Pipe piece pre-embedded sliding groove mounting device

Abstract

The utility model discloses a duct piece pre-embedded sliding groove installation device which comprises a base, the base is of a cavity structure, a duct piece mold is fixed to the middle of the top of the base, a pre-embedded sliding groove body is fixed to the top of the duct piece mold, sleeves are fixed to the two ends of the bottom of the pre-embedded sliding groove body, and a rectangular column is fixed to the middle of the bottom of the pre-embedded sliding groove body. Circular grooves are formed in the two ends of the top of the duct piece mold, the two circular grooves are matched with the two sleeves correspondingly, a rectangular groove is formed in the middle of the top of the duct piece mold, the rectangular groove is matched with the rectangular column, and a clamping mechanism used for clamping the rectangular column is arranged on the outer side wall of the duct piece mold; jacking mechanisms used for jacking the pre-embedded sliding groove body are arranged in the two sleeves correspondingly. According to the utility model, through the design of the clamping mechanism, the pre-embedded chute main body can be quickly assembled or disassembled, and a traditional bolt and nut locking mode is omitted, so that the pre-embedded chute main body is simpler and more convenient to assemble and disassemble, the time is saved, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of tunnel segment pre-embedded groove technology, and in particular to a tunnel segment pre-embedded groove installation device. Background Technology

[0002] Pre-embedded grooves typically refer to grooves that are pre-installed on the surface of tunnel segments during the design and manufacturing process. With the rapid development of urban rail transit and underground engineering construction, tunnel construction technology is also constantly improving. In tunnel construction, tunnel segments are an important support structure. During the prefabrication process, grooves need to be pre-installed in the mold of the prefabricated tunnel segments, thus requiring a tunnel segment pre-embedded groove installation device.

[0003] Traditional pre-embedded grooves are usually fixed to the segment mold with multiple bolts and nuts. During installation or dismantling, construction workers need to install or remove the bolts and nuts one by one. This fixing method consumes a lot of time during installation and dismantling, reducing work efficiency. Moreover, after the concrete is poured, the bolts and nuts will solidify with the poured segment, resulting in multiple voids on the inner surface of the segment after demolding. These voids not only affect the overall strength and structural stability of the segment, but also require subsequent filling treatment, reducing the practicality of the device. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a segment pre-embedded sliding groove installation device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An installation device for pre-embedded sliding grooves in tunnel segments includes a base with a hollow structure. A tunnel segment mold is fixed at the top center of the base, and a pre-embedded sliding groove body is fixed at the top of the tunnel segment mold. Sleeves are fixed at both ends of the bottom of the pre-embedded sliding groove body, and a rectangular column is fixed at the bottom center of the pre-embedded sliding groove body. Circular grooves are formed at both ends of the top of the tunnel segment mold, and each circular groove is adapted to one of the sleeves. A rectangular groove is formed at the top center of the tunnel segment mold, and the rectangular groove is adapted to the rectangular column. A clamping mechanism for engaging the rectangular column is provided on the outer wall of the tunnel segment mold. Both sleeves are equipped with mechanisms for lifting the pre-embedded sliding groove. The lifting mechanism for the main body of the channel is designed so that the rectangular column and two sleeves are pre-fixed to the bottom of the pre-embedded channel body during use. The snap-fit ​​mechanism allows for quick installation or disassembly of the pre-embedded channel body, eliminating the need for traditional bolt and nut locking methods. This makes the installation and disassembly of the pre-embedded channel body simpler, saves time, and improves work efficiency. The rectangular column and two sleeves, together with the rectangular channel and two circular channels, allow the cast-in-place segments to form a single-piece structure, avoiding voids on the surface of the segments after demolding. This eliminates the need for subsequent filling treatment and enhances the overall strength and structural stability of the segments.

[0007] Preferably, the snap-fit ​​mechanism includes a connecting rod. A second circular hole is formed through the outer wall of the segment mold, and the second circular hole communicates with a rectangular groove. Two second grooves are symmetrically formed on the side wall of the second circular hole. The connecting rod is disposed on the side wall of the second circular hole, and one end of the connecting rod extends through the outer wall of the segment mold. An anti-detachment cap is fixed to one end of the connecting rod. A through hole is formed on the side wall of the other end of the connecting rod. Two protrusions are fixed to the side wall of the connecting rod, and the two protrusions respectively mate with the two second grooves. The outer wall of the segment mold is provided with a fixing mechanism. The fixing mechanism for the connecting rod includes a first circular hole through the side wall of the rectangular column, which is adapted to the connecting rod. Two first grooves are symmetrically formed on the side wall of the first circular hole, and each groove is adapted to a protrusion. The fixing mechanism includes a connecting seat, which is fixed to the outer wall of the tube mold. A sleeve is provided through the top of the connecting seat, and a circular slider is slidably connected to the inner wall of the sleeve. A column is fixed to the bottom of the circular slider, extending through the bottom of the sleeve. The column is adapted to the through hole, and the top of the circular slider... A pull rod is fixed, with one end of the pull rod penetrating the top of the sleeve. A spring is fitted on the side wall of the pull rod. During installation, the rectangular column and two sleeves are inserted into the rectangular groove and two circular grooves, respectively. At this time, the first and second circular holes coincide with the two second grooves and two first grooves. Pulling the pull rod causes the circular slider to move upward along the inner wall of the sleeve, thereby causing the column to gradually retract into the sleeve. At this time, the spring gradually compresses. Then, the connecting rod is inserted into the second and first circular holes until one end of the connecting rod penetrates the tube sheet mold. On the outer wall, the through hole is located directly below the column, constrained by two second grooves, two first grooves, and two protrusions. At this point, the pull rod is released, and under the reaction force of the compressed spring, the circular slider is pushed to move in the opposite direction, thereby pushing the column into the through hole and completing the fixing of the connecting rod. This completes the installation of the pre-embedded slide body. In this process, the method of installing and fixing the pre-embedded slide body by tightening multiple bolts and nuts is abandoned, making the installation and subsequent disassembly of the pre-embedded slide body simpler, saving time and improving work efficiency.

[0008] Preferably, the lifting mechanism includes a hydraulic push rod, which is disposed inside one of the sleeves, and the bottom of the hydraulic push rod is flush with the bottom of the sleeve. The output end of the hydraulic push rod is fixed to the pre-embedded slide groove body. During demolding, the fixing of the column to the connecting rod is first released, and the connecting rod is pulled out from the first and second circular holes. At this time, the two hydraulic push rods are driven to move the pre-embedded slide groove body upward, thereby pushing the formed tube segment out from the tube segment mold, which facilitates the demolding process for workers.

[0009] Preferably, a placement groove is provided on one side of the top of the base, and an elastic rope is fixed to the side wall of the placement groove. One end of the elastic rope is fixed to the anti-detachment cap. The design of the placement groove and the elastic rope can prevent the connecting rod from being lost.

[0010] The beneficial effects of this utility model are as follows:

[0011] 1. During use, the rectangular column and two sleeves are pre-fixed to the bottom of the pre-embedded chute body. The design of the snap-fit ​​mechanism can quickly complete the installation or disassembly of the pre-embedded chute body, eliminating the need for the traditional bolt and nut locking method. This makes the installation and disassembly of the pre-embedded chute body simpler, saves time, and improves work efficiency.

[0012] 2. By using rectangular columns and two sleeves in conjunction with rectangular grooves and two circular grooves, the cast segments can be integrally formed, avoiding voids on the surface of the segments after demolding. This eliminates the need for subsequent filling and enhances the overall strength and structural stability of the segments. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a segment pre-embedded sliding groove installation device proposed in this utility model;

[0014] Figure 2 This is an exploded view of the segment mold, the main body of the pre-embedded groove, the sleeve, and the rectangular column of the segment pre-embedded groove installation device proposed in this utility model.

[0015] Figure 3 for Figure 2 Enlarged view at point A;

[0016] Figure 4 This is a schematic cross-sectional view of the sleeve and rectangular column of the segment pre-embedded sliding groove installation device proposed in this utility model;

[0017] Figure 5 This is a schematic cross-sectional view of a segment mold for a segment pre-embedded groove installation device proposed in this utility model;

[0018] Figure 6 This is a schematic diagram of the connecting rod, protrusion, and through hole of a segment pre-embedded sliding groove installation device proposed in this utility model;

[0019] Figure 7 This is a schematic cross-sectional view of the sleeve of a segment pre-embedded sliding groove installation device proposed in this utility model.

[0020] In the diagram: 1. Base; 2. Segment mold; 3. Embedded groove body; 4. Placement groove; 5. Connecting seat; 6. Elastic rope; 7. Sleeve; 8. Rectangular column; 9. Circular groove; 10. Rectangular groove; 11. Anti-detachment cap; 12. Hydraulic push rod; 13. First circular hole; 14. First groove; 15. Second circular hole; 16. Second groove; 17. Connecting rod; 18. Protrusion; 19. Through hole; 20. Sleeve; 21. Circular slider; 22. Column; 23. Pull rod; 24. Spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figure 1 - Figure 7 An installation device for pre-embedded grooves in tunnel segments includes a base 1, which is a hollow structure. A tunnel segment mold 2 is fixed at the top center of the base 1. A pre-embedded grooving body 3 is fixed at the top of the tunnel segment mold 2. Sleeves 7 are fixed at both ends of the bottom of the pre-embedded grooving body 3. A rectangular column 8 is fixed at the bottom center of the pre-embedded grooving body 3. Circular grooves 9 are opened at both ends of the top of the tunnel segment mold 2, and the two circular grooves 9 are respectively adapted to the two sleeves 7. A rectangular groove 10 is opened at the top center of the tunnel segment mold 2, and the rectangular groove 10 is adapted to the rectangular column 8. A snap-fit ​​mechanism for snapping the rectangular column 8 is provided on the outer wall of the tunnel segment mold 2. The two sleeves 7 are provided with a mechanism for lifting the pre-embedded grooving body 8. The lifting mechanism of body 3, during use, pre-fixes the rectangular column 8 and two sleeves 7 to the bottom of the pre-embedded chute body 3. The design of the snap-fit ​​mechanism can quickly complete the installation or disassembly of the pre-embedded chute body 3, eliminating the need for the traditional bolt and nut locking method, making the installation and disassembly of the pre-embedded chute body 3 simpler, saving time and improving work efficiency. With the rectangular column 8 and two sleeves 7 working together with the rectangular groove 10 and two circular grooves 9, the cast pipe segment can be formed as an integral structure, avoiding the situation of leaving voids on the surface of the pipe segment after demolding, eliminating the need for subsequent filling treatment, and strengthening the overall strength and structural stability of the pipe segment.

[0023] Furthermore, the snap-fit ​​mechanism includes a connecting rod 17. A second circular hole 15 is provided through the outer wall of the segment mold 2, and the second circular hole 15 communicates with the rectangular groove 10. Two second grooves 16 are symmetrically provided on the side wall of the second circular hole 15. The connecting rod 17 is disposed on the side wall of the second circular hole 15, and one end of the connecting rod 17 passes through the outer wall of the segment mold 2. An anti-detachment cap 11 is fixed to one end of the connecting rod 17. A through hole 19 is provided on the side wall of the other end of the connecting rod 17. Two protrusions 18 are fixed to the side wall of the connecting rod 17, and the two protrusions 18 are respectively adapted to the two second grooves 16. The outer wall of the segment mold 2 is provided with a feature for fixing the connecting rod 17. The fixing mechanism includes a first circular hole 13 through the side wall of the rectangular column 8, which is adapted to the connecting rod 17. Two first grooves 14 are symmetrically formed on the side wall of the first circular hole 13, and each of the two first grooves 14 is adapted to a protrusion 18. The fixing mechanism includes a connecting seat 5, which is fixed to the outer wall of the tube mold 2. A sleeve 20 is provided through the top of the connecting seat 5. A circular slider 21 is slidably connected to the inner wall of the sleeve 20. A column 22 is fixed to the bottom of the circular slider 21, and the column 22 penetrates the bottom of the sleeve 20. The column 22 is adapted to the through hole 19. A pull rod 23 is fixed to the top of the circular slider 21. One end of the rod 23 passes through the top of the sleeve 20. A spring 24 is fitted on the side wall of the pull rod 23. During installation, the rectangular column 8 and the two sleeves 7 are inserted into the rectangular groove 10 and the two circular grooves 9, respectively. At this time, the first circular hole 13 and the second circular hole 15 are aligned with the two second grooves 16 and the two first grooves 14. Then, by pulling the pull rod 23, the circular slider 21 moves upward along the inner wall of the sleeve 20, thereby causing the column 22 to gradually retract into the sleeve 20. At this time, the spring 24 gradually compresses. Then, the connecting rod 17 is inserted into the second circular hole 15 and the first circular hole 13 until one end of the connecting rod 17 passes through the tube. On the outer wall of the mold plate 2, under the constraint of two second grooves 16, two first grooves 14 and two protrusions 18, the through hole 19 is located directly below the column 22. At this time, the pull rod 23 is released, and under the reaction action of the compressed spring 24, the circular slider 21 is pushed to move in the opposite direction, thereby pushing the column 22 into the through hole 19, completing the fixation of the connecting rod 17, that is, completing the installation of the pre-embedded slide groove body 3. In the process, the installation and fixation of the pre-embedded slide groove body 3 by locking with multiple bolts and nuts is abandoned, making the installation and subsequent disassembly of the pre-embedded slide groove body 3 simpler, saving time and improving work efficiency.

[0024] Furthermore, the lifting mechanism includes a hydraulic push rod 12, which is installed inside one of the sleeves 7, with the bottom of the hydraulic push rod 12 flush with the bottom of the sleeve 7. The output end of the hydraulic push rod 12 is fixed to the pre-embedded slide groove body 3. During demolding, the fixing of the column 22 to the connecting rod 17 is first released, and the connecting rod 17 is pulled out from the first round hole 13 and the second round hole 15. At this time, the two hydraulic push rods 12 are driven to move the pre-embedded slide groove body 3 upward, thereby pushing the formed tube segment out from the tube segment mold 2, which facilitates the demolding process for workers.

[0025] Furthermore, a placement groove 4 is provided on one side of the top of the base 1, and an elastic rope 6 is fixed to the side wall of the placement groove 4. One end of the elastic rope 6 is fixed to the anti-detachment cap 11. Through the design of the placement groove 4 and the elastic rope 6, the connection rod 17 can be prevented from being lost.

[0026] Working principle: During use, the rectangular column 8 and two sleeves 7 are pre-fixed to the bottom of the pre-embedded sliding groove body 3. During installation, the rectangular column 8 and two sleeves 7 are inserted into the rectangular groove 10 and two circular grooves 9 respectively. At this time, the first circular hole 13 and the second circular hole 15 are aligned with the two second grooves 16 and the two first grooves 14. Then, by pulling the pull rod 23, the circular slider 21 is moved upward along the inner wall of the sleeve 20, thereby causing the column 22 to gradually retract into the sleeve 20. At this time, the spring 24 is gradually compressed. Then, the connecting rod 17 is inserted into the second circular hole 15 and the first circular hole 13 until one end of the connecting rod 17 penetrates the outer wall of the tube mold 2. With the protrusion 18 in place, the through hole 19 is located directly below the column 22. At this time, the pull rod 23 is released, and under the reaction force of the compressed spring 24, the circular slider 21 is pushed to move in the opposite direction, thereby pushing the column 22 into the through hole 19, completing the fixation of the connecting rod 17, that is, completing the installation of the pre-embedded slide groove body 3. In the process, the method of installing and fixing the pre-embedded slide groove body 3 by locking with multiple bolts and nuts is abandoned, making the installation and subsequent disassembly of the pre-embedded slide groove body 3 simpler, saving time and improving work efficiency. Moreover, no voids are left on the surface of the tube after demolding, eliminating the need for subsequent filling. The entire tube is a one-piece molded structure, which strengthens the overall strength and structural stability of the tube and improves the practicality of the device.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A segment pre-embedded groove installation device, comprising a base (1), characterized in that, The base (1) is a hollow structure. A segment mold (2) is fixed at the middle of the top of the base (1). A pre-embedded sliding groove body (3) is fixed at the top of the segment mold (2). Sleeves (7) are fixed at both ends of the bottom of the pre-embedded sliding groove body (3). A rectangular column (8) is fixed at the middle of the bottom of the pre-embedded sliding groove body (3). Circular grooves (9) are opened at both ends of the top of the segment mold (2), and the two circular grooves (9) are respectively adapted to the two sleeves (7). A rectangular groove (10) is opened at the middle of the top of the segment mold (2), and the rectangular groove (10) is adapted to the rectangular column (8). A snapping mechanism for snapping the rectangular column (8) is provided on the outer wall of the segment mold (2). A lifting mechanism for lifting the pre-embedded sliding groove body (3) is provided inside the two sleeves (7).

2. The segment pre-embedded sliding groove installation device according to claim 1, characterized in that, The snap-fit ​​mechanism includes a connecting rod (17). A second circular hole (15) is provided through the outer wall of the segment mold (2), and the second circular hole (15) is connected to the rectangular groove (10). Two second grooves (16) are symmetrically provided on the side wall of the second circular hole (15). The connecting rod (17) is provided on the side wall of the second circular hole (15), and one end of the connecting rod (17) is provided through the outer wall of the segment mold (2). One end of the connecting rod (17) is fixed with an anti-detachment cap (11). The other end of the connecting rod (17) is provided with a through hole (19). Two protrusions (18) are fixed on the side wall of the connecting rod (17), and the two protrusions (18) are respectively adapted to the two second grooves (16). The outer wall of the segment mold (2) is provided with a fixing mechanism for fixing the connecting rod (17).

3. The segment pre-embedded sliding groove installation device according to claim 2, characterized in that, The rectangular column (8) has a first circular hole (13) through its side wall. The first circular hole (13) is adapted to the connecting rod (17). The side wall of the first circular hole (13) has two first grooves (14) symmetrically opened, and the two first grooves (14) are adapted to two protrusions (18) respectively.

4. The segment pre-embedded sliding groove installation device according to claim 2, characterized in that, The fixing mechanism includes a connecting seat (5), the connecting seat (5) is fixed on the outer wall of the tube segment mold (2), the top of the connecting seat (5) is provided with a sleeve (20), the inner wall of the sleeve (20) is slidably connected with a circular slider (21), the bottom of the circular slider (21) is fixed with a column (22), and the column (22) passes through the bottom of the sleeve (20). The column (22) is adapted to the through hole (19). The top of the circular slider (21) is fixed with a pull rod (23), and one end of the pull rod (23) passes through the top of the sleeve (20). The side wall of the pull rod (23) is sleeved with a spring (24).

5. The segment pre-embedded sliding groove installation device according to claim 1, characterized in that, The lifting mechanism includes a hydraulic push rod (12), which is located inside one of the sleeves (7), and the bottom of the hydraulic push rod (12) is flush with the bottom of the sleeve (7). The output end of the hydraulic push rod (12) is fixed to the pre-embedded sliding groove body (3).

6. The segment pre-embedded sliding groove installation device according to claim 2, characterized in that, The base (1) has a placement groove (4) on one side of its top. An elastic rope (6) is fixed to the side wall of the placement groove (4), and one end of the elastic rope (6) is fixed to the anti-slip cap (11).

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