CN110174318A - A kind of axial shear strength test equipment of polyurethane plastics - Google Patents
A kind of axial shear strength test equipment of polyurethane plastics Download PDFInfo
- Publication number
- CN110174318A CN110174318A CN201910546176.XA CN201910546176A CN110174318A CN 110174318 A CN110174318 A CN 110174318A CN 201910546176 A CN201910546176 A CN 201910546176A CN 110174318 A CN110174318 A CN 110174318A
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- China
- Prior art keywords
- fixed
- pedestal
- shear strength
- screw
- strength test
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of axial shear strength test equipment of polyurethane plastics, belong to the axial shear strength test technical field of polyurethane plastics, now propose following scheme, it includes pedestal, the top side of the pedestal is provided with support frame, side is equipped with shearing test electrical cabinet in the middle part of the top surface of the pedestal, the top side of the pedestal is fitted with motor adjustable plate, the top of the motor adjustable plate is installed by motor, the output shaft of the motor is fitted with ball-screw by flange, secure fit has sliding panel on the sliding end of the ball-screw, sinusoidal tension sensor is fixed at the top of the sliding panel, the end of the second detection fixture is provided with wirerope and connect with sinusoidal tension sensor.Whether the present invention meets heat supply standard and provides specific data reference to polyurethane in identification insulating tube and the cementing firmness of outer protection tube.
Description
Technical field
The present invention relates to the axial shear strength test technical field of polyurethane plastics more particularly to a kind of polyurethane plastics
Axial shear strength test equipment.
Background technique
Utilidor insulating layer axial direction shear strength test equipment is to measure insulating layer (foamed polyurethane layer and PE
Outer protection tube) by external force squeeze reverse in the case where adhesive force it is whether up to standard and make a kind of test equipment, it is of the invention
A kind of research and development manufacture of the axial shear strength test equipment of polyurethane plastics has been filled up such detection project in the market and has not been examined
The blank of measurement equipment.Whether polyurethane in identification insulating tube and the cementing firmness of outer protection tube are met by heat supply standard and provides tool
The data reference of body.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of axis of the polyurethane plastics proposed
To shear strength test equipment.
To achieve the goals above, present invention employs following technical solutions:
A kind of axial shear strength test equipment of polyurethane plastics, including pedestal, the top side setting of the pedestal
There is support frame, side is equipped with shearing test electrical cabinet in the middle part of the top surface of the pedestal, and the top side of the pedestal is coupled
There is motor adjustable plate, motor is installed at the top of the motor adjustable plate, and the output shaft of the motor is fitted with by flange
Ball-screw, secure fit has sliding panel on the sliding end of the ball-screw, and sinusoidal drawing is fixed at the top of the sliding panel
Force snesor；
The top arranged on left and right sides of the support frame is respectively and fixedly provided with vertical adjustment positioning plate, divides on two adjustment positioning plates
It is not placed with the first detection fixture, the second detection fixture, it is logical that the first detection fixture and second detect fixture one end close to each other
It crosses curved splint and is fixed with tested plasticized polyurethane materials and parts, the top front and rear sides of the support frame is provided with fixed quilt
The fixed mechanism of the plasticized polyurethane materials and parts rear and front end of test；
The end of the second detection fixture is provided with wirerope and connect with sinusoidal tension sensor.
Preferably, universal wheel is equipped at the angle of the bottom of the pedestal four, the side of universal wheel is equipped with adjustable height
Supporting pad, wherein supporting pad includes thread bush, threaded rod and foot pad, and thread bush is fixed on the bottom of pedestal, threaded rod screw thread
It is arranged in thread bush, the lower end of threaded rod is rotatably installed in the top of foot pad by bearing.
Preferably, the fixed mechanism includes locating piece, support rod, adjusts pressing plate, T-type feed screw nut, screw rod and driving lever,
The locating piece is bolted on the top of support frame, and the top arranged on left and right sides of support frame is respectively and fixedly provided with vertical support
Bar is fixed with adjustment clamping plate by nut on support rod, is fitted with T-type feed screw nut, institute at the top of the adjustment pressing plate
It states worm drive in T-type feed screw nut and is combined with screw rod, the lower end of screw rod is fixed with compact heap, and the top two sides of screw rod are fixed
There is driving lever.
Preferably, the positioning matched with tested plasticized polyurethane materials and parts shape is equipped in the middle part of the top surface of the locating piece
Slot.
Preferably, shield is also equipped on the output end of the motor.
Preferably, be also equipped with screw rodb base at the top of the pedestal, the two sides of screw rodb base be separately installed with front end panel, after
Support plate, and ball screw is fitted to front end panel, on rear bearing sheet.
Preferably, the bottom of the sliding panel is fixed with sliding block, is fixed with and leads between the front end panel, rear bearing sheet
Rail, sliding block are slidably matched on the slide rail.
Preferably, it is fixed with fixed pulley bracket on the right side of the screw rodb base, fixed pulley, and steel are installed on fixed pulley bracket
Cord passes through the bottom of fixed pulley.
Preferably, the shearing test electrical cabinet is fixed on the top of pedestal, the shearing test by electrical box bracket
The digital display cycle time relay of 220V, and model DH48S-S are additionally provided at the top of electrical cabinet.
Compared with prior art, it is only stayed the beneficial effects of the present invention are: crust and polyurethane are removed in test specimens pipe both ends
Steel tubing portions, intermediate test section retain insulating layer and steel pipe, and length is not less than 200mm, and steel pipe both ends are sticked into fixed mechanism lock
Tightly, the length anchor ear of the first detection fixture, the second detection fixture is buckled on insulating tube PE crust and is locked, opened electric motor starting and press
Button, test force value start, and start ball screw rotary motion after motor, and sinusoidal tension sensor Mobile base is driven to tighten steel wire
The upper fixing end of rope, wirerope pulls long anchor ear to make rotating motion, and the insulating layer for keeping anchor ear fixed is done relative to fixed steel pipe to be revolved
Turn shearing, such detection project in the market has been filled up in the research and development manufacture of this equipment does not have the blank of detection device.Identification is kept the temperature
Whether polyurethane and the cementing firmness of outer protection tube meet heat supply standard and provide specific data reference in managing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the axial shear strength test equipment of polyurethane plastics proposed by the present invention.
Fig. 2 is a kind of three-dimensional figure of the axial shear strength test equipment of polyurethane plastics proposed by the present invention.
Fig. 3 is the structural schematic diagram of the first detection fixture in Fig. 2.
Fig. 4 is the structural schematic diagram of the second detection fixture in Fig. 2.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, the axial shear strength test equipment of a kind of polyurethane plastics, including pedestal 1, the top of pedestal 1
Side is provided with support frame 2, and side is equipped with shearing test electrical cabinet 28 in the middle part of the top surface of pedestal 1, and the top side of pedestal 1 cooperates
Motor adjustable plate 25 is installed, motor 22 is installed at the top of motor adjustable plate 25, and the output shaft of motor 22 is cooperated by flange 24
Ball-screw 19 is installed, secure fit has sliding panel 14 on the sliding end of ball-screw 19, and the top of sliding panel 14 is fixed with
Sinusoidal tension sensor 29；
The top arranged on left and right sides of support frame 2 is respectively and fixedly provided with vertical adjustment positioning plate 26, divides on two adjustment positioning plates 26
It is not placed with the first detection fixture 9, second detection fixture 11, the first detection fixture 9 and the second detection fixture 11 are close to each other
One end is fixed with tested plasticized polyurethane materials and parts by curved splint, and the top front and rear sides of support frame 2 is provided with fixation
The fixed mechanism of tested plasticized polyurethane materials and parts rear and front end；
The end of second detection fixture 11 is provided with wirerope 23 and connect with sinusoidal tension sensor 29.
In present embodiment, universal wheel 18 is equipped at the angle of bottom four of pedestal 1, the side of universal wheel is equipped with adjustable
The supporting pad 20 of height, wherein supporting pad 20 includes thread bush, threaded rod and foot pad, and thread bush is fixed on the bottom of pedestal 1, spiral shell
Rasp bar screw thread is arranged in thread bush, and the lower end of threaded rod is rotatably installed in the top of foot pad by bearing.
In present embodiment, fixed mechanism includes locating piece 3, support rod 4, adjustment pressing plate 10, T-type feed screw nut 5, screw rod
7 and driving lever 8, locating piece be bolted on the top of support frame 2, the top arranged on left and right sides of support frame 2 is respectively and fixedly provided with vertically
Support rod 4, adjustment clamping plate 10 is fixed with by nut on support rod 4, the top of adjustment pressing plate 10 is fitted with T-type screw rod
Nut 5, worm drive are combined with screw rod 7 in T-type feed screw nut 5, and the lower end of screw rod 7 is fixed with compact heap 6, screw rod 7 it is upper
Portion two sides are fixed with driving lever 8.
It is equipped in present embodiment, in the middle part of the top surface of locating piece 3 and to be matched with tested plasticized polyurethane materials and parts shape
Locating slot.
In present embodiment, shield 31 is also equipped on the output end of motor 22.
In present embodiment, the top of pedestal 1 is also equipped with screw rodb base 21, and the two sides of screw rodb base 21 are separately installed with preceding branch
Fagging 16, rear bearing sheet 17, and ball screw 19 is fitted to front end panel 16, on rear bearing sheet 17.
In present embodiment, the bottom of sliding panel 14 is fixed with sliding block 13, fixed between front end panel 16, rear bearing sheet 17
There is guide rail 12, sliding block 13 is slidably fitted on sliding rail 12.
In present embodiment, the right side of screw rodb base 21 is fixed with fixed pulley bracket 30, and it is fixed to be equipped on fixed pulley bracket 30
Pulley, and wirerope 23 passes through the bottom of fixed pulley.
In present embodiment, shearing test electrical cabinet 28 is fixed on the top of pedestal 1 by electrical box bracket 27, and shearing is surveyed
The top of examination electrical cabinet 28 is additionally provided with the digital display cycle time relay 32 of 220V, and model DH48S-S.
In the use of the present invention, crust is removed at test specimens pipe both ends and polyurethane only stays steel tubing portions, intermediate test section
Retain insulating layer and steel pipe, length is not less than 200mm, steel pipe both ends are sticked into fixed mechanism locking, by first detect fixture 9,
The length anchor ear of second detection fixture 11, which is buckled on insulating tube PE crust, locks, and opens electric motor starting button, and test force value starts,
19 rotary motion of ball screw after starting motor drives sinusoidal 29 Mobile base of tension sensor to tighten wirerope 23, wirerope 23
Upper fixing end pull long anchor ear to make rotating motion, the insulating layer for keeping anchor ear fixed does rotational shear relative to fixed steel pipe, this
Such detection project in the market has been filled up in the research and development manufacture of equipment does not have the blank of detection device.To polyurethane in identification insulating tube
And whether the cementing firmness of outer protection tube meets heat supply standard and provides specific data reference.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of axial shear strength test equipment of polyurethane plastics, including pedestal (1), which is characterized in that the pedestal (1)
Top side be provided with support frame (2), side is equipped with shearing test electrical cabinet (28) in the middle part of the top surface of the pedestal (1), institute
The top side for stating pedestal (1) is fitted with motor adjustable plate (25), and motor is installed at the top of the motor adjustable plate (25)
(22), the output shaft of the motor (22) is fitted with ball-screw (19) by flange (24), the ball-screw (19)
Sliding end on secure fit have sliding panel (14), be fixed with sinusoidal tension sensor (29) at the top of the sliding panel (14)；
The top arranged on left and right sides of the support frame (2) is respectively and fixedly provided with vertical adjustment positioning plate (26), two adjustment positioning plates
(26) the first detection fixture (9), the second detection fixture (11), the first detection fixture (9) and the second detection folder are placed on respectively
Tool (11) one end close to each other is fixed with tested plasticized polyurethane materials and parts, the top of the support frame (2) by curved splint
Portion's front and rear sides is provided with the fixed mechanism of fixed tested plasticized polyurethane materials and parts rear and front end；
The end of second detection fixture (11) is provided with wirerope (23) and connect with sinusoidal tension sensor (29).
2. a kind of axial shear strength test equipment of polyurethane plastics according to claim 1, which is characterized in that described
It being equipped with universal wheel (18) at the angle of bottom four of pedestal (1), the side of universal wheel is equipped with height-adjustable supporting pad (20),
Wherein supporting pad (20) includes thread bush, threaded rod and foot pad, and thread bush is fixed on the bottom of pedestal (1), and threaded rod screw thread is set
It sets in thread bush, the lower end of threaded rod is rotatably installed in the top of foot pad by bearing.
3. a kind of axial shear strength test equipment of polyurethane plastics according to claim 1, which is characterized in that described
Fixed mechanism includes locating piece (3), support rod (4), adjusts pressing plate (10), T-type feed screw nut (5), screw rod (7) and driving lever (8),
The locating piece is bolted on the top of support frame (2), and the top arranged on left and right sides of support frame (2) is respectively and fixedly provided with vertically
Support rod (4), adjustment clamping plate (10), the top cooperation of adjustment pressing plate (10) are fixed with by nut on support rod (4)
It is equipped with T-type feed screw nut (5), worm drive are combined with screw rod (7) in the T-type feed screw nut (5), the lower end of screw rod (7)
It is fixed with compact heap (6), the top two sides of screw rod (7) are fixed with driving lever (8).
4. a kind of axial shear strength test equipment of polyurethane plastics according to claim 3, which is characterized in that described
The locating slot matched with tested plasticized polyurethane materials and parts shape is equipped in the middle part of the top surface of locating piece (3).
5. a kind of axial shear strength test equipment of polyurethane plastics according to claim 1, which is characterized in that described
Shield (31) are also equipped on the output end of motor (22).
6. a kind of axial shear strength test equipment of polyurethane plastics according to claim 1, which is characterized in that described
It is also equipped at the top of pedestal (1) screw rodb base (21), the two sides of screw rodb base (21) are separately installed with front end panel (16), rear support
Plate (17), and ball screw (19) is fitted to front end panel (16), on rear bearing sheet (17).
7. a kind of axial shear strength test equipment of polyurethane plastics according to claim 6, which is characterized in that described
The bottom of sliding panel (14) is fixed with sliding block (13), and the front end panel (16), rear bearing sheet are fixed with guide rail between (17)
(12), sliding block (13) is slidably fitted on sliding rail (12).
8. a kind of axial shear strength test equipment of polyurethane plastics according to claim 6, which is characterized in that described
It is fixed on the right side of screw rodb base (21) fixed pulley bracket (30), fixed pulley bracket is equipped with fixed pulley, and wirerope on (30)
(23) bottom of fixed pulley is passed through.
9. a kind of axial shear strength test equipment of polyurethane plastics according to claim 1, which is characterized in that described
Shearing test electrical cabinet (28) is fixed on the top of pedestal (1), the shearing test electrical cabinet by electrical box bracket (27)
(28) the digital display cycle time relay (32) of 220V, and model DH48S-S are additionally provided at the top of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546176.XA CN110174318A (en) | 2019-06-24 | 2019-06-24 | A kind of axial shear strength test equipment of polyurethane plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546176.XA CN110174318A (en) | 2019-06-24 | 2019-06-24 | A kind of axial shear strength test equipment of polyurethane plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110174318A true CN110174318A (en) | 2019-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910546176.XA Pending CN110174318A (en) | 2019-06-24 | 2019-06-24 | A kind of axial shear strength test equipment of polyurethane plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110174318A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050193829A1 (en) * | 2004-03-06 | 2005-09-08 | Thomas Brinz | Device for testing material properties with regard to combined tensile and shear loads, in particular for testing adhesives |
| CN102175601B (en) * | 2010-12-24 | 2013-12-18 | 燕山大学 | Testing machine for evaluating cementing compound anti-torsion shearing performance |
| CN104180976A (en) * | 2013-05-21 | 2014-12-03 | 贺尔碧格传动技术控股有限公司 | Method for testing quality of synchronizer rings and tool unit for performing this method |
| CN104692273A (en) * | 2014-12-26 | 2015-06-10 | 华南农业大学 | Tension adjusting device and method for steel wire ropes of bidirectional traction type rail transport machine |
| CN205315632U (en) * | 2016-01-05 | 2016-06-15 | 合肥泰禾光电科技股份有限公司 | Rotary motion changes linear movement device |
| CN105729338A (en) * | 2014-12-08 | 2016-07-06 | 山东双轮股份有限公司 | Submersible sewage pump housing universal pressure test tool |
| CN106395704A (en) * | 2016-08-30 | 2017-02-15 | 北京航空航天大学 | Traction unit of target support rotary table with two supporting mechanisms and one suspension mechanism |
| CN107063598A (en) * | 2017-04-11 | 2017-08-18 | 北京航空航天大学 | A kind of labyrinth stiffness parameters automatic test platform |
| CN211013863U (en) * | 2019-06-24 | 2020-07-14 | 天津旭迪聚氨酯保温防腐设备有限公司 | Axial shear strength test equipment of polyurethane plastics |
-
2019
- 2019-06-24 CN CN201910546176.XA patent/CN110174318A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050193829A1 (en) * | 2004-03-06 | 2005-09-08 | Thomas Brinz | Device for testing material properties with regard to combined tensile and shear loads, in particular for testing adhesives |
| CN102175601B (en) * | 2010-12-24 | 2013-12-18 | 燕山大学 | Testing machine for evaluating cementing compound anti-torsion shearing performance |
| CN104180976A (en) * | 2013-05-21 | 2014-12-03 | 贺尔碧格传动技术控股有限公司 | Method for testing quality of synchronizer rings and tool unit for performing this method |
| CN105729338A (en) * | 2014-12-08 | 2016-07-06 | 山东双轮股份有限公司 | Submersible sewage pump housing universal pressure test tool |
| CN104692273A (en) * | 2014-12-26 | 2015-06-10 | 华南农业大学 | Tension adjusting device and method for steel wire ropes of bidirectional traction type rail transport machine |
| CN205315632U (en) * | 2016-01-05 | 2016-06-15 | 合肥泰禾光电科技股份有限公司 | Rotary motion changes linear movement device |
| CN106395704A (en) * | 2016-08-30 | 2017-02-15 | 北京航空航天大学 | Traction unit of target support rotary table with two supporting mechanisms and one suspension mechanism |
| CN107063598A (en) * | 2017-04-11 | 2017-08-18 | 北京航空航天大学 | A kind of labyrinth stiffness parameters automatic test platform |
| CN211013863U (en) * | 2019-06-24 | 2020-07-14 | 天津旭迪聚氨酯保温防腐设备有限公司 | Axial shear strength test equipment of polyurethane plastics |
Non-Patent Citations (1)
| Title |
|---|
| 沈旭等: "聚氨酯直埋保温管道切向剪切试验装置的设计", 《机电产品开发与创新》 * |
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Application publication date: 20190827 |