CN2784910Y - High temperature creep endurance testing machine with protector - Google Patents

High temperature creep endurance testing machine with protector Download PDF

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Publication number
CN2784910Y
CN2784910Y CN 200520057906 CN200520057906U CN2784910Y CN 2784910 Y CN2784910 Y CN 2784910Y CN 200520057906 CN200520057906 CN 200520057906 CN 200520057906 U CN200520057906 U CN 200520057906U CN 2784910 Y CN2784910 Y CN 2784910Y
Authority
CN
China
Prior art keywords
lever
rod
testing machine
arm
power arm
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.)
Expired - Lifetime
Application number
CN 200520057906
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Chinese (zh)
Inventor
雷庆安
尚志兴
赵湘江
刘俊清
张永法
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mester industrial system (Chinese) Co. Ltd.
Original Assignee
SHENZHEN SANS MATERIAL DETECTION CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN SANS MATERIAL DETECTION CO Ltd filed Critical SHENZHEN SANS MATERIAL DETECTION CO Ltd
Priority to CN 200520057906 priority Critical patent/CN2784910Y/en
Application granted granted Critical
Publication of CN2784910Y publication Critical patent/CN2784910Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a high-temperature creep endurance testing machine with a protective device, which can test the tensile creep mechanical property of metallic materials. The testing machine comprises a machine frame, a lever mechanism provided with a housing and installed on the top of the machine frame, a suspensible loading hanger hung on the power arm end of a lever in the lever mechanism and a testing piece clamping component hung on the resisting arm end of the lever through a main bearing connecting rod. The resisting arm end of the lever is provided with a protective base whose top wall body is provided with a left micro switch; the upper end of the main bearing connecting rod is provided with a barrier chip which is in an impacting fit with the left micro switch. The inner wall of the housing on the upper part of the lever power arm end is provided with a right micro switch. Through modification, the utility model can effectively protect the device and raise the testing precision.

Description

The high-temerature creep endurance testing machine of band protective device
Technical field
The utility model relates to the testing apparatus of material mechanical performance, relates in particular to a kind of testing machine of testing the lasting mechanical property of metal material tensile creep.Creep slowly takes place, thereby accurately measures material in the mechanical property of setting under the operating mode under hot environment in this testing machine simulation material when bearing permanent pulling force.
Background technology
In order to grasp the relevant mechanical property of material, people have designed the testing machine of various test material mechanical properties.At present, the high-temerature creep endurance testing machine of the mechanical property of being seen measuring metallic materials tensile creep on the market, mainly be to adopt the lever loading structure to offer the pulling force of test specimen, heating furnace that can design temperature in test specimen outer wrapping one heats test specimen, after the certain hour stretching, test specimen generation creep can record the related parameter that has of material until fracture by instrument.The basic structure of this testing machine is, one leverage is arranged on the top of frame, the end that load hangs on the suspension rod of power arm one end of lever, the test specimen clamping is hung the resistance arm that is hung in lever is connected with surveying instrument on the test specimen, test specimen place one can the heating furnace of design temperature in.Be that test specimen upper end clamping is fixed (hanging) end at the resistance arm of lever, be connected on the gearing behind the lower end clamping of test specimen.One end of the power arm of lever is hung load.When the test specimen creep elongation, and extend upward (the test specimen lower end is fixed by gearing, can not displacement), the lever moving arm end is downward-sloping.When inclination reaches one regularly, starter motor makes gearing adjust the upper-lower position of piece fixture, keeps the position balance of lever.There is following shortcoming in the testing machine of this structure:
1, during the clamping test specimen or install when adjusting the initial rest position of lever behind the test specimen, need manually control the upper-lower position of adjusting piece fixture,, be easy to cause device damage if manually control is bad or produce misoperation by control enclosure;
2, in the test process, fracture suddenly takes place in the test specimen creep, and then lever resistance arm end quickens to go up bullet, causes device damage easily;
3, the lever moving arm one end load of hanging, experimental requirement often needs the less counterweight of loaded volume, ruptures suddenly if meet test specimen, and difficulty is given on the miniweights ground that can be scattered for change;
4, owing to the precision problem of machining, lever ratio is difficult to reach accurate design load, guarantees the accuracy of ergometry by the gravity of adjusting counterweight in the past, because counterweight is more, so labour intensity is excessive.
The utility model content
The purpose of this utility model is to solve existing high-temerature creep endurance testing machine safeguard measure imperfection, the unsettled technical matters of measuring accuracy, proposes a kind of high-temerature creep endurance testing machine of band protective device of the lever ratio adjusted that can better protect equipment, raising measuring accuracy.
For addressing the above problem; solution of the present utility model is a kind of high-temerature creep endurance testing machine with protective device of structure; it comprises frame; be located at the leverage that has a shell of this frame top; but be hung on the suspension rod of suspended load of power arm one end of lever in the described leverage; hold connecting rod by an operator and hang test specimen clamping assembly at resistance arm one end of described lever; described lever resistance arm one end is provided with guard housing; described guard housing top wall body is provided with left microswitch; described operator is held small end and is provided with a catch that cooperates with described left microswitch collision, and the described outer casing inner wall in described lever moving arm one end top is provided with right microswitch.
The position that described guard housing top inner wall is held connecting rod over against described operator is provided with first crash roll, and the top of the power arm end of described lever can be provided with second crash roll, can be provided with the 3rd crash roll over against the described shell of the power arm end bottom of described lever.
In another structure of the present utility model, the position that described guard housing top inner wall is held connecting rod over against described operator is provided with first crash roll, also can be provided with second crash roll, also can be provided with the 3rd crash roll in the power arm end bottom of described lever over against the described shell on the power arm end top of described lever.
But can be provided with miniweights dish with a lid on the suspension rod of described suspended load.
The end face of the power arm of described lever is provided with a suspension ring axle, and an end of this suspension ring axle is connected with described lever coaxial by screw thread, and the other end of described suspension ring axle is hanging described suspension rod.
The utility model is provided with a microswitch respectively above the lever two ends, dislocation or when being not intended to produce misoperation when manually controlling the upper-lower position of piece fixture by control enclosure, the end that the gearing of connection test specimen lower end will drive lever moves up and down, but after touching microswitch, the gearing outage quits work, make lever also slack, thereby prevent to cause the damage of equipment; Test specimen ruptures suddenly during test, is suspended on operator on the lever and holds connecting rod and can quicken bullet because of action of inertia, above lever resistance arm end crash roll is set, and can prevent that operator holds connecting rod and cause bump to damage; Upper and lower at the lever moving arm end respectively is provided with crash roll, and also the available buffer lever is for the bump of shell; Miniweights is placed the miniweights dish that has lid, if test specimen ruptures suddenly, the tenesmus of load end, miniweights just can not be scattered a ground; When the length ratio of power arm and resistance arm owes accurate,, accurate with the length ratio that guarantees power arm and resistance arm as long as rotation suspension ring axle just can change the length of power arm.The utility model can be protected equipment effectively by improving, and improves measuring accuracy.
Description of drawings
Below in conjunction with accompanying drawing and preferred embodiment the utility model is described in detail, wherein:
Fig. 1 is the front view of the utility model preferred embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the cut-away illustration of the utility model preferred embodiment leverage;
Fig. 4 is the enlarged drawing at I place among Fig. 3;
Fig. 5 is that the miniweights dish is connected the cut-away illustration on the suspension rod;
Fig. 6 is the cut-open view of the utility model preferred embodiment under casing.
Embodiment
Fig. 1 and Fig. 2 show the external structure of the utility model preferred embodiment; the high-temerature creep endurance testing machine of described band protective device; the frame that comprises rectangle under casing 1, under casing 1 top---be installed on 10 4 jiaos of under casing upper plates four root posts 2, be located at the leverage 3 on described column 2 tops, this leverage is laterally installed.Lever 30 in the described leverage 3 is supported by the blade on the shell 301 that is fixed on leverage 302, and the power arm end (right-hand member) of lever 30 is hung a suspension rod 5, and the lower end of this suspension rod can hang counterweight 4 (as Fig. 3, shown in Figure 1).The resistance arm end (left end) of lever 30 holds connecting rod 061 by an operator and is hung with test specimen clamping assembly 6, and the lower end of this test specimen clamping assembly is connected (as Fig. 2, shown in Figure 3) with a leveling gearing 7.Described lever 30 resistance arms one end is provided with "  " shape guard housing 030, this guard housing top wall body is provided with a left microswitch 031, described operator is held right side, connecting rod 061 upper end and is provided with a catch 062 that cooperates with left microswitch 031 collision, above lever 30 power arms one end, be provided with a right microswitch 032, this switch by upper limit frame 037 be installed on shell 301 inwalls (as Fig. 3, Fig. 4, shown in).Be connected with surveying instrument and the signal wire (not shown) that is connected with computer on the described test specimen clamping assembly 6, be provided with the high temperature furnace parts 40 that can heat test specimen around the test specimen 06.
As shown in Figure 3, the position that described guard housing 030 top inner wall is held connecting rod 061 over against described operator is provided with first crash roll 033, the top of the power arm end of described lever 30 is provided with second crash roll 034, and this crash roll 034 also can be located at upper limit frame 037 place over against the power arm termination.Bottom over against the power arm end of described lever 30 is provided with the 3rd crash roll 035, and this crash roll is installed on the described shell 301 by lower limit frame 038.Described the 3rd crash roll 035 also can be located at the lever 30 power arm end bottoms over against lower limit frame 038.
See also Fig. 6, the leveling gearing 7 that is connected with the lower end of described test specimen clamping assembly 6 comprises: motor, the reduction gear that is connected with motor, the screw mandrel 56 that is connected with reduction gear, the upper end of this screw mandrel passes under casing upper plate 10 and is connected with the lower end of test specimen clamping assembly 6.Behind electric motor starting,, make screw mandrel 56 to move up and down and drive test specimen clamping assembly 6 to move up and down by the transmission of gearing 7.Because the structure and the drive connection thereof of this leveling gearing 7 are prior art, only do simple the description here.
As Fig. 3, shown in Figure 2, microswitch 031,032 is set respectively above lever 30 two ends, when misplacing by the upper-lower position of being located at the control enclosure 20 manual control piece fixture assemblies 6 on the column 2 or being not intended to produce misoperation, the left end that the gearing 7 of connection test specimen lower end will drive lever moves up and down, but after touching microswitch 031,032, gearing 7 outages quit work, and make lever 30 also slack, thereby prevent to cause the damage of equipment; Test specimen 06 ruptures suddenly during test, and the operator that is suspended on lever 30 resistance arm ends is held connecting rod 061 and can be quickened bullet because of action of inertia, and first crash roll 033 is set above lever resistance arm end, can prevent that operator holds connecting rod and cause bump to damage; Upper and lower at the lever moving arm end is provided with crash roll 034,035 respectively, and also the available buffer lever is for the bump of shell.
As Fig. 5, shown in Figure 1, but suspension rod 5 stage casings of described suspended load 4 are provided with cover sub 05 miniweights dish 051.This scale pan and a sleeve 052 with after the epimere of described suspension rod 5 is threaded again welding be connected as a single entity, the hypomere of suspension rod 5 penetrates in the hole of sleeve 052, be connected with sleeve 052 with the hypomere of a latch 053 suspension rod 5, thereby upper and lower section suspension rod 5 is connected as a single entity, also scale pan 051 is installed on the suspension rod 5 simultaneously.Miniweights 04 places scale pan 051, with lid 05 capping.Rupture if meet test specimen suddenly, the tenesmus of load end, miniweights just can not be scattered a ground.
As shown in Figure 3, the end face of the power arm of described lever 30 is provided with a suspension ring axle 036, and an end of this suspension ring axle is by screw thread and described 30 coaxial connections of lever, and the other end of described suspension ring axle 036 is hanging described suspension rod 5.By the bolt head 039 of rotation suspension ring axle 036 right-hand member, can adjust the length of lever 30 power arms.Adjustment finishes, and can the suspension ring axle be fixed with the nut 040 that is enclosed within on the suspension ring axle, to guarantee the accurate of lever moving arm and resistance arm length ratio.The utility model makes and reduces the labour intensity of joining counterweight by the standard test weight that testing machine can use specialized factory to produce by suitable improvement, improves measuring accuracy simultaneously.

Claims (5)

1; a kind of high-temerature creep endurance testing machine with protective device; comprise frame (2); be located at the leverage that has a shell (301) (3) at described frame (2) top; be hung on lever in the described leverage (30) but the suspension rod (5) of suspended load (4) of power arm one end; hold connecting rod (061) by an operator and hang test specimen clamping assembly (6) at resistance arm one end of described lever (30); described lever (30) resistance arm one end is provided with guard housing (030); it is characterized in that; described guard housing (030) top wall body is provided with left microswitch (031); described operator is held connecting rod (061) upper end and is provided with a catch (062) that cooperates with described left microswitch (031) collision, and described lever (30) the power arm described shell in one end top (301) inwall is provided with right microswitch (032).
2, testing machine as claimed in claim 1, it is characterized in that, the position that described guard housing (030) top inner wall is held connecting rod (061) over against described operator is provided with first crash roll (033), the top of the power arm end of described lever (30) is provided with second crash roll (034), is provided with the 3rd crash roll (035) over against the described shell (301) of the power arm end bottom of described lever (30).
3, testing machine as claimed in claim 1, it is characterized in that, the position that described guard housing (030) top inner wall is held connecting rod (061) over against described operator is provided with first crash roll (033), described shell (301) over against the power arm end top of described lever (30) is provided with second crash roll (034), and the power arm end bottom of described lever (30) is provided with the 3rd crash roll (035).
4, as each described testing machine of claim 1 to 3, it is characterized in that, but the suspension rod (5) of described suspended load (4) is provided with the miniweights dish (051) of son with cover (05).
5, testing machine as claimed in claim 4, it is characterized in that, the end face of the power arm of described lever (30) is provided with a suspension ring axle (036), and an end of this suspension ring axle is connected with described lever coaxial by screw thread, and the other end of described suspension ring axle (036) is hanging described suspension rod (5).
CN 200520057906 2005-04-27 2005-04-27 High temperature creep endurance testing machine with protector Expired - Lifetime CN2784910Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520057906 CN2784910Y (en) 2005-04-27 2005-04-27 High temperature creep endurance testing machine with protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520057906 CN2784910Y (en) 2005-04-27 2005-04-27 High temperature creep endurance testing machine with protector

Publications (1)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102175536A (en) * 2011-01-10 2011-09-07 武汉科技大学 Test device for high-temperature tensile strength of nonmetal material
CN102419288A (en) * 2011-12-16 2012-04-18 上海发电设备成套设计研究院 Creep-fatigue interaction test device and load loading and unloading method thereof
CN102519800A (en) * 2011-11-18 2012-06-27 中国航空工业集团公司北京航空材料研究院 Mechanical creep and permanent strength testing machine
CN102519786A (en) * 2011-12-30 2012-06-27 济南试金集团有限公司 Aluminum alloy section material base for high-temperature creep endurance testing machine
CN104316411A (en) * 2014-10-14 2015-01-28 东北林业大学 Material compression creep testing device
CN105021468A (en) * 2015-07-06 2015-11-04 北京航空航天大学 High-temperature creep fatigue test system
CN108106939A (en) * 2017-12-22 2018-06-01 中原工学院 A kind of gravity compensation formula anchoring body creep effect pilot system based on lever principle
CN108195679A (en) * 2018-02-11 2018-06-22 东南大学 A kind of device and test method for measuring wire rod tiny sample tensile strength
CN108225899A (en) * 2018-01-02 2018-06-29 北京航空航天大学 With the composite thin plate drawing by high temperature test fixture and method from alignment function

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102175536A (en) * 2011-01-10 2011-09-07 武汉科技大学 Test device for high-temperature tensile strength of nonmetal material
CN102175536B (en) * 2011-01-10 2013-10-23 武汉科技大学 Test device for high-temperature tensile strength of nonmetal material
CN102519800A (en) * 2011-11-18 2012-06-27 中国航空工业集团公司北京航空材料研究院 Mechanical creep and permanent strength testing machine
CN102519800B (en) * 2011-11-18 2013-10-16 中国航空工业集团公司北京航空材料研究院 Mechanical creep and permanent strength testing machine
CN102419288B (en) * 2011-12-16 2013-12-25 上海发电设备成套设计研究院 Creep-fatigue interaction test device and load loading and unloading method thereof
CN102419288A (en) * 2011-12-16 2012-04-18 上海发电设备成套设计研究院 Creep-fatigue interaction test device and load loading and unloading method thereof
CN102519786A (en) * 2011-12-30 2012-06-27 济南试金集团有限公司 Aluminum alloy section material base for high-temperature creep endurance testing machine
CN104316411B (en) * 2014-10-14 2016-06-22 东北林业大学 material compression creep test device
CN104316411A (en) * 2014-10-14 2015-01-28 东北林业大学 Material compression creep testing device
CN105021468A (en) * 2015-07-06 2015-11-04 北京航空航天大学 High-temperature creep fatigue test system
CN108106939A (en) * 2017-12-22 2018-06-01 中原工学院 A kind of gravity compensation formula anchoring body creep effect pilot system based on lever principle
CN108106939B (en) * 2017-12-22 2020-10-20 中原工学院 Gravity compensation type anchoring body creep effect test system based on lever principle
CN108225899A (en) * 2018-01-02 2018-06-29 北京航空航天大学 With the composite thin plate drawing by high temperature test fixture and method from alignment function
CN108195679A (en) * 2018-02-11 2018-06-22 东南大学 A kind of device and test method for measuring wire rod tiny sample tensile strength

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20081205

Address after: Shanghai City, Songjiang District Spring Road No. 18, zip code: 201612

Patentee after: Mester industrial system (Chinese) Co. Ltd.

Address before: No. 100, tea industrial village, Shahe West Road, Shenzhen, Guangdong, Nanshan District Province, China: 518053

Patentee before: Shenzhen Sans Material Detection Co., Ltd.

ASS Succession or assignment of patent right

Owner name: MEREST INDUSTRY SYSTEMS ( CHINA) CO., LTD.

Free format text: FORMER OWNER: SHENZHEN SANS MATERIAL DETECTION CO., LTD.

Effective date: 20081205

CX01 Expiry of patent term

Expiration termination date: 20150427

Granted publication date: 20060531

C17 Cessation of patent right