CN206515130U - A kind of loading device tested for Space configuration formula structures with semi-rigid joints - Google Patents
A kind of loading device tested for Space configuration formula structures with semi-rigid joints Download PDFInfo
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- CN206515130U CN206515130U CN201720097075.5U CN201720097075U CN206515130U CN 206515130 U CN206515130 U CN 206515130U CN 201720097075 U CN201720097075 U CN 201720097075U CN 206515130 U CN206515130 U CN 206515130U
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Abstract
A kind of loading device tested for Space configuration formula structures with semi-rigid joints, it is related to experiment loading unit.The utility model is only capable of loading machine by traditional power to solve existing load test and carried out, it is impossible to the problem of realizing the common loading of axle power and moment of flexure.The utility model includes L-type reaction frame, horizontal hydraulic pressure jack, fixed mount, reaction beam and two vertical hydraulic jack, the horizontal ends of L-type reaction frame are vertically connected with fixed mount, the upper end of fixed mount is provided with reaction beam, it is parallel between fixed mount and reaction beam to be provided with two vertical hydraulic jack, the lower end of vertical hydraulic jack is rotated by the upper surface of linkwork and fixed mount and connected, the upper end of vertical hydraulic jack is connected with anchor pole, the upper end of anchor pole and reaction beam are affixed, the inner vertical of the vertical end of L-type reaction frame is provided with horizontal hydraulic pressure jack, the front end of horizontal hydraulic pressure jack is rotated with L-type reaction frame by linkwork and is connected.The utility model is used for node load test.
Description
Technical field
The utility model is related to experiment loading unit, and in particular to a kind of to be used for what Space configuration formula structures with semi-rigid joints was tested
Loading device.
Background technology
Single-layer lattice shell is increasingly becoming the focus and trend of building field, and such building can not only meet diversified use
It is required that, and be the development of future space network by its powerful visual performance power and with higher flexibility moulding
An important directions.Node is as the key components of Spatial Lattice Shells, and its steel using amount accounts for latticed shell structure Weight of steel
Larger specific gravity, and its rigidity has significant impact to spatial mesh structure bearing capacity.Single-layer lattice shell interior joint is mainly held
By axle power and moment of flexure collective effect, so mechanical property of the research node under this stress is most important.And it is existing
Load test is only capable of loading machine progress by traditional power, it is impossible to realize the common loading of axle power and moment of flexure, it is therefore desirable to research and develop
One kind is applied to Space configuration formula structures with semi-rigid joints axial direction and the coefficient loading device of moment of flexure.
Utility model content
The utility model is only capable of loading machine progress by traditional power to solve existing load test, it is impossible to realize axle power
And moment of flexure common loading the problem of, and then propose it is a kind of for Space configuration formula structures with semi-rigid joints test loading device.
The utility model adopts the technical scheme that to solve above-mentioned technical problem:
A kind of loading device tested for Space configuration formula structures with semi-rigid joints is very heavy including L-type reaction frame, horizontal hydraulic pressure
Top, fixed mount, reaction beam and two vertical hydraulic jack, L-type reaction frame are vertically fixed on the upper surface of geosyncline, and L-type is anti-
The horizontal ends of power frame are vertically connected with fixed mount, and the upper end of fixed mount is provided with reaction beam, parallel between fixed mount and reaction beam to set
There are two vertical hydraulic jack, the lower end of vertical hydraulic jack is rotated by the upper surface of linkwork and fixed mount to be connected
Connect, the upper end of vertical hydraulic jack is connected with anchor pole, and the upper end of anchor pole and reaction beam are affixed, reaction beam hangs down with L-type reaction frame
Straight to set, the inner vertical of the vertical end of L-type reaction frame is provided with horizontal hydraulic pressure jack, and the front end of horizontal hydraulic pressure jack passes through
Linkwork and L-type reaction frame are rotated and be connecteds, and the upper end of specimen joints and the middle part of reaction beam are connected, the lower end of specimen joints and
The middle part connection of fixed mount, the side of specimen joints is connected by linkwork with the rear end thereof of horizontal hydraulic pressure jack.
The beneficial effect that the utility model is included compared with prior art is:
Jack is attached by this loading device using linkwork with reaction frame, it is ensured that node in loading procedure,
Axle pulling force is sheared vertical with rod member all the time, it is to avoid loading device is to node in stress all the time by rod member and the node type heart
Under displacement produce constraint.The loading to connecting the different cross section such as Joints of the rod member such as rectangle, circle, I-shaped can be achieved
It is required that.The loading scheme that different height of node are realized in reaction beam position can be highly adjusted by anchor pole, practicality is flexible, it is adaptable to
Study the experiment of the axial tension and the mechanical property under moment of flexure collective effect of assembled structures with semi-rigid joints.The utility model is perpendicular
Nogata is to using two jack so that the pulling force that test specimen is subject to is more balanced, makes result of the test more accurate, while force
Range is bigger, expands the use scope of device.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model;
Fig. 2 is the integrally-built front view of the utility model;
Fig. 3 is the structural representation of L-type reaction frame 2 and fixed mount 7 in the utility model;
Fig. 4 is the structural representation of reaction beam 5 in the utility model;
Fig. 5 is the structural representation of linkwork 9 in the utility model;
Fig. 6 is the structural representation of junction steel plate 11 in the utility model.
Embodiment
Embodiment one:Illustrate present embodiment with reference to Fig. 1 to Fig. 6, one kind described in present embodiment is used for space
The loading device of assembled structures with semi-rigid joints experiment includes L-type reaction frame 2, horizontal hydraulic pressure jack 3, fixed mount 7, reaction beam 5
With two vertical hydraulic jack 4, L-type reaction frame 2 is vertically fixed on the upper surface of geosyncline 1, the horizontal ends of L-type reaction frame 2
Vertical to be connected with fixed mount 7, the upper end of fixed mount 7 is provided with reaction beam 5, parallel between fixed mount 7 and reaction beam 5 to be provided with two and erect
Straight hydraulic jack 4, the lower end of vertical hydraulic jack 4 is rotated by linkwork 9 with the upper surface of fixed mount 7 to be connected, and is erected
The upper end of straight hydraulic jack 4 is connected with anchor pole 8, and the upper end of anchor pole 8 and reaction beam 5 are affixed, and reaction beam 5 hangs down with L-type reaction frame 2
Straight to set, the inner vertical of the vertical end of L-type reaction frame 2 is provided with horizontal hydraulic pressure jack 3, the front end of horizontal hydraulic pressure jack 3
Rotated and be connected with L-type reaction frame 2 by linkwork 9, the upper end of specimen joints is connected with the middle part of reaction beam 5, specimen joints
Lower end be connected with the middle part of fixed mount 7, the sides of specimen joints passes through the rear end of linkwork 9 and horizontal hydraulic pressure jack 3
Rotate connection.
It is so designed that by the way that the upper end of specimen joints is connected with the lower end of vertical hydraulic jack 4, under specimen joints
End is connected with the middle part of fixed mount 7, and the side of specimen joints passes through linkwork 9 and the rear end thereof of horizontal hydraulic pressure jack 3
Specimen joints, so that specimen joints effectively be positioned, are applied axial force by vertical hydraulic jack 4, led to by connection
Cross horizontal hydraulic pressure jack 3 and shearing is applied to specimen joints, anchor pole 8 is attached by linkwork 9 with reaction frame 5, it is ensured that section
Point test specimen is in loading procedure, and axle pulling force passes through specimen joints core, the linkwork 9 at the two ends of horizontal hydraulic pressure jack 3 all the time
Make shearing vertical with rod member all the time, it is to avoid loading device produces constraint to displacement of the specimen joints under stress.
Embodiment two:Illustrate present embodiment with reference to Fig. 1, Fig. 2 and Fig. 4, anchor pole 8 is upper described in present embodiment
End is vertically inserted on reaction beam 5, and the upper and lower ends of reaction beam 5 are affixed by locking nut 10 and anchor pole 8.Other compositions and company
Connect mode identical with embodiment one.
Being so designed that makes to slide on length direction of the reaction beam 5 along anchor pole 8, and locking nut 10 is passed through after reaching commitment positions
The position of reaction beam 5 is locked, the position of reaction beam 5 is met the loading scheme of different height of node, practicality
Flexibly, it is adaptable to study the experiment of the mechanical property under the axial force and bending moment coactions of assembled structures with semi-rigid joints.
Embodiment three:Illustrate present embodiment, horizontal hydraulic pressure described in present embodiment with reference to Fig. 1, Fig. 2 and Fig. 5
Force snesor 6 is provided between the front end of jack 3 and linkwork 9.Other compositions and connected mode and embodiment one
Or two is identical.
Be so designed that can at-once monitor horizontal direction force size, the time shearing is precisely controlled.
Embodiment four:Illustrate present embodiment with reference to Fig. 1, Fig. 2 and Fig. 5, linkwork 9 described in present embodiment
Ending vertical including steel plate seat 9-1, middle otic placode 9-2, connecting bolt 9-3 and two pick up the ears plate 9-4, middle otic placode 9-2 is consolidated
On the upper surface for being connected on steel plate seat 9-1, middle otic placode 9-2 left and right ends are respectively provided with pick up the ears a plate 9-4, connecting bolt respectively
9-3 is vertically inserted in middle otic placode 9-2 and two plate 9-4 that pick up the ears middle part, the linkwork 9 of the lower end of vertical hydraulic jack 4
In, steel plate seat 9-1 and vertical hydraulic jack 4 lower surface are affixed, two plate 9-4 that pick up the ears end and the upper end of fixed mount 7
Face is affixed, and in the linkwork 9 of the front end of force snesor 6, steel plate seat 9-1 and force snesor 6 front end face are affixed, two plates of picking up the ears
9-4 end and the inner side of the vertical end of L-type reaction frame 2 are affixed, in the linkwork 9 of the rear end of horizontal hydraulic pressure jack 3, steel plate seat
9-1 and the side of specimen joints are affixed, and two plate 9-4 that pick up the ears end and the rear end of horizontal hydraulic pressure jack 3 is affixed.Other groups
Into identical with embodiment three with connected mode.
It is so designed that to realize that anchor pole 8 and fixed mount 7, horizontal hydraulic pressure jack 3 and specimen joints and horizontal hydraulic pressure are very heavy
Rotation between top 3 and L-type reaction frame 2 is connected.
Embodiment five:Illustrate present embodiment, middle otic placode described in present embodiment with reference to Fig. 1, Fig. 2 and Fig. 5
9-2 thickness and two the distance between plate 9-4 that pick up the ears are equal.Other compositions and connected mode and the phase of embodiment four
Together.
Being so designed that prevents that otic placode 9-2 picks up the ears occur play between plate 9-4 at two in the middle of during force, causes
Test data is inaccurate.
Embodiment six:Illustrate present embodiment, level described in present embodiment with reference to Fig. 1, Fig. 2, Fig. 5 and Fig. 6
Under the front/rear end of hydraulic jack 3, the upper and lower end face of vertical hydraulic jack 4, the front/rear end of force snesor 6, anchor pole 8
Two in end face and the linkwork 9 of the rear end of the horizontal hydraulic pressure jack 3 plate 9-4 that pick up the ears end is connected with junction steel plate
11.Other compositions and connected mode are identical with embodiment four or five.
It is so designed that and is easy to implement being effectively connected between each component.
Embodiment seven:Illustrate present embodiment with reference to Fig. 1, Fig. 2, Fig. 5 and Fig. 6, it is vertical described in present embodiment
The junction steel plate 11 of the upper end of hydraulic jack 4 is affixed by fastening bolt 12 and the junction steel plate 11 of the lower end of anchor pole 8, vertical hydraulic
The junction steel plate 11 of the lower end of jack 4 passes through the steel plate seat in fastening bolt 12 and the lower end linkwork 9 of vertical hydraulic jack 4
9-1 is affixed, and the middle part of reaction beam 5 is affixed by the upper end of fastening bolt 12 and specimen joints, and the middle part of fixed mount 7 passes through fastening
Bolt 12 and the lower end of specimen joints are affixed, and the junction steel plate 11 of the front end of horizontal hydraulic pressure jack 3 passes through fastening bolt 12 and power
The junction steel plate 11 of the rear end of sensor 6 is affixed, and the junction steel plate 11 of the rear end of horizontal hydraulic pressure jack 3 passes through fastening bolt 12 and water
Flat 3 rear end of hydraulic jack two pick up the ears plate 9-4 ends junction steel plate 11 it is affixed, the junction steel plate 11 of the front end of force snesor 6
It is affixed by fastening bolt 12 and steel plate seat 9-1 in the linkwork 9 of the front end of force snesor 6.Other compositions and connected mode
It is identical with embodiment six.
It is so designed that and is easy to implement being effectively connected between each component.
Embodiment eight:Illustrate present embodiment with reference to Fig. 1 and Fig. 2, the He of L-type reaction frame 2 described in present embodiment
Fixed mount 7 is affixed by the upper surface of earth anchor 13 and geosyncline 1.Other compositions and connected mode and embodiment one, two,
4th, five or seven is identical.
It is designed so as to realize effective fixation of L-type reaction frame 2 and fixed mount 7.
Embodiment nine:Illustrate present embodiment with reference to Fig. 1 to Fig. 3, L-type reaction frame 2 described in present embodiment
Oblique pull beam 14 is connected between vertical end and horizontal ends.Other compositions and connected mode are identical with embodiment eight.
It is so designed that to strengthen the bulk strength of L-type reaction frame 2, prevents from deforming due to stress, causes experiment to be tied
It is really inaccurate.
Claims (9)
1. a kind of loading device tested for Space configuration formula structures with semi-rigid joints, it is characterised in that:It is described a kind of for space
The loading device of assembled structures with semi-rigid joints experiment includes L-type reaction frame (2), horizontal hydraulic pressure jack (3), fixed mount (7), anti-
Power beam (5) and two vertical hydraulic jack (4), L-type reaction frame (2) are vertically fixed on the upper surface of geosyncline (1), and L-type is anti-
The horizontal ends of power frame (2) are vertically connected with fixed mount (7), and the upper end of fixed mount (7) is provided with reaction beam (5), fixed mount (7) with it is anti-
Parallel between power beam (5) to be provided with two vertical hydraulic jack (4), the lower end of vertical hydraulic jack (4) passes through linkwork
(9) rotate and be connected with the upper surface of fixed mount (7), the upper end of vertical hydraulic jack (4) is connected with anchor pole (8), anchor pole (8)
Upper end and reaction beam (5) are affixed, and reaction beam (5) is vertically arranged with L-type reaction frame (2), the vertical end of L-type reaction frame (2) it is interior
Side is vertically provided with horizontal hydraulic pressure jack (3), and the front end of horizontal hydraulic pressure jack (3) passes through linkwork (9) and L-type reaction frame
(2) connection is rotated, the upper end of specimen joints is connected with the middle part of reaction beam (5), in the lower end of specimen joints and fixed mount (7)
Portion is connected, and the side of specimen joints is connected by linkwork (9) with the rear end thereof of horizontal hydraulic pressure jack (3).
2. a kind of according to claim 1 be used for the loading device that Space configuration formula structures with semi-rigid joints is tested, it is characterised in that:
The upper end of the anchor pole (8) is vertically inserted on reaction beam (5), the upper and lower ends of reaction beam (5) by locking nut (10) with
Anchor pole (8) is affixed.
3. a kind of loading device tested for Space configuration formula structures with semi-rigid joints according to claim 1 or claim 2, its feature exists
In:Force snesor (6) is provided between the front end of the horizontal hydraulic pressure jack (3) and linkwork (9).
4. a kind of according to claim 3 be used for the loading device that Space configuration formula structures with semi-rigid joints is tested, it is characterised in that:
The linkwork (9) includes steel plate seat (9-1), middle otic placode (9-2), connecting bolt (9-3) and two plates of picking up the ears (9-4),
The ending vertical of middle otic placode (9-2) is fixed on steel plate seat (9-1) upper surface, the left and right ends point of middle otic placode (9-2)
A plate of picking up the ears (9-4) is not respectively provided with, and connecting bolt (9-3) is vertically inserted in middle otic placode (9-2) and two plates of picking up the ears (9-4)
Middle part, in the linkwork (9) of vertical hydraulic jack (4) lower end, steel plate seat (9-1) and vertical hydraulic jack (4)
Lower surface is affixed, the end and the upper surface of fixed mount (7) of two plates of picking up the ears (9-4) are affixed, and force snesor (6) front end is hinged
In mechanism (9), the front end face of steel plate seat (9-1) and force snesor (6) is affixed, end and the L-type counter-force of two plates of picking up the ears (9-4)
The inner side of frame (2) vertical end is affixed, in the linkwork (9) of horizontal hydraulic pressure jack (3) rear end, steel plate seat (9-1) and node
The side of test specimen is affixed, and the end and the rear end of horizontal hydraulic pressure jack (3) of two plates of picking up the ears (9-4) are affixed.
5. a kind of according to claim 4 be used for the loading device that Space configuration formula structures with semi-rigid joints is tested, it is characterised in that:
The distance between the thickness of the middle otic placode (9-2) and two plates of picking up the ears (9-4) are equal.
6. a kind of loading device tested for Space configuration formula structures with semi-rigid joints according to claim 4 or 5, its feature exists
In:The front/rear end of the horizontal hydraulic pressure jack (3), the upper and lower end face of vertical hydraulic jack (4), force snesor (6)
Two plate (9- that pick up the ears in the linkwork (9) of front/rear end, the lower surface of anchor pole (8) and horizontal hydraulic pressure jack (3) rear end
4) end is connected with junction steel plate (11).
7. a kind of according to claim 6 be used for the loading device that Space configuration formula structures with semi-rigid joints is tested, it is characterised in that:
The junction steel plate (11) of vertical hydraulic jack (4) upper end passes through fastening bolt (12) and the connection steel of anchor pole (8) lower end
Plate (11) is affixed, and the junction steel plate (11) of vertical hydraulic jack (4) lower end is very heavy by fastening bolt (12) and vertical hydraulic
The steel plate seat (9-1) pushed up in (4) lower end linkwork (9) is affixed, and the middle part of reaction beam (5) passes through fastening bolt (12) and node
The upper end of test specimen is affixed, and the middle part of fixed mount (7) is affixed by the lower end of fastening bolt (12) and specimen joints, horizontal hydraulic pressure thousand
The junction steel plate (11) of jin top (3) front end is affixed by fastening bolt (12) and the junction steel plate (11) of force snesor (6) rear end,
The junction steel plate (11) of horizontal hydraulic pressure jack (3) rear end passes through fastening bolt (12) and horizontal hydraulic pressure jack (3) rear end two
The junction steel plate (11) of individual plate of picking up the ears (9-4) end is affixed, and the junction steel plate (11) of force snesor (6) front end passes through fastening bolt
(12) it is affixed with steel plate seat (9-1) in the linkwork (9) of force snesor (6) front end.
8. a kind of loading device tested for Space configuration formula structures with semi-rigid joints according to claim 1,2,4,5 or 7, its
It is characterised by:The L-type reaction frame (2) and fixed mount (7) are affixed by the upper surface of earth anchor (13) and geosyncline (1).
9. a kind of according to claim 8 be used for the loading device that Space configuration formula structures with semi-rigid joints is tested, it is characterised in that:
Oblique pull beam (14) is connected between the vertical end and horizontal ends of the L-type reaction frame (2).
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CN106596251A (en) * | 2017-01-25 | 2017-04-26 | 哈尔滨工业大学 | Loading device used for space fabricated type semi-rigid joint test |
CN108896382A (en) * | 2018-07-06 | 2018-11-27 | 芜湖职业技术学院 | Mechanical load test device for variable working condition |
CN108982039A (en) * | 2018-07-24 | 2018-12-11 | 东南大学 | Bulk testing load counterforce device, real-time mixed test system and its test method |
CN108982039B (en) * | 2018-07-24 | 2023-09-22 | 东南大学 | Loading counterforce device for mixing test, real-time mixing test system and test method thereof |
WO2022007608A1 (en) * | 2020-07-06 | 2022-01-13 | 华侨大学 | Rammed earth and wood beam joint bending resistance and deformation performance testing device and using method thereof |
CN111929013A (en) * | 2020-08-06 | 2020-11-13 | 太原理工大学 | Bending boundary condition experiment system under lateral impact effect |
CN111929013B (en) * | 2020-08-06 | 2022-08-05 | 太原理工大学 | Bending boundary condition experiment system under lateral impact effect |
CN112577688A (en) * | 2020-12-30 | 2021-03-30 | 三东筑工(德州)有限公司 | Horizontal follow-up vertical reaction frame |
CN112814657A (en) * | 2021-02-25 | 2021-05-18 | 中国科学院地质与地球物理研究所 | Supporting device and test equipment |
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