CN115958325B

CN115958325B - Assembling process and auxiliary device for suspension frame of maglev train

Info

Publication number: CN115958325B
Application number: CN202310256822.5A
Authority: CN
Inventors: 焦秋畅; 陈丽丽; 徐海涛; 熊泽; 王瑞洋
Original assignee: Tangshan Hongzheng Mechanical Equipment Co ltd
Current assignee: Tangshan Hongzheng Mechanical Equipment Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-06-06
Anticipated expiration: 2043-03-17
Also published as: CN115958325A

Abstract

The application relates to an assembly process and an auxiliary device of a levitation frame framework of a maglev train, and relates to the field of maglev traffic, wherein the assembly process comprises the following steps: welding a supporting beam: the support beam comprises a first support beam, a second support beam and two third support beams which are sequentially arranged from bottom to top, the first support beam and the second support beam are welded, and the two third support beams and the second support beam are welded respectively; welding the mounting beam: the mounting beam comprises a first mounting beam and a second mounting beam which are sequentially arranged from bottom to top, and the first mounting beam and the second mounting beam are welded; welding the supporting beam and the mounting beam with the side beams respectively: each support beam is placed between two side beams and each end of the support beam is welded to the corresponding side beam, a plurality of mounting beams are placed between the two support beams and each end of each mounting beam is welded to the corresponding side beam. The suspension frame has the effect of reducing the potential safety hazard of the suspension frame.

Description

Assembling process and auxiliary device for suspension frame of maglev train

Technical Field

The application relates to the field of magnetic levitation transportation, in particular to an assembly process and an auxiliary device of a levitation frame framework of a magnetic levitation train.

Background

The levitation frame of the magnetic levitation train is a running mechanism of the magnetic levitation train, is equivalent to a bogie of a traditional railway wheel-rail vehicle, and is one of core components for realizing levitation, guiding, traction and braking of the magnetic levitation train.

The structural performance of the suspension frame structure has a significant impact on the overall performance of the suspended maglev train, and the suspension frame structure is typically formed from a plurality of components connected by bolting means.

However, the stability of the suspended frame structure through bolt fastening may be poor, and a certain potential safety hazard exists.

Disclosure of Invention

In order to reduce the occurrence of potential safety hazards of the levitation frame, the application provides an assembly process and an auxiliary device of the levitation frame of the magnetic levitation train.

In a first aspect, the assembling process of the levitation frame framework of the maglev train provided by the application adopts the following technical scheme:

an assembly process of a levitation frame of a maglev train, wherein the levitation frame comprises two side beams, two support beams and a plurality of mounting beams, and comprises the following steps:

welding a supporting beam: the support beam comprises a first support beam, a second support beam and two third support beams which are sequentially arranged from bottom to top, the first support beam and the second support beam are welded, and the two third support beams and the second support beam are welded respectively;

welding the mounting beam: the mounting beam comprises a first mounting beam and a second mounting beam which are sequentially arranged from bottom to top, and the first mounting beam and the second mounting beam are welded;

welding the supporting beam and the mounting beam with the side beams respectively: each support beam is placed between two side beams and each end of the support beam is welded to the corresponding side beam, a plurality of mounting beams are placed between the two support beams and each end of each mounting beam is welded to the corresponding side beam.

By adopting the technical scheme, the first support beam, the second support beam and the third support beam are welded sequentially from bottom to top, and the support beam is formed by assembling. And then placing the two mounting beams on the first mounting beam, and then welding the two mounting beams and the first mounting beam, so that the mounting beam is formed by assembling. And then placing the supporting beams and the mounting beams between the two side beams, placing a plurality of mounting beams between the two supporting beams, then welding the two ends of each supporting beam with the corresponding side beam respectively, and welding the two ends of each mounting beam with the corresponding side beam respectively. The assembly of suspension frame framework has been consolidated like this, the condition that suspension frame framework exists the potential safety hazard takes place to reduce.

Preferably, the two side plates supporting the first beam are protruded upwards to form a welding first plate, the two side plates supporting the second beam are protruded downwards to form a welding third plate, the upper end of each welding first plate is spliced and welded with the lower end of the corresponding welding second plate, and the lower end of each welding third plate is spliced and welded with the upper end of the corresponding welding second plate.

By adopting the technical scheme, the lower end of the welding two plates is subjected to splice welding with the welding one plate, and the upper end of the welding two plates is subjected to splice welding with the welding three plates, so that the assembly welding of the supporting beam is conveniently completed.

Preferably, the two side plates for mounting the first beam are both protruded upwards to form a welding first plate, and the two side plates for mounting the second beam are protruded downwards to form a welding second plate.

By adopting the technical scheme, the welding first plate on the first installation beam and the welding second plate on the second installation beam are subjected to splice welding, so that the assembly welding of the installation beam is conveniently completed.

In a second aspect, the present application provides an auxiliary device using an assembly process, which adopts the following technical scheme:

the auxiliary device comprises a support frame, wherein one end of the support frame is hinged with two locking rods, and a control assembly for pushing the two locking rods to rotate in a direction away from each other is connected between the two locking rods.

Through adopting above-mentioned technical scheme, stretch into supporting beam or installation roof beam with the support frame inside, at the in-process of two sets of welding one board and welding two boards splice welding, adjust two locking levers through control assembly and move to the direction that keeps away from each other, until every locking lever all supports the splice of welding one board and welding two boards. The auxiliary device reinforces the splicing of the first supporting beam and the second supporting beam or reinforces the splicing of the first mounting beam and the second mounting beam, and reduces the occurrence of displacement of the first welding plate and the second welding plate in the process of mutual welding. And can support the splice of two roof beams of support and support three roof beams with adjusting every locking lever butt welding two boards and welding three boards.

Preferably, the support frame is kept away from the handle pole of the one end fixedly connected with hollow structure of locking lever, control assembly includes the regulation pole of rotating connection in the handle pole inside, the one end of adjusting the pole extends to between two locking levers and fixedly connected with oval piece, and every locking lever all contacts oval piece's lateral wall, be connected with the retaining member that will hold between handle pole and the regulation pole on the handle pole.

By adopting the technical scheme, the locking piece is loosened, so that the adjusting rod can rotate relative to the handle rod. And then rotating the adjusting rod, and rotating the adjusting rod to drive the elliptical block to rotate. In the process of rotating the oval block, the two locking rods are gradually pushed to move in the direction away from each other along with the side wall of the oval block in the length and diameter position, and the two locking rods can move in the direction away from each other smoothly, so that the operation is simple and convenient. And the adjusting rod is locked with the handle rod through the locking piece, at the moment, the state of the elliptical block is locked, and the two locking rods are abutted against the corresponding inner walls of the supporting beam or the mounting beam.

Preferably, the support frame is connected with the subassembly that resets, the subassembly that resets includes the sleeve and fixes the stand pipe at sleeve lateral wall, and the stand pipe is pegged graft with the one end that adjusts the pole and be close to the oval piece in the slip, and telescopic both ends all slide and peg graft there is the connecting rod, and every connecting rod all articulates with a corresponding locking lever, fixedly connected with fixed block in the sleeve, fixedly connected with spring between every connecting rod all and the fixed block.

Through adopting above-mentioned technical scheme, at the in-process that two locking levers moved to the direction of keeping away from each other, two connecting rods along the sleeve gradually to the direction of keeping away from each other, the spring is stretched gradually this moment. When the elliptical block does not give the acting force of the two locking rods moving in the direction away from each other, the two connecting rods gradually move in the direction approaching each other under the acting force of the springs, and the connecting rods move to drive the locking rods to move, so that the two locking rods gradually move in the direction approaching each other until reset.

Preferably, the support frame comprises two support rods, one support rod corresponds to one locking rod, the support rods are hinged with the locking rods, and one end, close to the locking rods, of each support rod is connected with a roller in a rotating mode.

Through adopting above-mentioned technical scheme, in the inside in-process that the support frame stretches into supporting beam or installation roof beam, the gyro wheel rolls the cooperation with the inner wall of supporting beam (or installation roof beam), and the comparatively smooth entering supporting beam of support frame or installation roof beam of being convenient for is inside. And the roller is abutted against the joint of the welding first plate and the welding second plate, so that the occurrence of relative displacement of the welding first plate and the welding second plate can be further reduced. And the same idler wheels are abutted against the spliced part of the two welded plates and the three welded plates, so that the occurrence of relative displacement of the two welded plates and the three welded plates can be reduced.

Preferably, a mounting shaft is arranged between the two support rods, two end faces of the mounting shaft are fixedly connected with threaded rods, the diameter of each threaded rod is smaller than that of the mounting shaft, one threaded rod is opposite to one support rod, each threaded rod penetrates through one end of the support rod, which is far away from the locking rod, and is in threaded connection with a nut, and the end faces of the nuts and the mounting shaft clamp the support rod.

Through adopting above-mentioned technical scheme, not hard up two nuts or not hard up one of them nut, adjust two bracing pieces and rotate to the direction that is close to each other or keep away from each other, so the contained angle between two adjustable bracing pieces is convenient for the support frame get into inside supporting beam (or the installation roof beam) of different width to the inner wall of better conflict supporting beam (or installation roof beam).

In summary, the present application includes at least one of the following beneficial technical effects:

the assembly of the suspension frame is reinforced, and the occurrence of potential safety hazards of the suspension frame is reduced;

the two locking rods can smoothly move in the direction away from each other, and the two locking rods can smoothly move in the direction close to each other, so that the reset is completed;

the included angle between the two support rods can be adjusted, so that the support frames can conveniently enter the support beams (or mounting beams) with different widths.

Drawings

Fig. 1 is a schematic structural view of a suspension frame according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a support beam according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a mounting beam embodying an embodiment of the present application.

Fig. 4 is a schematic overall structure of an auxiliary device according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a reset component according to an embodiment of the present application.

Fig. 6 is a schematic structural view showing a connection relationship between two support rods according to the embodiment of the present application.

Reference numerals illustrate: 1. a side beam; 2. a support beam; 21. supporting a beam; 211. welding a plate; 22. supporting the two beams; 221. welding the two plates; 23. supporting three beams; 231. welding three plates; 3. mounting a beam; 31. installing a beam; 32. installing two beams; 4. a support frame; 41. a support rod; 42. a roller; 5. a handle bar; 6. a locking lever; 7. a control assembly; 71. an adjusting rod; 72. an elliptic block; 8. a reset assembly; 81. a sleeve; 82. a guide tube; 83. a connecting rod; 84. a fixed block; 85. a spring; 9. a mounting shaft; 91. a threaded rod; 92. and (3) a nut.

Description of the embodiments

The present application is described in further detail below in conjunction with fig. 1-6.

The embodiment of the application discloses an assembly process of a levitation frame framework of a maglev train. Referring to fig. 1, the floating frame comprises two side beams 1, two support beams 2 are welded between the two side beams 1, and two mounting beams 3 are welded. Two mounting beams 3 are located between the two support beams 2, the mounting beams 3 being parallel to the support beams 2, the mounting beams 3 being perpendicular to each side beam 1.

Referring to fig. 1, 2 and 3, the support beam 2 includes a support first beam 21, a support second beam 22 and two support third beams 23 welded and fixed in this order from bottom to top. The mounting beam 3 comprises a first mounting beam 31 and two second mounting beams 32 which are welded and fixed in sequence from bottom to top.

The assembling process of the levitation frame framework of the maglev train comprises the following steps: welding of the support beam 2, welding of the mounting beam 3, and welding of the support beam 2 and the mounting beam 3 to the side member 1, respectively.

Welding of the support beam 2: the support two beams 22 are positioned between the support one beam 21 and the support three beams 23, and the support one beam 21 and the support three beams 23 are of a cross section in a shape of a Chinese character 'kou'. The two side plates supporting the first beam 21 are both projected upward to form a welded first plate 211, the two side plates supporting the second beam 22 are both welded second plates 221, and the two side plates supporting the third beam 23 are projected downward to form a welded third plate 231.

One welding plate 211 corresponds to the lower end of one welding plate 221, the supporting two beams 22 are placed on the supporting two beams 21, the positions of the supporting two beams 22 are transversely moved, each welding plate 221 is spliced on the upper end of the welding plate 211, and then each welding plate 221 and the welding plate 211 are welded from the outer side of the supporting beam 2.

One welding three plate 231 corresponds to the upper end of one welding two plate 221, each supporting three beam 23 is placed on the supporting two beam 22, the position of each supporting three beam 23 is transversely moved, each welding three plate 231 is adjusted to be spliced at the upper end of the welding two plate 221, and then each welding three plate 231 and the welding two plate 221 are welded from the outer side of the supporting beam 2.

Welding of the mounting beam 3: the first beam 31 and the second beam 32 are also sectional materials with a cross section in a shape like a Chinese character 'kou', and the two side plates of the first beam 31 are also protruded upwards to form a welding first plate 211, and the two side plates of the second beam 32 are protruded downwards to form a welding second plate 221. Each of the two mounting beams 32 is placed on the first mounting beam 31, and each of the two welding plates 221 is adjusted to be spliced on the first welding plate 211, and the welding of each of the two welding plates 221 and the first welding plate 211 is completed from the outside of the support beam 2.

Welding the support beam 2 and the mounting beam 3 to the side beams 1, respectively: each support beam 2 is placed between two side beams 1, the support beam 2 is adjusted to be disposed perpendicularly to each side beam 1, and then each end of the support beam 2 is welded to the corresponding side beam 1.

Similarly, each of the mounting beams 3 is placed between the two side members 1, and each end of the mounting beam 3 is welded to the corresponding side member 1.

The embodiment of the application also discloses auxiliary device of application assembly process, refer to fig. 4, including support frame 4, the one end fixedly connected with handle pole 5 of support frame 4, the other end articulates there are two locking levers 6, and the connection of support frame 4 has the control assembly 7 that promotes two locking levers 6 to the direction pivoted that keeps away from each other.

Referring to fig. 2 and 4, during welding of the support beam 2, an auxiliary device is extended into the support beam 22 from one end of the support beam 22, and the two locking bars 6 are moved away from each other by adjusting the control unit 7. So that each locking bar 6 is abutted against the splice of the welded first plate 211 and the welded second plate 221 on one side, that is, each locking bar 6 is abutted against the welded first plate 211 and the welded second plate 221 at the same time, so that the auxiliary device reinforces the splice of the supported first beam 21 and the supported second beam 22, the supported first beam 21 and the supported second beam 22 are difficult to generate relative lateral displacement, and the welding of the supported first beam 21 and the supported second beam 22 is conveniently completed from the outer side of the supporting beam 2.

And the locking rod 6 can be used for abutting the joint of the welding two plates 221 and the welding three plates 231, and the auxiliary device can strengthen the joint between the supporting two beams 22 and the supporting three beams 23. Referring to fig. 3 and 4, the same auxiliary device can strengthen the splice of the first and

second beams

31 and 32 by abutting the splice of the first and

second plates

211 and 221, thereby facilitating the completion of the welding between the first and

second beams

31 and 32.

Referring to fig. 4, the support frame 4 includes two support rods 41, and one ends of the two support rods 41 near the handle bar 5 are fastened to each other. One support bar 41 corresponds to one locking bar 6, and one end of each support bar 41 remote from the handle bar 5 is hinged to a corresponding one of the locking bars 6.

The control assembly 7 comprises an adjusting rod 71, the inside of the handle bar 5 is of a hollow structure, the adjusting rod 71 and the handle bar 5 are arranged in the same direction, the adjusting rod 71 penetrates through the handle bar 5, and the adjusting rod 71 is rotationally connected with the handle bar 5. One end of the adjusting rod 71 extends between the two locking rods 6 and is fixedly connected with an oval block 72, the oval block 72 is perpendicular to the adjusting rod 71, the oval block 72 is located between the two locking rods 6, and each locking rod 6 abuts against the side wall of the oval block 72.

One end of the handle bar 5 away from the elliptical block 72 is connected with a locking member for locking the handle bar 5 and the adjusting rod 71, the locking member is a bolt, the bolt is in threaded connection with the handle bar 5, and one end of the bolt extends into the handle bar 5 and abuts against the side wall of the adjusting rod 71.

The bolt is turned to move the bolt away from the adjustment lever 71 until the bolt is out of contact with the adjustment lever 71. Subsequently, the adjusting lever 71 is rotated, the adjusting lever 71 rotates to drive the elliptical block 72 to rotate, and in the process of rotating the elliptical block 72, the elliptical block 72 gradually pushes the two locking levers 6 to move in the directions away from each other.

Referring to fig. 4 and 5, in order to facilitate the movement of the two locking bars 6 in a direction approaching each other, a reset assembly 8 is connected between the two locking bars 6. The reset assembly 8 comprises a sleeve 81, a guide tube 82 which is arranged perpendicular to the sleeve 81 is fixedly connected to the outer side wall of the sleeve 81, and one end, close to the elliptical block 72, of the adjusting rod 71 is in sliding connection with the guide tube 82. Each end of the sleeve 81 is slidably inserted with a connecting rod 83, one connecting rod 83 corresponds to one locking rod 6, and one end of each connecting rod 83 extending out of the sleeve 81 is hinged with the corresponding locking rod 6.

The inside fixedly connected with fixed block 84 of sleeve 81, all be equipped with spring 85 between fixed block 84 and each connecting rod 83, the one end of each spring 85 all with fixed block 84 fixed connection, the other end and corresponding connecting rod 83 fixed connection.

During the movement of the two locking bars 6 away from each other by the oblong block 72, the two connecting bars 83 are moved away from each other, so that each spring 85 is gradually stretched, while the sleeve 81 drives the guide tube 82 to move away from the adjustment bar 71. When the elliptic block 72 rotates until the short diameter of the elliptic block 72 is gradually parallel to the sleeve 81, the two locking rods 6 can move towards each other under the action of the spring 85, so that the resetting is completed.

One end of each supporting rod 41 far away from the holding rod is rotatably connected with two rollers 42, and when the auxiliary device stretches into each supporting beam 2 or the installation beam 3, each roller 42 is in rolling fit with the inner wall of the supporting beam 2 or the installation beam 3, so that the auxiliary device can smoothly enter the supporting beam 2 or the installation beam 3. And two rollers 42 connected to each support bar 41 respectively contact different side plates assembled together by the support beam 2 (or the mounting beam 3).

Referring to fig. 1 and 6, in order to facilitate adjustment of the angle between the two support bars 41, the distance between the rollers 42 on the two support bars 41 is adjusted to accommodate the width between the two inner side walls of different support beams 2 (or mounting beams 3). An installation shaft 9 is arranged between the two support rods 41, threaded rods 91 are coaxially fixed on two end faces of the installation shaft 9, and the diameter of each threaded rod 91 is smaller than that of the installation shaft 9. One threaded rod 91 corresponds to one support rod 41, and each support rod 41 penetrates through the corresponding support rod 41 and is connected with a nut 92 in a threaded manner, and each nut 92 and one end face of the mounting shaft 9 clamp the corresponding support rod 41, so that the two support rods 41 are fixed.

When the included angle between the two support rods 41 needs to be adjusted, the two nuts 92 are loosened or one of the nuts 92 is loosened, and at this time, the two support rods 41 can rotate relatively, so that the included angle between the two support rods 41 is adjusted.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An auxiliary device applying an assembly process of a levitation frame of a magnetic levitation train, wherein the levitation frame comprises two side beams (1), two support beams (2) and a plurality of mounting beams (3), and the assembly process comprises the following steps:

welding of the support beam (2): the support beam (2) comprises a first support beam (21), a second support beam (22) and two third support beams (23) which are sequentially arranged from bottom to top, wherein the first support beam (21) and the second support beam (22) are welded, and the two third support beams (23) and the second support beam (22) are welded respectively;

welding of the mounting beam (3): the mounting beam (3) comprises a first mounting beam (31) and a second mounting beam (32) which are sequentially arranged from bottom to top, and the first mounting beam (31) and the second mounting beam (32) are welded;

welding the supporting beam (2) and the mounting beam (3) with the side beams (1) respectively: placing each support beam (2) between two side beams (1), welding each end of each support beam (2) with the corresponding side beam (1), placing a plurality of mounting beams (3) between the two support beams (2), and welding each end of each mounting beam (3) with the corresponding side beam (1);

the two side plates of the support first beam (21) are protruded upwards to form a welding first plate (211), the two side plates of the support second beam (22) are protruded downwards to form a welding third plate (231), the upper end of each welding first plate (211) is spliced and welded with the lower end of the corresponding welding second plate (221), and the lower end of each welding third plate (231) is spliced and welded with the upper end of the corresponding welding second plate (221);

the auxiliary device is characterized by comprising a support frame (4), wherein one end of the support frame (4) is hinged with two locking rods (6), and a control assembly (7) for pushing the two locking rods (6) to rotate in a direction away from each other is connected between the two locking rods (6);

the support frame (4) is far away from the handle rod (5) of the hollow structure fixedly connected with one end of the locking rod (6), the control assembly (7) comprises an adjusting rod (71) rotationally connected inside the handle rod (5), one end of the adjusting rod (71) extends to a position between the two locking rods (6) and is fixedly connected with an oval block (72), each locking rod (6) is contacted with the side wall of the oval block (72), and the handle rod (5) is connected with a locking piece for locking the handle rod (5) and the adjusting rod (71);

in the welding process of the support beam (2), an auxiliary device extends into the support beam (22) from one end of the support beam (22), the two locking rods (6) are moved away from each other by adjusting the control assembly (7), so that each locking rod (6) is abutted against the joint of the welding plate (211) and the welding plate (221) at one side, namely, each locking rod (6) is abutted against the welding plate (211) and the welding plate (221) at the same time, the auxiliary device reinforces the joint of the support beam (21) and the support beam (22),

the adjusting rod (71) is rotated, the adjusting rod (71) rotates to drive the elliptical block (72) to rotate, and in the process of rotating the elliptical block (72), the elliptical block (72) gradually pushes the two locking rods (6) to move in the direction away from each other.

2. An auxiliary device according to claim 1, wherein the support frame (4) is connected with a reset assembly (8), the reset assembly (8) comprises a sleeve (81) and a guide tube (82) fixed on the outer side wall of the sleeve (81), the guide tube (82) is slidably connected with one end of the adjusting rod (71) close to the elliptical block (72), two ends of the sleeve (81) are slidably connected with connecting rods (83), each connecting rod (83) is hinged with a corresponding locking rod (6), a fixed block (84) is fixedly connected in the sleeve (81), and a spring (85) is fixedly connected between each connecting rod (83) and the fixed block (84).

3. An auxiliary device according to claim 1 or 2, characterized in that the support frame (4) comprises two support rods (41), one support rod (41) corresponds to one locking rod (6), and the support rods (41) are hinged with the locking rod (6), and one end of the support rod (41) close to the locking rod (6) is rotatably connected with a roller (42).

4. An auxiliary device according to claim 3, characterized in that a mounting shaft (9) is arranged between two support rods (41), two end faces of the mounting shaft (9) are fixedly connected with threaded rods (91), the diameter of each threaded rod (91) is smaller than that of each mounting shaft (9), one threaded rod (91) is opposite to one support rod (41), each threaded rod (91) penetrates through one end, far away from the locking rod (6), of each support rod (41) and is connected with a nut (92) in a threaded manner, and the end faces of the nuts (92) and the mounting shaft (9) clamp the support rods (41).