CN205138892U - A sample and anchor clamps for being directed at compound pressure pipe of bamboo is carried out axial tension brute force and is tested - Google Patents
A sample and anchor clamps for being directed at compound pressure pipe of bamboo is carried out axial tension brute force and is tested Download PDFInfo
- Publication number
- CN205138892U CN205138892U CN201520654866.4U CN201520654866U CN205138892U CN 205138892 U CN205138892 U CN 205138892U CN 201520654866 U CN201520654866 U CN 201520654866U CN 205138892 U CN205138892 U CN 205138892U
- Authority
- CN
- China
- Prior art keywords
- sample
- pressure pipe
- axial tension
- clamp
- composite pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a carry out the sample and the special fixture of the powerful test of axial tension to the compound pressure pipe of bamboo, this sample along the axial sample of the compound pressure pipe of bamboo of the examination of awaiting measuring, it includes two centre gripping heads that the structure is the same and lies in between two centre gripping heads parallel section in the middle of, the length of centre gripping head be L1, the width be B, the length of centre parallel section is L2, the width is b, and B > b, be provided with the chamfer with middle parallel section transitional coupling on the centre gripping head, these anchor clamps include the upper and lower clamp that two longitudinal symmetry settings and structure are the same, and its pull rod and mould that all includes integrated into one piece, mould are used for the centre gripping head of centre gripping sample, and it is U type fork structure, and the inboard of two fork portions of this U type fork structure is provided with and falls the inclined plane of angular contact. The utility model discloses a test of the powerful quick accuracy of the compound pressure pipe axial tension of bamboo can be realized to above -mentioned sample and special fixture, has advantages such as simple structure, convenient operation.
Description
Technical field
The utility model belongs to mechanics properties ofpiping test sample and field of fixtures, more specifically, relates to a kind of sample and fixture for performing axial tension strength test to bamboo composite pressure pipe.
Background technology
Bamboo composite pressure pipe is a kind of is matrix material with bamboo wood, take thermoset resin as tackifier, adopt the novel pressure pipeline that winding process is made, the characteristics such as this novel pressure pipeline has that compressive resistance is high, good rigidity, insulation, corrosion resistant, current excellent performance, lightweight, easy for installation, with low cost, long service life, can be widely used in the fields such as urban water supply and sewerage, water conservancy, field irrigation, petroleum waste water process, industrial circulating water.
Bamboo composite pressure pipe rolls off the production line after finished product, for the pipeline used under different occasion, need using the axis of the pipeline size that can meet with stresses to measure, namely its axial tension brute force is tested, determine whether the mechanical property of bamboo composite pressure pipe under action of pulling stress and tensile strength meet product quality and production requirement with this.Because bamboo composite pressure pipe is the special pressure pipeline being matrix with bamboo wood and making with winding process, also do not have in prior art a kind of simple effectively and can be used for performing bamboo composite pressure pipe sample and the fixture of axial tension strength test comparatively accurately.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of sample for performing axial tension strength test to bamboo composite pressure pipe, wherein in conjunction with the feature of bamboo composite pressure pipe self, devise accordingly and be applicable to the sample that bamboo composite pressure pipe performs axial tension strength test, and the critical process of this sample and technological parameter version as samples and size are studied and designed, effectively can prepare accordingly and be applicable to the sample that bamboo composite pressure pipe performs axial tension strength test, have and prepare advantage simply and easily, meanwhile, the utility model have also been devised for clamping the unit clamp of sample in execution axial tension strength test process, and it is simple that this fixture has structure, easy to operate advantage.
For achieving the above object, according to an aspect of the present utility model, propose a kind of sample for performing axial tension strength test to bamboo composite pressure pipe, it is characterized in that, this sample samples along the axis of bamboo composite pressure pipe to be tested, and the total length of described sample is L, and it comprises the identical clamping head of two structures and the intermediate parallel sections between described two clamping heads, wherein, the length of described clamping head is L
1, width is B, the length of described intermediate parallel section is L
2, width is b, and B > b; Described clamping head is provided with the chamfering be connected with the transition of described intermediate parallel section; The total length L of described sample, the length L of intermediate parallel section
2, clamping the width B of head, the width b of intermediate parallel section choose relevant with the nominal diameter of bamboo composite pressure pipe, when 150mm≤DN≤600mm, L gets 140-160mm, L
2get 50mm, B to get 30mm, b and get 6mm; As 600mm < DN≤1200mm, L gets 160-180mm, L
2get 60mm, B to get 40mm, b and get 8mm; As DN > 1200mm, L gets 180-200mm, L
2get 70mm, B to get 40mm, b and get 10mm.
As preferred further, described chamfering is 45 °.
According to another aspect of the present utility model, propose a kind of fixture for performing axial tension strength test to bamboo composite pressure pipe, this fixture comprises about two be symmetrical arranged and the identical upper clamp of structure and lower clamp for clamping fixture described in described sample, wherein:
This upper clamp comprises integrated upper connecting rod (2) and pull-up mould (3), wherein, described pull-up mould (3) for clamp described sample one of them described in clamp head, it is U-shaped fork structure, the inner side of two forks of this U-shaped fork structure is provided with inclined-plane, and the angle of inclination on described inclined-plane is identical with the angle of described chamfering;
This lower clamp comprises integrated lower link (2 ') and drop-down mould (3 '), wherein, described drop-down mould (3 ') for clamp described sample another described in clamp head, it is U-shaped fork structure, the inner side of two forks of this U-shaped fork structure is provided with inclined-plane, and the angle of inclination on described inclined-plane is identical with the angle of described chamfering.
As preferred further, when performing axial tension strength test, described inclined-plane realizes face closely with the chamfering on described clamping head and contacts, and ensures that two clamping heads of sample are stated in described pull-up mould and drop-down mould clamping residence with this.
As preferred further, the distance L between two forks of described U-shaped fork structure
3be greater than the width B of described clamping head.
In general, the above technical scheme conceived by the utility model compared with prior art, mainly possesses following technological merit:
1. the utility model be matrix material in conjunction with bamboo composite pressure pipe with bamboo wood, take thermoset resin as adhesive, the feature that adopts winding process to make, devise the sample that the bamboo composite pressure pipe being applicable to have said structure performs axial tension strength test accordingly, research & design is carried out to the design of sample and shape and structure and size simultaneously, prepare simple and convenient, be convenient to the quick test of bamboo composite pressure pipe axial tension brute force.
2. the utility model is also studied for the fixture clamping sample in execution axial tension strength test process, devise and be applicable to the unit clamp that bamboo composite pressure pipe performs axial tension strength test, it is simple that this fixture has structure, workable advantage.
Accompanying drawing explanation
Fig. 1 is the tensile sample schematic diagram of bamboo composite pressure pipe;
Fig. 2 is the unit clamp schematic diagram for performing axial tension strength test.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
A kind of sample for performing axial tension strength test to bamboo composite pressure pipe of the present utility model, as shown in Figure 1, this sample 1 samples along the axis of bamboo composite pressure pipe to be tested, the total length of sample is L, it comprises the identical clamping head of two structures and the intermediate parallel section between two clamping heads, wherein, the length clamping head is L
1, width is B, the length of intermediate parallel section is L
2, width is b, and B > b, L=2L
1+ L
2, clamping head is provided with the chamfering of 45 ° to be connected with the transition of intermediate parallel section.
Wherein, the total length L of sample, the length L of intermediate parallel section
2, the clamping width B of head, the width b of intermediate parallel section choose relevant with the nominal diameter of bamboo composite pressure pipe, selective rule is as shown in table 1, the length L of clamping head
1according to the length L of total length L and intermediate parallel section
2utilize computing formula L=2L
1+ L
2can determine.
Table 1 tensile sample dimensional units is millimeter (mm)
| Nominal diameter scope DN | Total length L | Length L 2 | Width B | Width b |
| 150≤DN≤600 | 140-160 | 50 | 30 | 6 |
| 600＜DN≤1200 | 160-180 | 60 | 40 | 8 |
| DN＞1200 | 180-200 | 70 | 40 | 10 |
The utility model have also been devised a set of unit clamp, for clamping sample bamboo composite pressure pipe being performed to axial tension strength test, as shown in Figure 2, it is for clamping test sample in the utility model to carry out axial tension strength test, this unit clamp comprises about two and is symmetrical arranged and the identical upper clamp of shape and structure and lower clamp, upper clamp comprises integrated upper connecting rod 2 and pull-up mould 3, wherein, pull-up mould 3 is for clamping one of them clamping head of sample, it is U-shaped fork structure, the distance L between two forks of this U-shaped fork structure
3be greater than the width B of sample holder head, and the inner side of two fork bottoms is provided with and the inclined-plane that the chamfering clamped on head adapts (angle of inclination on inclined-plane is identical with the angle of chamfering), when performing axial tension strength test, this inclined-plane realizes face closely with the chamfering on clamping head and contacts, ensure that pull-up mould 3 just in time can clamp the clamping head of sample with this, and drive sample to carry out axial tension; Lower clamp comprises integrated lower link 2 ' and drop-down mould 3 ', and wherein, drop-down mould 3 ' is for clamping another clamping head of sample, and it is U-shaped fork structure, the distance L between two forks of this U-shaped fork structure
3be greater than the width B of sample holder head, and the inner side on two fork tops is provided with and the inclined-plane that the chamfering clamped on head adapts (angle of inclination on inclined-plane is identical with the angle of chamfering), when performing axial tension strength test, this inclined-plane realizes face closely with the chamfering on clamping head and contacts, ensure that drop-down mould 3 ' just in time can clamp the clamping head of sample with this, and drive sample to carry out axial tension.
Before the unit clamp utilizing the utility model the to design sample clamped in the utility model carries out axial tension strength test, first, the pull-up mould 3 of U-shaped fork structure is clamped one of them clamping head of sample, the inclined-plane of two forks of U-shaped fork structure is contacted with the fillet surface of this clamping head, the drop-down mould 3 ' of U-shaped fork structure is clamped another clamping head of sample, the inclined-plane of two forks of the U-shaped fork structure of drop-down mould 3 ' is contacted with the fillet surface of this clamping head, make sample 1 thus between pull-up mould 3 and drop-down mould 3 ', then upper connecting rod 2 and lower link 2 ' are arranged on tension tester, by controlling the pull-up of pull-up mould 3, the drop-down test that can realize the axial tension brute force of bamboo composite pressure pipe of drop-down mould 3 '.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. one kind for performing the sample of axial tension strength test to bamboo composite pressure pipe, it is characterized in that, this sample samples along the axis of bamboo composite pressure pipe to be tested, the total length of described sample is L, it comprises the identical clamping head of two structures and the intermediate parallel sections between described two clamping heads, wherein, the length of described clamping head is L
1, width is B, the length of described intermediate parallel section is L
2, width is b, and B > b; Described clamping head is provided with the chamfering be connected with the transition of described intermediate parallel section; The total length L of described sample, the length L of intermediate parallel section
2, clamping the width B of head, the width b of intermediate parallel section choose relevant with the nominal diameter of bamboo composite pressure pipe, when 150mm≤DN≤600mm, L gets 140-160mm, L
2get 50mm, B to get 30mm, b and get 6mm; As 600mm < DN≤1200mm, L gets 160-180mm, L
2get 60mm, B to get 40mm, b and get 8mm; As DN > 1200mm, L gets 180-200mm, L
2get 70mm, B to get 40mm, b and get 10mm.
2., as claimed in claim 1 for performing the sample of axial tension strength test to bamboo composite pressure pipe, it is characterized in that, described chamfering is 45 °.
3. one kind for performing the fixture of axial tension strength test to bamboo composite pressure pipe, it is characterized in that, this fixture is for clamping sample as claimed in claim 1 or 2, and described fixture comprises about two and is symmetrical arranged and the identical upper clamp of structure and lower clamp, wherein:
This upper clamp comprises integrated upper connecting rod (2) and pull-up mould (3), wherein, described pull-up mould (3) for clamp described sample one of them described in clamp head, it is U-shaped fork structure, the inner side of two forks of this U-shaped fork structure is provided with inclined-plane, and the angle of inclination on described inclined-plane is identical with the angle of described chamfering;
This lower clamp comprises integrated lower link (2 ') and drop-down mould (3 '), wherein, described drop-down mould (3 ') for clamp described sample another described in clamp head, it is U-shaped fork structure, the inner side of two forks of this U-shaped fork structure is provided with inclined-plane, and the angle of inclination on described inclined-plane is identical with the angle of described chamfering.
4. as claimed in claim 3 for performing the fixture of axial tension strength test to bamboo composite pressure pipe, it is characterized in that, when performing axial tension strength test, described inclined-plane realizes face closely with the chamfering on described clamping head and contacts, and ensures that described pull-up mould (3) and drop-down mould (3 ') clamp two clamping heads of described sample with this.
5., as claimed in claim 4 for performing the fixture of axial tension strength test to bamboo composite pressure pipe, it is characterized in that, the distance L between two forks of described U-shaped fork structure
3be greater than the width B of described clamping head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654866.4U CN205138892U (en) | 2015-08-27 | 2015-08-27 | A sample and anchor clamps for being directed at compound pressure pipe of bamboo is carried out axial tension brute force and is tested |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654866.4U CN205138892U (en) | 2015-08-27 | 2015-08-27 | A sample and anchor clamps for being directed at compound pressure pipe of bamboo is carried out axial tension brute force and is tested |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205138892U true CN205138892U (en) | 2016-04-06 |
Family
ID=55624674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520654866.4U Active CN205138892U (en) | 2015-08-27 | 2015-08-27 | A sample and anchor clamps for being directed at compound pressure pipe of bamboo is carried out axial tension brute force and is tested |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205138892U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741355A (en) * | 2017-09-25 | 2018-02-27 | 天能电池集团有限公司 | A kind of method for detecting electrolytic lead and pyrogenic process lead bullion |
| CN110132729A (en) * | 2019-06-12 | 2019-08-16 | 辽宁科技大学 | A kind of tiny axial tension test fixture of plant |
-
2015
- 2015-08-27 CN CN201520654866.4U patent/CN205138892U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741355A (en) * | 2017-09-25 | 2018-02-27 | 天能电池集团有限公司 | A kind of method for detecting electrolytic lead and pyrogenic process lead bullion |
| CN110132729A (en) * | 2019-06-12 | 2019-08-16 | 辽宁科技大学 | A kind of tiny axial tension test fixture of plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105181446A (en) | Method for detecting initial circumferential tensile strength of bamboo composite pressure pipe | |
| CN205138892U (en) | A sample and anchor clamps for being directed at compound pressure pipe of bamboo is carried out axial tension brute force and is tested | |
| CN103344494A (en) | Straw stretching property test device | |
| CN105403457B (en) | Carbon fiber enhancement resin base thin-walled composite pipe tensile property test method | |
| CN204944938U (en) | For performing the sample of hoop tensile strength test to bamboo composite pressure pipe | |
| CN103048190A (en) | Tensile test fixture for tensile testing machine | |
| CN203495271U (en) | Clamp used for machining excircle of hollow shaft part | |
| CN104792610A (en) | Clamping device for carbon fiber composite material pipeline test specimen | |
| CN204228518U (en) | Tubing drawing by high temperature machine fixture | |
| CN204818841U (en) | Stainless steel pipe fitting cutting and fixing device | |
| CN105259029A (en) | Non-casting steel wire rope tensile test clamping device | |
| CN204666441U (en) | A kind of special steel drawn samples inspection during manufacture fixture | |
| CN202140711U (en) | Fast seal joint | |
| CN202336596U (en) | Three-jaw chuck | |
| CN204771638U (en) | But return bend anchor clamps of accurate positioning | |
| CN210759956U (en) | Positioning rule for multi-component material in combined member | |
| CN204228514U (en) | A kind of stretching uses standard sample connector | |
| CN202041418U (en) | Test specimen with two straight-waist-shaped side surfaces for testing tension and compression performance of composite material thick laminated plate | |
| CN104295847A (en) | Steel pipe connecting structure | |
| CN202336600U (en) | Expansion clamp head | |
| CN204008321U (en) | A kind of test unit that is applicable to the test of ultralow temperature steel bar stretching | |
| CN204867960U (en) | Frock is used in welding of fiber tube evaporimeter centre gripping | |
| CN205749120U (en) | A kind of novel concrete tensile test bar | |
| CN220019175U (en) | Drawing device for building detection | |
| CN205074560U (en) | Turning clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230310 Address after: 311122 No. 29-16, Jiaqi Road, Xianlin Street, Yuhang District, Hangzhou, Zhejiang Patentee after: Zhonglin Xinzhou Bamboo Winding Development Co.,Ltd. Address before: 311115 No.6 Xiuyan Road, Fengdu village, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG XINZHOU BAMBOO-BASED COMPOSITES TECHNOLOGY Co.,Ltd. Patentee before: Ye Ling |