CN102156068B - Combined clamp for rack upright post pressure test - Google Patents
Combined clamp for rack upright post pressure test Download PDFInfo
- Publication number
- CN102156068B CN102156068B CN 201110071364 CN201110071364A CN102156068B CN 102156068 B CN102156068 B CN 102156068B CN 201110071364 CN201110071364 CN 201110071364 CN 201110071364 A CN201110071364 A CN 201110071364A CN 102156068 B CN102156068 B CN 102156068B
- Authority
- CN
- China
- Prior art keywords
- steel ball
- fixture block
- fixed head
- upright post
- worktable
- 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 - Fee Related
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 for rack upright post pressure test.
Background technology
Exist a large amount of shelf posts in the engineering reality and need to 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 fully hinged.But how can be accurately and finish easily rack upright post pressure test, also have following problem: the two ends of (1) column test specimen can not be fully hinged with lower table on the pressing machine, need to design a cover unit clamp; (2) present, mostly adopt simplified way in the engineering.Namely do not adopt hinged or hinged lower end, upper end not hinged.Therefore causing test is not completely column axial compression test, 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 of different model or size are different, for the different anchor clamps of different specimen Designs, will greatly increase testing expense.
Summary of the invention
Technical matters to be solved by this invention provides a kind of built-up jig for rack upright 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 for rack upright post pressure test is provided, comprise column fixed head, worktable fixed head, upper steel ball fixture block and lower 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 described upper steel ball fixture block; Described worktable fixed head both sides are fixed with T-shaped groove worktable; Described worktable fixed head upper surface links to each other with described lower steel ball fixture block; Has the identical groove that is used for clamping steel ball between the described upper steel ball fixture block surface relative with lower steel ball fixture block.
The center of described column fixed head upper surface is provided with boss, and the boss middle part of described column fixed head arranges the threaded hole that runs through described column fixed head.
The center of described worktable fixed head upper surface is provided with boss, and the boss middle part of described worktable fixed head arranges the threaded hole that runs through described column fixed head.
One middle side part of described upper steel ball fixture block and lower steel ball fixture block is equipped with threaded column, and the opposite side middle part is provided with ball recess.
One middle side part of described upper steel ball fixture block and lower steel ball fixture block is equipped with threaded column, and the opposite side middle part is equipped with boss, and the boss of described upper steel ball fixture block and lower 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 worktable fixed head both sides are bolted on the T-shaped groove worktable by T-shaped.
Described column fixed head, worktable fixed head, upper steel ball fixture block and lower steel ball fixture block are made by mild carbon steel.
Beneficial effect
Owing to having 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 all the time in test axial load, avoided the impact 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 steel ball fixture block and the steel ball of different size just can test the column test specimen of different model, so that do not change bearing accuracy when carrying out clamping, it is large 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 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 schematic diagram of upper and lower steel ball fixture block one side of embodiment 1 among the present invention;
Fig. 4 is the schematic 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 worktable fixed head among the present invention;
Fig. 6 is the schematic diagram of upper and lower steel ball fixture block one side of embodiment 2 among the present invention;
Fig. 7 is the schematic 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 for explanation the present invention 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 limited range equally.
Embodiment 1: the present embodiment relate to a kind of built-up jig for rack upright 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.Such as Fig. 2, Fig. 3 and shown in Figure 4, one middle side part of upper steel ball fixture block 3 has threaded column, 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 upper steel ball fixture block 3 is screwed into be fixed.Worktable fixed head 2 is positioned on the T-shaped groove worktable 8 of pressing machine, utilizes 8 T-shaped bolts to be fixed on the T-shaped groove worktable 8 by 8 bolts hole on the worktable fixed head 2, and T-shaped bolt can move to adjust along T-shaped groove the position of worktable fixed head 2.The structure of lower steel ball fixture block 4 is identical with the structure of upper steel ball fixture block 3.As shown in Figure 5, the boss of worktable fixed head 2 middle part has the threaded hole that runs through whole, the threaded column Alignment stage fixed head 2 screwed hole of centre rotation of lower steel ball fixture block 4 is screwed into be fixed.The center of upper steel ball fixture block 3 and lower steel ball fixture block 4 one sides is equipped with ball recess, the upper 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 lower steel ball fixture block 4 on the worktable fixed head 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 is installed fixing in an identical manner.Column test load application for different model is different, need to select the steel ball of different-diameter to test, and will choose so corresponding steel ball fixture block.The used steel ball fixture block of the present embodiment is applied to the larger 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: the present embodiment relates to a kind of built-up jig for rack upright 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 column, the opposite side middle part is equipped with boss, and is equipped with ball recess at the boss of upper and lower steel ball fixture block.By increasing boss in steel ball fixture block one side, can make this fixture application in the steel ball of small diameter, thereby avoid the steel ball fixture block when steel ball rotates, to bump.The mode of embodiment 1 described installation steel ball fixture block is equally applicable to the mode that the 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 then will need to use rotates and is screwed into corresponding threaded hole and gets final product.Like this, need not replacing columns fixed head and worktable fixed head, 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, so that trial stretch becomes large, 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 all the time in test axial load, avoided the impact 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 steel ball fixture block and the steel ball of different size just can test the column test specimen of different model, so that do not change bearing accuracy when carrying out clamping, it is large 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 rack upright post pressure test, comprise column fixed head (1), worktable fixed head (2), upper steel ball fixture block (3) and lower 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 described upper steel ball fixture block (3); Described worktable fixed head (2) both sides are fixed with T-shaped groove worktable (8); Described worktable fixed head (2) upper surface links to each other with described lower steel ball fixture block (4); Has the identical groove that is used for clamping steel ball (7) between described upper steel ball fixture block (3) surface relative with lower steel ball fixture block (4).
2. the built-up jig for rack upright 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) arranges the threaded hole that runs through described column fixed head.
3. the built-up jig for rack upright post pressure test according to claim 1, it is characterized in that, the center of described worktable fixed head (2) upper surface is provided with boss, and the boss middle part of described worktable fixed head (2) arranges the threaded hole that runs through described worktable fixed head (2).
4. the built-up jig for rack upright post pressure test according to claim 1 is characterized in that, a middle side part of described upper steel ball fixture block (3) and lower steel ball fixture block (4) is equipped with threaded column, and the opposite side middle part is provided with ball recess.
5. the built-up jig for rack upright post pressure test according to claim 1 is characterized in that, a middle side part of described upper steel ball fixture block (3) and lower steel ball fixture block (4) is equipped with threaded column, and the opposite side middle part is equipped with boss; The opposite face of described upper steel ball fixture block (3) and lower steel ball fixture block (4) is provided with ball recess.
6. the built-up jig for rack upright 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 for rack upright post pressure test according to claim 1 is characterized in that, described worktable fixed head (2) both sides are bolted on the T-shaped groove worktable (8) by T-shaped.
8. the built-up jig for rack upright post pressure test according to claim 1 is characterized in that, described column fixed head (1), worktable fixed head (2), upper steel ball fixture block (3) and lower 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 CN102156068A (en) | 2011-08-17 |
| CN102156068B true 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 |
|---|---|---|---|---|
| RU213832U1 (en) * | 2022-03-31 | 2022-09-30 | Евгений Юрьевич Широков | RACK TESTING DEVICE |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076196B (en) * | 2013-01-08 | 2015-04-08 | 东华大学 | Device for testing mechanical property of shelf base combination |
Citations (1)
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0933414A (en) * | 1995-07-21 | 1997-02-07 | Nippon Steel Corp | Special fulcrum jig for compression test |
| US7827868B2 (en) * | 2007-11-30 | 2010-11-09 | 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 (1)
| 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 |
Non-Patent Citations (5)
| Title |
|---|
| JP特开平9-33414A 1997.02.07 |
| 张淑广等.抗压夹具在自动压力机上的误差分析.《水泥》.2006,(第8期),65. |
| 抗压夹具在自动压力机上的误差分析;张淑广等;《水泥》;20060810(第8期);65 * |
| 球销铆接夹具设计;田文明;《模具制造》;20080315(第3期);37-38 * |
| 田文明.球销铆接夹具设计.《模具制造》.2008,(第3期),37-38. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU213832U1 (en) * | 2022-03-31 | 2022-09-30 | Евгений Юрьевич Широков | RACK TESTING DEVICE |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102156068A (en) | 2011-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203817820U (en) | Positioning clamping tool for bottom scraping of gear box | |
| CN201881174U (en) | Clamp for turning K6 bearing saddle surface | |
| CN203566135U (en) | Welding locating tool | |
| US10196087B2 (en) | Method for drilling a steering knuckle casting | |
| CN203414337U (en) | Special clamp for automobile plate welding spot cross tensile experiment | |
| CN206105232U (en) | Welding frock convenient to quick node construction connects | |
| CN102156068B (en) | Combined clamp for rack upright post pressure test | |
| CN205614369U (en) | Automobile parts positioning and clamping device | |
| CN205888945U (en) | A anchor clamps for step shaft | |
| CN102126154A (en) | Screw guide rail driving device for twin-screw driving machine tool | |
| CN204265174U (en) | A kind of elevator guide devices | |
| CN203266178U (en) | Seam-joint face machining clamp for wine bottle mold | |
| CN103028979A (en) | Tool | |
| CN202741973U (en) | Welding assembly flip platform of electronic counterweight frame for elevator | |
| CN202894808U (en) | Vehicular turbine rotor clamp | |
| CN201889654U (en) | Processing device for axel-hung box | |
| CN205519806U (en) | Drilling special fixture of reduction case | |
| CN211414397U (en) | Automobile connecting rod joint screw hole machining clamp | |
| CN213180126U (en) | Bidirectional pressing column machine | |
| CN203304932U (en) | Positioning device for milling parts of gas turbine | |
| CN203430924U (en) | Tool for fixing cylindrical component | |
| CN202869528U (en) | Flexible clamping detection system | |
| CN201736044U (en) | Fast-clamping multi-pressure head clamp | |
| CN105436939A (en) | Milling machine fixture of oil way bracket | |
| CN202571922U (en) | Clamping device for machining wind driven generator seat |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20160323 |