CN212766237U

CN212766237U - Stainless steel boundary beam for subway vehicle

Info

Publication number: CN212766237U
Application number: CN202021732120.8U
Authority: CN
Inventors: 王建云
Original assignee: Qingdao Cold Formed Steel Co ltd
Current assignee: Qingdao Cold Formed Steel Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-23
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to a girder steel field especially relates to a stainless steel boundary beam for railcar, including the roof beam body, the place ahead of the roof beam body is provided with the walking beam, the inboard fixed cartridge of walking beam has the connecting steel that extends towards the rear, the connecting steel inserts the inboard from the front end of walking beam, connecting steel, the both sides surface is close to the rear end department and has laid the spacing tooth's socket of a plurality of equidistance, laid the spacing tooth of a plurality of equidistance on the both sides inner wall of the roof beam body, spacing tooth activity card is gone into the inboard of spacing tooth's socket, the limiting plate of pasting at the connecting steel up end in the activity of the inner wall fixed connection of the roof beam body, the up end of limiting plate runs through and has seted up the fretwork mouth, be connected with the extensible member between the both sides inner wall of the corresponding spacing tooth's socket department of connecting steel, the utility.

Description

Stainless steel boundary beam for subway vehicle

Technical Field

The utility model relates to a girder steel field especially relates to a stainless steel boundary beam for railcar.

Background

In railcar's frame construction, need use the boundary beam to the border part and additionally consolidate to ensure the frame construction stability of automobile body, whole length is certain when nevertheless current stainless steel boundary beam uses, and the adjustment that can't be nimble needs the boundary beam of customization different length to use, and the incremental cost, and required boundary beam length often has the error with customization boundary beam length when on-the-spot boundary beam installs, and this problem can't be solved to current boundary beam.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the background art, and the stainless steel boundary beam for railcar that proposes.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a stainless steel boundary beam for railcar, includes the roof beam body, the place ahead of the roof beam body is provided with the walking beam, the inboard fixed cartridge of walking beam has the connection steel that extends towards the rear, it inserts the inboard from the front end of walking beam to connect the steel, the spacing tooth's socket of a plurality of equidistance has been laid to both sides surface near rear end department, the spacing tooth of a plurality of equidistance has been laid on the both sides inner wall of the roof beam body, the inboard of spacing tooth's socket is gone into to spacing tooth activity card, the limiting plate of the inner wall fixed connection of the roof beam body at the connection steel up end is pasted in the activity, the up end of limiting plate runs through and has seted up the fretwork mouth, be connected with the extensible member between the both sides inner wall of the corresponding spacing.

Preferably, a fixing bolt is inserted into the position, close to the front end, of the bottom surface of the inner side of the connecting steel, the lower end of the fixing bolt is in threaded fit with the movable beam, and the connecting steel and the movable beam are fixedly installed through the fixing bolt.

Preferably, the lower extreme border of roof beam body and walking beam all extends the mounting panel, the up end of mounting panel is run through and is seted up the mounting hole.

Preferably, a plurality of reinforcing pieces extend from the upper end face of the limiting plate, the reinforcing pieces are arranged at equal intervals in the front-back direction, and the reinforcing pieces and the limiting plate are integrally formed.

Preferably, the telescopic part comprises threaded cylinders symmetrically and fixedly connected to the inner walls of the two sides of the connecting steel and double-threaded columns with the two ends inserted into the threaded cylinders of the two sides in a threaded fit mode, and symmetrical threads are formed in the outer surfaces of the double-threaded columns.

Preferably, a polygonal sleeve is sleeved in the middle of the outer surface of the double-threaded column, the polygonal sleeve and the double-threaded column are welded, and the polygonal sleeve is in a hexagonal prism shape.

Compared with the prior art, the utility model discloses following beneficial effect has: through the spacing tooth's socket that sets up, spacing tooth, the extensible member, according to user demand, the extensible member shrink back, make the both sides surface of connecting steel be close to each other and draw in, and then make spacing tooth's socket break away from with spacing tooth mutually, can pull the walking beam towards the fore-and-aft direction, and then drive the connecting steel and remove jointly along the fore-and-aft direction, reach suitable position, remove slightly and make spacing tooth's socket cooperate with spacing tooth once more, make the extensible member extension, spacing tooth card once more is in the inboard of spacing tooth's socket, prevent the slip of connecting steel, thereby holistic length has been changed, use more in a flexible way, adaptability is good.

Drawings

Fig. 1 is a schematic structural view of a stainless steel edge beam for a metro vehicle according to the present invention;

fig. 2 is a schematic view of a partial structure of a stainless steel edge beam for a metro vehicle according to the present invention;

FIG. 3 is a partial cross-sectional view of the beam body of the stainless steel side beam for a metro vehicle of the present invention;

figure 4 is the utility model relates to a structural schematic is located to extensible member of stainless steel boundary beam for railcar.

In the figure: 1. a beam body; 2. a movable beam; 3. connecting steel; 4. fixing the bolt; 5. a limiting plate; 6. hollowing out; 7. a reinforcing sheet; 8. a limiting tooth socket; 9. limiting teeth; 10. a double threaded post; 11. a threaded barrel; 12. a polygonal sleeve; 13. mounting a plate; 14. and (7) installing holes.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-4, a stainless steel boundary beam for metro vehicle, including the roof beam body 1, the place ahead of the roof beam body 1 is provided with walking beam 2, the inboard fixed cartridge of walking beam 2 has connecting steel 3 that extends towards the rear, connecting steel 3 inserts the inboard from the front end of walking beam 2, connecting steel 3, the both sides surface is close to rear end department and has laid the spacing tooth's socket 8 of a plurality of equidistance, have laid the spacing tooth 9 of a plurality of equidistance on the both sides inner wall of the roof beam body 1, spacing tooth 9 activity card is gone into the inboard of spacing tooth's socket 8, the inner wall fixed connection of the roof beam body 1 is at the movable limiting plate 5 who pastes at connecting steel 3 up end, fretwork mouth 6 has been seted up through to the up terminal surface of limiting plate 5, be connected with the extensible member between the both sides inner wall of the.

Connecting steel 3's inboard bottom surface is close to front end department and has inserted fixing bolt 4, and screw-thread fit between fixing bolt 4's lower extreme and the walking beam 2 passes through fixing bolt 4 fixed mounting between connecting steel 3 and the walking beam 2 to ensure the firm degree between connecting steel 3 and the walking beam 2.

The lower extreme border of roof beam body 1 and walking beam 2 all extends mounting panel 13, and mounting hole 14 has been seted up in the up end run-through of mounting panel 13 for cooperate the bolt to install on automobile body frame.

The up end of limiting plate 5 extends the enhancement piece 7 of a plurality of, strengthens piece 7 and is the equidistance along the fore-and-aft direction and arranges, strengthens piece 7 and limiting plate 5 integrated into one piece, increases limiting plate 5's bulk strength, and limiting plate 5 ensures that connecting steel 3 can only follow the fore-and-aft direction and remove, can not rock from top to bottom.

The extensible member includes that symmetrical fixed connection is at the screw thread section of thick bamboo 11 on the 3 both sides inner walls of connection steel, both ends screw-thread fit inserts the double thread post 10 in the screw thread section of thick bamboo 11 of both sides, symmetrical screw thread has been seted up to the surface of double thread post 10, the surface intermediate position cover of double thread post 10 is equipped with polygon cover 12, be the welding between polygon cover 12 and the double thread post 10, the appearance of polygon cover 12 is hexagonal prism shape, it can make double thread post 10 rotate to rotate polygon cover 12, and then make the screw thread section of thick bamboo 11 of both sides be close to each other or keep away from each other.

During the use, the user is according to the user demand, see through fretwork mouth 6, after rotating double thread post 10, make the both sides surface of connecting steel 3 be close to each other and draw in, and then make spacing tooth's socket 8 break away from with spacing tooth 9 mutually, can pull walking beam 2 towards the fore-and-aft direction, and then drive connecting steel 3 and remove jointly along the fore-and-aft direction, reach suitable position, it makes spacing tooth's socket 8 cooperate with spacing tooth 9 once more to remove slightly, later user's antiport double thread post 10, make the both sides surface of connecting steel 3 keep away from each other, spacing tooth 9 blocks the inboard at spacing tooth's socket 8 once more, prevent connecting steel 3's slip, thereby whole length has been changed, it is more nimble to use, adaptability is good.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stainless steel boundary beam for railcar, includes roof beam body (1), its characterized in that: the place ahead of the roof beam body (1) is provided with walking beam (2), the inboard fixed cartridge of walking beam (2) has connection steel (3) that extend towards the rear, connection steel (3) insert the inboard from the front end of walking beam (2), connection steel (3), both sides surface are close to rear end department and have laid spacing tooth's socket (8) of a plurality of equidistance, lay spacing tooth (9) of a plurality of equidistance on the both sides inner wall of the roof beam body (1), spacing tooth (9) activity card is gone into the inboard of spacing tooth's socket (8), the inner wall fixed connection of the roof beam body (1) is at limiting plate (5) of connecting steel (3) up end at the activity subsides, hollow opening (6) have been seted up to the up end face of limiting plate (5), be connected with the extensible member between the both sides inner wall of the corresponding spacing tooth's socket (8) department of connection steel (3).

2. The stainless steel edge beam for the metro vehicle according to claim 1, wherein: the connecting steel is characterized in that a fixing bolt (4) is inserted into the inner bottom surface of the connecting steel (3) close to the front end, the lower end of the fixing bolt (4) is in threaded fit with the movable beam (2), and the connecting steel (3) and the movable beam (2) are fixedly installed through the fixing bolt (4).

3. The stainless steel edge beam for the metro vehicle according to claim 1, wherein: the lower extreme border of roof beam body (1) and walking beam (2) all extends mounting panel (13), mounting hole (14) have been seted up in the up end run-through of mounting panel (13).

4. The stainless steel edge beam for the metro vehicle according to claim 1, wherein: the upper end face of the limiting plate (5) extends out of a plurality of reinforcing pieces (7), the reinforcing pieces (7) are arranged at equal intervals in the front-back direction, and the reinforcing pieces (7) and the limiting plate (5) are integrally formed.

5. The stainless steel edge beam for the metro vehicle according to claim 1, wherein: the telescopic piece comprises threaded cylinders (11) which are symmetrically and fixedly connected to the inner walls of the two sides of the connecting steel (3) and double-threaded columns (10) of which the two ends are inserted into the threaded cylinders (11) of the two sides in a threaded fit mode, and symmetrical threads are formed in the outer surfaces of the double-threaded columns (10).

6. The stainless steel edge beam for the metro vehicle according to claim 5, wherein: the polygonal sleeve (12) is sleeved in the middle of the outer surface of the double-threaded column (10), the polygonal sleeve (12) and the double-threaded column (10) are welded, and the polygonal sleeve (12) is hexagonal.