CN105738090B - Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench - Google Patents

Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench Download PDF

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Publication number
CN105738090B
CN105738090B CN201610076730.9A CN201610076730A CN105738090B CN 105738090 B CN105738090 B CN 105738090B CN 201610076730 A CN201610076730 A CN 201610076730A CN 105738090 B CN105738090 B CN 105738090B
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China
Prior art keywords
extension bar
support base
axis
wire type
foil gauge
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CN201610076730.9A
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CN105738090A (en
Inventor
丁闯
江鹏程
闵庆旭
冯辅周
张丽霞
张超省
赵永东
杨永利
刘晓阳
滕涛
张洪彦
韩博
邱绵浩
杨晋溥
任国春
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Armored Infantry Engineering College People's Liberation Army
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Armored Infantry Engineering College People's Liberation Army
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

Abstract

Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench, including bottom plate, the upper surface of bottom plate and the bottom end of extension bar bracket are fixedly linked, the top of extension bar bracket is equipped with extension bar putting hole along anterior-posterior horizontal direction, the middle part of extension bar cantilever tip is equipped with shaft along the vertical direction, the middle part of shaft passes through the middle part of extension bar putting hole along the vertical direction, the shaft part that shaft is located in extension bar putting hole is gap-matched the middle part across extension bar left end, the axis of extension bar is located at anterior-posterior horizontal direction, the rear end of extension bar is suspended on the middle part of extension bar putting hole, left side in front of extension bar bracket is equipped with support base, lower part on front side of support base has backing board.Its purpose is to provide one kind can accurately obtain dynamic test test data of the vehicle under the real vehicle operating condition of field, solves the problems, such as to emulate the armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench with the accordance of test in Car design.

Description

Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench
Technical field
The present invention relates to a kind of armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental benchs.
Background technique
Armored tracklayer in the process of running, with the service load of comprehensive actuator itself and the work of ground shock With comprehensive actuator will generate biggish active force to car body, and the size and Orientation of active force will be with traveling road conditions It is different and change.Comprehensive actuator with car body is connected by support base, and the stress of support base is comprehensive actuator To the load of car body, therefore obtain optimization of the support base in the load equipped in different operating condition operational process for vehicle chassis architecture It designs of crucial importance.In turn, comprehensive actuator is fixed on car body support, and car body is motivated with speed and ground Difference, biggish variation, therefore, support base will also be generated by being transmitted to the active force on comprehensive actuator by car body support construction Stress test has a very important role for the structure design of comprehensive actuator and meaning.However it is surveyed in support force In examination, need to paste foil gauge on support base, and the relationship of support base stress and foil gauge output valve needs calibration in advance, but The comprehensive transmission of armored vehicle of dynamic test test data of the vehicle under the real vehicle operating condition of field can not obtained accurately at present Device support base horizontal axis stress Calibrating experimental bench.
Summary of the invention
The purpose of the present invention is to provide one kind can accurately obtain dynamic test test of the vehicle under the real vehicle operating condition of field Data solve the problems, such as to emulate the accordance with test in Car design, realize setting for novel support structure and comprehensive actuator Meter, emulation, test form integrated research and development mode, accelerate the comprehensive transmission dress of armored vehicle of vehicle chassis Design of digital process Set support base horizontal axis stress Calibrating experimental bench.
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the invention, including bottom plate, bottom The upper surface of plate and the bottom end of extension bar bracket are fixedly linked, and the top of extension bar bracket is equipped with extension bar along anterior-posterior horizontal direction Putting hole, the middle part of extension bar cantilever tip are equipped with shaft along the vertical direction, and the middle part of shaft passes through extension bar along the vertical direction The middle part of putting hole, the shaft part that shaft is located in extension bar putting hole are gap-matched the middle part across extension bar left end, add The axis of power bar is located at anterior-posterior horizontal direction, and the rear end of extension bar is suspended on the middle part of extension bar putting hole, before extension bar bracket The left side of side is equipped with support base, and the lower part on front side of support base has backing board, and the top of support base is equipped with the groove of semi-circular arc, The center line of groove is located at left and right horizontal direction, and groove is installed with the support lantern ring of circular ring shape, support the center line of lantern ring with The axis of extension bar intersects vertically, and clamps in support lantern ring and is fixed with discoidal pressure pad, and pressure pad and support lantern ring are coaxial Setting, pressure pad are affixed towards the right middle part of end face and the left end of pressurizing block, are sleeved on rear side of extension bar in the middle part of pressurizing block On the body of rod;
The left side of the extension bar front end is equipped with guiding rope sheave, and the axis for being oriented to rope sheave is located at anterior-posterior horizontal direction, is oriented to The periphery of rope sheave is equipped with rope guide groove, is oriented in the rope guide groove of rope sheave and is wound with traction rope, one end of traction rope and reinforcing The front end of bar is fixedly linked, and the other end of traction rope is extended downwardly along the left end of the rope guide groove of guiding rope sheave, is oriented to rope sheave It is rotatably mounted around the middle part for axis of shipping and reselling on another market, the axis for axis of shipping and reselling on another market is parallel to the axis of extension bar, the axis for axis of shipping and reselling on another market and reinforcing The axis of bar is located in same level, and two ends of axis of shipping and reselling on another market are mounted on the top of guide rope wheel support;
The radius of the groove inner surface is 215mm ± 0.1mm, and support base has towards being sticked on the surface of left or right First prepackage wire type foil gauge, the second prepackage wire type foil gauge and third pre-install wire type foil gauge;
If the origin O of reference axis is located on the center line of the groove of support base, X-axis is located at anterior-posterior horizontal direction, and X-axis is by original Point O is positive coordinate forward, is backwards negative coordinate, and Y-axis is located at vertical direction, and Y-axis is positive coordinate by origin O upward, is negative downward Coordinate, then the position coordinates point A (x, y) that is sticked of the central point of the first prepackage wire type foil gauge is x=125mm ± 3mm, y=- 240mm ± 5mm, the first prepackage wire type foil gauge are sticked along anterior-posterior horizontal direction;The central point of second prepackage wire type foil gauge The position coordinates point B (x, y) that is sticked is that x=145mm ± 3mm, y=-240mm ± 5mm, second pre-install wire type foil gauge along vertical side To being sticked;The position coordinates point C (x, y) that is sticked of the central point of third prepackage wire type foil gauge is x=245mm ± 3mm, y=- 100mm ± 5mm, third prepackage wire type foil gauge are sticked along the vertical direction;
Standby plate is equipped near the bottom plate, being sticked on standby plate has temperature-compensating to pre-install wire type foil gauge, the branch The lower section for supportting seat is equipped with bottom bracket, and the lower end surface and the upper surface on front side of bottom bracket of backing board are affixed, the bottom end on rear side of support base It withstands on rear side of bottom bracket on the curved end on top.
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the invention, wherein the support The middle part of seat side facing forward is equipped with lateral prepackage wire type foil gauge, and lateral wire type foil gauge of pre-installing is sticked in left-right direction.
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the invention, wherein described first The model for pre-installing wire type foil gauge, the second prepackage wire type foil gauge and third prepackage wire type foil gauge is all KFG-20-120-C1- 11 R1M2。
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the invention, wherein the support Lantern ring periphery directed downwardly is equipped with card slot, and support lantern ring is installed on the support base by card slot, and support lantern ring uses steel Material is made.
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the invention, wherein the temperature The model of compensation prepackage wire type foil gauge and lateral prepackage wire type foil gauge is all KFG-20-120-C1-11 R1M2.
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the invention, wherein the groove The radius of inner surface is 215mm ± 3mm, the position coordinates point A (x, y) that is sticked of the central point of the first prepackage wire type foil gauge For x=125mm ± 2mm, y=-240mm ± 3mm, the position coordinates point B that is sticked of the central point of the second prepackage wire type foil gauge (x, It y) is x=145mm ± 2mm, y=-240mm ± 3mm, the position coordinates point C that is sticked of the central point of third prepackage wire type foil gauge (x, y) is x=245mm ± 2mm, y=-100mm ± 3mm.
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the invention, wherein the groove The radius of inner surface is 215mm ± 2mm, the position coordinates point A (x, y) that is sticked of the central point of the first prepackage wire type foil gauge For x=125mm ± 1mm, y=-240mm ± 2mm, the position coordinates point B that is sticked of the central point of the second prepackage wire type foil gauge (x, It y) is x=145mm ± 1mm, y=-240mm ± 2mm, the position coordinates point C that is sticked of the central point of third prepackage wire type foil gauge (x, y) is x=245mm ± 1mm, y=-100mm ± 2mm.
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the invention, can be used for plate armour The support base of vehicle comprehensive actuator is demarcated in the stress of horizontal axis, and calibrated support base can be used to accurately obtain Dynamic test test data of the vehicle under the real vehicle operating condition of field solves the problems, such as the accordance for emulating with testing in Car design, Promote the design, emulation, test of novel support structure and comprehensive actuator to form integrated research and development mode, accelerates vehicle chassis The process of Design of digital, therefore load of the support base in vehicle difference operating condition operational process is obtained for vehicle chassis architecture Optimization design is of crucial importance.
With reference to the accompanying drawing to armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the present invention It is described further.
Detailed description of the invention
Fig. 1 is the structural representation of armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the present invention The perspective view of figure;
Fig. 2 is the support base of armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the present invention The main view of structural schematic diagram;
Fig. 3 is the support base of armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the present invention The perspective view of structural schematic diagram.
Specific embodiment
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the present invention is chosen representative And the biggish support base of difficulty of test carries out strain sensing technical research in comprehensive actuator key position as point of penetration, To develop the New Sensing Technology that can be fused in transmission support, test data is obtained, and then solves the comprehensive transmission of transmission Device supports stress to obtain difficult problem.
The support base present position narrow space of comprehensive actuator, various sensor is difficult to install, and the present invention is used and answered Become test, so that test result is more acurrate.
Strain testing method principle are as follows: answering for transmission support key position is accurately obtained by high-precision high temperature resistant foil gauge Varying signal, and voltage signal is converted by bridge circuit by strain signal, this voltage signal is filtered by conditioning module, is put Greatly, the acquisition and storage, analysis processing and support force for being finally sent into comprehensive transmission data collection system completion strain signal are converted Etc. functions.
The present invention is subject to by specific position on test support base by the strain generated after load to calculate support base External applied load, but support base is an irregular 3D solid, when bearing external applied load, different location different directions on support base Strain is different.And there are certain relationships for support base stress load and strain, for this purpose, support base certain bits can be obtained by emulation The relationship of the strain and support loads set, so that the test for real load in the development and test of strain testing equipment provides reason By foundation.For the stress load for more accurately testing support base, need to carry out load mark to test equipment on Calibrating experimental bench Fixed test.
As shown in Figure 1, Figure 2 and Figure 3, armored vehicle comprehensive actuator support base horizontal axis stress calibration examination of the present invention Platform, including bottom plate 1 are tested, the upper surface of bottom plate 1 and the bottom end of extension bar bracket 2 are fixedly linked, and the top of extension bar bracket 2 is along preceding Horizontal direction is equipped with extension bar putting hole 3 afterwards, and the middle part on 2 top of extension bar bracket is equipped with shaft 4 along the vertical direction, shaft 4 Middle part passes through the middle part of extension bar putting hole 3 along the vertical direction, and shaft 4 is located at the shaft part in extension bar putting hole 3 using gap The middle part of 5 left end of extension bar is fitted through, the axis of extension bar 5 is located at anterior-posterior horizontal direction, and the rear end of extension bar 5, which is suspended on, to be added The middle part of power bar putting hole 3, the left side in 2 front of extension bar bracket are equipped with support base 10, and the lower part of 10 front side of support base has bottom Supporting plate 6, the top of support base 10 are equipped with the groove 7 of semi-circular arc, and the center line of groove 7 is located at left and right horizontal direction, at groove 7 It is installed with the support lantern ring 8 of circular ring shape, the axis of the center line and extension bar 5 of lantern ring 8 is supported to intersect vertically, is supported in lantern ring 8 Clamping is fixed with discoidal pressure pad 9, and pressure pad 9 and support lantern ring 8 are coaxially disposed, middle part of the pressure pad 9 towards right end face It is affixed with the left end of pressurizing block 15, the middle part of pressurizing block 15 is sleeved on the body of rod of 5 rear side of extension bar;
The left side of 5 front end of extension bar is equipped with guiding rope sheave 17, and the axis of guiding rope sheave 17 is located at anterior-posterior horizontal direction, The periphery for being oriented to rope sheave 17 is equipped with rope guide groove, is oriented in the rope guide groove of rope sheave 17 and is wound with traction rope 16, traction rope 16 One end and the front end of extension bar 5 be fixedly linked, the other end of traction rope 16 along the rope guide groove of guiding rope sheave 17 left end It extends downwardly, guiding rope sheave 17 is rotatably mounted around the middle part for axis 18 of shipping and reselling on another market, and the axis for axis 18 of shipping and reselling on another market is parallel to extension bar 5 Axis, the axis for axis 18 of shipping and reselling on another market and the axis of extension bar 5 are located in same level, and two ends of axis 18 of shipping and reselling on another market are mounted on guide rope The top of wheel support 19;
When in use, the loading blocks of constant weight can be suspended to the low end of traction rope 16, draw traction rope 16 downwards, So that 5 front end of extension bar is acted on by load in the horizontal direction to the left, and pass through pressure pad 9, pressurizing block 15 and support lantern ring 8 It is transferred to support base 10, then pre-installs wire type by the first prepackage prepackage of wire type foil gauge 12, second wire type foil gauge 13, third and answers Become piece 14, lateral prepackage wire type foil gauge is supported the data loaded of seat 10;And the shaft 4 of 5 rear end of extension bar is then made For hinge joint, the front end of extension bar 5 is allowed to swing in the lateral direction in the horizontal direction.
The radius of 7 inner surface of groove is 215mm ± 0.1mm, and support base 10 is towards pasting on the surface of left or right Wire type foil gauge 13 is pre-installed equipped with the first prepackage wire type foil gauge 12, second and third pre-installs wire type foil gauge 14;
If the origin O of reference axis is located on the center line of the groove 7 of support base 10, X-axis is located at anterior-posterior horizontal direction, X-axis Forward it is positive coordinate by origin O, is backwards negative coordinate, Y-axis is located at vertical direction, and Y-axis is positive coordinate by origin O upward, downward For negative coordinate, then the position coordinates point A (x, y) that is sticked of the central point of the first prepackage wire type foil gauge 12 be x=125mm ± 3mm, Y=-240mm ± 5mm, the first prepackage wire type foil gauge 12 are sticked along anterior-posterior horizontal direction;Second prepackage wire type foil gauge 13 The position coordinates point B (x, y) that is sticked of central point is that x=145mm ± 3mm, y=-240mm ± 5mm, second pre-install wire type foil gauge 13 are sticked along the vertical direction;The position coordinates point C (x, y) that is sticked of the central point of third prepackage wire type foil gauge 14 is x=245mm ± 3mm, y=-100mm ± 5mm, third prepackage wire type foil gauge 14 are sticked along the vertical direction;
Experiment shows that above three is sticked a little under same load, compared with other positions of support base 10, should become larger, Signal-to-noise ratio is high, answers so the above-mentioned coordinate points of selection support base 10 paste the first prepackage prepackage of wire type foil gauge 12, second wire type Become piece 13, third pre-installs wire type foil gauge 14.During the test, the average value that three obtained load value will be tested, as The exact value loaded of support base 10.
It is equipped with standby plate (being not drawn into figure) near the bottom plate 1, being sticked on standby plate has temperature-compensating to pre-install wire type Foil gauge (is not drawn into) in figure, and the lower section of the support base 10 is equipped with bottom bracket 11, before the lower end surface of backing board 6 and bottom bracket 11 The upper surface of side is affixed, and the bottom end of 10 rear side of support base is withstood on the curved end on 11 rear side top of bottom bracket.
As a further improvement of the present invention, the middle part of above-mentioned support base 10 side facing forward is equipped with lateral prepackage wire type and answers Become piece (being not drawn into figure), lateral wire type foil gauge of pre-installing is sticked in left-right direction.At the middle part of the side facing forward of support base 10 It is the power in order to measure power and lateral along car body direction equipped with lateral prepackage wire type foil gauge.
As a further improvement of the present invention, above-mentioned first prepackage wire type foil gauge 12, second pre-installs wire type foil gauge 13 Model with third prepackage wire type foil gauge 14 is all KFG-20-120-C1-11 R1M2.
As a further improvement of the present invention, above-mentioned support lantern ring 8 periphery directed downwardly is equipped with card slot, supports lantern ring 8 It is installed on the support base 10 by card slot, support lantern ring 8 is made of steel.
As a further improvement of the present invention, above-mentioned temperature-compensating prepackage wire type foil gauge and lateral prepackage wire type foil gauge Model be all KFG-20-120-C1-11 R1M2.
As a further improvement of the present invention, the radius of above-mentioned 7 inner surface of groove is 215mm ± 3mm, first prepackage The position coordinates point A (x, y) that is sticked of the central point of wire type foil gauge 12 is x=125mm ± 2mm, y=-240mm ± 3mm, and second Pre-install wire type foil gauge 13 central point be sticked position coordinates point B (x, y) be x=145mm ± 2mm, y=-240mm ± 3mm, Third prepackage wire type foil gauge 14 central point be sticked position coordinates point C (x, y) be x=245mm ± 2mm, y=-100mm ± 3mm。
As a further improvement of the present invention, the radius of above-mentioned 7 inner surface of groove is 215mm ± 2mm, first prepackage The position coordinates point A (x, y) that is sticked of the central point of wire type foil gauge 12 is x=125mm ± 1mm, y=-240mm ± 2mm, and second Pre-install wire type foil gauge 13 central point be sticked position coordinates point B (x, y) be x=145mm ± 1mm, y=-240mm ± 2mm, Third prepackage wire type foil gauge 14 central point be sticked position coordinates point C (x, y) be x=245mm ± 1mm, y=-100mm ± 2mm。
Wire type foil gauge (being not drawn into figure) is pre-installed in the temperature-compensating that is sticked on standby plate, and compensation prepackage wire type foil gauge is viscous It is attached on the standby plate not strained, realizes the temperature-compensating that other 3 are tested with foil gauge.The lower section of support base 10 is equipped with bottom The upper surface of bracket 11, the lower end surface and 11 front side of bottom bracket of backing board 6 is affixed, and the bottom end of 10 rear side of support base withstands on bottom bracket On the curved end on 11 rear side tops, in order to ensure support base 10 will not move during the test, preferably by support base 10 are weldingly connected with bottom bracket 11.In test, bottom bracket 11, bottom plate 1 and guide rope wheel support 19 can be all fixed on omnipotent On platform.
During the work time due to transmission device, temperature can be risen with the working time, connect the branch of transmission device The temperature of support seat 10 also can be increased accordingly, can reach the high temperature of tens degree of even upper Baidu, for validation test equipment energy Enough to work normally in the environment of such high temperature, test equipment need to carry out High temperature calibration test.
High temperature calibration test, which refers to, gives armored vehicle comprehensive actuator support base trunnion axis using standard strain marking apparatus Into stress Calibrating experimental bench, test equipment inputs definite value strain signal, then by armored vehicle comprehensive actuator support base water Flat axially loaded Calibrating experimental bench test equipment is placed in high-temperature cabinet, and the temperature of high-temperature cabinet is gradually increased by 0 to 120 DEG C, is used The output signal for acquiring equipment acquisition armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench, to output Signal is analyzed and processed, and is set with verifying the test of armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench Standby high temperature resistance.
Armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench of the present invention is to utilize lever principle Support base 10 is loaded, enabling the length ratio of lever is a: b=1: 10, i.e., if the axis of extension bar 5 intersects with the axis of shaft 2 Putting to the distance between the center line crosspoint of groove 7 of the axis of extension bar 5 and support base 10 a is 1, then by extension bar 5 The center line crosspoint of axis and groove 7 is 10 to the distance between the load(ing) point of extension bar 5 b, is added in the load(ing) point of extension bar 5 Carry the power of 1N, will make the power for bearing 10N on transmission support seat, the design with it is conventional it is direct loaded to support base 10 compared with, The size of loading force can greatly be reduced.
In order to extremely accurate test the stress load of support base, load mark is carried out to test equipment on Calibrating experimental bench Fixed test.Different power is loaded downwards along the low end of traction rope 16 respectively in one end of Calibrating experimental bench upper lever, for example, can Size along the downward loading force of the low end of traction rope 16 increases 1kN from 0 to 5kN every time, is loaded using acquisition equipment record Corresponding voltage signal in journey;When loading downwards along the low end of traction rope 16, two kinds of different modes can be used: for example, a kind of It is the loading procedure that power is gradually increased from 0 to 5kN, another kind is the loading procedure that power is gradually reduced from 5kN to 0.Loading force by Small to arrive a big and data of descending each record, load will obtain two on-load voltage values twice, to the voltage loaded twice Value is averaged, and be can be realized and is demarcated to armored vehicle comprehensive actuator support base horizontal axis stress.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to model of the invention It encloses and is defined, without departing from the spirit of the design of the present invention, this field ordinary engineering and technical personnel is to the technology of the present invention side The various changes and improvements that case is made, should fall within the scope of protection determined by the claims of the present invention.

Claims (5)

1. armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench, it is characterised in that: including bottom plate (1), the upper surface of bottom plate (1) and the bottom end of extension bar bracket (2) are fixedly linked, and the top of extension bar bracket (2) is along front and back water Square to be equipped with extension bar putting hole (3), extension bar bracket (2) top middle part be equipped with shaft (4), shaft along the vertical direction (4) middle part passes through the middle part of extension bar putting hole (3) along the vertical direction, and shaft (4) is located at the axis in extension bar putting hole (3) Section is gap-matched the middle part across extension bar (5) left end, and the axis of extension bar (5) is located at anterior-posterior horizontal direction, extension bar (5) rear end is suspended on the middle part of extension bar putting hole (3), and the left side in front of extension bar bracket (2) is equipped with support base (10), branch Supportting the lower part on front side of seat (10) has backing board (6), and the top of support base (10) is equipped with the groove (7) of semi-circular arc, groove (7) Center line be located at left and right horizontal direction, be installed with the support lantern ring (8) of circular ring shape at groove (7), support the center of lantern ring (8) Line and the axis of extension bar (5) intersect vertically, and clamp in support lantern ring (8) and are fixed with discoidal pressure pad (9), pressure pad (9) with support lantern ring (8) coaxial arrangement, the pad (9) that presses is affixed towards the right middle part of end face and the left end of pressurizing block (15), pressurizes It is sleeved in the middle part of block (15) on the body of rod on rear side of extension bar (5);
The left side of extension bar (5) front end is equipped with guiding rope sheave (17), and the axis of guiding rope sheave (17) is located at anterior-posterior horizontal side To, the periphery of guiding rope sheave (17) is equipped with rope guide groove, and it is oriented in the rope guide groove of rope sheave (17) and is wound with traction rope (16), One end of traction rope (16) and the front end of extension bar (5) are fixedly linked, and the other end of traction rope (16) is along guiding rope sheave (17) The left end of rope guide groove extend downwardly, guiding rope sheave (17) is rotatably mounted around the middle part of axis of shipping and reselling on another market (18), axis of shipping and reselling on another market (18) axis is parallel to the axis of extension bar (5), and the axis of axis of shipping and reselling on another market (18) and the axis of extension bar (5) are located at same level On face, two ends of axis of shipping and reselling on another market (18) are mounted on the top of guide rope wheel support (19);
The radius of groove (7) inner surface is 215mm ± 0.1mm, and support base (10) is towards pasting on the surface of left or right Equipped with the first prepackage wire type foil gauge (12), the second prepackage wire type foil gauge (13) and third prepackage wire type foil gauge (14);
If the origin O of reference axis is located on the center line of groove (7) of support base (10), X-axis is located at anterior-posterior horizontal direction, X-axis Forward it is positive coordinate by origin O, is backwards negative coordinate, Y-axis is located at vertical direction, and Y-axis is positive coordinate by origin O upward, downward For negative coordinate, then the position coordinates point A (x, y) that is sticked of the central point of the first prepackage wire type foil gauge (12) be x=125mm ± 3mm, y=-240mm ± 5mm, the first prepackage wire type foil gauge (12) are sticked along anterior-posterior horizontal direction;Second prepackage wire type strain The position coordinates point B (x, y) that is sticked of the central point of piece (13) is the pre- wiring of x=145mm ± 3mm, y=-240mm ± 5mm, second Formula foil gauge (13) is sticked along the vertical direction;Third pre-install wire type foil gauge (14) central point the position coordinates point C that is sticked (x, It y) is x=245mm ± 3mm, y=-100mm ± 5mm, third prepackage wire type foil gauge (14) is sticked along the vertical direction;
Standby plate is equipped near the bottom plate (1), being sticked on standby plate has temperature-compensating to pre-install wire type foil gauge, the support The lower section of seat (10) is equipped with bottom bracket (11), and lower end surface and the upper surface on front side of bottom bracket (11) of backing board (6) are affixed, and supports Bottom end on rear side of seat (10) is withstood on rear side of bottom bracket (11) on the curved end on top.
2. armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench according to claim 1, Be characterized in that: the middle part of the support base (10) side facing forward is equipped with lateral prepackage wire type foil gauge, and lateral wire type of pre-installing is answered Become piece to be sticked in left-right direction.
3. armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench according to claim 2, It is characterized in that: first prepackage wire type foil gauge (12), the second prepackage wire type foil gauge (13) and third prepackage wire type strain The model of piece (14) is all KFG-20-120-C1-11 R1M2.
4. armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench according to claim 3, Be characterized in that: the support lantern ring (8) periphery directed downwardly is equipped with card slot, and support lantern ring (8) is installed on described by card slot On support base (10), support lantern ring (8) is made of steel.
5. armored vehicle comprehensive actuator support base horizontal axis stress Calibrating experimental bench according to claim 4, Be characterized in that: the model of the temperature-compensating prepackage wire type foil gauge and lateral prepackage wire type foil gauge is all KFG-20-120- C1-11 R1M2。
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