阅读说明：本技术 一种装配式类矩形盾构隧道管片拼装结构 (Assembled type quasi-rectangular shield tunnel segment splicing structure ) 是由 邢荣军 徐湃 骆阳 姚忠明 程作洋 于 2021-10-18 设计创作，主要内容包括：本发明涉及一种装配式类矩形盾构隧道管片拼装结构,隧道管包括支撑板以及两个相对称的下管片、第一弧形管片、第二弧形管片与上管片,第一弧形管片与下管片相卡合,第二弧形管片与上管片相卡合,上管片的顶部与上底板的底部通过第二螺栓固定连接,且上管片靠近支撑板的一侧与支撑板滑动配合,支撑板的两侧均设有用于使对应第一弧形管片和第二弧形管片分别与隧道内壁紧紧贴合的推动组件,支撑板的两侧均设有用于同时固定第二L型板和上管片的连接组件；解决现有类矩形隧道内的隧道管片连接不稳定,隧道管片不能实时检测隧道内壁对管片的挤压力,无法检测隧道整体稳固性,影响隧道使用安全性的问题。(The invention relates to an assembled type rectangular shield tunnel segment assembling structure, wherein a tunnel tube comprises a support plate, two symmetrical lower segments, a first arc-shaped segment, a second arc-shaped segment and an upper segment, wherein the first arc-shaped segment is clamped with the lower segments, the second arc-shaped segment is clamped with the upper segment, the top of the upper segment is fixedly connected with the bottom of an upper base plate through a second bolt, one side of the upper segment, which is close to the support plate, is in sliding fit with the support plate, pushing assemblies used for enabling the corresponding first arc-shaped segment and the second arc-shaped segment to be tightly attached to the inner wall of a tunnel respectively are arranged on both sides of the support plate, and connecting assemblies used for fixing a second L-shaped plate and the upper segment simultaneously are arranged on both sides of the support plate; the problem of tunnel section of jurisdiction in the current class rectangle tunnel connect unstablely, tunnel section of jurisdiction can not the real-time detection tunnel inner wall to the extrusion force of section of jurisdiction, can't detect the whole steadiness in tunnel, influence tunnel safety in utilization is solved.)

1. An assembled rectangular shield tunnel segment splicing structure comprises a tunnel tube (1) positioned in a tunnel, and is characterized in that the tunnel tube (1) comprises a support plate (2), two symmetrical lower segments (3), a first arc-shaped segment (4), a second arc-shaped segment (5) and an upper tube segment (6), the top of the support plate (2) is fixedly connected with an upper bottom plate (12), the bottom of the support plate (2) is fixedly connected with a lower bottom plate (8), the bottoms of the sides, far away from each other, of the support plates (2) are fixedly connected with connecting plates (7), one sides, far away from the support plate (2), of the connecting plates (7) extend into the lower segments (3), a plurality of first bolts (9) are arranged in the lower segments (3), and the bottoms of the first bolts (9) penetrate through the lower segments (3) and the connecting plates (7) and are in threaded connection with the lower bottom plates (8), one side top of backup pad (2) is kept away from down section of jurisdiction (3) is equipped with first L type groove (10), one side fixedly connected with first L template (11) that backup pad (2) are close to in first arc section of jurisdiction (4), and first L template (11) and first L type groove (10) block mutually, one side fixedly connected with second L template (15) that backup pad (2) are close to in second arc section of jurisdiction (5), second bolt (13) fixed connection is passed through with the bottom of upper plate (12) in the top of going up section of jurisdiction (6), and one side and backup pad (2) sliding fit that last section of jurisdiction (6) are close to backup pad (2), one side bottom that backup pad (2) were kept away from in last section of jurisdiction (6) is equipped with second L type groove (14) with second L template (15) block mutually, the both sides of backup pad (2) all are equipped with and are used for making to correspond first arc section of jurisdiction (4) and second arc section of jurisdiction (5) and tightly organize the promotion that tunnel inner wall was laminated respectively The piece, the both sides of backup pad (2) all are equipped with the coupling assembling that is used for fixed second L template (15) and upper tube piece (6) simultaneously.

2. The assembled type quasi-rectangular shield tunnel segment splicing structure of claim 1, wherein the pushing assembly comprises a first electric push rod (18) rotatably connected to one side of the support plate (2), a plurality of first anchors (21) are arranged in the first arc-shaped segment (4), bottom ends of the plurality of first anchors (21) all penetrate through the first arc-shaped segment (4), tops of the plurality of first anchors (21) are fixedly connected with a same first cross rod (20), one side of the first cross rod (20) close to the first electric push rod (18) is rotatably connected with a second electric push rod (19), a plurality of second anchors (24) are arranged in the second arc-shaped segment (5), top ends of the plurality of second anchors (24) all penetrate through the second arc-shaped segment (5), bottom ends of the plurality of second anchors (24) are fixedly connected with a same second cross rod (23), one side of the second cross rod (23) close to the first electric push rod (18) is rotatably connected with a third electric push rod (22), and the third electric push rod (22) and the second electric push rod (19) are rotatably connected with an output shaft of the first electric push rod (18) through a rotating shaft (39).

3. The assembled type rectangular shield tunnel segment assembling structure of claim 1, wherein the connecting assembly comprises a supporting rod (38) fixedly connected to one side of the supporting plate (2) through bolts, a clamping groove (25) is formed in the upper segment (6), a clamping plate (26) extending into the clamping groove (25) is fixedly connected to the top end of the supporting rod (38), the clamping plate (26) is located in the clamping groove (25), a bidirectional screw (27) is transversely and rotatably connected to the inside of the clamping plate (26), two symmetrical sliding blocks (29) are slidably connected to the inside of the clamping plate (26), two ends of the bidirectional screw (27) respectively penetrate through the sliding blocks (29) in a threaded manner, a through hole (31) is formed in the upper segment (6), a sliding rod (32) extending into the second L-shaped plate (15) is slidably connected to the through hole (31), and a first pin (30) and a second pin (a) are respectively fixedly connected to one side, away from each other, of the two sliding blocks (29) 33) And one end of the first pin (30) far away from the second pin (33) extends into the through hole (31) and is in contact with the sliding rod (32), one end of the second pin (33) far away from the first pin (30) slides through the clamping plate (26) and extends into the supporting plate (2), the outer wall of the bidirectional screw (27) is fixedly sleeved with the rotary plate (28), and the bottom of the rotary plate (28) extends to the lower part of the clamping plate (26).

4. The assembled type quasi-rectangular shield tunnel segment assembling structure of claim 2, wherein the top of the first arc-shaped segment (4) is in threaded connection with a plurality of lead screws (16), the top of each lead screw (16) is rotatably connected with a push plate (17), and the top of each push plate (17) is in contact with the bottom of the second arc-shaped segment (5).

5. The assembled quasi-rectangular shield tunnel segment assembly structure of claim 1, wherein pressure sensors (40) are fixedly embedded in the lower segment (3), the first arc-shaped segment (4), the second arc-shaped segment (5) and one side of the upper segment (6) far away from the first electric push rod (18).

6. The assembled quasi-rectangular shield tunnel segment splicing structure of claim 4, wherein the top of the first arc-shaped segment (4) is fixedly connected with a rubber block (41), and the top of the rubber block (41) is in contact with the bottom of the push plate (17).

7. The assembled quasi-rectangular shield tunnel segment splicing structure of claim 4, wherein a deformation joint (42) is arranged in the first L-shaped groove (10).

8. The assembled type quasi-rectangular shield tunnel segment assembling structure according to claim 4, wherein a limiting plate (37) is fixedly connected to one side of the push plate (17) close to the first electric push rod (18), and the limiting plate (37) is in contact with the inner wall of the second arc-shaped segment (5).

9. The assembled type rectangular shield tunnel segment assembling structure of claim 3, wherein the bottom inner walls of the two second arc-shaped segments (5) are fixedly connected with fixing blocks (34), one side of the supporting rod (38) close to the second arc-shaped segments (5) is fixedly connected with a fixing rod (35), the other end of the fixing rod (35) is fixedly connected with the fixing blocks (34), the top of the fixing rod (35) is fixedly connected with a connecting rod (36), and the top end of the connecting rod (36) is fixedly connected with the supporting rod (38).

Technical Field

The invention belongs to the technical field of tunnel engineering, and relates to an assembled quasi-rectangular shield tunnel segment splicing structure.

Background

With the large-scale development of urban underground space, the shield construction technology has small influence on overground, underground structures and surrounding environment, ensures traffic passage, reduces road interruption, pipeline relocation and other advantages, is increasingly applied to urban road, underground common trench and subway tunnel construction, and has diversified and diversified trends in view of the development of the shield technology at home and abroad. In the aspect of tunnel sections, the tunnel sections are developed into the tunnel with the ultra-large diameter section and the tunnel with the special-shaped section. The section form of a highway tunnel, a railway tunnel, a subway tunnel, a pedestrian and underground common trench is most suitable and economical in a rectangular or similar rectangular form according to the analysis of the using function of the tunnel, so that the research and development and application meaning of a similar rectangular shield are very important.

But among the prior art, tunnel section of jurisdiction in the class rectangle tunnel is when assembling through the jack, it is fixed directly to connect two adjacent sections of jurisdiction through the bolt, this kind of connected mode is comparatively crude, the tunnel section of jurisdiction after the connection can't block the pressure that comes from in the soil horizon, cause tunnel collapse easily, and the section of jurisdiction at top is many to be connected through adjacent section of jurisdiction, can't effectually support the last section of jurisdiction, it falls to make the last section of jurisdiction fall for a long time easily, cause the traffic accident, the tunnel section of jurisdiction can not real-time detection tunnel inner wall to the extrusion force of section of jurisdiction in addition, and then can not detect the holistic steadiness in tunnel.

Disclosure of Invention

In view of the above, the invention provides an assembled type quasi-rectangular shield tunnel segment splicing structure, which aims to solve the problems that tunnel segments in an existing quasi-rectangular tunnel are unstable in connection, cannot detect the extrusion force of the tunnel inner wall to the segments in real time, cannot detect the integral stability of the tunnel, and influence the use safety of the tunnel.

In order to achieve the purpose, the invention provides the following technical scheme:

an assembled rectangular shield tunnel segment assembly structure comprises a tunnel tube positioned in a tunnel, wherein the tunnel tube comprises a support plate, two symmetrical lower tube segments, a first arc-shaped tube segment, a second arc-shaped tube segment and an upper tube segment, the top of the support plate is fixedly connected with an upper bottom plate, the bottom of the support plate is fixedly connected with a lower bottom plate, the bottoms of the sides, far away from each other, of the support plates are fixedly connected with connecting plates, one sides, far away from the support plate, of the connecting plates extend into the lower tube segments, a plurality of first bolts are arranged in the lower tube segments, the bottom ends of the first bolts penetrate through the lower tube segments and the connecting plates and are in threaded connection with the lower bottom plate, the top of one side, far away from the support plate, of the lower tube segments is provided with a first L-shaped groove, one side, close to the support plate, of the first arc-shaped tube segments is fixedly connected with a first L-shaped plate, and the first L-shaped plate is clamped with the first L-shaped groove, one side fixedly connected with second L template that second arc section of jurisdiction is close to the backup pad, the top of going up the section of jurisdiction passes through second bolt fixed connection with the bottom of upper plate, and goes up one side and backup pad sliding fit that the section of jurisdiction is close to the backup pad, one side bottom that the backup pad was kept away from to the section of jurisdiction is equipped with the second L type groove with second L template looks block, the both sides of backup pad all are equipped with and are used for making to correspond first arc section of jurisdiction and second arc section of jurisdiction tightly laminated promotion subassembly with the tunnel inner wall respectively, the both sides of backup pad all are equipped with the coupling assembling that is used for fixed second L template and last section of jurisdiction simultaneously.

Further, promote the subassembly including rotating the first electric putter who connects in backup pad one side, be equipped with a plurality of first rivets in the first arc section of jurisdiction, and the bottom of a plurality of first rivets all runs through first arc section of jurisdiction, and is a plurality of the same first horizontal pole of top fixedly connected with of first rivet, one side that first horizontal pole is close to first electric putter rotates and is connected with second electric putter, be equipped with a plurality of second rivets in the second arc section of jurisdiction, and the top of a plurality of second rivets all runs through second arc section of jurisdiction, and is a plurality of the same second horizontal pole of bottom fixedly connected with of second rivet, one side that the second horizontal pole is close to first electric putter rotates and is connected with third electric putter, third electric putter and second electric putter all rotate through pivot and first electric putter's output shaft and are connected.

Further, the connecting assembly comprises a supporting rod fixedly connected to one side of the supporting plate through a bolt, a clamping groove is formed in the upper tube sheet, a clamping plate extending into the clamping groove is fixedly connected to the top end of the supporting rod and located in the clamping groove, a bidirectional screw rod is transversely and rotatably connected into the clamping plate, two symmetrical sliding blocks are slidably connected into the clamping plate, two ends of the bidirectional screw rod respectively penetrate through the sliding blocks in a threaded manner, a through hole is formed in the upper tube sheet, a sliding rod extending into the second L-shaped plate is slidably connected into the through hole, a first pin and a second pin are respectively and fixedly connected to the sides, far away from each other, of the two sliding blocks, one end, far away from the second pin, of the first pin extends into the through hole and is in contact with the sliding rod, one end, far away from the first pin, of the second pin penetrates through the clamping plate and extends into the supporting plate, a rotary table is fixedly sleeved on the outer wall of the bidirectional screw rod, and the bottom of carousel extends to the below of cardboard, can start the supporting role to cardboard and last pipe piece through the bracing piece.

Further, the top threaded connection of first arc section of jurisdiction has a plurality of lead screws, the top of lead screw is rotated and is connected with the push pedal, and the top of push pedal touches with the bottom of second arc section of jurisdiction mutually, makes the push pedal rebound through rotating the lead screw to make the push pedal touch with the second arc section of jurisdiction mutually, and then can make first arc section of jurisdiction and second arc section of jurisdiction tightly laminate with the bottom inner wall and the top inner wall in tunnel respectively.

Further, one side that first electric putter was kept away from to section of jurisdiction, first arc section of jurisdiction, second arc section of jurisdiction and last pipe piece down all is fixed to be inlayed and is equipped with pressure sensors, can detect the extrusion force of section of jurisdiction, second arc section of jurisdiction, first arc section of jurisdiction and last section of jurisdiction down to the tunnel pipe's that can analyze out security is born to section of jurisdiction, second arc section of jurisdiction, first arc section of jurisdiction and last pipe piece self under according to pressure sensors.

Further, the top fixedly connected with block rubber of first arc section of jurisdiction, and the top of block rubber touches with the bottom of push pedal.

Further, be equipped with the movement joint in the first L type inslot, can avoid first L template and lower pipe piece hard contact to appear through the movement joint.

Further, one side fixedly connected with limiting plate that the push pedal is close to first electric putter, and the limiting plate bumps with the inner wall of second arc section of jurisdiction mutually and touches, can play limiting displacement to second arc section of jurisdiction through the limiting plate.

Further, two the equal fixedly connected with fixed block of bottom inner wall of second arc section of jurisdiction, one side fixedly connected with dead lever that the bracing piece is close to second arc section of jurisdiction, and the other end and the fixed block fixed connection of dead lever, the top fixedly connected with connecting rod of dead lever, the top and the bracing piece fixed connection of connecting rod can support second arc section of jurisdiction, last section of jurisdiction and cardboard through the cooperation of fixed block, dead lever and connecting rod, increase the steadiness of second arc section of jurisdiction and last section of jurisdiction.

The invention has the beneficial effects that:

1. according to the assembled type rectangular shield tunnel segment assembling structure disclosed by the invention, the screw rod is rotated, the screw rod drives the push plate to move upwards, so that the push plate is contacted with the second arc-shaped segment, the push plate generates an upward thrust on the second arc-shaped segment, the second arc-shaped segment and the first arc-shaped segment are tightly attached to the inner wall of the top of the tunnel and the inner wall of the bottom of the tunnel respectively, and the stability of the first arc-shaped segment and the second arc-shaped segment is improved.

2. According to the assembled type rectangular shield tunnel segment assembling structure disclosed by the invention, the pressure sensors are arranged in the lower segment, the second arc-shaped segment, the first arc-shaped segment and the upper segment, the extrusion force of the tunnel inner wall to the lower segment, the second arc-shaped segment, the first arc-shaped segment and the upper segment can be detected in real time through the pressure sensors, and the use safety of the tunnel segment can be reasonably analyzed according to the self-bearable pressure threshold values of the lower segment, the second arc-shaped segment, the first arc-shaped segment and the upper segment.

3. According to the assembled type quasi-rectangular shield tunnel segment assembling structure disclosed by the invention, the first electric push rod, the second electric push rod and the third electric push rod are started simultaneously, acting force among the first electric push rod, the second electric push rod and the third electric push rod can enable the first cross rod and the second cross rod to respectively push the first anchor bolt and the second anchor bolt to extend into a tunnel rock stratum, and meanwhile, the first arc-shaped segment and the second arc-shaped segment can be tightly attached to the inner wall of a tunnel, so that the stability of the first arc-shaped segment and the tunnel inner wall is strengthened, and the resistance of the first arc-shaped segment and the second arc-shaped segment to the soil layer is increased.

4. According to the assembled type rectangular shield tunnel segment assembling structure disclosed by the invention, by rotating the bidirectional screw rod, the two sliding blocks respectively push the first pin and the second pin to slide towards two sides, the first pin extends into the through hole and pushes the sliding rod to extend into the second L-shaped plate, the second pin can extend into the supporting plate, and then the second arc-shaped segment, the second L-shaped plate, the upper segment, the clamping plate and the supporting plate can be connected into a whole to increase the stability of the upper segment and the second arc-shaped segment.

5. According to the assembled type rectangular shield tunnel segment assembling structure disclosed by the invention, the lead screw is rotated to push the push plate to move upwards, so that the stability of the first arc-shaped segment and the second arc-shaped segment can be increased, the second arc-shaped segment supports the upper tube segment through the second L-shaped plate, and the first pin and the second pin can slide towards two sides by rotating the bidirectional screw, so that the second arc-shaped segment, the upper tube segment and the support plate are connected into a whole, so that the upper tube segment is prevented from falling from the upper side, in addition, the first anchor nail and the second anchor nail are simultaneously inserted into a tunnel soil layer, so that the first arc-shaped segment and the second arc-shaped segment are tightly attached to the inner wall of the tunnel, the stability of the tunnel is further ensured, and the use safety of the assembled type rectangular shield tunnel segment assembling structure is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a three-dimensional view of a segment splicing structure of an assembled quasi-rectangular shield tunnel according to the present invention;

FIG. 2 is a front view of a segment assembling structure of an assembled quasi-rectangular shield tunnel according to the present invention;

FIG. 3 is a three-dimensional view of a first arc-shaped segment and a lower segment in a segment assembly structure of an assembled quasi-rectangular shield tunnel according to the present invention;

FIG. 4 is a three-dimensional view of the connection of a lower segment and a first L-shaped plate in the segment assembly structure of an assembled quasi-rectangular shield tunnel according to the present invention;

FIG. 5 is a three-dimensional view of a support plate and a clamping plate in the assembled quasi-rectangular shield tunnel segment assembly structure of the invention;

FIG. 6 is a three-dimensional view of a pushing assembly in a segment assembling structure of an assembled quasi-rectangular shield tunnel according to the present invention;

FIG. 7 is a front sectional view of a connecting assembly in a segment-assembled structure of an assembled quasi-rectangular shield tunnel according to the present invention;

fig. 8 is a front view of an upper segment in a segment assembling structure of an assembled quasi-rectangular shield tunnel according to the present invention.

Reference numerals: 1. a tunnel pipe; 2. a support plate; 3. a duct piece is arranged; 4. a first arcuate segment; 5. a second arcuate segment; 6. an upper pipe piece; 7. a connecting plate; 8. a lower base plate; 9. a first bolt; 10. a first L-shaped groove; 11. a first L-shaped plate; 12. an upper base plate; 13. a second bolt; 14. a second L-shaped groove; 15. a second L-shaped plate; 16. a screw rod; 17. pushing the plate; 18. a first electric push rod; 19. a second electric push rod; 20. a first cross bar; 21. a first anchor; 22. a third electric push rod; 23. a second cross bar; 24. a second anchor; 25. a card slot; 26. clamping a plate; 27. a bidirectional screw; 28. a turntable; 29. a slider; 30. a first pin; 31. a through hole; 32. a slide bar; 33. a second pin; 34. a fixed block; 35. fixing the rod; 36. a connecting rod; 37. a limiting plate; 38. a support bar; 39. a rotating shaft; 40. a pressure sensor; 41. a rubber block; 42. and (4) deforming the joints.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Example one

As shown in fig. 1-7, an assembled rectangular shield tunnel segment assembly structure comprises a tunnel tube 1 located in a tunnel, the tunnel tube 1 comprises a support plate 2 and two symmetrical lower segments 3, a first arc-shaped segment 4, a second arc-shaped segment 5 and an upper segment 6, the top of the support plate 2 is connected with an upper base plate 12 through bolts, the bottom of the support plate 2 is connected with a lower base plate 8 through bolts, the bottom of one side of the support plate 2, which is away from each other, is connected with a connecting plate 7 through bolts, one side of the connecting plate 7, which is away from the support plate 2, extends into the lower segment 3, a plurality of first bolts 9 are arranged in the lower segment 3, the bottom ends of the first bolts 9 penetrate through the lower segments 3 and the connecting plate 7 and are in threaded connection with the lower base plate 8, and the top of one side of the lower segments 3, which is away from the support plate 2, is provided with a first L-shaped groove 10.

One side of a first arc-shaped duct piece 4 close to a support plate 2 is fixedly connected with a first L-shaped plate 11 through a bolt, the first L-shaped plate 11 is clamped with a first L-shaped groove 10, one side of a second arc-shaped duct piece 5 close to the support plate 2 is fixedly connected with a second L-shaped plate 15 through a bolt, the top of the upper duct piece 6 is fixedly connected with the bottom of an upper base plate 12 through a second bolt 13, one side of the upper duct piece 6 close to the support plate 2 is in sliding fit with the support plate 2, the bottom of one side of the upper duct piece 6 far away from the support plate 2 is provided with a second L-shaped groove 14 clamped with the second L-shaped plate 15, two sides of the support plate 2 are respectively provided with a pushing assembly for enabling the corresponding first arc-shaped duct piece 4 and the corresponding second arc-shaped duct piece 5 to be tightly attached to the inner wall of the tunnel respectively, two sides of the support plate 2 are respectively provided with a connecting assembly for simultaneously fixing the second L-shaped plate 15 and the upper duct piece 6, a lower duct piece 3 and the first arc-shaped duct piece 4, The pressure sensors 40 are fixedly embedded on the sides of the second arc-shaped duct piece 5 and the upper duct piece 6 far away from the first electric push rod 18, the extrusion force of the inner wall of the tunnel to the lower pipe sheet 3, the second arc-shaped pipe sheet 5, the first arc-shaped pipe sheet 4 and the upper pipe sheet 6 can be detected in real time through the pressure sensor 40, and the safety of the tunnel tube 1 can be analyzed according to the self bearing of the lower segment 3, the second segment 5, the first segment 4 and the upper segment 6, the top of the first segment 4 is connected with a plurality of screw rods 16 by screw threads, the top of the screw rods 16 is rotationally connected with a push plate 17, and the top of the push plate 17 is contacted with the bottom of the second segment 5, the push plate 17 is moved upwards by rotating the screw rod 16, and the push plate 17 is contacted with the second arc-shaped segment 5, and then can make first arc section of jurisdiction 4 and second arc section of jurisdiction 5 tightly laminate with the bottom inner wall and the top inner wall in tunnel respectively.

In the invention, the pushing component comprises a first electric push rod 18 which is rotatably connected to one side of a support plate 2, a plurality of first anchor bolts 21 are arranged in a first arc-shaped pipe piece 4, the bottom ends of the first anchor bolts 21 all penetrate through the first arc-shaped pipe piece 4, the top ends of the first anchor bolts 21 are fixedly connected with a same first cross rod 20, one side of the first cross rod 20, which is close to the first electric push rod 18, is rotatably connected with a second electric push rod 19, a plurality of second anchor bolts 24 are arranged in a second arc-shaped pipe piece 5, the top ends of the second anchor bolts 24 all penetrate through the second arc-shaped pipe piece 5, the bottom ends of the second anchor bolts 24 are fixedly connected with a same second cross rod 23, one side of the second cross rod 23, which is close to the first electric push rod 18, is rotatably connected with a third electric push rod 22, and the third electric push rod 22 and the second electric push rod 19 are both rotatably connected with an output shaft 39 of the first electric push rod 18, the first electric push rod 18, the second electric push rod 19 and the third electric push rod 22 are started simultaneously, acting force between the first electric push rod 18, the second electric push rod 19 and the third electric push rod 22 can enable the first cross rod 20 and the second cross rod 23 to respectively push the first anchor 21 and the second anchor 24 to extend into a tunnel rock stratum, meanwhile, the first arc-shaped duct piece 4 and the second arc-shaped duct piece 5 can be tightly attached to the inner wall of the tunnel, stability of the first arc-shaped duct piece 4, the second arc-shaped duct piece 5 and the inner wall of the tunnel is strengthened, and resistance of the first arc-shaped duct piece 4 and the second arc-shaped duct piece 5 to the soil layer is increased.

In the invention, the connecting assembly comprises a supporting rod 38 fixedly connected to one side of the supporting plate 2 through a bolt, a clamping groove 25 is arranged in the upper tube sheet 6, the top end of the supporting rod 38 is fixedly connected with a clamping plate 26 extending into the clamping groove 25 through a bolt, the clamping plate 26 is positioned in the clamping groove 25, a bidirectional screw 27 is transversely and rotatably connected in the clamping plate 26, two symmetrical slide blocks 29 are slidably connected in the clamping plate 26, two ends of the bidirectional screw 27 respectively penetrate through the slide blocks 29 in a threaded manner, a through hole 31 is arranged in the upper tube sheet 6, a slide rod 32 extending into the second L-shaped plate 15 is slidably connected in the through hole 31, one sides of the two slide blocks 29 far away from each other are respectively and fixedly connected with a first pin 30 and a second pin 33, one end of the first pin 30 far away from the second pin 33 extends into the through hole 31 and is in contact with the slide rod 32, one end of the second pin 33 far away from the first pin 30 slidably penetrates through the clamping plate 26 and extends into the supporting plate 2, fixed cover of outer wall of two-way screw 27 is equipped with carousel 28, and the bottom of carousel 28 extends to the below of cardboard 26, can start supporting role to cardboard 26 and upper arc segment 6 through bracing piece 38, rotate two-way screw 27, two sliders 29 promote first round pin 30 and second round pin 33 respectively and slide to both sides, first round pin 30 extends to in through-hole 31 and promotes slide bar 32 and extend to in the second L template 15, and second round pin 33 can extend to in the backup pad 2, and then can be with second arc segment 5, second L template 15, upper arc segment 6, cardboard 26 and backup pad 2 connect into a whole, a stability for increasing upper arc segment 6 and second arc segment 5.

In the invention, the top of the first arc-shaped duct piece 4 is fixedly connected with a rubber block 41 through a bolt, and the top of the rubber block 41 is contacted with the bottom of the push plate 17.

In the invention, the deformation joint 42 is arranged in the first L-shaped groove 10, and the first L-shaped plate 11 can be prevented from being in hard contact with the lower pipe piece 3 through the deformation joint 42.

In the invention, a limiting plate 37 is fixedly connected to one side of the push plate 17 close to the first electric push rod 18, and the limiting plate 37 is in contact with the inner wall of the second arc-shaped duct piece 5, so that the limiting plate 37 can limit the second arc-shaped duct piece 5.

Example two

This embodiment is as the further improvement of last embodiment, as shown in fig. 1-8, an assembled type class rectangle shield tunnel section of jurisdiction assembly structure, including being located tunnel 1 in the tunnel, tunnel 1 includes backup pad 2 and two symmetrical lower tube pieces 3, first arc section of jurisdiction 4, second arc section of jurisdiction 5 and upper tube piece 6, bolt fixedly connected with upper plate 12 is passed through at the top of backup pad 2, bolt fixedly connected with lower plate 8 is passed through at the bottom of backup pad 2, one side bottom that backup pad 2 kept away from each other all is through bolt fixedly connected with connecting plate 7, and one side that backup pad 2 was kept away from to connecting plate 7 extends to in lower tube piece 3, be equipped with a plurality of first bolts 9 in the lower tube piece 3, and the bottom of first bolt 9 runs through lower tube piece 3 and connecting plate 7 and with lower plate 8 threaded connection.

The top of one side of the lower pipe piece 3 far away from the supporting plate 2 is provided with a first L-shaped groove 10, one side of the first arc-shaped pipe piece 4 near the supporting plate 2 is fixedly connected with a first L-shaped plate 11 through a bolt, the first L-shaped plate 11 is clamped with the first L-shaped groove 10, one side of the second arc-shaped pipe piece 5 close to the supporting plate 2 is fixedly connected with a second L-shaped plate 15 through a bolt, the top of the upper pipe piece 6 is fixedly connected with the bottom of the upper bottom plate 12 through a second bolt 13, and go up one side and backup pad 2 sliding fit that pipe piece 6 is close to backup pad 2, go up one side bottom that pipe piece 6 kept away from backup pad 2 and be equipped with the second L type groove 14 of 15 looks blocks of second L template, the both sides of backup pad 2 all are equipped with and are used for making to correspond first arc section of jurisdiction 4 and second arc section of jurisdiction 5 respectively with the promotion subassembly that tightly laminates of tunnel inner wall, the both sides of backup pad 2 all are equipped with the coupling assembling that is used for fixed second L template 15 and last pipe piece 6 simultaneously.

The pressure sensors 40 are fixedly embedded on one sides of the lower pipe piece 3, the first arc-shaped pipe piece 4, the second arc-shaped pipe piece 5 and the upper pipe piece 6 which are far away from the first electric push rod 18, the extrusion force of the inner wall of the tunnel to the lower pipe sheet 3, the second arc-shaped pipe sheet 5, the first arc-shaped pipe sheet 4 and the upper pipe sheet 6 can be detected in real time through the pressure sensor 40, and the safety of the tunnel tube 1 can be analyzed according to the self bearing of the lower segment 3, the second segment 5, the first segment 4 and the upper segment 6, the top of the first segment 4 is connected with a plurality of screw rods 16 by screw threads, the top of the screw rods 16 is rotationally connected with a push plate 17, and the top of the push plate 17 is contacted with the bottom of the second segment 5, the push plate 17 is moved upwards by rotating the screw rod 16, and the push plate 17 is contacted with the second arc-shaped segment 5, and then can make first arc section of jurisdiction 4 and second arc section of jurisdiction 5 tightly laminate with the bottom inner wall and the top inner wall in tunnel respectively.

In the invention, the pushing component comprises a first electric push rod 18 which is rotatably connected to one side of a support plate 2, a plurality of first anchor bolts 21 are arranged in a first arc-shaped pipe piece 4, the bottom ends of the first anchor bolts 21 all penetrate through the first arc-shaped pipe piece 4, the top ends of the first anchor bolts 21 are fixedly connected with a same first cross rod 20, one side of the first cross rod 20, which is close to the first electric push rod 18, is rotatably connected with a second electric push rod 19, a plurality of second anchor bolts 24 are arranged in a second arc-shaped pipe piece 5, the top ends of the second anchor bolts 24 all penetrate through the second arc-shaped pipe piece 5, the bottom ends of the second anchor bolts 24 are fixedly connected with a same second cross rod 23, one side of the second cross rod 23, which is close to the first electric push rod 18, is rotatably connected with a third electric push rod 22, and the third electric push rod 22 and the second electric push rod 19 are both rotatably connected with an output shaft 39 of the first electric push rod 18, the first electric push rod 18, the second electric push rod 19 and the third electric push rod 22 are started simultaneously, acting force between the first electric push rod 18, the second electric push rod 19 and the third electric push rod 22 can enable the first cross rod 20 and the second cross rod 23 to respectively push the first anchor 21 and the second anchor 24 to extend into a tunnel rock stratum, meanwhile, the first arc-shaped duct piece 4 and the second arc-shaped duct piece 5 can be tightly attached to the inner wall of the tunnel, stability of the first arc-shaped duct piece 4, the second arc-shaped duct piece 5 and the inner wall of the tunnel is strengthened, and resistance of the first arc-shaped duct piece 4 and the second arc-shaped duct piece 5 to the soil layer is increased.

In the invention, the connecting assembly comprises a supporting rod 38 fixedly connected to one side of the supporting plate 2 through a bolt, a clamping groove 25 is arranged in the upper tube sheet 6, the top end of the supporting rod 38 is fixedly connected with a clamping plate 26 extending into the clamping groove 25 through a bolt, the clamping plate 26 is positioned in the clamping groove 25, a bidirectional screw 27 is transversely and rotatably connected in the clamping plate 26, two symmetrical slide blocks 29 are slidably connected in the clamping plate 26, two ends of the bidirectional screw 27 respectively penetrate through the slide blocks 29 in a threaded manner, a through hole 31 is arranged in the upper tube sheet 6, a slide rod 32 extending into the second L-shaped plate 15 is slidably connected in the through hole 31, one sides of the two slide blocks 29 far away from each other are respectively and fixedly connected with a first pin 30 and a second pin 33, one end of the first pin 30 far away from the second pin 33 extends into the through hole 31 and is in contact with the slide rod 32, one end of the second pin 33 far away from the first pin 30 slidably penetrates through the clamping plate 26 and extends into the supporting plate 2, fixed cover of outer wall of two-way screw 27 is equipped with carousel 28, and the bottom of carousel 28 extends to the below of cardboard 26, can start supporting role to cardboard 26 and upper arc segment 6 through bracing piece 38, rotate two-way screw 27, two sliders 29 promote first round pin 30 and second round pin 33 respectively and slide to both sides, first round pin 30 extends to in through-hole 31 and promotes slide bar 32 and extend to in the second L template 15, and second round pin 33 can extend to in the backup pad 2, and then can be with second arc segment 5, second L template 15, upper arc segment 6, cardboard 26 and backup pad 2 connect into a whole, a stability for increasing upper arc segment 6 and second arc segment 5.

In the invention, the top of the first arc-shaped duct piece 4 is fixedly connected with a rubber block 41 through a bolt, and the top of the rubber block 41 is contacted with the bottom of the push plate 17.

In the invention, the deformation joint 42 is arranged in the first L-shaped groove 10, and the first L-shaped plate 11 can be prevented from being in hard contact with the lower pipe piece 3 through the deformation joint 42.

In the invention, a limiting plate 37 is fixedly connected to one side of the push plate 17 close to the first electric push rod 18, and the limiting plate 37 is in contact with the inner wall of the second arc-shaped duct piece 5, so that the limiting plate 37 can limit the second arc-shaped duct piece 5.

In the invention, the inner walls of the bottoms of the two second arc-shaped duct pieces 5 are fixedly connected with the fixing blocks 34, one side of the support rod 38 close to the second arc-shaped duct pieces 5 is fixedly connected with the fixing rod 35, the other end of the fixing rod 35 is fixedly connected with the fixing blocks 34, the tops of the fixing rods 35 are fixedly connected with the connecting rod 36, the top end of the connecting rod 36 is fixedly connected with the support rod 38, the second arc-shaped duct pieces 5, the upper duct pieces 6 and the clamping plates 26 can be supported through the matching of the fixing blocks 34, the fixing rods 35 and the connecting rod 36, and the stability of the second arc-shaped duct pieces 5 and the upper duct pieces 6 is improved.

The advantages of the second embodiment over the first embodiment are: the equal fixedly connected with fixed block 34 of bottom inner wall of two second arc section of jurisdiction 5, one side fixedly connected with dead lever 35 that bracing piece 38 is close to second arc section of jurisdiction 5, and the other end and the 34 fixed connection of fixed block of dead lever 35, the top fixedly connected with connecting rod 36 of dead lever 35, the top and the bracing piece 38 fixed connection of connecting rod 36, through fixed block 34, the cooperation of dead lever 35 and connecting rod 36 can be to second arc section of jurisdiction 5, go up section of jurisdiction 6 and cardboard 26 and support, increase the steadiness of second arc section of jurisdiction 5 and last section of jurisdiction 6.

When this assembled type class rectangle shield tunnel section of jurisdiction is assembled, place backup pad 2 in the tunnel earlier, upper plate 12 and lower plate 8 conflict the top inner wall and the bottom inner wall in tunnel respectively, lower section of jurisdiction 3 and connecting plate 7 cooperation, connecting plate 7 inserts in lower section of jurisdiction 3, lower section of jurisdiction 3 through first bolt 9, connecting plate 7 and lower plate 8 carry out threaded connection, paste first arc section of jurisdiction 4 at the tunnel inner wall and place, first L template 11 can block into first L type groove 10, connect upper tube piece 6 and upper plate 12 through upper plate 12, upper tube piece 6 touches with tunnel top inner wall, place second arc section of jurisdiction 5 laminating tunnel inner wall after that, second L template 15 can block into second L type groove 14, rotate lead screw 16, lead screw 16 drives push pedal 17 rebound, make push pedal 17 touch with second arc section of jurisdiction 5.

First anchor 21 and second anchor 24 are then inserted into first segment 4 and second segment 5 respectively, the first electric push rod 18, the second electric push rod 19 and the third electric push rod 22 are respectively connected with the support plate 2, the first cross bar 20 and the second cross bar 23 in a rotating way, simultaneously starting the first electric push rod 18, the second electric push rod 19 and the third electric push rod 22, wherein the acting force among the first electric push rod 18, the second electric push rod 19 and the third electric push rod 22 can enable the first cross rod 20 and the second cross rod 23 to respectively push the first anchor 21 and the second anchor 24 to extend into the tunnel rock stratum, meanwhile, the first arc-shaped pipe piece 4 and the second arc-shaped pipe piece 5 can be tightly attached to the inner wall of the tunnel, the stability of being used for consolidating first arc section of jurisdiction 4 and second arc section of jurisdiction 5 and tunnel inner wall increases the resistance of first arc section of jurisdiction 4 and second arc section of jurisdiction 5 to the soil layer.

The screw rod 16 is continuously rotated, the push plate 17 is enabled to move upwards to extrude the second arc-shaped pipe piece 5, the connectivity between the first arc-shaped pipe piece 4 and the second arc-shaped pipe piece 5 is increased, then the clamping plate 26 is clamped into the clamping groove 25, the supporting rod 38 is fixed with the supporting plate 2 through a bolt to support the upper pipe piece 6, the rotary disc 28 is used for rotating the bidirectional screw 27, the bidirectional screw 27 is in threaded connection with the sliding blocks 29, along with the rotation of the bidirectional screw 27, the two sliding blocks 29 respectively push the first pin 30 and the second pin 33 to slide towards two sides, the first pin 30 extends into the through hole 31 and pushes the sliding rod 32 to extend into the second L-shaped plate 15, the second pin 33 can extend into the supporting plate 2, and then the second arc-shaped pipe piece 5, the second L-shaped plate 15, the upper pipe piece 6, the clamping plate 26 and the supporting plate 2 can be connected into a whole for increasing the stability of the pipe piece 6 and the second arc-shaped pipe piece 5, and finally, the first cross bar 20, the second cross bar 23, the first electric push rod 18, the second electric push rod 19 and the third electric push rod 22 are detached.

However, as those skilled in the art are familiar with the working principle and wiring method of the first electric putter 18, the second electric putter 19, the third electric putter 22 and the pressure sensor 40, which are conventional means or common knowledge in the art, they will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.