CN114919617A - Method for positioning different surfaces of fixed lever fulcrum base of meter-rail control type bogie - Google Patents
Method for positioning different surfaces of fixed lever fulcrum base of meter-rail control type bogie Download PDFInfo
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- CN114919617A CN114919617A CN202210570593.XA CN202210570593A CN114919617A CN 114919617 A CN114919617 A CN 114919617A CN 202210570593 A CN202210570593 A CN 202210570593A CN 114919617 A CN114919617 A CN 114919617A
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- fixed lever
- lever fulcrum
- positioning
- control type
- fulcrum seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/34—Details
- B61H13/38—Suspension of transmitting mechanisms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses a method for positioning different surfaces of fixed lever fulcrum seats of a meter gauge control type bogie, wherein two fixed lever fulcrum seats are used for being welded with a swing bolster of the meter gauge control type bogie, and each fixed lever fulcrum seat is provided with a through hole matched with a brake lever, and the method comprises the following steps: the positioning support is provided, the positioning support is provided with the positioning pin and the limiting pin, the positioning pin is inserted into a central hole of a center plate of the swing bolster, the fixed lever fulcrum seat is sleeved on the limiting pin through the through hole, and a welding surface of the fixed lever fulcrum seat is attached to the side surface of the swing bolster and welded.
Description
Technical Field
The invention belongs to the technical field of railway wagon brake systems, and particularly relates to a method for positioning different surfaces of a fixed lever fulcrum seat of a meter-rail control type bogie.
Background
The control of a railway freight car brake system is an important part directly influencing the running safety, and a brake lever part in the brake system is arranged on a swing bolster of a bogie. The position precision of a fixed lever fulcrum seat of the brake lever directly influences the realization of the function of the brake system. The swing bolster is in an irregular symmetrical shape, and the brake lever fixing lever fulcrum seat is fixed on the swing bolster by adopting a welding method. The prior art generally adopts a manual marking method, as shown in fig. 1, the manual marking method has long working period and low efficiency, each working step has accumulated errors, and the manual marking method is influenced by a plurality of manual interference factors.
Disclosure of Invention
The invention aims to provide a method for positioning the different surfaces of the fulcrum seats of the fixed levers of the rice-rail control type bogie, aiming at the defects in the prior art.
In order to achieve the above object, the present invention provides a method for positioning different surfaces of fixed lever fulcrum seats of a meter gauge control type bogie, wherein two fixed lever fulcrum seats are used for welding with a bolster of the meter gauge control type bogie, and each fixed lever fulcrum seat is provided with a through hole matched with a brake lever, and the method comprises:
providing a positioning bracket, wherein a positioning pin and a limiting pin are arranged on the positioning bracket;
inserting the positioning pin into a central hole of a core plate of the swing bolster;
sleeving the fixed lever fulcrum seat on the limiting pin through the through hole;
and (3) attaching the welding surface of the fixed lever fulcrum seat to the side surface of the swing bolster and welding.
Optionally, the positioning bracket comprises:
the positioning pin is arranged in the middle of the cross rod;
the two longitudinal rods are respectively arranged at two ends of the transverse rod, connecting rods are respectively arranged at one ends of the two longitudinal rods, which are far away from the transverse rod, connecting holes are arranged at one ends of the connecting rods, which are far away from the longitudinal rods, and the axes of the two connecting holes are superposed and parallel to the transverse rod;
the limiting pin is arranged in the connecting hole in a penetrating mode.
Optionally, the cross-section of the cross-bar and the cross-bar is L-shaped.
Optionally, the cross bar, the longitudinal bar and the connecting bar are perpendicular to each other.
Optionally, the side wall of the swing bolster is provided with a connecting surface matched with the fixed lever fulcrum seat, and the connecting surface is perpendicular to the base surface of the core plate.
Optionally, a nut is threadedly connected to the limit pin.
Optionally, the method further comprises machining a side wall of the swing bolster to obtain a connecting surface matched with the fixed lever fulcrum seat.
Optionally, the processing the side wall of the swing bolster to obtain the connection surface matched with the fixed lever fulcrum seat includes:
processing the side wall of the swing bolster to obtain two connecting surfaces;
and processing the connecting surface to enable the projection of the bottom of the rolling fulcrum seat to be positioned inside the connecting surface.
Optionally, the attaching and welding the welding surface of the fixed lever fulcrum seat to the side surface of the bolster includes:
spot welding and positioning the periphery of the fixed lever fulcrum seat;
removing the positioning bracket;
and welding the fixed lever fulcrum seat and the swing bolster into a whole.
Optionally, the method further comprises:
judging the distance between the bottom of the fixed lever fulcrum seat and the connecting surface;
if the distance between the bottom of the fixed lever fulcrum seat and the connecting surface is more than or equal to 0, directly welding;
and if the distance between the bottom of the fixed lever fulcrum seat and the connecting surface is less than 0, welding the fixed lever fulcrum seat until the distance between the connecting surface and the bottom of the fixed lever fulcrum seat and the connecting surface is not less than 0.
The invention provides a method for positioning different surfaces of a fulcrum seat of a fixed lever of a rice-rail control type bogie, which has the beneficial effects that:
1. according to the method for positioning the different surfaces of the fulcrum seat of the fixed lever of the meter gauge control type bogie, the complicated marking process flow is omitted, the labor intensity is reduced, and meanwhile, the positioning support is utilized to ensure that the distance between the two through holes and the central hole is constant, and the precision is ensured.
2. The method for positioning the different surfaces of the fulcrum seats of the fixed levers of the meter gauge control type bogie is little interfered by artificial factors, when light is poor or the vision of workers is degraded, the product quality can be guaranteed, the measurement can be completed by using the device for 2-3 minutes, 30 swing pillows are used for 1-1.5 hours, and the time can be saved by more than 1 hour in a single day.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings, wherein like reference numerals generally represent like parts in the exemplary embodiments of the present invention.
Fig. 1 shows a flow diagram of a prior art manual scribe.
Fig. 2 shows a schematic view of a prior art bolster structure.
Fig. 3 is a schematic diagram showing the use of the positioning bracket of the method for positioning the fulcrum seat of the fixed lever of the rice-rail control type bogie in an out-of-plane manner according to one embodiment of the invention.
Fig. 4 shows a schematic structural diagram of a positioning bracket of a method for positioning a fixed lever fulcrum seat out-of-plane of a meter gauge control type bogie according to an embodiment of the invention.
Description of reference numerals:
1. a cross bar; 2. a longitudinal bar; 3. a connecting rod; 4. connecting holes; 5. fixing a lever fulcrum seat; 6. a via hole; 7. a swing bolster; 8. a core plate; 9. positioning pins; 10. and a restricting pin.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
FIG. 3 is a schematic diagram illustrating the use of a positioning bracket for a method of positioning the fulcrum seats of a rice-rail-controlled bogie fixed lever out-of-plane according to an embodiment of the invention; fig. 4 shows a schematic structural diagram of a positioning bracket of a method for positioning a fixed lever fulcrum seat out-of-plane of a meter gauge control type bogie according to an embodiment of the invention.
As shown in fig. 3-4, a method for positioning the fixed lever fulcrum seats of a meter gauge control type bogie in different planes, two fixed lever fulcrum seats 5 are used for being welded with a swing bolster 7, each fixed lever fulcrum seat 5 is provided with a through hole 6 matched with a brake lever, and the method comprises the following steps:
providing a positioning bracket, wherein a positioning pin 9 and a limiting pin 10 are arranged on the positioning bracket;
inserting a positioning pin 9 into a central hole of a core disc 8 of the swing bolster 7;
sleeving a fixed lever fulcrum seat 5 on a limiting pin 10 through a through hole 6;
and (3) attaching the welding surface of the fixed lever fulcrum seat 5 to the side surface of the swing bolster 7 and welding.
Specifically, a positioning support is obtained firstly, and the positioning support is utilized to enable the relative position relationship between the positioning pin 9 and the two connecting holes 4 to accord with the set relative position relationship between the via hole 6 and the central hole; then, a positioning pin 9 and a limiting pin 10 are inserted, the positioning efficiency is improved by using a method for positioning the different surfaces of the fixed lever fulcrum seats of the meter gauge control type bogie, the positions of the through holes 6 and the central holes of the two fixed lever fulcrum seats 5 are ensured to be mutually accurate and stable when the fixed lever fulcrum seats 5 are welded with the swing bolster 7, manual scribing welding is not needed, and the working efficiency is improved.
Further, the positioning pin 9 is inserted into the center hole of the core disc 8 until the cross rod 1 is attached to the core disc 8, and the center hole is axially positioned.
In this embodiment, the positioning bracket includes:
the cross bar 1 and the positioning pin 9 are arranged in the middle of the cross bar 1;
the two longitudinal rods 2 are respectively arranged at two ends of the transverse rod 1, one ends of the two longitudinal rods 2, which are far away from the transverse rod 1, are respectively provided with a connecting rod 3, one ends of the connecting rods 3, which are far away from the longitudinal rods 2, are provided with connecting holes 4, and the axes of the two connecting holes 4 are superposed and are parallel to the transverse rod 1;
and a limiting pin 10, wherein the limiting pin 10 is arranged in the connecting hole 4 in a penetrating way.
Specifically, the relative position relation of the positioning pin 9 and the two connecting holes 4 accords with the set relative position relation of the through hole 6 and the center hole, the positioning reference is connected with the center hole of the center plate 8 through the positioning pin 9, the relative position constancy of the connecting holes 4 and the center hole is ensured through the fixed connection of the transverse rod 1, the longitudinal rod 2 and the connecting rod 3, the bottom of the fixed lever fulcrum seat 5 is connected on the side wall of the swing bolster 7, the through hole 6 at the top of the fixed lever fulcrum seat 5 penetrates through the limiting pin 10 and is arranged with the connecting hole 4 in a penetrating manner, the positioning of the fixed lever fulcrum seat 5 is realized, the quick and accurate installation of the fixed lever fulcrum seat 5 is ensured, and the reduction of precision caused by the abnormal surface scribing of the abnormal body is avoided.
Furthermore, a level gauge is further arranged and used for guaranteeing the level of the beam and the ground, the separated ends of the two fixed lever fulcrum seats 5 are respectively attached to the adjacent ends of the two connecting rods 3, and one end of the limiting pin 10 sequentially penetrates through the connecting hole 4 and the through hole 6 to be exposed.
In the present embodiment, the cross-section of the crossbar 1 and the side rails 2 is L-shaped.
Specifically, the support strength is ensured through the L-shaped section, and deformation is avoided.
Furthermore, an oblique beam can be arranged between the longitudinal rod 2 and the transverse rod 1 to increase the connection stability.
In the present embodiment, the cross bar 1, the longitudinal bar 2 and the connecting bar 3 are perpendicular to each other.
In this embodiment, the side wall of the bolster 7 is provided with a connecting surface that mates with the fixed lever fulcrum seat 5, the connecting surface being perpendicular to the base surface of the core 8.
Specifically, the surface of the connecting surface is smooth and is conveniently welded with the bottom of the fixed lever fulcrum seat 5 through the connecting surface.
In the present embodiment, a nut is screwed to the restricting pin 10.
Specifically, the connecting rod 3 and the fixed lever fulcrum seat 5 are fixed through the nut matched with the limiting pin 10, so that the separation of the connecting rod and the fixed lever fulcrum seat is avoided, and the distance between the two fixed lever fulcrum seats 5 is changed.
In this embodiment, the method further comprises machining the side wall of the bolster 7 to obtain a connecting surface matched with the fixed lever fulcrum seat 5.
Specifically, a joint surface is machined in advance in the side wall of the bolster 7 for welding.
In this embodiment, processing the side wall of the bolster 7 to obtain the connection surface matched with the fixed lever fulcrum seat 5 includes:
processing the side wall of the swing bolster 7 to obtain two connecting surfaces;
and processing the connecting surface to enable the projection of the bottom of the rolling fulcrum seat to be positioned inside the connecting surface.
Specifically, the bottom of the fixed lever fulcrum seat 5 is positioned in the connecting surface, so that the welding is convenient.
Further, the joint faces are machined so that they are perpendicular to the base plane of the core 8 and both joint faces lie in the same plane.
In the embodiment, the welding surface of the fixed lever fulcrum seat 5 is attached to the side surface of the swing bolster 7 and welded:
spot welding and positioning the periphery of the fixed lever fulcrum seat 5;
dismantling the positioning bracket;
and welding the fixed lever fulcrum seat 5 and the swing bolster 7 into a whole.
Specifically, spot welding is firstly used for positioning, the method for positioning the different surfaces of the fixed lever fulcrum seat of the meter gauge control type bogie is removed, and then welding is strengthened.
In this embodiment, the method further includes:
judging the distance between the bottom of the fixed lever fulcrum seat 5 and the connecting surface;
if the distance between the bottom of the fixed lever fulcrum seat 5 and the connecting surface is more than or equal to 0, the fixed lever fulcrum seat is directly welded;
if the distance between the bottom of the fixed lever fulcrum seat 5 and the connecting surface is less than 0, the fixed lever fulcrum seat is welded until the distance between the connecting surface and the bottom of the fixed lever fulcrum seat 5 is more than or equal to 0.
Specifically, the connection surface is adaptively adjusted according to the size of the fixed lever fulcrum seat 5.
When the method for positioning the fixed lever fulcrum seat different surfaces of the meter gauge control type bogie is used:
inserting a positioning pin 9 into the central hole of the core plate 8 until the cross rod 1 is attached to the core plate 8;
a limiting pin 10 penetrates through the connecting hole 4 and the through hole 6, so that the fixed lever fulcrum seat 5 is attached to the connecting rod 3;
fitting the bottom of the fixed lever fulcrum seat 5 with the side wall of the swing bolster 7, and planning the range of a connecting surface;
dismantling the positioning method of the fixed lever fulcrum seat different surface of the meter gauge control type bogie, and processing the side wall of the swing bolster 7 to obtain a connecting surface matched with the fixed lever fulcrum seat 5;
and inserting the positioning pin 9 into the center hole of the center plate 8 until the cross rod 1 is attached to the center plate 8, adjusting the bottom of the fixed lever fulcrum seat 5 to be attached to the connecting surface, and welding the bottom of the fixed lever fulcrum seat 5 and the connecting surface into a whole.
While embodiments of the present invention have been described above, the above description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The utility model provides a rice rail control type bogie fixed lever fulcrum seat antarafacial positioning method, two fixed lever fulcrum seat be used for with the bolster welding of rice rail control type bogie, every be provided with a via hole with brake lever matched with on the fixed lever fulcrum seat, its characterized in that, this method includes:
providing a positioning bracket, wherein a positioning pin and a limiting pin are arranged on the positioning bracket;
inserting the positioning pin into a central hole of a core plate of the swing bolster;
sleeving the fixed lever fulcrum seat on the limiting pin through the through hole;
and (3) attaching the welding surface of the fixed lever fulcrum seat to the side surface of the swing bolster and welding.
2. The method for locating the different surfaces of the fulcrum seats of the rice-rail-control type bogie fixed levers according to claim 1, wherein the locating bracket comprises:
the positioning pin is arranged in the middle of the cross rod;
the two longitudinal rods are respectively arranged at two ends of the transverse rod, connecting rods are respectively arranged at one ends of the two longitudinal rods, which are far away from the transverse rod, connecting holes are arranged at one ends of the connecting rods, which are far away from the longitudinal rods, and the axes of the two connecting holes are superposed and parallel to the transverse rod;
the limiting pin is arranged in the connecting hole in a penetrating mode.
3. The method for locating the different surfaces of the fixed lever fulcrum seats of the meter-gauge control type bogie according to claim 2, wherein the cross sections of the cross rods and the longitudinal rods are L-shaped.
4. The method for positioning the different surfaces of the fulcrum seats of the rice-rail-control type bogie according to claim 2, wherein the cross rod, the longitudinal rod and the connecting rod are perpendicular to each other.
5. The method for locating the different surfaces of the fulcrum seats of the fixed levers of the meter-gauge control type bogie according to claim 2, wherein the side walls of the swing bolster are provided with connecting surfaces matched with the fulcrum seats of the fixed levers, and the connecting surfaces are perpendicular to the base surface of the center plate.
6. The method for locating the different surfaces of the fulcrum seats of the fixed levers of the meter gauge control type bogies according to claim 2, wherein nuts are connected to the limit pins in a threaded manner.
7. The method for positioning the different surfaces of the fulcrum seats of the fixed levers of the meter gauge control type bogie according to claim 1, further comprising the step of processing the side walls of the swing bolster to obtain connecting surfaces matched with the fulcrum seats of the fixed levers.
8. The method for locating the different surfaces of the fixed lever fulcrum seats of the meter-gauge control type bogie according to claim 7, wherein the step of machining the side walls of the swing bolster to obtain the connecting surfaces matched with the fixed lever fulcrum seats comprises the following steps:
processing the side wall of the swing bolster to obtain two connecting surfaces;
and processing the connecting surface to enable the projection of the bottom of the rolling fulcrum seat to be positioned inside the connecting surface.
9. The method for locating the different surfaces of the fixed lever fulcrum seat of the meter gauge control type bogie according to claim 6, wherein the step of attaching and welding the welding surface of the fixed lever fulcrum seat to the side surface of the swing bolster comprises the following steps:
spot welding and positioning the periphery of the fixed lever fulcrum seat;
removing the positioning bracket;
and welding the fixed lever fulcrum seat and the swing bolster into a whole.
10. The method for locating the abnormal surface of the fulcrum seat of the fixed lever of the meter gauge control type bogie according to claim 8, further comprising the following steps:
judging the distance between the bottom of the fixed lever fulcrum seat and the connecting surface;
if the distance between the bottom of the fixed lever fulcrum seat and the connecting surface is more than or equal to 0, directly welding;
and if the distance between the bottom of the fixed lever fulcrum seat and the connecting surface is less than 0, welding the fixed lever fulcrum seat until the distance between the connecting surface and the bottom of the fixed lever fulcrum seat is not less than 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570593.XA CN114919617B (en) | 2022-05-24 | 2022-05-24 | Meter gauge control type steering frame fixed lever fulcrum seat different-surface positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570593.XA CN114919617B (en) | 2022-05-24 | 2022-05-24 | Meter gauge control type steering frame fixed lever fulcrum seat different-surface positioning method |
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| Publication Number | Publication Date |
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| CN114919617A true CN114919617A (en) | 2022-08-19 |
| CN114919617B CN114919617B (en) | 2023-09-08 |
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| CN202210570593.XA Active CN114919617B (en) | 2022-05-24 | 2022-05-24 | Meter gauge control type steering frame fixed lever fulcrum seat different-surface positioning method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201102552Y (en) * | 2007-10-15 | 2008-08-20 | 中国北车集团北京二七机车厂有限责任公司 | Radial steering frame follow-up braking device of motorcycle |
| US20160362120A1 (en) * | 2014-02-05 | 2016-12-15 | Crrc Qingdao Sifang Co., Ltd. | Bogie for high-speed railway vehicle |
| CN109382603A (en) * | 2017-08-08 | 2019-02-26 | 湖北三江航天万山特种车辆有限公司 | A kind of crossbeam assembly apparatus for welding and positioning |
| CN211816990U (en) * | 2020-03-17 | 2020-10-30 | 济宁一建钢结构工程有限公司 | Connecting device for building steel structure |
| CN112124348A (en) * | 2020-09-27 | 2020-12-25 | 成都工业学院 | Assembly method of railway wagon control type bogie damping device |
| CN214024306U (en) * | 2020-12-16 | 2021-08-24 | 安徽雷尔伟交通装备有限公司 | APM car suspension support assembly welding frock |
| CN113335334A (en) * | 2021-06-09 | 2021-09-03 | 武永清 | A safe type combination formula handling instrument for midbody transition coupling |
| CN215146169U (en) * | 2021-04-14 | 2021-12-14 | 苏州市东望钣金有限公司 | Cable support welding tool |
-
2022
- 2022-05-24 CN CN202210570593.XA patent/CN114919617B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201102552Y (en) * | 2007-10-15 | 2008-08-20 | 中国北车集团北京二七机车厂有限责任公司 | Radial steering frame follow-up braking device of motorcycle |
| US20160362120A1 (en) * | 2014-02-05 | 2016-12-15 | Crrc Qingdao Sifang Co., Ltd. | Bogie for high-speed railway vehicle |
| CN109382603A (en) * | 2017-08-08 | 2019-02-26 | 湖北三江航天万山特种车辆有限公司 | A kind of crossbeam assembly apparatus for welding and positioning |
| CN211816990U (en) * | 2020-03-17 | 2020-10-30 | 济宁一建钢结构工程有限公司 | Connecting device for building steel structure |
| CN112124348A (en) * | 2020-09-27 | 2020-12-25 | 成都工业学院 | Assembly method of railway wagon control type bogie damping device |
| CN214024306U (en) * | 2020-12-16 | 2021-08-24 | 安徽雷尔伟交通装备有限公司 | APM car suspension support assembly welding frock |
| CN215146169U (en) * | 2021-04-14 | 2021-12-14 | 苏州市东望钣金有限公司 | Cable support welding tool |
| CN113335334A (en) * | 2021-06-09 | 2021-09-03 | 武永清 | A safe type combination formula handling instrument for midbody transition coupling |
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| CN114919617B (en) | 2023-09-08 |
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