CN211877623U - Device for testing tensile property of pipe - Google Patents
Device for testing tensile property of pipe Download PDFInfo
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- CN211877623U CN211877623U CN202020486660.6U CN202020486660U CN211877623U CN 211877623 U CN211877623 U CN 211877623U CN 202020486660 U CN202020486660 U CN 202020486660U CN 211877623 U CN211877623 U CN 211877623U
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- tubular product
- pipe
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- anchor piece
- festival section
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Abstract
The utility model provides a test tubular product tensile property's device, including the tubular product festival section, the structure of putting more energy into, the anchor piece, jack and force transducer, the both ends of tubular product festival section are anchored respectively in the anchor piece, the anchor piece that locates tubular product festival section both ends is located its side self-balancing top along the longitudinal direction of tubular product festival section through a pair of and above jack, force transducer arranges in between the anchor piece of jack and one side and is connected in the jack, the both ends of tubular product festival section bury the anchor piece together with the both ends of tubular product festival section through the mode that sets up the structure of putting more energy into, constitute a test tubular product tensile property's device jointly. The utility model discloses principle method is simple, can accurately test out the tensile strength of tubular product, need not to measure like traditional mode section, also need not separately to measure in the face of compound tubular product, is suitable for tubular product of different length and size to test, and application scope is wide.
Description
Technical Field
The utility model relates to a tubular product capability test device, concretely relates to test tubular product tensile strength's device belongs to material capability test technical field.
Background
The pipe is a tubular object with various cross-sectional forms, which is made of different materials by related equipment and technologies, and mainly comprises a metal pipe, a plastic pipe, a composite material pipe, a natural fiber pipe and the like. These forms of pipe play an increasingly important role in the fields of municipal and construction engineering. Plastics or PVC pipes are used for conveying energy in the field of municipal engineering, and steel pipes are manufactured by utilizing good mechanical properties of steel in building engineering and serve as important stress structures. However, how to determine the mechanical properties of the pipes used becomes a difficult problem.
Scholars at home and abroad have relevant researches on tensile property, compressive property and other properties of various materials, but the structural characteristics of the pipes are difficult to directly test. The existing method is to cut a pipe into a dog bone shape and perform related research on a tensile testing machine, for the pipe in a composite material form, such as an FRP wrapped steel pipe, the tensile properties of the steel pipe and FRP cloth can be respectively tested through the tensile testing machine by slicing and cutting raw materials, and then the corresponding tensile properties of the whole member can be obtained through theoretical calculation of the test results.
However, the method cannot accurately test the overall tensile property of the pipe material with a single material or the pipe material with a combined form, and particularly, for the pipe material compounded by multiple materials, the method of respectively measuring the multiple materials cannot effectively test the actual mechanical property of the combined pipe material, so that the accurate data related to the tensile property of the pipe material to be tested is difficult to obtain.
Disclosure of Invention
The utility model aims at providing a test tubular product tensile property's device, the principle method is simple, can accurately test out the tensile strength of tubular product or compound tubular product, need not to separately test through the section mode like traditional mode, be suitable for tubular product of different length and size to be experimental, application scope is wide, and the setting through the stiffening structure has promoted the anchor power between tubular product festival section and the anchor piece effectively, it is even to guarantee through the synchronous jacking system simultaneous control jack of PLC that tubular product is drawn the cross-section atress, but the tubular product festival section nested spiral muscle in the anchor piece prevents effectively that the anchor piece from damaging in advance in the testing process.
The technical scheme of the utility model is that: the utility model provides a test tubular product tensile property's device, a serial communication port, including the tubular product festival section, the structure of putting more energy into, the anchor piece, jack and force transducer, the both ends of tubular product festival section are anchored respectively in the anchor piece, the anchor piece that locates tubular product festival section both ends is located its side self-balancing top along the longitudinal direction of tubular product festival section through a pair of and above jack, force transducer arranges in between the anchor piece of jack and one side and is connected with the jack, force transducer's reading reflects the pulling force of tubular product festival section test part, the both ends of tubular product festival section are buried in the anchor piece through setting up the mode of the structure of putting more energy into together with the both ends of tubular product festival section, constitute a test tubular product tensile property.
The utility model discloses the device is through preparation tubular product segment, installation stiffening structure, cast-in-place anchor piece, the installation jack, installation force sensor, place slider, carry out tensile test and realize the test to the tubular product axial tensile strength that awaits measuring, stiffening structure and anchor piece combined action anchor compound steel pipe both ends, can ensure through the synchronous jacking system simultaneous control jack of PLC that the tubular product segment is drawn the cross-section atress even, but the tubular product segment nested spiral muscle in the anchor piece prevents effectively that the anchor piece from damaging in advance in the testing process.
The pipe section is a pipe to be tested, and the pipe section is one of a metal pipe, a plastic pipe, a composite material pipe, a natural fiber pipe or a composite pipe.
The stiffening structure and the pipe segment in the anchoring block are fixedly connected with each other in a welding connection mode, a bolt connection mode, a pin connection mode and an adhesive connection mode.
The periphery of the pipe segment in the anchoring block is provided with annular reinforcing ribs which are reinforced by spiral reinforcing steel bars or spiral FRP bars.
And the jacks arranged on the pipe sections are controlled by a PLC synchronous jacking system.
The anchoring block is made of one or more of reinforced concrete, fiber concrete and ultrahigh-performance concrete.
The maximum jacking force of the jack is larger than 0.5 time of the calculated ultimate tensile strength of the pipe section, and the elongation of the jack is larger than 1.5 times of the ultimate tensile length of the test part of the pipe section.
The utility model discloses the advantage is showing, has following beneficial effect:
(1) the utility model provides a tubular product can't reach the data inaccuracy that tensile strength leads to through direct measurement.
(2) Compared with the traditional test method, the composite pipe is effectively and integrally measured more effectively, and the measurement data is more real and reliable.
(3) The test piece is simple to prepare and convenient to operate, the anchoring devices are additionally arranged at the two ends, so that the whole section of the pipe can be pulled, the test failure caused by insufficient anchoring force is effectively avoided, and the test result is accurate.
(4) Through using the synchronous jacking system control jack of PLC, the pulling force size that evenly accurately controlled tubular product received to prevent that the jack from causing the inclined to one side of tubular product to draw destruction not synchronous.
(5) The device is not limited by the section form of the material, and is suitable for pipes with different section forms.
(6) The anchor block is prevented from being damaged in advance in the test by the modes of setting reinforced concrete, ultrahigh-performance concrete, sleeving spiral ribs and the like in the anchor block, and the effective performance of the experiment is ensured.
Description of the drawings:
FIG. 1 is a top cross-sectional view of an apparatus for testing the tensile properties of tubing;
FIG. 2 is a front cross-sectional view of an apparatus for testing the tensile properties of tubing;
FIG. 3 is a schematic view of an anchoring block provided with a spiral rib of the device for testing the tensile property of the pipe;
FIG. 4 is a cross-sectional view of a stiffening structure of an apparatus for testing the tensile properties of a pipe (the stiffening structure being disposed circumferentially in series);
FIG. 5 is a cross-sectional view of a stiffening structure of an apparatus for testing tensile properties of pipes (the stiffening structure is arranged in a strip shape at intervals);
FIG. 6 is a cross-sectional view of a stiffening structure of an apparatus for testing the tensile properties of a pipe (the stiffening structure is pinned);
FIG. 7 is a cross-sectional view of a stiffening structure of an apparatus for testing tensile properties of a pipe (the stiffening structure is disposed at intervals like ribs);
in the drawings, 1 is a tubing segment; 2 is a stiffening structure; 3 is an anchoring block; 31 is a reinforcing rib; 4 is a jack; and 5 is a force sensor.
The specific implementation mode is as follows:
in order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. The utility model provides a test tubular product tensile strength's device, a serial communication port, including tubular product festival section 1, stiffening structure 2, anchor piece 3, jack 4 and force sensor 5, the both ends of tubular product festival section 1 are anchored respectively in anchor piece 3, locate the anchor piece 3 at tubular product festival section 1 both ends through a pair of and above jack 4 along the vertical side self-balancing top that lies in of tubular product festival section 1, force sensor 5 arrange in between the anchor piece 3 of jack 4 and one side and be connected with jack 4, force sensor 5's reading reaction tubular product festival section 1 test part's pulling force, tubular product festival section 1 both ends bury anchor piece 3 together through the mode that sets up stiffening structure 2 and tubular product festival section 1's both ends, constitute a test tubular product tensile strength's device jointly.
Example (b):
as shown in the attached drawings of the specification, the stiffening structure of the device of the utility model can be arranged in the modes of surrounding stiffening, arranging stiffening blocks at intervals, penetrating stiffening ribs, arranging stiffening ribs and the like, firstly, the two ends of the pipe segment 1 are processed, the stiffening structure 2 is arranged in the anchoring area of the pipe segment 1 by adopting the modes of gluing, welding and the like, templates at the two ends of the pipe segment 1 are set up, binding a reinforcement cage in the template and forming an anchoring block 3 by the concrete to prevent the concrete from losing efficacy in advance in the experimental process, spiral ribs 31 can be sleeved on the pipe sections 1 in the anchoring blocks 3, a jack 4 is erected and connected to a PLC synchronous jacking system after the anchoring blocks 3 are maintained to the required strength, a force sensor 5 is installed between the jack 4 and the anchoring blocks 3, the jack 4 is controlled by a PLC synchronous jacking system to uniformly pull the to-be-tested piece, and the reading of the force sensor 5 is the pulling force applied to the testing part of the pipe section 1.
The pipe section 1 is a pipe to be tested, and is one of a metal pipe, a plastic pipe, a composite material pipe, a natural fiber pipe or a composite pipe.
The stiffening structure 2 and the pipe segment 1 in the anchoring block 3 are fixedly connected with each other in a connecting mode of welding connection, bolt connection, pin connection and adhesive connection.
The periphery of the pipe segment 1 in the anchoring block 3 is provided with a circumferential reinforcing rib 31 which is reinforced by a spiral reinforcing steel bar or a spiral FRP bar.
And the jack 4 arranged on the pipe segment 1 is controlled by a PLC synchronous jacking system.
The anchoring block 3 is made of one or more of reinforced concrete, fiber concrete and ultrahigh-performance concrete.
The maximum jacking force of the jack 4 is greater than 0.5 time of the calculated ultimate tensile strength of the pipe section 1, and the elongation of the jack 4 is greater than 1.5 times of the ultimate tensile length of the test part of the pipe section 1.
Claims (7)
1. The utility model provides a test tubular product tensile strength's device, a serial communication port, including tubular product festival section (1), stiffening structure (2), anchor piece (3), jack (4) and force transducer (5), the both ends of tubular product festival section (1) are anchored respectively in anchor piece (3), locate anchor piece (3) at tubular product festival section (1) both ends through vertically being located its side self-balancing top of a pair of and above jack (4) along tubular product festival section (1), force transducer (5) are arranged in between anchor piece (3) of jack (4) and one side and are connected with jack (4), bury anchor piece (3) together at the both ends of tubular product festival section (1) through the mode that sets up stiffening structure (2) and the both ends of tubular product festival section (1) together, constitute a test tubular product tensile strength's device jointly.
2. The apparatus for testing tensile strength of pipe according to claim 1, wherein the pipe segment (1) is a pipe to be tested, which is one of metal pipe, plastic pipe, composite material pipe, natural fiber pipe or composite pipe.
3. The device for testing the tensile property of the pipe according to claim 1, wherein the stiffening structure (2) and the pipe segments (1) in the anchoring block (3) are fixedly connected with each other in a manner of welding, bolting, pinning and gluing.
4. The device for testing the tensile property of the pipe as claimed in claim 1, wherein the circumference of the pipe segment (1) in the anchoring block (3) is provided with a circumferential reinforcing rib (31) which is one of a spiral reinforcing bar or a spiral FRP rib.
5. The apparatus for testing tensile strength of tubular goods according to claim 1, wherein the jacks (4) installed on the tubular goods segments (1) are controlled by a PLC synchronous jacking system.
6. The device for testing the tensile property of the pipe according to claim 1, wherein the anchoring block (3) is made of one or more of reinforced concrete, fiber concrete and ultra-high performance concrete.
7. An apparatus for testing tensile properties of pipes according to claim 1, wherein the jack (4) has a maximum jacking force greater than 0.5 times the calculated ultimate tensile strength of the pipe segment (1), and the jack (4) has an elongation greater than 1.5 times the ultimate tensile length of the test portion of the pipe segment (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020486660.6U CN211877623U (en) | 2020-04-07 | 2020-04-07 | Device for testing tensile property of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020486660.6U CN211877623U (en) | 2020-04-07 | 2020-04-07 | Device for testing tensile property of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211877623U true CN211877623U (en) | 2020-11-06 |
Family
ID=73250974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020486660.6U Active CN211877623U (en) | 2020-04-07 | 2020-04-07 | Device for testing tensile property of pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211877623U (en) |
-
2020
- 2020-04-07 CN CN202020486660.6U patent/CN211877623U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhenjiang Heng An Civil Technology Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000368 Denomination of utility model: A device for testing the tensile properties of pipes Granted publication date: 20201106 License type: Common License Record date: 20201212 Assignee: BEIJING JIUTONGQU TESTING TECHNOLOGY Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000367 Denomination of utility model: A device for testing the tensile properties of pipes Granted publication date: 20201106 License type: Common License Record date: 20201212 Assignee: Hefei Shuang Dao run Highway Engineering Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000366 Denomination of utility model: A device for testing the tensile properties of pipes Granted publication date: 20201106 License type: Common License Record date: 20201212 |
|
| EE01 | Entry into force of recordation of patent licensing contract |