CN101813575B - Bending resistance test device for valve - Google Patents

Bending resistance test device for valve Download PDF

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Publication number
CN101813575B
CN101813575B CN201010175618A CN201010175618A CN101813575B CN 101813575 B CN101813575 B CN 101813575B CN 201010175618 A CN201010175618 A CN 201010175618A CN 201010175618 A CN201010175618 A CN 201010175618A CN 101813575 B CN101813575 B CN 101813575B
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CN
China
Prior art keywords
link
valve
rod
bending resistance
resistance test
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Expired - Fee Related
Application number
CN201010175618A
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Chinese (zh)
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CN101813575A (en
Inventor
卓旦春
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Zhejiang world HVAC technology Co Ltd
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卓旦春
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Priority to CN201010175618A priority Critical patent/CN101813575B/en
Publication of CN101813575A publication Critical patent/CN101813575A/en
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Publication of CN101813575B publication Critical patent/CN101813575B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention provides a bending resistance test device for a valve, belonging to the technical field of machinery and solving the problems of difficult operation of the bending resistance of the traditional valve, high cost and potential safety hazard existing in operation. The bending resistance test device for the valve comprises a base, a connecting rod 1 and a connecting rod 2, wherein a force applying mechanism is fixed on the base, one end of the connecting rod 1 can be connected with one end of the valve and the other end can be fixedly connected with the force applying mechanism, the force applying mechanism can ensure the connecting rod 1 to bear a radial action force when the force applying mechanism is operated; and one end of the connecting rod 2 can be connected with the other end of the valve, and a force measurer capable of measuring a radial force-loading value of the connecting rod 2 is arranged between the other end of the connecting rod 2 and the base. The bending resistance test device for the valve has the advantages of simple structure, small occupation space, convenient operation and accurate measurement values.

Description

Bending resistance test device for valve
Technical field
The invention belongs to field of mechanical technique, relate to a kind of proving installation, particularly a kind of bending resistance test device for valve.
Background technology
Valve is people's one of engineering parts commonly used in producing of living, and along with the development of society and the progress of science and technology, product is when not only upgrading and upgrade, and the product quality detection is also paid attention to widely.
To the examination criteria of valve, country has issued the coherent detection standard, for the bending resistance test of valve, has done clear and definite explanation among the GB/T8464-2008, but has specifically used equipment not elaborate.In the actual detected process, the pipe fitting of at first generally respectively screwing at the valve two ends, and support in place; The object that operating weight is suitable then acts on valve body, this traditional mode, and not only operating difficulties, and cost is high, has potential safety hazard in the work.
Summary of the invention
The objective of the invention is to have the problems referred to above to existing technology, proposed a kind of bending resistance test device for valve of simple in structure, easy to operate, accurate testing.
The object of the invention can be realized through following technical proposal: a kind of bending resistance test device for valve; It is characterized in that; This device comprises base, connecting link one and connecting link two, on base, is fixed with force application mechanism, and an end of described connecting link one can link to each other with an end of valve; The other end of connecting link one is connected with force application mechanism mutually, and when handling force application mechanism, can make connecting link one receive radial effect power; One end of described connecting link two can link to each other with the other end of valve, is provided with the dynamometer that can measure connecting link two radial force values between the other end of connecting link two and the base.
Connecting link one in this proving installation can be according to the present model that be complementary with it of the size of valve to be measured with connecting link two, and easy to connect and firm between connecting link one and connecting link two and the valve, the while can be satisfied the needs of a plurality of valves of the same model of test.Connecting link one and connecting link two are with after the two ends of valve to be measured link to each other; Force application mechanism applies radial effect power to connecting link one; Dynamometer is measured the opposition numerical value of connecting link two with respect to connecting link two suffered acting forces, can express valve bending resistance to be measured accurately and can judge that this valve to be measured is when denying conformance with standard according to this numerical value.
This device includes only base, connecting link, dynamometer, force application mechanism, has advantage simple in structure and that occupy little space.This device adopts dynamometer to measure connecting link two suffered acting forces, and it is accurate to have the numerical value of measurement, can improve and judge whether standard compliant accuracy of product.
In above-mentioned bending resistance test device for valve, described force application mechanism comprises lifting jack, and the body-fixed of lifting jack is on base, and the compression bar of lifting jack is connected with connecting link one mutually.Lifting jack is a kind of usable range instrument widely, can from market, buy, have simultaneously easy to operate, the big and highly little advantage of lifting of lifting weight.It is more convenient that this device is used, and reduce manufacturing cost.
In above-mentioned bending resistance test device for valve, described force application mechanism comprises hydraulic cylinder and the hydraulic pump that is connected with hydraulic cylinder, and the cylinder body of described hydraulic cylinder is fixed on the base, and the piston rod of hydraulic cylinder is connected with connecting link one mutually.Hydraulic cylinder is the hydraulic actuator that hydraulic pressure can be changed into mechanical energy, its simple in structure, reliable operation.Operating hydraulically operated pump can make the piston rod of hydraulic cylinder flexible, and drive connecting link one moves stably.
In above-mentioned bending resistance test device for valve, be fixed with support on the compression bar of described lifting jack or the piston rod of hydraulic cylinder, above-mentioned connecting link one is fixed on the support through demountable structure.This structure is convenient for changing connecting link one, makes connecting link one select the connecting link one that be complementary according to the model of valve to be measured two, so make this device can test the more valve of polytypic, improved range of application.
In above-mentioned bending resistance test device for valve, described dynamometry is counted tension dynamometer, and the body-fixed of tension dynamometer is on base, and the hook of tension dynamometer links to each other with connecting link two.Dynamometer is between connecting link two and base, and above-mentioned force application mechanism is only done the lifting campaign to connecting link one, makes connecting link two have the movement tendency of lifting simultaneously, selects for use tension dynamometer can make this apparatus structure more simple thus, uses more convenient.
In above-mentioned bending resistance test device for valve, described connecting link two comprises the body of rod and the connector that removably connects with the body of rod one end, and the hook of above-mentioned tension dynamometer links to each other with the other end of the body of rod.This structure can make things convenient for being connected between connecting link two and valve and the dynamometer, also can make connector change different connectors according to different valve models simultaneously.The length of connecting link two should be much larger than the length of connecting link one in this device, and the length of connecting link two is about 1 meter, and this length can meet GB/T8464-2 008 regulation, can reduce the required range of dynamometer again, reduces the cost of processing this device.
In above-mentioned bending resistance test device for valve, described body of rod end face has connecting hole, and an end of above-mentioned connector penetrates connecting hole, and the described body of rod is provided with register pin, and this register pin can radially pass the body of rod and connector.
In above-mentioned bending resistance test device for valve, link to each other with suspension hook through suspension ring between the described body of rod and the tension dynamometer.
Compared with prior art, this bending resistance test device for valve have simple in structure and occupy little space, easy to operate, measure numerical value advantage accurately.
Description of drawings
Fig. 1 is the structural representation of this bending resistance test device for valve.
Among the figure, 1, base; 2, connecting link one; 3, connecting link two; 31, connector; 32, the body of rod; 33, register pin; 34, connecting hole; 4, lifting jack; 5, support; 6, dynamometer; 7, suspension ring; 8, suspension hook.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
Embodiment one
As shown in Figure 1, this bending resistance test device for valve comprises base 1, connecting link 1, connecting link 23, lifting jack 4, dynamometer 6.
Specifically, connecting link 1 is horizontally disposed with and the one of which end can link to each other through screw thread with an end of valve, and the other end of connecting link 1 is connected with the below that lifting jack 4 and lifting jack 4 are positioned at connecting link 1.The body-fixed of lifting jack 4 is on base 1, and the compression bar of lifting jack 4 is connected with connecting link 1 mutually, and when handling lifting jack 4, the compression bar of lifting jack 4 is lifting connecting link 1 vertically.This lifting jack 4 can be hydraulic jack 4 or mechanic jacks 4.
On the compression bar of lifting jack 4, be fixed with support 5, have fixed orifice on the support 5, the other end of connecting link 1 is fixed on the fixed orifice place through demountable structure.Demountable structure can for connecting link 1 through being threaded on the support 5 or connecting link 1 passes fixed orifice and is connected with set nut.The connecting link 1 that connecting link 1 can be complementary according to the valve selection and the above-mentioned valve of different model, thus make this device can test the valve of different model, improved range of application.
Also for being horizontally disposed with, connecting link 23 comprises that the body of rod 32 and an end have the connector 31 of screw thread to connecting link 23, and the length of connecting link 23 is much larger than the length of connecting link 1, and the length of connecting link 23 approximates 1 meter.One end of connector 31 can link to each other through screw thread with the other end of valve; Change connector 31 for ease; Be connected through demountable structure between one end of the body of rod 32 and the other end of connector 31, be connected with the dynamometer 6 that to measure connecting link 23 radial force values between the other end of the body of rod 32 and the base 1.This demountable structure comprises the connecting hole 34 on the end face that is positioned at the body of rod 32, and the other end of connector 31 penetrates connecting hole 34, and the body of rod 32 is provided with register pin 33, and this register pin 33 can radially pass the body of rod 32 and connector 31.In addition, also can adopt other a kind of mode according to this demountable structure of actual conditions, promptly between the body of rod 32 and the connector 31 for being threaded.
The other end at the body of rod 32 is connected with suspension ring 7, and suspension ring 7 are provided with suspension hook 8, above-mentioned dynamometer 6 be positioned at suspension ring 7 under.This dynamometer 6 is a tension dynamometer 6, and the body-fixed of tension dynamometer 6 is on base 1, and the hook of tension dynamometer 6 links to each other with suspension hook 8.
The step of this proving installation test valve bending strength is: 1, the connector 31 and the connecting link 1 that are complementary of selection and valve to be measured, and connector 31 linked to each other with the two ends of valve to be measured respectively with connecting link 1; 2, connecting link 1 is fixed in the fixed orifice place of support 5, connector 31 penetrates the body of rod 32 connecting holes 34 and penetrates register pin 33 connector 31 is fixed on the body of rod 32; 3, handling lifting jack 4 makes compression bar drive support 5 and connecting link 1 lifting straight up; Make valve to be measured and connecting link 23 have the upwards trend of lifting; The numerical value that show on the tension dynamometer 6 this moment is the other end force value straight down of the body of rod 32, can express valve bending resistance to be measured and can judge that this valve to be measured is when denying conformance with standard according to this numerical value.
Embodiment two
Present embodiment is basic identical with structure and the principle of embodiment one; Different place is: the force application mechanism among the embodiment one is a lifting jack 4; The force application mechanism of present embodiment comprises hydraulic cylinder and the hydraulic pump that is connected with hydraulic cylinder; The cylinder body of hydraulic cylinder is fixed on the base 1, and the piston rod of hydraulic cylinder is connected mutually with connecting link 1 or is connected mutually with support 5.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used base 1 morely; Connecting link 1; Connecting link 23; Connector 31; The body of rod 32; Register pin 33; Connecting hole 34; Lifting jack 4; Support 5; Dynamometer 6; Suspension ring 7; Suspension hook 8 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.

Claims (8)

1. bending resistance test device for valve; It is characterized in that; This device comprises base (1), horizontally disposed connecting link one (2) and horizontally disposed connecting link two (3), on base (1), is fixed with force application mechanism, and an end of described connecting link one (2) can link to each other with an end of valve; The other end of connecting link one (2) is connected with force application mechanism mutually, and when handling force application mechanism, can make connecting link one (2) receive radial effect power; One end of described connecting link two (3) can link to each other with the other end of valve, is provided with the dynamometer (6) that can measure connecting link two (3) radial force values between the other end of connecting link two (3) and the base (1).
2. bending resistance test device for valve according to claim 1; It is characterized in that; Described force application mechanism comprises lifting jack (4), and the body-fixed of lifting jack (4) is on base (1), and the compression bar of lifting jack (4) is connected with connecting link one (2) mutually.
3. bending resistance test device for valve according to claim 1; It is characterized in that; Described force application mechanism comprises hydraulic cylinder and the hydraulic pump that is connected with hydraulic cylinder, and the cylinder body of described hydraulic cylinder is fixed on the base (1), and the piston rod of hydraulic cylinder is connected with connecting link one (2) mutually.
4. bending resistance test device for valve according to claim 2 is characterized in that, is fixed with support (5) on the compression bar of described lifting jack (4), and above-mentioned connecting link one (2) is fixed on the support (5) through demountable structure.
5. bending resistance test device for valve according to claim 1; It is characterized in that; Described dynamometer (6) is tension dynamometer (6), and the body-fixed of tension dynamometer (6) is on base (1), and the hook of tension dynamometer (6) links to each other with connecting link two (3).
6. bending resistance test device for valve according to claim 5; It is characterized in that; Described connecting link two (3) comprises the body of rod (32) and the connector (31) that removably connects with the body of rod (32) one ends, and the hook of above-mentioned tension dynamometer (6) links to each other with the other end of the body of rod (32).
7. bending resistance test device for valve according to claim 6; It is characterized in that; The described body of rod (32) end face has connecting hole (34); One end of above-mentioned connector (31) penetrates connecting hole (34), and the described body of rod (32) is provided with register pin (33), and this register pin (33) can radially pass the body of rod (32) and connector (31).
8. bending resistance test device for valve according to claim 6 is characterized in that, links to each other with suspension hook (8) through suspension ring (7) between the described body of rod (32) and the tension dynamometer (6).
CN201010175618A 2010-05-18 2010-05-18 Bending resistance test device for valve Expired - Fee Related CN101813575B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010175618A CN101813575B (en) 2010-05-18 2010-05-18 Bending resistance test device for valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010175618A CN101813575B (en) 2010-05-18 2010-05-18 Bending resistance test device for valve

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CN101813575A CN101813575A (en) 2010-08-25
CN101813575B true CN101813575B (en) 2012-10-10

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102829969B (en) * 2011-01-17 2014-12-03 卓旦春 Valve pressure tester
CN102147314B (en) * 2011-01-17 2013-01-30 卓旦春 Valve pressure testing machine
CN102937521B (en) * 2012-11-20 2014-12-17 浙江省泵阀产品质量检验中心 Torsion and bending resistance testing method for valves
CN104990699B (en) * 2015-07-03 2018-04-10 武汉华威专用汽车检测有限责任公司 The bending of quick action emergency valve multi-function test stand and torsion test method

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Publication number Priority date Publication date Assignee Title
SU1527554A1 (en) * 1987-12-10 1989-12-07 Институт Проблем Прочности Ан Усср Installation for fatigue testing in round bending with axial extension
DE19705412C2 (en) * 1997-02-13 2000-02-24 Audi Ag Method and device for testing a component made of brittle material
JPH10281960A (en) * 1997-04-02 1998-10-23 Mitsubishi Heavy Ind Ltd Inspecting device of bar
JPH1130567A (en) * 1997-07-11 1999-02-02 Mitsubishi Heavy Ind Ltd Strength testing method for poppet valve
CN2497302Y (en) * 2001-08-14 2002-06-26 徐卫河 Jack universal test floor

Non-Patent Citations (1)

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Title
郑雪珍.试验方法.《中华人民共和国国家标准 GB/T 8464-2008 铁制和铜制螺纹连接阀门》.中华人民民共和国国家质量监督检验检疫总局,2008,10-12. *

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Effective date of registration: 20130624

Address after: 317608 Zhejiang province addlupu town Yuhuan County Xuanmen industrial city

Patentee after: Zhejiang world HVAC technology Co Ltd

Address before: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu Industrial Park Zhejiang woerda Copper Co. Ltd.

Patentee before: Zhuo Danchun

C41 Transfer of patent application or patent right or utility model
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Owner name: ZHEJIANG WORLD HAVC TECHNOLOGY CO., LTD.

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Granted publication date: 20121010

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CF01 Termination of patent right due to non-payment of annual fee