CN205404068U - Impact fatigue testing machine is with anchor clamps of full degree of freedom restraint - Google Patents
Impact fatigue testing machine is with anchor clamps of full degree of freedom restraint Download PDFInfo
- Publication number
- CN205404068U CN205404068U CN201620147115.8U CN201620147115U CN205404068U CN 205404068 U CN205404068 U CN 205404068U CN 201620147115 U CN201620147115 U CN 201620147115U CN 205404068 U CN205404068 U CN 205404068U
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- screw rod
- clamp system
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- clamping
- sample
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Abstract
The utility model discloses an impact fatigue testing machine is with anchor clamps of full degree of freedom restraint. General anchor clamps are unable under the reciprocal impact of impact fatigue testing machine guarantees that the clamping is reliable, may lead to anchor clamps itself to produce even and damage. The utility model discloses constitute to pressing from both sides tight self -locking mechanism to clamping mechanism and Z to clamping mechanism, Z to clamping mechanism, Y by roll adjustment mechanism, X, roll adjustment mechanism is used for adjusting the sample that two sample supporting seat intervals adapt to different length, X is used for press from both sides tight sample, the restraint sample whole degrees of freedom to clamping mechanism and Z to clamping mechanism to clamping mechanism, Y, Z is used for preventing to pressing from both sides tight self -locking mechanism that the Z on impact direction is not hard up to clamping mechanism. The utility model discloses can be used to clamping impact fatigue rectangular cross section sample for the testing machine, can retrain whole degrees of freedom of sample, and be equipped with self -lock device at impact direction, can guarantee the reliability and the security of sample clamping.
Description
Technical field
This utility model belongs to clamp art, relates to the fixture that a kind of impact fatigue testing machine retrains with full degree of freedom, is specifically designed to clamping and is subject to the rectangular section sample of the vertical reciprocating impact effect of impact fatigue testing machine.
Background technology
The parts of mechanical system stand repeatedly repeated impact effect sometimes, need to evaluate its impact fatigue characteristic.At present, also there is not matured product in domestic impact fatigue testing machine, and the fixture for clamping impact fatigue testing machine sample quite lacks especially.It is different from the vertical clamping of existing fatigue machine, the sample of repeated impact test is generally adopted the clamping mode of horizontal direction, and reciprocating impact effect it is subject to incessantly because of sample, general fixture cannot ensure that clamping is reliable, in some instances it may even be possible to can cause that fixture itself produces to damage.
Summary of the invention
The purpose of this utility model is to clamp the rectangular section sample of different length for impact fatigue testing machine fixture, and it cannot be guaranteed that the defect such as safe and reliable of clamping sample under percussion, the fixture that a kind of impact fatigue testing machine retrains with full degree of freedom is proposed, this fixture can be used for the rectangular section sample of clamping arbitrary dimension, and all degree of freedom of sample can be retrained, and on impact direction, it is provided with self-locking device, it is ensured that the reliability and security of specimen clamping.
The technical solution adopted in the utility model is:
This utility model is made up of to clamp system, Y-direction clamp system, Z-direction clamp system and Z-direction clamping self-locking mechanism distance adjustor, X；Described distance adjustor regulate two pieces of slide blocks along Y-direction in opposite directions or reverse sync slide；Described slide block is provided with X to clamp system and Y-direction clamp system；Described X includes screw rod installing rack, guide pin bushing, X to screw rod, clamping block, clamping block baffle plate and sample support seat to clamp system；The slide block of described sample support seat and distance adjustor connects firmly；A screw rod installing rack is fixed by screw is each in sample support seat two ends；Described X constitutes revolute pair to screw rod with screw rod installing rack；X is respectively arranged at two ends with left hand thread and right-handed thread to screw rod, and two guide pin bushings constitute screw pair with left hand thread and right-handed thread respectively；Each guide pin bushing fixes one piece of clamping block by screw.Described Y-direction clamp system includes Y-direction screw rod and bracing frame；Described bracing frame is fixed by screws on the slide block of distance adjustor；Described Y-direction screw rod constitutes screw pair with bracing frame；Y-direction clamp system is provided with Z-direction clamp system and Z-direction clamping self-locking mechanism；Described Z-direction clamp system includes Z-direction screw rod and briquetting；The bracing frame of described Z-direction screw rod and Y-direction clamp system constitutes screw pair；The bottom of Z-direction screw rod connects firmly briquetting.
Described Z-direction clamping self-locking mechanism is made up of the fixing seat of spring leaf, buckle, ratchet, pin, ratchet, buckle slot and spring leaf；The fixing seat of described spring leaf and buckle slot are fixed on the bracing frame of Y-direction clamp system each through screw；One end of spring leaf is bolted on the fixing seat of spring leaf, the other end under buckle snap action with detent contact；Buckle is arranged in buckle slot；Described ratchet constitutes revolute pair by the bracing frame of pin with Y-direction clamp system, and engages with ratchet under spring leaf effect；Described ratchet connects firmly on the Z-direction screw rod of Z-direction clamp system.
Described distance adjustor is made up of base, rocking handle, rotation axle, bearing, driving gear, driven gear, two-way ball-screw, nut and slide block；Described rotation axle is supported in the base by bearing；Described rocking handle connects firmly in the one end rotating axle, and driving gear connects firmly at the other end rotating axle；Two two-way ball-screws are symmetricly set on driving gear both sides, and all form revolute pair with base；The driven gear connected firmly on two-way ball-screw engages with driving gear；The rotary orientation at two-way ball-screw two ends is contrary, and constitutes screw pair with a nut respectively；Two nuts that on two two-way ball-screws, rotation direction is identical and same slide block are connected by screw；Two pieces of slide block bottom surfaces all contact with susceptor surface, form moving sets.
Described X to screw rod one end, Y-direction screw rod one end and Z-direction screw tip be all fixedly connected with handle.
Described clamping block is provided with scale.
Every piece of clamping block both sides clamp block baffle plate with two pieces and contact, and clamping block baffle plate is fixed by screws on sample support seat.
This utility model has the advantages that
1, this utility model can clamp the rectangular section sample of different length for repeated impact test；
2, this utility model can retrain the six-freedom degree of sample, and arranges redundancy clip always latch mechanism on impact direction, makes that specimen clamping is relatively reliable, safety；
3, this utility model is with low cost, takes up space little, and dismounting is easily, it is easy to maintenance.
Accompanying drawing explanation
Fig. 1 is this utility model establishment of coordinate system and the schematic diagram of zero demarcation；
Fig. 2 is this utility model clamping schematic diagram when having a sample；
Fig. 3 is schematic diagram during the non-clamping sample of this utility model；
Fig. 4 is the schematic diagram of distance adjustor in this utility model；
Fig. 5 is the schematic diagram of mechanism of distance adjustor in this utility model；
Fig. 6 be in this utility model X to the schematic diagram of clamp system；
Fig. 7 is the schematic diagram of Y-direction in this utility model, Z-direction clamp system；
Fig. 8 is the schematic diagram of this utility model ZhongZXiang clamping self-locking mechanism.
In figure: 1, base, 2, rocking handle, 3, rotate axle, 4, bearing, 5, driving gear, 6 driven gears, 7, two-way ball-screw, 8, nut, 9, slide block, 10, screw rod installing rack, 11, guide pin bushing, 12, X is to screw rod, 13, clamping block, 14, clamping block baffle plate, 15, sample support seat, 16, sample, 17, Z-direction screw rod, 18, briquetting, 19, Z-direction clamping self-locking mechanism, 19-1, spring leaf, 19-2, buckle, 19-3, ratchet, 19-4, pin, 19-5, ratchet, 19-6, buckle slot, 19-7, seat fixed by spring leaf, 20, bracing frame, 21, Y-direction screw rod.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1,2 and 3, the fixture that impact fatigue testing machine retrains with full degree of freedom, it is made up of to clamp system, Y-direction clamp system, Z-direction clamp system and Z-direction clamping self-locking mechanism 19 distance adjustor, X.Distance adjustor is for regulating two sample support distance between seats from the sample adapting to different length；X is used for clamping sample to clamp system, Y-direction clamp system and Z-direction clamp system, retrains the whole degree of freedom of sample；Z-direction clamping self-locking mechanism loosens for preventing the Z-direction clamp system on impact direction.
As shown in Figures 4 and 5, distance adjustor is made up of base 1, rocking handle 2, rotation axle 3, bearing 4, driving gear 5, driven gear 6, two-way ball-screw 7, nut 8 and slide block 9；Rotate axle 3 to be bearing in base 1 by bearing 4；Rocking handle 2 connects firmly in the one end rotating axle 3, and driving gear 5 connects firmly at the other end rotating axle 3；Two two-way ball-screws 7 are symmetricly set on driving gear 5 both sides, and all form revolute pair with base 1；The driven gear 6 connected firmly on two-way ball-screw 7 engages with driving gear 5；The rotary orientation at two-way ball-screw 7 two ends is contrary, and constitutes screw pair with a nut 8 respectively；Two nuts 8 and same slide block 9 that on two two-way ball-screws 7, rotation direction is identical are connected by screw；Two pieces of slide block 9 bottom surfaces all contact with base 1 surface, form moving sets；Slide block 9 is provided with X to clamp system and Y-direction clamp system；The size of base 1 needs design according to special impact fatigue testing machine, and is fixed in impact fatigue testing machine frame.
As shown in Figure 6, X includes screw rod installing rack 10, guide pin bushing 11, X to screw rod 12, clamping block 13, clamping block baffle plate 14 and sample support seat 15 to clamp system；The slide block 9 of sample support seat 15 and distance adjustor connects firmly；A screw rod installing rack 10 is fixed by screw is each in sample support seat 15 two ends；X constitutes revolute pair to screw rod 12 and screw rod installing rack 10；X is fixedly connected with handle to screw rod 12 one end；X is respectively arranged at two ends with left hand thread and right-handed thread to screw rod 12, and two guide pin bushings 11 constitute screw pair with left hand thread and right-handed thread respectively；Each guide pin bushing 11 fixes one piece of clamping block 13 by screw；Clamping block 13 is provided with scale；Every piece of clamping block 13 both sides contact with two pieces of clamping block baffle plates 14, with ensure to clamp block 13 straight along X to movement；Clamping block baffle plate 14 is fixed by screws on sample support seat 15.
As it is shown in fig. 7, Y-direction clamp system includes Y-direction screw rod 21 and bracing frame 20；Bracing frame 20 is fixed by screws on the slide block 9 of distance adjustor；Y-direction screw rod 21 and bracing frame 20 constitute screw pair；Y-direction screw rod 21 one end is fixedly connected with handle.Y-direction clamp system is provided with Z-direction clamp system and Z-direction clamping self-locking mechanism 19；Z-direction clamp system includes Z-direction screw rod 17 and briquetting 18；The bracing frame 20 of Z-direction screw rod 17 and Y-direction clamp system constitutes screw pair；The top of Z-direction screw rod 17 is fixedly connected with handle, and bottom connects firmly briquetting 18.
As shown in Figure 8, Z-direction clamping self-locking mechanism 19 is made up of the fixing seat 19-7 of spring leaf 19-1, buckle 19-2, ratchet 19-3, pin 19-4, ratchet 19-5, buckle slot 19-6 and spring leaf；The fixing seat 19-7 and buckle slot 19-6 of spring leaf is fixed on the bracing frame 20 of Y-direction clamp system each through screw；One end of spring leaf 19-1 is bolted on the fixing seat 19-7 of spring leaf, and the other end contacts with ratchet 19-3 under buckle 19-2 snap action；Buckle 19-2 is arranged in buckle slot 19-6；Ratchet 19-3 constitutes revolute pair by the bracing frame 20 of pin 19-4 with Y-direction clamp system, and engages with ratchet 19-5 under spring leaf 19-1 effect；Ratchet 19-5 connects firmly on the Z-direction screw rod 17 of Z-direction clamp system.
The fixture that this impact fatigue testing machine retrains with full degree of freedom, operation principle is as follows:
(1) clamping sample
First according to the distance between the length adjustment two sample support seat 15 of sample 16: rotation crank 2; rocking handle 2 drives two-way ball-screw 7 to rotate by rotation axle 3, driving gear 5, driven gear 6, two-way ball-screw 7 drives two slide blocks 9 towards or away from slip on base 1 by nut 8.After regulating, sample 16 is placed on two sample support seats 15, according to the scale on clamping block 13, makes sample 16 two ends length on two sample support seats 15 equal, regulate two Y-direction screw rods 21 again through turning handle, make two Y-direction screw rods 21 withstand sample 16.Then passing through turning handle drives X to screw rod 12, makes X drive clamping block 13 to clamp sample 16 to screw rod 12 by guide pin bushing 11.Then, drive Z-direction screw rod 17 by turning handle, make the briquetting 18 of Z-direction screw rod 17 end push down sample 16.Finally, rotate each handle successively, sample 16 is clamped locking.
(2) sample is unloaded
nullAfter off-test，When preparing to unload sample 16，First move trip spring sheet position in buckle 19-2 to buckle slot 19-6，Buckle 19-2 no longer acts on spring leaf 19-1，The lower spring sheet 19-1 of situation without active force separates with ratchet 19-3，Stir ratchet 19-3 so as to separate with ratchet 19-5，Being rotated further by handle makes Z-direction screw rod 17 move upward，Separate with sample 16，Then regulating other handle makes clamping block 13 and Y-direction screw rod 21 separate with sample 16，Then sample 16 is taken off，Finally stir ratchet 19-3，Ratchet 19-3 is made to engage with ratchet 19-5，Garter spring sheet position in mobile buckle 19-2 to buckle slot 19-6，Make buckle 19-2 garter spring sheet 19-1，So that spring leaf 19-1 holds out against ratchet 19-3，Ensure that ratchet 19-3 engages with ratchet 19-5 with this，Realize the self-locking of fixture.
Claims (5)
1. the fixture that impact fatigue testing machine retrains with full degree of freedom, be made up of to clamp system, Y-direction clamp system, Z-direction clamp system and Z-direction clamping self-locking mechanism distance adjustor, X, it is characterised in that: described distance adjustor regulate two pieces of slide blocks along Y-direction in opposite directions or reverse sync slide；Described slide block is provided with X to clamp system and Y-direction clamp system；Described X includes screw rod installing rack, guide pin bushing, X to screw rod, clamping block, clamping block baffle plate and sample support seat to clamp system；The slide block of described sample support seat and distance adjustor connects firmly；A screw rod installing rack is fixed by screw is each in sample support seat two ends；Described X constitutes revolute pair to screw rod with screw rod installing rack；X is respectively arranged at two ends with left hand thread and right-handed thread to screw rod, and two guide pin bushings constitute screw pair with left hand thread and right-handed thread respectively；Each guide pin bushing fixes one piece of clamping block by screw；Described Y-direction clamp system includes Y-direction screw rod and bracing frame；Described bracing frame is fixed by screws on the slide block of distance adjustor；Described Y-direction screw rod constitutes screw pair with bracing frame；Y-direction clamp system is provided with Z-direction clamp system and Z-direction clamping self-locking mechanism；Described Z-direction clamp system includes Z-direction screw rod and briquetting；The bracing frame of described Z-direction screw rod and Y-direction clamp system constitutes screw pair；The bottom of Z-direction screw rod connects firmly briquetting；
Described Z-direction clamping self-locking mechanism is made up of the fixing seat of spring leaf, buckle, ratchet, pin, ratchet, buckle slot and spring leaf；The fixing seat of described spring leaf and buckle slot are fixed on the bracing frame of Y-direction clamp system each through screw；One end of spring leaf is bolted on the fixing seat of spring leaf, the other end under buckle snap action with detent contact；Buckle is arranged in buckle slot；Described ratchet constitutes revolute pair by the bracing frame of pin with Y-direction clamp system, and engages with ratchet under spring leaf effect；Described ratchet connects firmly on the Z-direction screw rod of Z-direction clamp system.
2. the fixture that impact fatigue testing machine according to claim 1 retrains with full degree of freedom, it is characterised in that: described distance adjustor is made up of base, rocking handle, rotation axle, bearing, driving gear, driven gear, two-way ball-screw, nut and slide block；Described rotation axle is supported in the base by bearing；Described rocking handle connects firmly in the one end rotating axle, and driving gear connects firmly at the other end rotating axle；Two two-way ball-screws are symmetricly set on driving gear both sides, and all form revolute pair with base；The driven gear connected firmly on two-way ball-screw engages with driving gear；The rotary orientation at two-way ball-screw two ends is contrary, and constitutes screw pair with a nut respectively；Two nuts that on two two-way ball-screws, rotation direction is identical and same slide block are connected by screw；Two pieces of slide block bottom surfaces all contact with susceptor surface, form moving sets.
3. the fixture that impact fatigue testing machine according to claim 1 retrains with full degree of freedom, it is characterised in that: described X to screw rod one end, Y-direction screw rod one end and Z-direction screw tip be all fixedly connected with handle.
4. the fixture that impact fatigue testing machine according to claim 1 retrains with full degree of freedom, it is characterised in that: described clamping block is provided with scale.
5. the fixture that impact fatigue testing machine according to claim 1 retrains with full degree of freedom, it is characterised in that: every piece of clamping block both sides clamp block baffle plate with two pieces and contact, and clamping block baffle plate is fixed by screws on sample support seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620147115.8U CN205404068U (en) | 2016-02-26 | 2016-02-26 | Impact fatigue testing machine is with anchor clamps of full degree of freedom restraint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620147115.8U CN205404068U (en) | 2016-02-26 | 2016-02-26 | Impact fatigue testing machine is with anchor clamps of full degree of freedom restraint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205404068U true CN205404068U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620147115.8U Withdrawn - After Issue CN205404068U (en) | 2016-02-26 | 2016-02-26 | Impact fatigue testing machine is with anchor clamps of full degree of freedom restraint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205404068U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571808A (en) * | 2016-02-26 | 2016-05-11 | 浙江理工大学 | Clamp with all-freedom constraints for impact fatigue testing machine |
| CN106840861A (en) * | 2017-01-13 | 2017-06-13 | 绍兴文理学院 | Dynamic rock mechanics tests various sizes of sample positioning device |
| CN108344628A (en) * | 2018-02-05 | 2018-07-31 | 沈阳航空航天大学 | Five degree of freedom for aviation pipe rotating repeated bend test machine adjusts tailstock |
| CN108692906A (en) * | 2018-07-16 | 2018-10-23 | 西安航空制动科技有限公司 | A kind of inertial load experiment collision cohesion device |
| CN110441129A (en) * | 2019-08-08 | 2019-11-12 | 格力电器（武汉）有限公司 | A kind of Coating Durability test equipment |
| CN116499669A (en) * | 2023-06-25 | 2023-07-28 | 合肥航谱时代科技有限公司 | Titanium alloy double-spiral spring fatigue testing device |
-
2016
- 2016-02-26 CN CN201620147115.8U patent/CN205404068U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571808A (en) * | 2016-02-26 | 2016-05-11 | 浙江理工大学 | Clamp with all-freedom constraints for impact fatigue testing machine |
| CN106840861A (en) * | 2017-01-13 | 2017-06-13 | 绍兴文理学院 | Dynamic rock mechanics tests various sizes of sample positioning device |
| CN108344628A (en) * | 2018-02-05 | 2018-07-31 | 沈阳航空航天大学 | Five degree of freedom for aviation pipe rotating repeated bend test machine adjusts tailstock |
| CN108692906A (en) * | 2018-07-16 | 2018-10-23 | 西安航空制动科技有限公司 | A kind of inertial load experiment collision cohesion device |
| CN108692906B (en) * | 2018-07-16 | 2024-02-09 | 西安航空制动科技有限公司 | Collision enclasping device for inertial load test |
| CN110441129A (en) * | 2019-08-08 | 2019-11-12 | 格力电器（武汉）有限公司 | A kind of Coating Durability test equipment |
| CN116499669A (en) * | 2023-06-25 | 2023-07-28 | 合肥航谱时代科技有限公司 | Titanium alloy double-spiral spring fatigue testing device |
| CN116499669B (en) * | 2023-06-25 | 2023-09-08 | 合肥航谱时代科技有限公司 | Titanium alloy double-spiral spring fatigue testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20171201 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20171201 |