Shield tunnel pipe gallery prefabricated part and production method thereof

Abstract

The invention discloses a shield tunnel pipe gallery prefabricated part and a production method thereof, the shield tunnel pipe gallery prefabricated part comprises a cable well and a positioning clamping assembly, and the cable well comprises a mounting seat, a bearing seat arranged at the top of the mounting seat and a sealing cover arranged at the top of the bearing seat. A reset spring and a damping structure are extruded through a clamping plate, so that the clamping distance is conveniently adjusted according to different thicknesses of cables, the positioning and clamping effect is improved, signal interference and heat accumulation caused by mutual winding of multiple cables are avoided, the service life of the cables is prolonged, and the use quality of the cables is improved; the friction force between the cable and the clamping plate is reduced through the arranged balls, the outer surface of the cable is protected, the service life of the cable is prolonged, the mounting base, the bearing plate, the cover body, the first guide column, the second guide column, the side blocks and the middle blocks are subjected to pouring forming, the positioning and clamping assembly is assembled, the cable well can be conveniently produced, transported and assembled, and the production efficiency is improved. Installation time is reduced, and construction progress is improved.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel pipe gallery prefabricated parts, and in particular to a shield tunnel pipe gallery prefabricated part and a production method thereof. Background Art

[0002] A shield tunnel is an underground tunnel project constructed using a shield machine. A tunnel gallery is a pipeline system built underground or underwater for transporting various media such as water, gas, electricity, and communications. Prefabricated gallery parts refer to components or parts used in tunnel gallery systems that are prefabricated in a factory or on site. These prefabricated parts can be pipes, pipe connectors, pipe supports, cable wells, wall panels, etc. Prefabrication can improve construction efficiency and reduce the impact of on-site construction on the surrounding environment. A cable well is an underground structure used to place cables, cables, and related equipment. Cable wells are usually constructed of concrete, steel bars, and other materials, and have waterproof and fireproof functions to protect cable facilities.

[0003] The Chinese invention patent with authorization announcement number CN118128091A discloses a T-type pipe gallery prefabricated component and a production method thereof, which belongs to the field of underground construction, and includes an integrated body, in which a support frame is arranged, the support frame includes a T-type support steel bar frame and a steel bar separator, the steel bar separator is fixed at the through-port of the T-type support steel bar frame, the steel bar separator and the T-type support steel bar frame are formed into an integrated body by concrete pouring, and the production method thereof realizes the production of T-type pipe gallery prefabricated components, and the above-mentioned T-type pipe gallery prefabricated component and its production method are used for the branch port of the pipe gallery, and are directly delivered to the construction site, and assembled in place at the construction site at one time, which greatly shortens the on-site construction time and speeds up the construction progress.

[0004] In the prior art, cable well prefabricated parts are usually cast from cement and concrete, which results in large molding volume, inconvenient transportation, time-consuming and labor-intensive installation, and the cables cannot be limited in position when placed during use. Multiple cables are entangled with each other, which can easily cause signal interference and heat accumulation, affecting the safe use of the cables and further affecting the normal operation of the tunnel corridor system. Summary of the invention

[0005] The purpose of the present invention is to provide a shield tunnel corridor prefabricated part and a production method thereof, which solves the problem that in the process of producing cable well prefabricated parts, the prefabricated parts are usually cast from cement and concrete, have a large molding volume, are inconvenient to transport, are time-consuming and labor-intensive to install, and cannot be limited when the cables are placed during use. Multiple cables are entangled with each other, which easily causes signal interference and heat accumulation, affects the safe use of the cables, and further affects the normal operation of the tunnel corridor system.

[0006] The present invention solves the above technical problems through the following technical solutions, which include: A cable well, the cable well comprising a mounting seat, a supporting seat mounted on the top of the mounting seat, and a sealing cover mounted on the top of the supporting seat; A positioning and clamping assembly, wherein the positioning and clamping assembly is installed inside the cable well and is used to position and clamp the cable; The positioning clamping assembly comprises a mounting plate, a tensioning structure installed on the top of the mounting plate, and a clamping plate installed on the top of the tensioning structure.

[0007] Preferably, the tensioning structure includes a return spring with both ends fused between the mounting plate and the clamping plate and a damping structure installed between the mounting plate and the clamping plate.

[0008] Preferably, the clamping plate includes a side block, an intermediate block installed between the two side blocks, ball bearings installed on the top of the side blocks and the intermediate block, and fixing bolts installed on the side blocks and the intermediate block, one side of the side block and both sides of the intermediate block are provided with ball grooves, the side blocks and the intermediate block are provided with fixing holes, the ball bearings correspond to the ball grooves, and the fixing bolts correspond to the fixing holes.

[0009] Preferably, the plurality of mounting plates are respectively mounted on the top of the inner bottom wall of the mounting seat, the top and bottom of the supporting seat, and the bottom of the cover by bolts.

[0010] Preferably, the mounting seat is concave, a guide groove is provided on the inner side wall of the mounting seat, a cover groove is provided on the top of the guide groove, a first positioning block is provided on the front side of the mounting seat, a first positioning groove is provided on the back side of the mounting seat, and the first positioning block corresponds to the first positioning groove.

[0011] Preferably, the supporting seat includes a first guide column slidably mounted on the guide groove, a second positioning block mounted on one side of the first guide column, and a supporting plate mounted between two groups of the first guide columns, a ventilation hole is provided on the top of the supporting plate, second positioning grooves are provided on both sides of the supporting plate, and the second positioning block corresponds to the second positioning groove.

[0012] Preferably, the cover includes a second guide column slidably mounted on the guide groove, a third positioning block mounted on the top of the second guide column, a cover body mounted on the top of the second guide column and a heat dissipation box mounted on the top of the cover body, a heat dissipation hole is provided on the cover body, a third positioning groove is provided at the bottom of the cover body, the third positioning block corresponds to the third positioning groove, the cover body corresponds to the cover groove, and the heat dissipation box is mounted on the top of the heat dissipation hole.

[0013] Preferably, a cooling fan is installed inside the heat dissipation box by bolts, and a dustproof net is installed on the top of the heat dissipation box.

[0014] The production method of the present invention comprises the following steps: Step 1: Prepare the required mounting seat mold, supporting plate mold, cover body mold, first guide column mold, second guide column mold, side block mold and middle block mold; Step 2: Install the required steel bar group inside the mold, and pour concrete into the mold through a concrete pouring machine; Step 3: After pouring, perform maintenance. When the concrete solidifies to a certain strength, remove the formwork. Step 4: Install the required positioning and clamping components through the formed side blocks and middle blocks and prepare the heat sink; Step 5: Transport and assemble the formed mounting base, supporting plate, cover body, first guide column and second guide column, as well as the prepared positioning clamping assembly and heat sink for use.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. By squeezing the reset spring and damping structure through the clamping plate, it is convenient to adjust the clamping distance according to the thickness of the cable, improve the positioning clamping effect, avoid entanglement between multiple cables, cause signal interference and heat accumulation, and improve the service life and quality of the cable. The friction between the cable and the clamping plate is reduced by the set ball, which protects the outer surface of the cable and improves the service life of the cable.

[0017] 2. By casting the mounting seat, supporting plate, cover, first guide column, second guide column, side block and middle block respectively, and assembling the positioning clamping components, it is convenient to produce, transport and assemble the cable well, reduce installation time and improve construction progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a three-dimensional structural schematic diagram of a positioning clamping assembly in another perspective of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the positioning and clamping assembly in the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the disassembled positioning and clamping assembly in the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the mounting seat in the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the support seat disassembled in the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the cover disassembled in the present invention.

[0019] The numbers in the figure represent: 1. Cable well; 101. Mounting seat; 102. Supporting seat; 1021. First guide column; 1022. Second positioning block; 1023. Supporting plate; 103. Cover; 1031. Second guide column; 1032. Third positioning block; 1033. Cover body; 1034. Heat sink; 2. Positioning and clamping assembly; 201. Mounting plate; 202. Tensioning structure; 2021. Return spring; 2022. Damping structure; 203. Clamping plate; 2031. Side block; 2032. Middle block; 2033. Ball bearing; 2034. Fixing bolt; 3. Bead groove; 4. Fixing hole; 5. Guide groove; 6. Cover groove; 7. First positioning block; 8. First positioning groove; 9. Ventilation hole; 10. Second positioning groove; 11. Heat dissipation hole; 12. Third positioning groove; 13. Dustproof net. DETAILED DESCRIPTION

[0020] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0021] Embodiment 1 This embodiment provides a technical solution: a shield tunnel corridor prefabricated component, such as Figure 1-7 As shown, it includes a cable well 1 and a positioning clamping assembly 2; The cable well 1 comprises a mounting seat 101 , a supporting seat 102 mounted on the top of the mounting seat 101 , and a sealing cover 103 mounted on the top of the supporting seat 102 .

[0022] In the specific implementation, such as Figure 2-5 As shown, the positioning and clamping assembly 2 is installed inside the cable well 1, and the positioning and clamping assembly 2 is used to position and clamp the cable; The positioning and clamping assembly 2 includes a mounting plate 201, a tensioning structure 202 installed on the top of the mounting plate 201, and a clamping plate 203 installed on the top of the tensioning structure 202. The tensioning structure 202 includes a reset spring 2021 with both ends welded between the mounting plate 201 and the clamping plate 203, and a damping structure 2022 installed between the mounting plate 201 and the clamping plate 203. The damping structure 2022 includes a damping seat, a damping T-shaped column and a damping plate. A damping groove is provided inside the damping seat. The damping plate is fixedly welded to the bottom of the damping T-shaped column and is slidably connected inside the damping groove. Damping fluid is installed inside the damping groove. The damping plate corresponds to the damping fluid. The damping effect generated by the damping structure 2022 ensures that the reset spring 2021 can return to static balance.

[0023] Furthermore, the clamping plate 203 includes a side block 2031, a middle block 2032 installed between the two side blocks 2031, a ball 2033 installed on the top of the side block 2031 and the middle block 2032, and a fixing bolt 2034 installed on the side block 2031 and the middle block 2032. A ball groove 3 is provided on one side of the side block 2031 and both sides of the middle block 2032. A fixing hole 4 is provided on the side block 2031 and the middle block 2032. The ball 2033 corresponds to the ball groove 3, and the fixing bolt 2034 corresponds to the fixing hole 4. This facilitates the positioning and clamping of the cable while reducing the friction between the cable and the clamping plate 203. The ball 2033 facilitates the reduction of friction when installing the cable, protects the outer surface of the cable, and increases the service life of the cable.

[0024] Furthermore, multiple mounting plates 201 are respectively installed on the top of the inner bottom wall of the mounting base 101, the top and bottom of the supporting base 102, and the bottom of the cover 103 by bolts, so as to facilitate the positioning and clamping of cables by the upper and lower sets of positioning and clamping components 2, thereby avoiding entanglement of multiple cables and improving the service life of the cables.

[0025] When in use, the cable is installed between the two clamping plates 203, the cable squeezes the clamping plate 203, and the clamping plate 203 squeezes the return spring 2021 and the damping structure 2022, so as to facilitate the adjustment of the clamping distance according to the thickness of the cable, improve the positioning clamping effect, avoid entanglement between multiple cables, cause signal interference and heat accumulation, and improve the service life and use quality of the cable. The cable will be dragged during the installation process, and friction will occur between the cable and the clamping plate 203. At this time, the friction force is reduced by the arranged ball 2033, thereby protecting the outer surface of the cable and improving the service life of the cable.

[0026] Embodiment 2 This embodiment is further optimized on the basis of the above embodiment, and the same parts as the above technical solution will not be repeated here. Figure 1-Figure 2 and Figure 5-Figure 7 As shown, in order to better realize the present invention, the following setting method is particularly adopted: in this embodiment, in order to produce and transport the cable well 1, various parts of the cable well 1 are cast and formed separately.

[0027] In the specific implementation, such as Figure 1 , Figure 5 , Figure 6 , Figure 7 As shown, the mounting seat 101 is concave, a guide groove 5 is provided on the inner wall of the mounting seat 101, a cover groove 6 is provided on the top of the guide groove 5, a first positioning block 7 is provided on the front side of the mounting seat 101, a first positioning groove 8 is provided on the back side of the mounting seat 101, the first positioning block 7 corresponds to the first positioning groove 8, and the first positioning groove 8 and the first positioning block 7 facilitate assembly between multiple mounting seats 101.

[0028] Furthermore, the supporting seat 102 includes a first guide column 1021 slidably mounted on the guide groove 5, a second positioning block 1022 mounted on one side of the first guide column 1021, and a supporting plate 1023 mounted between the two groups of first guide columns 1021, a ventilation hole 9 is provided on the top of the supporting plate 1023, and second positioning grooves 10 are provided on both sides of the supporting plate 1023, and the second positioning block 1022 corresponds to the second positioning groove 10.

[0029] Furthermore, the cover 103 includes a second guide column 1031 slidably mounted on the guide groove 5, a third positioning block 1032 mounted on the top of the second guide column 1031, a cover body 1033 mounted on the top of the second guide column 1031 and a heat sink 1034 mounted on the top of the cover body 1033, a heat dissipation hole 11 is provided on the cover body 1033, a third positioning groove 12 is provided at the bottom of the cover body 1033, the third positioning block 1032 corresponds to the third positioning groove 12, the cover body 1033 corresponds to the cover groove 6, the heat sink 1034 is installed on the top of the heat dissipation hole 11, a heat dissipation fan is installed inside the heat sink 1034 by bolts, and a dustproof net 13 is installed on the top of the heat sink 1034.

[0030] When in use, the second positioning block 1022 is used in conjunction with the second positioning hole to facilitate the assembly of the first guide column 1021 and the supporting plate 1023, the guide groove 5 is used in conjunction with the first guide column 1021 to facilitate the assembly of the supporting plate 1023 and the mounting seat 101, the third positioning block 1032 is used in conjunction with the third positioning hole to facilitate the assembly of the second guide column 1031 and the cover body 1033, the second guide column 1031 is used in conjunction with the guide groove 5 to facilitate the installation of the cover body 1033 on the cover groove 6, the heat sink 1034 is installed on the cover body 1033 by bolts, the ventilation holes 9 and the heat dissipation holes 11 are used to increase the air circulation inside the cable well 1, the heat dissipation effect on the internal cables is improved, and the various parts of the cable well 1 are cast and formed separately, so as to facilitate the production, transportation and assembly of the cable well 1.

[0031] A method for producing a shield tunnel gallery prefabricated part comprises the following steps: Step 1: prepare the required mounting seat 101 mold, supporting plate 1023 mold, cover body 1033 mold, first guide column 1021 mold, second guide column 1031 mold, side block 2031 mold and middle block 2032 mold; Step 2: Install the required steel bar group inside the mold, and pour concrete into the mold through a concrete pouring machine; Step 3: After pouring, perform maintenance. When the concrete solidifies to a certain strength, remove the formwork. Step 4: Install the required positioning and clamping components 2 through the formed side blocks 2031 and the middle block 2032 and prepare the heat dissipation box 1034; Step 5: transport and assemble the formed mounting base 101, the supporting plate 1023, the cover 1033, the first guide column 1021 and the second guide column 1031, as well as the prepared positioning clamping assembly 2 and the heat sink 1034 for use.

[0032] The above are only preferred embodiments of the present invention, which are only illustrative and not restrictive. Those skilled in the art understand that many changes, modifications, and even equivalences can be made to the present invention within the spirit and scope defined by the claims, but they will all fall within the scope of protection of the present invention.

Claims

1. A shield tunnel gallery prefabricated component, characterized in that: include: A cable well (1), the cable well (1) comprising a mounting seat (101), a supporting seat (102) mounted on the top of the mounting seat (101), and a cover (103) mounted on the top of the supporting seat (102); A positioning and clamping component (2), the positioning and clamping component (2) being installed inside the cable well (1), and the positioning and clamping component (2) being used to position and clamp the cable; The positioning clamping assembly (2) comprises a mounting plate (201), a tensioning structure (202) mounted on the top of the mounting plate (201), and a clamping plate (203) mounted on the top of the tensioning structure (202).

2. A shield tunnel gallery prefabricated component according to claim 1, characterized in that: The tensioning structure (202) comprises a return spring (2021) with both ends welded between the mounting plate (201) and the clamping plate (203), and a damping structure (2022) installed between the mounting plate (201) and the clamping plate (203).

3. A shield tunnel gallery prefabricated component as claimed in claim 2, characterized in that: The clamping plate (203) comprises a side block (2031), an intermediate block (2032) installed between two side blocks (2031), a ball bearing (2033) installed on the top of the side block (2031) and the intermediate block (2032), and a fixing bolt (2034) installed on the side block (2031) and the intermediate block (2032); a ball groove (3) is provided on one side of the side block (2031) and on both sides of the intermediate block (2032); a fixing hole (4) is provided on the side block (2031) and the intermediate block (2032); the ball bearing (2033) corresponds to the ball groove (3), and the fixing bolt (2034) corresponds to the fixing hole (4).

4. A shield tunnel gallery prefabricated component according to claim 1, characterized in that: The plurality of mounting plates (201) are respectively mounted on the top of the inner bottom wall of the mounting seat (101), the top and bottom of the supporting seat (102), and the bottom of the cover (103) by means of bolts.

5. The shield tunnel gallery prefabricated component according to claim 1, characterized in that: The mounting seat (101) is concave in shape, a guide groove (5) is provided on the inner side wall of the mounting seat (101), a cover groove (6) is provided on the top of the guide groove (5), a first positioning block (7) is provided on the front side of the mounting seat (101), a first positioning groove (8) is provided on the back side of the mounting seat (101), and the first positioning block (7) corresponds to the first positioning groove (8).

6. A shield tunnel gallery prefabricated component as claimed in claim 5, characterized in that: The support seat (102) comprises a first guide column (1021) slidably mounted on the guide groove (5), a second positioning block (1022) mounted on one side of the first guide column (1021), and a support plate (1023) mounted between two groups of the first guide columns (1021), a ventilation hole (9) being provided on the top of the support plate (1023), second positioning grooves (10) being provided on both sides of the support plate (1023), and the second positioning block (1022) corresponding to the second positioning groove (10).

7. A shield tunnel gallery prefabricated component as claimed in claim 6, characterized in that: The cover (103) comprises a second guide column (1031) slidably mounted on the guide groove (5), a third positioning block (1032) mounted on the top of the second guide column (1031), a cover body (1033) mounted on the top of the second guide column (1031), and a heat dissipation box (1034) mounted on the top of the cover body (1033); a heat dissipation hole (11) is provided on the cover body (1033); a third positioning groove (12) is provided at the bottom of the cover body (1033); the third positioning block (1032) corresponds to the third positioning groove (12); the cover body (1033) corresponds to the cover groove (6); and the heat dissipation box (1034) is mounted on the top of the heat dissipation hole (11).

8. A shield tunnel corridor prefabricated component as claimed in claim 7, characterized in that: A cooling fan is installed inside the heat dissipation box (1034) via bolts, and a dustproof net (13) is installed on the top of the heat dissipation box (1034).

9. A method for producing prefabricated parts for a shield tunnel gallery, characterized in that: The production method is applied to the shield tunnel gallery prefabricated component according to any one of claims 1 to 8, comprising the following steps: Step 1: prepare the required mounting base (101) mold, the supporting plate (1023) mold, the cover body (1033) mold, the first guide column (1021) mold, the second guide column (1031) mold, the side block (2031) mold and the middle block (2032) mold; Step 2: Install the required steel bar group inside the mold, and pour concrete into the mold through a concrete pouring machine; Step 3: After pouring, perform maintenance. When the concrete solidifies to a certain strength, remove the formwork. Step 4: Install the required positioning and clamping components (2) through the formed side blocks (2031) and the middle block (2032) and prepare the heat sink (1034); Step 5: transport and assemble the formed mounting base (101), the supporting plate (1023), the cover (1033), the first guide column (1021) and the second guide column (1031), as well as the prepared positioning clamping assembly (2) and the heat sink (1034) for use.

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