CN201392296Y - Testing pressurizing device - Google Patents
Testing pressurizing device Download PDFInfo
- Publication number
- CN201392296Y CN201392296Y CN200920107432U CN200920107432U CN201392296Y CN 201392296 Y CN201392296 Y CN 201392296Y CN 200920107432 U CN200920107432 U CN 200920107432U CN 200920107432 U CN200920107432 U CN 200920107432U CN 201392296 Y CN201392296 Y CN 201392296Y
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- screw mandrel
- briquetting
- bulb
- groove
- base
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Abstract
A testing pressurizing device belongs to the transmission filed and comprises a loader, a testing bearing frame and a restraint device. The loader comprises a reaction frame (4), a hydraulic press (5) and a force transducer (6). The testing pressurizing device is characterized in that the restraint device includes a top portion and a bottom portion which are symmetrical, the top restraint device consists of a top ball head (7), a top ball head groove (9), a top base (15), a top lead screw (16), a top lead screw nut (17), a top pressure block (18) and a top clamp (8), the top ball head (7) is connected with the force transducer (6), the bottom restraint device consists of a bottom ball head seat (13), a bottom ball head groove (11), a bottom base (22), a bottom lead screw (19), a bottom lead screw nut (20), a bottom pressure block (21) and a bottom clamp (12). The testing pressurizing device resolves restraint problems of angle steels with different sections via the clamps at two ends of the restraint device.
Description
Technical field
The utility model relates to a kind of charger of realizing the electric power pylon compression bearing test of angle iron component, can realize that especially the pressurized tests of electric power pylon angle iron component loads, and belongs to iron tower of power transmission line design and research field.
Background technology
At present, electric power pylon mostly adopts angle steel design, and the charger of electric power pylon compression member bearingtest all is made up of loader, test heavy frame, restraint device three parts basically.With the physical constraint condition of restraint device simulation test member, realize the stress deformation situation of member under the particular constraints condition by charger.General charger is applicable to the cross section of remaining silent (circle, rectangle etc.) member, is difficult for realizing that the compression bearing of opening section (angle steel etc.) member loads.
In addition, general charger often can only be realized the loading of the axial compression situation of member, and is difficult to realize for the loading that realizes the eccentric end axial compression situation of a member two ends eccentric compression and an end.Fig. 1 is a member pressurized charger (loader is identical with the utility model with test heavy frame part) commonly used at present, and the restrained end of this device is made up of last edge of a knife end, edge of a knife groove and following edge of a knife end, and the center of following edge of a knife end overlaps with the member section centre of form.This device can realize that the member axial compression loads, but the position, center of edge of a knife end is fixed down, can't realize that the eccentric compression of member loads.
The utility model content
Can not realize the problem of various section angle iron pressurizeds and the multiple end restraint of simulation in order to solve existing member pressurized tests charger, realize that charger is simple in structure, power transmission is clear, and load application is accurate, the purpose of member easy installation and removal.
The utility model realizes that the technical scheme that above technical requirement is adopted is: designed a cover restraint device, be the restricted problem of solution and various section angle iron on the one hand, mainly realize by the anchor clamps at restraint device two ends, wherein briquetting is a movable part, and its shape can be determined according to the cross sectional shape of member.
The utility model provides by loader, test heavy frame, restraint device three parts to be formed; Loader comprises reaction frame 4, hydropress 5, force transducer 6;
It is characterized in that: described restraint device, be divided into two parts of symmetry up and down, the top restraint device is made up of top bulb 7, top bulb groove 9, top base 15, top screw mandrel 16, top screw mandrel mother 17, top briquetting 18 and top clamp 8; Top bulb 7 links to each other with force transducer 6;
Be followed successively by from top to bottom: top bulb 7 places top bulb groove 9, top bulb groove 9 fixedly connected top bases 15, place top screw mandrel 16, top screw mandrel mother 17, top briquetting 18 and top clamp 8 on the same surface level of top base 15, top screw mandrel female 17 connects top screw mandrel 16, top screw mandrel 16 withstands top briquetting 18, leaves the slit that is used to clamp member 10 between top briquetting 18 and the top clamp 8;
The lower constraint device is made up of bottom ball cup 13, bottom bulb groove 11, bottom base 22, bottom screw mandrel 19, bottom screw mandrel mother 20, bottom briquetting 21 and bottom jig 12;
Be followed successively by from top to bottom: bottom screw mandrel 19, bottom screw mandrel mother 20, bottom briquetting 21 and bottom jig 12 all place on the bottom base 22, bottom screw mandrel female 20 connects bottom screw mandrel 19, bottom screw mandrel 19 withstands bottom briquetting 21, leaves the slit that is used to clamp member 10 between bottom briquetting 21 and the bottom jig 12; Bottom bulb groove 11 is fixedly connected on bottom base 22 belows, and the bottom bulb 23 of bottom ball cup 13 places bottom bulb groove 11, and bottom ball cup 13 connects bottom support 14.
Place the anchor clamps of two ends restraint device and the slit between the briquetting to locate respectively at the two ends of angle iron component 10, top briquetting 18 and bottom briquetting 21 are movable, and by placing difform briquetting, in order to the constraint of realization with various section angle iron.
Be to solve determining and connectivity problem of angle steel load(ing) point on the other hand, realize by the position of adjusting restraint device end bulb groove, can a plurality of tops bulb groove and bottom bulb groove be set according to the load(ing) point position during enforcement, also can move the position of welding groove, the method for direct mobile groove location is simple.
The utility model provides a kind of experiment loading unit of realizing simulating multiple rod end confining part pressurized, and this device can not only realize that the axial compression of member loads, and can also realize that the two ends eccentric compression of member loads and the eccentric end axial compression loading of an end.
The beneficial effects of the utility model are: the one) restricted problem of solution and various section angle iron, realize by the anchor clamps at restraint device two ends.The bulb at restraint device two ends and groove constitute ball pivot, can accurately simulate the hinged constraint at member two ends.
Two) not only can realize the loading of angle iron component axial compression situation, can also realize the simulation loading of the eccentric end axial compression situation of an angle iron component two ends eccentric compression and an end, simple in structure, power transmission is clear, and load application is accurate, the member easy installation and removal.
Description of drawings
Fig. 1 is an edge of a knife hinge charger, and wherein Figure 1A is the enlarged drawing of last edge of a knife end; Figure 1B is the enlarged drawing of edge of a knife groove; Fig. 1 C is the enlarged drawing of following edge of a knife end; Fig. 1 D is the overall diagram of edge of a knife hinge charger.
1, goes up edge of a knife end; 2, edge of a knife groove; 3, following edge of a knife end
Fig. 2 is one of the present utility model and implements illustration
Fig. 3 is the structural map of top restraint device
Fig. 4 is the structural map of bottom restraint device
Fig. 5 is a bottom bulb structural map
4, reaction frame; 5, hydropress; 6, force transducer; 7, top bulb; 8, top clamp; 9, top bulb groove; 10, member; 11, bottom bulb groove; 12, bottom jig; 13, bottom ball cup; 14, bottom support; 15, top base; 16, top screw mandrel; 17, top screw mandrel mother; 18, top briquetting; 19, bottom screw mandrel; 20, bottom screw mandrel mother; 21, bottom briquetting; 22, bottom base; 23, bottom bulb
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
In Fig. 2, the situation that embodiment loads for simulation angle iron component pressurized.Hydropress shown in Figure 2, sensor, bulb, ball cup are on the same plumb line, and Fig. 5 is the structural map of bottom ball cup.The two ends of angle iron component are respectively installed on Fig. 3 and the top clamp and bottom jig shown in Figure 4.
Specifically have a detailed description, repeat no more herein in conjunction with being described in the utility model content of label.During installation, by rotation top screw mandrel with the bottom screw mandrel makes top briquetting and bottom briquetting that the angle steel two ends are compressed respectively and fixing.The axial compression of angle iron component and eccentric compression are realized by the position of adjusting top bulb groove and bottom bulb groove.Bottom bulb groove is overlapped with the cross section centre of form of angle steel and be fixed on the bottom jig base, the ball cup on the base places bottom groove, and bottom bulb groove and bottom ball cup constitute a ball pivot.Equally, top bulb groove overlaps with the cross section centre of form of angle steel and the top bulb is placed top groove, and top bulb and top bulb groove also constitute a ball pivot, and the top bulb links to each other with hydropress by sensor.The member two ends are placed to respectively on top clamp and the bottom jig, load, guaranteed that component ends only bears axle pressure, has realized the axial compression of member by hydropress.
The charger of the eccentric end axial compression of an angle iron component two ends eccentric compression and an end, its ingredient is identical with the axial compression situation, and difference just is according to the load(ing) point position a plurality of tops bulb groove and bottom bulb groove to be set.Also can move the position of welding groove, the method for direct mobile groove location is simple.
At the eccentric loading end of member, the bulb groove is overlapped with the cross section eccentric position of angle steel and be fixed on the clamp base, then bulb is placed the bulb groove; The connected mode of axle center loading end is identical with two ends axial compression load condition.
Wherein ball cup is connected with the bottom support bolt, and top bulb groove and bottom bulb groove are welded on respectively on top base and the bottom base, and ball joint head is placed in the bulb groove.
Adopt the utility model to carry out the test findings of compression bearing test of angle iron component and see the following form with the contrast situation of theoretical analysis value:
| The member specification | Restraint condition | Slenderness ratio | Test bearing capacity (kN) | Theoretical bearing capacity (kN) |
| L70×70×5 | The axle center, two ends | 70 | 193.47 | 183.42 |
| L70×70×5 | One end axle center, one end off-centre | 120 | 77.92 | 74.61 |
| L70×70×5 | Two ends off-centre | 100 | 73.06 | 71.41 |
Comparing result shows, the test bearing capacity is approaching with calculated value, and employing the utility model carries out angle iron component and carries out that compression bearing test can satisfy request for utilization under the various boundary conditions.
Claims (2)
1, the test pressue device is made up of loader, test heavy frame, restraint device three parts; Loader comprises reaction frame (4), hydropress (5), force transducer (6);
It is characterized in that: described restraint device, be divided into two parts of symmetry up and down, the top restraint device is made up of top bulb (7), top bulb groove (9), top base (15), top screw mandrel (16), top screw mandrel mother (17), top briquetting (18) and top clamp (8); Top bulb (7) links to each other with force transducer (6);
Be followed successively by from top to bottom: top bulb (7) places top bulb groove (9), top bulb groove (9) fixedly connected top base (15), place top screw mandrel (16), top screw mandrel mother (17), top briquetting (18) and top clamp (8) on the same surface level of top base (15), top screw mandrel mother (17) connects top screw mandrel (16), top screw mandrel (16) withstands top briquetting (18), leaves the slit that is used to clamp member (10) between top briquetting (18) and the top clamp (8);
The lower constraint device is made up of bottom ball cup (13), bottom bulb groove (11), bottom base (22), bottom screw mandrel (19), bottom screw mandrel mother (20), bottom briquetting (21) and bottom jig (12);
Be followed successively by from top to bottom: bottom screw mandrel (19), bottom screw mandrel mother (20), bottom briquetting (21) and bottom jig (12) all place on the bottom base (22), bottom screw mandrel mother (20) connects bottom screw mandrel (19), bottom screw mandrel (19) withstands bottom briquetting (21), leaves the slit that is used to clamp member (10) between bottom briquetting (21) and the bottom jig (12); Bottom bulb groove (11) is fixedly connected on bottom base (22) below, and the bottom bulb (23) of bottom ball cup (13) places bottom bulb groove (11);
Bottom ball cup (13) connects bottom support (14); Top briquetting (18) and bottom briquetting (21) are movable.
2, device according to claim 1 is characterized in that: at least one top bulb groove and at least one bottom bulb groove are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107432U CN201392296Y (en) | 2009-04-17 | 2009-04-17 | Testing pressurizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107432U CN201392296Y (en) | 2009-04-17 | 2009-04-17 | Testing pressurizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201392296Y true CN201392296Y (en) | 2010-01-27 |
Family
ID=41599117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920107432U Expired - Fee Related CN201392296Y (en) | 2009-04-17 | 2009-04-17 | Testing pressurizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201392296Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928788A (en) * | 2016-04-25 | 2016-09-07 | 重庆大学 | Spherical hinge constraining method capable of realizing hinge joint compression on 1000-t testing machine |
| CN111257119A (en) * | 2020-01-18 | 2020-06-09 | 范佳 | Bridge model test pressure device |
| CN112525666A (en) * | 2020-11-18 | 2021-03-19 | 同济大学 | Compression bar test device |
-
2009
- 2009-04-17 CN CN200920107432U patent/CN201392296Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928788A (en) * | 2016-04-25 | 2016-09-07 | 重庆大学 | Spherical hinge constraining method capable of realizing hinge joint compression on 1000-t testing machine |
| CN111257119A (en) * | 2020-01-18 | 2020-06-09 | 范佳 | Bridge model test pressure device |
| CN111257119B (en) * | 2020-01-18 | 2022-04-26 | 广东创昇金属结构有限公司 | Bridge model test pressure device |
| CN112525666A (en) * | 2020-11-18 | 2021-03-19 | 同济大学 | Compression bar test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20100417 |