CN207717538U - A kind of vertical load loading device of subjected to combined torsion experiment - Google Patents
A kind of vertical load loading device of subjected to combined torsion experiment Download PDFInfo
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- CN207717538U CN207717538U CN201721574065.2U CN201721574065U CN207717538U CN 207717538 U CN207717538 U CN 207717538U CN 201721574065 U CN201721574065 U CN 201721574065U CN 207717538 U CN207717538 U CN 207717538U
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- load loading
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Abstract
The utility model provides a kind of vertical load loading device of subjected to combined torsion experiment, including reaction beam, stressed plate, the reversed beam both ends are fixedly connected with the stressed plate respectively, a kind of vertical load loading device of subjected to combined torsion experiment further includes jack, horizontal equilibrium device, rotary balance device and loaded seat, described jack one end is abutted against by the horizontal equilibrium device with the stressed plate, the other end is offseted by the rotary balance device with the loaded seat, the rotary balance device includes bearing plate and rotor plate, the bearing plate is fixedly connected with the loaded seat, the bearing plate is equipped with spherical surface recess, the rotor plate side is equipped with spherical surface tang, the spherical surface recess mutually agrees with the spherical surface tang and flexural pivot is connect, the rotor plate other side is abutted with the jack.A kind of vertical load loading device of subjected to combined torsion experiment of the utility model can ensure the jack force direction always perpendicular to test specimen.
Description
Technical field
The utility model is related to subjected to combined torsion experimental provision technical field, especially a kind of vertical lotus of subjected to combined torsion experiment
Carry loading device.
Background technology
In recent years, with living standards of the people increasingly improve and the fast development of construction industry, people to building function and
The demand of the beautiful form of building is higher and higher, however due to the limitation in place and the influence of various social environmental factors, Bu Shaojian
It builds and inevitably uses structure in irregular shape, such as curve bridge, Frame Side Beam, joist, special-shaped column structure, transformational structure
Deng the stress of these structural elements is sufficiently complex, is often in the compound stress such as pressure (or draw) bending and twisting, and intensity is than normal
Curved scissors component is low, thus the reliability of engineering structure is caused to reduce for the pressure (or drawing) of rule, is easy to cause structural damage.To understand
Certainly influenced by torsion under Structure Under Axial Compression in Practical Project, from early 20th century, foreign countries begin to reinforced concrete soil pressure turn round component into
A large amount of research is gone；China strengthens the attention turned round to structure pressure from the seventies, and has set up the torsion of reinforced concrete soil pressure
Research special subjects group, special topic group turns round device with regard to a variety of pressures to be influenced to have carried out numerous studies to component by performance is turned round.Tongji University, day
The colleges and universities such as Tianjin university, Southeast China University, Xi'an University of Architecture and Technology, University of Fuzhou, Guangxi University all designed, designed pressures turn round experiment dress
It sets and pressure torsion test specimen is studied.
There is also some for the vertical load loading device of the pressure twisting experimental device used at present, especially subjected to combined torsion experiment
Shortcoming：
1. experimental provision mostly uses greatly jack and is in direct contact with firm banking, test specimen generation turned round and bending deformation after,
Jack generates relative torsion with firm banking, and jack xial feed deviates the test specimen centre of form, brings additional torque and moment of flexure.
2. in existing subjected to combined torsion experiment, reaction beam is in direct contact with jack, and jack is with test specimen occurred level displacement
When can be by the frictional resistance of reaction beam, existing on experimental result influences.
3. in vertical load loading device, the positioning assembling between different components is relatively complicated, needs in-site measurement position
It sets, process and difficulty is increased to experiment.
Utility model content
In order to solve the problem above-mentioned, the utility model provides a kind of vertical load loading device of subjected to combined torsion experiment,
It can ensure the jack force direction always perpendicular to test specimen, and the apparatus structure is simple, install convenient.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of vertical load loading device of subjected to combined torsion experiment, including reaction beam and stressed plate, the reaction beam both ends
It is fixedly connected respectively with the stressed plate, further includes jack, horizontal equilibrium device, rotary balance device and loaded seat, institute
It states jack one end to abut against by the horizontal equilibrium device and the stressed plate of the reaction beam bottom, the other end passes through described
Rotary balance device is abutted against with the loaded seat,
The horizontal equilibrium device includes frid and tourelle, and the tourelle is embedded in the frid, the rolling
Dynamic device one side and the stressed plate of the reaction beam bottom abut against, one side of the frid far from the tourelle with it is described
Jack abuts；
The rotary balance device includes rotor plate and bearing plate, and the rotor plate one side is abutted with the jack, separately
It is equipped with spherical surface tang on one side, the bearing plate is equipped with the spherical surface recess agreed with the spherical surface tang, the spherical surface tang and institute
The connection of spherical surface recess flexural pivot is stated, the opposite another side that the bearing plate is connect with the rotor plate is fixed with the loaded seat to be connected
It connects.
Further, the tourelle includes roller bearing frame and roller bearing, and the roller bearing is equipped with several, and the roller bearing is set to
It is rotatablely connected in the roller bearing frame and with the roller bearing frame.
Further, what the frid and the rotor plate and the jack offseted is all provided with finite place piece on one side, described
Jack, which is sticked in, to be stated in locating part.
Further, the jack is located at same vertical with the horizontal center point of the rotary balance device and test specimen
Line.
Further, the loaded seat is equipped with graduation mark, the graduation mark and the jack and the rotary balance
Device horizontal center point is located at same vertical line.
Further, the loaded seat includes fixed side panel, adjustable plate, adjusts side plate and bottom plate, the fixed side panel
And the adjusting side plate is fixedly connected with the bottom plate both ends respectively, the adjusting side plate is equipped at least two slack adjusters and spiral shell
Mother, the slack adjuster pass through the adjusting side plate and are used cooperatively with nut；The bottom plate is equipped with slip draw-in groove, the adjusting
Plate is equipped with the fastener that sliding is engaged with the slip draw-in groove, and the adjustable plate one side is connected by elastic component and the fixed side panel
It connects, another side is abutted with test specimen, is clamped to test specimen at a distance from the adjustable plate by adjusting elasticity screw, the fixation
Side plate is equipped with a threaded hole and limit threaded rod, the limit threaded rod engage with the threaded hole and can be to the adjustable plates
It compresses.
The utility model has the beneficial effects that jack is offseted by horizontal equilibrium device with reaction beam, it is ensured that very heavy
The amplitudes Free water translation such as top and test specimen is dynamic, avoids in experiment, the lateral displacement of subjected to combined torsion lower member, and jack pair is reversed
There is deviation in beam force direction out of plumb, experimental configuration；Jack is offseted by rotary balance device with loaded seat, it is ensured that
The amplitudes such as jack and test specimen are freely rotated, and avoid in experiment, subjected to combined torsion lower member torsional displacement, jack pair test specimen is applied
Force direction out of plumb, causes experimental configuration deviation occur；Loaded seat can fix test specimen simultaneously again can will be in the level of test specimen
Heart point is adjusted with jack and rotary balance device horizontal centre point on same vertical line.
Description of the drawings
Fig. 1 is that the structure of the vertical load loading device of the subjected to combined torsion experiment of one better embodiment of the utility model is shown
It is intended to.
Fig. 2 is that the level of the vertical load loading device of the subjected to combined torsion experiment of one better embodiment of the utility model is flat
Weigh apparatus structure schematic diagram.
Fig. 3 is that the rotation of the vertical load loading device of the subjected to combined torsion experiment of one better embodiment of the utility model is flat
Weigh apparatus structure schematic diagram.
Fig. 4 is the load bottom of the vertical load loading device of the subjected to combined torsion experiment of one better embodiment of the utility model
Holder structure schematic diagram.
In figure, 1- reaction beams, 2- stressed plates, 21- fixing screws, 22- fixing nuts, 3- jack, 4- horizontal equilibriums dress
It sets, 41- frids, 411- notches, 42- tourelles, 421- roller bearing frames, 422- roller bearings, 5- rotor plates, 51- spherical surface tangs, 6-
Bearing plate, 61- spherical surface recesses, 7- loaded seats, 71- fixed side panels, 711- fixed thread bars, 712- threaded holes, 72- are adjusted
Plate, 721- elastic components, 73- adjusting side plates, 731- slack adjusters, 732- nuts, 74- bottom plates, 741- sliding grooves, 75- graduation marks,
8- locating parts.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
Can be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more relevant Listed Items.
Please referring also to Fig. 1 to Fig. 4, a kind of vertical load loading device packet of subjected to combined torsion experiment of the utility model
It includes, reaction beam 1, stressed plate 2, jack 3, horizontal equilibrium device 4, rotary balance device and loaded seat 7.1 both ends of reaction beam
It is fixedly connected respectively with the stressed plate 2 by fixing screws 21 and fixing nut 22,3 one end of jack is filled by horizontal equilibrium
The stressed plate 2 for setting (4) and 1 bottom of reaction beam abuts against, and the other end is abutted against by rotary balance device and loaded seat 7.
Horizontal equilibrium device 4 includes frid 41 and tourelle 42.Tourelle 42 is embedded in frid 41, tourelle 42
It is abutted on one side with the stressed plate 2 of 1 bottom of reaction beam, one side of the frid 41 far from tourelle 42 is abutted with jack 3.Roll dress
Set 42 include roller bearing frame 421 and roller bearing 422, roller bearing 422 be equipped with several, roller bearing 422 be set to roller bearing frame 421 in and with roller bearing frame
421 rotation connections, in the present embodiment, frid 41 are equipped with a notch 411, and roller bearing frame 421 is embedded in notch 411, roller bearing 422
It is slidably connected on one side with frid 41, another side and the stressed plate of 1 bottom of reaction beam are slidably connected.When experiment when, test specimen because by
It presses lateral displacement, roller bearing 422 to move, greatly reduces mobile frictional force, it is ensured that the amplitudes Free water such as jack 5 and component is flat
It is mobile so that experimental data is more preferably accurate.
Rotary balance device includes rotor plate 5 and bearing plate 6, and 5 one side of rotor plate is abutted with jack 3, and another side is equipped with
Spherical surface tang 51, bearing plate 6 are equipped with the spherical surface recess 61 agreed with spherical surface tang 51, spherical surface tang 51 and 61 flexural pivot of spherical surface recess
Connection, the opposite side that bearing plate 6 is connect with rotor plate 5 are fixedly connected with loaded seat 7.It is very heavy when subjected to combined torsion is tested
Top 3 generates relative torsion with loaded seat, and 3 xial feed of jack deviates the test specimen centre of form, brings additional torque and moment of flexure, in this way
The force direction of jack 3 and test specimen out of plumb, lead to experimental configuration deviation, and rotor plate 5 and bearing plate 6 planar have phase
When big flexibility ratio, greatly reduce friction coefficient after lubricant is added, therefore axle power loading device rubs to modular level deformation
It wipes resistance to ignore, and enables to the force direction of jack 3 vertical with test specimen.
Frid 41 and rotor plate 5 are all provided with finite place piece 8 on one side with what jack 3 offseted, and jack 3, which is sticked in, states locating part
In 8.In experiment, the horizontal center point of jack 3 and rotary balance device and test specimen is placed in same vertical line.
Loaded seat 7 is equipped with graduation mark 75, graduation mark 75 and jack 3 and the rotary balance device horizontal centre point
In same vertical line.
Loaded seat 7 is including fixed side panel 71, adjustable plate 72 and adjusts side plate 73 and bottom plate 74, fixed side panel 71 and adjusting
Side plate 73 is fixedly connected with bottom plate 74 respectively, is adjusted side plate 73 and is set there are two slack adjuster 731 and nut 732, slack adjuster
731 pass through adjusting side plate 73 and are used cooperatively with nut 732；Bottom plate 74 is equipped with slip draw-in groove 741, and adjustable plate 72 is equipped with and sliding
The fastener of the engaging sliding of card slot 74,72 one side of adjustable plate are connect by elastic component 721 with fixed side panel 71, and another side is supported with test specimen
It connects, test specimen is clamped at a distance from adjustable plate 72 by adjusting elasticity screw 731, fixed side panel 71 is equipped with a threaded hole
712 and limit threaded rod 711, limit threaded rod 711 engage and adjustable plate 72 can be compressed with threaded hole 712.In this implementation
In example, there are two slack adjuster 731 and nut 732 are set, in fixed test specimen, test specimen is caught in adjustable plate 72 and adjusts side plate 73
Between, under the action of elastic component 721, test specimen is stuck between 72 slack adjuster 731 of adjustable plate, passes through adjusting elasticity screw 731
The center line of test specimen is overlapped with graduation mark 75, realizes that jack 3 and the horizontal center point of rotary balance device and test specimen are placed in
On same vertical line, after adjusting, screws limit threaded rod 711 and test specimen is fixed in adjustable plate 72 and slack adjuster 731.
In use, adding lubricant in rotor plate 5 and 6 contact position of bearing plate, the friction coefficient between them is reduced so that
Vertical load loading device ignores to the frictional resistance of test piece deformation.A horizontal center line is made on test specimen, will be tried
Between part is caught in adjustable plate 72 and adjusts side plate 73, under the action of elastic component 721, test specimen is stuck in 72 slack adjuster of adjustable plate
Between 731, the horizontal center line of test specimen is overlapped with graduation mark 75 by adjusting elasticity screw 731, then screws limit screw thread
Test specimen is fixed in adjustable plate 72 and slack adjuster 731 by bar 711.Horizontal equilibrium device 4 is kept to be in horizontality, slowly
Elevating jack 3 so that jack 5 has certain starting force to test specimen and reaction beam 1.It finally can be carried out subjected to combined torsion reality
It tests.
Claims (6)
1. a kind of vertical load loading device of subjected to combined torsion experiment, including reaction beam (1) and stressed plate (2), the reaction beam
(1) both ends are fixedly connected with the stressed plate (2) respectively, which is characterized in that further include jack (3), horizontal equilibrium device
(4), rotary balance device and loaded seat (7), described jack (3) one end by the horizontal equilibrium device (4) with it is described
The stressed plate (2) of reaction beam (1) bottom abuts against, and the other end passes through the rotary balance device and the loaded seat (7) phase
It abuts,
The horizontal equilibrium device (4) includes frid (41) and tourelle (42), the embedded slot of the tourelle (42)
In plate (41), stressed plate (2) of the tourelle (42) on one side with the reaction beam (1) bottom abuts against, the frid
(41) one side far from the tourelle (42) is abutted with the jack (3)；
The rotary balance device includes rotor plate (5) and bearing plate (6), the rotor plate (5) on one side with the jack (3)
It abuts, another side is equipped with spherical surface tang (51), and the bearing plate (6) is equipped with the spherical surface recess agreed with the spherical surface tang (51)
(61), the spherical surface tang (51) connect with spherical surface recess (61) flexural pivot, the bearing plate (6) and the rotor plate (5)
The opposite another side of connection is fixedly connected with the loaded seat (7).
2. a kind of vertical load loading device of subjected to combined torsion experiment according to claim 1, it is characterised in that：The rolling
Dynamic device (42) includes roller bearing frame (421) and roller bearing (422), and the roller bearing (422) is equipped with several, and the roller bearing (422) sets
It is rotatablely connected in the roller bearing frame (421) and with the roller bearing frame (421).
3. a kind of vertical load loading device of subjected to combined torsion experiment according to claim 1, it is characterised in that：The slot
Plate (41) and the rotor plate (5) are all provided with finite place piece (8), jack (3) card on one side with what the jack (3) offseted
It is interior together in locating part (8) is stated.
4. a kind of vertical load loading device of subjected to combined torsion experiment according to claim 1, it is characterised in that：Described thousand
Jin top (3) and the horizontal center point of the rotary balance device and test specimen are located at same vertical line.
5. a kind of vertical load loading device of subjected to combined torsion experiment according to claim 1, it is characterised in that：It is described to add
Pedestal (7) is carried to be equipped in graduation mark (75), the graduation mark (75) and the jack (3) and the rotary balance device level
Heart point is located at same vertical line.
6. a kind of vertical load loading device of subjected to combined torsion experiment according to claim 1, it is characterised in that：It is described to add
Pedestal (7) is carried to include fixed side panel (71), adjustable plate (72), adjust side plate (73) and bottom plate (74), the fixed side panel (71)
And the adjusting side plate (73) is fixedly connected with the bottom plate (74) both ends respectively, the adjusting side plate (73) is equipped at least two
Slack adjuster (731) and nut (732), the slack adjuster (731) pass through the adjusting side plate (73) and match with nut (732)
It closes and uses；The bottom plate (74) is equipped with slip draw-in groove (741), and the adjustable plate (72) is equipped with blocks with the slip draw-in groove (741)
Close the fastener of sliding, the adjustable plate (72) connect by elastic component (721) with the fixed side panel (71) on one side, another side and
Test specimen abuts, and is clamped to test specimen at a distance from the adjustable plate (72) by adjusting elasticity screw (731), the affixed side
Plate (71) is equipped with a threaded hole (712) and limit threaded rod (711), the limit threaded rod (711) and the threaded hole (712)
It engages and the adjustable plate (72) can be compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574065.2U CN207717538U (en) | 2017-11-22 | 2017-11-22 | A kind of vertical load loading device of subjected to combined torsion experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574065.2U CN207717538U (en) | 2017-11-22 | 2017-11-22 | A kind of vertical load loading device of subjected to combined torsion experiment |
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| Publication Number | Publication Date |
|---|---|
| CN207717538U true CN207717538U (en) | 2018-08-10 |
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|---|---|---|---|
| CN201721574065.2U Expired - Fee Related CN207717538U (en) | 2017-11-22 | 2017-11-22 | A kind of vertical load loading device of subjected to combined torsion experiment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764665A (en) * | 2017-11-22 | 2018-03-06 | 广西大学 | A kind of vertical load loading device of subjected to combined torsion experiment |
| CN111307583A (en) * | 2019-11-22 | 2020-06-19 | 浙江大学 | Combined one-way hinge for right-angle test piece loading test |
| CN111912718A (en) * | 2020-09-03 | 2020-11-10 | 铁科院(深圳)研究设计院有限公司 | Multi-type loading surface loading equipment |
| CN113834723A (en) * | 2021-09-15 | 2021-12-24 | 郑州航空工业管理学院 | Four-point bending test fixture with self-adjusting capability and application method thereof |
-
2017
- 2017-11-22 CN CN201721574065.2U patent/CN207717538U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764665A (en) * | 2017-11-22 | 2018-03-06 | 广西大学 | A kind of vertical load loading device of subjected to combined torsion experiment |
| CN107764665B (en) * | 2017-11-22 | 2024-06-11 | 广西大学 | Vertical load loading device for composite torsion experiment |
| CN111307583A (en) * | 2019-11-22 | 2020-06-19 | 浙江大学 | Combined one-way hinge for right-angle test piece loading test |
| CN111307583B (en) * | 2019-11-22 | 2021-09-24 | 浙江大学 | Combined one-way hinge for right-angle test piece loading test |
| CN111912718A (en) * | 2020-09-03 | 2020-11-10 | 铁科院(深圳)研究设计院有限公司 | Multi-type loading surface loading equipment |
| CN113834723A (en) * | 2021-09-15 | 2021-12-24 | 郑州航空工业管理学院 | Four-point bending test fixture with self-adjusting capability and application method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20201122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |