阅读说明：本技术 用于敞开式tbm快速步进的轨道装置及方法 (Track device and method for rapidly stepping open TBM (tunnel boring machine) ) 是由 文斌 周毅 邢阿龙 牛彤彤 张万泉 薛帅 马利 董长平 刘晓林 樊永强 何启波 于 2021-07-10 设计创作，主要内容包括：本发明公开了一种用于敞开式TBM快速步进的轨道装置及方法,包括不少于两段能沿TBM掘进方向呈交替式拼接的轨排,所述轨排包括沿TBM掘进方向等距离设置在地面上的轨枕及固定连接在所述轨枕上的钢轨；所述轨枕采用工字钢结构,所述轨枕上设置有安装孔和加强板,所述安装孔设置在所述枕轨上板与固定所述钢轨的压轨块配合,所述加强板位于所述轨枕立板两侧。旨在解决现有的TBM轨道使用的轨排方式,在整体铺设好以后,才能进行施工,存在需要消耗大量的轨枕和时间进行铺设,不利于TBM设备能够及时施工和提高施工效率等技术问题。(The invention discloses a track device and a method for rapidly stepping an open type TBM (tunnel boring machine), which comprises at least two track panels which can be spliced alternately along the tunneling direction of the TBM, wherein each track panel comprises sleepers and steel rails, wherein the sleepers are arranged on the ground at equal intervals along the tunneling direction of the TBM, and the steel rails are fixedly connected to the sleepers; the sleeper adopts the I-steel structure, be provided with mounting hole and reinforcing plate on the sleeper, the mounting hole sets up the sleeper rail upper plate cooperates with the rail pressing piece of fixing the rail, the reinforcing plate is located sleeper riser both sides. The track panel mode that aims at solving current TBM track and use, after whole laying, just can be under construction, has to consume a large amount of sleepers and time and lays, is unfavorable for technical problem such as TBM equipment can in time be under construction and improvement efficiency of construction.)

1. A track device for rapidly stepping an open TBM (tunnel boring machine) comprises at least two sections of track panels which are spliced alternately along the tunneling direction of the TBM, wherein each track panel comprises sleepers and steel rails, the sleepers are arranged on the ground at equal intervals along the tunneling direction of the TBM, and the steel rails are fixedly connected to the sleepers; the sleeper is characterized in that the sleeper is of an I-shaped steel structure, mounting holes and reinforcing plates are arranged on the sleeper, the mounting holes are formed in the upper plate of the sleeper rail and matched with rail pressing blocks for fixing the steel rails, and the reinforcing plates are located on two sides of a vertical plate of the sleeper.

2. The track device for rapid stepping of the open-type TBM, according to claim 1, is characterized in that the rail pressing block is a slant stepped plate, and a circular hole matched with the mounting hole is formed in the lower plate surface of the rail pressing block.

3. The track device for rapid stepping of the open type TBM as claimed in claim 1, wherein two reinforcing plates are respectively arranged on two sides of the sleeper vertical plate.

4. The track device for rapid stepping of the open type TBM as claimed in claim 1, wherein a connecting plate is arranged at the joint of the steel rail and the steel rail, a plurality of connecting holes are formed in the connecting plate at equal intervals, and the connecting plate is fixedly connected with the steel rail through the connecting holes.

5. A stepping method based on the rapid stepping device for the open TBM, which is characterized by comprising the following steps:

s1, fixing the sleepers at the bottom of the steel rail at intervals of h by using the rail pressing blocks;

s2, placing the assembled steel rails on a base surface, and connecting the steel rails together by the connecting plates;

s3, detaching the track panel passed by the TBM, and conveying the track panel to the tail end of the track panel in the advancing direction of the TBM for connection;

and S4, repeating S3 to complete the recycling of the track panel.

6. The method for rapidly stepping the open TBM according to claim 5, wherein the spacing distance h between sleepers in S1 on the steel rail ranges from 0.6 m to 0.8 m.

Technical Field

The invention relates to the technical field of TBM equipment, in particular to a track device and a method for rapidly stepping an open TBM.

Background

In a certain diversion project, a construction organization mode of two open TBMs is needed, the project progress index requirement is high, the project period requirement is very tight, and whether the TBM can rapidly step is an important index for whether the project period can be finished at a set node or not is determined because the engineering TBM has a long step distance (5537 meters).

The section of track mode that current TBM track used is whole lay after good, just can be under construction, need consume a large amount of sleepers and time simultaneously and lay, is unfavorable for TBM equipment can in time be under construction and improve the efficiency of construction.

Disclosure of Invention

The invention aims to provide a track device and a method for rapidly stepping an open TBM (tunnel boring machine), which aim to solve the technical problems that the construction can be carried out only after the track panel mode used by the conventional TBM track is integrally laid, a large amount of sleepers and time are consumed for laying, the timely construction of TBM equipment and the improvement of the construction efficiency are not facilitated, and the like.

In order to solve the technical problems, the invention adopts the following technical scheme:

designing a track device for rapid stepping of an open-type TBM, wherein the track device comprises at least two sections of track panels which are spliced alternately along the tunneling direction of the TBM, and each track panel comprises sleepers which are arranged on the ground at equal intervals along the tunneling direction of the TBM and steel rails which are fixedly connected to the sleepers; the sleeper adopts the I-steel structure, be provided with mounting hole and reinforcing plate on the sleeper, the mounting hole sets up the sleeper rail upper plate cooperates with the rail pressing piece of fixing the rail, the reinforcing plate is located sleeper riser both sides.

Preferably, the rail pressing block is an inclined stepped plate, and a lower plate surface of the rail pressing block is provided with a round hole matched with the mounting hole for use.

Preferably, two reinforcing plates are arranged on two sides of the sleeper vertical plate respectively.

Preferably, a connecting plate is arranged at the joint of the steel rail and the steel rail, a plurality of connecting holes are formed in the connecting plate at equal intervals, and the connecting plate is fixedly connected with the steel rail through the connecting holes.

The method for quickly stepping the open TBM is implemented based on the open TBM quick stepping device and comprises the following steps of:

s1, fixing the sleepers at the bottom of the steel rail at intervals of h by using the rail pressing blocks;

s2, placing the assembled steel rails on a base surface, and connecting the steel rails together by the connecting plates;

s3, detaching the track panel passed by the TBM, and conveying the track panel to the tail end of the track panel in the advancing direction of the TBM for connection;

and S4, repeating S3 to complete the recycling of the track panel.

Preferably, the distance h between the sleepers in the S1 on the steel rail ranges from 0.6 to 0.8 m.

Compared with the prior art, the invention has the main beneficial technical effects that:

1. compared with the traditional stepping track panel, the track panel is processed by 16# I-steel, the number of middle cross beams is reduced, a reinforcing plate treatment measure is adopted for the middle part of each sleeper in a targeted manner, a good stress structure is guaranteed, and materials are saved.

2. Compared with the traditional TBM stepping track panel using mode, the track panel can be directly and fixedly connected with a TBM walking track of 12m, the previous step of transporting each track panel back and forth is omitted in the TBM stepping process, only the steel rail connecting plate needs to be detached at the position of 12m after the TBM is stepped, 1 steel rail and the sleeper are transported back and forth in a circulating mode, and the whole track panel is transported back to the front of equipment, so that the installation efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention in use.

Fig. 2 is a schematic view showing the connection state of the sleeper and the rail according to the present invention.

Fig. 3 is a schematic view of the sleeper construction of the present invention.

FIG. 4 is a schematic view of the connecting plate structure of the present invention.

In the figure, 1 is a base surface, 2 is a sleeper, 2-1 is a mounting hole, 3 is a steel rail, 4 is a rail pressing block, 5 is a reinforcing plate, 6 is a connecting plate, and 6-1 is a connecting hole.

Detailed Description

The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.

In the description of the technical solutions of the present invention, it should be understood that the orientations or positional relationships indicated as referring to the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1: a rail device for rapidly stepping an open type TBM (tunnel boring machine) comprises two parallel rails and a plurality of sleepers 2 arranged below the rails side by side, wherein the rails are formed by splicing a plurality of steel rails 3 with the length of 12m, the sleepers 2 are horizontally arranged, the sleepers 2 are made of 16# I-steel, mounting holes 2-1 are formed in the upper plate of each sleeper 2, the number of the mounting holes 2-1 is two, the two mounting holes 2-1 are respectively positioned on top plates on two sides of a vertical plate, the two mounting holes 2-1 are arranged in a staggered mode, reinforcing plates 5 are arranged on the center lines of the 16# I-steel, and the reinforcing plates 5 are positioned on two sides of the vertical plate of each sleeper 2; the steel rails 3 are fixedly connected by adopting a connecting plate 6.

In the track device for rapid stepping of the open type TBM, the steel rail 3 is preferably fixed on the sleeper 2 through a rail pressing block 4. The rail pressing block 4 is an inclined stepped plate, a round hole used for being matched with the mounting hole 2-1 is formed in the lower plate surface of the rail pressing block 4, the height difference of the two plate surfaces of the rail pressing block 4 is smaller than the thickness of the base plate of the steel rail 2, and the rail pressing block 4 can firmly fix the steel rail 3 on the sleeper 2 through the design.

In the track device for rapid stepping of the open type TBM, as an optimal scheme, two reinforcing plates 5 are arranged on two sides of a vertical plate of the sleeper 2 respectively, and the design can enhance the supporting strength of the sleeper 2 and ensure the use safety of the steel rail 2.

In the track device for rapid stepping of the open type TBM, as a preferable scheme, a plurality of connecting holes 6-1 which are arranged at equal intervals are formed in the connecting plate 6, and the connecting holes 6-1 are used for connecting the connecting plate 6 with the steel rail.

Example 2: a TBM rapid stepping method is implemented based on the track device for rapid stepping of the open TBM in embodiment 1, and specifically comprises the following steps:

s1, fixing the sleepers 2 at the bottom of the steel rail 3 at intervals of h by using the rail pressing 4 blocks; specifically, in the step 1, the distance h between the sleepers 2 on the rails 3 is in the range of 0.6-0.8 m, in this embodiment, the distance between the two sleepers 2 is 0.7 m, and the sleepers are required to avoid the joint of the two rails 2.

S2, placing the assembled steel rails 3 on the base surface 1, and connecting the steel rails 3 together by using the connecting plates 6; specifically, the assembly of the single steel rail 3 and the sleeper 2 processed in the step one is paved on a base surface, and then the assembly is clamped at the joint of the two steel rails 3 by adopting a connecting plate 6 after being leveled and is fixedly connected by utilizing bolts; and repeating the steps, laying the lines for a certain distance, and enabling the TBM equipment to enter the field for construction.

S3, detaching the rail 3 of the track through which the TBM passes, and conveying the rail to the tail end of the track in the advancing direction of the TBM for connection; specifically, in the third step, the rails 3 are spliced by using the connecting plates 6 at the tail ends of the rails, and the connecting plates 6 are fixedly installed at the two ends of the rails 3 through fixing bolts. And (4) firstly, paving a track by adopting steel rails according to the steps S1 and S2 for a certain distance, and allowing the TBM to enter the field for construction. After the originally laid track is used up, the used steel rail 3 is disassembled, the TBM is carried to the advancing direction, then the track is prolonged and laid, the limited steel rail 3 is recycled, the stock quantity of the steel rail 3 and the sleeper 2 can be greatly reduced, less equipment is adopted to realize the construction of the TBM, the production cost is reduced, and the construction efficiency is improved.

S4, repeating the step S3 to complete the recycling of the steel rail; specifically, the method described in step S3 is repeated until the whole construction is completed, and then the construction is reversed, the track is disassembled into the single steel rail 3, and the sleeper 2 on the steel rail 3 is retained and transported to the next site for further use.

While the invention has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes in the details of the embodiments may be made without departing from the spirit of the invention, and various changes in the details of construction and materials may be substituted for elements thereof to form various embodiments, which are within the scope of the invention and are not intended to be limited to the details of the embodiments.