Shield tunneling machine grease system convenient to maintain

Abstract

The utility model provides a shield tunneling machine grease system convenient to maintain. The shield tunneling machine grease system convenient to maintain comprises a bottom plate; the grease barrel is installed at the position, close to one side, of the top of the bottom plate, grease supplementing equipment is installed at the top of the bottom plate, a grease supplementing pipe is installed at an outlet of the grease supplementing equipment, a shield tunneling machine oil tank is installed at the position, close to the other side, of the top of the bottom plate, and a cooling box is installed in the middle of the top of the bottom plate through a supporting frame; the top of the cooling box is provided with a monitoring device, and the bottom of the cooling box is provided with a semiconductor refrigeration plate. According to the shield tunneling machine grease system convenient to maintain, grease in the oil tank of the shield tunneling machine can be pumped out to be filtered and cooled when high temperature and impurities are generated during lubrication through the structure, so that the grease in the internal structure of the oil tank of the shield tunneling machine can be maintained at stable temperature and purity; and abrasion of the internal structure of the shield tunneling machine oil tank is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of shield machine oil supply, in particular to a grease system for shield machines that is convenient for maintenance. Background Art

[0002] A shield machine is a tunnel boring machine that uses the shield method. The construction method of the shield is that the boring machine constructs and lays the shield, which refers to the supporting segment, while boring. It is different from the open construction method. In a broad sense, shield machines can also be used in rock formations, but they are different from the open non-shield tunnel boring machines.

[0003] In the disclosed patent 202122111263.8, it includes a grease barrel and an oil tank, and is characterized in that: a grease replenishing pump is installed between the grease barrel and the oil tank... It can remove impurities in the grease, improve the quality of the grease, avoid damage to the shield machine due to impurities in the grease, and extend the service life of the shield machine.

[0004] However, in the actual use process of the above structure, there is a lack of a heat dissipation structure during the filtration of the grease pumped out from the shield machine oil tank. And the grease will generate high temperature during lubrication. If the temperature is not reduced in time, the lubrication effect of the lubricating oil will be reduced, and the wear of the internal structure of the shield machine will be increased.

[0005] Therefore, it is necessary to provide a grease system for shield machines that is convenient for maintenance to solve the above technical problems. Summary of the Utility Model

[0006] The utility model provides a grease system for shield machines that is convenient for maintenance, and solves the problem that only filtering the lubricating grease in the oil tank lacks a heat dissipation structure, and the lubricating grease is prone to reduce the lubrication effect due to high temperature during long-term operation, increasing the wear of the internal structure of the shield machine.

[0007] To solve the above technical problems, the grease system for shield machines that is convenient for maintenance provided by the utility model includes: a bottom plate;

[0008] A grease barrel, the grease barrel is installed at a position close to one side of the top of the bottom plate. A grease replenishing device is installed on the top of the bottom plate. A grease replenishing pipe is installed at the outlet of the grease replenishing device. A shield machine oil tank is installed at a position close to the other side of the top of the bottom plate. A cooling box is installed at the middle position of the top of the bottom plate through a support frame. A monitoring device is installed on the top of the cooling box. A semiconductor refrigeration plate is installed at the bottom of the cooling box;

[0009] Filter box, the filter box is fixedly connected to the top of the bottom plate near the back, one side of the filter box is equipped with a suction pipe, a plurality of filter plates are installed inside the filter box, the top of the filter box is provided with a lid, the other side of the filter box is equipped with a connecting pipe, a conveying component is installed at the top of the bottom plate near the back, and a cooling pipe is installed at the outlet of the conveying component;

[0010] The grease replenishing device includes a housing and a grease replenishing pump. The inlet of the grease replenishing pump is connected to the position at the bottom of the outer surface of the grease barrel through a pipeline, and the other end of the grease replenishing pipe is connected to the top of the shield machine oil tank. The monitoring device includes a temperature sensor and a liquid level sensor. The cooling surface of the semiconductor refrigeration plate is located at the bottom of the inner wall of the cooling box, which can cool the cooling liquid inside the cooling box. The cooling pipe is made of a heat conduction block material and is evenly laid inside the cooling box. The suction pipe is connected to the position at the bottom of one side of the shield machine oil tank, and the other side of the connecting pipe is connected to the inlet of the conveying component.

[0011] Preferably, an installation frame is installed on the front of the support frame, and a heat dissipation fan is installed at the middle position on the front of the installation frame;

[0012] An opening for installing the heat dissipation fan is provided at the middle position of the installation frame.

[0013] Preferably, a control box is installed at the top of the bottom plate near the front, and a box door is rotatably connected to the front of the control box;

[0014] A lock is provided on the box door, and a control switch and a controller for controlling the operation of the equipment are installed inside the control box.

[0015] Preferably, the conveying component includes a protective shell, ventilation holes are provided on the back of the protective shell, and a conveying pump is installed inside the protective shell.

[0016] Preferably, a filter disc is installed near the middle position inside the grease barrel, and an installation shell is installed on the top of the grease barrel;

[0017] The installation shell is also provided with breathable holes.

[0018] Preferably, a motor is installed inside the installation shell, a rotating shaft is installed at the output end of the motor, and two cleaning rods are installed at the bottom end of the rotating shaft through an installation ring;

[0019] The bottom end of the cleaning rod contacts the top of the filter disc, and the rotating shaft penetrates through the top of the grease barrel.

[0020] Compared with the related technology, the shield machine grease system provided by the present utility model that is convenient for maintenance has the following beneficial effects:

[0021] The present utility model provides a grease system for a shield machine that is convenient for maintenance. In order to filter and cool the high-temperature grease in the grease system of the shield machine, a cooling box capable of loading a cooling liquid is installed on the bottom plate through a support frame, and it is located between the grease barrel and the fuel tank to facilitate pipeline connection. A semiconductor refrigeration plate with a refrigerating surface at the bottom of the inner wall of the cooling box is installed at the bottom of the cooling box. With the cooperation of monitoring equipment, the semiconductor refrigeration plate can be automatically turned on and off. Then, only by connecting the fuel tank, the conveying component, and the filter box through the conveying component, the filter box, and the pipeline to form a grease circulation channel, and the cooling pipe in the pipeline is laid back and forth inside the cooling box, which can increase the contact area and thus accelerate the heat exchange efficiency. When the temperature of the cooling liquid inside the cooling box rises, the semiconductor refrigeration plate can be started to cool the cooling liquid. Through this structure, when the grease in the shield machine fuel tank generates high temperature and impurities during lubrication, it can be pumped out for filtration and cooling, which is beneficial to maintaining the grease in the internal structure of the shield machine fuel tank at a stable temperature and purity, and reducing the wear of the internal structure of the shield machine fuel tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 FIG. 6 is a schematic structural diagram of the first embodiment of the grease system for a shield machine that is convenient for maintenance provided by the present utility model;

[0023] Figure 2 FIG. 10 is a schematic structural diagram of the filter box provided by the present utility model;

[0024] Figure 3 FIG. 14 is a schematic structural diagram of the filter plate provided by the present utility model;

[0025] Figure 4 FIG. 18 is a schematic structural diagram of the transfer pump provided by the present utility model;

[0026] Figure 5 FIG. 22 is a schematic structural diagram of the second embodiment of the grease system for a shield machine that is convenient for maintenance provided by the present utility model;

[0027] Figure 6 FIG. 26 is a schematic structural diagram of the motor provided by the present utility model.

[0028] Reference numerals in the figures: 1, bottom plate; 2, mounting frame; 3, radiator fan; 4, support frame; 5, box door; 6, control box; 7, grease replenishing device; 8, grease replenishing pipe; 9, grease barrel; 10, monitoring equipment; 11, cooling box; 12, cooling pipe; 13, fuel tank; 14, semiconductor refrigeration plate; 15, lid; 16, conveying component, 161, protective shell, 162, ventilation hole, 163, transfer pump; 17, connecting pipe; 18, filter box; 19, suction pipe; 20, filter plate; 21, mounting shell; 22, rotating shaft; 23, cleaning rod; 24, filter disc; 25, mounting ring; 26, motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , wherein, Figure 1 is a schematic structural view of the first embodiment of the grease system of the shield machine provided by the present utility model for easy maintenance; Figure 2 is a schematic structural view of the filter box provided by the present utility model; Figure 3 is a schematic structural view of the filter plate provided by the present utility model; Figure 4 is a schematic structural view of the transfer pump provided by the present utility model. The grease system of the shield machine for easy maintenance includes: a bottom plate 1;

[0031] A grease barrel 9, the grease barrel 9 is installed at a position near one side of the top of the bottom plate 1. A grease replenishing device 7 is installed on the top of the bottom plate 1. A grease replenishing pipe 8 is installed at the outlet of the grease replenishing device 7. A shield machine oil tank 13 is installed at a position near the other side of the top of the bottom plate 1. A cooling box 11 is installed at the middle position of the top of the bottom plate 1 through a support frame 4. A monitoring device 10 is installed on the top of the cooling box 11. A semiconductor refrigeration plate 14 is installed at the bottom of the cooling box 11;

[0032] A filter box 18, the filter box 18 is fixedly connected to the top of the bottom plate 1 near the back. A suction pipe 19 is installed on one side of the filter box 18. A plurality of filter plates 20 are installed inside the filter box 18. A lid 15 is provided on the top of the filter box 18. A connecting pipe 17 is installed on the other side of the filter box 18. A transfer assembly 16 is installed on the top of the bottom plate 1 near the back. A cooling pipe 12 is installed at the outlet of the transfer assembly 16;

[0033] The grease replenishing device 7 includes a housing and a grease replenishing pump. The inlet of the grease replenishing pump is connected through a pipe to a position at the bottom of the outer surface of the grease barrel 9. The other end of the grease replenishing pipe 8 is connected to the top of the shield machine oil tank 13. The monitoring device 10 includes a temperature sensor and a liquid level sensor. The refrigerating surface of the semiconductor refrigeration plate 14 is located at the bottom of the inner wall of the cooling box 11 and can cool the cooling liquid inside the cooling box 11. The cooling pipe 12 is made of a heat conducting block material and is evenly laid inside the cooling box 11. The suction pipe 19 is connected to a position at the bottom of one side of the shield machine oil tank 13. The other side of the connecting pipe 17 is connected to the inlet of the transfer assembly 16. The filter plates 20 are for hierarchical filtration and the diameters of the filtration holes are different. The other end of the cooling pipe 12 is connected to the top of the shield machine oil tank 13 to re-enter the cooled and filtered grease into the shield machine oil tank 13.

[0034] The front of the support frame 4 is equipped with a mounting frame 2, and a cooling fan 3 is installed at the middle position on the front of the mounting frame 2;

[0035] A port for installing the cooling fan 3 is provided at the middle position of the mounting frame 2, and the cooling fan 3 is used to assist in dissipating heat from the heating surface of the semiconductor refrigeration plate.

[0036] A control box 6 is installed at the top of the bottom plate 1 near the front, and a box door 5 is rotatably connected to the front of the control box 6;

[0037] A lock is provided on the box door 5, and a control switch and a controller for controlling the operation of the equipment are installed inside the control box 6.

[0038] The conveying assembly 16 includes a protective shell 161, ventilation holes 162 are provided on the back of the protective shell 161, and a conveying pump 163 is installed inside the protective shell 161;

[0039] The inlet and outlet of the conveying pump 163 are respectively connected to the connecting pipe 17 and the cooling pipe 12.

[0040] The working principle of the shield grease system that is easy to maintain provided by the present utility model is as follows:

[0041] A cooling box 11 capable of loading a cooling liquid is installed on the bottom plate 1 through a support frame 4, and it is located between the grease barrel 9 and the fuel tank 13 to facilitate pipeline connection. A semiconductor refrigeration plate 14 with a refrigerating surface at the bottom inner wall of the cooling box 11 is installed at the bottom of the cooling box 11. With the monitoring device 10, the semiconductor refrigeration plate 14 can be automatically turned on and off. After that, only need to connect the fuel tank 13, the conveying assembly 16 and the filter box 18 through the conveying assembly 16, the filter box 18 and the pipeline to form a grease circulation channel. The cooling pipe 12 in the pipeline is laid back and forth inside the cooling box 11, which can increase the contact area and thus accelerate the heat exchange efficiency. During actual use, start the conveying assembly 16 to provide suction, draw out the lubricating and high-temperature grease inside the fuel tank 13, first filter it through the filter box 18, then enter the inside of the cooling pipe 12, and assist in dissipating heat from the high-temperature grease through heat exchange with the cooling liquid inside the cooling box 11. Then, it is re-injected into the shield machine fuel tank 13 through the other end of the cooling pipe 12 to lubricate the internal structure. At the same time, when the grease inside the shield machine fuel tank 13 decreases, the grease inside the grease barrel 9 can be injected into the shield machine fuel tank 13 through the grease replenishing device 7.

[0042] Compared with the related technology, the shield grease system that is easy to maintain provided by the present utility model has the following beneficial effects:

[0043] In order to filter and cool the high-temperature grease in the shield machine grease system, a cooling box 11 capable of loading cooling liquid is installed on the bottom plate 1 through a support frame 4, and it is located between the grease barrel 9 and the fuel tank 13 to facilitate pipeline connection. A semiconductor refrigeration plate 14 with a refrigerating surface at the bottom of the inner wall of the cooling box 11 is installed at the bottom of the cooling box 11. With the monitoring device 10, the semiconductor refrigeration plate 14 can be automatically turned on and off. After that, only the fuel tank 13, the conveying component 16 and the filtering box 18 need to be connected through the conveying component 16, the filtering box 18 and the pipeline to form a grease circulation channel. The cooling pipe 12 in the pipeline is laid back and forth inside the cooling box 11, which can increase the contact area and thus accelerate the heat exchange efficiency. Through this structure, when the grease in the shield machine fuel tank 13 generates high temperature and impurities during lubrication, it can be pumped out for filtering and cooling, which is beneficial to maintaining the grease in the internal structure of the shield machine fuel tank 13 at a stable temperature and purity, and reducing the wear of the internal structure of the shield machine fuel tank 13.

[0044] Second Embodiment

[0045] Please refer to Figures 5 - 6 , Figure 5 which is a schematic structural diagram of the second embodiment of the shield machine grease system that is easy to maintain provided by the present utility model; Figure 6 which is a schematic structural diagram of the motor provided by the present utility model. Based on the shield machine grease system that is easy to maintain provided by the first embodiment of the present application, the second embodiment of the present application proposes another shield machine grease system that is easy to maintain. The second embodiment is only a preferred way of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0046] Specifically, the difference of the shield machine grease system that is easy to maintain provided by the second embodiment of the present application is that a filter disc 24 is installed near the middle position inside the grease barrel 9, and a mounting shell 21 is installed on the top of the grease barrel 9;

[0047] The filter disc 24 is provided with filtering holes, and the mounting shell 21 is also provided with breathable holes.

[0048] A motor 26 is installed inside the mounting shell 21. The output end of the motor 26 is installed with a rotating shaft 22, and two cleaning rods 23 are installed at the bottom end of the rotating shaft 22 through a mounting ring 25;

[0049] The bottom end of the cleaning rod 23 contacts the top of the filter disc 24. The rotating shaft 22 penetrates through the top of the grease barrel 9, and the connection part is sealed but does not affect its rotation.

[0050] Compared with the related technology, the shield machine grease system that is easy to maintain provided by the present utility model has the following beneficial effects:

[0051] In order to prevent impurities in the grease in the grease barrel 9 from affecting the operation of the internal structure of the shield machine fuel tank 13, a filter disc 24 is installed inside the grease barrel 9. The grease stored in the grease barrel 9 can be filtered through the filter disc 24 to reduce the internal impurities. To avoid clogging of the filter disc 24, only a motor 26 with a rotating shaft 22 needs to be installed on the top of the grease barrel 9 through a mounting shell 21. At the bottom end of the rotating shaft 22, two cleaning rods 23 are installed through a mounting ring 25, and the bottom of the cleaning rods 23 is in contact with the top of the filter disc 24. During actual use, by driving the rotation of the rotating shaft 22 through the motor 26, the top of the filter disc 24 can be cleaned by the cleaning rods 23 to avoid clogging of the filter disc 24 and affecting the flow of grease.

[0052] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A shield machine grease system that is easy to maintain, characterized in that: include: Base plate; A grease barrel, the grease barrel is installed at a position near one side of the top of the bottom plate, a grease replenishing device is installed at the top of the bottom plate, a grease replenishing pipe is installed at the outlet of the grease replenishing device, a shield machine oil tank is installed at a position near the other side of the top of the bottom plate, a cooling box is installed at the middle position of the top of the bottom plate through a support frame, a monitoring device is installed at the top of the cooling box, and a semiconductor refrigeration plate is installed at the bottom of the cooling box; A filter box, the filter box is fixedly connected to the top of the base plate near the back, a suction pipe is installed on one side of the filter box, a plurality of filter plates are installed inside the filter box, a cover is provided on the top of the filter box, a connecting pipe is installed on the other side of the filter box, a conveying assembly is installed on the top of the base plate near the back, and a cooling pipe is installed at the outlet of the conveying assembly.

2. The shield machine grease system that is easy to maintain according to claim 1 is characterized in that: A mounting frame is installed on the front of the support frame, and a cooling fan is installed at the middle position of the front of the mounting frame.

3. The shield machine grease system that is easy to maintain according to claim 1 is characterized in that: A control box is installed at a position near the front of the top of the bottom plate, and a box door is rotatably connected to the front of the control box.

4. The shield machine grease system for easy maintenance according to claim 1 is characterized in that: The conveying component comprises a protective shell, a vent hole is provided on the back of the protective shell, and a conveying pump is installed inside the protective shell.

5. The shield machine grease system that is easy to maintain according to claim 1 is characterized in that: A filter disc is installed near the middle position of the grease barrel, and a mounting shell is installed on the top of the grease barrel.

6. The shield machine grease system for easy maintenance according to claim 5 is characterized in that: A motor is installed inside the installation shell, a rotating shaft is installed at the output end of the motor, and two cleaning rods are installed at the bottom end of the rotating shaft through a mounting ring.

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