Damping device of shield tunneling machine for shield tunneling method construction

Abstract

The utility model relates to the technical field of damping devices, and discloses a damping device of a shield tunneling machine in shield tunneling method construction, which comprises a shield tunneling machine main body and a support base, the upper end of the support base is clamped with a support rod used for connection, the upper end of the support rod is fixedly connected with a support plate used for positioning, and the support plate is fixedly connected with the shield tunneling machine main body. A rubber pad is arranged on the inner side wall of the supporting plate, and the lower end of the supporting rod is detachably connected with a spring column used for damping. According to the damping device of the shield tunneling machine for shield tunneling method construction, through cooperative arrangement of the supporting rods, the supporting plates, the rubber pads, the spring columns and the stand columns, when the shield tunneling machine works, the rubber pads arranged in the supporting plates can play a role in protecting the interior and exterior of the shield tunneling machine, and through the supporting rods, the spring rods and the stand columns, the shield tunneling machine can be protected; according to the shield tunneling machine, vibration generated when the shield tunneling machine works can be weakened, so that parts in the shield tunneling machine are protected, and the problem that the parts in the shield tunneling machine are damaged due to vibration is further solved.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorption devices, in particular to a shock absorption device for a shield machine in shield tunneling construction. Background Technique

[0002] A shield machine is a tunnel boring machine using the shield method and is an indispensable construction machinery in modern urbanization construction. Its rock breaking efficiency and propulsion speed have attracted much attention. The shield machine is mainly used for tunnel boring construction. Through its unique boring system and cutter head device, the shield machine can efficiently and accurately excavate underground soil or rock to form a tunnel space with a predetermined diameter. During the boring process, the shield machine can effectively protect the surrounding environment and reduce the interference and damage to ground buildings, roads and underground pipelines. It maintains the stability of the excavation face through technical means such as earth pressure balance or slurry balance to prevent ground settlement and collapse.

[0003] Chinese Patent Publication No. CN216715108U discloses a shock absorption device for a shield machine in shield tunneling construction, including a shock absorber. A buffer is arranged at the top of the shock absorber, a buffer block is connected to the top of the buffer, a fixing plate is arranged on the outer side of the bottom of the shock absorber, arc surfaces are arranged on the four sides of the buffer block, and mounting holes are evenly opened at the four corners of the top of the fixing plate. By setting the shock absorber, the metal fatigue caused by the use of the shock absorber is reduced, and the service life of the shock absorber is increased. By setting the buffer, the shield machine is initially buffered and shock-absorbed, and at the same time, the metal fatigue caused by excessive force on the buffer is reduced, and the shock absorber and the buffer are used in cooperation to further shock-absorb, thereby effectively improving the shock absorption efficiency of the shock absorption device and reducing the metal fatigue of the shock absorption device, greatly saving the maintenance and replacement costs.

[0004] However, when this utility model is actually used, the following problems exist:

[0005] 1. In the prior art, when the shield machine is under construction, it will generate intense vibrations. Under long-term operation, some parts inside may be damaged.

[0006] 2. In the prior art, it is not convenient to repair the internal parts and replace the damaged parts, which reduces the low convenience of the staff when maintaining the device. Content of the Utility Model

[0007] (I) Technical Problems to be Solved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a shock absorbing device for a shield machine used in shield construction, which solves the problem in the prior art that the shield machine will generate violent vibrations during construction, which may cause damage to some internal parts after long-term work, and at the same time, it is inconvenient to repair the internal parts and replace the damaged parts, thereby reducing the problem of low convenience for staff when maintaining the device.

[0009] (II) Technical solution

[0010] To achieve the above purpose, the utility model is implemented through the following technical scheme: a shock absorbing device for a shield machine constructed by the shield method, comprising a shield machine body and a support base, the upper end of the support base is clamped with a support rod for connection, the upper end of the support rod is fixedly connected with a support plate for positioning, the inner side wall of the support plate is provided with a rubber pad, the lower end of the support rod is detachably connected with a spring column for shock absorption, the lower end of the spring column is fixedly installed with a column for support, an inspection groove is opened on the side of the support base, and the inner bottom wall of the inspection groove is clamped with a cover plate for protection.

[0011] Preferably, one end of the shield machine body is rotatably connected to a rotating shaft for rotation, and a cutter disc is fixedly mounted on the lower end of the rotating shaft.

[0012] Preferably, a positioning plate for connection is fixedly connected to the upper end of the spring column, and a threaded head for fixation is inserted into the upper end of the positioning plate.

[0013] Preferably, a disc for positioning is fixedly connected to the lower end of the column, and a base plate for supporting is fixedly installed on the lower end of the disc.

[0014] Preferably, a bolt for fixing is inserted into the upper end of the disc, and the bolt passes through the upper end of the disc and is threadedly connected to the upper end of the base plate.

[0015] Preferably, a fixing plate for connection is fixedly mounted on the lower end of the base plate, and a buffer rod for shock absorption is fixedly connected to the lower end of the fixing plate.

[0016] Preferably, the lower end of the buffer rod is fixedly connected to a chassis for fixing, and the lower end of the chassis is plugged with a screw for fixing.

[0017] Preferably, a handle for pulling out is fixedly mounted on the side of the cover plate, and an anti-slip pad is provided on the outer surface of the handle.

[0018] (III) Beneficial effects

[0019] The utility model provides a shock absorbing device for a shield machine used in shield construction, which has the following beneficial effects:

[0020] 1. The shock absorption device of the shield machine for shield tunneling construction, through the cooperation of the support rod, support plate, rubber pad, spring column and column, when the shield machine is working, the rubber pad arranged inside the support plate can protect the inside and outside of the shield machine. Through the support rod, spring rod and column, the vibration generated by the shield machine during operation can be weakened, thereby protecting the parts inside the shield machine and further reducing the problem of damage to the parts inside the shield machine caused by vibration.

[0021] 2. The shock absorption device of the shield machine for shield tunneling construction, through the cooperation of the inspection slot and the cover plate, can facilitate the staff to replace and repair the damaged parts inside the shock absorption device through the reserved inspection slot, further ensuring the stability of the shock absorption device during operation, further improving the convenience of the shock absorption device of the shield machine for shield tunneling construction. At the same time, through the cover plate, it plays a protective role for the shock absorption device to prevent soil blocks and stones from entering the inside of the inspection slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of the present invention;

[0023] Figure 2 It is a schematic structural diagram of the support base of the present invention;

[0024] Figure 3 It is a schematic structural diagram of the support plate of the present invention;

[0025] Figure 4 It is a schematic structural diagram of the column of the present invention;

[0026] Figure 5 It is a schematic structural diagram of the buffer rod of the present invention.

[0027] In the figure: 1. Shield machine main body; 2. Support base; 3. Support rod; 4. Support plate; 5. Rubber pad; 6. Spring column; 7. Column; 8. Inspection slot; 9. Cover plate; 10. Rotating shaft; 11. Cutter head; 12. Positioning disk; 13. Threaded head; 14. Disk; 15. Bottom plate; 16. Bolt; 17. Fixed disk; 18. Buffer rod; 19. Chassis; 20. Screw; 21. Handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1 to 5, an embodiment of the present utility model provides a shock absorption device for a shield machine in shield tunneling construction. This shock absorption device for a shield machine in shield tunneling construction is applied to the scenario of using a shield machine for excavation. In this embodiment, by improving the structure of the shield machine, it has the advantages of shock absorption and convenience for maintenance by staff.

[0030] Embodiment 1:

[0031] Please refer to Figure 1 and Figure 2 , to facilitate excavation and improve the convenience of the device, it includes a shield machine main body 1 and a support base 2. One end of the shield machine main body 1 is rotatably connected to a rotating shaft 10 for rotation. The lower end of the rotating shaft 10 is fixedly installed with a cutter head 11;

[0032] Through the settings of the rotating shaft 10 and the cutter head 11, when the shield machine main body 1 is started, it can excavate and cut the soil and stones in front more stably and conveniently, further improving the convenience of the device;

[0033] Embodiment 2:

[0034] Please refer to Figures 1 to 5 , to connect the support rod 3 with the spring column 6, further ensuring the shock absorption effect on the shield machine main body 1. The upper end of the support base 2 is snap-connected with a support rod 3 for connection. The upper end of the support rod 3 is fixedly connected with a support plate 4 for positioning. A rubber pad 5 is provided on the inner side wall of the support plate 4. The lower end of the support rod 3 is detachably connected with a spring column 6 for shock absorption. The lower end of the spring column 6 is fixedly installed with a column 7 for support. The upper end of the spring column 6 is fixedly connected with a positioning plate 12 for connection. The upper end of the positioning plate 12 is inserted with a threaded head 13 for fixation. The lower end of the column 7 is fixedly connected with a disc 14 for positioning. The lower end of the disc 14 is fixedly installed with a bottom plate 15 for support. The upper end of the disc 14 is inserted with a bolt 16 for fixation. The bolt 16 passes through the upper end of the disc 14 and is threadedly connected to the upper end of the bottom plate 15. The lower end of the bottom plate 15 is fixedly installed with a fixing plate 17 for connection. The lower end of the fixing plate 17 is fixedly connected with a buffer rod 18 for shock absorption. The lower end of the buffer rod 18 is fixedly connected with a chassis 19 for fixation. The lower end of the chassis 19 is inserted with a screw 20;

[0035] Through the settings of the positioning disc 12 and the threaded head 13, the spring column 6 can be more stably fixed at the lower end of the support rod 3, playing a role in damping the support plate 4, and the elastic coefficient of the spring column 6 can fully achieve the above functions. Through the settings of the disc 14, the bottom plate 15 and the bolt 16, the column 7 can be more stably fixed at the upper end of the bottom plate 15, playing a role in supporting the column 7. Through the settings of the fixing disc 17, the buffer rod 18, the chassis 19 and the screw 20, the bottom plate 15 can be more stably fixed on the inner bottom wall of the support base 2, and at the same time, the damping force on the support plate 4 is strengthened;

[0036] Embodiment Three:

[0037] Please refer to Figure 1 and Figure 2 , for the convenience of the staff to open and close the cover plate 9, a maintenance slot 8 is provided on the side of the support base 2. The inner bottom wall of the maintenance slot 8 is clamped with a cover plate 9 for protection. A handle 21 for pulling out is fixedly installed on the side of the cover plate 9, and an anti-slip pad is provided on the outer surface of the handle 21;

[0038] Through the settings of the handle 21 and the anti-slip pad, it is convenient for the staff to open and close the cover plate 9 and repair the parts inside the maintenance slot 8. At the same time, when opening and closing, it plays a role in protecting the hands of the staff.

[0039] The electrical components appearing in this article are all electrically connected to the external main controller and 220V mains power, and the main controller can be a conventional known device such as a computer for control.

[0040] In the present utility model, the working steps of the device are as follows:

[0041] First, through the chassis 19 and the screw 20, the buffer rod 18 can be fixed on the inner bottom wall of the support base 2, and through the fixing disc 17, the bottom plate 15 can be fixed on the upper end of the buffer rod 18. Secondly, through the disc 14 and the bolt 16, the column 7 can be fixed on the upper end of the bottom plate 15, and the spring column 6 can be fixed on the inner bottom wall of the column 7. Then, through the positioning disc 12 and the threaded head 13, the support rod 3 can be connected to the spring column 6, and the support plate 4 can be fixed on the upper end of the support base 2. Finally, the shield machine main body 1 can be fixed on the upper end of the support plate 4, and the cover plate 9 can be closed, and then the shield machine main body 1 can be started to work.

[0042] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A shock absorbing device for a shield machine used in shield construction, comprising a shield machine body (1) and a support base (2), characterized in that: The upper end of the support base (2) is clamped with a support rod (3) for connection, the upper end of the support rod (3) is fixedly connected with a support plate (4) for positioning, the inner side wall of the support plate (4) is provided with a rubber pad (5), the lower end of the support rod (3) is detachably connected with a spring column (6) for shock absorption, the lower end of the spring column (6) is fixedly mounted with a supporting column (7), the side of the support base (2) is provided with an inspection groove (8), and the inner bottom wall of the inspection groove (8) is clamped with a cover plate (9) for protection.

2. The shock absorbing device for a shield machine for shield construction according to claim 1, characterized in that: One end of the shield machine body (1) is rotatably connected to a rotating shaft (10) for rotation, and a cutter head (11) is fixedly mounted on the lower end of the rotating shaft (10).

3. The shock absorbing device for a shield machine for shield construction according to claim 1, characterized in that: The upper end of the spring column (6) is fixedly connected to a positioning plate (12) for connection, and the upper end of the positioning plate (12) is plugged with a threaded head (13) for fixing.

4. The shock absorbing device for a shield machine for shield construction according to claim 1, characterized in that: A circular disc (14) for positioning is fixedly connected to the lower end of the column (7), and a bottom plate (15) for supporting is fixedly mounted on the lower end of the circular disc (14).

5. The shock absorbing device for a shield machine for shield construction according to claim 4, characterized in that: A bolt (16) for fixing is inserted into the upper end of the disc (14), and the bolt (16) passes through the upper end of the disc (14) and is threadedly connected to the upper end of the bottom plate (15).

6. The shock absorbing device for a shield machine for shield construction according to claim 4, characterized in that: A fixing plate (17) for connection is fixedly mounted on the lower end of the bottom plate (15), and a buffer rod (18) for shock absorption is fixedly connected to the lower end of the fixing plate (17).

7. The shock absorbing device for a shield machine for shield construction according to claim 6, characterized in that: The lower end of the buffer rod (18) is fixedly connected to a chassis (19) for fixing, and the lower end of the chassis (19) is plugged with a screw (20) for fixing.

8. The shock absorbing device for a shield machine for shield construction according to claim 1, characterized in that: A handle (21) for pulling out is fixedly mounted on the side of the cover plate (9), and an anti-slip pad is provided on the outer surface of the handle (21).

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