CN102156068A - Combined clamp for rack upright post pressure test - Google Patents
Combined clamp for rack upright post pressure test Download PDFInfo
- Publication number
- CN102156068A CN102156068A CN2011100713645A CN201110071364A CN102156068A CN 102156068 A CN102156068 A CN 102156068A CN 2011100713645 A CN2011100713645 A CN 2011100713645A CN 201110071364 A CN201110071364 A CN 201110071364A CN 102156068 A CN102156068 A CN 102156068A
- Authority
- CN
- China
- Prior art keywords
- steel ball
- fixture block
- ball fixture
- fixed head
- pressure test
- 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.)
- Granted
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a combined clamp for a rack upright post pressure test. The combined clamp comprises an upright post fixing plate, a worktable fixing plate, an upper steel ball clamping block and a lower steel ball clamping block, wherein an upright post bottom plate is fixed on the upper surface of the upright post fixing plate; an upright post is welded on the upright post bottom plate; the lower surface of the upright post fixing plate is connected with the upper steel ball clamping block; a T-shaped groove worktable is fixed on two sides of the worktable fixing plate respectively; the upper surface of the worktable fixing plate is connected with the lower steel ball clamping block; and the same groove for clamping steel balls is formed between opposite surfaces of the upper steel ball clamping block and the lower steel ball clamping block. The combined clamp can guarantee that two ends of a test piece are always hinged with a press worktable in the test, and the test result is more accurate.
Description
Technical field
The present invention relates to a kind of anchor clamps, particularly relate to a kind of built-up jig that is used for the shelf post pressure test.
Background technology
Exist a large amount of shelf posts in the engineering reality and need carry out pressure test, provided the principle of shelf post test in (the logistics equipment standard FEM10.2.02-of European Union shelf design specifications), require column test specimen two ends realize with pressing machine on lower table hinged fully.But how can be accurately and finish the shelf post pressure test easily, also have following problem: the two ends of (1) column test specimen can not be hinged fully with lower table on the pressing machine, need design a cover unit clamp; (2) present, adopt simplified way in the engineering mostly.Promptly do not adopt hinged or hinged lower end, upper end not hinged.Therefore causing test is not column axial compression test completely, makes process of the test and test principle produce difference, and test findings can not accurately illustrate the performance situation of column; (3) its end construction of column test specimen or the size difference of different model for the different anchor clamps of different test specimen designs, will increase testing expense greatly.
Summary of the invention
Technical matters to be solved by this invention provides a kind of built-up jig that is used for the shelf post pressure test, and two ends are all hinged with press bench all the time in test can to guarantee test specimen, and the warranty test result is more accurate.
The technical solution adopted for the present invention to solve the technical problems is: a kind of built-up jig that is used for the shelf post pressure test is provided, comprise column fixed head, stationary table plate, last steel ball fixture block and following steel ball fixture block, described column fixed head upper surface is fixed with the column base plate; Be welded with column on the described column base plate; Described column fixed head lower surface links to each other with the described steel ball fixture block of going up; Described stationary table plate both sides are fixed with T type groove worktable; Described stationary table plate upper surface links to each other with described steel ball fixture block down; Described going up between steel ball fixture block and following steel ball fixture block facing surfaces has the groove that identical being used to clamps steel ball.
The center of described column fixed head upper surface is provided with boss, and the boss middle part of described column fixed head is provided with the threaded hole that runs through described column fixed head.
The center of described stationary table plate upper surface is provided with boss, and the boss middle part of described stationary table plate is provided with the threaded hole that runs through described column fixed head.
A described middle side part of going up steel ball fixture block and following steel ball fixture block is equipped with threaded post, and the opposite side middle part is provided with ball recess.
A described middle side part of going up steel ball fixture block and following steel ball fixture block is equipped with threaded post, and the opposite side middle part is equipped with boss, and the described boss of going up steel ball fixture block and following steel ball fixture block all is provided with ball recess.
Described column fixed head upper surface links to each other with described column base plate by four hex bolts.
Described stationary table plate both sides are bolted on the T type groove worktable by the T type.
Described column fixed head, stationary table plate, last steel ball fixture block and following steel ball fixture block are made by mild carbon steel.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art, have following advantage and good effect: the present invention makes the shelf post test specimen realize that two ends are all hinged with press bench, can bear in test axial load all the time, avoided the influence of column test specimen and worktable contact jaw column test piece deformation, guaranteed coincideing of process of the test and test theory, made test findings more accurate.Because the steel ball fixture block is dismountable, changing the steel ball fixture block and the steel ball of different size just can test the column test specimen of different model, make and do not change bearing accuracy when carrying out clamping, it is big that the range of application of anchor clamps becomes, the utilization factor of anchor clamps improves, can reduce the working strength of testing crew, improve the efficient of test.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of central post fixed head of the present invention;
Fig. 3 is the synoptic diagram of upper and lower steel ball fixture block one side of embodiment 1 among the present invention;
Fig. 4 is the synoptic diagram of the upper and lower steel ball fixture block opposite side of embodiment 1 among the present invention;
Fig. 5 is the structural representation of stationary table plate among the present invention;
Fig. 6 is the synoptic diagram of upper and lower steel ball fixture block one side of embodiment 2 among the present invention;
Fig. 7 is the synoptic diagram of the upper and lower steel ball fixture block opposite side of embodiment 2 among the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1: present embodiment relate to a kind of built-up jig that is used for the shelf post pressure test, as shown in Figure 1, column fixed head 1 is linked together itself and the column base plate 5 that is welded with column 6 by the bolt hole on 4 column fixed heads 1 by 4 hex bolts.As Fig. 2, Fig. 3 and shown in Figure 4, one middle side part of last steel ball fixture block 3 has threaded post, opposite side middle part is provided with ball recess, and the boss middle part of column fixed head 1 has the threaded hole that runs through whole, the double-screw bolt alignment post fixed head 1 screwed hole of centre rotation of last steel ball fixture block 3 is screwed into be fixed.Stationary table plate 2 is positioned on the T type groove worktable 8 of pressing machine, utilizes 8 T type bolts to be fixed on the T type groove worktable 8 by 8 bolts hole on the stationary table plate 2, and T type bolt can move the position of adjusting stationary table plate 2 along T type groove.The structure of following steel ball fixture block 4 is identical with the structure of last steel ball fixture block 3.As shown in Figure 5, the boss of stationary table plate 2 middle part has the threaded hole that runs through whole, the threaded post alignment work platform fixed head 2 screwed hole of centre rotation of playing steel ball fixture block 4 is screwed into be fixed.The center of last steel ball fixture block 3 and following steel ball fixture block 4 one sides is equipped with ball recess, the last steel ball fixture block 3 that is fixed on the column fixed head 1 is placed with the ball-type groove surface opposite of being fixed in the following steel ball fixture block 4 on the stationary table plate 2, behind the bearing load the folded steel ball 7 of upper and lower steel ball fixture block is clamped.The other end at column 6 installs and fixes in an identical manner.For the column test load application difference of different model, need select for use the steel ball of different-diameter to test, will choose corresponding steel ball fixture block so.The used steel ball fixture block of present embodiment is applied to the big situation of diameter of the steel ball, changes the size generation respective change of the ball recess of steel ball fixture block with diameter of the steel ball.
Embodiment 2: present embodiment relates to a kind of built-up jig that is used for the shelf post pressure test equally, its structure is roughly identical with embodiment 1, its difference is, as shown in Figure 6 and Figure 7, the middle side part that the structure of the upper and lower steel ball fixture block in the present embodiment is is equipped with threaded post, the opposite side middle part is equipped with boss, and is equipped with ball recess on the boss of upper and lower steel ball fixture block.By increasing boss, can make this fixture application in steel ball, thereby avoid the steel ball fixture block when steel ball rotates, to bump than minor diameter in steel ball fixture block one side.The mode of embodiment 1 described installation steel ball fixture block is equally applicable to the mode that present embodiment is installed the steel ball fixture block.When changing the steel ball fixture block, only need will be original the steel ball fixture block rotation threaded hole at place of back-outing, the steel ball fixture block that will need then to use rotates and is screwed into the respective threads hole and gets final product.Like this, need not to change column fixed head and stationary table plate, thereby guarantee the bearing accuracy of clamping, and just can realize the test to the different model column as long as change the steel ball fixture block, make trial stretch become big, test efficiency improves.
Be not difficult to find, the present invention makes the shelf post test specimen realize that two ends are all hinged with press bench, can bear in test axial load all the time, avoided the influence of column test specimen and worktable contact jaw column test piece deformation, guaranteed coincideing of process of the test and test theory, made test findings more accurate.Because the steel ball fixture block is dismountable, changing the steel ball fixture block and the steel ball of different size just can test the column test specimen of different model, make and do not change bearing accuracy when carrying out clamping, it is big that the range of application of anchor clamps becomes, the utilization factor of anchor clamps improves, can reduce the working strength of testing crew, improve the efficient of test.
Claims (8)
1. built-up jig that is used for the shelf post pressure test, comprise column fixed head (1), stationary table plate (2), last steel ball fixture block (3) and following steel ball fixture block (4) is characterized in that, described column fixed head (1) upper surface is fixed with column base plate (5); Be welded with column (6) on the described column base plate (5); Described column fixed head (1) lower surface links to each other with the described steel ball fixture block (3) of going up; Described stationary table plate (2) both sides are fixed with T type groove worktable (8); Described stationary table plate (2) upper surface links to each other with described steel ball fixture block (4) down; Described going up between steel ball fixture block (3) and following steel ball fixture block (4) facing surfaces has the groove that identical being used to clamps steel ball (7).
2. the built-up jig that is used for the shelf post pressure test according to claim 1, it is characterized in that, the center of described column fixed head (1) upper surface is provided with boss, and the boss middle part of described column fixed head (1) is provided with the threaded hole that runs through described column fixed head.
3. the built-up jig that is used for the shelf post pressure test according to claim 1, it is characterized in that, the center of described stationary table plate (2) upper surface is provided with boss, and the boss middle part of described stationary table plate (2) is provided with the threaded hole that runs through described column fixed head.
4. the built-up jig that is used for the shelf post pressure test according to claim 1 is characterized in that, a described middle side part of going up steel ball fixture block (3) and following steel ball fixture block (4) is equipped with threaded post, and the opposite side middle part is provided with ball recess.
5. the built-up jig that is used for the shelf post pressure test according to claim 1 is characterized in that, a described middle side part of going up steel ball fixture block (3) and following steel ball fixture block (4) is equipped with threaded post, and the opposite side middle part is equipped with boss; Last steel ball fixture block (3) and the boss of following steel ball fixture block (4) all be provided with ball recess.
6. the built-up jig that is used for the shelf post pressure test according to claim 1 is characterized in that, described column fixed head (1) upper surface links to each other with described column base plate (5) by four hex bolts.
7. the built-up jig that is used for the shelf post pressure test according to claim 1 is characterized in that, the logical v in described stationary table plate (2) both sides crosses the T type and is bolted on the T type groove worktable (8).
8. the built-up jig that is used for the shelf post pressure test according to claim 1 is characterized in that, described column fixed head (1), stationary table plate (2), last steel ball fixture block (3) and following steel ball fixture block (4) are made by mild carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110071364 CN102156068B (en) | 2011-03-23 | 2011-03-23 | Combined clamp for rack upright post pressure test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110071364 CN102156068B (en) | 2011-03-23 | 2011-03-23 | Combined clamp for rack upright post pressure test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102156068A true CN102156068A (en) | 2011-08-17 |
| CN102156068B CN102156068B (en) | 2013-01-02 |
Family
ID=44437645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110071364 Expired - Fee Related CN102156068B (en) | 2011-03-23 | 2011-03-23 | Combined clamp for rack upright post pressure test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102156068B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076196A (en) * | 2013-01-08 | 2013-05-01 | 东华大学 | Device for testing mechanical property of shelf base combination |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220067Y (en) * | 1994-06-09 | 1996-02-14 | 西南交通大学 | Axial fatigue test chuck for high frequency fatigue tester |
| JPH0933414A (en) * | 1995-07-21 | 1997-02-07 | Nippon Steel Corp | Special fulcrum jig for compression test |
| US20090139344A1 (en) * | 2007-11-30 | 2009-06-04 | Dynamic Systems, Inc. | Apparatus for a cam-based jack assembly for use in materials, testing machines and an accompanying method for use therewith |
-
2011
- 2011-03-23 CN CN 201110071364 patent/CN102156068B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220067Y (en) * | 1994-06-09 | 1996-02-14 | 西南交通大学 | Axial fatigue test chuck for high frequency fatigue tester |
| JPH0933414A (en) * | 1995-07-21 | 1997-02-07 | Nippon Steel Corp | Special fulcrum jig for compression test |
| US20090139344A1 (en) * | 2007-11-30 | 2009-06-04 | Dynamic Systems, Inc. | Apparatus for a cam-based jack assembly for use in materials, testing machines and an accompanying method for use therewith |
Non-Patent Citations (2)
| Title |
|---|
| 张淑广等: "抗压夹具在自动压力机上的误差分析", 《水泥》 * |
| 田文明: "球销铆接夹具设计", 《模具制造》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076196A (en) * | 2013-01-08 | 2013-05-01 | 东华大学 | Device for testing mechanical property of shelf base combination |
| CN103076196B (en) * | 2013-01-08 | 2015-04-08 | 东华大学 | Device for testing mechanical property of shelf base combination |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102156068B (en) | 2013-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100520344C (en) | Multiple way fatigue loading clamping device for x-shape spot welding test sample | |
| CN201881174U (en) | Clamp for turning K6 bearing saddle surface | |
| CN206083941U (en) | Drilling machine clamping apparatus | |
| CN203566135U (en) | Welding locating tool | |
| CN103234815A (en) | Test jig for testing K type composite material joint intensity | |
| CN203414337U (en) | Special clamp for automobile plate welding spot cross tensile experiment | |
| CN201852751U (en) | Shearing mould for pavement test specimen | |
| CN205614369U (en) | Automobile parts positioning and clamping device | |
| CN201291365Y (en) | Welding positioner clamper special for 200km/h electric locomotive frame work | |
| CN203357106U (en) | Adjustable centring device for processing internal spline of driving wheel of wind power paddle changing mechanism | |
| CN205074806U (en) | A appurtenance for processing wide diesel engine connecting rod of wedge side wheel has | |
| CN102156068B (en) | Combined clamp for rack upright post pressure test | |
| CN205888945U (en) | A anchor clamps for step shaft | |
| CN105458344A (en) | Connecting rod locating drill jig | |
| CN202741973U (en) | Welding assembly flip platform of electronic counterweight frame for elevator | |
| CN202668397U (en) | Double-rocker clamp | |
| CN205571972U (en) | Stopper camshaft keyway processing milling machine fixture | |
| CN204382131U (en) | Threaded self-locking hand-operated clamping fixture | |
| CN203304932U (en) | Positioning device for milling parts of gas turbine | |
| CN203430924U (en) | Tool for fixing cylindrical component | |
| CN208721381U (en) | A kind of abnormity type component loading device | |
| CN201736044U (en) | Fast-clamping multi-pressure head clamp | |
| CN202780605U (en) | Clamp | |
| CN202053050U (en) | Welding clamping apparatus | |
| CN205733633U (en) | Fixture for cylinder assembly welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20130102 Termination date: 20160323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |