CN202735167U - 300-model constant stress tester - Google Patents
300-model constant stress tester Download PDFInfo
- Publication number
- CN202735167U CN202735167U CN 201220330067 CN201220330067U CN202735167U CN 202735167 U CN202735167 U CN 202735167U CN 201220330067 CN201220330067 CN 201220330067 CN 201220330067 U CN201220330067 U CN 201220330067U CN 202735167 U CN202735167 U CN 202735167U
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- CN
- China
- Prior art keywords
- ball
- bulb
- ball cup
- pressure plate
- top board
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- 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 - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a 300-model constant stress tester for testing the mechanical properties of cement and concrete. The 300-model constant stress tester comprises a host machine and an auxiliary machine and is characterized in that the host machine and the auxiliary machine adopt an integrative assembly structure; all circuits are arranged in an integrative casing formed by the host machine and the auxiliary machine; an upper pressure plate device assembled at the bottom of an upper cross beam in the host machine comprises a ball head, a ball head seat, a ball seat support and an upper pressure plate which are connected in sequence from the top down; the upper pressure plate is made according to the universal force structural principle of the arc-shaped ball head and keeps the center being vertical during the test, so that the ball head seat can drive the upper pressure plate to do multidirectional displacement relative to the ball head; and a lower pressure plate lifting limit device comprises a limit rod and an electronic induction switch, wherein the limit rod is assembled on a lower pressure plate, and the electronic induction switch is assembled on a machine frame on one side of the limit rod. The 300-model constant stress tester has the advantages of compact and reasonable structure, multiple functions, and safety in operation and use.
Description
Technical field
The utility model relates to a kind of 300 type constant stress test machines that cement and concrete are carried out Mechanics Performance Testing.
Background technology
The constant stress test machine claims again computer constant stress test machine or permanent loading tester to refer to for the equipment to the Mechanics Performance Testing of cement briquette and concrete test block.The constant stress test machine generally be divided into 300 type constant stress test machines and 2000 type constant stress test machines etc., classify according to the test pressure size, belong to adopted name in the industry.Existing 300E type constant stress test machine be a kind of can be to the equipment of the test such as cement briquette and concrete test block, its pressure test pressure is generally about 30 tons.Its defective is: 1 its main and auxiliaries is Split type structure, and it is very inconvenient that it installs complexity; 2 its top board device assemblage gaps are excessive, adjusting is difficult, test figure is inaccurate; 3 its can only carry out single test item, function singleness; The exposed potential safety hazard that exists of 4 various circuits; 5 stop means are external, and adopt the impact stroke switch, and its circuit and object are easy to damaged in collision, get an electric shock and injure personal safety, and spacing scope is large, and accuracy rate is low.
The utility model content
Of the present utility model
PurposeJust be to provide a kind of 300 type constant stress test all-in-ones, its compact conformation rationally, function is more, the operation use is safer.
Of the present utility model
Technical schemeFor:
A kind of 300 type constant stress test machines of the utility model comprise main and auxiliaries, it is characterized in that described main and auxiliaries is set to integrated assembling structure, and various circuits are arranged in the shell of unified one of main and auxiliaries;
The top board device that is assemblied in entablature bottom in the main frame comprises bulb, ball cup, ball seat holder and the top board that connects successively from top to bottom; Described bulb central authorities offer tapped through hole, are provided with the smooth arc groove of cambered surface in the bottom of bulb; Described ball cup central authorities offer through hole one, and ball cup top is provided with the cambered surface smooth arc-shaped protrusions corresponding with the arc groove radian of bulb bottom, are provided with the smooth arc groove of cambered surface in the ball cup bottom; Described ball seat holder central authorities offer through hole two, the ball seat holder is the arc of curved projection in top, the cambered surface of the arc-shaped protrusions on ball seat holder top is smooth, and its arc groove radian with the ball cup bottom is corresponding, and the ball seat holder can be embedded in the arc groove of ball cup bottom; Offer the groove corresponding with ball seat backing contouring in the top board center upper portion, offer a circular groove in these groove central authorities; Described ball cup is fixedly connected with top board, and bulb, ball cup, ball seat holder are bolted together, and the diameter of described through hole two is less than through hole one, and ball cup can be done multidirectional displacement with top board with respect to bulb like this;
The lower platen lifting limited device is made of the electronic induction switch that is assemblied in the gag lever post on the lower platen and be fitted on the frame of gag lever post one side.
Of the present utility model
Beneficial effectFor: the utility model is researched and developed successful new product for the applicant captures multinomial difficulty through taking infinite pains.It has following characteristics:
One, main and auxiliary machine one: the utility model testing machine two case packings change a case packing into, and entrucking, convenient transportation are quick, reduce the packed and transported cost; More save material than original testing machine, reduce cost; The utility model floor area reduces 1.6m
2, the utility model is only installed and is needed 10 minutes in addition, installs to save time conveniently.
Two, the top board apparatus structure is more scientific: the utility model test all-in-one has been done innovation to the top board device and has been improved, top board is made according to the universal power structural principle of camber bulb, begin to keep the central vertical invariant state in the process of the test, novel top board device is more accurate than easy to adjust, gapless, the central vertical test figure of old type.The new construction of top board device can be realized a tractor serves several purposes function, and the utility model test all-in-one can be done 3 test subjects: the bending test of the compression test of cement briquette 40 * 40 * 160mm and concrete test block 150 * 150 * 550mm and the compression test of concrete test block 70 * 70 * 70mm.
Three, security performance increases: the various circuits of the utility model testing machine are all built-in, and the performance of machine and personnel's the problems such as personal safety are played a very good protection;
Four, limit device structure is more reasonable, accuracy improves, security improves: postpone in the stop means, not fragile, security also is improved, and adopts electronic switch to adopt sensitiveer, the more accurate security performance of impact stroke switch greatly to improve than existing equipment.
Description of drawings
Fig. 1 is the utility model example structure synoptic diagram,
Fig. 2 is top board device assembling exploded perspective view among the utility model embodiment.
Embodiment
The utility model 300 type constant stress test all-in-ones as shown in Figure 1, its main and auxiliaries is set to integrated assembling structure, and various circuits are arranged in the unified shell 1 of main and auxiliaries; Main frame includes column 2, entablature 3, top board device 5, lower platen 6, stop means 7, lower platen lifter plate driving mechanism 8, controller 9, power controling box 10, controller switches 13, power switch 14 etc., be provided with the bin 4 that assembling belongs to the portable computer 11 of subsidiary engine at shell 1, the printer 12 that belongs to subsidiary engine is arranged on cover top portion, and various circuits are arranged in the unified shell 1 of main and auxiliaries.Described lower platen lifter plate driving mechanism 8 comprises oil cylinder 8-1, piston and piston rod 8-2, fuel tank 8-3 and related accessory etc. for hydraulic drive mechanism.Described lower platen lifting limited device 7 is made of the electronic induction switch that is assemblied in the gag lever post 7-1 on the lower platen 6 and be fitted on the frame of gag lever post 7-1 one side.
As shown in Figure 2, the described top board device 5 that is installed in main frame entablature 3 bottoms includes bulb 5-1, ball cup 5-2, ball seat holder 5-3 and the top board 5-4 that connects successively from top to bottom; Described bulb 5-1 central authorities offer tapped through hole, are provided with the smooth arc groove of cambered surface in the bottom of bulb 5-1; Described ball cup 5-2 central authorities offer through hole one, and ball cup 5-2 top is provided with the smooth arc-shaped protrusions of cambered surface corresponding to arc groove radian with bulb 5-1 bottom, are provided with the smooth arc groove of cambered surface in ball cup 5-2 bottom; Described ball seat holder 5-3 central authorities offer through hole two, ball seat holder 5-3 is the arc of curved projection in top, the cambered surface of the arc-shaped protrusions on ball seat holder 5-3 top is smooth, its arc groove radian with ball cup 5-2 bottom is corresponding, and ball seat holder 5-3 can be embedded in the arc groove of ball cup 5-2 bottom; Offer the groove corresponding with ball seat holder 5-3 bottom profile in top board 5-4 center upper portion, offer a circular groove in these groove central authorities; Described ball cup 5-2 is fixedly connected with by the set bolt at two ends with top board 5-4, bulb 5-1, ball cup 5-2, ball seat holder 5-3 link together by the bolt that passes its middle perforate, the diameter of described through hole two is less than through hole one, and ball cup can be done multidirectional displacement with top board with respect to bulb like this.
Claims (1)
1.300 type constant stress test machine comprises main and auxiliaries, it is characterized in that, described main and auxiliaries is set to integrated assembling structure, and various circuits are arranged in the unified shell of main and auxiliaries;
The top board device that is assemblied in entablature bottom in the main frame comprises bulb, ball cup, ball seat holder and the top board that connects successively from top to bottom; Described bulb central authorities offer tapped through hole, are provided with the smooth arc groove of cambered surface in the bottom of bulb; Described ball cup central authorities offer through hole one, and ball cup top is provided with the cambered surface smooth arc-shaped protrusions corresponding with the arc groove radian of bulb bottom, are provided with the smooth arc groove of cambered surface in the ball cup bottom; Described ball seat holder central authorities offer through hole two, the ball seat holder is the arc of curved projection in top, the cambered surface of the arc-shaped protrusions on ball seat holder top is smooth, and its arc groove radian with the ball cup bottom is corresponding, and the ball seat holder can be embedded in the arc groove of ball cup bottom; Offer the groove corresponding with ball seat backing contouring in the top board center upper portion, offer a circular groove in these groove central authorities; Described ball cup is fixedly connected with top board, and bulb, ball cup, ball seat holder are bolted together, and the diameter of described through hole two is less than through hole one, and ball cup can be done multidirectional displacement with top board with respect to bulb like this;
The lower platen lifting limited device is made of the electronic induction switch that is assemblied in the gag lever post on the lower platen and be fitted on the frame of gag lever post one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330067 CN202735167U (en) | 2012-07-10 | 2012-07-10 | 300-model constant stress tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330067 CN202735167U (en) | 2012-07-10 | 2012-07-10 | 300-model constant stress tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735167U true CN202735167U (en) | 2013-02-13 |
Family
ID=47660854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220330067 Expired - Fee Related CN202735167U (en) | 2012-07-10 | 2012-07-10 | 300-model constant stress tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226740A (en) * | 2013-06-14 | 2014-12-24 | 南通恒鼎重型机床有限公司 | Leveller lifting universal stress device |
-
2012
- 2012-07-10 CN CN 201220330067 patent/CN202735167U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226740A (en) * | 2013-06-14 | 2014-12-24 | 南通恒鼎重型机床有限公司 | Leveller lifting universal stress device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20140710 |
|
| EXPY | Termination of patent right or utility model |