CN203965234U - A kind of test of the adjustable arm of force loads load transfer device - Google Patents
A kind of test of the adjustable arm of force loads load transfer device Download PDFInfo
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- CN203965234U CN203965234U CN201420378798.9U CN201420378798U CN203965234U CN 203965234 U CN203965234 U CN 203965234U CN 201420378798 U CN201420378798 U CN 201420378798U CN 203965234 U CN203965234 U CN 203965234U
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- transfer device
- distribution beam
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Abstract
The test that the utility model discloses a kind of adjustable arm of force loads load transfer device, comprise distribution beam, register pin and coupling arrangement, distribution beam is provided with many row's pin-and-holes along its length, coupling arrangement comprises sleeve pipe, stiffener and web joint, sleeve pipe is the steel pipe of internal diameter and pin-and-hole equal diameters, one end of stiffener and bushing outer surface welding, the other end of stiffener and web joint welding, on web joint, offer bolt hole, the sleeve pipe of described coupling arrangement is fixed by register pin after aliging with distribution beam pin-and-hole, the web joint of coupling arrangement by high-strength bolt respectively with bearing, loading specimen, loading equipemtn connects.It is wider that the test of the adjustable arm of force of the present utility model loads the load transfer device scope of application, can adjust flexibly for the requirement of different tests, the problems such as loading equipemtn load capability is limited, stroke is excessive, loading method is single have greatly been overcome, device structure is simple and clear, operation is simple, cost is lower, has fine promotional value.
Description
Technical field
The test that the utility model relates to structural test field, particularly a kind of adjustable arm of force loads load transfer device.
Background technology
Model test is a kind of important means of carrying out engineering structure research.Modern project structure is medium-and-large-sized, polymorphic structure emerges in an endless stream, and it is carried out to model test needs large-tonnage, high performance loading equipemtn.In engineering model test, if the load capability of loading equipemtn is limited, have to adopt scaled model to meet the requirement of load capability; When carrying out the model test of structure, if the rigidity of test model is lower, be out of shape greatlyr, can affect the frequency that test loads, need to adopt suitable means to reduce the stroke of loading equipemtn in process of the test and improve loading frequency; In some cases, need to apply to test model the load (as pulling force) of specific direction, and loading equipemtn is can only provide reverse load (as pressure) time, needs specific device to change load direction.
Utility model content
The purpose of this utility model is to provide a kind of test of the adjustable arm of force to load load transfer device, and it uses lever principle, by the adjustment arm of force, within the specific limits scale-up load, reduce loading equipemtn stroke, and convertible loading direction.
For achieving the above object, the utility model is implemented according to following technical scheme:
A kind of test of the adjustable arm of force loads load transfer device, be connected to bearing, loading specimen, on loading equipemtn, this device comprises distribution beam, register pin and coupling arrangement, described distribution beam is provided with many row's pin-and-holes along its length, coupling arrangement comprises sleeve pipe, stiffener and web joint, described sleeve pipe is the steel pipe of internal diameter and pin-and-hole equal diameters, one end of stiffener and bushing outer surface welding, the other end of stiffener and web joint welding, on web joint, offer bolt hole, the sleeve pipe of described coupling arrangement is fixed by register pin after aliging with distribution beam pin-and-hole, the web joint of coupling arrangement by high-strength bolt respectively with bearing, loading specimen, loading equipemtn connects.
As preferred version of the present utility model, described distribution beam is welded on two blocks of horizontal steel plates that are parallel to each other and is formed by two blocks of perpendicular steel plates of putting that are parallel to each other, and the perpendicular steel plate of putting is provided with many row's pin-and-holes.
As preferred version of the present utility model, described register pin is the cylindrical steel rods matching with pin-and-hole, register pin two ends have been provided with external thread, external thread is provided with nut, the diameter of described register pin is than the little 0.25mm ~ 0.5mm of the diameter of pin-and-hole, the large 10 ~ 15cm of Length Ratio distribution beam width of register pin.
As preferred version of the present utility model, the thickness of described sleeve pipe is not less than the perpendicular thickness of putting steel plate of 0.5 times.
As preferred version of the present utility model, described perpendicular upper and lower part of putting steel plate all has symmetrical pin-and-hole, and the diameter of pin-and-hole is not less than the perpendicular thickness of putting steel plate.
As preferred version of the present utility model, described pin-and-hole and perpendicular distance of putting steel plate edge are not less than the diameter of 1.5 times of pin-and-holes, and the distance between pin-and-hole is not less than the diameter of 1.5 times of pin-and-holes.
Concrete using method of the present utility model: first, determine bearing, loading equipemtn, the position of loading specimen three in distribution beam according to the real needs of structural model test (scale-up load, reduce loading equipemtn stroke or conversion loading direction).In distribution beam corresponding position, after the sleeve pipe of coupling arrangement is alignd with distribution beam pin-and-hole, inserting register pin can lock the above two.At register pin two ends, cover jack panel skids off from pin-and-hole and sleeve pipe to prevent register pin.See through the bolt hole on web joint, adopt high-strength bolt to realize bearing, loading specimen, loading equipemtn and be located by connecting with corresponding coupling arrangement, unlatching loading equipemtn can carry out model test.
Compared with prior art, it is wider that the test of the adjustable arm of force of the present utility model loads the load transfer device scope of application, can adjust flexibly for the requirement of different tests, the problems such as loading equipemtn load capability is limited, stroke is excessive, loading method is single have greatly been overcome, device structure is simple and clear, operation is simple, cost is lower, has fine promotional value.
Accompanying drawing explanation
Fig. 1 is the structural representation that is arranged as scale-up load functional form that the test of the adjustable arm of force of the present utility model loads load transfer device;
Fig. 2 is the structural representation that reduces loading equipemtn stroke functional form that is arranged as that the test of the adjustable arm of force of the present utility model loads load transfer device;
Fig. 3 is the structural representation that is arranged as conversion loading direction functional form that the test of the adjustable arm of force of the present utility model loads load transfer device;
Fig. 4 is the side view of distribution beam of the present utility model;
Fig. 5 is the structural representation of register pin;
Fig. 6 is the structural representation of coupling arrangement.
Embodiment
Below in conjunction with specific embodiment, the utility model is further described, in illustrative examples and the explanation of this utility model, is used for explaining the utility model, but not as to restriction of the present utility model.
As Fig. 1, Fig. 2, Fig. 3, the test of a kind of adjustable arm of force shown in Fig. 6 loads load transfer device, be connected to bearing 12, loading specimen 13, on loading equipemtn 14, this device comprises distribution beam 1, register pin 4 and coupling arrangement 2, distribution beam 1 is provided with many row's pin-and-holes 11 along its length, coupling arrangement 2 comprises sleeve pipe 7, stiffener 8 and web joint 9, described sleeve pipe 7 is the steel pipe of internal diameter and pin-and-hole 11 equal diameters, the thickness of sleeve pipe 7 is not less than the perpendicular thickness of putting steel plate 5 of 0.5 times, one end of stiffener 8 and sleeve pipe 7 outside surface welding, the other end of stiffener 8 and web joint 9 welding, on web joint 9, offer bolt hole 10, it is fixing by register pin 4 after the sleeve pipe 7 of coupling arrangement 2 aligns with distribution beam 1 pin-and-hole 11, and interior high-strength bolt and the bearing 12 used respectively of bolt hole 10 on the web joint 9 of coupling arrangement 2, loading specimen 13, loading equipemtn 14 connects, coupling arrangement 2 can slide in distribution beam 1, and be fixed in distribution beam 1 by register pin 4.
As shown in Figure 4, distribution beam 1 is welded on two blocks of horizontal steel plates 6 that are parallel to each other and is formed by two blocks of perpendicular steel plates 5 of putting that are parallel to each other, perpendicular upper and lower part of putting steel plate 5 all has symmetrical pin-and-hole 11, the diameter of pin-and-hole 11 is not less than the perpendicular thickness of putting steel plate 5, pin-and-hole 11 and perpendicular distance of putting steel plate 5 edges are not less than the diameter of 1.5 times of pin-and-holes 11, and the distance between pin-and-hole 11 is not less than the diameter of 1.5 times of pin-and-holes 11.
As shown in Figure 5, register pin 4 is the cylindrical steel rods matching with pin-and-hole 11, adopt wear-resisting manganese vanadium alloy steel to make, register pin 4 two ends have been provided with external thread, by screwing nut 3, to prevent register pin, from pin-and-hole and sleeve pipe, skid off, the diameter of register pin 4 is than the little 0.25mm ~ 0.5mm of the diameter of pin-and-hole 11, the large 10 ~ 15cm of Length Ratio distribution beam 1 width of register pin 4.
Concrete using method of the present utility model: first, determine bearing 12, loading equipemtn 14, the position of loading specimen 13 threes in distribution beam 1 according to the real needs of structural model test (scale-up load, reduce loading equipemtn stroke or conversion loading direction).In distribution beam 1 corresponding position, after the sleeve pipe of coupling arrangement 27 is alignd with distribution beam 1 pin-and-hole 11, inserting register pin 4 can lock the above two.At register pin 4 two ends cover jack panels 3, to prevent register pin 4, from pin-and-hole 11 and sleeve pipe 7, skid off.See through the bolt hole 10 on web joint 9, adopt high-strength bolt to realize bearing 12, loading specimen 13, loading equipemtn 14 and be located by connecting with corresponding coupling arrangement 2, unlatching loading equipemtn 14 can carry out model test.
For the model test that exceeds the existing loading equipemtn tonnage upper limit, can use lever principle scale-up load by this device.By adjusting bearing 12, loading specimen 13, the relative position of loading equipemtn 14 these threes in distribution beam 1: loading specimen 13 is arranged between bearing 12 and loading equipemtn 14, and suitably increase loading equipemtn 14 to the arm of force length of bearing 12 according to test demand, with this, realize the amplification of load, as shown in Figure 1.Compare with again buying heavy load equipment, can reduce experimentation cost.
Excessive for the less loading equipemtn stroke causing of specimen stiffness, the mode by this device with Indirect Loaded, uses lever principle to reduce loading equipemtn stroke.By adjusting bearing 12, loading specimen 13, the relative position of loading equipemtn 14 these threes in distribution beam 1: loading equipemtn 14 is arranged between bearing 12 and loading specimen 13, and suitably dwindle loading equipemtn 14 to the arm of force length of bearing 12 according to test demand, with this, realize reducing of loading equipemtn 14 strokes, as shown in Figure 2.
In some situation, need to apply to test model the load (as pulling force) of specific direction, and loading equipemtn is can only provide reverse load (as pressure) time, can to load direction, change by this device.By adjusting bearing 12, loading specimen 13, the relative position of loading equipemtn 14 these threes in distribution beam 1: loading equipemtn 14 and loading specimen 13 are arranged in to the two ends of bearing 12, realize the conversion of tension and compression load with this, as shown in Figure 3.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion of making according to the technical solution of the utility model, within all falling into protection domain of the present utility model.
Claims (6)
1. the test of an adjustable arm of force loads load transfer device, be connected to bearing (12), loading specimen (13), on loading equipemtn (14), it is characterized in that: this device comprises distribution beam (1), register pin (4) and coupling arrangement (2), described distribution beam (1) is provided with many row's pin-and-holes (11) along its length, coupling arrangement (2) comprises sleeve pipe (7), stiffener (8) and web joint (9), described sleeve pipe (7) is the steel pipe of internal diameter and pin-and-hole (11) equal diameters, one end of stiffener (8) and the welding of sleeve pipe (7) outside surface, the other end of stiffener (8) and web joint (9) welding, on web joint (9), offer bolt hole (10), it is fixing by register pin (4) after the sleeve pipe (7) of described coupling arrangement (2) aligns with distribution beam (1) pin-and-hole (11), the web joint of coupling arrangement (2) by high-strength bolt respectively with bearing (12), loading specimen (13), loading equipemtn (14) connects.
2. the test of the adjustable arm of force according to claim 1 loads load transfer device, it is characterized in that: described distribution beam (1) is welded on the upper formation of two blocks of horizontal steel plates (6) that are parallel to each other by two blocks of perpendicular steel plates (5) of putting that are parallel to each other, and the perpendicular steel plate (5) of putting is provided with many row's pin-and-holes (11).
3. the test of the adjustable arm of force according to claim 1 loads load transfer device, it is characterized in that: described register pin (4) is the cylindrical steel rods matching with pin-and-hole (11), register pin (4) two ends have been provided with external thread, external thread is provided with nut (3), the diameter of described register pin (4) is than the little 0.25mm ~ 0.5mm of diameter of pin-and-hole (11), the large 10 ~ 15cm of Length Ratio distribution beam (1) width of register pin (4).
4. the test of the adjustable arm of force according to claim 1 loads load transfer device, it is characterized in that: the thickness of described sleeve pipe (7) is not less than the perpendicular thickness of putting steel plate (5) of 0.5 times.
5. the test of the adjustable arm of force according to claim 1 loads load transfer device, it is characterized in that: described perpendicular upper and lower part of putting steel plate (5) all has symmetrical pin-and-hole (11), the diameter of pin-and-hole (11) is not less than the perpendicular thickness of putting steel plate (5).
6. the test of the adjustable arm of force according to claim 1 loads load transfer device, it is characterized in that: described pin-and-hole (11) and perpendicular distance of putting steel plate (5) edge are not less than the diameter of 1.5 times of pin-and-holes (11), and the distance between pin-and-hole (11) is not less than the diameter of 1.5 times of pin-and-holes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420378798.9U CN203965234U (en) | 2014-07-10 | 2014-07-10 | A kind of test of the adjustable arm of force loads load transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420378798.9U CN203965234U (en) | 2014-07-10 | 2014-07-10 | A kind of test of the adjustable arm of force loads load transfer device |
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| Publication Number | Publication Date |
|---|---|
| CN203965234U true CN203965234U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420378798.9U Expired - Fee Related CN203965234U (en) | 2014-07-10 | 2014-07-10 | A kind of test of the adjustable arm of force loads load transfer device |
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| CN (1) | CN203965234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236996A (en) * | 2014-07-10 | 2014-12-24 | 李小珍 | Test load force transmission device with adjustable force arm |
-
2014
- 2014-07-10 CN CN201420378798.9U patent/CN203965234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236996A (en) * | 2014-07-10 | 2014-12-24 | 李小珍 | Test load force transmission device with adjustable force arm |
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| Date | Code | Title | Description |
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| 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: 20141126 Termination date: 20170710 |