CN110426226A - Step deflection test tooling - Google Patents
Step deflection test tooling Download PDFInfo
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- CN110426226A CN110426226A CN201910734714.8A CN201910734714A CN110426226A CN 110426226 A CN110426226 A CN 110426226A CN 201910734714 A CN201910734714 A CN 201910734714A CN 110426226 A CN110426226 A CN 110426226A
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- workbench
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- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000004308 accommodation Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 21
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of step deflection test toolings, including workbench, clamping device, supporting mechanism, Test driver mechanism, sensor and step pressure head portion；The supporting mechanism is installed on the upper surface of workbench, the Test driver mechanism is installed on supporting mechanism, the sensor is installed on the output end of Test driver mechanism, the clamping device is installed on the upper surface of workbench, this clamping device is for limiting step portion, and step pressure head portion includes joint shaft bearing sleeve and last item, and the joint shaft bearing sleeve is connect with the output end of Test driver mechanism, one end of the last item is connect with joint shaft bearing sleeve, and the other end of the last item is connect with clamping device.The beneficial effect is that: step deflection test tool structure of the invention is simple, designs the equipment using modular combination, and standardized production is conveniently adjusted and installs, and has good versatility and convenience.
Description
Technical field
The present invention relates to step the field of test technology, and in particular to a kind of step deflection test tooling.
Background technique
Step is the circular flow on moving staircase girders, the component stood for passenger.These steps generally by pedal, kick
The parts assembling combinations such as plate, support, sprocket shaft, step tugboat, ladder sprocket wheel form.Existing step test equipment to step into
Row flexure test is trampled on step by simulating people, and testing out step can generate under the action of worst environment is exerted oneself
How much deformation or failure.It is required according to relevant criterion, step needs to complete the test of various ways, corresponding different test method
Step mounting means may be different, but structure is complicated for existing step test equipment, and installation is inconvenient, test far from step is met
Related request.
Summary of the invention
It the purpose of the invention is to overcome above the shortcomings of the prior art, provides a kind of structurally reasonable, is convenient for
Adjustment and installation, the step deflection test tooling with good versatility and convenience.
The purpose of the present invention is realized by the following technical solution: a kind of step deflection test tooling, including workbench, folder
Hold mechanism, supporting mechanism, Test driver mechanism, sensor and step pressure head portion；The supporting mechanism is installed on the upper of workbench
End face, the Test driver mechanism are installed on supporting mechanism, and the sensor is installed on the output end of Test driver mechanism, described
Clamping device is installed on the upper surface of workbench, this clamping device includes closing for limiting step portion, step pressure head portion
Nodal axisn bearing sleeve and last item, the joint shaft bearing sleeve are connect with the output end of Test driver mechanism, one end and joint of the last item
Bearing holder (housing, cover) connection, the other end of the last item are connect with clamping device, and the sensor is connect with last item.
Further, the clamping device includes holding frame and clamping component；Two holding frames are mounted slidably
In on the workbench, the clamping component is installed on two holding frames, and the last item is connect with clamping component；Pass through the folder
It holds frame and clamping component limits step portion jointly.
Further, the holding frame includes bottom supporting layer, column and first crossbeam；The bottom supporting layer is slideably set
It sets on the table, two root posts are opposite to be installed on the supporting layer of bottom, and the both ends of the first crossbeam connect with two root posts respectively
It connects；The clamping component includes the first chain rivet positioning seat, hinged seat, bridle and actuating lever；The first of two holding frames
Crossbeam is mounted on the first chain rivet positioning seat, and the bottom supporting layer of two holding frames is mounted on hinged seat, the bridle
It is connect with one of hinged seat, the actuating lever is connect with another hinged seat, and the other end and actuating lever of the last item connect
It connects；Step portion is limited jointly by the first chain rivet positioning seat, bridle and actuating lever.
Further, the bridle includes the first axle sleeve, restraint arm and the second axle sleeve, first axle sleeve and the second axis
Set is respectively arranged in the both ends of restraint arm, and first axle sleeve is connect with one of hinged seat, second axle sleeve and step
Component connection.
Further, the actuating lever include third axle sleeve, the first actuator arm, the second actuator arm, the first oscillating bearing and
Second joint bearing；The third axle sleeve is connect by the first actuator arm with the first oscillating bearing, and first oscillating bearing is logical
The second actuator arm is crossed to connect with second joint bearing；The third axle sleeve is connect with another hinged seat, first joint shaft
It holds and is connect with step portion, the second joint bearing is connect with last item；Between first actuator arm and the second actuator arm
Angle is 150 °.
Further, the holding frame includes bottom supporting layer, column and first crossbeam；The bottom supporting layer is slideably set
It sets on the table, two root posts are opposite to be installed on the supporting layer of bottom, and the both ends of the first crossbeam connect with two root posts respectively
It connects；The clamping component includes second cross beam, rocker arm, the second chain rivet positioning seat, wedge lock part, the first support roller mounting, and second
Support roller mounting and sliding rail；The bottom supporting layer of two holding frames is mounted on the first support roller mounting, and the two of the second cross beam
End is connect with two columns of one of holding frame, and the second cross beam is located at the top of the first crossbeam of this holding frame, institute
It states wedge lock part and is installed on second cross beam, second supporting roller base sets up the first crossbeam being placed in below the second cross beam
On, the sliding rail is set on a column of the holding frame for being equipped with second cross beam, and the second chain rivet positioning seat is set to separately
On the column of one holding frame, one end of the rocker arm is connect with the second support roller mounting, the other end of the rocker arm and last item it is another
One end connection, and the periphery of the other end of the rocker arm is contacted with sliding rail；Pass through the rocker arm, the second chain rivet positioning seat, wedge shape
Locking member, the first support roller mounting, the second support roller mounting limit step portion jointly.
Further, the rocker arm includes auxiliary wheel, first connecting rod, the second chain axle sleeve, second connecting rod and fixing joint
Bearing；The auxiliary wheel is mounted on one end of first connecting rod, and the second chain axle sleeve is installed on the other end of first connecting rod, institute
It states fixing joint bearing to connect by second connecting rod with the outside of the second chain axle sleeve, the auxiliary wheel is embedded at the second supporting roller base
In frame, the last item is connect with fixing joint bearing, and the outer surface of the fixing joint bearing is contacted with sliding rail, second chain
Axle sleeve is connect with step portion；Angle between the first connecting rod and second connecting rod is 70 ° -95 °.
Further, the second chain rivet positioning seat includes fixing seat, chain rivet regulating part, chain rivet locating rod and snap-gauge；Institute
The one side that two snap-gauges are arranged at intervals at fixing seat is stated, there is accommodation space, the chain rivet positioning between two snap-gauges
Bar is located in accommodation space, and the both ends of chain rivet locating rod extend through two snap-gauge connections, the chain rivet regulating part and chain rivet
Locating rod connection, to lock chain rivet locating rod.
Further, the supporting mechanism includes support column and lifting assembly；Width of two support columns along workbench
Degree direction is oppositely arranged, and the both ends of the lifting assembly are socketed with two support columns respectively, and can be moved up and down along support column, institute
It states Test driver mechanism and is installed on lifting assembly.
It further, further include fixed bottom plate；The fixed bottom plate is slidably mounted on workbench, the clamping machine
Structure is slidably mounted on the fixed bottom plate.
The present invention has the following advantages compared with the prior art:
1, clamping device is for limiting step portion in the present invention, and supporting mechanism can drive mechanism for testing oscilaltion, just
In mounting and adjusting step portion, step pressure head portion is driven to move up and down to complete to step portion by Test driver mechanism
It tests, each component in the present invention is designed using modular combination, can be conveniently adjusted and be installed, be facilitated with standardized production
Reduce the manufacturing cost of equipment.Step pressure head portion of the invention includes joint shaft bearing sleeve and last item, is connect by last item with step,
To complete to test out how much deformation can be generated under the action of pressurizeing stress for step to step flexure test, whether determine step
It is easy to operate within the scope of product tolerance, increase the versatility and convenience of the equipment.
2, design is there are many clamping device in the present invention, and versatility is high between each clamping device, can meet step portion
Multiple mounting modes improve testing efficiency to meet different testing requirements, reduce equipment cost for enterprise.
3, the present invention has rational design, easy to disassemble, such as: wedge lock part uses the design of eccentric clamp system, tool
There is self-locking property, T-shaped fixture block can be made to be clamped in T-slot, so that positioning steps up convenient and efficient, time saving and energy saving, positioning can
It leans on.The depth of the first adjustable location hole of chain rivet positioning seat in the present invention, convenient for clamping the sprocket shaft of step portion.This hair
Fixation bottom plate in bright can be slided in the upper surface of workbench, step portion easy to remove；Bottom beam in the present invention can be in fixation
It is moved on bottom plate, can quickly adjust the distance between two holding frames, easy disassembly step portion.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the step deflection test tooling of embodiment according to the present invention 1；
Fig. 2 shows the structural schematic diagrams of clamping device and the first step portion in embodiment according to the present invention 1；
Fig. 3 shows the structural schematic diagram of the first step portion in embodiment according to the present invention 1；
Fig. 4 shows the structural schematic diagram of the joint shaft bearing sleeve in embodiment according to the present invention 1；
Fig. 5 shows the structural schematic diagram of the last item in embodiment according to the present invention 1；
Fig. 6 shows the structural schematic diagram of the column in embodiment according to the present invention 1；
Fig. 7 shows the structural schematic diagram of the first crossbeam in embodiment according to the present invention 1；
Fig. 8 shows the structural schematic diagram of the bottom beam in embodiment according to the present invention 1；
Fig. 9 shows the structural schematic diagram of the fixation bottom plate in embodiment according to the present invention 1；
Figure 10 shows the structural schematic diagram of the limitation bar in embodiment according to the present invention 1；
Figure 11 shows the structural schematic diagram of the actuating lever in embodiment according to the present invention 1；
Figure 12 shows the structural representation of the first angle of the first chain rivet positioning seat in embodiment according to the present invention 1
Figure；
Figure 13 shows the structural representation of the second angle of the first chain rivet positioning seat in embodiment according to the present invention 1
Figure；
Figure 14 shows the flow diagram of the control system of embodiment according to the present invention 1；
Figure 15 shows the structural schematic diagram of the step deflection test tooling of embodiment according to the present invention 2；
Figure 16 shows the side view of Figure 15；
Figure 17 shows the structural schematic diagrams of the clamping device in embodiment according to the present invention 2；
Figure 18 shows the structural schematic diagram of the second step portion in embodiment according to the present invention 2；
Figure 19 shows the structural schematic diagram of the first angle of the wedge lock part in embodiment according to the present invention 2；
Figure 20 shows the structural schematic diagram of the second angle of the wedge lock part in embodiment according to the present invention 2；
Figure 21 shows the structural schematic diagram of the rocker arm in embodiment according to the present invention 2；
Figure 22 shows the structural schematic diagram of the second chain rivet positioning seat in embodiment according to the present invention 2；
Figure 23 shows the structural schematic diagram of the first support roller mounting in embodiment according to the present invention 2；
Figure 24 shows the structural schematic diagram of sliding rail in embodiment according to the present invention 2；
In figure, 1 is workbench；101 be second sliding slot；102 be third sliding slot；2 be sensor；3 be step pressure head portion；
301 be joint shaft bearing sleeve；3011 be body；3012 be open end；302 be last item；3021 be first end；3022 be second end；4
For column；401 be the first groove；402 be short slot；403 be heel brace seat；404 be heel brace seat gripping block；5 be bottom beam；501 be
Two grooves；6 be the first chain rivet positioning seat；601 be positioning pedestal；602 be the first chain axle sleeve；603 be lid；604 be bearing；
605 be bolt；606 be nut；7 be hinged seat；8 be bridle；801 be the first axle sleeve；802 are limited swing arm；803 be the second axis
Set；9 be actuating lever；901 be third axle sleeve；902 be the first actuator arm；903 be the second actuator arm；904 be the first oscillating bearing；
905 be second joint bearing；10 be second cross beam；11 be rocker arm；1101 be auxiliary wheel；1102 be first connecting rod；1103 are
Second chain axle sleeve；1104 be second connecting rod；1105 be fixing joint bearing；12 be the second chain rivet positioning seat；1201 be fixing seat；
1202 be chain rivet regulating part；1203 be chain rivet locating rod；1204 be snap-gauge；13 be wedge lock part；1301 be wedge block；1302
For handle；1303 be eccentric bushing；1304 be eccentric wheel；1305 be eccentric shaft；1306 be screw rod；1307 be fixture block；14 be first
Support roller mounting；1401 be locating rack；1402 be bracket；15 be sliding rail；16 be support column；17 be lifting cover for seat；18 be lifting oil
Cylinder；19 be clamping cylinder；20 be first crossbeam；2001 be first sliding groove；21 be fixed bottom plate；2101 be the 4th sliding slot；2102
For the 5th sliding slot；22 be the first step portion；2201 be the first step chain rivet；2202 be the first step tugboat axis；23 be second
Step portion；2301 be chain pin semiaxis；2302 be the second step chains axle sleeve；2303 be the second step tugboat；24 be the second support roller
Mounting；25 be servo actuator.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1:
A kind of step deflection test tooling as shown in Fig. 1-Figure 14, including workbench 1, clamping device, supporting mechanism, survey
Try driving mechanism, sensor 2 and step pressure head portion 3；The supporting mechanism is installed on the upper surface of workbench 1, and the test is driven
Motivation structure is installed on supporting mechanism, and the sensor 2 is installed on the output end of Test driver mechanism, and the clamping device is installed on
The upper surface of workbench 1, this clamping device include 301 He of joint shaft bearing sleeve for limiting step portion, step pressure head portion 3
Last item 302, the joint shaft bearing sleeve 301 are connect with the output end of Test driver mechanism, one end of the last item 302 and joint shaft
Bearing sleeve 301 connects, and the other end of the last item 302 is connect with clamping device, and the sensor 2 is connect with last item 302.
As shown in Figure 4 and Figure 5, joint shaft bearing sleeve 301 includes body 3011, open end 3012 and spiro rod section, oscillating bearing
Set 301 is connect by spiro rod section with the output end of Test driver mechanism；Last item 302 has first end 3021 and second end 3022,
The first end 3021 of last item 302 protrudes into the body 3011 of joint shaft bearing sleeve 301, using bolt by the open end of body 3011
3012 lockings, so that the first end 3021 of last item 302 is fixedly connected with joint shaft bearing sleeve 301；The second end 3022 of last item 302 with
Clamping device connection.Clamping device limits step portion, and Test driver mechanism, which is applied by last item 302 to step portion, to be carried
Lotus, with detect step portion generation deformation whether within the specified scope.
As shown in Fig. 2, the clamping device includes holding frame and clamping component；Two holding frames are mounted slidably
In on the workbench 1, the clamping component is installed on two holding frames, and the last item 302 is connect with clamping component；Pass through institute
It states holding frame and clamping component limits step portion jointly.
The holding frame includes bottom supporting layer, column 4 and first crossbeam 20；The bottom supporting layer is slidably disposed on work
Make on platform 1, two root posts 4 are opposite to be installed on the supporting layer of bottom, and the both ends of the first crossbeam 20 connect with two root posts 4 respectively
It connects；The clamping component includes the first chain rivet positioning seat 6, hinged seat 7, bridle 8 and actuating lever 9；Two holding frames
First crossbeam 20 is mounted on the first chain rivet positioning seat 6, and the bottom supporting layer of two holding frames is mounted on hinged seat 7, institute
It states bridle 8 to connect with one of hinged seat 7, the actuating lever 9 is connect with another hinged seat 7, the last item 302 and cause
Lever 9 connects；Step portion is limited jointly by the first chain rivet positioning seat 6, bridle 8 and actuating lever 9, to complete corresponding ladder
Grade test.
As shown in Figure 6 and Figure 7, the column 4 is provided with the first groove 401 along its length, first groove 401
Slot bottom is provided with multiple short slots 402, and the first crossbeam 20 is provided with first sliding groove 2001 along its length, wherein the height of column 4
Degree is 750mm, and the length of first crossbeam 20 is 430mm, and first crossbeam 20 may be mounted in different short slots 402, to become
Change installation site.The installation site for changing first crossbeam by the requirement that this setting can be tested according to step, to improve this dress
The applicability set.
The heel brace seat gripping block 404 for further including heel brace seat 403 and being matched therewith, the column 4 pass through 403 He of heel brace seat
Heel brace seat gripping block 404 is fixed on bottom beam 5.This setting can the present apparatus fastness.
As shown in figure 8, the bottom supporting layer includes at least one bottom beam 5, bottom beam 5 is provided with T-shaped along its length
Second groove 501, the bottom of the second groove 501 are provided with bolt hole, and T-bolt is provided in bolt hole, and bottom beam 501 passes through T-type
Bolt horizontal sliding on fixed bottom plate 21, and be fixed on fixed bottom plate 21 by T-bolt.
As shown in Fig. 1 and Fig. 9, in order to improve the versatility and convenience of the present apparatus, between workbench 1 and holding frame also
It is provided with fixed bottom plate 21；The fixed bottom plate 21 is located on workbench 1, and the clamping device is set to the fixed bottom plate
21, and can be with the fixed bottom plate 21 relative to the horizontal sliding of the workbench 1.Specifically, the upper surface setting of workbench 1 is more
Bar second sliding slot 101 of genesis analysis and the third sliding slot 102 of a plurality of cross direction profiles vertical with second sliding slot 101, fixed bottom
Plate 21 is smoothly moved along second sliding slot 101 and third sliding slot 102 relative to driving water.Wherein second sliding slot 101 and third sliding slot
102 is in T shape, and the bottom face of fixed bottom plate 21 is equipped with T-bolt, the tommyhead bolt can be locked in second sliding slot 101 or
In third sliding slot 102, bottom plate 21 will be fixed and be fixed on workbench 1, it can also be along second sliding slot 101 or third sliding slot 102
The horizontal sliding of the workbench 1 relatively, to drive the horizontal sliding of fixed bottom plate 21.By the way that T-bolt, second sliding slot 101 is arranged
It is conveniently adjusted the integral position of the opposite workbench 1 of fixed bottom plate 21 with third sliding slot 102, facilitates installation, remove step portion, have
Help improve the efficiency of step test.Certainly, slide rail mould group can also be arranged in the lower section of workbench 1 to be driven, is not required to
Artificial moving operation is wanted, movement is fully automated, quickly adjusts the integral position of clamping device.
In order to further enhance the versatility and convenience of the device, the nimble property of the holding frame, the fixed bottom are improved
Plate 21 be equipped with a plurality of genesis analysis the 4th sliding slot 2101 and with the 4th sliding slot 2101 it is perpendicular be transversely distributed it is a plurality of
5th sliding slot 2102；The bottom beam 5 of holding frame can be along the 4th sliding slot 2101 and the relatively described fixed bottom plate of the 5th sliding slot 2102
21 horizontal slidings.By adjusting two holding frames in the position on fixed bottom plate 21 and the spacing between holding frame, it is convenient for step
Component Fast Installation clamps or is quickly moved out step portion.This setting structure is simple, easy to operate, effectively improves test effect
Rate.
As shown in Figure 10, the bridle 8 include the first axle sleeve 801, restraint arm 802 and the second axle sleeve 803, described first
Axle sleeve 801 and the second axle sleeve 803 are respectively arranged in the both ends of restraint arm 802, first axle sleeve 801 and one of hinged seat
7 connections, second axle sleeve 803 are connect with step portion.
As shown in figure 11, the actuating lever 9 includes third axle sleeve 901, the first actuator arm 902, the second actuator arm 903, the
One oscillating bearing 904 and second joint bearing 905；The third axle sleeve 901 passes through the first actuator arm 902 and the first oscillating bearing
904 connections, first oscillating bearing 904 are connect by the second actuator arm 903 with second joint bearing 905；The third axis
Set 901 is connect with another hinged seat 7, and first oscillating bearing 904 is connect with step portion, the second joint bearing
905 connect with last item 302；Angle between first actuator arm 902 and the second actuator arm 903 is 150 °.
As shown in Figure 12 and Figure 13, the first chain rivet positioning seat 6 includes positioning pedestal 601, the first chain axle sleeve 602, lid
Body 603, locating piece and bearing 604；According to test needs, one end of the positioning pedestal 601 is mounted on first crossbeam 20 or vertical
On column 4 or bottom beam 5, the other end of the positioning pedestal 601 is provided with location hole, and the lid 603 is closed in the one of location hole and opens
Mouth end, the bearing 604 are installed in location hole, and the first chain axle sleeve 602 is installed in bearing 604, the locating piece peace
Loaded on lid 603, and the locating piece is located in the first chain axle sleeve 602 at least partially across after lid 603.
The locating piece includes bolt 605 and nut 606；The nut 606 is fixed on lid 603, the bolt 605 with
Nut 606 passes through lid 603 after being threadedly coupled and is located in the first chain axle sleeve 602.By changing 606 precession the first chain axle sleeve of nut
602 length limits the depth of the first chain axle sleeve 602, thus control the length that step chains wheel shaft is caught in the first chain axle sleeve 602,
When two holding frames are oppositely arranged, the sprocket shaft of step portion two sides is respectively protruding into corresponding first chain axle sleeve 602, thus
The sprocket shaft of step portion is fixed.Bolt hole is provided on one end of positioning pedestal 601, positioning pedestal 601 is installed by bolt
On first crossbeam 20 or column 4 or bottom beam 5.
As shown in Figure 1, the supporting mechanism includes support column 16 and lifting assembly；Two support columns 16 are along workbench
1 width direction is oppositely arranged, and the both ends of the lifting assembly are socketed with two support columns 16 respectively, and can be along support column 1
Lower movement, the Test driver mechanism are installed on lifting assembly, and lifting assembly is used to adjust the height of Test driver mechanism.
The lifting assembly packet lifting block set 17, lifting cylinder 18 and clamping cylinder 19；The middle part of the lifting block set 17
It is provided with mounting hole, the servo actuator 25 in Test driver mechanism is installed on lifting block set 17, and the output of servo actuator 25
End is across the mounting hole and extends downwardly, and the both ends of the lifting block set 17 are provided with locking hole, and the lifting block set 17 is logical
Locking hole to be crossed to be socketed with two support columns 16 respectively, two lifting cylinders 18 are oppositely arranged along the width direction of workbench 1,
Both ends of the telescopic rod of two lifting cylinders 18 respectively with lifting block set 17 are correspondingly connected with, and the clamping cylinder 19 is pacified respectively
Both ends loaded on lifting block set 17, the telescopic rod of the clamping cylinder 19 protrude into corresponding locking hole.In lifting cylinder
Under the action of 18, lifting block set 17 is slided up and down along the length direction of support column 16, to adjust lifting cover for seat 17 and servo actuation
Height of the device 25 relative to the workbench 1, facilitates installation holding frame.When lifting block set 17 is in suitable height, clamp
The telescopic rod of oil cylinder 19 resists support column 16, so that lifting block set 17 is locked on the support columns.By the way that lifting group is arranged
Part increases the versatility, stability and convenience of the present apparatus convenient for the height of adjusting Test driver mechanism, improves test effect
Rate.
The Test driver mechanism includes servo actuator 25, and wherein sensor 2 includes displacement sensor and pressure sensing
Device, the servo actuator 25 be installed on lifting cover for seat 17, and follow lifting cover for seat 17 move up and down, institute's displacement sensors and
Pressure sensor is mounted on servo actuator 25, the servo actuator 25, displacement sensor and pressure sensor with control
System connection processed.
As shown in Fig. 1 and Figure 14, this test fixture further includes control system, and control system includes computer, SERVO CONTROL
Device, servo valve and high-pressure oil pump；Institute's displacement sensors, pressure sensor and computer are connect with servo controller, described
High-pressure oil pump and servo controller pass through servo valve and connect with servo actuator 25.High-pressure oil pump is made by servo valve to servo
Dynamic device 25 provides high-voltage oil liquid；Servo controller receives the instruction of computer, by displacement sensor on servo actuator 25
Or the signal of pressure sensor feedback is calculated and is handled, and exports control signal to servo valve, control servo actuator 25 is pressed
Output displacement or power are required according to instruction.The motion end of servo actuator 25 installs step pressure head portion, and step pressure head portion, which follows, to be watched
The up and down motion of actuator 25 is taken, to apply load to step portion, to complete to test.
When specifically used: as depicted in figs. 1 and 2, the clamping component includes the first chain rivet positioning seat 6 and hinged seat 7.The
One chain rivet positioning seat 6 is mounted on the upper surface of first crossbeam 20；Hinged seat 7 is mounted on the bottom beam 5 for not installing column 4；Wherein,
The step deflection test tooling is equipped with to be hinged and can the bridle 8 that swings up and down of opposite workbench 1 with hinged seat 7；And
It is hinged with another hinged seat 7 and can the actuating lever 9 that swings up and down of opposite workbench 1；Pass through two the first chain rivet positioning seats 6
The first step portion 22 is fixed to clamp jointly and the first step portion 22 is fixed in limitation jointly by bridle 8 and actuating lever 9；
Step pressure head portion 3 includes the joint shaft bearing sleeve 301 being connected with sensor and is sheathed in the joint shaft bearing sleeve 301
Last item 302；The second end 3022 of the last item 302 matches socket with the second joint bearing 905.Specifically, passing through tune
The position for saving between two holding frames relatively fixed bottom plate 21, by by two the first chain rivet positioning seats 6 respectively with the first step
The first step chain rivet 2201 at 22 both ends of component connects, above and below the axis of the opposite first chain rivet positioning seat of 22 energy of the first step portion
Freely swing.Then by swinging bridle 8 and actuating lever 9, by one end of the other end of bridle 8 and the first step portion 22
The first step tugboat axis 2202 connection；By the other end of the first oscillating bearing 904 of actuating lever 9 and the first step portion 22
The connection of first step tugboat axis 2202.It is locked in this way, the first step portion 22 is fixed between two holding frames,
The pedal surface level of the first step portion 22 is upward at this time；The pedal surface of first step portion 22 and the axis of bridle 8
Between angle be 60 degree.In addition, step pressure head portion 3 is connect with the second joint bearing 905, computer drives servo is utilized
Actuator 25 and step pressure head portion 6 move up and down, in the first step tugboat axis 2202 of the other end of the first step portion 22
One power of upper application, makes sensor 2 test out the amount of deflection of the first step tugboat axis 2202 of the first step portion 22, it is therefore an objective to examine
The deformation displacement of the first step tugboat axis 2202 generation of the first step portion 22 is tested whether within the scope of product tolerance, it is ensured that
Any part of step frame does not allow cracked, and the range of restriction is not to be exceeded in abrasion or abrasion at contact surface.
Step deflection test tooling of the invention by by clamping device, supporting mechanism, Test driver mechanism, sensor and
It in 3 central combination to workbench 1 of step pressure head portion, is designed using modular combination, can be conveniently adjusted and pacify with standardized production
Dress facilitates the manufacturing cost for reducing equipment.Meanwhile step portion is fixed and is clamped using clamping device, pass through survey
Examination driving mechanism, sensor 2 and step pressure head portion 3 quickly make sensor 2 test out step portion step portion pressurization stress
Amount of deflection and force value, to complete to step flexure test, test out step portion can be generated under the action of pressurizeing stress how much
Deformation, determines whether step portion is located in the safe range of tolerance permission.Present apparatus structure is simple, easy to operate, and has
There are higher versatility and convenience.
Embodiment 2:
The present embodiment is in addition to following technical characteristic with embodiment 1:
As shown in Figure 15-23, the holding frame includes bottom supporting layer, column 4 and first crossbeam 20；The bottom supporting layer can
It is slidably arranged on workbench 1, two root posts 4 are opposite to be installed on the supporting layer of bottom, the both ends difference of the first crossbeam 20
It is connect with two root posts 4；The clamping component includes second cross beam 10, rocker arm 11, the second chain rivet positioning seat 12, wedge lock part
13, the first support roller mounting 14, the second support roller mounting 24 and sliding rail 15；The bottom supporting layer of two holding frames is mounted on first
Support roller mounting 14, the both ends of the second cross beam 10 are connect with two columns 4 of one of holding frame, the second cross beam 10
Positioned at the top of the first crossbeam 20 of this holding frame, the wedge lock part 13 is installed on second cross beam 10, second support roller
Mounting 24 is set on the first crossbeam 20 of 10 lower section of second cross beam, and the sliding rail 15, which is set to, is equipped with second cross beam 20
Holding frame a column 4 on, the second chain rivet positioning seat 12 is set on the column 4 of another holding frame, the rocker arm 11
One end connect with the second support roller mounting 24, the other end of the rocker arm 11 is connect with last item 302, and the rocker arm 11 is another
The periphery at end is contacted with sliding rail 15；Pass through the rocker arm 11, the second chain rivet positioning seat 12, wedge lock part 13, the first supporting roller base
Frame 14, the second support roller mounting 24 limit step portion jointly.
As shown in Figure 19-Figure 20, the wedge lock part 13 includes wedge block 1301, latch segment, eccentric rotary components and hand
Handle 1302；The opening that the wedge block 1301 has accommodating chamber and is connected to this accommodating chamber, the eccentric rotary components rotational installation
In accommodating chamber, latch segment is located at the top of opening, and one end of the latch segment is connect after passing through opening with eccentric rotary components, institute
It states handle 1302 to be located on the outside of wedge block, one end of the handle 1302 is connect with eccentric rotary components, and the wedge block 1301 is logical
Cross the connection of latch segment second cross beam 10.
The eccentric rotary components include eccentric bushing 1303, eccentric wheel 1304 and eccentric shaft 1305；1305 turns of the eccentric shaft
Dynamic to be installed in accommodating chamber, the eccentric wheel 1304 is installed on eccentric shaft 1305, and the eccentric bushing 1303 is sheathed on eccentric wheel
1304 periphery, one end of the latch segment connects after passing through opening with eccentric bushing 1303, one end of the handle 1302 with it is inclined
Mandrel 1305 connects.
The latch segment includes screw rod 1306 and fixture block 1307 in T shape, and the fixture block 1307 is located at the top of opening,
One end of the screw rod 1306 is connect with fixture block 1307, and the other end of the screw rod 1306 connects after passing through opening with eccentric bushing 1303
It connects, the wedge block 1301 passes through 1307 second cross beam 10 of fixture block.Wherein, the structure phase of second cross beam 10 and first crossbeam 20
Together.Such as: in the first sliding groove that fixture block 1307 slides into second cross beam 10, wedge block 1301 is as fixture block 1307 is along second cross beam
10 first sliding groove sliding, when needing locking positioning, stir handle 1302 so that eccentric shaft 1305, eccentric wheel 1304 and partially
Heart set 1303 rotates synchronously an angle, and fixture block 1307 changes its height for stretching out opening, so that the inner wall with first sliding groove pastes
Tightly, so that wedge block 1301 is clamped on crossbeam.Eccentric rotary components in this locking assembly are eccentric clamp system, are had certainly
Performance is locked, thus after fixture block 1307 and the inner groove surface of T-slot clamp, in the case where no external force rotational handle 1302, card
Block 1307 will not loosen, it is ensured that wedge block 1301 is capable of fixing on second cross beam.
It further include locating part and caging bolt, the locating part is located in the accommodating chamber of wedge block 1301, the locating part
One end connect with eccentric shaft 1305, caging bolt is arranged at intervals on the outside of eccentric wheel 1304, the other end of the locating part
Between two caging bolts.The distance between two caging bolts and the size of opening match, locating part and caging bolt
It matches, when preventing handle from driving eccentric shaft turns, the amplitude of oscillation is excessive, damages screw rod 1306.
As shown in figure 21, the rocker arm 11 includes auxiliary wheel 1101, first connecting rod 1102, the second chain axle sleeve 1103, the
Two connecting rods 1104 and fixing joint bearing 1105；The auxiliary wheel 1101 is mounted on one end of first connecting rod 1102, and described
Two chain axle sleeves 1103 are installed on the other end of first connecting rod 1102, the fixing joint bearing 1105 by second connecting rod 1104 with
The outside of second chain axle sleeve 1103 connects, and the auxiliary wheel 1101 is embedded in the second support roller mounting 24, the last item 302 with
Fixing joint bearing 1105 connects, and the outer surface of the fixing joint bearing 1105 is contacted with sliding rail 15, the second chain axle sleeve
1103 connect with the second step portion 23；Angle between the first connecting rod and second connecting rod is 70 ° -95 °.
Sliding rail 15 is mounted on a column 4 of the holding frame for being equipped with second cross beam 20, and close to wedge lock part 13, sliding
Iron 15 is matched with wedge lock part 13, carries out limition orientation to fixing joint bearing 1105 jointly.In actual use, fixed
Oscillating bearing 1105 need it is vertically moving, so sliding rail 15 is installed on column 4, so that providing a plane allows fixation
Oscillating bearing 1105 moves.
As shown in figure 22, the second chain rivet positioning seat 12 includes fixing seat 1201, chain rivet regulating part 1202, chain rivet positioning
Bar 1203 and snap-gauge 1204；Two snap-gauges 1204 are arranged at intervals at the one side of fixing seat 1201, two snap-gauges
There is accommodation space, the chain rivet locating rod 1203 is located in accommodation space, and the both ends of chain rivet locating rod 1203 between 1204
It extends through two snap-gauges 1204 to connect, the chain rivet regulating part 1202 is clamped with chain rivet locating rod 1203, fixed to lock chain rivet
Position bar 1203.When specific operation, chain rivet locating rod 1203 is taken out from two snap-gauges 1204, the second step chains axle sleeve 2302 is put
It is placed between two snap-gauges 1204, then chain rivet locating rod 1203 is penetrated, is positioned chain rivet by stirring chain rivet adjusting rod 1202
Rod lock makes it not rotate, and the second step chains axle sleeve 2302 is limited between two snap-gauges 1204 at this time, can be with chain
Axis locating rod 1203 is axis rotation.
First support roller mounting 14 is identical as the structure of the second support roller mounting 24, and the first support roller mounting 14 includes locating rack 1401
With bracket 1402, be provided with mounting hole on locating rack 1401, by locating rack 1401 by support roller mounting be fixed on first crossbeam 20 or
On bottom beam 5, whole bracket 1402 is in concave shape, convenient for chimeric second step tugboat 2303 and auxiliary wheel 1101, in order to more preferable
Ground is matched with step portion, and bracket 1402 has 30 ° of angle with horizontal direction.
When specifically used: as shown in Figure 15-Figure 17, two the first support roller mountings 14 are mounted on two not connected columns 4
On bottom beam 5；One of holding frame is equipped with second cross beam 10, this second cross beam 10 is located at 20 top of first crossbeam；Wedge shape
Locking member 13 is set on second cross beam 10；Second support roller mounting 24 is arranged on the first crossbeam 20 below second cross beam 10；It is sliding
Iron 15 is set on a column 4 of the holding frame with second cross beam 10；Second chain rivet positioning seat 12 is installed on another holding frame
On column 4；Step pressure head portion 3 includes the joint shaft bearing sleeve 301 being connected with the sensor 2 and is sheathed on the joint
Last item 302 in bearing holder (housing, cover) 301；One end of the last item 302 matches socket with the fixing joint bearing 1105.Specifically
, by adjusting the position of relatively fixed bottom plate 21 between two holding frames, by by the second of 23 both ends of the second step portion
Step tugboat 2303 is embedded in respectively in two the first support roller mountings 14；The first support roller mounting 14 is oblique with 30 degree
Face, and the second step tugboat 2303 is embedded in the first support roller mounting 14, the second step tugboat 2303 of limitation can only along with Horizon
The planar movement that 30 degree of face cannot move up and down.Using the second chain rivet positioning seat 12 as chain sleeve block, to the second step portion
The second step chains axle sleeve 2302 on 23 one end is fixed, and allows the second step portion 23 along axis radial rotating, cannot
Axial movement.(chain rivet locating rod 1203 is taken out, by the second step chains axle sleeve 2302 as between two snap-gauges 1204, then will
Chain rivet locating rod 1203 penetrates, and by adjusting the chain rivet regulating part 1202, chain rivet locating rod 1203 is locked, thus to the second ladder
The second step chains axle sleeve 2302 on one end of grade component 23 is fixed.) using chain rivet locating rod 1203 as an imaginary axis, mould
The step chain rivet of quasi- second step portion 23.Then wedge lock part 13 is adjusted, then by the second chain axle sleeve 1103 on rocker arm 11
It is connect with the chain pin semiaxis 2301 of the other end of the second step portion 23, which is equally used as an imaginary axis, mould
The step chain rivet of quasi- second step portion.Then auxiliary wheel 1101 is embedded in the second support roller mounting 24, it is fixed to close
Bearings 1105 are connect with the last item 302 in step pressure head portion 3, the outer surface of fixing joint bearing 1105 simultaneously with sliding rail 15 and wedge
Shape locking member 13 is in contact (sliding rail 15 and wedge lock part 13 are for limiting the motion path of fixing joint bearing 1105).Pass through
It is locked in this way, the second step portion 23 is fixed between two holding frames, at this time the pedal table of the second step portion 23
Face level is upward.It is moved up and down using computer drives servo actuator 25 and step pressure head portion 3, in step pressure head portion 3 to shaking
Arm vertically applies a reciprocating force, which is close to the facade of sliding rail 15 or more because of the fixing joint bearing 1105 of rocker arm 11
It is mobile, in the effect of 11 component of rocker arm, make 30 degree inclined surface inclination movements of the auxiliary wheel 1101 along the second support roller mounting 24, into
And make sensor 2 test out the second step portion 23 step chain rivet amount of deflection, it is therefore an objective to examine the ladder of the second step portion 23
Grade chain rivet is in one 30 degree of inclined-plane, and whether the deformation displacement born in each direction is within the scope of product tolerance, really
Protecting step frame any part does not allow cracked, and the range of restriction is not to be exceeded in abrasion or abrasion at contact surface.
Above-mentioned specific embodiment is the preferred embodiment of the present invention, can not be limited the invention, and others are appointed
The change or other equivalent substitute modes what is made without departing from technical solution of the present invention, are included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of step deflection test tooling, it is characterised in that: including workbench, clamping device, supporting mechanism, Test driver machine
Structure, sensor and step pressure head portion；The supporting mechanism is installed on the upper surface of workbench, and the Test driver mechanism is installed on
Supporting mechanism, the sensor are installed on the output end of Test driver mechanism, and the clamping device is installed on the upper end of workbench
Face, for this clamping device for limiting step portion, step pressure head portion includes joint shaft bearing sleeve and last item, the oscillating bearing
Set is connect with the output end of Test driver mechanism, and one end of the last item is connect with joint shaft bearing sleeve, the other end of the last item
It is connect with clamping device, the sensor is connect with last item.
2. step deflection test tooling according to claim 1, it is characterised in that: the clamping device include holding frame and
Clamping component；Two holding frames are slidably disposed on the workbench, and the clamping component is installed on two clampings
Frame, the last item are connect with clamping component；Step portion is limited jointly by the holding frame and clamping component.
3. step deflection test tooling according to claim 2, it is characterised in that: the holding frame include bottom supporting layer,
Column and first crossbeam；The bottom supporting layer is slidably disposed on workbench, and two root posts are opposite to be installed on bottom supporting layer
On, the both ends of the first crossbeam are connect with two root posts respectively；The clamping component includes the first chain rivet positioning seat, hinged
Seat, bridle and actuating lever；The first crossbeam of two holding frames is mounted on the first chain rivet positioning seat, two clampings
The bottom supporting layer of frame is mounted on hinged seat, and the bridle is connect with one of hinged seat, the actuating lever and another
Hinged seat connection, the other end of the last item are connect with actuating lever.
4. step deflection test tooling according to claim 3, it is characterised in that: the bridle include the first axle sleeve,
Restraint arm and the second axle sleeve, first axle sleeve and the second axle sleeve are respectively arranged in the both ends of restraint arm, first axle sleeve with
One of hinged seat connection, second axle sleeve are connect with step portion.
5. step deflection test tooling according to claim 3, it is characterised in that: the actuating lever include third axle sleeve,
First actuator arm, the second actuator arm, the first oscillating bearing and second joint bearing；The third axle sleeve by the first actuator arm with
The connection of first oscillating bearing, first oscillating bearing are connect by the second actuator arm with second joint bearing；The third axis
Set is connect with another hinged seat, and first oscillating bearing is connect with step portion, the second joint bearing and last item
Other end connection.
6. step deflection test tooling according to claim 3, it is characterised in that: the holding frame include bottom supporting layer,
Column and first crossbeam；The bottom supporting layer is slidably disposed on workbench, and two root posts are opposite to be installed on bottom supporting layer
On, the both ends of the first crossbeam are connect with two root posts respectively；The clamping component includes second cross beam, rocker arm, the second chain
Axis positioning seat, wedge lock part, the first support roller mounting, the second support roller mounting and sliding rail；The bottom supporting layer of two holding frames
It is mounted on the first support roller mounting, the both ends of the second cross beam are connect with two columns of one of holding frame, and described
Two crossbeams are located at the top of the first crossbeam of this holding frame, and the wedge lock part is installed on second cross beam, second support roller
Mounting is set on the first crossbeam below the second cross beam, and the sliding rail is set to the holding frame for being equipped with second cross beam
On one column, the second chain rivet positioning seat is set on the column of another holding frame, one end of the rocker arm and the second support roller
Mounting connection, the other end of the rocker arm and the other end of last item connect, and the periphery of the other end of the rocker arm connects with sliding rail
Touching.
7. step deflection test tooling according to claim 6, it is characterised in that: the rocker arm includes auxiliary wheel,
One connecting rod, the second chain axle sleeve, second connecting rod and fixing joint bearing；The auxiliary wheel is mounted on one end of first connecting rod, institute
State the other end that the second chain axle sleeve is installed on first connecting rod, the fixing joint bearing passes through second connecting rod and the second chain axle sleeve
Outside connection, the auxiliary wheel are embedded in the second support roller mounting, and the last item is connect with fixing joint bearing, the fixation
The outer surface of oscillating bearing is contacted with sliding rail, and the second chain axle sleeve is connect with step portion.
8. step deflection test tooling according to claim 6, it is characterised in that: the second chain rivet positioning seat includes solid
Reservation, chain rivet regulating part, chain rivet locating rod and snap-gauge；Two snap-gauges are arranged at intervals at the one side of fixing seat, two institutes
Stating has accommodation space between snap-gauge, the chain rivet locating rod is located in accommodation space, and the both ends of chain rivet locating rod are passed through respectively
Two snap-gauge connections are worn, the chain rivet regulating part is connect with chain rivet locating rod.
9. step deflection test tooling according to claim 1, it is characterised in that: the supporting mechanism include support column and
Lifting assembly；Two support columns are oppositely arranged along the width direction of workbench, and the both ends of the lifting assembly are respectively with two
The socket of root support column, the Test driver mechanism are installed on lifting assembly.
10. step deflection test tooling according to claim 1, it is characterised in that: further include fixed bottom plate；The fixation
Bottom plate is slidably mounted on workbench, and the clamping device is slidably mounted on the fixed bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734714.8A CN110426226B (en) | 2019-08-09 | 2019-08-09 | Step deflection test fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734714.8A CN110426226B (en) | 2019-08-09 | 2019-08-09 | Step deflection test fixture |
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| CN110426226A true CN110426226A (en) | 2019-11-08 |
| CN110426226B CN110426226B (en) | 2024-03-29 |
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| CN110426226B (en) | 2024-03-29 |
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