阅读说明：本技术 一种盾构隧道用的预制箱涵结构连接快速定位装置 (Quick positioner is connected to prefabricated box culvert structure that shield tunnel used ) 是由 鲍怡 于 2021-08-26 设计创作，主要内容包括：本发明公开了一种盾构隧道用的预制箱涵结构连接快速定位装置,涉及盾构技术领域,包括预制箱涵本体,所述预制箱涵本体的周围放置有四个呈圆周排列的管片,所述预制箱涵本体的上表面开设有槽口,所述槽口的内底壁放置有两个相对称的第一钢板,且两个第一钢板分别与位于最上方的两个管片固定连接,且第一钢板的前后两侧面分别与槽口的前后内壁接触。该盾构隧道用的预制箱涵结构连接快速定位装置,通过启动正反转电机能够使两个第二钢板分别带动两个直角限位板相互靠近,从而对预制箱涵本体进行快速定位,通过拉动第一拉环和第二拉环能够取出第一填充板和第二填充板,从而便于管片的拆卸,从而解决了背景技术中提出的问题。(The invention discloses a prefabricated box culvert structure connection quick positioning device for a shield tunnel, which relates to the technical field of shields and comprises a prefabricated box culvert body, wherein four pipe pieces which are arranged circumferentially are placed around the prefabricated box culvert body, a notch is formed in the upper surface of the prefabricated box culvert body, two symmetrical first steel plates are placed on the inner bottom wall of the notch, the two first steel plates are fixedly connected with the two pipe pieces positioned at the top, and the front side surface and the rear side surface of each first steel plate are respectively contacted with the front inner wall and the rear inner wall of the notch. This prefabricated box culvert structural connection quick positioner that shield tunnel used can make two second steel sheets drive two right angle limiting plates respectively and be close to each other through starting positive reverse motor to carry out quick location to prefabricated box culvert body, can take out first packing plate and second packing plate through pulling first pull ring and second pull ring, thereby the dismantlement of the section of jurisdiction of being convenient for, thereby the problem of proposing in the background art has been solved.)

1. The utility model provides a quick positioner is connected to prefabricated box culvert structure that shield tunnel used, includes prefabricated box culvert body (1), its characterized in that: four pipe pieces (2) which are arranged in a circumferential manner are placed around the prefabricated box culvert body (1), a notch (3) is formed in the upper surface of the prefabricated box culvert body (1), two symmetrical first steel plates (4) are placed on the inner bottom wall of the notch (3), the two first steel plates (4) are fixedly connected with the two pipe pieces (2) positioned on the top, the front side surface and the rear side surface of each first steel plate (4) are respectively contacted with the front inner wall and the rear inner wall of the notch (3), right-angle limiting plates (5) are respectively placed on the left side and the right side of the upper surface of the prefabricated box culvert body (1), one side surface, close to each other, of the two right-angle limiting plates (5) is fixedly connected with a second steel plate (6), two reverse first thread grooves (7) are respectively formed in the front parts of the right side surfaces of the two second steel plates (6), two reverse second thread grooves (8) are respectively formed in the rear parts of the right side surfaces of the two second steel plates (6), the right flank of two first steel sheets (4) all is fixed to be inlayed and is had two symmetrical bearing (9), it has axis of rotation (10) all to fix to inlay between the inner circle of per two bearing (9), and the both ends of two axis of rotation (10) are located respectively between two first thread groove (7) and two second thread groove (8), the equal fixedly connected with spacing dish (11) in both ends of two axis of rotation (10), two reverse thread strip (12) have all been seted up to the surface of two axis of rotation (10), and every thread strip (12) respectively with two first thread groove (7) and two second thread groove (8) threaded connection, and thread strip (12) that are located the place ahead are opposite with the thread strip (12) the thread direction that are located the rear.

2. The quick connecting and positioning device for the prefabricated box culvert structure for the shield tunnel according to claim 1, characterized in that: the inner walls of the two lowermost pipe pieces (2) are fixedly connected with semicircular supporting convex blocks (13), and the supporting convex blocks (13) are in contact with the prefabricated box culvert body (1).

3. The quick connecting and positioning device for the prefabricated box culvert structure for the shield tunnel according to claim 1, characterized in that: first T shape spout (14), two have all been seted up to a side that is located two section of jurisdiction (2) of the top and is close to each other first infill panel (15), two all are pegged graft in the inside of first T shape spout (14) the first limiting plate (16), two of the equal fixedly connected with in a side that first infill panel (15) kept away from each other first limiting plate (16) the first pull ring (17) of the equal fixedly connected with in front of first limiting plate (16).

4. The quick connecting and positioning device for the prefabricated box culvert structure for the shield tunnel according to claim 1, characterized in that: two adjacent side faces of the two lowermost duct pieces (2) are provided with second T-shaped sliding grooves (18), two second filling plates (19) are inserted into the second T-shaped sliding grooves (18), two second limiting plates (20) are fixedly connected to the two side faces, away from each other, of the second filling plates (19), and two second pull rings (21) are fixedly connected to the front faces of the second limiting plates (20).

5. The quick connecting and positioning device for the prefabricated box culvert structure for the shield tunnel according to claim 1, characterized in that: filling grooves (22) are formed in one side face, close to each other, of the two pipe pieces (2) located at the leftmost side and the two pipe pieces (2) located at the rightmost side, and a third filling plate (23) is inserted into the inner portion of each group of filling grooves (22).

6. The quick connecting and positioning device for the prefabricated box culvert structure for the shield tunnel according to claim 1, characterized in that: the outer surfaces of the two rotating shafts (10) are fixedly connected with gears (24), and chains (25) are meshed between the two gears (24).

7. The quick connecting and positioning device for the prefabricated box culvert structure for the shield tunnel according to claim 1, characterized in that: the upper surface of the right-angle limiting plate (5) located on the rightmost side is fixedly connected with a fixing block (26), a forward and reverse rotating motor (27) is fixedly inlaid in the upper surface of the fixing block (26), and the output end of the forward and reverse rotating motor (27) is fixedly connected with a limiting disc (11) located on the rightmost front side.

Technical Field

The invention relates to the technical field of shield tunneling, in particular to a connecting and quick positioning device for a prefabricated box culvert structure for a shield tunnel.

Background

The shield is a fully mechanical construction method in the construction of a subsurface excavation method, which is to push a shield machine in the ground, prevent collapse into a tunnel by supporting surrounding rocks around a shield shell and duct pieces, excavate a soil body by using a cutting device in front of an excavation surface, transport the soil out of a tunnel by an unearthing machine, press and jack the soil at the rear part by a jack, and assemble precast concrete duct pieces.

The prefabricated box culvert structure for the shield tunnel is difficult to connect a quick positioning device with the prefabricated box culvert structure, and errors are easily generated in the manufacturing and assembling of shield segments and the prefabricated structure, so that the connection precision of the segments and the prefabricated structure is difficult to guarantee.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a quick connecting and positioning device for a prefabricated box culvert structure for a shield tunnel, which solves the problem that errors are easy to generate in manufacturing and assembling.

In order to achieve the purpose, the invention provides the following technical scheme: a prefabricated box culvert structure connection quick positioning device for a shield tunnel comprises a prefabricated box culvert body, wherein four pipe pieces which are arranged in a circumferential mode are placed on the periphery of the prefabricated box culvert body, a notch is formed in the upper surface of the prefabricated box culvert body, two symmetrical first steel plates are placed on the inner bottom wall of the notch, the two first steel plates are fixedly connected with the two pipe pieces located at the top, the front side face and the rear side face of each first steel plate are respectively contacted with the front inner wall and the rear inner wall of the notch, right-angle limiting plates are respectively placed on the left side and the right side of the upper surface of the prefabricated box culvert body, one side face, close to each other, of the two right-angle limiting plates is fixedly connected with a second steel plate, two reverse first thread grooves are respectively formed in the front parts of the right side faces of the two second steel plates, two reverse second thread grooves are respectively formed in the rear parts of the right side faces of the two second steel plates, two the right flank of first steel sheet is all fixed to be inlayed and is had two symmetrical bearings, per two equal fixed the inlaying has the axis of rotation between the inner circle of bearing, and the both ends of two axis of rotation are located respectively between two first thread grooves and two second thread grooves, two the equal fixedly connected with spacing dish in both ends of axis of rotation, two reverse screw thread strip has all been seted up to the surface of axis of rotation, and every screw thread strip respectively with two first thread grooves and two second thread grooves threaded connection, and the screw thread strip that is located the place ahead is opposite with the screw thread strip screw thread direction that is located the rear.

Preferably, the inner walls of the two lowermost pipe pieces are fixedly connected to form semicircular supporting convex blocks, and the supporting convex blocks are in contact with the prefabricated box culvert body, so that supporting force is provided for the prefabricated box culvert body.

Preferably, a side that two sections of jurisdiction that are located the top are close to each other has all seted up first T shape spout, two the inside of first T shape spout is all pegged graft and is had first packing plate, two the first limiting plate of the equal fixedly connected with in a side that first packing plate kept away from each other, two the first pull ring of the equal fixedly connected with in front of first limiting plate has both improved the stability that is located two sections of jurisdiction in the top, has guaranteed to be located between two sections of jurisdiction in the top seal, is favorable to again being located two sections of jurisdiction in the top can convenient to detach installation.

Preferably, two side faces, close to each other, of the two lowermost duct pieces are provided with two T-shaped chutes, two second filling plates are inserted into the two T-shaped chutes, two second limiting plates are fixedly connected to the two side faces, far away from each other, of the second filling plates, and two second pull rings are fixedly connected to the front faces of the second limiting plates.

Preferably, the filling grooves are formed in the side faces, close to each other, of the two leftmost pipe segments and the two rightmost pipe segments, the third filling plate is inserted into the inner portion of each group of filling grooves, the airtightness between the two leftmost pipe segments and the airtightness between the two rightmost pipe segments are improved, the connection of the four pipe segments which can be stable is guaranteed, and the limiting effect can be achieved for the four pipe segments.

Preferably, two the equal fixedly connected with gear in surface of axis of rotation, the meshing is connected with the chain between two gears, has guaranteed that two axes of rotation can rotate simultaneously to be favorable to fixing a position prefabricated box culvert body.

Preferably, the last fixed surface that is located the right angle limiting plate on rightmost side is connected with the fixed block, and the last fixed surface of fixed block inlays and has just reversing motor, and just reversing motor's output and the spacing dish fixed connection that is located rightmost front, and just reversing motor provides power for the rotation of axis of rotation to the mesh of quick location of prefabricated box culvert body has been realized.

Compared with the prior art, the invention has the following beneficial effects:

1. this prefabricated box culvert structural connection quick positioner that shield tunnel used can make two second steel sheets drive two right angle limiting plates respectively and be close to each other through starting positive reverse motor to carry out quick location to prefabricated box culvert body, can take out first packing plate and second packing plate through pulling first pull ring and second pull ring, thereby the dismantlement of the section of jurisdiction of being convenient for, thereby the problem of proposing in the background art has been solved.

2. This prefabricated box culvert structural connection quick positioner that shield tunnel used, the equal fixedly connected with gear in surface through setting up the axis of rotation, the meshing is connected with the chain between two gears, two axes of rotation have been guaranteed and can have been rotated simultaneously, thereby be favorable to fixing a position prefabricated box culvert body, all peg graft through the inside that sets up every group filling groove and have the third filling plate, the seal that is located between two sections of jurisdiction on leftmost and two sections of jurisdiction on rightmost side has been improved, the connection that four sections of jurisdiction can be stable has been guaranteed, can play limiting displacement for four sections of jurisdiction again.

Drawings

Figure 1 is a front view of a prefabricated box culvert body of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

figure 3 is a cross-sectional view of a front view of the precast box culvert body of the present invention;

figure 4 is a cross-sectional view of the right side view of the precast box culvert body of the present invention;

fig. 5 is a sectional view of a left side view of a second steel plate of the present invention.

In the figure: 1. prefabricating a box culvert body; 2. a duct piece; 3. a notch; 4. a first steel plate; 5. a right-angle limiting plate; 6. a second steel plate; 7. a first thread groove; 8. a second thread groove; 9. a bearing; 10. a rotating shaft; 11. a limiting disc; 12. a threaded strip; 13. supporting the projection; 14. a first T-shaped chute; 15. a first infill panel; 16. a first limit plate; 17. a first pull ring; 18. a second T-shaped chute; 19. a second infill panel; 20. a second limiting plate; 21. a second tab; 22. filling the groove; 23. a third infill panel; 24. a gear; 25. a chain; 26. a fixed block; 27. a positive and negative rotation motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a prefabricated box culvert structure connection quick positioning device for a shield tunnel comprises a prefabricated box culvert body 1, four pipe pieces 2 arranged in a circumferential manner are placed around the prefabricated box culvert body 1, inner walls of two pipe pieces 2 positioned at the bottom are fixedly connected with semicircular supporting convex blocks 13, the supporting convex blocks 13 are in contact with the prefabricated box culvert body 1, so as to provide supporting force for the prefabricated box culvert body 1, one side surfaces, close to each other, of the two pipe pieces 2 positioned at the top are respectively provided with a first T-shaped sliding chute 14, first filling plates 15 are respectively inserted into the two first T-shaped sliding chutes 14, one side surface, far away from each other, of the two first filling plates 15 is respectively and fixedly connected with a first limiting plate 16, the front surfaces of the two first limiting plates 16 are respectively and fixedly connected with a first pull ring 17, so as to improve the stability of the two pipe pieces 2 positioned at the top, the airtightness between the two uppermost tube sheets 2 is ensured, the two uppermost tube sheets 2 can be conveniently disassembled and assembled, the two mutually adjacent sides of the two lowermost tube sheets 2 are respectively provided with a second T-shaped chute 18, the two second T-shaped chutes 18 are internally inserted with a second filling plate 19, the two mutually remote sides of the two second filling plates 19 are respectively and fixedly connected with a second limiting plate 20, the front sides of the two second limiting plates 20 are respectively and fixedly connected with a second pull ring 21, the stability of the two lowermost tube sheets 2 is improved, the airtightness between the two lowermost tube sheets 2 is ensured, the two lowermost tube sheets 2 can be conveniently disassembled and assembled, the two leftmost tube sheets 2 and the mutually adjacent sides of the two rightmost tube sheets 2 are respectively provided with a filling groove 22, and a third filling plate 23 is inserted in each group of filling grooves 22, the airtightness between the two leftmost pipe segments 2 and the two rightmost pipe segments 2 is improved, the stable connection of the four pipe segments 2 is ensured, the limiting effect can be achieved for the four pipe segments 2, the notch 3 is formed in the upper surface of the prefabricated box culvert body 1, two symmetrical first steel plates 4 are placed on the inner bottom wall of the notch 3, the two first steel plates 4 are fixedly connected with the two uppermost pipe segments 2 respectively, the front side surface and the rear side surface of each first steel plate 4 are in contact with the front inner wall and the rear inner wall of the notch 3 respectively, the limitation on the prefabricated box culvert body 1 is facilitated, the problem that the prefabricated box culvert body 1 deviates forwards and backwards is avoided, right-angle limiting plates 5 are placed on the left side and the right side surface of the upper surface of the prefabricated box culvert body 1, the side surfaces, which are close to each other, of the two right-angle limiting plates 5 are fixedly connected with second steel plates 6, two reverse first thread grooves 7 are formed in the front parts of the right side surfaces of the two second steel plates 6 respectively, the rear parts of the right sides of the two second steel plates 6 are respectively provided with two reverse second thread grooves 8, the right sides of the two first steel plates 4 are respectively fixedly embedded with two symmetrical bearings 9, a rotating shaft 10 is fixedly embedded between the inner rings of each two bearings 9, two ends of each two rotating shaft 10 are respectively positioned between the two first thread grooves 7 and the two second thread grooves 8, the outer surfaces of the two rotating shafts 10 are respectively and fixedly connected with a gear 24, a chain 25 is meshed and connected between the two gears 24, so that the two rotating shafts 10 can simultaneously rotate, the prefabricated box culvert body 1 is favorably positioned, two ends of each two rotating shafts 10 are respectively and fixedly connected with a limiting disc 11, the upper surface of the right-angle limiting plate 5 positioned at the rightmost side is fixedly connected with a fixed block 26, the upper surface of the fixed block 26 is fixedly embedded with a forward and reverse motor 27, and the output end of the forward and reverse motor 27 is fixedly connected with the limiting disc 11 positioned at the rightmost front, positive and negative motor 27 provides power for the rotation of axis of rotation 10 to realized the purpose to prefabricated box culvert body 1 quick location, two reverse screw thread strips 12 have all been seted up to the surface of two axis of rotation 10, and every screw thread strip 12 respectively with two first thread grooves 7 and two second thread grooves 8 threaded connection, and the screw thread strip 12 that is located the place ahead is opposite with the screw thread strip 12 screw thread direction that is located the rear.

The working principle is as follows: at first start positive and negative motor 27 that changes, positive and negative motor 27 drives and is located the spacing dish 11 rotation of right front most, spacing dish 11 drives and is located the rotation axis 10 rotation of forefront, the rotation axis 10 that is located the forefront is connected through the meshing of two gears 24 and chain 25, it can rotate simultaneously to have guaranteed that two rotation axes 10, two rotation axes 10 drive two second steel sheets 6 respectively through four screw thread strips 12 and are close to each other, two second steel sheets 6 drive two right angle limiting plates 5 respectively and are close to each other, two right angle limiting plates 5 promote prefabricated box culvert body 1 and fix a position fast, thereby the problem of proposition in the background art has been solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.