CN214145511U

CN214145511U - Subway tunnel concrete member and connecting pendant thereof

Info

Publication number: CN214145511U
Application number: CN202022976187.2U
Authority: CN
Inventors: 郑玉恒
Original assignee: Beijing Donglin Concrete Products Co ltd
Current assignee: Beijing Donglin Concrete Products Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-07
Anticipated expiration: 2030-12-08

Abstract

The application relates to a subway tunnel concrete member and a connecting pendant thereof, relating to the field of concrete members, wherein the connecting pendant comprises a mounting bar and a fixing part connected with the mounting bar; the mounting bar is of a hollow structure; a through groove communicated with the inside of the mounting strip is formed in one side of the mounting strip; the fixing part comprises a positioning block which penetrates through the through groove and is inserted into the mounting strip and a threaded column which is fixed on one side of the positioning block; one end of the threaded column penetrates through the through groove and is in threaded connection with a fixing nut. The present application has the effect of facilitating installation of the pipeline.

Description

Subway tunnel concrete member and connecting pendant thereof

Technical Field

The application relates to the field of concrete members, in particular to a subway tunnel concrete member and a connecting hanger thereof.

Background

At present, subways are used as important infrastructure of modern cities, and in large-scale construction of China, subway tunnels are key projects in subway construction, wherein installation of pipelines in the subways is also an important work for guaranteeing safe operation of the subways. At present, most subway tunnels in China adopt a shield technology, and tunnel linings are formed by splicing precast concrete segments and have higher waterproof requirements.

At present, chinese utility model patent that publication number is CN206280079U discloses a tunnel segment, including the section of jurisdiction body, be equipped with the sealing strip along its circumference on the lateral wall of section of jurisdiction body, the outside that lies in the sealing strip on the lateral wall of section of jurisdiction body is equipped with the sealing strip, be provided with a plurality of air cavity in the sealing strip, the packing has powdered water absorbent in the air cavity, installs the sealing strip in the outside of sealing strip.

With respect to the related art in the foregoing, the inventor considers that in the above technical solution, it is inconvenient to install cables, water pipes and other pipelines in the subway tunnel.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the pipeline is not convenient for on the current pipe piece, this application provides a subway tunnel concrete member and connects the pendant.

The application provides a connect pendant adopts following technical scheme:

a connecting pendant comprises a mounting bar and a fixing part connected with the mounting bar; the mounting bar is of a hollow structure; a through groove communicated with the inside of the mounting strip is formed in one side of the mounting strip; the fixing part comprises a positioning block which penetrates through the through groove and is inserted into the mounting strip and a threaded column which is fixed on one side of the positioning block; one end of the threaded column penetrates through the through groove and is in threaded connection with a fixing nut.

Through adopting above-mentioned technical scheme, with the component fixed connection of mounting bar and required installation pipeline, peg graft the locating piece in the mounting bar, through screwing up fixation nut for the locating piece supports tightly on the mounting bar is close to the inside wall that leads to the groove, and fixation nut supports tightly on the mounting bar is provided with the lateral wall that leads to the groove, thereby can press from both sides tightly on the mounting bar, carries out erection joint with the pipeline through the screw thread post again, is favorable to the easy to assemble pipeline.

Preferably, the positioning block is an oblique parallelepiped; the distance between the two long side surfaces of the positioning block is smaller than the width of the through groove; one short side of locating piece and the interior roof butt of mounting bar, another short side of locating piece and the interior diapire butt of mounting bar.

Through adopting above-mentioned technical scheme, when needs installation pipeline, at first pass logical groove with the locating piece, rotate the screw thread post again, make the screw thread post drive the locating piece and rotate, make the interior roof butt of a minor face side of locating piece and mounting bar, another minor face side of locating piece and the interior diapire butt of mounting bar, make the locating piece more with the area of mounting bar inner wall contact, be difficult for taking place to rotate, after screwing up fixed nut, can make the structural mounting of fixed part more reliable and more stable.

Preferably, a gasket is sleeved on the threaded column; the gasket is located between mounting bar and fixation nut, and the external diameter of gasket is greater than the groove width that leads to the groove.

Through adopting above-mentioned technical scheme, set up the gasket, can improve the fixed effect of being connected of strengthening fixation nut and mounting bar for fixation nut and locating piece can be connected more reliably with the mounting bar.

Preferably, one side of the positioning block, which is close to the through groove, is provided with anti-skid grains.

Through adopting above-mentioned technical scheme, set up anti-skidding line in one side of locating piece, can increase the frictional force of locating piece and mounting bar inside wall, be convenient for improve the stability of being connected of locating piece and mounting bar.

Preferably, a reinforcing piece is arranged on one side of the mounting strip; a plurality of reinforcing pieces are arranged at intervals along the length direction of the mounting strip; the reinforcement comprises a reinforcing column fixed on one side of the mounting strip, which is far away from the through groove, and a reinforcing sheet fixed on one end of the reinforcing column, which is far away from the mounting strip.

Through adopting above-mentioned technical scheme, set up the reinforcement, can improve the stability of being connected of mounting bar and concrete member, improve the fixed effect to the mounting bar. The reinforcement that a plurality of intervals set up has further improved mounting bar connection stability, and through the combination of reinforcing piece and reinforcing post, can effectively reduce the possibility that mounting bar and concrete member take place to break away from.

Preferably, a reinforcing block is arranged on one side, close to the threaded column, of the positioning block.

Through adopting above-mentioned technical scheme, set up the boss, can improve screw thread post and locating piece joint strength, improve overall structure's reliability.

Preferably, the reinforcing block is a rhombohedral; the distance between the two long side surfaces of the reinforcing block is smaller than the width of the through groove; one short side face of the reinforcing block is abutted to the upper groove wall of the through groove, and the other short side face of the reinforcing block is abutted to the lower groove wall of the through groove.

Through adopting above-mentioned technical scheme, after the locating piece is pegged graft in the mounting bar, rotate the locating piece, can make the boss can with the cell wall butt that leads to the groove, further improve overall structure's stability. And, because the length direction of boss and locating piece is unanimous, can judge the condition of locating piece and mounting bar inside wall butt through the state of boss and logical groove butt to be convenient for install the fixed part.

The application provides a subway tunnel concrete member adopts following technical scheme:

a subway tunnel concrete member comprises a segment body, wherein a connecting hanging piece is arranged on the segment body, and an installation groove is formed in the inner peripheral side wall of the segment body; one side of the mounting bar, which is far away from the through groove, is fixed at the bottom of the mounting groove.

Through adopting above-mentioned technical scheme, pre-buried being provided with on section of jurisdiction body connects the pendant, can the easy to assemble pipeline, need not carry out the trompil on prefabricated section of jurisdiction body, has improved the structural strength of section of jurisdiction body.

Preferably, a fixing groove in inserting fit with the reinforcing piece is formed at the bottom of the mounting groove.

Through adopting above-mentioned technical scheme, set up the fixed slot, be favorable to the reinforcement to be fixed with being connected of section of jurisdiction body, improve the installation stability of connecting the pendant.

Preferably, the left side of the segment body is provided with a slot; the right side of the segment body is provided with an inserting strip; and the inserting strip of the segment body is in inserting fit with the inserting groove in the segment body adjacent to the segment body in the horizontal direction.

Through adopting above-mentioned technical scheme, the setting of cutting and slot is favorable to improving the connection of two adjacent section of jurisdiction bodies that set up along the horizontal direction, when connecting, can make two adjacent section of jurisdiction bodies align, improves the speed of installation concatenation.

In summary, the present application includes at least one of the following beneficial technical effects:

the mounting bar is fixedly connected with a component of a pipeline to be mounted, the positioning block is inserted into the mounting bar, the positioning block is tightly abutted to the inner side wall, close to the through groove, of the mounting bar by screwing the fixing nut, the fixing nut is tightly abutted to the outer side wall, provided with the through groove, of the mounting bar, so that the positioning block can be tightly clamped on the mounting bar, and then the pipeline is mounted and connected through the threaded column, so that the pipeline is convenient to mount;

the reinforcing piece is arranged, so that the connection stability of the mounting bar and the concrete member can be improved, and the fixing effect of the mounting bar is improved;

after the locating piece is inserted in the mounting bar, the locating piece is rotated, so that the reinforcing block can be abutted against the groove wall of the through groove, and the stability of the whole structure is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a connection pendant according to an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a segment body according to an embodiment of the present application.

Fig. 4 is a schematic view of the installation of the segment body according to the embodiment of the present application.

Description of reference numerals: 1. mounting a bar; 11. a through groove; 2. a fixed part; 21. positioning blocks; 22. a threaded post; 23. fixing a nut; 24. a gasket; 25. a reinforcing block; 3. a reinforcement; 31. a reinforcement column; 32. a reinforcing sheet; 4. a segment body; 41. mounting grooves; 42. fixing grooves; 43. a slot; 44. cutting; 45. a first connection hole; 46. a second connection hole; 47. avoiding the groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a connecting pendant. Referring to fig. 1, a connect pendant, including mounting bar 1 and fixed part 2, the cross-section of mounting bar 1 is the arc, and mounting bar 1 is hollow structure, and logical groove 11 has been seted up to one side of mounting bar 1, leads to groove 11 and sets up along the length direction of mounting bar 1, and leads to the inside of groove 11 and mounting bar 1 and be linked together.

Referring to fig. 2, the fixing portion 2 includes a positioning block 21, a threaded column 22, a fixing nut 23 and a gasket 24, and the positioning block 21 is formed with anti-slip threads on one side close to the through groove 11, so that stability of connection with the inner side wall of the mounting bar 1 can be improved. The positioning block 21 is a parallelepiped, and the positioning block 21 has two long side faces oppositely disposed and two short side faces oppositely disposed. The distance between the two long side surfaces of the positioning block 21 is smaller than the width of the through groove 11. One side of locating piece 21 near screw thread post 22 is fixed with boss 25, and boss 25 is oblique parallelepiped, and boss 25 has the relative long limit side that sets up and two relative short limit sides that set up, and the interval of two long limit sides of locating piece 21 is less than the groove width that leads to groove 11. One end of the threaded column 22 is inserted and fixed on one side of the reinforcing block 25 far away from the positioning block 21, and the other end of the threaded column 22 passes through the through groove 11 and is in threaded connection with the fixing nut 23. The gasket 24 is sleeved on the threaded column 22, the gasket 24 is positioned between the mounting bar 1 and the fixing nut 23, and the outer diameter of the gasket 24 is larger than the groove width of the through groove 11. Insert locating piece 21 in logical groove 11 from leading to back in mounting bar 1, screw thread post 22 rotates, make a short side of boss 25 and the last cell wall butt that leads to groove 11, another short side of boss 25 and the lower cell wall butt that leads to groove 11, a short side of locating piece 21 and the interior roof butt of mounting bar 1, another short side of locating piece 21 and the interior diapire butt of mounting bar 1, tighten fixation nut 23 again, make gasket 24 and mounting bar 1 be provided with the lateral wall that leads to groove 11 and support tightly, locating piece 21 and mounting bar 1 are provided with the inside wall that leads to groove 11 and support tightly.

Referring to fig. 2, the reinforcing member 3 is fixedly mounted on one side of the mounting bar 1 away from the through groove 11, and the reinforcing members 3 are arranged in plurality at intervals along the length direction of the mounting bar 1, so that the connection strength between the mounting bar 1 and the concrete member can be improved. The reinforcement 3 includes a reinforcement column 31 and a reinforcement piece 32, one end of the reinforcement column 31 is fixedly connected to one side of the mounting bar 1 away from the through groove 11, and the reinforcement piece 32 is fixedly connected to one end of the reinforcement column 31 away from the mounting bar 1.

The embodiment of the application also discloses a subway tunnel concrete member.

Referring to fig. 3, a subway tunnel concrete component, including section of jurisdiction body 4 that the cross-section is the arc form, install the connection pendant on section of jurisdiction body 4, when prefabricated section of jurisdiction body 4, with mounting bar 1 and 3 pre-buried in section of jurisdiction body 4 of reinforcement.

Referring to fig. 4, a mounting groove 41 is formed on the inner circumferential side wall of the segment body 4, a fixing groove 42 is formed at the bottom of the mounting groove 41, one side of the mounting bar 1, which is far away from the through groove 11, is fixed to the bottom of the mounting groove 41, the reinforcing member 3 is fixed to the fixing groove 42, and the mounting bar 1 is provided with one side of the through groove 11 flush with the inner circumferential side wall of the segment body 4. The slot 43 has been seted up at the left side wall of section of jurisdiction body 4, and the right side wall shaping of section of jurisdiction body 4 has the cutting 44, and the cutting 44 of a section of jurisdiction body 4 and the cooperation of pegging graft of the slot 43 on the adjacent section of jurisdiction body 4 along the horizontal direction, and the shaping has a plurality of first connecting holes 45 and second connecting hole 46 on the interior circumference lateral wall of section of jurisdiction body 4. The first connecting holes 45 and the second connecting holes 46 are arranged in two rows, one row of the first connecting holes 45 is close to the upper end face of the segment body 4, and the other row of the first connecting holes 45 is close to the lower end face of the segment body 4 and used for being inserted into the first connecting holes 45 through bolts to connect two segment bodies 4 adjacent to each other in the vertical direction; one row of second connecting holes 46 is close to the left side wall of the segment body 4, and the other row of second connecting holes 46 is close to the right side wall of the segment body 4, and is used for being connected with two adjacent segment bodies 4 arranged in the horizontal direction in the second connecting holes 46 through bolts in an inserting manner. The first connecting holes 45 are obliquely arranged from bottom to top toward the outer peripheral side wall close to the segment body 4, and the second connecting holes 46 are obliquely arranged from bottom to top toward the outer peripheral side wall close to the segment body 4. The side wall of the inner periphery of the segment body 4, which is located at the first connecting hole 45 and the second connecting hole 46, is formed with an avoiding groove 47, so that the splicing bolts can be conveniently connected with two adjacent segment bodies 4.

The implementation principle of the connection pendant in the embodiment of the application is as follows: when needs installation pipeline, at first pass logical groove 11 with locating piece 21, rotate threaded column 22 again, make threaded column 22 drive locating piece 21 and rotate, make a short limit side of boss 25 and the last cell wall butt that leads to groove 11, another short limit side of boss 25 and the lower cell wall butt that leads to groove 11, a short limit side of locating piece 21 and the interior roof butt of installing strip 1, another short limit side of locating piece 21 and the interior diapire butt of installing strip 1, because the area of locating piece 21 and the 1 inner wall contact of installing strip is more, difficult emergence is rotated, after screwing up fixation nut 23, can make the structural mounting of fixed part 2 more reliable and more stable.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a connect pendant which characterized in that: comprises a mounting bar (1) and a fixing part (2) connected with the mounting bar (1); the mounting bar (1) is of a hollow structure; one side of the mounting bar (1) is provided with a through groove (11) communicated with the inside of the mounting bar (1); the fixing part (2) comprises a positioning block (21) which penetrates through the through groove (11) and is inserted into the mounting strip (1) and a threaded column (22) which is fixed on one side of the positioning block (21); one end of the threaded column (22) penetrates through the through groove (11) and is connected with a fixing nut (23) in a threaded mode.

2. The connection pendant of claim 1, wherein: the positioning block (21) is an oblique parallelepiped; the distance between the two long side surfaces of the positioning block (21) is smaller than the width of the through groove (11); one short side of locating piece (21) side and the interior roof butt of installing strip (1), another short side of locating piece (21) side and the interior bottom wall butt of installing strip (1).

3. The connection pendant of claim 1, wherein: a gasket (24) is sleeved on the threaded column (22); the gasket (24) is positioned between the mounting bar (1) and the fixing nut (23), and the outer diameter of the gasket (24) is larger than the groove width of the through groove (11).

4. The connection pendant of claim 1, wherein: and anti-skid grains are arranged on one side, close to the through groove (11), of the positioning block (21).

5. The connection pendant of claim 1, wherein: a reinforcing piece (3) is arranged on one side of the mounting bar (1); a plurality of reinforcing pieces (3) are arranged at intervals along the length direction of the mounting strip (1); the reinforcing piece (3) comprises a reinforcing column (31) fixed on one side, far away from the through groove (11), of the mounting strip (1) and a reinforcing sheet (32) fixed on one end, far away from the mounting strip (1), of the reinforcing column (31).

6. The connection pendant of claim 1, wherein: and a reinforcing block (25) is arranged on one side of the positioning block (21) close to the threaded column (22).

7. The connection hanger according to claim 6, wherein: the reinforcing block (25) is an oblique parallelepiped; the distance between the two long side surfaces of the reinforcing block (25) is smaller than the width of the through groove (11); one short side face of the reinforcing block (25) is abutted with the upper groove wall of the through groove (11), and the other short side face of the reinforcing block (25) is abutted with the lower groove wall of the through groove (11).

8. A subway tunnel concrete member, comprising a segment body (4), wherein the segment body (4) is provided with a connecting hanger as claimed in any one of claims 1-7, characterized in that: an installation groove (41) is formed in the inner peripheral side wall of the segment body (4); one side of the mounting bar (1) far away from the through groove (11) is fixed at the bottom of the mounting groove (41).

9. A subway tunnel concrete member as claimed in claim 8, wherein: and a fixing groove (42) which is in inserted connection and matching with the reinforcing piece (3) is formed at the bottom of the mounting groove (41).

10. A subway tunnel concrete member as claimed in claim 8, wherein: a slot (43) is formed in the left side of the segment body (4); the right side of the segment body (4) is provided with an inserting strip (44); the inserting strip (44) of one segment body (4) is in inserting fit with the inserting groove (43) on the adjacent segment body (4) along the horizontal direction.