CN110308049A - Multidimensional loads comprehensive test system - Google Patents
Multidimensional loads comprehensive test system Download PDFInfo
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- CN110308049A CN110308049A CN201910647922.4A CN201910647922A CN110308049A CN 110308049 A CN110308049 A CN 110308049A CN 201910647922 A CN201910647922 A CN 201910647922A CN 110308049 A CN110308049 A CN 110308049A
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- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 13
- 238000007906 compression Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012669 compression test Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
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- 238000009628 steelmaking Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to experimental rig technical fields, specifically multidimensional loads comprehensive test system, the present invention is detected for solving the problems, such as that existing testing equipment cannot carry out vertical tension and compression load, horizontal shear, the moment of flexure of different directions angle, torque to test specimen simultaneously, the present invention includes pressure testing host, corner test system and frame foundation platform, counter-force column is installed on any frame foundation platform, horizontal addload height adjusting system is installed on the counter-force column, horizontal addload system is installed on the horizontal addload height adjusting system.The present invention can detecte the vertical tension and compression load of test specimen by pressure testing host；The horizontal shear that can detecte test specimen is used by the collocation of pressure testing host and horizontal addload system；It can detecte moment of flexure, the torque of test specimen different directions angle by the collocation of pressure testing host and corner test system, and above-mentioned three kinds of tests can carry out simultaneously.
Description
Technical field
The present invention relates to experimental rig technical fields, load comprehensive test system more particularly to multidimensional.
Background technique
Structural Engineering is the second level subject for being under the jurisdiction of civil engineering first level discipline, mainly with mechanics method to works into
Row analysis and design, and the assessment in relation to service state is carried out, the Structural Engineering research object of broad sense refers to earth surface or shallow
All intracrustal artificial works of table, the Structural Engineering of narrow sense then mainly include industry and civil buildings.The need of Structural Engineering
It is detected accordingly, and detection structure engineering can use corresponding testing equipment.
The testing equipment of Structural Engineering also mainly includes long column pressure testing machine and multipoint excitation test system in the prior art
System, these two types of types do not have during the test while applying the ability of various dimensions Complicated Loads, also can not be general to bridge
Every mechanics properties testing of logical support.And to certain test specimens such as heavy steel member, steel and concrete structure, bean column node, rood beam
Deng carry out combined loading test when, test specimen need simultaneously by vertical tension and compression load, horizontal shear, different directions angle it is curved
Square, torque, and the examination that these various stress can not be coupled simultaneously in existing pressure testing machine and multipoint excitation pilot system
Operating condition is tested to be detected.Therefore, we urgent need one kind can to test specimen simultaneously carry out vertical tension and compression load, level is cut
The comprehensive test system that power, different directions angle moment of flexure, torque detect.
Summary of the invention
Based on problem above, the present invention provides multidimensional to load comprehensive test system, for solving existing testing equipment not
The problem of vertical tension and compression load, horizontal shear, different directions angle moment of flexure, torque detection detection capable of being carried out to test specimen simultaneously.This
Invention can detecte the vertical tension and compression load of test specimen by pressure testing host；Pass through pressure testing host and horizontal addload system
Collocation using can detecte the horizontal shear of test specimen；It can detecte by pressure testing host and the collocation of corner test system
The angle moment of flexure of test specimen different directions, torque, and above-mentioned three kinds of tests can carry out simultaneously.
The present invention specifically uses following technical scheme to achieve the goals above:
Multidimensional loads comprehensive test system, including the pressure testing host for measuring test specimen Tensile or Compressive Loading, the pressure
The side of test host is equipped with the corner test system for measuring test specimen moment of flexure or torque, the corner test system and pressure
Power is tested host collocation and is used, and four sides of the pressure testing host are mounted on frame foundation platform, any frame
Counter-force column is installed on based platform, horizontal addload height adjusting system, the horizontal addload height are installed on the counter-force column
Horizontal addload system for measuring coupon level shearing, the horizontal addload system and pressure testing are installed in regulating system
Host collocation uses.
As a preferred mode, the pressure testing host includes pedestal, and the top surface of the pedestal is equipped with more
Vertical lead screw is mounted on the vertical nut in same level, multiple vertical spiral shells on the more vertical lead screws
Same vertical crossbeam is installed, the bottom surface of the vertical crossbeam is equipped with top board, the lower part installation of the vertical lead screw on mother
There is the rotating mechanism that can drive vertical lead screw rotation；Vertical hydraulic cylinder is also equipped in the middle part of the top surface of the pedestal, it is described vertical
Vertical load transducer is installed in hydraulic cylinder.
As a preferred mode, guiding device, the guiding device are installed on the piston of the vertical hydraulic cylinder
It is equipped with the first Self-aligning mechanism, first Self-aligning mechanism includes the ball-and-socket for being opened in guiding device top surface.
As a preferred mode, the rotating mechanism includes the hydraulic motor being mounted on the base, the hydraulic horse
Up to being above equipped with the first drive sprocket, the lower part of the more vertical lead screws is mounted on the first driven sprocket, described first from
It is connected, is connected between the vertical lead screw and frame foundation platform lower slow by the first chain between movable sprocket and the first drive sprocket
Punch mechanism is equipped with the upper buffer gear contacted with counter-force column on the top board.
As a preferred mode, the lower buffer gear includes the guiding being mounted on vertical lead screw by bearing
It covers, is connected with fixed strut on the guide sleeve, the other end of the fixed strut is connect with frame foundation platform.
As a preferred mode, the upper buffer gear includes the adjustable mandril being connected on top board, it is described can
It adjusts the other end of mandril that adjustable nut is installed, the nut fixture block that can be connect with counter-force column is installed on the adjustable nut.
As a preferred mode, the horizontal addload height adjusting system includes being mounted on frame foundation platform
More horizontal screw leads, the horizontal addload system are mounted on horizontal screw lead by horizontal nut, the upper end of the horizontal screw lead
Second driven sprocket is installed, the upper end of the counter-force column is equipped with speed reducer, the second drive chain is equipped on the speed reducer
Wheel is connected between second drive sprocket and the second driven sprocket by the second chain.
As a preferred mode, the horizontal addload system includes preceding reaction frame and rear reaction frame, before described
It is respectively connected with slide bar between reaction frame and the upper and lower part of rear reaction frame, position is installed on the side of the rear reaction frame
Horizontal load sensor between two slide bars is equipped with horizontal hydraulic cylinder, the water on the horizontal load sensor
Flat hydraulic cylinder is mounted in horizontal gird, and the top and bottom of the horizontal gird pass through movable pulley group and connect with slide bar, institute
The front end of reaction frame is removably connected with the shear plate across test host before stating, and the horizontal gird passes through horizontal nut
It is connect with horizontal screw lead, the guiding mechanism contacted with counter-force column is also equipped on the horizontal gird.
As a preferred mode, the guiding mechanism is the guiding for being mounted on horizontal gird and contacting with counter-force column
Wheel group.
As a preferred mode, the corner test system includes the corner hydraulic cylinder being mounted on the base, described
Rotary angle transmitter is installed in corner hydraulic cylinder, angled mandril, the top of the corner mandril are installed on the rotary angle transmitter
Face is equipped with the second Self-aligning mechanism, and second Self-aligning mechanism includes the bulb for being located at corner mandril top surface.
Beneficial effects of the present invention are as follows:
(1) present invention can detecte the vertical tension and compression load of test specimen by pressure testing host；Pass through pressure testing host
Collocation with horizontal addload system uses the horizontal shear that can detecte test specimen；Pass through pressure testing host and corner test system
Collocation can detecte the angle moment of flexure of test specimen different directions, torque, and above-mentioned three kinds of tests can carry out simultaneously.
(2) it when in the present invention with the vertical tension and compression load of pressure testing host measurement test specimen, is driven by hydraulic motor perpendicular
The rotation of raw silk rings thick stick, vertical lead screw drives vertical crossbeam and top board to move down again, until with the examination that is mounted on sample presentation trolley
Part contact restarts vertical hydraulic cylinder and applies pressure, the vertical load transducer being installed in vertical hydraulic cylinder to test specimen
Measure the vertical Tensile or Compressive Loading of test specimen.
(3) when using the horizontal shear of horizontal addload systematic survey test specimen in the present invention, pressure testing host test part is first used
The mode of vertical tension and compression load makes vertical hydraulic cylinder to the vertical load certain by side test specimen, restarts horizontal hydraulic cylinder drive
Shear plate applies horizontal load to test specimen, measures horizontal shear suffered by test specimen as horizontal load sensor.
(4) when the angle moment of flexure of present invention corner test systematic survey test specimen different directions, torque, pressure testing is first used
The mode of the vertical tension and compression load of host test part makes vertical hydraulic cylinder to the vertical load certain by side test specimen, restarts corner
Hydraulic cylinder drives angle pole to contact with the rotary corner plate being mounted on test specimen, the arm of force is formed using the rigidity of rotary corner plate, thus to examination
Part applies the torque of different angle, and the angle moment of flexure or torque of test specimen different directions can be measured by rotary angle transmitter.
(5) the first bulb, the first bulb and guiding are equipped with by the bottom surface of the sample presentation trolley in carrying test specimen in the present invention
Ball-and-socket on device forms the first Self-aligning mechanism, when the test specimen of sample presentation trolley is under pressure, passes through first bulb and the
The flexible rotating of one ball-and-socket corrects the coaxiality error of test specimen and vertical hydraulic cylinder, adapts to deflection angle, loads compression test
In the process sample presentation trolley can voluntarily be adjusted according to test specimen true form with vertical hydraulic cylinder central alignment, make test specimen entirety stress
Uniformly, guarantee test result is more authentic and valid.
(6) the second bulb of corner mandril top surface and the second ball-and-socket of rotary corner plate bottom surface being mounted on test specimen in the present invention
The second Self-aligning mechanism is formed, is rotated during the test with rotary corner plate, the second bulb and the second ball-and-socket automatic aligning make test specimen
Whole uniform force, guarantee test result are more authentic and valid.
(7) present invention can make the reinforcing of pressure testing machine host be fixed on frame by upper buffer gear and lower buffer gear
On frame foundation platform and counter-force column, so as to cut down the horizontal direction component generated in test loading procedure to pressure testing owner
The influence of machine reaches self-balancing effect.
Detailed description of the invention
Fig. 1 is Facad structure schematic diagram of the invention；
Fig. 2 is plan structure schematic diagram of the invention；
Fig. 3 is Facad structure schematic diagram when frame foundation platform of the present invention and counter-force column link together；
Fig. 4 is plan structure schematic diagram when frame foundation platform of the present invention and counter-force column link together；
Fig. 5 is the Facad structure schematic diagram of pressure testing host of the present invention；
Fig. 6 is the side structure schematic diagram of pressure testing host of the present invention；
Fig. 7 is the plan structure schematic diagram of pressure testing host of the present invention；
Fig. 8 is the Facad structure schematic diagram of horizontal addload height adjusting system of the present invention；
Fig. 9 is the side structure schematic diagram of horizontal addload height adjusting system of the present invention；
Figure 10 is the three-dimensional structure sketch of horizontal addload system of the present invention；
Figure 11 is the plan structure schematic diagram of horizontal addload system of the present invention；
Figure 12 is the sectional structure schematic diagram in Figure 11 of the present invention at A-A；
Figure 13 is the front cross-sectional structure diagram of corner test system of the present invention；
Figure 14 is the enlarged diagram in Fig. 1 of the present invention at B；
Appended drawing reference: 1 frame foundation platform, 2 corner test systems, 21 corner hydraulic cylinders, 22 rotary angle transmitters, 23 corners
Mandril, 231 second bulbs, 3 pressure testing hosts, 31 pedestals, 32 vertical hydraulic cylinders, 33 guide sleeves, 34 vertical lead screws, 35 is vertical
Crossbeam, 36 vertical nuts, 37 first driven sprockets, 38 first chains, 39 first drive sprockets, 310 hydraulic motors are pressed on 311
Plate, 312 guiding devices, 3,121 first ball-and-sockets, 4 horizontal addload height adjusting systems, 41 horizontal screw leads, 42 second drive sprockets,
43 second driven sprockets, 44 second chains, 45 second drive sprockets, 46 speed reducers, 5 counter-force columns, 6 horizontal addload systems, 61 water
Flat crossbeam, 62 horizontal nuts, reaction frame after 63,64 slide bars, 65 guide wheel groups, reaction frame before 66,67 shear plates, 68 slidings
Wheel group, 69 horizontal hydraulic cylinders, 610 horizontal load sensors, buffer gear on 7,71 adjustable mandrils, 72 adjustable nuts, 73 nuts
Fixture block, 8 fixed struts.
Specific embodiment
In order to which those skilled in the art better understand the present invention, with reference to the accompanying drawing with following embodiment to the present invention
It is described in further detail.
Embodiment 1:
As shown in figs. 1-7, multidimensional loads comprehensive test system, includes the pressure testing host for measuring test specimen Tensile or Compressive Loading
3, the side of pressure testing host 3 is equipped with the corner test system 2 for measuring test specimen moment of flexure or torque, corner test system
2 use with the collocation of pressure testing host 3, and four sides of pressure testing host 3 are mounted on frame foundation platform 1, any frame
Counter-force column 5 is installed on based platform 1, horizontal addload height adjusting system 4, horizontal addload height adjustment are installed on counter-force column 5
Horizontal addload system 6 for measuring coupon level shearing, horizontal addload system 6 and pressure testing host 3 are installed in system 4
Collocation uses.
Preferably, pressure testing host 3 includes pedestal 31, and the top surface of pedestal 31 is equipped with more vertical lead screws 34, and more
It is mounted on the vertical nut 36 in same level on vertical lead screw 34, is equipped on multiple vertical nuts 36 same perpendicular
Straight crossbeam 35, the bottom surface of vertical crossbeam 35 are equipped with top board 311, and the lower part of vertical lead screw 34, which is equipped with, can drive vertical lead screw
The rotating mechanism of 34 rotations；It is also equipped with vertical hydraulic cylinder 32 in the middle part of the top surface of pedestal 31, is equipped in vertical hydraulic cylinder 32 perpendicular
Straight load transducer.Vertical load transducer is mounted in vertical hydraulic cylinder 32 that measurement test specimen institute is loaded, passes through conventional means
It may be implemented.
Preferably, guiding device 312 is installed, guiding device 312 is equipped with first certainly on the piston of vertical hydraulic cylinder 32
Core-regulating mechanism, the first Self-aligning mechanism include the ball-and-socket for being opened in 312 top surface of guiding device.
Preferably, rotating mechanism includes the hydraulic motor 310 being mounted on pedestal 31, and is equipped on hydraulic motor 310
One drive sprocket 39, the lower part of more vertical lead screws 34 are mounted on the first driven sprocket 37, the first driven sprocket 37 and first
It is connected between drive sprocket 39 by the first chain 38, is connected with lower buffer gear between vertical lead screw 34 and frame foundation platform 1, on
The upper buffer gear 7 contacted with counter-force column 5 is installed on pressing plate 311.
Preferably, lower buffer gear includes the guide sleeve 33 being mounted on vertical lead screw 34 by bearing, on guide sleeve 33
It is connected with fixed strut 8, the other end of fixed strut 8 is connect with frame foundation platform 1.
Preferably, upper buffer gear 7 includes the adjustable mandril 71 that is connected on top board 311, adjustable mandril 71 it is another
End is equipped with adjustable nut 72, and the nut fixture block 73 that can be connect with counter-force column 5 is equipped on adjustable nut 72.
The concrete mechanism of the measurement vertical tension and compression load of test specimen is given in the present embodiment, its working principle is that: it is first when test
Test specimen is placed on to the center of sample presentation trolley, then manually controls and sample presentation trolley is reached into testing position, preferred sample is small
Vehicle can convince the position for needing sample by patient analysis by track.Further according to the height of test specimen, the first active is driven by hydraulic motor 310
Sprocket wheel 39 rotates, and the first drive sprocket 39 drives the first driven sprocket 37 being mounted on vertical lead screw 34 by the first chain 38
Rotation, so that vertical lead screw 34 is driven to rotate synchronously, it can band horizontal gird 61 and top board 311 while vertical nut 36 rotates
It rises or falls, when top board 311 completely attaches to test specimen, then rises vertical hydraulic cylinder 32, the work of vertical hydraulic cylinder 32
Plug drives guiding device 312 to rise, the first bulb group of the first ball-and-socket 3121 and sample presentation trolley bottom surface of 312 top surface of guiding device
At the first Self-aligning mechanism, when the test specimen of sample presentation trolley is under pressure, pass through the spirit of first bulb and the first ball-and-socket 3121
Rotation living, corrects the coaxiality error of test specimen and vertical hydraulic cylinder 32, adapts to deflection angle, makes to send in compression test loading procedure
Sample trolley can voluntarily be adjusted according to test specimen true form and 32 central alignment of vertical hydraulic cylinder, makes test specimen entirety uniform force,
Guarantee test result is more authentic and valid.Vertical hydraulic cylinder 32 applies vertically to compressive load, by vertically to hydraulic cylinder test specimen
The vertical load transducer of interior installation can measure vertical Tensile or Compressive Loading suffered by test specimen.
Wherein, pedestal 31, horizontal gird 61 are integral cast steel box-structure, make it have very high intensity and rigidity,
Vertical hydraulic cylinder 32 applies vertically to load test specimen.Vertical lead screw 34 uses quenched structure steel making, the number of vertical lead screw 34
Amount preferably four, vertical lead screw 34 and the cooperation of vertical screw are accurate, so that horizontal gird 61 is steady when going up and down, noise is small.It is horizontal
Crossbeam 61 and top board 311, which are connected with each other, has very high rigidity；Here the model of hydraulic motor 310 can choose JMDG16-
2000B type large torque low speed hydraulic motor 310, vertical load transducer can choose CZLYB-4BH-30000kN, vertical hydraulic
The maximum output of cylinder 32 is up to 30000kN.
In addition, pressure testing machine host can be made to strengthen with being fixed on frame by upper buffer gear 7 and lower buffer gear
On based platform 1 and counter-force column 5, so as to cut down the horizontal direction component generated in test loading procedure to pressure testing machine host
Influence, reach self-balancing effect.When generally doing horizontal shear test, counter-force column 5 makes adjustable spiral shell by adjusting adjustable nut 72
Female 72 front ends offset with counter-force column 5, to the horizontal component of pressure testing host 3 when being sheared by counter-force column 5 come equilibrium level, but
When measurement angle moment of flexure, torque, adjustable mandril 71 is bolted on counter-force column 5 with nut fixture block 73 by adjustable nut 72
On, in this way the lateral forces such as load, moment of flexure can be pulled to by what pressure testing host 3 when counter-force 5 blance test of column was received.
Embodiment 2:
As shown in figs. 1-12, this gives a kind of preferred machines of horizontal addload system on the basis of embodiment 1
Structure, i.e. horizontal addload height adjusting system 4 include more horizontal screw leads 41 being mounted on frame foundation platform 1, horizontal addload
System 6 is mounted on horizontal screw lead 41 by horizontal nut 62, and the upper end of horizontal screw lead 41 is equipped with the second driven sprocket 43, instead
The upper end of power column 5 is equipped with speed reducer 46, and the second drive sprocket 42, the second drive sprocket 42 and second are equipped on speed reducer 46
It is connected between driven sprocket 43 by the second chain 44.
Preferably, horizontal addload system 6 includes preceding reaction frame 66 and rear reaction frame 63, preceding reaction frame 66 and rear anti-
It is respectively connected with slide bar 64 between the upper and lower part of power frame 63, is equipped on the side of rear reaction frame 63 positioned at two slide bars 64
Between horizontal load sensor 610, horizontal hydraulic cylinder 69 is installed, horizontal hydraulic cylinder 69 is installed on horizontal load sensor 610
In horizontal gird 61, the top and bottom of horizontal gird 61 pass through movable pulley group 68 and connect with slide bar 64, preceding reaction frame
66 front end is removably connected with the shear plate 67 across test host, and horizontal gird 61 passes through horizontal nut 62 and horizontal silk
Thick stick 41 connects, and is also equipped with the guiding mechanism contacted with counter-force column 5 on horizontal gird 61.
Preferably, guiding mechanism is the guide wheel group 65 for being mounted on horizontal gird 61 and contacting with counter-force column 5.
The working principle of the present embodiment: when horizontal addload is tested, test specimen is first placed on to the center of sample presentation trolley, then will
Sample presentation trolley reaches testing position, while the monaural of 67 front end of shear plate being worn and is inserted into 66 front end ears of preceding reaction frame at pin
In, it is directed at pinned hole, two shear pins are penetrated, before shear plate 67 being mounted on reaction frame 66.It is pressed in adjusting
The adjustable nut 72 of plate 311 makes 72 front end of adjustable nut offset with counter-force column 5, so as to cut down hydraulic test loading procedure
Influence of the horizontal direction component of middle generation to pressure testing machine host, reaches self-balancing effect.
After regulating above, according to the height of test specimen, the side of the vertical tension and compression load of 3 test block of pressure testing host is first used
Formula makes vertical hydraulic cylinder to the vertical load certain by side test specimen, after vertical load reaches target value, starts horizontal hydraulic cylinder
69, make to be mounted on 61 bottom surface of horizontal gird and the movable pulley group 68 of top surface is slided in sliding, thus reaction frame 66 before driving
It forward extends out, it is final that shear plate 67 is driven to apply horizontal direction load to test specimen, it is measured suffered by test specimen as horizontal load sensor 610
Horizontal shear.Wherein 610 model of horizontal load sensor can choose 1936-2000kN spoke type force snesor, speed reducer
46 model can choose BWY22-71-2.2 cycloidal planetary gear speed reducer, and the maximum output of horizontal hydraulic cylinder 69 is up to 2000kN.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
Embodiment 3:
As represented in figures 1 through 14, this gives a kind of preferred machines of corner test system on the basis of embodiment 1
Structure, i.e. corner test system 2 include the corner hydraulic cylinder 21 being mounted on pedestal 31, the angled biography of installation in corner hydraulic cylinder 21
Sensor 22, installs angled mandril 23 on rotary angle transmitter 22, and the top surface of corner mandril 23 is equipped with the second Self-aligning mechanism, and second
Self-aligning mechanism includes the bulb for being located at 23 top surface of corner mandril.
The working principle of the present embodiment are as follows: when corner test, first corner mandril 23 is mounted on corner hydraulic cylinder 21, so
Put a test specimen in rotary corner plate top afterwards, rotary corner plate puts a test specimen below, from top to bottom sequence are as follows: top board 311, test specimen,
Sample presentation trolley after so installing test specimen, is reached testing position by rotary corner plate, test specimen, sample presentation trolley.When test, first basis
Height of specimen first uses the mode of the vertical tension and compression load of 3 test block of pressure testing host, makes vertical hydraulic cylinder to certain by side test specimen
Vertical load, after vertical load reaches target value, rise corner hydraulic cylinder 21, connect by corner mandril 23 with rotary corner plate
Touching forms the arm of force using the rigidity of rotary corner plate, to apply the torque of different angle to test specimen, can be surveyed by rotary angle transmitter 22
The angle moment of flexure or torque of test specimen different directions out.In addition, the second bulb 231 of 23 top surface of corner mandril be mounted on test specimen
Rotary corner plate bottom surface the second ball-and-socket form the second Self-aligning mechanism, rotated during the test with rotary corner plate, the second bulb 231
With the second ball-and-socket automatic aligning, make test specimen entirety uniform force, guarantee test result is more authentic and valid, it is desirable that corner hydraulic cylinder
21 maximum output is 600kN, and concrete model can be selected voluntarily.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
It as above is the embodiment of the present invention.Design parameter in above-described embodiment and embodiment is merely to understand table
Invention verification process is stated, the scope of patent protection being not intended to limit the invention, scope of patent protection of the invention is still with it
It is all to change with equivalent structure made by specification and accompanying drawing content of the invention subject to claims, it should all similarly wrap
Containing within the scope of the present invention.
Claims (10)
1. multidimensional loads comprehensive test system, it is characterised in that: including the pressure testing host for measuring test specimen Tensile or Compressive Loading
(3), the side of the pressure testing host (3) is equipped with the corner test system (2) for measuring test specimen moment of flexure or torque, institute
It states corner test system (2) and pressure testing host (3) collocation to use, four sides of the pressure testing host (3) are mounted on
Frame foundation platform (1) is equipped with counter-force column (5) on any frame foundation platform (1), installs on the counter-force column (5)
Have horizontal addload height adjusting system (4), is equipped on the horizontal addload height adjusting system (4) for measuring coupon level
The horizontal addload system (6) of shearing, the horizontal addload system (6) and pressure testing host (3) collocation use.
2. multidimensional according to claim 1 loads comprehensive test system, it is characterised in that: the pressure testing host (3)
Including pedestal (31), the top surface of the pedestal (31) is equipped with more vertical lead screws (34), on the more vertical lead screws (34)
It is mounted on the vertical nut (36) being located in same level, same vertical cross is installed on multiple vertical nuts (36)
The bottom surface of beam (35), the vertical crossbeam (35) is equipped with top board (311), and the lower part of the vertical lead screw (34) is equipped with can
The rotating mechanism for driving vertical lead screw (34) to rotate；Vertical hydraulic cylinder (32) are also equipped in the middle part of the top surface of the pedestal (31),
Vertical load transducer is installed in the vertical hydraulic cylinder (32).
3. multidimensional according to claim 2 loads comprehensive test system, it is characterised in that: the vertical hydraulic cylinder (32)
It is equipped on piston guiding device (312), the guiding device (312) is equipped with the first Self-aligning mechanism, first self-regulated
Concentric mechanism includes the first ball-and-socket (3121) for being opened in guiding device (312) top surface.
4. multidimensional according to claim 2 loads comprehensive test system, it is characterised in that: the rotating mechanism includes installation
Hydraulic motor (310) on pedestal (31) is equipped with the first drive sprocket (39) on the hydraulic motor (310), more institutes
The lower part for stating vertical lead screw (34) is mounted on the first driven sprocket (37), first driven sprocket (37) and the first drive chain
It is connected between wheel (39) by the first chain (38), is connected with lower buffering between the vertical lead screw (34) and frame foundation platform (1)
Mechanism is equipped with the upper buffer gear (7) contacted with counter-force column (5) on the top board (311).
5. multidimensional according to claim 4 loads comprehensive test system, it is characterised in that: the lower buffer gear includes logical
The guide sleeve (33) that bearing is mounted on vertical lead screw (34) is crossed, is connected with fixed strut (8) on the guide sleeve (33), it is described
The other end of fixed strut (8) is connect with frame foundation platform (1).
6. multidimensional according to claim 4 loads comprehensive test system, it is characterised in that: upper buffer gear (7) packet
The adjustable mandril (71) being connected on top board (311) is included, the other end of the adjustable mandril (71) is equipped with adjustable nut
(72), the nut fixture block (73) that can be connect with counter-force column (5) is installed on the adjustable nut (72).
7. multidimensional according to claim 1 loads comprehensive test system, it is characterised in that: the horizontal addload height adjustment
System (4) includes more horizontal screw leads (41) being mounted on frame foundation platform (1), and the horizontal addload system (6) passes through
Horizontal nut (62) is mounted on horizontal screw lead (41), and the upper end of the horizontal screw lead (41) is equipped with the second driven sprocket
(43), the upper end of the counter-force column (5) is equipped with speed reducer (46), is equipped with the second drive sprocket on the speed reducer (46)
(42), second drive sprocket (42) is connect between the second driven sprocket (43) by the second chain (44).
8. multidimensional according to claim 7 loads comprehensive test system, it is characterised in that: the horizontal addload system (6)
Including preceding reaction frame (66) and rear reaction frame (63), the top of the preceding reaction frame (66) and rear reaction frame (63) and
It is respectively connected between lower part slide bar (64), is equipped between two slide bars (64) on the side of the rear reaction frame (63)
Horizontal load sensor (610), horizontal hydraulic cylinder (69), the level are installed on the horizontal load sensor (610)
Hydraulic cylinder (69) is mounted in horizontal gird (61), and the top and bottom of the horizontal gird (61) pass through movable pulley group (68)
It is connect with slide bar (64), the front end of the preceding reaction frame (66) is removably connected with the shear plate across test host
(67), the horizontal gird (61) is connect by horizontal nut (62) with horizontal screw lead (41), on the horizontal gird (61) also
The guiding mechanism contacted with counter-force column (5) is installed.
9. multidimensional according to claim 8 loads comprehensive test system, it is characterised in that: the guiding mechanism is to be mounted on
The guide wheel group (65) contacted on horizontal gird (61) and with counter-force column (5).
10. multidimensional according to claim 1 loads comprehensive test system, it is characterised in that: the corner test system (2)
Including the corner hydraulic cylinder (21) being mounted on pedestal (31), rotary angle transmitter is installed in the corner hydraulic cylinder (21)
(22), it is installed angled mandril (23) on the rotary angle transmitter (22), the top surface of the corner mandril (23) is equipped with second certainly
Core-regulating mechanism, second Self-aligning mechanism include the second bulb (231) for being located at corner mandril (23) top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910647922.4A CN110308049A (en) | 2019-07-18 | 2019-07-18 | Multidimensional loads comprehensive test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647922.4A CN110308049A (en) | 2019-07-18 | 2019-07-18 | Multidimensional loads comprehensive test system |
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| CN110308049A true CN110308049A (en) | 2019-10-08 |
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| CN201910647922.4A Pending CN110308049A (en) | 2019-07-18 | 2019-07-18 | Multidimensional loads comprehensive test system |
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