Anti-loosening shield tunneling machine starting reinforcing steel sleeve

By designing connecting rods, connecting slots, rectangular slots, plug-in plates, and support components, the loosening problem of the initial reinforcement steel sleeve of the tunnel boring machine was solved, thereby improving the stability and safety of the tunnel boring machine.

CN223536353UActive Publication Date: 2025-11-11JIANGSU XIERDE CONSTR ENG CO LTD
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Patent Information

Application Number
CN202423005862.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-11
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The existing shield tunneling machine's initial reinforcement steel sleeve is prone to loosening due to vibration and other reasons, resulting in insufficient stability and safety.

Method used

The lower and upper cylinder rings are reinforced by connecting rods and connecting grooves, the base is fixed by rectangular grooves and plug plates, and the sleeve is supported by a support assembly through an internal threaded sleeve and an external threaded support column to enhance stability.

Benefits of technology

This improves the stability and safety of the steel sleeve during the initial launch phase of the tunnel boring machine (TBM), prevents loosening, and ensures the normal operation of the TBM.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel sleeves, in particular to an anti-loosening shield tunneling machine starting reinforcing steel sleeve which comprises a steel sleeve body, the steel sleeve body is composed of a base and a sleeve, inserting plates are welded to the two ends of one side of the base, and rectangular grooves are formed in the two ends of the side, away from the inserting plates, of the base. The sleeve comprises a lower sleeve ring and an upper sleeve ring, the upper sleeve ring is arranged at the top of the lower sleeve ring, and the base is welded to the bottom of the lower sleeve ring; side plates are welded to the two sides of the lower barrel ring, supporting assemblies are arranged at the bottoms of the side plates, each supporting assembly comprises fixing seats fixed to the two ends of the bottom of the corresponding side plate through bolts, and the bottom ends of the fixing seats are rotationally connected with internal thread sleeves through shaft rods; and the connected base can be reinforced through an inserting plate and a rectangular groove, a plurality of butt joint rods are inserted into a plurality of butt joint grooves, the connected lower cylinder ring and upper cylinder ring can be reinforced, the steel sleeve can be supported through a supporting assembly, and the stability of the steel sleeve is improved.
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Description

Technical Field

[0001] This utility model relates to the field of steel sleeve technology, specifically to a steel sleeve for reinforcing the starting of a tunnel boring machine to prevent loosening. Background Technology

[0002] The shield tunneling machine (TBM) launching reinforcement steel sleeve is an important technical component in TBM construction. It is mainly used to ensure the stability and safety of the TBM during the launching phase. When the TBM launches, the steel sleeve can withstand the pressure of the surrounding soil and prevent soil collapse.

[0003] A steel sleeve is pre-installed inside the shield tunneling starting shaft. The shield machine is then pushed into the steel sleeve to ensure tight contact between the front end of the shield machine and the steel sleeve. Existing steel sleeves have simple structures and are easily loosened due to vibration after being fixed with bolts and nuts. Therefore, a non-loosening shield machine starting reinforcement steel sleeve is proposed. The connecting rod and connecting groove can reinforce the lower and upper sleeve rings after connection. The rectangular groove and plug plate fix the base after connection. The sleeve can be supported by the support components. Utility Model Content

[0004] To address the problems in the existing technology, this utility model provides a shield machine starting reinforcement steel sleeve to prevent loosening. The connecting rod and connecting groove can reinforce the lower and upper cylinder rings after connection, the rectangular groove and plug plate fix the base after connection, and the sleeve can be supported by the support component.

[0005] The technical solution adopted by this utility model to solve its technical problem is a shield machine starting reinforcement steel sleeve to prevent loosening, including a steel sleeve, the steel sleeve is composed of a base and a sleeve, the base has plug plates welded to both ends on one side, and rectangular grooves are opened at both ends on the side of the base away from the plug plates. The sleeve includes a lower sleeve ring and an upper sleeve ring, the upper sleeve ring is set at the top of the lower sleeve ring, and the base is welded to the bottom of the lower sleeve ring.

[0006] Side plates are welded to both sides of the lower cylinder ring. A support assembly is provided at the bottom of the side plate. The support assembly includes a fixing seat that is fixed to both ends of the bottom of the side plate by bolts. An internal threaded sleeve is rotatably connected to the bottom end of the fixing seat through a shaft. An external threaded support column is sleeved at the bottom end of the internal threaded sleeve.

[0007] By adopting the above technical solution, the upper cylinder ring is fixed to the lower cylinder ring to form a sleeve. Multiple bases and sleeves are arranged and fixed to form a steel sleeve. The rectangular groove and plug plate can reinforce the connected bases. The internal threaded sleeve and external threaded support column can support the steel sleeve.

[0008] Specifically, the bottom end of the external threaded support column is rotatably connected to a base plate via a shaft, and the top end of the external threaded support column located inside the internal threaded sleeve is fixed with a limit block by bolts.

[0009] Specifically, the plug-in plate has a locking hole on one side, and the base has a screw hole on one side.

[0010] Specifically, the upper cylinder ring has a material hole at its top, and lifting lugs are welded to the top of the upper cylinder ring on both sides of the material hole.

[0011] Specifically, the bottom sides of the upper cylinder ring are connected to connecting rods at equal intervals via threaded grooves, and the top sides of the lower cylinder ring are provided with connecting grooves corresponding to the connecting rods at equal intervals.

[0012] The beneficial effects of this utility model are:

[0013] This utility model describes a shield tunneling machine launching reinforcement steel sleeve to prevent loosening. When the base is arranged and fixed, the plug plate is inserted into the rectangular groove on another base. The long screw is screwed into the screw hole, and one end is screwed into the locking hole, which can reinforce the connected base. When the upper cylinder ring is fixed on the lower cylinder ring, multiple connecting rods are inserted into multiple connecting grooves, which can reinforce the connected lower and upper cylinder rings. Rotating the internal threaded sleeve and rotating the external threaded support column, so that the bottom plate of the bottom end of the external threaded support column contacts the ground or the inner wall of the shield launching shaft, can be supported by the steel sleeve, improving the stability of the steel sleeve. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the sleeve structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the base structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the upper cylinder ring structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the lower cylinder ring structure of this utility model;

[0020] Figure 6 This is a schematic diagram of the support component structure of this utility model;

[0021] In the diagram: 1. Steel sleeve; 2. Base; 201. Insert plate; 202. Rectangular groove; 203. Clip hole; 204. Screw hole; 3. Sleeve; 301. Lower sleeve ring; 302. Upper sleeve ring; 4. Side plate; 5. Support assembly; 501. Fixing seat; 502. Internal threaded sleeve; 503. External threaded support column; 504. Base plate; 505. Limiting block; 6. Connecting rod; 7. Connecting groove; 8. Material hole; 9. Lifting lug. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] The connecting rod and connecting groove reinforce the lower and upper cylinder rings after connection, while the rectangular groove and plug plate fix the connected base. The support assembly supports the sleeve, such as... Figure 1-6 As shown, the present invention provides a shield tunneling machine starting reinforcement steel sleeve to prevent loosening, comprising a steel sleeve 1, wherein the steel sleeve 1 is composed of a base 2 and a sleeve 3, wherein a plug plate 201 is welded to both ends of one side of the base 2, and rectangular grooves 202 are provided at both ends of the side of the base 2 away from the plug plate 201, wherein the sleeve 3 comprises a lower sleeve ring 301 and an upper sleeve ring 302, wherein the upper sleeve ring 302 is disposed at the top of the lower sleeve ring 301, and the base 2 is welded to the bottom of the lower sleeve ring 301;

[0024] Side plates 4 are welded to both sides of the lower cylinder ring 301. A support assembly 5 is provided at the bottom of the side plate 4. The support assembly 5 includes a fixing seat 501 fixed to both ends of the bottom of the side plate 4 by bolts. The bottom end of the fixing seat 501 is rotatably connected to an internal threaded sleeve 502 through a shaft. An external threaded support column 503 is sleeved at the bottom end of the internal threaded sleeve 502.

[0025] In use, the upper cylindrical ring 302 is fixed to the lower cylindrical ring 301 to form a sleeve 3. Multiple bases 2 and sleeves 3 are arranged and fixed to form a steel sleeve 1. The rectangular groove 202 and the plug plate 201 can reinforce the connected base 2. The internal threaded sleeve 502 and the external threaded support column 503 can support the steel sleeve 1.

[0026] For example, such as Figure 6 As shown, the present invention also includes a base plate 504 rotatably connected to the bottom end of the external threaded support column 503 via a shaft, and a limit block 505 is fixed to the top end of the external threaded support column 503 inside the internal threaded sleeve 502 by bolts.

[0027] In use, the base plate 504 facilitates the placement of the bottom end of the external threaded support column 503 on the ground or the inner wall of the shield tunneling starting shaft, and the limiting block 505 can prevent the external threaded support column 503 from falling out of the internal threaded sleeve 502.

[0028] For example, such as Figure 3 As shown, the present invention also includes a card hole 203 on one side of the plug plate 201 and a screw hole 204 on one side of the base 2.

[0029] In use, the long screw is screwed into the screw hole 204 and one end is inserted into the card hole 203 to fix the plug plate 201 inserted into the rectangular slot 202.

[0030] For example, such as Figure 4 As shown, the present invention also includes a material hole 8 provided at the top of the upper cylindrical ring 302, and lifting lugs 9 welded to the top of the upper cylindrical ring 302 on both sides of the material hole 8.

[0031] When in use, the lifting lug 9 is designed to facilitate the lifting of external equipment by the upper cylinder ring 302.

[0032] For example, such as Figure 4 , Figure 5 As shown, the present invention also includes, on both sides of the bottom of the upper cylindrical ring 302, there are connecting rods 6 connected at equal intervals through threaded grooves, and on both sides of the top of the lower cylindrical ring 301, there are connecting grooves 7 corresponding to the connecting rods 6 at equal intervals.

[0033] When in use, when the upper cylindrical ring 302 is fixed on the lower cylindrical ring 301, the connecting rod 6 is inserted into the connecting groove 7 to improve the stability of the connection between the lower cylindrical ring 301 and the upper cylindrical ring 302.

[0034] In use, multiple bases 2 are arranged and fixed inside the shield tunneling starting shaft. At the same time, bolts and nuts are used to connect and fix the lower cylinder ring 301 on the base 2. When the bases 2 are arranged and fixed, the plug plate 201 is inserted into the rectangular groove 202 on another base 2. The long screw is screwed into the screw hole 204 and one end is screwed into the locking hole 203 to reinforce the connected bases 2.

[0035] Using external lifting equipment, the upper cylindrical ring 302 is lifted and moved onto the lower cylindrical ring 301 via the lifting lug 9. Bolts and nuts are used to fix the upper cylindrical ring 302 onto the lower cylindrical ring 301 to form a sleeve 3. When the upper cylindrical ring 302 is fixed onto the lower cylindrical ring 301, multiple connecting rods 6 are inserted into multiple connecting grooves 7 to reinforce the connected lower cylindrical ring 301 and upper cylindrical ring 302.

[0036] Multiple bases 2 and their top sleeves 3 are arranged and fixed to form a complete steel sleeve 1. Rotating the internal threaded sleeve 502 and rotating the external threaded support column 503 makes the bottom plate 504 at the bottom of the external threaded support column 503 contact the ground or the inner wall of the shield tunneling starting shaft. The steel sleeve 1 can provide support and improve the stability of the steel sleeve 1.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A type of anti-loosening shield tunneling machine starting reinforcement steel sleeve, characterized in that, The system includes a steel sleeve (1), which is composed of a base (2) and a sleeve (3). The base (2) has two ends of a plug plate (201) welded on one side. The base (2) has two ends of a rectangular groove (202) on the side away from the plug plate (201). The sleeve (3) includes a lower ring (301) and an upper ring (302). The upper ring (302) is located on the top of the lower ring (301). The base (2) is welded to the bottom of the lower ring (301). The lower cylinder ring (301) is welded with side plates (4) on both sides. A support assembly (5) is provided at the bottom of the side plate (4). The support assembly (5) includes a fixing seat (501) fixed to both ends of the bottom of the side plate (4) by bolts. The bottom end of the fixing seat (501) is rotatably connected to an internal threaded sleeve (502) through a shaft. The bottom end of the internal threaded sleeve (502) is sleeved with an external threaded support column (503).

2. The anti-loosening shield tunneling machine starting reinforcement steel sleeve according to claim 1, characterized in that, The bottom end of the external threaded support column (503) is rotatably connected to the base plate (504) via a shaft, and the top end of the external threaded support column (503) located inside the internal threaded sleeve (502) is fixed with a limit block (505) by bolts.

3. The anti-loosening shield tunneling machine starting reinforcement steel sleeve according to claim 1, characterized in that, The plug plate (201) has a locking hole (203) on one side, and the base (2) has a screw hole (204) on one side.

4. The anti-loosening shield tunneling machine starting reinforcement steel sleeve according to claim 1, characterized in that, The upper cylinder ring (302) is provided with a material hole (8) at the top, and lifting lugs (9) are welded to the top of the upper cylinder ring (302) on both sides of the material hole (8).

5. A shield tunneling machine launching reinforcement steel sleeve according to claim 1, characterized in that, The bottom sides of the upper cylindrical ring (302) are connected to the connecting rods (6) at equal intervals via threaded grooves, and the top sides of the lower cylindrical ring (301) are provided with connecting grooves (7) corresponding to the connecting rods (6) at equal intervals.