CN109374319B - Ton bearing device and single-shaft steering overhead vehicle height detection method used by same - Google Patents
Ton bearing device and single-shaft steering overhead vehicle height detection method used by same Download PDFInfo
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- CN109374319B CN109374319B CN201811149045.XA CN201811149045A CN109374319B CN 109374319 B CN109374319 B CN 109374319B CN 201811149045 A CN201811149045 A CN 201811149045A CN 109374319 B CN109374319 B CN 109374319B
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Abstract
The invention relates to a ton-pressing bearing device and a single-shaft steering overhead vehicle height detection method used by the same, wherein the ton-pressing bearing device comprises: a carrier plate; the main pressure head connecting seat is arranged at the top of the bearing plate, and the axial lead of the main pressure head connecting seat is superposed with the axial lead of the bearing plate; the main pressure head fastening bolts spirally penetrate through the side wall of the main pressure head connecting seat and extend into the main pressure head connecting seat; the two pressure dividing head connecting seats are symmetrically arranged on the bearing plate; and four pressure dividing heads, wherein every two pressure dividing heads are symmetrically arranged on the pressure dividing head connecting seat by taking each longitudinal rod as an axis. In the ton bearing device provided by the invention, the H-shaped pressure dividing head connecting seat capable of sliding along the length direction of the bearing plate is arranged, and the pressure dividing head capable of sliding along the width direction of the pressure dividing head connecting seat is arranged on the H-shaped pressure dividing head connecting seat, so that an operator can reasonably adjust the pressure dividing head according to the distance between the side bearings, and vertical loads are transmitted to the side bearings to carry out ton bearing experiments.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a load bearing device and a single-shaft steering overhead vehicle height detection method used by the load bearing device.
Background
Along with the clear development of multi-type intermodal transportation systems such as sea-iron intermodal transportation, molten iron intermodal transportation, road-iron intermodal transportation, land-air intermodal transportation and the like in the middle and long-term logistics development planning (2014-2020) issued by State academy [2014]42, the strategic opportunity period is welcomed by the development of the multi-type intermodal transportation in China.
The multi-type intermodal freight car is an important intermodal tool in road and railway intermodal transportation, and as an important part in the freight car, most of freight car steering frames operated on railway lines in China are two-axis, three-axis and multi-axis center plate bearing structures.
With the development of technology, new single-axle bogies are increasingly being developed and utilized. As a welded bogie frame type railway wagon bogie with a side bearing structure, the novel single-shaft bogie has the advantages of small dead weight, high effective load rate, high conversion efficiency, strong small-radius curve passing capability and the like compared with the traditional hinged two-shaft, three-shaft and multi-shaft bogie of the combined transportation dual-purpose vehicle in China.
In the production process, after the bogie is manufactured, a tonnage test is carried out under the working condition of the empty vehicle load of the vehicle body to detect the height of the empty vehicle of the bogie, and the shock absorption rigidity, the bearing rigidity, the part size chain, the assembling quality of the bogie and the performance indexes such as the height of a vehicle body coupler and the like of the bogie in the design and manufacturing processes are verified.
However, two axles, triaxial and multiaxis formula freight train bogie are heart dish bearing structure, and above-mentioned bearing structure loading face is single, and novel unipolar bogie is that the side bearing bears and unipolar unstable structure, and its loading face is many, and unipolar structural stability is poor during the pressure ton, and the pressure ton machine that general manufacture adopted is single pressure head, consequently, how to realize novel unipolar bogie height detection under the prerequisite that does not increase the cost input on a large scale, is the problem that the popularization and utilization this type of structure bogie in-process manufacture factory urgently needed to solve.
Disclosure of Invention
Aiming at the problems existing in the existing single-shaft steering overhead vehicle height detection, the invention provides a ton pressing bearing device and a single-shaft steering overhead vehicle height detection method used by the ton pressing bearing device, and aims to provide a method and a device for carrying out a ton pressing experiment by effectively utilizing the existing single-pressure head ton pressing machine.
The specific technical scheme is as follows:
a first aspect of the present invention provides a ton load bearing device having the features comprising:
the bearing plate is used for bearing the vertical load of the tonnage press;
the main pressure head connecting seat is arranged at the top of the bearing plate, and the axial lead of the main pressure head connecting seat is superposed with the axial lead of the bearing plate;
the main pressure head fastening bolts are used for fastening a main pressure head of the tonnage pressing machine into the main pressure head connecting seat, and the main pressure head fastening bolts spirally penetrate through the side wall of the main pressure head connecting seat and extend into the main pressure head connecting seat;
the two pressure dividing head connecting seats are symmetrically arranged on the bearing plate and comprise two cross rods which are oppositely arranged and a longitudinal rod connected between the two cross rods, and the longitudinal rod can slide along the length direction of the bearing plate and is fastened on the bearing plate; and
four divide the pressure head, every two divide the pressure head to use each vertical pole to set up on dividing the pressure head connecting seat as the axis symmetry, and divide the pressure head to slide along the horizontal pole.
The ton-pressing bearing device is characterized in that the bearing plate is provided with two waist-shaped holes, the waist-shaped holes extend along the length direction of the bearing plate, and the longitudinal rod can slide along the length direction of the waist-shaped holes and is fastened on the bearing plate through fastening bolts penetrating through the waist-shaped holes.
The ton pressure bearing device is characterized in that a brim is arranged at the top of the pressure dividing head, and the pressure dividing head is clamped between the two cross rods through the brim.
Foretell pressure ton bears device still has such characteristic, and main pressure head fastening bolt's figure is two, and two main pressure head fastening bolt symmetries are located on the main pressure head connecting seat.
The second aspect of the present invention provides a method for detecting the height of a single-axle bogie truck using the above-mentioned load bearing device, which is characterized by comprising the following steps:
1) starting the computer and the ton press, confirming the state of the ton press and carrying out daily performance verification on the ton press;
2) hanging the ton pressing bearing device on a ton pressing machine main pressing head through a main pressing head connecting seat by using a main pressing head fastening bolt;
3) respectively installing the two unbalance-loading prevention devices on the instability side of the single-shaft bogie to be detected, and adjusting the height of the unbalance-loading prevention devices to enable the inclination height difference between the transverse center of the same upper plane of the bogie frame and the unbalance-loading prevention device to be larger than the theoretical descending height of the bogie frame when the load of the empty vehicle is loaded;
4) pushing the single-shaft bogie to be detected into a detection station, adjusting the longitudinal relative positions of the two side pressure dividing head connecting seats according to the track gauge, and adjusting the transverse positions of the two pressure dividing heads on the pressure dividing head connecting seats according to the transverse distance of the same side bearing, so that the axial lead of each side bearing in the single-shaft bogie to be detected is superposed with the axial lead of each pressure dividing head of the bearing device;
5) setting the load F of the single-axle bogie to be detected, the empty vehicle height standard value H and the compensation height H of the bearing device in computer detection software1And then the computer controls the hydraulic station to provide pressure for a main pressure head of the tonnage press, the pressure dividing head abuts against a pressure center plate surface to force a bogie spring to compress, the computer monitors the whole process in real time through a pressure sensor and a displacement sensor, and the initial position displacement of the pressure dividing head is calculated to be 0 percent, and the rail surface height of the initial pressure dividing head is h2When the load reaches a set value F, the system automatically records the descending displacement s of the pressure dividing head at the moment, and converts and outputs the actually measured empty vehicle height h, wherein h is h2-h1And s, automatically judging whether the tolerance band conforms to the empty vehicle high standard value H by the computer according to H, simultaneously controlling the hydraulic station to reduce the pressure by the computer, raising the main pressure head, and finishing the pressure ton test.
The height standard value H of the empty wagon of the invention contains upper and lower limit deviation, and the compensation height H1 of the bearing device is the height value from the bottom of the inner cavity of the main pressure head connecting seat to the side bearing matching surface of the pressure dividing head.
The beneficial effect of above-mentioned scheme is:
in the ton pressing bearing device provided by the invention, the H-shaped pressure dividing head connecting seat capable of sliding along the length direction of the bearing plate is arranged, and the pressure dividing head capable of sliding along the width direction of the pressure dividing head connecting seat is arranged on the H-shaped pressure dividing head connecting seat, so that an operator can reasonably adjust the pressure dividing head according to the distance between the side bearings, and vertical loads on the main pressure head of the ton pressing machine are transferred to the side bearings to carry out ton pressing experiments. The ton-pressing bearing device provided by the invention has the advantages of simple structure and practical function.
Drawings
Fig. 1 is a schematic top view of a tonnage plane loading device provided in an embodiment of the invention;
fig. 2 is a schematic diagram illustrating a detection of an empty vehicle height by using a tonnage device according to an embodiment of the present invention.
In the drawings: 1. a carrier plate; 2. a main ram connecting seat; 3. a main pressure head fastening bolt; 4. a pressure divider connecting seat; 41. a cross bar; 42. a longitudinal bar; 5. a pressure dividing head; 6. a waist-shaped hole; 7. a ton press; 8. a main pressure head of the tonnage press; 9. an anti-unbalance loading device; 10. and (5) detecting the single-shaft bogie.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a schematic top view of a tonnage plane loading device according to an embodiment of the present invention. As shown in fig. 1, a tonnage press loading device provided in an embodiment of the present invention includes: the loading plate 1 is used for loading vertical loads of the tonnage presses; the main pressure head connecting seat 2 is arranged at the top of the bearing plate 1, and the axial lead of the main pressure head connecting seat 2 is superposed with the axial lead of the bearing plate 1; the two main pressure head fastening bolts 3 are used for fastening a main pressure head of the tonnage pressing machine in the main pressure head connecting seat 2, and the main pressure head fastening bolts 3 spirally penetrate through the side wall of the main pressure head connecting seat 2 and extend into the main pressure head connecting seat 2; the pressure dividing head connecting seats 4 are H-shaped, the two pressure dividing head connecting seats 4 are symmetrically arranged on the bearing plate 1, each pressure dividing head connecting seat 4 comprises two cross rods 41 which are oppositely arranged and a longitudinal rod 42 connected between the two cross rods 41, the longitudinal rod 42 can slide along the length direction of the bearing plate 1 and is fastened on the bearing plate 1, and the cross rods 41 are arranged in an extending manner along the width direction of the bearing plate 1; and four pressure dividing heads 5, wherein every two pressure dividing heads 5 are symmetrically arranged on the pressure dividing head connecting base 4 by taking each longitudinal rod 42 as an axis, and the pressure dividing heads 5 can slide along the cross rods 41, specifically, the top of the pressure dividing head 5 is provided with a cap edge, and the pressure dividing head 5 is clamped between the two cross rods 41 through the cap edge, so that the pressure dividing head can slide along the width direction of the pressure dividing head connecting base 2.
According to the invention, the bearing plate 1 is used for bearing the vertical load of the tonnage compressor, and the vertical load is transmitted to each side bearing of the single-shaft bogie through the pressure dividing head 5 at the bottom of the bearing plate 1.
Specifically, two waist-shaped holes 6 are formed in the bearing plate 1, the waist-shaped holes 6 extend along the length direction of the bearing plate 1, the longitudinal rod 42 can slide along the length direction of the waist-shaped holes 6 and is fastened on the bearing plate 1 through fastening bolts penetrating through the waist-shaped holes 6, an operator can adjust the distance between the pressure dividing head connecting seats 2 according to the track gauge by arranging the waist-shaped holes 6, and then the distance between the pressure dividing heads 5 on the pressure dividing head connecting seats 2 is adjusted by matching with the distance between the side bearings, so that the requirement of a pressure ton experiment is met.
The method for detecting the height of the single-axle steering overhead vehicle by using the ton-pressing bearing device comprises the following steps:
1) starting the computer and the ton press 7, confirming the state of the ton press 7 and carrying out daily performance verification on the ton press 7;
2) hanging the ton pressing bearing device on a ton pressing machine main pressing head 8 through a main pressing head connecting seat 2 by using a main pressing head fastening bolt 3, and requiring the center of the main pressing head connecting seat 2 to coincide with a center marking line of a ton pressing machine 7 along the rail direction;
3) respectively installing the two unbalance-loading prevention devices 9 on the instability side of the single-shaft bogie 10 to be detected, and adjusting the heights of the unbalance-loading prevention devices 9 to ensure that the inclination height difference between the transverse center of the same upper plane of the bogie frame and the unbalance-loading prevention device 9 is greater than the theoretical descending height of the bogie frame under the empty vehicle load;
4) pushing the single-shaft bogie 10 to be detected into a detection station, adjusting the longitudinal relative positions of the two side pressure dividing head connecting seats 4 according to the track gauge, adjusting the transverse positions of the two pressure dividing heads 5 on the pressure dividing head connecting seats 4 according to the transverse distance of the same side bearing, and ensuring that the axial lead of each side bearing in the single-shaft bogie 10 to be detected is superposed with the axial lead of each pressure dividing head 5 of the bearing device as far as possible;
5) setting the load F of the single-axle bogie 10 to be detected, the empty vehicle height standard value H (including upper and lower limit deviation) and the compensation height H of the bearing device in computer detection software1(namely the height value from the bottom surface of the inner cavity of the main pressure head connecting seat 2 to the side bearing matching surface of the pressure dividing head 5), the computer is used for controlling the hydraulic station to provide pressure for the main pressure head 8 of the tonnage press, the pressure dividing head 5 is abutted against the pressure center disc surface to force the bogie spring to compress, the computer monitors the whole process in real time through the pressure and displacement sensors, and the initial position displacement of the pressure dividing head 5 is calculated to be 0', and the height of the rail surface of the initial pressure dividing head 5 is h2When the load reaches a set value F, the system automatically records the descending displacement s of the pressure head 5, and converts and outputs the actually measured empty vehicle height h, wherein h is h2-h1And s, automatically judging whether the tolerance band conforms to the empty vehicle high standard value H by the computer according to H, simultaneously controlling the hydraulic station to reduce the pressure by the computer, raising the main pressure head, and finishing the pressure ton test.
The anti-unbalance-loading device can be a commercially available anti-unbalance-loading device or a self-made anti-unbalance-loading device, the self-made anti-unbalance-loading device comprises an L-shaped mounting plate, a hydraulic supporting rod and a roller, the mounting plate comprises a transverse plate and a longitudinal plate, one end of the longitudinal plate is connected to the transverse plate, one end of the hydraulic supporting rod is connected to the bottom of the transverse plate, the other end of the hydraulic supporting rod is rotatably connected with the roller, and when the transverse plate supports a framework of the single-axle bogie 10 to be detected, the longitudinal plate can be fastened on the single-axle.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. A ton load bearing device, comprising:
a bearing plate (1) for bearing the vertical load of the tonnage machine;
the main pressure head connecting seat (2) is arranged at the top of the bearing plate (1), and the axial lead of the main pressure head connecting seat (2) is superposed with the axial lead of the bearing plate (1);
a plurality of main ram fastening bolts (3) for fastening a main ram of a tonnage press in the main ram connecting seat (2), the main ram fastening bolts (3) spirally passing through a side wall of the main ram connecting seat (2) and extending into the main ram connecting seat (2);
the two pressure dividing head connecting seats (4) are symmetrically arranged on the bearing plate (1), each pressure dividing head connecting seat (4) comprises two cross rods (41) which are oppositely arranged and a longitudinal rod (42) connected between the two cross rods (41), and the longitudinal rod (42) can slide along the length direction of the bearing plate (1) and is fastened on the bearing plate (1); and
four divide pressure head (5), every two divide pressure head (5) with each vertical pole (42) set up as the axis symmetry divide on pressure head connecting seat (4), just divide pressure head (5) can be followed horizontal pole (41) slide.
2. The ton load carrier according to claim 1, characterized in that two waist-shaped holes (6) are provided on the carrier plate (1), the waist-shaped holes (6) extend along the length direction of the carrier plate (1), and the vertical rod (42) can slide along the length direction of the waist-shaped holes (6) and is fastened on the carrier plate (1) through fastening bolts inserted into the waist-shaped holes (6).
3. The ton load carrier according to claim 1 or 2, characterized in that the top of the pressure distributing head (5) is provided with a brim by which the pressure distributing head (5) is clamped between the two cross bars (41).
4. The ton load carrier according to claim 1 or 2, characterized in that the number of the primary ram fastening bolts (3) is two, and two primary ram fastening bolts (3) are symmetrically arranged on the primary ram connecting seat (2).
5. A method for detecting the height of a single-axle bogie truck using the ton load carrier according to any one of claims 1 to 4, comprising the steps of:
1) starting a computer and a tonnage compressor (7), confirming the state of the tonnage compressor (7) and carrying out daily performance verification on the tonnage compressor (7);
2) the ton pressing bearing device is hung on a ton pressing machine main pressing head (8) through a main pressing head connecting seat (2) by using a main pressing head fastening bolt (3);
3) respectively installing two unbalance-loading prevention devices (9) on the instability side of a single-shaft bogie (10) to be detected, and adjusting the height of each unbalance-loading prevention device (9) to ensure that the inclined height difference between the transverse center of the same upper plane of the framework of the single-shaft bogie (10) to be detected and the position of each unbalance-loading prevention device (9) is greater than the theoretical descending height of the framework of the bogie when the load of an empty vehicle is loaded;
4) pushing the single-shaft bogie (10) to be detected into a detection station, adjusting the longitudinal relative positions of the two side pressure dividing head connecting seats (4) according to the track gauge, and adjusting the transverse positions of the two pressure dividing heads (5) on the pressure dividing head connecting seats (4) according to the transverse distance of the same side bearing, so that the axial lead of each side bearing in the single-shaft bogie (10) to be detected is superposed with the axial lead of each pressure dividing head (5) of the bearing device;
5) setting the load F of the single-axle bogie (10) to be detected, the empty vehicle height standard value H and the compensation height H of the bearing device in computer detection software1Then the computer controls the hydraulic station to provide pressure for a main pressure head (8) of the tonnage press, the sub-pressure head (5) presses against the center plate surface to force the bogie spring to compress, and the computer controls the hydraulic station to provide pressure for the main pressure head of the tonnage press through pressure summationThe displacement sensor monitors the whole process in real time, and calculates that the initial position displacement of the pressure dividing head (5) is 0 and the rail surface height of the initial pressure dividing head (5) is h2When the load reaches a set value F, the system automatically records the descending displacement s of the time division pressure head (5), and converts and outputs the actually measured empty vehicle height h, wherein h is h2-h1And s, automatically judging whether the tolerance band conforms to the empty vehicle high standard value H by the computer according to H, simultaneously controlling the hydraulic station to reduce the pressure by the computer, raising the main pressure head, and finishing the pressure ton test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149045.XA CN109374319B (en) | 2018-09-29 | 2018-09-29 | Ton bearing device and single-shaft steering overhead vehicle height detection method used by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149045.XA CN109374319B (en) | 2018-09-29 | 2018-09-29 | Ton bearing device and single-shaft steering overhead vehicle height detection method used by same |
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| Publication Number | Publication Date |
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| CN109374319A CN109374319A (en) | 2019-02-22 |
| CN109374319B true CN109374319B (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811149045.XA Active CN109374319B (en) | 2018-09-29 | 2018-09-29 | Ton bearing device and single-shaft steering overhead vehicle height detection method used by same |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2243531C2 (en) * | 2003-03-17 | 2004-12-27 | Фгуп "По Уралвагонзавод" Им. Ф.Э. Дзержинского | Stand for static and quasi-static tests of railway rolling stock bogies |
| KR101414443B1 (en) * | 2012-12-07 | 2014-07-04 | 주식회사 인팩 | Suspension actuator test device for vehicle |
| CN104614238B (en) * | 2015-01-20 | 2017-07-11 | 南京航空航天大学 | A kind of load distribution loading device |
| CN105758658B (en) * | 2016-04-15 | 2018-02-09 | 清华大学 | A kind of experiment loading unit that can realize the more point loading distribution of large scale model |
| CN206132503U (en) * | 2016-11-02 | 2017-04-26 | 陕西科技大学 | Laboratory bench is with distributed load loading device |
| RU2658510C1 (en) * | 2017-01-10 | 2018-06-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования Иркутский государственный университет путей сообщения (ФГБОУ ВО ИрГУПС) | Test bench for the wheel with rail power interaction level and nature evaluation |
| CN206804308U (en) * | 2017-05-24 | 2017-12-26 | 襄阳国铁机电股份有限公司 | A kind of tramcar bogie static-load testing device |
| CN107449619B (en) * | 2017-07-31 | 2019-11-19 | 集美大学 | A kind of suspension system test equipment of dynamic load |
| CN207472655U (en) * | 2017-10-28 | 2018-06-08 | 大连理工大学 | A kind of multi-grade lever loading experimental apparatus |
| CN108827672A (en) * | 2018-03-29 | 2018-11-16 | 中国矿业大学 | Multi-point equispaced load flexible connection space multistage distribution beam system and its implementation method |
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