CN103558147A - Vertical loading device and method under combined actions of horizontal load and vertical load - Google Patents
Vertical loading device and method under combined actions of horizontal load and vertical load Download PDFInfo
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- CN103558147A CN103558147A CN201310552301.0A CN201310552301A CN103558147A CN 103558147 A CN103558147 A CN 103558147A CN 201310552301 A CN201310552301 A CN 201310552301A CN 103558147 A CN103558147 A CN 103558147A
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Abstract
The invention discloses a vertical loading device under combined actions of a horizontal load and a vertical load. The vertical loading device comprises a counter force frame, wherein the lower surface of the counter force frame is connected with a clamping groove mechanism; a steel bead plate is arranged between an upper part steel plate and a steel plate with a groove, which are arranged up and down; the steel bead plate and the upper part steel plate are arranged in the clamping groove mechanism; the lower surface of the steel plate with the groove is provided with a first groove matched with the surface of a steel ball; the upper half part of the steel ball is located in the first groove and the lower half part of the steel ball is located in a second groove on a pressure sensor; the lower end of the pressure sensor is arranged on a jack capable of being loaded vertically; the lower end of the jack is fixedly arranged on a lower steel plate which is directly contacted with a loaded object. The invention further discloses a loading method using the device. According to the vertical loading device and the method, a problem that a rotary angle of the object is generated when the horizontal load is applied is solved and a horizontal displacement is not generated between the object and the vertical loading device when the horizontal load is applied; the acting point and the size of the vertical load are not changed along with the increasing of the horizontal displacement.
Description
Technical field
The present invention relates to a kind of vertical loading device and method under horizontal loading and vertical load acting in conjunction.
Background technology
When carrying out the test that horizontal loading and vertical load act on simultaneously, directly charger is placed on often and loads on object, or vertical load charger and loading between object by being articulated and connected, although solve like this corner problem that in loading procedure, object produces, but between object and charger, still there is relative horizontal shift, so just cause vertical load along with the increase of horizontal shift reduces gradually, knockdown even occurs and cause test to be forced to stop.
Summary of the invention
The object of the invention is, for overcoming above-mentioned the deficiencies in the prior art, provides a kind of vertical loading device and method under horizontal loading and vertical load acting in conjunction.
For achieving the above object, the present invention adopts following technical proposals:
Vertical loading device under a kind of horizontal loading and vertical load acting in conjunction, comprise for the reaction frame of counter-force is provided, the lower surface of reaction frame is fixedly connected with and can guarantees the straight-line slot mechanism of steel ball plate, steel ball plate is between top steel plate and the steel plate with groove setting up and down, steel ball plate and top steel plate are arranged in slot mechanism, lower surface with groove steel plate is provided with the first groove matching with steel ball surface, the first half of steel ball is arranged in the first groove, the latter half is arranged in the second groove on pressure transducer, pressure transducer lower end is arranged on the lifting jack that can vertically load, the lower end of lifting jack is fixed on and is loaded on the bottom steel plate that object directly contacts.
Described reaction frame is welded to form by joist steel is assembled, and integral body is inverted U, and its both ends are connected with reaction frame stationary installation by bolt.
Described slot mechanism comprises two strip-shaped steel plates that be arranged in parallel that are connected to position, both sides, reaction frame bottom by bolt, and steel ball plate and plate top steel plate are placed in draw-in groove, guarantee the rectilinear motion of steel ball plate by draw-in groove.
The height of steel ball plate and top steel plate and the height that is less than two strip-shaped steel plates.
Described steel ball plate comprises the two-layer steel disc be arrangeding in parallel, and steel disc is provided with some corresponding holes, and being provided with between two-layer steel disc is stuck in the hole of steel disc and steel ball that can automatic rotating, and the diameter in the hole on steel disc is less than the diameter of steel ball.
Described steel ball and upper lower steel plate contact position coating lubricating oil.
Utilize a loading method for vertical loading device under horizontal loading and vertical load acting in conjunction, comprise that first applying vertical load applies horizontal loading again and first apply horizontal loading and apply vertical load again;
When wherein, first applying vertical load and apply horizontal loading again:
1-1) reaction frame is connected in stationary installation and by slot mechanism and is connected on reaction frame with bolt, then lifting jack bottom steel plate is connected complete with bolt respectively with pressure transducer with lifting jack;
1-2) on pressure transducer, place steel ball, according to order from bottom to up, place respectively band groove steel plate, steel ball plate, top steel plate, and coating lubricating oil;
1-3) whole device is placed on and is loaded on object centre position, slowly applies vertical load, and observes pressure transducer dial reading, while applying vertical load, should deduct pressure transducer, vertically load the gravity of lifting jack and lifting jack bottom steel plate;
1-4), after vertical load has applied, apply horizontal loading;
When first applying horizontal loading and applying vertical load again:
2-1) reaction frame is connected in stationary installation and by slot mechanism and is connected on reaction frame with bolt, then lifting jack bottom steel plate is connected complete with bolt respectively with pressure transducer with lifting jack;
2-2) apply horizontal loading;
2-3) on pressure transducer, place steel ball, according to order from bottom to up, place respectively band groove steel plate, steel ball plate, top steel plate, and coating lubricating oil;
2-4) whole device is placed on and is loaded on object centre position, slowly applies vertical load, and observes pressure transducer dial reading, while applying vertical load, should deduct pressure transducer, vertically load the gravity of lifting jack and lifting jack bottom steel plate.
Steel ball plate of the present invention is comprised of equal-sized numerous steel balls, in steel ball middle part, two layers of thin steel disc is set, and guarantees that steel ball becomes a smooth integral body, the upper and lower and steel plate contact position coating lubricating oil of steel ball.Steel ball plate can guarantee the horizontal slip of vertical loading device, can guarantee again the even transmission of vertical load.
Reaction frame is welded by joist steel, and integral body is inverted U, and is connected with reaction frame stationary installation by bolt.The counter-force that is 200kN to the maximum can be provided.
Draw-in groove is two strip-shaped steel plates, is connected to the bottom of reaction frame with bolt, guarantees can not depart from reaction frame in steel ball plate motion process, guarantees the traveling priority of steel ball plate.
Band groove steel plate thickness is 20mm, and middle part is provided with ball recess, and its size is identical with pressure transducer groove size.Steel plate top scribbles lubricating oil, reduces the friction force between steel ball plate and steel plate.
Steel ball is placed in the middle of pressure transducer groove and steel plate groove, makes being connected to of lifting jack and steel plate hinged.This device has avoided the horizontal shift producing under horizontal loading and vertical uniform load q to cause loading object rotation and vertical load eccentricity issues.
Lifting jack maximal tensility is 20cm, the vertical load of maximum 150000N can be provided, its top is connected with pressure transducer by bolt, for guaranteeing that vertical load is evenly distributed on, load on object, lifting jack bottom arranges the bottom steel plate of thickness 20mm, lifting jack is connected by hexagon socket head cap screw with bottom steel plate, makes lifting jack, pressure transducer and steel plate become as a whole.Pressure transducer, precision is 2N.
Beneficial effect of the present invention:
1, the present invention not only can solve the corner problem that object produces after horizontal loading that applies, and can guarantee when applying horizontal loading between object and vertical loading device without relative level displacement, thereby guarantee vertical uniform load q point and big or smallly can not change along with the increase of horizontal shift.When doing object Under Lateral Loading and vertical load acting in conjunction test, once vertical load deflects, according to resolution of force law, vertical load will resolve into a horizontal component identical with horizontal loading direction, thereby cause vertical load to reduce and increase the horizontal shift that loads object, thereby having a strong impact on test findings.Test unit of the present invention can allow vertical loading lifting jack remain vertical and do not deflect with loading object, and when loading object generation horizontal shift, charger can move together with loading object, has guaranteed that loading position can not change.The present invention not only can warranty test result accuracy, and can simulate more really object actual working state when Under Lateral Loading and vertical load simultaneously.
2, the precision of pressure transducer of the present invention is 2N, and precision is higher, and can Real-Time Monitoring load, is convenient to regulate at any time load.Pressure transducer top is with hemispherical groove, and the inner steel ball of placing, guarantees that charger is in the rotation of vertical direction.
Accompanying drawing explanation
Fig. 1 is the whole front view of vertical loading device;
Fig. 2 and Fig. 3 are charger partial enlarged drawing;
Fig. 4 is steel ball plate vertical view;
Wherein 1, reaction frame, 2, slot mechanism, 3, steel ball, 4, pressure transducer, 5, vertically load lifting jack, 6, bottom steel plate, 7, top steel plate, 8, steel ball plate, 9, band groove steel plate, 10, horizontal load, 11, load object.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As Figure 1-Figure 4, vertical loading device under a kind of horizontal loading and vertical load acting in conjunction, comprise for the reaction frame 1 of counter-force is provided, the lower surface of reaction frame 1 is fixedly connected with and can guarantees the straight-line slot mechanism 2 of steel ball plate 8, steel ball plate 8 is between top steel plate 7 setting up and down and the steel plate 9 with groove, steel ball plate 8 and top steel plate 7 are arranged in slot mechanism 2, lower surface with groove steel plate 9 is provided with the first groove matching with steel ball 3 surfaces, the first half of steel ball 3 is arranged in the first groove, the latter half is arranged in the second groove on pressure transducer 4, pressure transducer 4 lower ends are arranged on the lifting jack 5 that can vertically load, the lower end of lifting jack 5 is fixed on and is loaded on the bottom steel plate 6 that object 11 directly contacts.
Utilize a loading method for vertical loading device under horizontal loading and vertical load acting in conjunction, comprise that first applying vertical load applies horizontal loading 10 again and first apply horizontal loading 10 and apply vertical load again;
When wherein, first applying vertical load and apply horizontal loading again:
Further, on pressure transducer 4, place steel ball 3, according to order from bottom to up, place respectively band groove steel plate 9, steel ball plate 8, top steel plate 7, and coating lubricating oil;
Further, whole device shown in Fig. 2 is placed on and is loaded on object 11 centre positions, slowly applies vertical load, and observes pressure transducer dial reading, while applying vertical load, should deduct pressure transducer 4, vertically load the gravity of lifting jack 5 and lifting jack bottom steel plate 6;
Further, after vertical load has applied, apply horizontal loading 10;
When first applying horizontal loading 10 and applying vertical load again:
Further, apply horizontal loading 10;
Further, on pressure transducer 4, place steel ball 3, according to order from bottom to up, place respectively band groove steel plate 9, steel ball plate 8, top steel plate 7, and coating lubricating oil;
Further, whole device shown in Fig. 2 is placed on and is loaded on object 11 centre positions, slowly applies vertical load, and observes pressure transducer dial reading, while applying vertical load, should deduct pressure transducer 4, vertically load the gravity of lifting jack 5 and lifting jack bottom steel plate 6.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. vertical loading device under a horizontal loading and vertical load acting in conjunction, it is characterized in that, comprise for the reaction frame of counter-force is provided, the lower surface of reaction frame is fixedly connected with and can guarantees the straight-line slot mechanism of steel ball plate, steel ball plate is between top steel plate and the steel plate with groove setting up and down, steel ball plate and top steel plate are arranged in slot mechanism, lower surface with groove steel plate is provided with the first groove matching with steel ball surface, the first half of steel ball is arranged in the first groove, the latter half is arranged in the second groove on pressure transducer, pressure transducer lower end is arranged on the lifting jack that can vertically load, the lower end of lifting jack is fixed on and is loaded on the bottom steel plate that object directly contacts.
2. device as claimed in claim 1, is characterized in that, described reaction frame is welded to form by joist steel is assembled, and integral body is inverted U, and its both ends are connected with reaction frame stationary installation by bolt.
3. device as claimed in claim 1, is characterized in that, described slot mechanism comprises two strip-shaped steel plates that be arranged in parallel that are connected to position, both sides, reaction frame bottom by bolt.
4. device as claimed in claim 3, is characterized in that, the height of steel ball plate and top steel plate and the height that is less than two strip-shaped steel plates.
5. device as claimed in claim 1, it is characterized in that, described steel ball plate comprises the two-layer steel disc be arrangeding in parallel, and steel disc is provided with some corresponding holes, being provided with between two-layer steel disc is stuck in the hole of steel disc and steel ball that can automatic rotating, and the diameter in the hole on steel disc is less than the diameter of steel ball.
6. device as claimed in claim 5, is characterized in that, described steel ball and top steel plate and band groove steel plate contact position are all coated with lubricating oil.
7. a loading method that utilizes charger described in claim 6, is characterized in that, comprises that first applying vertical load applies horizontal loading again and first apply horizontal loading and apply vertical load again;
When wherein, first applying vertical load and apply horizontal loading again:
1-1) reaction frame is connected in stationary installation and by slot mechanism and is connected on reaction frame with bolt, then lifting jack bottom steel plate is connected complete with bolt respectively with pressure transducer with lifting jack;
1-2) on pressure transducer, place steel ball, according to order from bottom to up, place respectively band groove steel plate, steel ball plate, top steel plate, and coating lubricating oil;
1-3) whole device is placed on and is loaded on object centre position, slowly applies vertical load, and observes pressure transducer dial reading, while applying vertical load, should deduct pressure transducer, vertically load the gravity of lifting jack and lifting jack bottom steel plate;
1-4), after vertical load has applied, apply horizontal loading;
When first applying horizontal loading and applying vertical load again:
2-1) reaction frame is connected in stationary installation and by slot mechanism and is connected on reaction frame with bolt, then lifting jack bottom steel plate is connected complete with bolt respectively with pressure transducer with lifting jack;
2-2) apply horizontal loading;
2-3) on pressure transducer, place steel ball, according to order from bottom to up, place respectively band groove steel plate, steel ball plate, top steel plate, and coating lubricating oil;
2-4) whole device is placed on and is loaded on object centre position, slowly applies vertical load, and observes pressure transducer dial reading, while applying vertical load, should deduct pressure transducer, vertically load the gravity of lifting jack and lifting jack bottom steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310552301.0A CN103558147B (en) | 2013-11-08 | 2013-11-08 | Vertical loading device and method under horizontal loading and vertical load acting in conjunction |
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| CN201310552301.0A CN103558147B (en) | 2013-11-08 | 2013-11-08 | Vertical loading device and method under horizontal loading and vertical load acting in conjunction |
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| CN103558147A true CN103558147A (en) | 2014-02-05 |
| CN103558147B CN103558147B (en) | 2015-09-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246976A (en) * | 2017-07-21 | 2017-10-13 | 西安建筑科技大学 | Equivalent vertical the distributed load loading device and loading method of a kind of frame structure |
| CN108252334A (en) * | 2017-12-29 | 2018-07-06 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of asynchronous carriage and its ground in-situ testing device and test method |
| CN109283051A (en) * | 2018-10-24 | 2019-01-29 | 河南工业大学 | A kind of reaction frame and rolling regulating device suitable for vertically loading |
| CN111926632A (en) * | 2020-08-11 | 2020-11-13 | 中车株洲电力机车有限公司 | Energy storage type steel rail vibration absorber |
| CN113218642A (en) * | 2021-04-26 | 2021-08-06 | 株洲时代新材料科技股份有限公司 | Method and device for testing transverse steel damper |
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Patent Citations (8)
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| JPH0719973A (en) * | 1993-06-29 | 1995-01-20 | Chiyoda Corp | Load test device for pile concurrently with reaction pile and load test method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246976A (en) * | 2017-07-21 | 2017-10-13 | 西安建筑科技大学 | Equivalent vertical the distributed load loading device and loading method of a kind of frame structure |
| CN108252334A (en) * | 2017-12-29 | 2018-07-06 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of asynchronous carriage and its ground in-situ testing device and test method |
| CN109283051A (en) * | 2018-10-24 | 2019-01-29 | 河南工业大学 | A kind of reaction frame and rolling regulating device suitable for vertically loading |
| CN109283051B (en) * | 2018-10-24 | 2023-07-25 | 河南工业大学 | Reaction frame and rolling adjusting device suitable for vertical loading |
| CN111926632A (en) * | 2020-08-11 | 2020-11-13 | 中车株洲电力机车有限公司 | Energy storage type steel rail vibration absorber |
| CN113218642A (en) * | 2021-04-26 | 2021-08-06 | 株洲时代新材料科技股份有限公司 | Method and device for testing transverse steel damper |
| CN113218642B (en) * | 2021-04-26 | 2022-07-01 | 株洲时代新材料科技股份有限公司 | Transverse steel damper test method and test device |
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| CN103558147B (en) | 2015-09-02 |
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