A shield machine hydraulic station hydraulic oil filtering and circulating device

Abstract

The utility model discloses a kind of shield machine hydraulic station hydraulic oil filtering circulating devices, it is related to hydraulic oil filtering technical field, including shell and upper cover, the upper cover is set to the upside of shell, the lower surface one side of the upper cover is fixedly provided with internal thread ring, the lower side of the internal thread ring is threadedly sleeved with filter barrel, the lower surface of the upper cover and the position of filter barrel corresponding fixedly provided with first clamping plate, the inside lower side of the filter barrel is slidably provided with second clamping plate, the middle part of the first clamping plate movably sleeved with vertical rod, the lower end of the vertical rod is fixedly connected with second clamping plate, the upside of the first clamping plate extends to the outside of upper cover, the upper surface of the upper cover is provided with transmission mechanism that drives vertical rod longitudinal movement, the upper end one side of the filter barrel is provided with oil inlet pipe, the inside of the oil inlet pipe is inserted with spigot pipe. The utility model can squeeze the impurity filtered out, can improve the recovery rate to hydraulic oil, reduce the waste of hydraulic oil.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic oil filtration technology, specifically to a hydraulic oil filtration and circulation device for a tunnel boring machine hydraulic station. Background Technology

[0002] A tunnel boring machine (TBM) is a large mechanical device used for underground tunnel construction. During operation, hydraulic oil plays a crucial role in the hydraulic station. As the TBM operates for a long time, various impurities, such as metal shavings and dust particles, will mix into the hydraulic oil. These impurities will affect the normal operation of the hydraulic system and reduce the service life of hydraulic components. Therefore, it is necessary to filter and circulate the hydraulic oil.

[0003] Most existing hydraulic oil filtration and circulation devices in tunnel boring machine hydraulic stations simply filter the hydraulic oil and directly discharge the mixture containing impurities. However, these mixtures still contain a large amount of hydraulic oil that has not been fully separated. Direct discharge will result in a large waste of hydraulic oil, increase the operating cost of the tunnel boring machine, and also fail to meet the requirements of energy conservation and environmental protection. Utility Model Content

[0004] In view of the problems existing in the hydraulic oil filtration and circulation devices of the hydraulic station of the tunnel boring machine, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a hydraulic oil filtration and circulation device for a tunnel boring machine hydraulic station, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A hydraulic oil filtration and circulation device for a tunnel boring machine hydraulic station includes a housing and a top cover. The top cover is disposed on the upper side of the housing. An internally threaded ring is fixedly disposed on one side of the lower surface of the top cover. A filter barrel is threadedly sleeved on the lower side of the internally threaded ring. A first clamping plate is fixedly disposed on the lower surface of the top cover at a position corresponding to the filter barrel. A second clamping plate is slidably disposed on the lower side of the interior of the filter barrel. A vertical rod is movably sleeved on the middle of the first clamping plate. The lower end of the vertical rod is fixedly connected to the second clamping plate. The upper side of the first clamping plate extends to... On the outer side of the top cover, the upper surface of the top cover is provided with a transmission mechanism that drives the vertical rod to move longitudinally. An oil inlet pipe is provided on one side of the upper end of the filter barrel, and an insert pipe is inserted into the inside of the oil inlet pipe. A fixing pipe is fixedly sleeved on one side of the top cover, and the lower end of the fixing pipe is connected to the insert pipe through a connecting pipe. A sliding sleeve is fixedly installed on one side of the inner wall of the housing through a connecting rod. A crossbar is slidably sleeved inside the sliding sleeve, and one end of the crossbar is fixedly connected to the insert pipe. A pushing mechanism that drives the crossbar to move is provided on the lower surface of the top cover.

[0007] Preferably, the transmission mechanism includes a U-shaped plate and push rods. Two side plates are fixedly installed on one side of the upper surface of the cover, and a lead screw is rotatably installed between the two side plates. The U-shaped plate is threaded onto the wall of the lead screw. A first rotating rod is rotatably installed on the inner side of the U-shaped plate. Two push rods are fixedly installed on both ends of the first rotating rod. A second rotating rod is rotatably installed inside the upper end of the vertical rod. The two ends of the second rotating rod are respectively rotatably connected to the ends of the corresponding push rods away from the first rotating rod. A motor is fixedly installed on the outer wall of one side plate, and the output end of the motor is fixedly connected to one end of the lead screw.

[0008] Preferably, the pushing mechanism includes a stop rod, the middle end of the crossbar has a sloping groove, the stop rod is disposed on the upper side of the sloping groove, the lower end of the stop rod has a sloping surface, the sloping surface of the stop rod abuts against the sloping groove of the crossbar, and the upper end of the stop rod is fixedly connected to the inner wall of the upper cover.

[0009] Preferably, a reset rod is movably sleeved inside the lower side of the sliding sleeve, a baffle is fixedly provided on the side of the reset rod away from the insertion tube, a spring is fixedly connected between the baffle and the sliding sleeve, and one end of the crossbar is fixedly connected to the baffle.

[0010] Preferably, a limiting rod is provided parallel to one side of the lead screw, and the two ends of the limiting rod are respectively fixedly connected to the corresponding side plates. One side of the U-shaped plate is movably sleeved with the limiting rod.

[0011] Preferably, an oil outlet pipe with a valve is provided on one side of the lower end of the housing.

[0012] Preferably, the top cover and the housing are connected by multiple bolts threaded together.

[0013] Preferably, the connecting pipe is a flexible hose.

[0014] The technical effects and advantages provided by this utility model in the above technical solution are as follows: 1. In this utility model, hydraulic oil enters the connecting pipe through the fixed pipe, and then flows into the filter barrel through the insertion pipe. After being filtered by the filter barrel, it is discharged into the interior of the housing. The impurities filtered out are located above the second clamping plate and then discharged from the oil outlet pipe, thus realizing the filtration and circulation of hydraulic oil.

[0015] 2. In this utility model, the motor drives the lead screw to rotate, causing the U-shaped plate to move, which in turn drives the push rod to rotate towards verticality. During this process, the push rod pushes the vertical rod downward, causing the second clamping plate to approach the first clamping plate, which can press the impurities filtered out, thereby improving the recovery rate of hydraulic oil.

[0016] 3. In this utility model, by unscrewing multiple bolts and opening the top cover, the inclined surface of the abutment rod separates from the inclined groove of the crossbar. The spring force drives the crossbar to return to its original position, thus allowing the insertion tube to leave the oil inlet pipe. At this time, the filter barrel can be rotated to separate the filter barrel from the internal threaded ring, making it convenient to pour out the impurities in the filter barrel. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 This is a schematic diagram of the structure of a hydraulic oil filtration and circulation device for a tunnel boring machine hydraulic station proposed in this utility model; Figure 2 for Figure 1 Internal structure diagram; Figure 3 for Figure 1 A magnified schematic diagram of part A in the middle section.

[0019] Explanation of reference numerals in the attached figures: 1. Housing; 2. Top cover; 3. Oil outlet pipe; 4. Fixing pipe; 5. Bolt; 6. Internal threaded ring; 7. Filter barrel; 8. First clamping plate; 9. Vertical rod; 10. Second clamping plate; 11. Oil inlet pipe; 12. Connecting rod; 13. Horizontal rod; 14. Insert pipe; 15. Connecting pipe; 16. Sliding sleeve; 17. Baffle; 18. Reset rod; 19. Spring; 20. Abutment rod; 21. Side plate; 22. Lead screw; 23. U-shaped plate; 24. First rotating rod; 25. Push rod; 26. Limiting rod; 27. Motor; 28. Second rotating rod. Detailed Implementation

[0020] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0021] This utility model discloses a hydraulic oil filtration and circulation device for a tunnel boring machine hydraulic station.

[0022] Reference Figure 1-3A hydraulic oil filtration and circulation device for a tunnel boring machine hydraulic station includes a housing 1 and an upper cover 2. The upper cover 2 is located on the upper side of the housing 1, and the upper cover 2 and the housing 1 are connected by multiple bolts 5 for easy opening. An oil outlet pipe 3 with a valve is provided on one side of the lower end of the housing 1 for easy control of oil output. An internal threaded ring 6 is fixedly provided on one side of the lower surface of the upper cover 2, and a filter barrel 7 is threadedly sleeved on the lower side of the internal threaded ring 6. A first clamping plate 8 is fixedly provided on the lower surface of the upper cover 2 at a position corresponding to the filter barrel 7. A second clamping plate 10 is slidably provided on the lower side of the inside of the filter barrel 7. A vertical rod 9 is movably sleeved on the middle of the first clamping plate 8, and the lower end of the vertical rod 9 is connected to the second clamping plate 10. The upper side of the first clamping plate 8 extends to the outer side of the upper cover 2. The upper surface of the upper cover 2 is provided with a transmission mechanism that drives the vertical rod 9 to move longitudinally. The upper side of the filter barrel 7 is provided with an oil inlet pipe 11. An insert pipe 14 is inserted into the oil inlet pipe 11. A fixed pipe 4 is fixedly sleeved on one side of the upper cover 2. The lower end of the fixed pipe 4 is connected to the insert pipe 14 through a connecting pipe 15. The connecting pipe 15 is a flexible hose for easy movement. A sliding sleeve 16 is fixedly installed on one side of the inner wall of the housing 1 through a connecting rod 12. A cross rod 13 is slidably sleeved inside the sliding sleeve 16. One end of the cross rod 13 is fixedly connected to the insert pipe 14. The lower surface of the upper cover 2 is provided with a pushing mechanism that drives the cross rod 13 to move.

[0023] Reference Figure 1-3 The transmission mechanism includes a U-shaped plate 23 and push rods 25. Two side plates 21 are fixedly installed on one side of the upper surface of the upper cover 2. A lead screw 22 is rotatably installed between the two side plates 21. The U-shaped plate 23 is threaded onto the wall of the lead screw 22. A first rotating rod 24 is rotatably installed on the inner side of the U-shaped plate 23. Two push rods 25 are fixedly installed on both ends of the first rotating rod 24. A second rotating rod 28 is rotatably installed inside the upper end of the vertical rod 9. The two ends of the second rotating rod 28 are rotatably connected to the ends of the corresponding push rods 25 away from the first rotating rod 24. A motor 27 is fixedly installed on the outer wall of one side plate 21. The output end of the motor 27 is fixedly connected to one end of the lead screw 22. A limit rod 26 is parallel to one side of the lead screw 22. The two ends of the limit rod 26 are fixedly connected to the corresponding side plates 21. One side of the U-shaped plate 23 is movably sleeved with the limit rod 26, so that the U-shaped plate 23 can slide stably.

[0024] Reference Figure 1-3 The pushing mechanism includes a stop rod 20. A sloping groove is provided at the middle end of the crossbar 13. The stop rod 20 is located on the upper side of the sloping groove. A sloping surface is provided at the lower end of the stop rod 20. The sloping surface of the stop rod 20 abuts against the sloping groove of the crossbar 13. The upper end of the stop rod 20 is fixedly connected to the inner wall of the upper cover 2.

[0025] Reference Figure 1-3A reset rod 18 is movably sleeved inside the lower side of the sliding sleeve 16. A baffle 17 is fixedly installed on the side of the reset rod 18 away from the insertion tube 14. A spring 19 is fixedly connected between the baffle 17 and the sliding sleeve 16. One end of the crossbar 13 is fixedly connected to the baffle 17, so that the crossbar 13 can drive the insertion tube 14 to reset.

[0026] In this utility model, during use, the upper cover 2 and the housing 1 are first locked and fixed by bolts 5. At this time, the abutment rod 20 on the inner wall of the upper cover abuts against the inclined groove of the crossbar 13 through the inclined surface, pushing the crossbar 13 to slide along the sliding sleeve 16 towards the filter barrel 7. The crossbar 13 drives the insertion tube 14 to be inserted into the oil inlet pipe 11. At the same time, the spring 19 is compressed by the baffle 17, and the connecting pipe 15 unfolds accordingly, completing the device assembly. When the filtration cycle is started, the hydraulic oil of the shield machine hydraulic station flows into the connecting pipe 15 made of hose through the fixed pipe 4, and enters the filter barrel 7 through the insertion tube 14 and the oil inlet pipe 11. After the hydraulic oil completes the impurity filtration in the filter barrel 7, the clear hydraulic oil permeates to the bottom of the housing 1. The valve of the oil outlet pipe 3 can be opened to discharge the filtered hydraulic oil, realizing recycling. The impurities produced by filtration are retained above the second clamping plate 10 in the filter barrel 7. When it is necessary to squeeze the impurities and recover the residual hydraulic oil, the motor 27 is started. The motor 27 drives the lead screw 22 to rotate, and the U-shaped plate 23 is restricted by the limit rod 26. The U-shaped plate 23 moves horizontally along the lead screw 22, causing the first rotating rod 24 to move. This causes the push rods 25 on both sides to rotate around the first rotating rod 24 and tend to be vertical. The push rods 25 push the vertical rod 9 downward through the second rotating rod 28. The vertical rod 9 causes the second clamping plate 10 to move closer to the first clamping plate 8, squeezing out the impurities and pressing out the residual hydraulic oil in the impurities. The pressed-out hydraulic oil also permeates to the bottom of the housing 1 and is recovered through the oil outlet pipe 3, improving the hydraulic oil recovery rate. When it is necessary to clean the impurities, multiple bolts 5 are unscrewed. Open the top cover 2 upwards. The top cover 2 drives the abutment rod 20 to disengage from the inclined groove of the crossbar 13. The elastic force of the spring 19 pushes the baffle 17 to reset. The baffle 17 drives the crossbar 13 and the reset rod 18 to slide in the opposite direction along the sliding sleeve 16. The crossbar 13 pulls the insertion tube 14 out of the oil inlet pipe 11. Then rotate the filter barrel 7 to disengage the filter barrel 7 from the internal threaded ring 6. The impurities in the filter barrel 7 can then be poured out. After cleaning, reconnect the filter barrel 7 to the internal threaded ring 6. Close the top cover 2 to continue using.

[0027] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A hydraulic oil filtration and circulation device for a tunnel boring machine hydraulic station, comprising a housing (1) and a top cover (2), characterized in that, The upper cover (2) is disposed on the upper side of the housing (1). An internal threaded ring (6) is fixedly disposed on one side of the lower surface of the upper cover (2). A filter barrel (7) is threadedly sleeved on the lower side of the internal threaded ring (6). A first clamping plate (8) is fixedly disposed on the lower surface of the upper cover (2) at a position corresponding to the filter barrel (7). A second clamping plate (10) is slidably disposed on the lower side inside the filter barrel (7). A vertical rod (9) is movably sleeved on the middle of the first clamping plate (8). The lower end of the vertical rod (9) is fixedly connected to the second clamping plate (10). The upper side of the first clamping plate (8) extends to the outside of the upper cover (2). A drive vertical rod is disposed on the upper surface of the upper cover (2). The transmission mechanism for the longitudinal movement of the rod (9) is provided with an oil inlet pipe (11) on one side of the upper end of the filter barrel (7), and an insert pipe (14) is inserted inside the oil inlet pipe (11). A fixed pipe (4) is fixedly sleeved on one side of the upper cover (2). The lower end of the fixed pipe (4) is connected to the insert pipe (14) through a connecting pipe (15). A sliding sleeve (16) is fixedly installed on one side of the inner wall of the housing (1) through a connecting rod (12). A crossbar (13) is slidably sleeved inside the sliding sleeve (16). One end of the crossbar (13) is fixedly connected to the insert pipe (14). A pushing mechanism for moving the crossbar (13) is provided on the lower surface of the upper cover (2).

2. The hydraulic oil filtration and circulation device for the shield machine hydraulic station according to claim 1, characterized in that, The transmission mechanism includes a U-shaped plate (23) and a push rod (25). Two side plates (21) are fixedly installed on one side of the upper surface of the cover (2). A lead screw (22) is rotatably installed between the two side plates (21). The U-shaped plate (23) is threaded onto the wall of the lead screw (22). A first rotating rod (24) is rotatably installed on the inner side of the U-shaped plate (23). Two push rods (25) are fixedly installed on both ends of the first rotating rod (24). A second rotating rod (28) is rotatably installed inside the upper end of the vertical rod (9). The two ends of the second rotating rod (28) are rotatably connected to the end of the corresponding push rod (25) away from the first rotating rod (24). A motor (27) is fixedly installed on the outer wall of one side plate (21). The output end of the motor (27) is fixedly connected to one end of the lead screw (22).

3. The hydraulic oil filtration and circulation device for the shield machine hydraulic station according to claim 1, characterized in that, The pushing mechanism includes a push rod (20), the middle end of the cross bar (13) is provided with a sloping groove, the push rod (20) is provided on the upper side of the sloping groove, the lower end of the push rod (20) is provided with a sloping surface, the sloping surface of the push rod (20) abuts against the sloping groove of the cross bar (13), and the upper end of the push rod (20) is fixedly connected to the inner wall of the upper cover (2).

4. The hydraulic oil filtration and circulation device for the shield machine hydraulic station according to claim 3, characterized in that, A reset rod (18) is movably sleeved inside the lower side of the sliding sleeve (16). A baffle (17) is fixedly provided on the side of the reset rod (18) away from the insertion tube (14). A spring (19) is fixedly connected between the baffle (17) and the sliding sleeve (16). One end of the crossbar (13) is fixedly connected to the baffle (17).

5. The hydraulic oil filtration and circulation device for the shield machine hydraulic station according to claim 2, characterized in that, A limiting rod (26) is provided parallel to one side of the lead screw (22). The two ends of the limiting rod (26) are fixedly connected to the corresponding side plate (21) respectively. One side of the U-shaped plate (23) is movably sleeved with the limiting rod (26).

6. The hydraulic oil filtration and circulation device for the shield machine hydraulic station according to claim 1, characterized in that, An oil outlet pipe (3) with a valve is provided on one side of the lower end of the housing (1).

7. The hydraulic oil filtration and circulation device for the shield machine hydraulic station according to claim 1, characterized in that, The top cover (2) and the housing (1) are connected by multiple bolts (5) threaded fastening.

8. The hydraulic oil filtration and circulation device for the shield machine hydraulic station according to claim 1, characterized in that, The connecting pipe (15) is a flexible hose.

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