CN202090248U - Fixing device for magnetic suspension rail section - Google Patents

Abstract

The utility model discloses a fixing device for a magnetic levitation rail row, which is used for fixing the rail row on a lower supporting seat, and comprises a connecting part whose lower end is rigidly connected to the rail row mounting base (29) of the lower supporting seat, And described connecting part is provided with the sleeper (21) that locks described rail row (22) and the locking part that can adjust along the up and down direction position; When using this fixture to rail row (22) is fixed, rail row ( 22) The positioning in the vertical direction does not depend on the rail support platform (24), that is, the pouring of the rail support platform (24) does not affect the assembly of the rail row (22), and this fixing method is more flexible for fixing the rail row (22) , can not be affected by adverse environments such as temperature, and improves the installation efficiency of track construction projects.

Description

Fixing device for magnetic levitation rail row

technical field

The utility model relates to the technical field of fixing a magnetic levitation rail row, in particular to a fixing device for a magnetic levitation rail row.

Background technique

With the development of economic construction, in order to improve the transportation capacity of various industrialized countries, maglev technology is more and more widely used in the transportation system.

Among them, the maglev transportation system has the characteristics of low noise, small vibration, no pollution, strong line adaptability, and easy implementation. It is more and more used in new urban rail transit systems. The magnetic force of the magnetic levitation train running on the track and the reliability of the magnetic levitation rail row directly affect the safety of the train operation.

The magnetic levitation rail row is generally fixed on the support body at the lower end of the rail row by a fixing device. The support body of the rail row includes a rail row installation base 20 and a rail bearing platform 19 arranged on the rail row installation base 20, and the rail row installation base 20 The processing can be completed in the factory in advance, and the rail support platform 19 is prepared on-site when the rail row is installed.

Please refer to FIG. 1 . FIG. 1 is a structural schematic diagram of a typical fixing method of a magnetic levitation rail row in the prior art.

A typical fixing method of the maglev rail row in the prior art. The rail row fixing device includes an elastic backing plate 14, a height-adjusting backing plate 15, and an iron backing plate 17. The flat washer 12, spring washer 13, The steel sleeper bottom plate of the rail row, the elastic backing plate 14, the height-adjusting backing plate 15, and the iron backing plate 17 are fixed on the support body at the lower part of the rail row. The iron backing plate 17 is provided with an adjustment hole, which is inserted into the hole for laying the rail row. Adjusting bolts for adjusting the geometric position of the rail row. The rail support platform 19 is provided with a sleeve 18 that matches the thread of the bolt, and the rail row and various backing plates are locked on the rail support platform 19 through the bolts.

In the prior art, the locking of the bolts to the rail row must first complete the pouring of the rail support platform 19. After the rail support platform 19 is basically solidified, the relevant parts can be sequentially installed on the rail support platform 19 to adjust and install the rail row. Therefore, the installation of the rail row is not only limited by the pouring environment of the rail platform 19, but also has relatively strict requirements for the installation sequence of the parts. The installation flexibility of the rail row is relatively poor, and the installation speed is relatively slow.

In addition, the sleeve 18 of the anchor bolt 11 is relatively easy to slip, resulting in a relatively low fixing reliability of the rail row 22, and it is difficult to replace the slip sleeve 19, which is not conducive to the maintenance of the rail row.

Therefore, how to provide a fixing device with relatively high installation efficiency and reliable fixing of the magnetic levitation rail row is a technical problem to be solved by those skilled in the art at present.

Utility model content

The purpose of the utility model is to provide a fixing device for a magnetic levitation rail row, and the efficiency of fixing and installing the rail row by using the fixing device is relatively high.

In order to solve the above technical problems, the utility model provides a fixing device for the magnetic levitation rail row, which is used to fix the rail row on the lower support seat; it includes a connecting part whose lower end is rigidly connected to the installation base of the lower support seat , and the connecting part is provided with a sleeper for locking the rail row and a locking part whose position can be adjusted in the up and down direction.

Preferably, the locking part includes a first adjusting nut arranged at the lower part of the supporting bottom wall of the sleeper and a second adjusting nut arranged at the upper part of the supporting bottom wall, and the corresponding position of the connecting part is provided with A threaded portion matched with the first adjusting nut and the second adjusting nut.

Preferably, it also includes a support frame poured inside the installation base, and the lower part of the connecting part is welded on the support frame.

Preferably, the support frame includes a top board and legs symmetrically arranged on the lower surface of the top board, a bent portion is provided at the end of the legs away from the top board, and the connection part and the top board The upper surface is welded.

Preferably, an inverted V-shaped rib is also provided, the inflection point of the inverted V-shaped rib is welded to the connecting part, and the two ends of the opening are welded to the top plate.

Preferably, a W-shaped reinforcing rib is also provided, the middle inflection point of the W-shaped reinforcing rib is welded to the connecting member, and the other two inflection points are welded to the top plate.

Preferably, the connecting component is a screw.

The utility model provides a fixing device for fixing the rail row on the lower supporting base, which includes a connecting part whose lower end is rigidly connected to the mounting base of the lower supporting base, and the connecting part A sleeper for locking the rail row and a locking part which can be adjusted in the up and down direction are arranged on the top.

The lower end of the connecting part in the fixing device of the magnetic levitation rail row provided by the utility model is rigidly connected to the mounting base, and the mounting base supports the connecting part, and the position of the sleeper can be adjusted and fixed by the locking part on the connecting part, and Compared with the existing technology, the positioning of the rail row in the vertical direction does not depend on the rail support platform, that is, the pouring of the rail support platform does not affect the assembly of the rail row. This fixing method is more flexible for the fixing of the rail row. The fixing of the rail row can be completed before pouring, and the rail row can also be fixed after the rail platform is poured, which can not be affected by adverse environments such as temperature, and improves the installation efficiency of the track construction project.

Description of drawings

Fig. 1 is a sectional view of a typical maglev rail row fixing device and the installation structure of the rail row in the prior art;

Fig. 2 is the A direction view of Fig. 1;

Fig. 3 is a cross-sectional view of a magnetic levitation rail row fixing device and a rail row installation structure provided by the utility model;

Fig. 4 is a cross-sectional view of the second magnetic levitation rail row fixing device and rail row provided by the utility model;

Fig. 5 is a cross-sectional view of the third magnetic levitation rail row fixing device and rail row provided by the utility model;

Fig. 6 is a sectional view of the fourth magnetic levitation rail row fixing device and the rail row provided by the utility model.

Wherein, the corresponding relationship between reference numerals and component names in Fig. 1 to Fig. 2 is as follows:

11 Anchor bolts; 12 Flat washers; 13 Spring washers; 14 Elastic backing plates; 15 Heightening backing plates; 17 Iron backing plates;

Wherein, the corresponding relationship between reference numerals and component names in Fig. 3 to Fig. 6 is as follows:

23 screw rod; 25 second adjustment nut; 26 first adjustment adjustment nut; 27 support frame; 271 top plate; 272 legs; 28 iron gasket; 32 elastic washers; 33 flat washers; 21 sleepers; 22 rail rows.

Detailed ways

The core purpose of the utility model is to provide a fixing device for the magnetic levitation rail row, and the efficiency of fixing and installing the rail row by using the fixing device is relatively high.

In order to make those skilled in the art better understand the technical solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 3 , which is a cross-sectional view of a magnetic levitation rail row fixing device and a rail row installation structure provided by the present invention.

The fixing device for the magnetic levitation rail row provided by the utility model is used to fix the rail row on the lower support seat. Generally, the lower support seat includes a rail support platform 24 and a rail row installation pedestal 29 located at the bottom of the rail support platform 24. The rail row The installation stand 29 can be processed and manufactured in advance, and can be used directly when the rail row is installed and fixed, while the rail support platform 24 needs to be poured on the spot where the rail row is installed.

Gaskets can be arranged between the rail row and the lower support seat, and the gaskets can include elastic gaskets 32 and iron gaskets 28, and the elastic gaskets 32 are arranged between the rail row and the iron gasket 28 to play a good shockproof effect , The iron spacer 28 is directly poured together with the rail platform 24 of the lower support seat, which can increase the installation stability of the sleeper 21 to a certain extent.

The fixing device of the magnetic levitation rail row provided by the present invention includes a connecting part, which can be a bolt or a stud. The sleeper 21 and the locking part that can be adjusted in the up and down direction, the locking part can be a nut, and the position of the nut can be locked or adjusted through the thread matched with the connecting part, so as to realize the locking or adjustment of the position of the sleeper 21, or The adjustment and locking of the sleeper 21 are realized by using nuts and pins together.

When the fixing device of the utility model is fixed to the rail row, the rail row 22 and the connecting parts can be pre-assembled. During on-site construction, the lateral geometric position of the rail row 22 can be determined by precise measurement of the tooling, and the connecting parts can be rigidly connected to the rail row mounting base 29. , adjust the position of the vertical direction of the rail row through the locking parts arranged on the connecting parts, and finally complete the pouring of the rail platform 27.

The lower end of the connecting part in the fixing device of the magnetic levitation rail row provided by the utility model is rigidly connected with the mounting base, and the mounting base plays a supporting role for the connecting part, and the position of the sleeper 21 can be adjusted and fixed by the locking part on the connecting part. Compared with the prior art, the positioning of the rail row in the vertical direction does not depend on the rail support platform, that is, the pouring of the rail support platform 24 does not affect the adjustment and assembly of the rail row in the vertical direction, so that the installation flexibility of the rail row is relatively high , can not be affected by adverse environments such as temperature, and improves the installation efficiency of the rail arrangement.

In a specific embodiment, the locking part may include a first adjusting nut 26 arranged at the lower part of the supporting wall of the sleeper 21 and a second adjusting nut 25 arranged at the upper part of the supporting bottom wall of the sleeper 21, and the corresponding connecting parts The position is provided with the threaded portion that matches with the first adjusting nut 26 and the second adjusting nut 25; the up and down position of the sleeper 21 can be adjusted by adjusting the positions of the first adjusting nut 26 and the second adjusting nut 25 on the connecting parts, adjusting After reaching a suitable position, the sleeper 21 is locked on the connecting part.

Compared with the use of adjusting washers in the prior art, the nut adjustment can realize the continuous adjustment of the position of the rail row 22, and the cost is relatively low.

There can be many ways to lock the sleeper 21. For example, the second adjustable nut 25 of the locking part in the above-mentioned embodiment can use a pin, and the corresponding position of the connecting part is provided with several horizontal pin holes matched with the pin. The pin holes may be long circular holes extending vertically, or holes uniformly arranged vertically, and the locking part realizes the positioning of the sleeper 21 through the cooperation of bolts and pins.

It should be noted that the second adjusting nut 25 and the first adjusting nut 26 may be in direct contact with the supporting bottom wall of the sleeper 21 or may be in indirect contact, that is, a gasket or the like is arranged between the two.

Further, the fixing device provided by the present invention may also include a support frame 27 poured inside the rail row installation base 29 , and the lower part of the connecting part is welded on the support frame 27 .

The support frame 27 can be pre-embedded in the rail row installation seat 29 when the rail row installation stand 29 is prepared, and when the rail row 22 is installed, the rail row 22 and the components of the connecting parts are welded on the support frame 27, The upper part of the support frame 27 is exposed to facilitate the welding of the connecting parts, and finally adjust the position of the rail row 22 in the up and down direction, and utilize the locking parts to position the rail row.

The welding connection method is relatively firm, and the threaded connection between the connecting part and the lower support seat in the prior art is cancelled, and the failure of the threaded connection sliding wire is avoided.

Specifically, the support frame 27 may include a top plate 271 and legs 272 symmetrically arranged on the lower surface of the top plate 271, the end of the legs 272 away from the top plate 271 may be provided with a bent portion, and the connecting part is welded to the upper surface of the top plate 271, The number of outriggers can be any number; the structure of the supporting frame can withstand relatively large pressure, and the structure is relatively stable.

In order to increase stability, the number of legs in the support frame 27 can be multiple.

In order to increase the reliability of the connection between the connecting part and the top plate of the support frame, it is also possible to increase the fixed point between the connecting part and the top plate, that is, to increase the reinforcing rib part. The following two implementations are the basis of the first implementation On, increase the reinforcing ribs of different structures.

Please refer to FIG. 4 , which is a sectional view of the second magnetic levitation rail row fixing device and the rail row provided by the present invention.

In the second specific embodiment, the fixing device in each of the above embodiments can also be provided with an inverted V-shaped rib 30, the inflection point of the inverted V-shaped rib 30 is welded to the connecting part, and the two ends of the opening are welded to the top plate .

Please refer to FIG. 5 , which is a sectional view of the third magnetic levitation rail row fixing device and the rail row provided by the utility model.

In the third specific embodiment, a W-shaped reinforcing rib 31 may be provided in the fixing device, the middle inflection point of the W-shaped reinforcing rib 31 is welded to the connecting member, and the other two inflection points are welded to the top plate.

The structural form of the reinforcing rib is not limited to the above description, and can be in various forms, as long as the fixing reliability of the connecting parts can be increased. The structures of the fixing devices set in the same rail row can be the same or different, as shown in the figure 6.

The connecting part in the above embodiments can be a screw rod 23, the head of the screw rod 23 is an open structure to facilitate the arrangement of the locking parts, and the upper part of the locking part can be screwed out from the screw rod 23, which is beneficial to the bearing of the rail row during use. The maintenance of other components on the rail platform 29, such as replacing parts such as elastic pads 32.

A fixing device for a magnetic levitation rail row provided by the utility model has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present utility model, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (7)

1. the fastening devices of the floating section of track of magnetic is used for the described section of track (22) is fixed in the lower support seat; It is characterized in that, comprise the be rigidly connected link of section of track installed base (29) of described lower support seat of bottom, and described link is provided with the sleeper (21) of the described section of track of locking (22) and the locking member that can regulate of position along the vertical direction.

2. the fastening devices of the floating section of track of magnetic according to claim 1, it is characterized in that, described locking member comprise the support diapire that is arranged at described sleeper the bottom first adjusting nut (26) and be arranged at second adjusting nut (25) on the top of described support diapire, the relevant position of described link is provided with the threaded portion of matching with described first adjusting nut (26) and described second adjusting nut (25).

3. the fastening devices of the floating section of track of magnetic according to claim 2 is characterized in that also comprise the bracing frame (27) of building in described installed base inside, the bottom of described link is welded on the support frame as described above (27).

4. the fastening devices of the floating section of track of magnetic according to claim 3, it is characterized in that, support frame as described above comprises top board (271) and is symmetricly set in supporting leg (272) on the soffit of described top board (271), described supporting leg (272) is provided with kink away from the end of described top board (271), the upper surface welding of described link and described top board (271).

5. the fastening devices of the floating section of track of magnetic according to claim 4 is characterized in that, also is provided with reverse V-shaped reinforcing rib (30), the flex point portion of described reverse V-shaped reinforcing rib (30) and the welding of described link, the both ends of its opening and described top board (271) welding.

6. the fastening devices of the floating section of track of magnetic according to claim 4 is characterized in that, also is provided with W type reinforcing rib (31), the middle flex point portion of described W type reinforcing rib (31) and the welding of described link, other two flex points portion and described top board (271) welding.

7. according to the fastening devices of the floating section of track of each described magnetic of claim 1 to 6, it is characterized in that described link is screw rod (23).

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