described frame (10) by described cylinder block (420), piston rod (412) bottom of described lifting cylinder (410) connects described second fixture (50), and described piston rod (412) drives described second fixture (50) to move up and down.
7. device for testing tensile force according to claim 1, is characterized in that,
Described detection part (60) comprises sensor (610) and mounting bracket (620), and described sensor (610) is installed on described frame (10) by described mounting bracket (620).
8. device for testing tensile force according to claim 1, is characterized in that,
Described elevating mechanism (20) is arranged at the relative both sides of described frame (10) with described driving mechanism (40), described frame (10) offers through hole (120), described first clamping part (310) is through described through hole (120), arrange with corresponding with described second clamping part (510), described through hole (120) is formed with the space that can move up and down for described first fixture (30).
9. device for testing tensile force according to claim 1, is characterized in that,
Described first fixture (30) telescopically is arranged at support frame as described above (210) bottom.
10. the device for testing tensile force according to claim 1 to 9 any one, is characterized in that,
Described object to be measured is blood taking needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692932.2U CN204269474U (en) | 2014-11-18 | 2014-11-18 | Device for testing tensile force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692932.2U CN204269474U (en) | 2014-11-18 | 2014-11-18 | Device for testing tensile force |
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| Publication Number | Publication Date |
|---|---|
| CN204269474U true CN204269474U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420692932.2U Expired - Fee Related CN204269474U (en) | 2014-11-18 | 2014-11-18 | Device for testing tensile force |
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| Country | Link |
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| CN (1) | CN204269474U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043864A (en) * | 2015-05-29 | 2015-11-11 | 深圳市共进电子股份有限公司 | Detection machine for ultrasonic fusion joining effect of plastic component |
| CN108444910A (en) * | 2018-05-16 | 2018-08-24 | 江门市朗达锂电池有限公司 | A kind of foot pulling force full inspection device and method |
| CN109932314A (en) * | 2019-04-13 | 2019-06-25 | 苏州埃缇益自动化科技有限公司 | Counter weight type product bond strength test machine |
| CN114166481A (en) * | 2021-11-08 | 2022-03-11 | 浙江省轻工业品质量检验研究院 | Plug-in panel damping testing device |
| CN115014943A (en) * | 2022-06-09 | 2022-09-06 | 广东嘉元科技股份有限公司 | Copper foil tension testing device |
| CN117249932A (en) * | 2023-09-18 | 2023-12-19 | 广东艾斯瑞仪器科技有限公司 | Pulling and inserting force testing machine with automatic alignment function |
-
2014
- 2014-11-18 CN CN201420692932.2U patent/CN204269474U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043864A (en) * | 2015-05-29 | 2015-11-11 | 深圳市共进电子股份有限公司 | Detection machine for ultrasonic fusion joining effect of plastic component |
| CN105043864B (en) * | 2015-05-29 | 2019-04-23 | 深圳市共进电子股份有限公司 | Plastic parts ultrasonic welding effect detection machine |
| CN108444910A (en) * | 2018-05-16 | 2018-08-24 | 江门市朗达锂电池有限公司 | A kind of foot pulling force full inspection device and method |
| CN109932314A (en) * | 2019-04-13 | 2019-06-25 | 苏州埃缇益自动化科技有限公司 | Counter weight type product bond strength test machine |
| CN114166481A (en) * | 2021-11-08 | 2022-03-11 | 浙江省轻工业品质量检验研究院 | Plug-in panel damping testing device |
| CN114166481B (en) * | 2021-11-08 | 2023-08-22 | 浙江省轻工业品质量检验研究院 | Inserted panel damping testing device |
| CN115014943A (en) * | 2022-06-09 | 2022-09-06 | 广东嘉元科技股份有限公司 | Copper foil tension testing device |
| CN117249932A (en) * | 2023-09-18 | 2023-12-19 | 广东艾斯瑞仪器科技有限公司 | Pulling and inserting force testing machine with automatic alignment function |
| CN117249932B (en) * | 2023-09-18 | 2024-03-19 | 广东艾斯瑞仪器科技有限公司 | Pulling and inserting force testing machine with automatic alignment function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 |