CN220015187U

CN220015187U - Subway shield segment

Info

Publication number: CN220015187U
Application number: CN202320927767.3U
Authority: CN
Inventors: 薛昌军; 陈思; 周鹏; 张鹤; 李博
Original assignee: China Railway No 10 Engineering Group Co Ltd; Second Engineering Co Ltd of China Railway No 10 Engineering Group Co Ltd
Current assignee: China Railway No 10 Engineering Group Co Ltd; Second Engineering Co Ltd of China Railway No 10 Engineering Group Co Ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-11-14
Anticipated expiration: 2033-04-23

Abstract

The utility model relates to the field of subway shield segments, in particular to a subway shield segment which comprises two sheet bodies, wherein accommodating grooves are formed in two ends of one side of each of the two sheet bodies, a connecting block is fixedly arranged between the inner parts of the accommodating grooves, annular grooves are formed in the outer side surfaces of the connecting blocks, threaded rods are movably arranged on one side of the inner parts of the annular grooves through rotating shafts, threaded cylinders are movably arranged on the outer sides of one ends of the threaded rods, connecting plates are fixedly arranged at one ends, far away from the threaded rods, of the threaded cylinders, a plurality of clamping blocks are uniformly arranged on the sides, far away from the threaded cylinders, of the connecting plates, and clamping grooves are formed in the three side surfaces of the inner parts of the accommodating grooves. The utility model can complete the splicing and fixing of different iron shield segments through the use of the structures such as the transmission mechanism, the threaded rod, the threaded cylinder, the connecting plate, the clamping block, the clamping groove and the like in the form of arranging the connecting block in the accommodating groove, has firm splicing effect, is simple to operate, does not need to adopt excessive auxiliary tools, saves labor force, and ensures that the iron shield segment has better use convenience.

Description

Subway shield segment

Technical Field

The utility model relates to the technical field of subway shield segments, in particular to a subway shield segment.

Background

The subway construction generally adopts shield construction, a shield segment is a main assembly component of the shield construction, is an innermost barrier of a tunnel, plays roles in resisting soil layer pressure, underground water pressure and some special loads, is a permanent lining structure of the tunnel by a shield method, and has direct relation with the integral quality and safety of the tunnel and influences the waterproof performance and durability of the tunnel.

The subway shield segment disclosed in the Chinese patent application publication No. CN207728371U has the advantages of good structural stability, strong supporting force, good waterproof and leakproof effect and strong durability, but when the subway shield segment is used, more tools are required to be contacted for auxiliary installation in assembly use through the cooperation of the bolt grooves and the arc bolts, and meanwhile, the arc bolts are difficult to put into the bolt grooves, so that the use difficulty of the shield segment is increased.

Disclosure of Invention

The utility model aims to provide a subway shield segment so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a subway shield constructs section of jurisdiction, including two lamellar bodies, the holding tank has all been seted up at two lamellar body one side both ends, fixedly provided with connecting block between the holding tank inside, the ring channel has been seted up on connecting block outside surface, ring channel inside one side all is provided with the threaded rod through the pivot activity, threaded rod one end outside activity is provided with the screw thread section of thick bamboo, the screw thread section of thick bamboo is kept away from the fixed connecting plate that is provided with of one end of threaded rod, the side that the screw thread section of thick bamboo was kept away from to the connecting plate is evenly provided with a plurality of fixture blocks, the draw-in groove has all been seted up on holding tank inside three side surface, the one end of a plurality of fixture blocks all is located the draw-in groove inside, the square groove has been seted up to the connecting block inside, the square groove inside is provided with drive mechanism;

preferably, the transmission mechanism comprises a first conical gear and a second conical gear, the first conical gears are respectively arranged at one end of a rotating shaft where the threaded rod is positioned at four sides of the inside of the square groove, the second conical gears are movably arranged at one side of the inside of the square groove through the rotating shaft, and the four first conical gears are respectively meshed with the second conical gears;

preferably, one side of the outer part of the connecting block is provided with an inner rotating handle at one end of the rotating shaft where the second bevel gear is positioned;

preferably, the outer side surface of the inner rotating handle is uniformly provided with a plurality of meshing grooves;

preferably, one side of the outer part of the connecting block is fixedly provided with a mounting frame at the outer side of the inner rotating handle, and one end of the mounting frame is movably provided with an outer rotating handle through a bearing at the outer side;

preferably, a plurality of through grooves are uniformly formed in the outer side surface of the outer rotating handle, elastic pieces are fixedly arranged in the through grooves, and clamping plates are fixedly arranged on one sides of the elastic pieces.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model can complete the splicing and fixing of different iron shield segments through the use of the structures such as the transmission mechanism, the threaded rod, the threaded cylinder, the connecting plate, the clamping block, the clamping groove and the like in the form of arranging the connecting block in the accommodating groove, has firm splicing effect, is simple to operate, does not need to adopt excessive auxiliary tools, saves labor force, and ensures that the iron shield segment has better use convenience.

2. According to the split type iron shield segment splicing and fixing device, through the split type structure of the outer rotating handle and the inner rotating handle, after splicing and fixing of different iron shield segments are completed, the inner rotating handle cannot rotate due to false touch of external force, so that the situation that the splicing and fixing effect provided by the connecting block is invalid due to unexpected factors is avoided, and the practical application effect of the connecting block is improved.

Drawings

FIG. 1 is a schematic overall elevational view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic view of the structure of the engagement groove of the present utility model;

FIG. 4 is an enlarged schematic view of the utility model at A in FIG. 1;

fig. 5 is an enlarged schematic view of the present utility model at B in fig. 2.

In the figure: 1. a sheet body; 2. a receiving groove; 3. a connecting block; 4. an annular groove; 5. a threaded rod; 6. a thread cylinder; 7. a connecting plate; 8. a clamping block; 9. a clamping groove; 10. a square groove; 11. a transmission mechanism; 12. a first bevel gear; 13. a second bevel gear; 14. an inner rotating handle; 15. a meshing groove; 16. a mounting frame; 17. an outer rotating handle; 18. a through groove; 19. an elastic sheet; 20. and a clamping plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-5, the present utility model provides a technical solution:

the utility model provides a subway shield constructs section of jurisdiction, including two lamellar bodies 1, holding tank 2 has all been seted up at two lamellar body 1 one side both ends, the fixed connecting block 3 that is provided with between the holding tank 2 inside, ring channel 4 has been seted up to connecting block 3 outside surface, ring channel 4 inside one side all is provided with threaded rod 5 through the pivot activity, threaded rod 5 one end outside activity is provided with screw thread section of thick bamboo 6, screw thread section of thick bamboo 6 is kept away from the fixed connecting plate 7 that is provided with of one end of threaded rod 5, the side that screw thread section of thick bamboo 6 was kept away from to connecting plate 7 evenly is provided with a plurality of fixture blocks 8, holding tank 9 has all been seted up on the inside three side surface of holding tank 2, the one end of a plurality of fixture blocks 8 all is located inside the holding tank 9, square groove 10 has been seted up to connecting block 3 inside, the inside drive mechanism 11 that is provided with of square groove 10;

through the scheme, the splicing and fixing of different iron shield segments can be completed through the arrangement of the connecting blocks 3 in the accommodating grooves 2 and the use of the structures such as the transmission mechanism 11, the threaded rod 5, the threaded cylinder 6, the connecting plates 7, the clamping blocks 8 and the clamping grooves 9;

in this embodiment, preferably, the transmission mechanism 11 includes a first conical gear 12 and a second conical gear 13, the four sides inside the square groove 10 are all provided with the first conical gear 12 at one end of the rotating shaft where the threaded rod 5 is located, one side inside the square groove 10 is movably provided with the second conical gear 13 through the rotating shaft, and the four first conical gears 12 are all meshed with the second conical gear 13;

through the scheme, the synchronous rotation transmission of the four threaded rods 5 is realized through the use of the transmission mechanism 11, so that a plurality of clamping blocks 8 can be simultaneously embedded into the clamping grooves 9;

in this embodiment, preferably, an inner rotating handle 14 is mounted on one end of the rotating shaft where the second bevel gear 13 is located on one side of the outer portion of the connecting block 3;

through the scheme, the second bevel gear 13 is driven to rotate through the rotation of the inner rotating handle 14;

in this embodiment, preferably, the outer side surface of the inner handle 14 is uniformly provided with a plurality of engagement grooves 15;

through the scheme, the uniformly opened engagement grooves 15 are used for being matched with the clamping plate 20 for use;

in this embodiment, preferably, one side of the outer part of the connecting block 3 is fixedly provided with a mounting frame 16 outside the inner rotating handle 14, and one end of the mounting frame 16 is movably provided with an outer rotating handle 17 through a bearing;

through the scheme, the mounting frame 16 is used for connecting the outer rotating handle 17, and the separated structure of the outer rotating handle 17 and the inner rotating handle 14 ensures that the inner rotating handle 14 cannot rotate due to false touch of external force after the splicing and fixing of different iron shield segments are completed;

in this embodiment, preferably, the outer side surface of the outer rotating handle 17 is uniformly provided with a plurality of through grooves 18, the inside of each of the through grooves 18 is fixedly provided with an elastic sheet 19, and one side of each elastic sheet 19 is fixedly provided with a clamping plate 20;

with the above-described configuration, when the outer handle 17 is used, the engagement plate 20 on the side of the elastic piece 19 needs to be manually pressed to be fitted into the engagement groove on the outer side of the inner handle 14, so that the inner handle 14 is rotated by the handle of the outer handle 17.

When the subway shield segment of the embodiment is used, the sheet body 1 is the circular arc sheet body 1, when the circular arc sheet bodies 1 with different splicing are spliced, the accommodating grooves 2 on the different sheet bodies 1 are in butt joint neatly, then the connecting blocks 3 are placed into the accommodating grooves 2, then the outer rotating handle 17 can be rotated, at this time, the elastic sheet 19 is required to be pressed manually, the clamping plate 20 on one side of the elastic sheet 19 is embedded into the engaging groove on the outer side of the inner rotating handle 14, so that the inner rotating handle 14 is driven to rotate through the rotation of the outer rotating handle 17, the second bevel gear 13 is further driven to rotate, the corresponding threaded rod 5 is driven to synchronously rotate along with the rotation of the second bevel gear 13, the threaded cylinder 6 is limited due to the fact that the connecting plate 7 is attached to the inner wall of the annular groove 4, the threaded rod 5 is synchronously moved along with the rotation of the threaded cylinder 6 until the corresponding clamping block 8 is embedded into the clamping groove 9, and the connecting plate 7 is tightly attached to the inner wall of the accommodating groove 2, the fixing between the two sheet bodies 1 can be completed, then the outer rotating handle 17 is loosened, the elastic sheet 19 can reset, and the inner rotating handle 20 is driven to be separated from the inner rotating handle 14, and the connecting block 15 can be prevented from being in the mistakenly meshed with the connecting rod 3.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a subway shield constructs section of jurisdiction, includes two lamellar bodies (1), its characterized in that: two holding tank (2) have all been seted up at lamellar body (1) one side both ends, fixed being provided with connecting block (3) between holding tank (2) inside, ring channel (4) have been seted up on connecting block (3) outside surface, ring channel (4) inside one side all is provided with threaded rod (5) through the pivot activity, threaded rod (5) one end outside activity is provided with screw thread section of thick bamboo (6), screw thread section of thick bamboo (6) are kept away from the fixed connecting plate (7) that is provided with of one end of threaded rod (5), the side that screw thread section of thick bamboo (6) was kept away from to connecting plate (7) evenly is provided with a plurality of fixture blocks (8), clamping groove (9) have all been seted up on the inside three side surface of holding tank (2), a plurality of the one end of fixture block (8) all is located inside clamping groove (9), square groove (10) have been seted up to connecting block (3) inside, square groove (10) inside is provided with drive mechanism (11).

2. The subway shield segment according to claim 1, wherein: the transmission mechanism (11) comprises a first conical gear (12) and a second conical gear (13), the first conical gear (12) is arranged at one end of a rotating shaft where the threaded rod (5) is located on four sides of the inside of the square groove (10), the second conical gear (13) is movably arranged at one side of the inside of the square groove (10) through the rotating shaft, and the four first conical gears (12) are meshed with the second conical gear (13).

3. The subway shield segment according to claim 2, wherein: one side outside the connecting block (3) is provided with an inner rotating handle (14) at one end of a rotating shaft where the second bevel gear (13) is arranged.

4. A subway shield segment according to claim 3, wherein: a plurality of meshing grooves (15) are uniformly formed in the outer side surface of the inner rotating handle (14).

5. A subway shield segment according to claim 3, wherein: the outer side of the connecting block (3) is fixedly provided with a mounting frame (16) at the outer side of the inner rotating handle (14), and the outer rotating handle (17) is movably arranged at the outer side of one end of the mounting frame (16) through a bearing.

6. The subway shield segment according to claim 5, wherein: a plurality of through grooves (18) are uniformly formed in the outer side surface of the outer rotating handle (17), elastic pieces (19) are fixedly arranged in the through grooves (18), and clamping plates (20) are fixedly arranged on one sides of the elastic pieces (19).