Integrated construction pouring equipment for shield tunnel groove

The integrated construction and pouring equipment for shield tunnel trenches utilizes a mobile support and a mold mechanism driven by a servo motor to achieve automated construction, solving the problem of cumbersome construction procedures for shield tunnel trenches, reducing costs and improving efficiency.

CN223839138UActive Publication Date: 2026-01-27CHINA RAILWAY NO 8 ENG GRP CO LTD +1
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Patent Information

Application Number
CN202520753267.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-01-27
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

The existing shield tunnel trench construction process is cumbersome, costly, and inefficient.

Method used

An integrated shield tunnel trench construction and pouring equipment is adopted, which utilizes a mobile support, servo motor, bidirectional screw and mold mechanism to realize the automated lifting and installation of molds, reducing the need for manual assembly of steel molds.

Benefits of technology

It reduces construction costs, improves construction efficiency, facilitates trench pouring, and extends the service life of the mold.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223839138U_ABST
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Abstract

The utility model relates to the technical field of groove pouring, in particular to shield tunnel groove integrated construction pouring equipment which comprises a movable support, a pulley is fixedly installed on the surface of the movable support, a supporting side frame is fixedly connected to the surface of the movable support, a lifting mechanism is arranged on the surface of the movable support, and the movable support is fixedly connected with the pulley. The lifting mechanism comprises a guide rod. According to the integrated construction pouring equipment, the movable support is moved to a construction position through the pulleys, the lifting mechanism drives the lifting plate to descend, the lifting plate drives the outer side mold and the groove mold to descend to the designated height, then concrete pouring is conducted, and therefore the integrated construction pouring equipment does not need manual steel mold splicing, construction cost is reduced, and construction efficiency is improved. In addition, pouring is convenient and fast, the device can be rapidly moved to the corresponding position for groove pouring, and the pouring efficiency is greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of trench pouring technology, specifically to an integrated construction and pouring equipment for shield tunnel trenches. Background Technology

[0002] In the construction of shield tunnels, the construction of trenches such as cable trenches and drainage trenches is crucial. The quality and efficiency of their construction directly affect the overall performance and subsequent use of the tunnel. Cable trenches are used to meet the installation requirements of cables and ensure the stable operation of power and communication systems. Drainage trenches play an important role in removing water accumulated in the tunnel, maintaining a dry environment in the tunnel, and extending the service life of the tunnel.

[0003] The construction of shield tunnel trenches mostly relies on traditional construction methods. Existing shield tunnel trench construction usually uses small combined steel molds for segmented and phased pouring. The process involves many complicated procedures, such as the assembly and reinforcement of steel molds, concrete pouring, disassembly and relocation of steel molds, etc. The entire construction cycle is long, and the reinforcement and support structures are complex and numerous, resulting in high construction costs and low construction efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide an integrated construction and pouring equipment for shield tunnel trenches, so as to solve the problems of existing shield tunnel trench construction and pouring equipment mentioned in the background art, which have complicated procedures, high construction costs and low construction efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an integrated construction and pouring equipment for shield tunnel trenches, comprising a movable support, pulleys fixedly mounted on the surface of the movable support, a supporting side frame fixedly connected to the surface of the movable support, a lifting mechanism provided on the surface of the movable support, the lifting mechanism including a guide rod slidably connected to the surface of the movable support, a lifting plate fixedly connected to the bottom of the guide rod, a servo motor fixedly connected to the surface of the movable support, a bidirectional lead screw fixedly connected to the output shaft of the servo motor, a square nut threaded on the surface of the bidirectional lead screw, an adjusting rod rotatably connected to the bottom of the square nut, an end of the adjusting rod away from the square nut rotatably connected to the upper surface of the lifting plate, a mold mechanism provided on the surface of the lifting plate, the mold including a clamping rod inserted into the side of the lifting plate, an outer mold fixedly connected to the surface of the clamping rod, a trench mold fixedly connected to the surface of the outer mold, a limit stud fixedly connected to the surface of the outer mold, and a limit nut threadedly connected to the surface of the limit stud.

[0006] Preferably, the movable support is composed of multiple sets of "L"-shaped rods and crossbars, and two sets of pulleys are provided, which are respectively located at both ends of the "L"-shaped rods of the movable support.

[0007] Preferably, the movable support has a guide hole on its surface, the guide rod slides and rises and falls on the guide hole of the movable support, the lifting plate slides and rises and falls on the surface of the movable support through the guide rod, and the lifting plate is in an "L" shape.

[0008] Preferably, the servo motor drives the bidirectional lead screw to rotate on the surface of the moving bracket via the output shaft. Two sets of square nuts are provided. The bidirectional lead screw drives the two sets of square nuts to slide on the surface of the moving bracket by rotation, and the sliding directions of the two sets of square nuts are opposite.

[0009] Preferably, the square nut drives one end of the adjusting rod to move, and the adjusting rod rotates on the lifting plate. The square nut drives the lifting plate to slide and rise on the surface of the moving bracket through rotation.

[0010] Preferably, a slot is provided on one side of the lifting plate, and the locking rod is inserted into the slot on the side of the lifting plate. The outer mold is generally L-shaped, and three sets of groove molds are provided.

[0011] Preferably, a circular hole is provided on the other side of the lifting plate slot, and the limiting stud passes through the circular hole of the lifting plate. The lifting plate supports the outer mold and the groove mold through the locking rod and the limiting stud.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This pouring equipment moves the mobile support to the construction position via pulleys. The output shaft of the servo motor drives a bidirectional lead screw to rotate. The bidirectional lead screw, through rotation, drives two sets of square nuts to slide horizontally on the surface of the mobile support, with the square nuts sliding in opposite directions. During this sliding process, the square nuts drive an adjusting rod to rotate on a lifting plate. The adjusting rod, in turn, drives the lifting plate to slide on the surface of the mobile support. The lifting plate, guided by a guide rod, slides and rises and falls on the mobile support. During this process, the outer mold and the trench mold slide and rise synchronously, allowing the outer mold and trench mold to descend to a designated height for concrete pouring. The outer mold shields the concrete, while the trench mold forms the trench. This integrated pouring equipment eliminates the need for manual assembly of steel molds, reducing construction costs. It also offers convenient pouring, allowing for rapid movement to the appropriate position for trench pouring, significantly improving pouring efficiency.

[0014] 2. When the clamping rod is inserted into the slot of the lifting plate, the limiting stud can also be inserted through the circular hole of the lifting plate at the same time. At this time, the limiting stud and the clamping rod support the outer mold and the groove mold. Rotating the limiting nut on the limiting stud allows the limiting nut to work with the upper limiting stud to restrict the outer mold and the groove mold to the bottom of the lifting plate. This facilitates the installation of the outer mold and the groove mold at the bottom of the lifting plate, and makes it easy to replace the outer mold and the groove mold. It also makes it easy to remove and maintain the outer mold and the groove mold, thus extending their service life. Attached Figure Description

[0015] Figure 1 This is a front view of the overall layout of this utility model;

[0016] Figure 2 This is a three-dimensional front view of the structure of this utility model;

[0017] Figure 3 This is a three-dimensional rear view of the structure of this utility model;

[0018] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A;

[0019] Figure 5 This is a frontal sectional perspective view of the lifting plate structure of this utility model.

[0020] In the diagram: 1. Movable bracket; 11. Pulley; 12. Support side frame; 2. Guide rod; 21. Lifting plate; 22. Servo motor; 23. Two-way lead screw; 24. Square nut; 25. Adjusting rod; 3. Clamping rod; 31. Outer mold; 32. Groove mold; 33. Limiting stud; 34. Limiting nut. Detailed Implementation

[0021] Please see Figure 1-5 One embodiment provided by this utility model:

[0022] An integrated construction and pouring equipment for shield tunnel trenches includes a movable support 1. A pulley 11 is fixedly mounted on the surface of the movable support 1. A supporting side frame 12 is fixedly connected to the surface of the movable support 1. A lifting mechanism is provided on the surface of the movable support 1. The lifting mechanism includes a guide rod 2, which is slidably connected to the surface of the movable support 1. A lifting plate 21 is fixedly connected to the bottom of the guide rod 2. A servo motor 22 is fixedly connected to the surface of the movable support 1. A bidirectional lead screw 23 is fixedly connected to the output shaft of the servo motor 22. A square nut 24 is threaded onto the surface of the bidirectional lead screw 23. An adjusting rod 25 is rotatably connected to the bottom of the square nut 24. The end of the adjusting rod 25 away from the square nut 24 is rotatably connected to... On the upper surface of the lifting plate 21, a mold mechanism is provided. The mold includes a clamping rod 3, which is inserted into the side of the lifting plate 21. An outer mold 31 is fixedly connected to the surface of the clamping rod 3. A groove mold 32 is fixedly connected to the surface of the outer mold 31. A limiting stud 33 is fixedly connected to the surface of the outer mold 31. A limiting nut 34 is threadedly connected to the surface of the limiting stud 33. This pouring equipment is installed in the shield tunnel to plasticize the concrete. The pouring equipment is an integrated pouring construction, eliminating the need for manual assembly of steel molds, thereby reducing construction costs. It is also convenient to pour and can be quickly moved to the corresponding position to pour the groove, greatly improving the pouring efficiency.

[0023] Furthermore, the movable support 1 is composed of multiple sets of "L"-shaped rods and crossbars. Two sets of pulleys 11 are provided, located at both ends of the "L"-shaped rods of the movable support 1. The two ends of the movable support 1 slide on the bottom and side of the shield tunnel through the pulleys 11, thereby guiding the movement direction of the movable support 1.

[0024] Furthermore, guide holes are provided on the surface of the movable support 1, and guide rod 2 slides and rises and falls on the guide holes of the movable support 1. Lifting plate 21 slides and rises and falls on the surface of the movable support 1 through guide rod 2. The lifting plate 21 is in an "L" shape. The lifting plate 21 drives the outer mold 31 and the groove mold 32 to rise and fall synchronously, so that the outer mold 31 and the groove mold 32 can be lowered to a specified height to pour the groove, thereby ensuring the consistency of the pouring level. One side of the outer mold 31 is always in contact with the supporting side frame 12. The movable support 1 strengthens the structural strength of the side of the outer mold 31 through the supporting side frame 12.

[0025] Furthermore, the servo motor 22 drives the bidirectional lead screw 23 to rotate on the surface of the movable bracket 1 via the output shaft. Two sets of square nuts 24 are provided. The bidirectional lead screw 23 drives the two sets of square nuts 24 to slide on the surface of the movable bracket 1 by rotation, and the sliding directions of the two sets of square nuts 24 are opposite. After the bidirectional lead screw 23 has rotated, it will be locked in position by the output shaft of the servo motor 22. The bidirectional lead screw 23 will also lock the position of the square nuts 24 on the movable bracket 1, thereby realizing the adjustment and limit of the position of the square nuts 24.

[0026] Furthermore, the square nut 24 drives one end of the adjusting rod 25 to move, and the adjusting rod 25 will rotate on the square nut 24 to achieve self-adaptation. The adjusting rod 25 rotates on the lifting plate 21, and the square nut 24 drives the lifting plate 21 to slide and rise on the surface of the moving bracket 1 through rotation, thereby realizing the adjustment of the horizontal height of the lifting plate 21 without the need for manual adjustment of the horizontal height of the lifting plate 21.

[0027] Furthermore, a slot is provided on one side of the lifting plate 21, and the locking rod 3 is inserted into the slot on the side of the lifting plate 21. The locking rod 3 positions the outer mold 31 at the bottom of the lifting plate 21 and can effectively support one side of the outer mold 31. The outer mold 31 is in an "L" shape. There are three sets of groove molds 32, of which the middle set of groove molds 32 is a water tank, and the two side groove molds 32 are cable tanks. The groove molds 32 are used to form grooves after casting.

[0028] Furthermore, a circular hole is provided on the other side of the slot of the lifting plate 21, and the limiting stud 33 passes through the circular hole of the lifting plate 21. The lifting plate 21 supports the outer mold 31 and the groove mold 32 through the locking rod 3 and the limiting stud 33. The limiting nut 34, in conjunction with the limiting stud 33, can limit the position between the lifting plate 21 and the outer mold 31, thereby achieving complete support for the outer mold 31 and the groove mold 32. This design makes it convenient for the outer mold 31 and the groove mold 32 to be installed and disassembled at the bottom of the lifting plate 21, thus facilitating the replacement of the outer mold 31 and the groove mold 32.

[0029] Working principle: The movable support 1 is moved to the construction position via pulley 11. The output shaft of the servo motor 22 drives the bidirectional lead screw 23 to rotate. The bidirectional lead screw 23 drives two sets of square nuts 24 to slide horizontally on the surface of the movable support 1 through rotation. The square nuts 24 slide in opposite directions. During the sliding process, the square nuts 24 drive the adjusting rod 25 to rotate on the lifting plate 21. During the rotation of the adjusting rod 25, the lifting plate 21 drives the lifting plate 21 to slide on the surface of the movable support 1. The lifting plate 21 slides and rises and falls on the movable support 1 through the guide rod 2. During the rise and fall of the lifting plate 21, the outer mold 31 and the trench mold 32 slide and rise and fall synchronously. Thus, after the outer mold 31 and the trench mold 32 fall to the specified height, concrete is poured. The outer mold 31 shields the concrete, while the trench mold 32 is used to form the trench. This integrated construction and pouring equipment eliminates the need for manual assembly of steel molds, thereby reducing construction costs. It is also convenient to pour and can be quickly moved to the corresponding position for trench pouring, greatly improving the efficiency of pouring.

[0030] When the locking rod 3 is inserted into the slot of the lifting plate 21, the limiting stud 33 can also be inserted through the circular hole of the lifting plate 21. At this time, the limiting stud 33 and the locking rod 3 support the outer mold 31 and the groove mold 32. The limiting nut 34 is rotated on the limiting stud 33, so that the limiting nut 34 cooperates with the limiting stud 33 to restrict the outer mold 31 and the groove mold 32 to the bottom of the lifting plate 21. This makes it convenient to install the outer mold 31 and the groove mold 32 at the bottom of the lifting plate 21, and makes it convenient to replace the outer mold 31 and the groove mold 32. It also makes it convenient to remove the outer mold 31 and the groove mold 32 for maintenance, thus extending their service life.

Claims

1. An integrated construction and pouring equipment for shield tunnel trenches, characterized in that: The device includes a movable support frame, on which pulleys are fixedly mounted, and a supporting side frame is fixedly connected. A lifting mechanism is provided on the surface of the movable support frame, including a guide rod slidably connected to the surface of the movable support frame. A lifting plate is fixedly connected to the bottom of the guide rod. A servo motor is fixedly connected to the surface of the movable support frame, and a bidirectional lead screw is fixedly connected to the output shaft of the servo motor. A square nut is threaded onto the surface of the bidirectional lead screw, and an adjusting rod is rotatably connected to the bottom of the square nut. The end of the adjusting rod away from the square nut is rotatably connected to the upper surface of the lifting plate. A mold mechanism is provided on the surface of the lifting plate, including a clamping rod inserted into the side of the lifting plate. An outer mold is fixedly connected to the surface of the clamping rod, and a grooved mold is fixedly connected to the surface of the outer mold. A limit stud is fixedly connected to the surface of the outer mold, and a limit nut is threaded onto the surface of the limit stud.

2. The integrated construction and pouring equipment for shield tunnel trenches according to claim 1, characterized in that: The movable support consists of multiple sets of "L"-shaped rods and crossbars, and two sets of pulleys are provided, located at both ends of the "L"-shaped rods of the movable support.

3. The integrated construction and pouring equipment for shield tunnel trenches according to claim 1, characterized in that: The movable support has guide holes on its surface. The guide rod slides and rises and falls on the guide holes of the movable support. The lifting plate slides and rises and falls on the surface of the movable support through the guide rod. The lifting plate is in an "L" shape.

4. The integrated construction and pouring equipment for shield tunnel trenches according to claim 1, characterized in that: The servo motor drives the bidirectional lead screw to rotate on the surface of the moving bracket via the output shaft. Two sets of square nuts are provided. The bidirectional lead screw drives the two sets of square nuts to slide on the surface of the moving bracket by rotation, and the sliding directions of the two sets of square nuts are opposite.

5. The integrated construction and pouring equipment for shield tunnel trenches according to claim 4, characterized in that: The square nut drives one end of the adjusting rod to move, and the adjusting rod rotates on the lifting plate. The square nut drives the lifting plate to slide and rise on the surface of the moving bracket through rotation.

6. The integrated construction and pouring equipment for shield tunnel trenches according to claim 1, characterized in that: A slot is provided on one side of the lifting plate, and the locking rod is inserted into the slot on the side of the lifting plate. The outer mold is in an "L" shape, and three sets of groove molds are provided.

7. The integrated construction and pouring equipment for shield tunnel trenches according to claim 6, characterized in that: A circular hole is provided on the other side of the lifting plate slot, and the limiting stud passes through the circular hole of the lifting plate. The lifting plate supports the outer mold and the groove mold through the locking rod and the limiting stud.