Leading truck Z-direction forces testing device
Technical field
This utility model relates to a kind of leading truck Z-direction forces testing device.
Background technology
My company researches and develops 700 DEG C of advanced ultra supercritical suspension and supports, see Fig. 1 and Fig. 2, it is directed to the spacing leading truck of pipeline (hereinafter referred to as leading truck), product development finally needs with type approval test to verify design correctness, therefore my company have developed a set of leading truck Z-direction forces testing device, simulation leading truck real use state, can verify that leading truck designs more objectively completely.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, it is provided that one can simulate leading truck real use state completely, can verify the leading truck Z-direction forces testing device that leading truck designs more objectively.
The purpose of this utility model is achieved in that
A kind of leading truck Z-direction forces testing device, it is characterised in that it includes testing pedestal and being installed on the leading truck Z-direction forces testing frock on test pedestal;
Described leading truck Z-direction forces testing frock includes jack mounting base, double acting hollow jack, force transducer ring flange, force transducer, the first push rod, the second push rod, leading truck mounting seat, pipeline A stressed member, grating scale mounting bracket and grating scale, and pipeline A stressed member is positioned at the second push rod front-right;
nullDescribed jack mounting base is installed on the counter-force seat right side wall on the left of test pedestal,Double acting hollow jack is arranged the most to the right,The left end of double acting hollow jack is connected with jack mounting base,Force transducer ring flange has two,The right-hand member of double acting hollow jack passes through first force transducer ring flange attachment force sensor,The right-hand member of force transducer connects the first push rod of lateral arrangement to the right by second force transducer ring flange,The right-hand member of the first push rod connects the second push rod of lateral arrangement to the right,Leading truck mounting seat includes longitudinal plate、Transverse plate、Diagonal brace and reinforcement,Described longitudinal plate is installed on the counter-force seat left side wall on the right side of test pedestal by bolt,Transverse plate connects to the left in the back segment of longitudinal plate,Between the leading portion left surface of the oblique left section of leading flank being connected to transverse plate of diagonal brace and longitudinal plate,Reinforcement is connected between the rear end of transverse plate trailing flank and longitudinal plate,Pipeline A stressed member includes duct section,The outer wall circumference of duct section is evenly arranged with four fixture blocks,Described grating scale mounting bracket is installed on the stud of test pedestal and stretches at the first push rod,The read head of grating scale is arranged on the first push rod,The main scale of grating scale is arranged in grating scale mounting bracket.
A kind of leading truck Z-direction forces testing device, it is characterised in that its installation method is as follows:
1, on two counter-force seats of test pedestal, it is respectively mounted jack mounting base and leading truck mounting seat,
2, double acting hollow jack is installed on jack mounting base,
3, at double acting hollow jack, first force transducer ring flange is installed,
4, installing force sensor on first force transducer ring flange,
5, second force transducer ring flange is installed on force transducer,
6, on second force transducer ring flange, the first push rod is installed,
7, the second push rod is installed on the first push rod,
8, grating scale mounting bracket is installed on the stud of test pedestal,
9, grating scale is installed.
Described test pedestal includes two counter-force seats that left and right is arranged, the most all by three horizontal Stud connections between the front end of two counter-force seats and between rear end, on stud outside counter-force seat, rotation is equipped with outboard nut, and on the stud inside counter-force seat, rotation is equipped with inner screw nut.
Compared with prior art, the beneficial effects of the utility model are:
This utility model leading truck Z-direction forces testing device has can simulate leading truck real use state completely, can verify the advantage that leading truck designs more objectively.
Accompanying drawing explanation
Fig. 1 is the front view of leading truck.
Fig. 2 is the side view of leading truck.
Fig. 3 is the front view of test platform.
Fig. 4 is the side view of test platform.
Fig. 5 is the A-A sectional view of Fig. 3.
Fig. 6 is the structural representation of leading truck Z-direction forces testing frock.
Wherein:
Test pedestal 1, counter-force seat 1.1, stud 1.2, outboard nut 1.3, inner screw nut 1.4, bottom girder 1.5, bolt hole 1.6
Leading truck 2, vertical supporting 2.1, cross-brace 2.2
Jack mounting base 3, double acting hollow jack 4, force transducer ring flange 5, force transducer the 6, first push rod the 7, second push rod 8, leading truck mounting seat 9, longitudinal plate 9.1, transverse plate 9.2, diagonal brace 9.3, reinforcement 9.4, pipeline A stressed member 10, duct section 10.1, fixture block 10.2, grating scale mounting bracket 11, grating scale 12.
Detailed description of the invention
See Fig. 1 and Fig. 2, a kind of leading truck 2 that this utility model relates to, it includes two vertical supportings 2.1, and connecting between two vertical supportings 2.1 has two cross-brace 2.2, forms the pipe hole passed through for pipeline between two vertical supportings 2.1 and two cross-brace 2.2.
A kind of leading truck Z-direction forces testing device that this utility model relates to, it includes testing pedestal 1 and being installed on the leading truck Z-direction forces testing frock on test pedestal 1.
See Fig. 3 ~ Fig. 5, described test pedestal 1 includes two counter-force seats 1.1 that left and right is arranged, the most all connected by three horizontal studs 1.2 between the front end of two counter-force seats 1.1 and between rear end, on stud 1.2 outside counter-force seat 1.1, rotation is equipped with outboard nut 1.3, and on the stud 1.2 inside counter-force seat 1.1, rotation is equipped with inner screw nut 1.4.Described counter-force seat 1.1 is welded by steel plate, and Fig. 5 is it can be seen that the concrete Welding Structure of steel plate, and steel plate avoids stud 1.2 and the position of bolt hole 1.6.The medial surface of described counter-force seat 1.1 is working face, and working face processing is smooth.The front-end and back-end of two counter-force seats 1.1 are held on two smooth bottom girders 1.5 respectively, and bottom girder 1.5 uses H profile steel, bottom girder 1.5 to be held on ground.The working face making two counter-force seats 1.1 is perpendicular to the ground, and two working faces of two counter-force seats 1.1 are parallel.It is disposed with the bolt hole 1.6 of 5 × 5 matrix arrangements on counter-force seat 1.1, is provided with guide pipe in bolt hole and facilitates the installation of long bolt.
See Fig. 6, described leading truck Z-direction forces testing frock includes jack mounting base 3, double acting hollow jack 4, force transducer ring flange 5, force transducer the 6, first push rod the 7, second push rod 8, leading truck mounting seat 9, pipeline A stressed member 10, grating scale mounting bracket 11 and grating scale 12, and pipeline A stressed member 10 is positioned at the second push rod 8 front-right.
nullDescribed jack mounting base 3 is installed on counter-force seat 1.1 right side wall on the left of test pedestal 1 by bolt,Double acting hollow jack 4 is laterally arranged to the right,The left end of double acting hollow jack 4 is bolted with jack mounting base 3,Force transducer ring flange 5 has two,The right-hand member of double acting hollow jack 4 passes through first force transducer ring flange 5 attachment force sensor 6,The right-hand member of force transducer 6 connects the first push rod 7 of lateral arrangement to the right by second force transducer ring flange 5,The right-hand member of the first push rod 7 connects the second push rod 8 of lateral arrangement to the right,Leading truck mounting seat 9 includes longitudinal plate 9.1、Transverse plate 9.2、Diagonal brace 9.3 and reinforcement 9.4,Described longitudinal plate 9.1 is installed on counter-force seat 1.1 left side wall on the right side of test pedestal 1 by bolt,Transverse plate 9.2 connects to the left in the back segment of longitudinal plate 9.1,Between the leading portion left surface of the oblique left section of leading flank being connected to transverse plate 9.2 of diagonal brace 9.3 and longitudinal plate 9.1,Reinforcement 9.4 is connected between the rear end of transverse plate 9.2 trailing flank and longitudinal plate 9.1,Pipeline A stressed member 10 includes duct section 10.1,The outer wall circumference of duct section 10.1 is evenly arranged with four fixture blocks 10.2,The end of duct section 10.1 is provided with duct section flange.Described grating scale mounting bracket 11 is installed on the stud 1.2 of test pedestal 1 and stretches at the first push rod 7, and the read head of grating scale 12 is arranged on the first push rod 7, and the main scale of grating scale 12 is arranged in grating scale mounting bracket 11.
The installation method of above-mentioned leading truck Z-direction forces testing device is as follows:
1, on two counter-force seats of test pedestal, it is respectively mounted jack mounting base and leading truck mounting seat,
2, double acting hollow jack is installed on jack mounting base,
3, at double acting hollow jack, first force transducer ring flange is installed,
4, installing force sensor on first force transducer ring flange,
5, second force transducer ring flange is installed on force transducer,
6, on second force transducer ring flange, the first push rod is installed,
7, the second push rod is installed on the first push rod,
8, grating scale mounting bracket is installed on the stud of test pedestal,
9, grating scale is installed.
A kind of leading truck Z-direction forces testing method, it includes following step:
Step one, installation leading truck Z-direction forces testing device
Step 2, it is directed to frame and is installed on leading truck Z-direction forces testing device
Two vertical supportings being directed to frame are connected on the transverse plate of leading truck mounting seat, the duct section of pipeline A stressed member is stretched into from left to right leading truck pipe hole in, wherein respectively against two vertical supportings and the left side of two cross-brace of leading truck on the right side of four fixture blocks of pipeline A stressed member, the duct section flange of the duct section left end of pipeline A stressed member props up the right-hand member of the second push rod;
Step 3, test
Load double acting hollow jack, owing to leading truck is almost rigidity, deflection is the least, and load mode uses manual pump to load, and does not select electrodynamic pump to load, electrodynamic pump speed loading velocity is fast, the accuracy of loaded value cannot be held, although manual pump loads slowly, but the load value of anticipated setting can accurately be loaded into, when the loading force of force transducer output is close to anticipated setting load, slow down loading velocity until testing out Z-direction stress load value the most to be measured.
When loading double acting hollow jack manually pump output loads, load passes to force transducer by force transducer flange, then passes to leading truck to be measured by the first push rod, the second push rod and pipeline force simulation part.A kind of above-mentioned leading truck Z-direction forces testing method meets the test of leading truck Z-direction stress, completely the same with real use state, can verify the reasonability that leading truck designs objectively.