TBM main drive lip-shaped seal lubrication auxiliary equipment and using method thereof

Abstract

To disclose TBM main drive lip-shaped seal lubrication auxiliary equipment and a using method thereof.SOLUTION: A mounting mechanism comprises a first mounting frame, a second mounting frame and a rotating component. A plurality of first connecting blocks are fixedly connected to the outer surface of the first mounting frame at equal intervals, and a plurality of second connecting blocks are fixedly connected to the outer surface of one side of the second mounting frame at equal intervals. Each second connecting block is fixedly connected with the outer surface of one side of the corresponding first connecting block through a bolt, one end of the second mounting frame extends into the first mounting frame, and the rotating component is arranged on the first mounting frame. In the case of use, a gear ring driven by an existing TBM is arranged on the outer surface of a connecting disc in a sleeving mode, meanwhile, the connecting disc and a cutter head driven by the existing TBM are stably connected through bolts, a driving gear driven by the existing TBM is arranged on the outer surface of a linkage shaft in a sleeving mode, and then the linkage shaft is connected to motor equipment driven by the existing TBM through a coupling body.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention belongs to the technical field of construction lubrication equipment, and particularly relates to a TBM main drive lip seal lubrication auxiliary equipment and its use method. [Background technology]

[0002] TBMs, also known as tunnel boring machines, have a history of application and development in China for nearly 60 years, and are widely used in industries such as railway tunnels, water conservancy tunnels and urban subways. In recent years, new types of TBMs, such as inclined shaft TBMs, vertical shaft TBMs, mini TBMs, extra-large diameter TBMs, composite TBMs and irregular cross-section TBMs, have also been researched, developed and put to use, making great strides in the field of application. If good technology is developed, it will be popularized throughout the world.

[0003] However, in the prior art, when the main bearings of the existing TBM equipment are damaged in the actual use process, the construction time, cost and difficulty of replacement for the TBM are immeasurable, resulting in huge losses. The sealing effect of the lip seal also directly determines its own service life. At the same time, when the seal is worn out, the excavated rubble is likely to enter the gear box lubricated by the main shaft, which will further damage the main bearings, indirectly affecting the service life of the main bearings. The use effect of the existing TBM lubrication auxiliary equipment is poor. Summary of the Invention [Means for solving the problem]

[0004] The objective of the present application is to provide a TBM main drive lip seal lubrication auxiliary equipment and a method for using the same, which can improve the sealing effect of the lubrication equipment, is less likely to cause damage to the sealing effect, and can effectively prevent the impact of crushed stone debris on the gearbox of the existing TBM equipment, thereby improving the actual service life of the existing TBM equipment.

[0005] The technical solutions adopted by the present invention are as follows: A TBM main drive lip seal lubrication auxiliary equipment, comprising: The mounting mechanism includes a first mounting frame, a second mounting frame, and a rotating member, a plurality of first connection blocks are fixedly connected to an outer surface of the first mounting frame at equal intervals, a plurality of second connection blocks are fixedly connected to an outer surface of one side of the second mounting frame at equal intervals, and each of the second connection blocks is fixedly connected to the outer surface of one side of the corresponding first connection block by a bolt, one end of the second mounting frame extends inside the first mounting frame, and the rotating member is provided on the first mounting frame, The device has a conveying mechanism, which includes a filtration frame, an injection pipe and an extraction pipe, the filtration frame is fixedly connected to one of the outer surfaces of a first mounting frame, one end of the injection pipe penetrates one of the outer surfaces of the first mounting frame, one end of the extraction pipe penetrates one of the outer surfaces of the first mounting frame, a filtration plate is fixedly connected to one of the inner surface walls of the filtration frame, a first shielding plate is fixedly connected to one of the outer surfaces of the filtration plate, a collection frame is slidably inserted into one of the outer surfaces of the filtration frame, and a second shielding plate is fixedly connected to one of the outer surfaces of the filtration frame.

[0006] Here, the rotating member includes an interlocking shaft and a rotating ring, both of which are provided in plurality, and each of the multiple interlocking shafts is rotatably connected to one outer surface of the first mounting frame, and one end of each interlocking shaft extends inside the first mounting frame, and a coupling body is fixedly connected to one end of each interlocking shaft, and the rotating ring is rotatably connected to the first mounting frame.

[0007] Here, a gasket is fixedly connected to one side of the inner surface wall of the first mounting frame, and a plurality of reset frames are fixedly connected at equal intervals to one side of the inner surface wall of the second mounting frame.

[0008] Here, a reset spring and abutment sheet are slidably fitted inside each reset frame, an abutment rod is fixedly connected to one outer surface of each of the abutment sheets, and a pressing ring is fixedly connected between one ends of the multiple abutment rods.

[0009] Here, a current-limiting ring is inserted inside the pressing ring, one end of the current-limiting ring extends inside the gasket, and a plurality of connection ports are formed at equal intervals on the outer surface of the current-limiting ring.

[0010] Here, a connecting disk is fitted onto the outer surface of the rotating ring, and a locking ring is screwed onto one outer surface of the second mounting frame.

[0011] Here, a plurality of mounting brackets are disposed at equal intervals through the inner surface wall on one side of the second mounting frame, a liquid guide pipe is inserted inside each of the mounting brackets, and a cutting tool is slidably inserted into the outer surface on one side of each of the mounting brackets.

[0012] Here, an injection check valve is connected to one end of the injection pipe, a control valve is connected to the outer surface of the extraction pipe, one end of the extraction pipe extends into the inside of the filtration frame, and the tip of the extraction pipe (18) slides through the inner bottom surface of the filter plate.

[0013] Here, a booster pump is fixedly connected to one side outer surface of the first mounting frame, a first connecting pipe is connected to the input end of the booster pump, one end of the first connecting pipe extends inside the filter frame and one end of the first connecting pipe penetrates the top of the filter plate, a second connecting pipe is connected to the output end of the booster pump, and one end of the second connecting pipe is fixedly connected to the input end of the injection check valve.

[0014] 1. A method for using a TBM main drive lip seal lubrication auxiliary equipment, comprising: The ring gear of the existing TBM drive is covered on the outer surface of the connecting disc, the connecting disc 4 and the cutter head of the existing TBM drive are firmly connected by bolts, and the driving gear of the existing TBM drive is covered on the outer surface of the interlocking shaft, the interlocking shaft is connected to the motor equipment of the existing TBM drive by the coupling body, and the equipment and the inner wall structure of the existing TBM equipment are stably hung and connected by the first mounting frame and the second mounting frame, and when the motor equipment of the existing TBM drive is started and controlled, the interlocking shaft can be driven and rotated by the motor equipment of the existing TBM drive through the coupling body, and the rotating interlocking shaft can rotate the ring gear of the existing TBM drive through the driving gear of the existing TBM drive, and the ring gear of the existing TBM drive is connected to the motor equipment of the existing TBM drive. the connecting disc can rotate, and the rotating connecting disc can rotate the cutter head of the existing TBM drive and can be effectively connected to the existing injection equipment through the liquid guide tube; and in the process of scraping off the residue on the surface of the driving gear of the existing TBM drive by the scraper at one end of the mounting bracket, the liquid guide tube can inject the lubricating liquid flowing at high speed into the meshing point between the driving gear of the existing TBM drive and the ring gear of the existing TBM drive, and prevent the meshing point from being affected by the intrusion of unexpected stone chips; and injecting an appropriate amount of lubricating liquid into the sealed space formed between the first mounting frame, the second mounting frame and the locking ring, so that the lubricating liquid can soak into the filter plate and all the driving gears of the existing TBM drive; and step S2 of performing protective control by starting and controlling the booster pump, which can re-inject the lubricating liquid filtered by the filter plate into the injection pipe via the first connecting pipe and the second connecting pipe, and further re-inject it between the current-limiting ring and the ring gear of the existing TBM drive, so that during rotation of the ring gear of the existing TBM drive, under the position restriction of the current-limiting ring, the lubricating liquid on the outside of the ring gear of the existing TBM drive can be caused to flow, thereby preventing stone chips from adhering to the outside of the ring gear of the existing TBM drive. Effect of the Invention

[0015] In view of the above, by adopting the above technical solution, the beneficial effects of the present application are as follows: In the present application, during use, the ring gear of the existing TBM drive is installed on the outer surface of the connecting disc, the connecting disc and the cutter head of the existing TBM drive are firmly connected by bolts, and the drive gear of the existing TBM drive is installed on the outer surface of the interlocking shaft, the interlocking shaft is connected to the motor equipment of the existing TBM drive by the coupling body, and the equipment and the inner wall structure of the existing TBM equipment are stably hung and connected by the first mounting frame and the second mounting frame, and when the motor equipment of the existing TBM drive is started and controlled, the interlocking shaft can be effectively driven and rotated by the motor equipment of the existing TBM drive via the coupling body, and the rotating interlocking shaft effectively rotates the ring gear of the existing TBM drive via the driving gear of the existing TBM drive. and the ring gear of the existing TBM drive can rotate the connecting disc, and the rotating connecting disc can effectively rotate the cutter head of the existing TBM drive, and can be effectively connected to the existing injection equipment through the liquid guide tube. Furthermore, in the process of scraping off the residue on the surface of the driving gear of the existing TBM drive by the scraper at one end of the mounting bracket, the liquid guide tube can inject lubricating liquid flowing at high speed into the meshing point between the driving gear of the existing TBM drive and the ring gear of the existing TBM drive, thereby preventing the meshing point from being affected by unexpected stone chips, and allowing the equipment to efficiently perform auxiliary lubrication treatment, while effectively preventing the impact of stone chips from the outside, and effectively extending the service life of the existing TBM equipment. [Brief description of the drawings]

[0016] [Figure 1] FIG. 1 is a front perspective view of the present invention. [Diagram 2] FIG. 2 is a rear perspective view of the present invention. [Diagram 3] FIG. 2 is a front cross-sectional perspective view of the present invention. [Figure 4] FIG. 2 is a front cross-sectional exploded perspective view of the present invention; [Diagram 5] FIG. 5 is a partial enlarged view of a portion A in FIG. 4 according to the present invention. [Figure 6] FIG. 5 is a partial enlarged view of a portion B in FIG. 4 of the present invention. [Figure 7] FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] In order to clarify the object, claims and advantages of the present invention, the present invention will be described in more detail below in conjunction with drawings and examples. It should be understood that the specific embodiments described in this specification are only used to explain the present invention, and are not used to limit the present invention.

[0018] Example 1 As shown in FIG. 1-FIG. 7, the TBM main drive lip seal lubrication auxiliary equipment has an installation mechanism and a conveying mechanism. The installation mechanism includes a first mounting frame 1, a second mounting frame 8, and a rotating member. The first mounting frame 1 is provided to provide an installation base for other functional parts of the equipment together with the second mounting frame 8, and to form an effective sealed storage space together with the locking ring 9 and the connecting disk 4. A number of first connecting blocks are fixedly connected to the outer surface of the first mounting frame 1 at equal intervals. The first connecting blocks are By providing the second connection block, a strong connection between the first mounting frame 1 and the second mounting frame 8 can be easily achieved in accordance with the second connection block, a plurality of second connection blocks are fixedly connected at equal intervals to one side outer surface of the second mounting frame 8, and each second connection block is fixedly connected to one side outer surface of the corresponding first connection block by a bolt, one end of the second mounting frame extends into the inside of the first mounting frame, the rotating member is provided on the first mounting frame 1, and the transport mechanism includes a filter frame 16, an injection pipe 24 and an extraction pipe 18. By providing the filter frame 16, This facilitates the installation of other functional parts of the equipment and allows temporary storage of the lubricating liquid. By providing an injection pipe 24, the lubricating liquid can be injected into the first mounting frame 1, and by providing an extraction pipe 18, the lubricating liquid containing stone chips can be sucked into the filter frame 16. The filter frame 16 is fixedly connected to one side outer surface of the first mounting frame 1, one end of the injection pipe 24 penetrates one side outer surface of the first mounting frame 1, and one end of the extraction pipe 18 penetrates one side outer surface of the first mounting frame 1, and the filter frame 16 A filter plate 17 is fixedly connected to one side of the inner surface wall of the filter frame 16, and the provision of the filter plate 17 makes it possible to effectively separate stone chips in the lubricating liquid. A first shielding plate 19 is fixedly connected to one side of the outer surface of the filter plate 17, and the provision of the first shielding plate 19 makes it easy to remove the collecting frame 21 in accordance with the second shielding plate 20. A collecting frame 21 is slidably inserted into one side of the outer surface of the filter frame 16, and the provision of the collecting frame 21 makes it easy to collect the settled stone chips. A second shielding plate 20 is fixedly connected to one side of the outer surface of the filter frame 16.

[0019] 3 to 7, the rotating member includes an interlocking shaft 2 and a rotating ring 3. The interlocking shaft 2 is provided to facilitate the installation of a drive gear for driving an existing TBM, and the rotating ring 3 is provided to facilitate the installation of a ring gear for driving an existing TBM. A plurality of interlocking shafts 2 are provided, and each of the plurality of interlocking shafts 2 is rotatably connected to one outer surface of the first mounting frame 1. One end of each interlocking shaft 2 extends into the first mounting frame 1. A coupling body 25 is fixedly connected to one end of each interlocking shaft 2. The provision of the coupling body 25 facilitates the installation of a motor equipment for driving an existing TBM. can be firmly connected to the interlocking shaft 2, the rotating ring 3 is rotatably connected to the first mounting frame 1, a gasket 5 is fixedly connected to one side of the inner surface wall of the first mounting frame 1, and the provision of the gasket 5 makes it easy to install the current-limiting ring 7 in accordance with the pressing ring 6, a plurality of reset frames 13 are fixedly connected at equal intervals to one side of the inner surface wall of the second mounting frame 8, and the provision of the reset frames 13 makes it easy to install other functional parts of the equipment, and a reset spring 15 and a contact sheet 14 are slidably fitted inside the reset frame 13, and the provision of the reset spring 15 makes it easy to install the The contact sheets 14 can be effectively supported, and the provision of the contact sheets 14 makes it easy to attach and install the contact rods. The contact rods are fixedly connected to the outer surface of one side of each contact sheet 14. The provision of the contact rods makes it easy to attach and install the pressing ring 6, and the use position of the pressing ring 6 can be effectively controlled. The pressing ring 6 is fixedly connected between one end of a plurality of pressing rods, and a current-limiting ring 7 is inserted inside the pressing ring 6. The provision of the current-limiting ring 7 prevents the rotating ring gear of the existing TBM drive from driving the outer lubricating fluid to flow. One end of the current-limiting ring 7 extends into the inside of the gasket 5, and a number of connection ports are provided at equal intervals on the outer surface of the current-limiting ring 7, allowing the drive gear of the existing TBM to mesh normally with the ring gear of the existing TBM, a connecting disk 4 is fitted onto the outer surface of the rotating ring 3, and the provision of the connecting disk 4 allows the equipment to be efficiently connected to the cutter head of the existing TBM equipment, and a locking ring 9 is screwed onto the outer surface of one side of the second mounting frame 8, and the installation of the locking ring 9 allowsThe use position of the pressing ring 6 can be effectively pressed and moved, and the inside of the first mounting frame 1 and the second mounting frame 8 can be sealed in accordance with the connecting disk 4. A plurality of mounting brackets 10 are equally spaced through the inner surface wall of one side of the second mounting frame 8. The provision of the mounting brackets 10 facilitates the installation of other functional parts of the equipment. A liquid guide tube 11 is inserted into each mounting bracket 10. The provision of the liquid guide tube 11 allows the lubricating liquid to be effectively injected into the inside of the first mounting frame 1 and the second mounting frame 8. A cutting tool 12 is slidably inserted into the outer surface of one side of each mounting bracket 10. The provision of the cutting tool 12 allows the cleaning of the surface of the driving gear of the existing TBM drive to be effectively performed. An injection check valve is connected to one end of the injection tube 24. The provision of the injection check valve effectively prevents the lubricating liquid from flowing back. An extraction tube 18 is provided. A control valve is connected to the outer surface of the first mounting frame 1, and the control valve can effectively control the connection and blocking of the extraction pipe 18. One end of the extraction pipe 18 extends into the inside of the filter frame 16, and the tip of the extraction pipe 18 slides through the inner bottom surface of the filter plate 17. A booster pump 23 is fixedly connected to one outer surface of the first mounting frame 1, and the booster pump 23 can be efficiently moved and transported. The input end of the booster pump 23 is connected to the first connecting pipe 22, and the first connecting pipe 22 can efficiently move and transport the lubricating liquid together with the second connecting pipe. One end of the first connecting pipe 22 extends into the inside of the filter frame 16, and one end of the first connecting pipe 22 penetrates the top of the filter plate 17. The output end of the booster pump 23 is connected to the second connecting pipe, and one end of the second connecting pipe is fixedly connected to the input end of the injection check valve.

[0020] The following is a detailed description of the method for using the TBM main drive lip seal lubrication auxiliary equipment provided by the embodiment of the present invention. The method for using the equipment includes: The ring gear of the existing TBM drive is installed on the outer surface of the connection disk 4, and the connection disk 4 and the cutter head of the existing TBM drive are firmly connected by bolts. The drive gear of the existing TBM drive is installed on the outer surface of the interlocking shaft 2. The interlocking shaft 2 is connected to the motor equipment of the existing TBM drive by the coupling body 25. The equipment and the inner wall structure of the existing TBM equipment are stably hung and connected by the first mounting frame 1 and the second mounting frame 8. When the motor equipment of the existing TBM drive is started and controlled, the interlocking shaft 2 can be driven and rotated by the motor equipment of the existing TBM drive via the coupling body 25. The rotating interlocking shaft 2 can rotate the ring gear of the existing TBM drive via the drive gear of the existing TBM drive. The ring gear of the existing TBM drive is connected to the motor equipment of the existing TBM drive by the coupling body 25. the connecting disc 4 can rotate, and the rotating connecting disc 4 can rotate the cutter head of the existing TBM drive and can be effectively connected to the existing injection equipment through the liquid guide tube 11; and in the process of scraping off the residue on the surface of the driving gear of the existing TBM drive by the scraper 12 at one end of the mounting bracket 10, the liquid guide tube 11 can inject the lubricating liquid flowing at high speed into the meshing point between the driving gear of the existing TBM drive and the ring gear of the existing TBM drive, and prevent the meshing point from being affected by the intrusion of unexpected stone chips; and a lubricating setting step S1 injects an appropriate amount of lubricating liquid into the sealed space formed between the first mounting frame 1, the second mounting frame 8 and the locking ring 9, so that the lubricating liquid can soak into the filter plate 17 and all the driving gears of the existing TBM drive; and step S2, by starting and controlling the booster pump 23, the booster pump 23 can re-inject the lubricating liquid filtered by the filter plate 17 into the injection pipe 24 via the first connecting pipe 22 and the second connecting pipe, and further re-inject it between the current-limiting ring 7 and the ring gear of the existing TBM driven. During the rotation of the ring gear of the existing TBM driven, under the position restriction of the current-limiting ring 7, the lubricating liquid on the outside of the ring gear of the existing TBM driven can be made to flow, thereby preventing the adhesion of stone chips to the outside of the ring gear of the existing TBM driven. This can efficiently perform auxiliary lubrication treatment for the equipment, and at the same time, can effectively prevent the influence of stone chips from the outside and effectively extend the service life of the existing TBM equipment.

[0021] The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. All modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. [Explanation of symbols]

[0022] 1, first mounting frame; 2, interlocking shaft; 3, rotating ring; 4, connecting disc; 5, gasket; 6, pressing ring; 7, current limiting ring; 8, second mounting frame; 9, locking ring; 10, mounting bracket; 11, liquid guide tube; 12, cutting tool; 13, reset frame; 14, abutment sheet; 15, reset spring; 16, filtration frame; 17, filtration plate; 18, extraction tube; 19, first shielding plate; 20, second shielding plate; 21, collection frame; 22, first connecting tube; 23, booster pump; 24, injection tube; 25, coupling body.

Claims

1. A TBM main drive lip seal lubrication auxiliary equipment, comprising: The mounting mechanism includes a first mounting frame (1), a second mounting frame (8), and a rotating member, a plurality of first connection blocks are fixedly connected to an outer surface of the first mounting frame (1) at equal intervals, a plurality of second connection blocks are fixedly connected to an outer surface of one side of the second mounting frame (8) at equal intervals, and each of the second connection blocks is fixedly connected to the outer surface of one side of the corresponding first connection block by a bolt, and one end of the second mounting frame (8) extends inside the first mounting frame (1), and the rotating member is provided on the first mounting frame (1); 1. A TBM main drive lip seal lubrication auxiliary equipment comprising a conveying mechanism, the conveying mechanism including a filter frame (16), an injection pipe (24), and an extraction pipe (18), the filter frame (16) is fixedly connected to one side outer surface of a first mounting frame (1), one end of the injection pipe (24) passes through one side outer surface of the first mounting frame (1), one end of the extraction pipe (18) passes through one side outer surface of the first mounting frame (1), a filter plate (17) is fixedly connected to one side inner surface wall of the filter frame (16), a first shielding plate (19) is fixedly connected to one side outer surface of the filter plate (17), a collection frame (21) is slidably inserted into one side outer surface of the filter frame (16), and a second shielding plate (20) is fixedly connected to one side outer surface of the filter frame (16).

2. The TBM main drive lip seal lubrication auxiliary equipment according to claim 1, characterized in that the rotating members include an interlocking shaft (2) and a rotating ring (3), the interlocking shaft (2) is provided in plurality, the interlocking shafts (2) are all rotatably connected to one outer surface of the first mounting frame (1), one end of each interlocking shaft (2) extends into the first mounting frame (1), one end of each interlocking shaft (2) is fixedly connected to a coupling body (25), and the rotating ring (3) is rotatably connected to the first mounting frame (1).

3. The TBM main drive lip seal lubrication auxiliary equipment as described in claim 2, characterized in that a gasket (5) is fixedly connected to one side inner surface wall of the first mounting frame (1), and a plurality of reset frames (13) are fixedly connected at equal intervals to one side inner surface wall of the second mounting frame (8).

4. The TBM main drive lip seal lubrication auxiliary equipment as described in claim 3, characterized in that a reset spring (15) and abutment seat (14) are slidably fitted inside each reset frame (13), abutment rods are fixedly connected to one side outer surfaces of each of the abutment seats (14), and a pressing ring (6) is fixedly connected between one ends of the multiple abutment rods.

5. The TBM main drive lip seal lubrication auxiliary equipment as described in claim 4, characterized in that a current-limiting ring (7) is inserted into the inside of the pressing ring (6), one end of the current-limiting ring (7) extends into the inside of the gasket (5), and a plurality of connection ports are opened at equal intervals on the outer surface of the current-limiting ring (7).

6. The TBM main drive lip seal lubrication auxiliary equipment as described in claim 5, characterized in that a connecting disk (4) is fitted onto the outer surface of the rotating ring (3), and a locking ring (9) is screwed onto one side outer surface of the second mounting frame (8).

7. 7. The TBM main drive lip seal lubrication auxiliary equipment as claimed in claim 6, characterized in that a plurality of mounting brackets (10) are equally spaced through one side inner surface wall of the second mounting frame (8), a liquid guide pipe (11) is inserted inside each of the mounting brackets (10), and a cutting tool (12) is slidably inserted on one side outer surface of each of the mounting brackets (10).

8. The TBM main drive lip seal lubrication auxiliary equipment as claimed in claim 7, characterized in that one end of the injection pipe (24) is connected to an injection check valve, one end of the extraction pipe (18) is connected to an outer surface of the extraction pipe (18) is connected to a control valve, one end of the extraction pipe (18) extends into the inside of the filter frame (16), and the tip of the extraction pipe (18) slides through the inner bottom surface of the filter plate (17).

9. 9. The TBM main drive lip seal lubrication auxiliary equipment as claimed in claim 8, characterized in that: a booster pump (23) is fixedly connected to one side outer surface of the first mounting frame (1); a first connecting pipe (22) is connected to an input end of the booster pump (23), one end of the first connecting pipe (22) extends into the inside of the filter frame (16) and one end of the first connecting pipe (22) penetrates the top of the filter plate (17); a second connecting pipe is connected to an output end of the booster pump (23), and one end of the second connecting pipe is fixedly connected to the input end of the injection check valve.

10. 1. A method for using a TBM main drive lip seal lubrication auxiliary device, comprising: The TBM main drive lip seal lubrication auxiliary equipment according to any one of claims 1 to 9, S1: The ring gear of the existing TBM drive is covered on the outer surface of the connecting disk (4), and the connecting disk (4) and the cutter head of the existing TBM drive are firmly connected by bolts. The driving gear of the existing TBM drive is covered on the outer surface of the interlocking shaft (2). The interlocking shaft (2) is connected to the existing TBM drive motor equipment by the coupling body (25). The first mounting frame (1) and the second mounting frame (8) provide a stable hanging connection between the equipment and the inner wall structure of the existing TBM equipment. When the existing TBM drive motor equipment is started and controlled, the existing TBM drive motor equipment can drive and rotate the interlocking shaft (2) through the coupling body (25). The rotating interlocking shaft (2) can rotate the ring gear of the existing TBM drive through the driving gear of the existing TBM drive. The ring gear of the existing TBM drive is connected to the interlocking shaft (2). the gear can rotate the connecting disc (4), the rotating connecting disc (4) can rotate the cutter head of the existing TBM drive, and can be effectively connected to the existing injection equipment through the liquid guide tube (11); during the process of scraping off the residue on the surface of the driving gear of the existing TBM drive by the scraper (12) at one end of the mounting bracket (10), the liquid guide tube (11) can inject the lubricating liquid flowing at high speed into the meshing point between the driving gear of the existing TBM drive and the ring gear of the existing TBM drive, and prevent the meshing point from being affected by the intrusion of unexpected stone chips; and a step S1 of setting lubrication by injecting an appropriate amount of lubricating liquid into the sealed space formed between the first mounting frame (1), the second mounting frame (8) and the locking ring (9), so that the lubricating liquid can soak into the filter plate (17) and all the driving gears of the existing TBM drive; and a step S2 of performing protective control by starting and controlling the booster pump (23), so that the booster pump (23) can re-inject the lubricating liquid filtered through the filter plate (17) into the injection pipe (24) via the first connecting pipe (22) and the second connecting pipe, and further re-inject it between the current-limiting ring (7) and the ring gear of the existing TBM drive, so that the lubricating liquid on the outside of the ring gear of the existing TBM drive can be caused to flow under the positional restriction of the current-limiting ring (7) during the rotation of the ring gear of the existing TBM drive, thereby preventing the adhesion of stone chips to the outside of the ring gear of the existing TBM drive.

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