CN103439124B - Railway vehicle bogie static load test bench closed-frame charger - Google Patents
Railway vehicle bogie static load test bench closed-frame charger Download PDFInfo
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- CN103439124B CN103439124B CN201310428443.6A CN201310428443A CN103439124B CN 103439124 B CN103439124 B CN 103439124B CN 201310428443 A CN201310428443 A CN 201310428443A CN 103439124 B CN103439124 B CN 103439124B
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Abstract
Railway vehicle bogie static load test bench closed-frame charger, belongs to rail vehicle and manufactures security technology area.The invention solves existing charger structural instability, the problem of the measuring accuracy of bogie performance parameter cannot be ensured.The main lathe bed of basic platform is fixed on ground by foot bolt, and two secondary lathe bed symmetries are connected to main lathe bed both sides; Be set up in parallel about the left column of portal frame and right column, the lower end of left column and right column is fixedly connected on two secondary lathe beds, crossbeam is fixedly connected on the upper end of left column and right column, be fixed on side by side on crossbeam about Left Drive mechanism and right gear train, the left leading screw of Left Drive mechanism is connected by shaft coupling with the feed rod of right gear train, and described basic platform, left column, right column and crossbeam form closed frame.The present invention is used in rail vehicle truck static test.
Description
Technical field
The present invention relates to railway vehicle bogie static load test bench charger, be specifically related to a kind of railway vehicle bogie static load test bench closed-frame charger, belong to rail vehicle and manufacture security technology area.
Background technology
Bogie is the critical component of rail vehicle, is directly connected to normal operation and the safety guarantee of rail vehicle.Bogie static test bed is a kind of static load simulated car body weight and produce, and the performance parameter of rail vehicle truck is carried out to the Special test platform of comprehensive detection.As the charger of bogie static test bed important component part, the levels of precision that its structure is simulated static load is most important, the direct measuring accuracy affecting bogie performance parameter, therefore develops a kind of Stability Analysis of Structures and effectively can ensure that the railway vehicle bogie static load test bench charger of measuring accuracy is very important.
Summary of the invention
The present invention, in order to solve existing charger structural instability, cannot ensure the problem of the measuring accuracy of bogie performance parameter, and then provides a kind of railway vehicle bogie static load test bench closed-frame charger.
The present invention in order to solve the problems of the technologies described above taked technical scheme is:
Railway vehicle bogie static load test bench closed-frame charger of the present invention comprises basic platform, Left Drive mechanism, right gear train and portal frame; Described basic platform comprises main lathe bed and two secondary lathe beds, and described main lathe bed is fixed on ground by foot bolt, and described two secondary lathe bed symmetries are connected to the left and right sides of main lathe bed; Described portal frame comprises left column, right column and crossbeam, be set up in parallel about described left column and right column, and the lower end of left column and right column is fixedly connected on two secondary lathe beds, crossbeam is fixedly connected on the upper end of left column and right column, be fixed on side by side on crossbeam about described Left Drive mechanism and right gear train, the left leading screw of Left Drive mechanism is connected by shaft coupling with the feed rod of right gear train, and described basic platform, left column, right column and crossbeam form closed frame.
Preferred: described basic platform also comprises multiple leveling parallels, the lower surface of basic platform is provided with multiple leveling parallels.Design like this, basic platform carries out leveling by leveling parallels.
Preferred: described left column and right column are A font pillar construction.Left column and right column include two oblique pull posts and a horizon bar, and two oblique pull posts are that splayed configuration is arranged, and the middle part of two oblique pull posts is fixed together by horizon bar.Design like this, good rigidity, stability is strong, uniform force, and then ensure that measuring accuracy.
Preferred: described crossbeam and be provided with adjustment pad between left column and right column.Design like this, for adjusting crossbeam maintenance level.
Preferred: described Left Drive mechanism comprises left socle, left hydraulic cylinder, left load sensor, left line slideway, left slide carriage, left screw and left leading screw; Described left line slideway is fixedly connected on crossbeam, left slide carriage is fixedly connected on the slide block of left line slideway, left hydraulic cylinder is fixed on left slide carriage by preposition flange, left load sensor is fixed on the piston rod of left hydraulic cylinder, the left end of described left leading screw is supported on left column by bearing assembly, left screw coordinates with left leading screw, and described left screw is fixed on left slide carriage by left socle.
Preferred: described Left Drive mechanism also comprises multiple left rail pressing plate and multiple first jackscrew screw, multiple left rail pressing plate divides the both sides, front and back being listed in left line slideway, and multiple left rail pressing plate is fixed on crossbeam, each first jackscrew screw is threaded with a left rail pressing plate, and the end of the first jackscrew screw is resisted against on left line slideway anterior end surface or rear side end face.Design like this, limits left line slideway by the first jackscrew screw and produces movable.
Preferred: described Left Drive mechanism also comprises two left limit blocks, described left line slideway be each side provided with a left limit block, left limit block is fixedly mounted on crossbeam, and the lower surface of the lower surface of left limit block or left limit block concordant with the lower surface of left slide carriage is lower than the upper surface of left slide carriage.Design like this, limits the stroke of left slide carriage by left limit block.
Preferred: described Left Drive mechanism also comprises two left locating pieces and two the first stop screws, described two left locating pieces are fixedly mounted on the front end face of left slide carriage, and the upper surface of left locating piece is higher than the upper surface of left slide carriage, each first stop screw is threaded with a left locating piece, and the end of the first stop screw is resisted against on the front end face of left line slideway.Design like this, for limiting the movable of left slide carriage.
Preferred: described left load sensor is Interface pressure transducer.Design like this, effectively can ensure measuring accuracy.
Preferred: described right gear train comprises right hydraulic cylinder, right support, the first tie-strut, right load sensor, right line slideway, right slide carriage, feed rod, right leading screw and right screw, described right line slideway is fixedly connected on crossbeam, right slide carriage is fixedly connected on the slide block of right line slideway, right hydraulic cylinder is fixed on right slide carriage by preposition flange, right load sensor is fixed on the piston rod of right hydraulic cylinder, be set up in parallel before and after described feed rod and right leading screw, the right-hand member of described feed rod is supported on right column by bearing assembly, and the right-hand member of feed rod is drive end passes right column, the right-hand member of described right leading screw is supported on right column by bearing assembly, and the right-hand member of right leading screw is drive end passes right column, the left end of described right leading screw is provided with bearing assembly, the bearing seat of bearing assembly is connected with crossbeam by the first tie-strut, right screw coordinates with right leading screw, described right screw is fixed on right slide carriage by right support.
Preferred: described right gear train also comprises multiple right guide rail clip and multiple second jackscrew screw, multiple right guide rail clip divides the both sides, front and back being listed in right line slideway, and multiple right guide rail clip is fixed on crossbeam, each second jackscrew screw is threaded with a right guide rail clip, and the end of the second jackscrew screw is resisted against on right line slideway anterior end surface or rear side end face.Design like this, limits right line slideway by the second jackscrew screw and produces movable.
Preferred: described right gear train also comprises two right limit blocks, described right line slideway be each side provided with a right limit block, right limit block is fixedly mounted on crossbeam, and the lower surface of the lower surface of right limit block or right limit block concordant with the lower surface of right slide carriage is lower than the upper surface of right slide carriage.Design like this, limits the stroke of right slide carriage by right limit block.
Preferred: described right gear train also comprises two right locating pieces and two the second stop screws, described two right locating pieces are fixedly mounted on the front end face of right slide carriage, and the upper surface of right locating piece is higher than the upper surface of right slide carriage, each second stop screw is threaded with a right locating piece, and the end of the second stop screw is resisted against on the front end face of right line slideway.Design like this, for limiting the movable of right slide carriage.
Preferred: described right load sensor is Interface pressure transducer.Design like this, effectively can ensure measuring accuracy.
Preferred: described crossbeam is also connected with the second tie-strut, the lower end of the second tie-strut is connected with support set, is provided with sliding sleeve in support set, is fixed between support set and sliding sleeve by holding screw, and described left leading screw is through in sliding sleeve, and rotates in sliding sleeve.
Preferred: the drive end of described feed rod and right leading screw is all set with counter.Design like this, counter, for recording the number of turns of feed rod and the rotation of right leading screw, can directly be determined to load the position of cylinder along crossbeam direction by leading screw rotating cycle, ensures that loading cylinder overlaps with loading Position.
Preferred: the drive end of described feed rod is connected with the first rocking arm, and the first rocking arm is provided with first handle, the drive end of described right leading screw is connected with the second rocking arm, and the second rocking arm is provided with second handle.Design like this, is convenient to drive feed rod and right screw turns.Feed rod also can be connected motor with the drive end of right leading screw, drives feed rod and right screw turns by motor.
The present invention compared with prior art has following effect:
Charger Stability Analysis of Structures of the present invention and effectively can ensure measuring accuracy.
1, adopt closed frame structure, loading force is become system internal force, alleviate the pressure to ground;
2, adopt A font pillar construction, good rigidity, stability is strong, and uniform force, ensure that measuring accuracy;
3, lead screw transmission is adopted to adjust the active position that two are loading force, accurately reliably, practicable self-locking simultaneously;
4, adopt Interface high-precision pressure sensor, effectively can ensure measuring accuracy.
Accompanying drawing explanation
Fig. 1 is bogie charger front view;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is bogie charger side view;
Fig. 4 is the I place partial enlarged drawing of Fig. 3;
Fig. 5 is the B-B cut-open view of Fig. 2;
Fig. 6 is the C-C cut-open view of Fig. 2;
Fig. 7 is position and the relation of the installation schematic diagram of right guide rail clip, the second jackscrew screw, right line slideway, crossbeam, right locating piece, the second stop screw and right slide carriage;
Fig. 8 is the II place enlarged drawing of Fig. 1;
Fig. 9 is the III place enlarged drawing of Fig. 1.
In figure: platform based on a, b is Left Drive mechanism, c is right gear train, d is portal frame, 1 is foot bolt, 2 is leveling parallels, 3 is oblique pull post, 4 is horizon bar, 5 is secondary lathe bed, 6 is main lathe bed, 7 is right guide rail clip, 8 is the second jackscrew screw, 9 is left column, 10 is right limit block, 11 is right locating piece 11, 12 is left limit block, 13 is left socle, 14 is left hydraulic cylinder, 15 is the second stop screw, 16 is crossbeam, 17 is left load sensor, 18 is the first rocking arm, 19 is right hydraulic cylinder, 20 is turning set, 21 is holding screw, 22 is adjustment pad, 23 is right support, 24 is the first tie-strut, 25 is counter, 26 is the second tie-strut, 27 is right load sensor, 28 is support set, 29 is right column, 30 is first handle, 31 is the second rocking arm, 32 is left rail pressing plate, 33 is left line slideway, 34 is right line slideway, 35 is left slide carriage, 36 is left screw, 37 is left leading screw, 38 is right slide carriage, 39 is shaft coupling, 40 is feed rod, 41 is second handle, 42 is right leading screw, 43 is right screw, 45 is the first jackscrew screw, 46 is left locating piece, 47 is the first stop screw.
Embodiment
Elaborate the preferred embodiment of the present invention with reference to the accompanying drawings below.
Described railway vehicle bogie static load test bench closed-frame charger comprises basic platform a, Left Drive mechanism b, right gear train c and portal frame d; Described basic platform a comprises main lathe bed 6 and two secondary lathe beds 5, and described main lathe bed 6 is fixed on ground by foot bolt 1, and described two secondary lathe bed 5 symmetries are connected to the left and right sides of main lathe bed 6; Described portal frame d comprises left column 9, right column 29 and crossbeam 16, described left column 9 and right column about 29 are set up in parallel, and the lower end of left column 9 and right column 29 is fixedly connected on two secondary lathe beds 5, crossbeam 16 is fixedly connected on the upper end of left column 9 and right column 29, described Left Drive mechanism b and right gear train about c is fixed on crossbeam 16 side by side, the left leading screw 37 of Left Drive mechanism b is connected by shaft coupling 39 with the feed rod 40 of right gear train c, and described basic platform a, left column 9, right column 29 and crossbeam 16 form closed frame.
Further: described basic platform a also comprises multiple leveling parallels 2, the lower surface of basic platform a is provided with multiple leveling parallels 2.
Further: described left column 9 and right column 29 are A font pillar construction.Left column 9 and right column 29 include two oblique pull posts 3 and a horizon bar 4, two oblique pull posts 3 are arranged in splayed configuration, and the middle part of two oblique pull posts 3 is fixed together by horizon bar 4.
Further: described crossbeam 16 and be provided with between left column 9 and right column 29 and adjust pad 22.
Further: described Left Drive mechanism b comprises left socle 13, left hydraulic cylinder 14, left load sensor 17, left line slideway 33, left slide carriage 35, left screw 36 and left leading screw 37; Described left line slideway 33 is fixedly connected on crossbeam 16, left slide carriage 35 is fixedly connected on the slide block of left line slideway 33, left hydraulic cylinder 14 is fixed on left slide carriage 35 by preposition flange, left load sensor 17 is fixed on the piston rod of left hydraulic cylinder 14, the left end of described left leading screw 37 is supported on left column 9 by bearing assembly, left screw 36 coordinates with left leading screw 37, and described left screw 36 is fixed on left slide carriage 35 by left socle 13.
Further: described Left Drive mechanism b also comprises multiple left rail pressing plate 32 and multiple first jackscrew screw 45, multiple left rail pressing plate 32 points is listed in the both sides, front and back of left line slideway 33, and multiple left rail pressing plate 32 is fixed on crossbeam 16, each first jackscrew screw 45 is threaded with a left rail pressing plate 32, and the end of the first jackscrew screw 45 is resisted against on left line slideway 33 anterior end surface or rear side end face.
Further: described Left Drive mechanism b also comprises two left limit blocks 12, described left line slideway 33 be each side provided with a left limit block 12, left limit block 12 is fixedly mounted on crossbeam 16, and the lower surface of the lower surface of left limit block 12 or left limit block 12 concordant with the lower surface of left slide carriage 35 is lower than the upper surface of left slide carriage 35.
Further: described Left Drive mechanism b also comprises two left locating pieces 46 and two the first stop screws 47, described two left locating pieces 46 are fixedly mounted on the front end face of left slide carriage 35, and the upper surface of left locating piece 46 is higher than the upper surface of left slide carriage 35, each first stop screw 47 is threaded with a left locating piece 46, and the end of the first stop screw 47 is resisted against on the front end face of left line slideway 33.
Further: described left load sensor 17 is Interface pressure transducer.
Further: described right gear train c comprises right hydraulic cylinder 19, right support 23, first tie-strut 24, right load sensor 27, right line slideway 34, right slide carriage 38, feed rod 40, right leading screw 42 and right screw 43, described right line slideway 34 is fixedly connected on crossbeam 16, right slide carriage 38 is fixedly connected on the slide block of right line slideway 34, right hydraulic cylinder 19 is fixed on right slide carriage 38 by preposition flange, right load sensor 27 is fixed on the piston rod of right hydraulic cylinder 19, be set up in parallel before and after described feed rod 40 and right leading screw 42, the right-hand member of described feed rod 40 is supported on right column 29 by bearing assembly, and the right-hand member of feed rod 40 is drive end passes right column 29, the right-hand member of described right leading screw 42 is supported on right column 29 by bearing assembly, and the right-hand member of right leading screw 42 is drive end passes right column 29, the left end of described right leading screw 42 is provided with bearing assembly, the bearing seat of bearing assembly is connected with crossbeam 16 by the first tie-strut 24, right screw 43 coordinates with right leading screw 42, described right screw is fixed on right slide carriage 38 by right support 23.
Further: described right gear train c also comprises multiple right guide rail clip 7 and multiple second jackscrew screw 8, multiple right guide rail clip 7 points is listed in the both sides, front and back of right line slideway 34, and multiple right guide rail clip 7 is fixed on crossbeam 16, each second jackscrew screw 8 is threaded with a right guide rail clip 7, and the end of the second jackscrew screw 8 is resisted against on right line slideway 34 anterior end surface or rear side end face.
Further: described right gear train c also comprises two right limit blocks 10, described right line slideway 34 be each side provided with a right limit block 10, right limit block 10 is fixedly mounted on crossbeam 16, and the lower surface of the lower surface of right limit block 10 or right limit block 10 concordant with the lower surface of right slide carriage 38 is lower than the upper surface of right slide carriage 38.
Further: described right gear train c also comprises two right locating pieces 11 and two the second stop screws 15, described two right locating pieces 11 are fixedly mounted on the front end face of right slide carriage 38, and the upper surface of right locating piece 11 is higher than the upper surface of right slide carriage 38, each second stop screw 15 is threaded with a right locating piece 11, and the end of the second stop screw 15 is resisted against on the front end face of right line slideway 34.
Further: described right load sensor 27 is Interface pressure transducer.Design like this, effectively can ensure measuring accuracy.
Further: described crossbeam 16 to be also connected with the second tie-strut 26, the lower end of the second tie-strut 26 is connected with support set 28, sliding sleeve 20 is provided with in support set 28, fixed by holding screw 21 between support set 28 and sliding sleeve 20, described left leading screw 37 is through in sliding sleeve 20, and rotates in sliding sleeve 20.
Further: the drive end of described feed rod 40 and right leading screw 42 is all set with counter 25.Design like this, counter 25 is for recording the number of turns of feed rod 40 and right leading screw 42 rotation.
Further: the drive end of described feed rod 40 is connected with on the first rocking arm 18, first rocking arm 18 and is provided with first handle 30, the drive end of described right leading screw 42 is connected with on the second rocking arm 31, second rocking arm 31 and is provided with second handle 41.Design like this, is convenient to drive feed rod 40 and right leading screw 42 to rotate.Feed rod 40 also can be connected motor with the drive end of right leading screw 42, drives feed rod 40 and right leading screw 42 to rotate by motor.
Further: the stroke of described left hydraulic cylinder and right hydraulic cylinder is 0 ~ 300mm.
Further: the movement travel of described left slide carriage and right slide carriage linearly guide rail is 0 ~ 600mm.
Principle of work:
Left Drive system as shown in Figure 5, rotate first handle, left leading screw 37 drives left hydraulic cylinder 14 to move with left screw 36, and counter 25 records the number of turns that left leading screw 37 rotates, converse left hydraulic cylinder displacement by rotating the number of turns, thus left hydraulic cylinder 14 is accurately located; Right kinematic train as shown in Figure 6, rotate second handle, right leading screw 42 drives right hydraulic cylinder 19 to move with right screw 43, and counter 25 records the number of turns that right leading screw 42 rotates, converse right hydraulic cylinder displacement by rotating the number of turns, thus right hydraulic cylinder 19 is accurately located.After left hydraulic cylinder 14 and right hydraulic cylinder 19 are located, pressure oil is passed in left hydraulic cylinder 14 and right hydraulic cylinder 19, left hydraulic cylinder 14 drives left load sensor 17 pairs of bogies to load, right hydraulic cylinder 19 drives right load sensor 27 pairs of bogies to load, and can carry out sub-load as requested and load and full load loading.
The exemplary illustration of present embodiment just to this patent, does not limit its protection domain, and those skilled in the art can also change, as long as no the Spirit Essence exceeding this patent, in the protection domain of this patent its local.
Claims (9)
1. railway vehicle bogie static load test bench closed-frame charger, is characterized in that: described railway vehicle bogie static load test bench closed-frame charger comprises basic platform (a), Left Drive mechanism (b), right gear train (c) and portal frame (d), described basic platform (a) comprises main lathe bed (6) and two secondary lathe beds (5), described main lathe bed (6) is fixed on ground by foot bolt (1), and described two secondary lathe bed (5) symmetries are connected to the left and right sides of main lathe bed (6), described portal frame (d) comprises left column (9), right column (29) and crossbeam (16), described left column (9) and right column (29) left and right are set up in parallel, and the lower end of left column (9) and right column (29) is fixedly connected on two secondary lathe beds (5), crossbeam (16) is fixedly connected on the upper end of left column (9) and right column (29), described Left Drive mechanism (b) and right gear train (c) are parallel along crossbeam direction to be fixed on crossbeam (16), the left leading screw (37) of Left Drive mechanism (b) is connected by shaft coupling (39) with the feed rod (40) of right gear train (c), described basic platform (a), left column (9), right column (29) and crossbeam (16) form closed frame, described Left Drive mechanism (b) comprises left socle (13), left hydraulic cylinder (14), left load sensor (17), left line slideway (33), left slide carriage (35), left screw (36) and left leading screw (37), described left line slideway (33) is fixedly connected on crossbeam (16), left slide carriage (35) is fixedly connected on the slide block of left line slideway (33), left hydraulic cylinder (14) is fixed on left slide carriage (35) by preposition flange, left load sensor (17) is fixed on the piston rod of left hydraulic cylinder (14), the left end of described left leading screw (37) is supported on left column (9) by bearing assembly, left screw (36) coordinates with left leading screw (37), described left screw (36) is fixed on left slide carriage (35) by left socle (13).
2. railway vehicle bogie static load test bench closed-frame charger according to claim 1, is characterized in that: described right gear train (c) comprises right hydraulic cylinder (19), right support (23), the first tie-strut (24), right load sensor (27), right line slideway (34), right slide carriage (38), feed rod (40), right leading screw (42) and right screw (43), described right line slideway (34) is fixedly connected on crossbeam (16), right slide carriage (38) is fixedly connected on the slide block of right line slideway (34), right hydraulic cylinder (19) is fixed on right slide carriage (38) by preposition flange, right load sensor (27) is fixed on the piston rod of right hydraulic cylinder (19), be set up in parallel before and after described feed rod (40) and right leading screw (42), the right-hand member of described feed rod (40) is supported on right column (29) by bearing assembly, and the right-hand member of feed rod (40) is drive end passes right column (29), the right-hand member of described right leading screw (42) is supported on right column (29) by bearing assembly, and the right-hand member of right leading screw (42) is drive end passes right column (29), the left end of described right leading screw (42) is provided with bearing assembly, the bearing seat of bearing assembly is connected with crossbeam (16) by the first tie-strut (24), right screw (43) coordinates with right leading screw (42), described right screw is fixed on right slide carriage (38) by right support (23).
3. railway vehicle bogie static load test bench closed-frame charger according to claim 2, it is characterized in that: described Left Drive mechanism (b) also comprises multiple left rail pressing plate (32) and multiple first jackscrew screw (45), multiple left rail pressing plate (32) point is listed in the both sides, front and back of left line slideway (33), and multiple left rail pressing plate (32) is fixed on crossbeam (16), each first jackscrew screw (45) is threaded with a left rail pressing plate (32), and the end of the first jackscrew screw (45) is resisted against on left line slideway (33) anterior end surface or rear side end face, described right gear train (c) also comprises multiple right guide rail clip (7) and multiple second jackscrew screw (8), multiple right guide rail clip (7) point is listed in the both sides, front and back of right line slideway (34), and multiple right guide rail clip (7) is fixed on crossbeam (16), each second jackscrew screw (8) is threaded with a right guide rail clip (7), and the end of the second jackscrew screw (8) is resisted against on right line slideway (34) anterior end surface or rear side end face.
4. railway vehicle bogie static load test bench closed-frame charger according to claim 3, it is characterized in that: described Left Drive mechanism (b) also comprises two left limit blocks (12), described left line slideway (33) be each side provided with a left limit block (12), left limit block (12) is fixedly mounted on crossbeam (16), the lower surface of the lower surface of left limit block (12) or left limit block (12) concordant with the lower surface of left slide carriage (35) is lower than the upper surface of left slide carriage (35), the stroke of left slide carriage (35) is limited by left limit block (12), described right gear train (c) also comprises two right limit blocks (10), described right line slideway (34) be each side provided with a right limit block (10), right limit block (10) is fixedly mounted on crossbeam (16), the lower surface of the lower surface of right limit block (10) or right limit block (10) concordant with the lower surface of right slide carriage (38) is lower than the upper surface of right slide carriage (38).
5. railway vehicle bogie static load test bench closed-frame charger according to claim 4, it is characterized in that: described Left Drive mechanism (b) also comprises two left locating pieces (46) and two the first stop screws (47), described two left locating pieces (46) are fixedly mounted on the front end face of left slide carriage (35), and the upper surface of left locating piece (46) is higher than the upper surface of left slide carriage (35), each first stop screw (47) is threaded with a left locating piece (46), and the end of the first stop screw (47) is resisted against on the front end face of left line slideway (33), described right gear train (c) also comprises two right locating pieces (11) and two the second stop screws (15), described two right locating pieces (11) are fixedly mounted on the front end face of right slide carriage (38), and the upper surface of right locating piece (11) is higher than the upper surface of right slide carriage (38), each second stop screw (15) is threaded with a right locating piece (11), and the end of the second stop screw (15) is resisted against on the front end face of right line slideway (34).
6. railway vehicle bogie static load test bench closed-frame charger according to claim 2, is characterized in that: described left load sensor (17) and right load sensor (27) are Interface pressure transducer.
7. railway vehicle bogie static load test bench closed-frame charger according to claim 1, it is characterized in that: described left column (9) and right column (29) are A font pillar construction, left column (9) and right column (29) include two oblique pull posts (3) and a horizon bar (4), two oblique pull posts (3) are arranged in splayed configuration, and the middle part of two oblique pull posts (3) is fixed together by horizon bar (4).
8. railway vehicle bogie static load test bench closed-frame charger according to claim 1, it is characterized in that: described crossbeam (16) is also connected with the second tie-strut (26), the lower end of the second tie-strut (26) is connected with support set (28), sliding sleeve (20) is provided with in support set (28), fixed by holding screw (21) between support set (28) and sliding sleeve (20), described left leading screw (37) is through in sliding sleeve (20), and rotates in sliding sleeve (20).
9. railway vehicle bogie static load test bench closed-frame charger according to claim 5, is characterized in that: the drive end of described feed rod (40) and right leading screw (42) is all set with counter (25); The drive end of described feed rod (40) is connected with the first rocking arm (18), first rocking arm (18) is provided with first handle (30), the drive end of described right leading screw (42) is connected with the second rocking arm (31), the second rocking arm (31) is provided with second handle (41).
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| CN201310428443.6A CN103439124B (en) | 2013-09-18 | 2013-09-18 | Railway vehicle bogie static load test bench closed-frame charger |
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| CN104048838A (en) * | 2014-05-22 | 2014-09-17 | 中国建筑股份有限公司 | Multi-dimensional static loading device |
| CN105258961B (en) * | 2015-10-21 | 2017-10-20 | 重庆长征重工有限责任公司 | Rail traffic vehicles truck side frame limit vertical load experimental rig |
| CN105243934B (en) * | 2015-10-27 | 2017-11-10 | 大连理工大学 | A kind of experiment device for teaching for intuitively changing force method |
| CN110631829A (en) * | 2019-10-24 | 2019-12-31 | 北京华横科技有限公司 | Static load test bed for jack |
| CN113719537A (en) * | 2021-08-03 | 2021-11-30 | 九江精密测试技术研究所 | Linear translation device |
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| KR100572197B1 (en) * | 2003-10-15 | 2006-04-18 | 한국철도기술연구원 | Load testing system of bogie frame for rolling stock |
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| CN101813550A (en) * | 2009-11-05 | 2010-08-25 | 吉林大学 | Integrated dynamic testboard of parameter of bogie of railway car |
| CN201876366U (en) * | 2010-09-27 | 2011-06-22 | 北京新联铁科技发展有限公司 | Static load test table for bogie of railway vehicle |
| CN203422233U (en) * | 2013-09-18 | 2014-02-05 | 哈尔滨广瀚新能动力有限公司 | Loading apparatus of rail vehicle bogie static load testing stand |
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2013
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