CN206710210U - Axial tension experimental rig under effect of contraction - Google Patents
Axial tension experimental rig under effect of contraction Download PDFInfo
- Publication number
- CN206710210U CN206710210U CN201720541239.9U CN201720541239U CN206710210U CN 206710210 U CN206710210 U CN 206710210U CN 201720541239 U CN201720541239 U CN 201720541239U CN 206710210 U CN206710210 U CN 206710210U
- Authority
- CN
- China
- Prior art keywords
- horizontal
- plate
- axial tension
- test specimen
- press beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
It the utility model is related to the axial tension experimental rig under a kind of effect of contraction.Including counter force wall, door frame, axial push-pull device, horizontal restraint device, axial tension device includes vertical actuator, upper bindiny mechanism, lower bindiny mechanism and fixed press beam；Horizontal restraint device includes horizontal actuator, horizontal addload head, horizontal gland, triangular support bracket, support frame press beam.The utility model can be used for carrying out load test to the axial tension test specimen for needing to apply horizontal restraint effect, simultaneously available under the effect of contraction such as simulation steel pipe or encryption tie hoop, the axial tension performance test of test specimen, the device has precision height, reasonable stress, the features such as accuracy is strong, axial tension experiment that can be under accurate simulation effect of contraction.
Description
Technical field
Axial tension experimental technique field is the utility model is related to, specifically one kind can provide and maintenance level constraint should
Axial tension experimental rig under power or the constant effect of contraction of constrained displacement.
Background technology
Confined concrete applies radial constraint in outside, concrete is received in transversely deforming caused by axial compression
Limitation, delay the generation and development in material internal crack, improve the original compression characteristic of core concrete itself, make its pressure resistance
Degree and deformability are improved, and effect of contraction is stronger, and concrete strength increase rate is bigger, at present both at home and abroad to effect of contraction
Under concrete axial bearing capacity carried out lot of experiments research, but for its thin portion force-mechanism and failure mode, due to nothing
Method is directly observed, and can only be calculated by way of theory analysis or numerical simulation, in order to intuitively observe
The failure mode of concrete is, it is necessary to which one kind can provide radial constraint stress, and horizontal contact face stress distribution under restrained condition
Uniformly, there is enough rigidity, maintenance level constrained displacement or the constant experimental rig of restraint stress.
Utility model content
The utility model aims to solve the problem that steel pipe or encryption tie hoop under effect of contraction, broken inside concrete or grouting material
The problem that bad form can not be observed directly, so as to provide, one kind can provide and maintenance level restraint stress or constrained displacement are constant
Effect of contraction under axial tension experimental rig.
The utility model solves described problem, and the technical scheme of use is：
A kind of axial tension experimental rig under effect of contraction, including counter force wall, axial push-pull device, horizontal restraint dress
Put, the door frame being fixed on trench, test specimen is installed on axial push-pull device；
Axial tension device includes vertical actuator, upper bindiny mechanism, lower bindiny mechanism and fixed press beam；Vertical actuator
Hang on door frame, the top of upper bindiny mechanism is connected by bolt with vertical actuator, and the bottom of upper bindiny mechanism passes through pin
The upper end of bolt and test specimen is hinged, and lower bindiny mechanism includes fixed plate, arm-tie and is bi-directionally connected head, and fixed plate is fixedly mounted on fixation
In press beam, the upper and lower part for being bi-directionally connected head and arm-tie is machined with connecting hole respectively, and the top for being bi-directionally connected head passes through pin
It is hinged with the lower end of test specimen, the bottom for being bi-directionally connected head passes through pin by pin and the upper articulation of arm-tie, the bottom of arm-tie
It is hinged with fixed plate.
Horizontal restraint device includes horizontal actuator, horizontal addload head, horizontal gland, triangular support bracket, support frame pressure
Beam, horizontal actuator are fixedly mounted on counter force wall, and horizontal addload head and horizontal gland are separately positioned on the both sides of test specimen, water
Flat loading head is connected by high-strength bolt with horizontal actuator, and horizontal gland passes through adjusting screw rod, adjusting nut and triangle branch
Support connects, and sets two adjusting nuts to be used for the position for adjusting horizontal gland on each adjusting screw rod, and triangular support bracket leads to
Support frame press beam is crossed to be fixed on trench.
Using the utility model of above-mentioned technical proposal, compared with prior art, the characteristics of it is protruded, is：
①Shang bindiny mechanisms and lower bindiny mechanism can provide freely rotating for both direction for test specimen, test specimen is only held
By axial tension, without producing additional bending moment.
2. the present apparatus is a kind of can provide and maintenance level restraint stress or constrained displacement is constant and horizontal contact face
The device of stress distribution uniformly, with enough rigidity, the lower axial tension experiment of row constraint of going forward side by side effect, is applied available for needs
The axial tension test specimen for adding horizontal restraint to act on carries out load test, while available for simulation steel pipe or encryption tie hoop etc. about
The axial tension performance test of test specimen under Shu Zuoyong.
3. the hoop constraint effect of steel pipe etc. can be preferably simulated, it is strong with measurement accuracy height, reasonable stress, accuracy
The features such as, axial tension experiment that can be under accurate simulation effect of contraction.
Preferably, the further technical scheme of the utility model is：
Fixed press beam, which includes first, fixes press beam and second and fixes press beam, horizontal addload head by loading head fixed mechanism with
First fixes press beam connection, and the second fixation press beam is fixedly connected with the fixed plate of lower bindiny mechanism, and first fixes press beam and second
Fixed press beam is fixedly connected by anchorage screw with trench respectively.
Between test specimen and horizontal addload head, workpiece and a backing plate and a side are respectively arranged between horizontal gland
To assembly pulley, its act on be enable test specimen in vertical direction slidably.
Horizontal actuator, horizontal addload head, horizontal gland and test specimen are centrally located in same level；Vertical start
Device and test specimen are centrally located in same vertical plane.
Horizontal gland is supported by support bar and supporting plate, and supporting plate is arranged on triangular support bracket, support bar
Set on the supporting plate, its effect is at the horizontal gland position of regulation, ensures that horizontal gland horizontal level is constant, makes water
Flat loading head and the center of horizontal gland are in same level all the time.
Triangular support bracket includes vertical supporting, bearing diagonal and horizontal support, and vertical supporting is arranged on horizontal support, tiltedly branch
The both ends of support are connected with vertical supporting and horizontal support respectively, and vertical supporting is stretched out in one end of horizontal support, and in vertical supporting
A support frame press beam is placed on the horizontal support of front and rear sides respectively, support frame press beam is mutually fixed with trench using screw rod, made
Triangular support bracket is not tilted under larger moment of flexure, and concrete has been poured between the other end of horizontal support and fixed wall,
So that horizontal support withstands fixed wall completely, triangular support bracket occurred level is avoided to slide.
Horizontal addload head and horizontal gland include front spring, rear steel plate respectively, connects floor and floor of putting more energy into, two pieces plus
Strength floor is vertically welded on connection floor, and connection floor, the both ends for floor of putting more energy into are welded with front spring, rear steel plate respectively, water
The rear steel plate of flat loading head is connected by high-strength bolt with horizontal actuator, the rear steel plate of horizontal gland by adjusting screw rod,
Adjusting nut is connected with triangular support bracket.
Loading head fixed mechanism includes column, connecting plate, slide plate, connecting rod；Two columns are made by I-steel, with
First fixation press beam is mutually welded, and plays connection and supporting role, slide plate are welded on two columns, slide plate both sides are respectively welded
Side shield, two connecting rod two ends are separately installed with bearing, and connecting plate is welded on two connecting rods, and connecting rod, bearing and connecting plate connect
Connect and collectively form vehicle structure, side shield is highly more than bearing diameter, and the bearing of connecting rod two end is respectively placed in side shield and slide plate
In the formed groove of connection, bearing can slide on slide plate, and then dolly is only slided on slide plate, the upper end of connecting plate with
Horizontal addload head welds, and side shield both ends are respectively welded limiting plate, to avoid dolly from skidding off slide plate, while are provided for side shield
Larger vertical force, loading head fixed mechanism cause horizontal addload head to move in the horizontal direction.
Test specimen includes intermediate plate, side plate and grouting material or concrete, and connecting hole is machined with respectively on intermediate plate and side plate, on
The bottom of bindiny mechanism is hinged by the intermediate plate of pin and test specimen, and the top for being bi-directionally connected head passes through pin and the side plate of test specimen
It is be hinged.
Brief description of the drawings
Fig. 1 is the utility model embodiment structural representation；
Fig. 2 is Fig. 1 partial enlargement structural representation；
Fig. 3 is the structural representation of the utility model embodiment horizontal restraint device installation test specimen；
Fig. 4 is the dimensional structure diagram of the utility model embodiment loading head fixed mechanism；
Fig. 5 is the main structure diagram of the utility model embodiment loading head fixed mechanism；
Fig. 6 is the side structure schematic view of the utility model embodiment loading head fixed mechanism；
Fig. 7 is the utility model embodiment axial tension device sectional perspective structural representation；
Fig. 8 is the utility model embodiment axial tension device part main structure diagram；
Fig. 9 is the utility model embodiment axial tension device partial side structural representation；
Figure 10 is the dimensional structure diagram of the utility model embodiment horizontal addload head；
Figure 11 is the main structure diagram of the utility model embodiment horizontal addload head；
Figure 12 is the right side structural representation of the utility model embodiment horizontal addload head；
Figure 13 is the main structure diagram of the utility model embodiment test specimen；
Figure 14 is the side structure schematic view of the utility model embodiment test specimen；
Figure 15 is the structural representation of the utility model embodiment axial tension device installation test specimen；
In figure：Counter force wall 1；Triangular support bracket 2；Horizontal actuator 3；Horizontal addload first 4；Loading head fixed mechanism 5；First
Fixed press beam 6；Horizontal gland 7；Supporting plate 8；Support bar 9；Adjusting nut 10；Adjusting screw rod 11；Bearing diagonal 12；Horizontal support
13；Vertical supporting 14；Support frame press beam 15；Anchorage screw 16；Upper bindiny mechanism 17；Lower bindiny mechanism 18；Second fixes press beam
19；Lateral assembly pulley 20；Backing plate 21；Vertical actuator 22；Door frame 23；Column 24；Connecting plate 25；Side shield 26；Limiting plate 27；
Connecting rod 28；Slide plate 29；Bearing 30；It is bi-directionally connected first 31；Arm-tie 32；Fixed plate 33；Pin 34；Trench 35；Steel plate 36 afterwards；Connection
Floor 37；Front spring 38；Ribbed stiffener 39；Test specimen 40；Intermediate plate 41；Side plate 42；Grouting material or concrete 43；Connecting hole 44；Gu
Determine wall 45.
Embodiment：
With reference to embodiment, the utility model is described in further detail, and purpose, which is only that, more fully understands the utility model
Content, therefore, the cited case are not intended to limit the scope of protection of the utility model.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, including
Counter force wall 1, axial push-pull device, horizontal restraint device, the door frame 23 being fixed on trench 35, it is provided with axial push-pull device
Test specimen 40；
Axial tension device includes vertical actuator 22, upper bindiny mechanism 17, lower bindiny mechanism 18 and fixed press beam；Vertically
Actuator 22 is hung on door frame 23, and the top of upper bindiny mechanism 17 is connected by bolt with vertical actuator 22, upper connection machine
The bottom of structure 17 is hinged by the upper end of pin 34 and test specimen 40, and lower bindiny mechanism 18 includes fixed plate 33, arm-tie 32 and two-way
Connector 31, fixed plate 33 are fixedly mounted in fixed press beam, be bi-directionally connected first 31 and the upper and lower part of arm-tie 32 add respectively
Work has connecting hole 44, is bi-directionally connected first 31 top and is hinged by the lower end of pin 34 and test specimen 40, is bi-directionally connected under first 31
Portion is be hinged by pin 34 and fixed plate 33 by pin 34 and the upper articulation of arm-tie 32, the bottom of arm-tie 32.
Horizontal restraint device includes horizontal actuator 3, horizontal addload first 4, horizontal gland 7, triangular support bracket 2, support
Frame press beam 15, horizontal actuator 3 are fixedly mounted on counter force wall 1, and horizontal addload first 4 and horizontal gland 7 are separately positioned on examination
The both sides of part 40, horizontal addload first 4 are connected by high-strength bolt with horizontal actuator 3, and horizontal gland 7 passes through adjusting screw rod
11st, adjusting nut 10 is connected with triangular support bracket 2, sets two adjusting nuts 10 to be used to adjust level on each adjusting screw rod 11
The position of gland 7, triangular support bracket 2 are fixed on trench 35 by support frame press beam 15.
Horizontal actuator 3 and vertical actuator 22 are electro-hydraulic servo actuator, and are controlled by computer, examination
In testing, horizontal actuator 3 can keep shift invariant, so as to obtain the reaction force of horizontal direction, to simulate steel pipe and encryption spiral shell
The axial tension performance of the lower test specimen of the passive bounds such as stirrup effect is revolved, load can also be kept constant, to simulate under Even round pressure
The axial tension performance of test specimen.
Fixed press beam is made using I-steel, and I-steel thickness is unsuitable too small, to ensure that it is enough that fixed press beam has
Big rigidity, fixed press beam include first and fix the fixation press beam 19 of press beam 6 and second, and horizontal addload first 4 is fixed by loading head
Mechanism 5 is connected with the first fixation press beam 6, and the second fixation press beam 19 is fixedly connected with the fixed plate 33 of lower bindiny mechanism 18, and first
Fixed press beam 6 and second is fixed press beam 19 and is fixedly connected respectively by anchorage screw 16 with trench 35.
Between test specimen 40 and horizontal addload first 4, workpiece 40 and a backing plate 21 is respectively arranged between horizontal gland 7
With a lateral assembly pulley 20, its act on be enable test specimen 40 in vertical direction slidably.
Horizontal actuator 3, horizontal addload are first 4, horizontal gland 7 is centrally located in same level with test specimen 40；It is perpendicular
It is centrally located to actuator 22 and test specimen 40 in same vertical plane.
Horizontal gland 7 is supported by support bar 8 and supporting plate 9, and supporting plate 9 is arranged on triangular support bracket 2, branch
Strut 8 is arranged in supporting plate 9, and its effect is at horizontal 7 position of gland of regulation, ensures the horizontal horizontal level of gland 7
It is constant, horizontal addload first 4 and the center of horizontal gland 7 is in all the time in same level.
Triangular support bracket 2 sets two, and triangular support bracket 2 includes vertical supporting 14, bearing diagonal 12 and horizontal support 13, erects
It is arranged on to support 14 on horizontal support 13, the both ends of bearing diagonal 12 are connected with vertical supporting 14 and horizontal support 13 respectively, water
The certain length of vertical supporting 14 is stretched out in one end of flat support 13, and on the horizontal support 13 of the front and rear sides of vertical supporting 14 respectively
A support frame press beam 15 is placed, support frame press beam 15 is fixed using anchorage screw 16 with the phase of trench 35, triangular support bracket 2 is existed
Do not tilted under larger moment of flexure, poured concrete between the other end of horizontal support 13 and fixed wall 45 so that horizontal
Fixed wall 45 is withstood in support 13 completely, avoids the occurred level of triangular support bracket 2 from sliding.
Horizontal addload first 4 is identical with the production method of horizontal gland 7, is welded by steel plate, steel plate thickness and big
I is designed according to the size of test specimen 40, and horizontal addload first 4 and horizontal gland 7 include front spring 38, rear steel plate respectively
36th, connect floor 37 and floor 39 of putting more energy into, the length and height of front spring 38 are greater than grouting material or concrete in test specimen 40
43 size, ensure that test specimen 40 is in Complete Bind state in loading procedure, avoid producing additional bending moment, two pieces of floors of putting more energy into
39 are vertically welded on connection floor 37, and connection floor 37, the both ends for floor 39 of putting more energy into are welded with front spring 38, rear steel plate 36 respectively
Connect, the rear steel plate 36 of horizontal addload first 4 is connected by high-strength bolt with horizontal actuator 3, and the rear steel plate 36 of horizontal gland 7 is logical
Overregulate screw rod 11, adjusting nut 10 is connected with triangular support bracket 2.
Loading head fixed mechanism 5 includes column 24, connecting plate 25, slide plate 29, connecting rod 28；Two columns 24 are by I-steel
It is made, fixes the phase of press beam 6 with first and weld, play connection and supporting role, slide plate 29 are welded on two columns 24, it is sliding
The both sides of plate 29 are respectively welded side shield 26, and two both ends of connecting rod 28 are separately installed with bearing 30, and connecting plate 25 is welded on two
On connecting rod 28, connecting rod 28, bearing 30 and the connection of connecting plate 25 collectively form vehicle structure, and it is straight that the height of side shield 26 is more than bearing 30
Footpath, the bearing 30 at the both ends of connecting rod 28 are respectively placed in side shield 26 and are connected with slide plate 29 in formed groove, and bearing 30 can be in cunning
Slided on plate 29, and then dolly is only slided on slide plate 29, upper end and the horizontal addload first 4 of connecting plate 25 weld, side shield
26 both ends are respectively welded limiting plate 27, to avoid dolly from skidding off slide plate, while provide larger vertical force for side shield 26, add
Carrier head fixed mechanism 5 causes horizontal addload first 4 to move in the horizontal direction.
Test specimen 40 includes intermediate plate 41, side plate 42 and grouting material or concrete 43, adds respectively on intermediate plate 41 and side plate 42
Work has connecting hole 44；The top of upper bindiny mechanism 17 is connected by bolt with vertical actuator 22, the bottom of upper bindiny mechanism 17
It is be hinged by the intermediate plate 41 of pin and test specimen 40；Lower bindiny mechanism 18 includes fixed plate 33, arm-tie 32 and is bi-directionally connected first 31,
Fixed plate 33 is welded in the second fixation press beam 19, be bi-directionally connected first 31 and the upper and lower part of arm-tie 32 be machined with connection respectively
Hole 44, is bi-directionally connected that first 31 top is be hinged by the side plate 42 of pin and test specimen 40, and the bottom for being bi-directionally connected first 31 passes through pin
The upper articulation of bolt and arm-tie 32, the bottom of arm-tie 32 is be hinged by pin and fixed plate 33, and intermediate plate 41 and side plate 42 require
With sufficiently large rigidity, to reduce the influence of Zona transformans, upper bindiny mechanism 17 and lower bindiny mechanism 18 can be test specimen
Freely rotating for 40 offer both directions, makes test specimen 40 be subjected only to axial tension, without producing additional bending moment.
The test method of axial tension experimental rig under above-described effect of contraction, is carried out in accordance with the following steps：
（1）Horizontal actuator 3 and vertical actuator 22 are installed, for ease of viewing test phenomenon, the horizontal height of actuator 3 is not
It is preferably too high, ensure that horizontal actuator 3 is horizontal；Vertical actuator 22 and the center of test specimen 40 are in same vertical plane, water
Flat actuator 3 and the center of test specimen 40 are in same horizontal plane.
（2）The position of adjusting triangle support frame 2, make in its center vertical plane and horizontal actuator 3 and vertical actuator 22
Heart vertical plane overlaps, and adjusts it the distance between with test specimen 40 according to the size of horizontal gland 7, passes through support frame press beam 15
It is fixed with trench 35；Support bar 8 and support frame 9 are welded afterwards, horizontal gland 7 is in same with horizontal actuator 3
Horizontal plane, and be fixed with regulating bolt 11 and adjusting nut 10.
（3）Horizontal addload first 4 and loading head fixed mechanism 5 are installed, first 4 position of adjustment horizontal addload, are allowed to consolidate with level
Fixed first 7 center is in same level, and the loading head fixed mechanism 5 made is placed in into first 4 bottom of horizontal addload afterwards,
Adjustment position, ensure that horizontal addload first 4 has sufficiently large load deflection, the first fixation press beam 6 is placed in into loading head fixes machine
Anchor connection is carried out below structure 5 and by anchorage screw 16 and trench 35, then by the connecting plate of loading head fixed mechanism 5
25th, column 24 respectively weld by the first with horizontal addload 4, first fixation press beam 6, makes an entirety.
（4）Bindiny mechanism 17 and lower bindiny mechanism 18 are installed, upper bindiny mechanism 17 passes through bolt with vertical actuator 22
Connection, the fixed plate 33 of lower bindiny mechanism 18 is welded with the second fixation press beam 19, and is fixed with anchorage screw 16 by second
Press beam 19 carries out anchor connection with trench 35, by prefabricated pin 34, by the fixed plate 33 of lower bindiny mechanism 18, arm-tie
32nd, first 31 are bi-directionally connected and connects into an entirety, the length of arm-tie 32 can be adjusted according to the size of test specimen 40, when ensureing to tense,
The central horizontal face of test specimen 40 overlaps with the central horizontal face of horizontal actuator 3, horizontal addload first 4.
（5）Install test specimen 40, extend downwardly from vertical actuator 22, by test specimen 40 by pin 34 respectively with upper bindiny mechanism
17 and lower bindiny mechanism 18 be attached, lifting vertical actuator 22 makes test specimen 40 be in less tensile stress state；In test specimen
Lateral assembly pulley 20 and backing plate 21 are placed between 40 and horizontal addload first 4 and between test specimen 40 and horizontal gland 7, and is stretched out
Horizontal actuator 3, makes test specimen 40 reach predetermined constraints stress.
（6）Experiment loading, according to experiment needs, the shift invariant of keep level actuator 3 or bearing capacity are constant, and lifting is vertical
Actuator 22, observation test specimen 40 both sides crack produces and development, so as to obtain the damage -form of test specimen 40 under effect of contraction.
The upper bindiny mechanism 17 of the present apparatus and lower bindiny mechanism 18 can be that test specimen 40 provides freely turning for both direction
It is dynamic, test specimen 40 is subjected only to axial tension, without producing additional bending moment.
The present apparatus is a kind of can provide and maintenance level restraint stress or constrained displacement is constant and horizontal contact face should
The device that power is evenly distributed, there is enough rigidity, the lower axial tension of row constraint of going forward side by side effect to test, available for needing to apply
The axial tension test specimen of horizontal restraint effect carries out load test, while available for the constraint such as simulation steel pipe or encryption tie hoop
The axial tension performance test of test specimen under effect, the hoop constraint effect of steel pipe etc. can be preferably simulated, there is measurement essence
The features such as degree is high, reasonable stress, and accuracy is strong, axial tension experiment that can be under accurate simulation effect of contraction.
The preferably feasible embodiment of the utility model is the foregoing is only, not thereby limits to power of the present utility model
Sharp scope, all equivalence changes made with the utility model specification and its accompanying drawing content, is both contained in of the present utility model
Within interest field.
Claims (9)
- A kind of 1. axial tension experimental rig under effect of contraction, it is characterised in that：Including counter force wall, axial push-pull device, water Flat restraint device, the door frame being fixed on trench, test specimen is installed on axial push-pull device；Axial tension device includes vertical actuator, upper bindiny mechanism, lower bindiny mechanism and fixed press beam；Vertical actuator suspension In on door frame, the top of upper bindiny mechanism is connected by bolt with vertical actuator, the bottom of upper bindiny mechanism by pin with The upper end of test specimen is hinged, and lower bindiny mechanism includes fixed plate, arm-tie and is bi-directionally connected head, and fixed plate is fixedly mounted on fixed press beam On, the upper and lower part for being bi-directionally connected head and arm-tie is machined with connecting hole respectively, and the top for being bi-directionally connected head passes through pin and examination The lower end of part is hinged, and the bottom for being bi-directionally connected head by pin and is consolidated by pin and the upper articulation of arm-tie, the bottom of arm-tie Fixed board is hinged；Horizontal restraint device includes horizontal actuator, horizontal addload head, horizontal gland, triangular support bracket, support frame press beam, water Flat actuator is fixedly mounted on counter force wall, and horizontal addload head and horizontal gland are separately positioned on the both sides of test specimen, level plus Carrier head is connected by high-strength bolt with horizontal actuator, and horizontal gland passes through adjusting screw rod, adjusting nut and triangular support bracket Connect, set two adjusting nuts to be used for the position for adjusting horizontal gland on each adjusting screw rod, triangular support bracket passes through branch Support press beam is fixed on trench.
- 2. the axial tension experimental rig under effect of contraction according to claim 1, it is characterised in that：Fixed press beam includes First fixes press beam and the second fixation press beam, and horizontal addload head is connected by loading head fixed mechanism with the first fixation press beam, the Two fixation press beams are fixedly connected with the fixed plate of lower bindiny mechanism, and the first fixation press beam and the second fixation press beam pass through anchoring respectively Screw rod is fixedly connected with trench.
- 3. the axial tension experimental rig under effect of contraction according to claim 1, it is characterised in that：Test specimen adds with horizontal Between carrier head, workpiece and a backing plate and a lateral assembly pulley are respectively arranged between horizontal gland.
- 4. the axial tension experimental rig under effect of contraction according to claim 1, it is characterised in that：Horizontal actuator, Horizontal addload head, horizontal gland and test specimen are centrally located in same level；Vertical actuator and test specimen are centrally located at In same vertical plane.
- 5. the axial tension experimental rig under effect of contraction according to claim 1, it is characterised in that：Horizontal gland is led to Cross support bar and supporting plate is supported, supporting plate is arranged on triangular support bracket, and support bar is set on the supporting plate.
- 6. the axial tension experimental rig under effect of contraction according to claim 1, it is characterised in that：Triangular support bracket bag Vertical supporting, bearing diagonal and horizontal support are included, vertical supporting is arranged on horizontal support, and the both ends of bearing diagonal are propped up with vertical respectively Support connects with horizontal support, and vertical supporting is stretched out in one end of horizontal support, and on the horizontal support of vertical supporting front and rear sides A support frame press beam is placed respectively, and support frame press beam is mutually fixed using screw rod with trench, the other end of horizontal support and fixation Concrete has been poured between wall.
- 7. the axial tension experimental rig under effect of contraction according to claim 1, it is characterised in that：Horizontal addload head and Horizontal gland includes front spring, rear steel plate, connects floor and floor of putting more energy into, two pieces of floors of putting more energy into are vertically welded in connection respectively On floor, connection floor, the both ends for floor of putting more energy into are welded with front spring, rear steel plate respectively, and the rear steel plate of horizontal addload head passes through High-strength bolt is connected with horizontal actuator, and the rear steel plate of horizontal gland passes through adjusting screw rod, adjusting nut and triangular support bracket Connection.
- 8. the axial tension experimental rig under effect of contraction according to claim 2, it is characterised in that：Loading head fixes machine Structure includes column, connecting plate, slide plate, connecting rod；Two columns are made by I-steel, are mutually welded with the first fixation press beam, Slide plate is welded on two columns, and slide plate both sides are respectively welded side plate, and two connecting rod two ends are separately installed with bearing, connecting plate It is welded on two connecting rods, connecting rod, bearing and connecting plate, which connect, collectively forms vehicle structure, and side plate is highly more than bearing diameter, The bearing of connecting rod two end is respectively placed in side plate and is connected with slide plate in formed groove, and bearing can slide on slide plate, connecting plate Upper end and horizontal addload head weld, side plate both ends are respectively welded limiting plate.
- 9. the axial tension experimental rig under effect of contraction according to claim 2, it is characterised in that：Test specimen includes centre Connecting hole is machined with plate, side plate and grouting material or concrete, intermediate plate and side plate respectively, the bottom of upper bindiny mechanism passes through pin The intermediate plate of bolt and test specimen is hinged, and the top for being bi-directionally connected head is hinged by the side plate of pin and test specimen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720541239.9U CN206710210U (en) | 2017-05-16 | 2017-05-16 | Axial tension experimental rig under effect of contraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720541239.9U CN206710210U (en) | 2017-05-16 | 2017-05-16 | Axial tension experimental rig under effect of contraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206710210U true CN206710210U (en) | 2017-12-05 |
Family
ID=60464280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720541239.9U Withdrawn - After Issue CN206710210U (en) | 2017-05-16 | 2017-05-16 | Axial tension experimental rig under effect of contraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206710210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969978A (en) * | 2017-05-16 | 2017-07-21 | 华北理工大学 | Axial tension experimental rig and its test method under effect of contraction |
| CN108020412A (en) * | 2018-01-15 | 2018-05-11 | 中铁时代建筑设计院有限公司 | It is a kind of to be used for horizontal actuator and the attachment device of counter force wall |
-
2017
- 2017-05-16 CN CN201720541239.9U patent/CN206710210U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969978A (en) * | 2017-05-16 | 2017-07-21 | 华北理工大学 | Axial tension experimental rig and its test method under effect of contraction |
| CN106969978B (en) * | 2017-05-16 | 2023-06-09 | 华北理工大学 | Axial tension test device under constraint action and test method thereof |
| CN108020412A (en) * | 2018-01-15 | 2018-05-11 | 中铁时代建筑设计院有限公司 | It is a kind of to be used for horizontal actuator and the attachment device of counter force wall |
| CN108020412B (en) * | 2018-01-15 | 2024-04-30 | 中铁时代建筑设计院有限公司 | Connecting device for horizontal actuator and counterforce wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206696093U (en) | Axial tension experimental rig | |
| CN107167378A (en) | Axial tension experimental rig and its test method | |
| CN106996900A (en) | Axial push-pull experimental rig and its test method under effect of contraction | |
| CN106969978A (en) | Axial tension experimental rig and its test method under effect of contraction | |
| CN107525726A (en) | Frame structure beam-column-slab connection Oblique loading device | |
| CN105277444B (en) | Fully mechanical pile foundation model test apparatus and test method based on multidirectional loading | |
| CN102706734B (en) | Loading test device and method of asymmetric lateral-force-resisting structure | |
| CN106680090B (en) | Testing device and testing method for stable bearing capacity of angle steel crossed diagonal material | |
| CN104697758B (en) | Two power rod member test-beds | |
| CN207181186U (en) | Frame structure beam-column-slab connection Oblique loading device | |
| CN106680095A (en) | Assembled special-shaped-column-structured loading device and test method thereof | |
| CN103207121B (en) | The force self-balanced charger of a kind of different column section node constant shaft | |
| CN103398908A (en) | Steel-concrete composite column anti-seismic anti-torsion test loading device and manufacturing method thereof | |
| CN207114343U (en) | Multistory frame structure loads and its deformation measuring device | |
| CN207300722U (en) | A kind of bean column node Experimental Study on Seismic Behavior device | |
| CN106501014A (en) | Vertical load testing machine for domain tunnel structure | |
| CN205642868U (en) | Two -way load combined action capability test device of herringbone post node | |
| CN110398429B (en) | Steel pipe concrete anti-seismic performance test device and test method considering influence of construction process | |
| CN102539240A (en) | Column performance testing device and method under action of horizontal and vertical load coupling | |
| CN206710210U (en) | Axial tension experimental rig under effect of contraction | |
| CN203216811U (en) | Constant-axial force self-balancing loading device for nodes on different column sections | |
| CN113335560B (en) | Complex load box section or barrel section test device and method | |
| CN104713691B (en) | Device for exerting axis-compression ratio and fixing test specimen for structural seismic performance test and testing method for device | |
| CN109540442A (en) | The experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action | |
| CN206348147U (en) | A kind of test-bed device of engine and power assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20230609 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20230609 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |