A shield machine cutter wear detection device

Abstract

The utility model discloses a shield machine cutter wear detection device, aims at providing a shield machine cutter wear detection device of quick detection propeller wear state through data comparison. It includes: mounting seat, elevating support, elevating support installs on mounting seat, and elevating support is connected with mounting seat slidingly, rotating component, rotating component installs on elevating support, clamping component, both sides of rotating component all are equipped with clamping component, and the hobbing cutter disc is installed on clamping component, and the fit component is installed on mounting seat and is corresponding with the hobbing cutter disc, and the control panel is installed on mounting seat, and the control panel is electrically connected with the fit component. The utility model has the beneficial effects that: through data comparison quick detection propeller wear state, can realize the elevating support's elevating, can realize synchronous rotation, can fix the hobbing cutter disc, can guarantee that synchronous belt can rotate stably, can limit the elevating of elevating support, can detect the different hobbing cutter disc fast.

Description

Technical Field

[0001] This utility model relates to the technical field of tunnel boring machine cutters, and in particular to a tunnel boring machine cutter wear detection device. Background Technology

[0002] Tunnel boring machines (TBMs) are primarily used in urban tunnel construction. They are safe, efficient, and highly automated. However, TBMs inevitably encounter the problem of cutter wear during operation. The wear patterns of TBM cutters are difficult to predict, and the tracking and detection capabilities for these cutters are insufficient. During TBM construction, random checks of the cutters are necessary to ensure they meet construction requirements. Current random checks typically combine mechanical calipers and 3D scanning. However, this method requires further analysis of the measured values, making the results less intuitive.

[0003] Chinese Patent Announcement No. CN215768094U, Announcement Date: February 8, 2022, discloses a shield tunneling machine cutter wear testing machine, comprising a base plate. The base plate is rectangular, with several supporting feet fixedly mounted on its underside. Two cutter fixing mechanisms are symmetrically arranged on the upper side of the base plate. A movement control mechanism, matching the two cutter fixing mechanisms, is also symmetrically arranged on the upper side of the base plate. A disc-shaped cutter is positioned between the two cutter fixing mechanisms. A stop plate is fixedly mounted on the upper side of the base plate, corresponding to the position of the disc-shaped cutter. A movable arm, bent in shape, is mounted on one side of the base plate. A sliding support seat is mounted on the lower side of the movable arm, with a power component matching the movable arm on the sliding support seat. A pressure detection mechanism, corresponding to the position of the disc-shaped cutter, is mounted on the lower side of one end of the movable arm. The movable arm is connected to the two movement control mechanisms via connecting rods. The drawback of this invention is that the testing machine can only obtain results by analyzing the values ​​detected by the pressure detection mechanism, which is rather inconvenient. Utility Model Content

[0004] This invention aims to overcome the shortcomings of existing technologies in the convenient inspection of randomly selected cutting tools, and provides a shield machine cutting tool wear detection device that can quickly detect the wear status of tools through data comparison.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A shield tunneling machine cutter wear detection device, comprising: Mounting base; A lifting frame, wherein the lifting frame is mounted on a mounting base and the lifting frame is slidably connected to the mounting base; A rotating assembly, which is mounted on a lifting frame; The clamping assembly, the rotating assembly, has clamping assemblies installed on both sides, and the clamping assemblies are equipped with roller discs; A bonding assembly is mounted on a mounting base and corresponds to a roller disc. A control panel is mounted on the mounting base and is electrically connected to the bonding assembly.

[0006] The mounting base is used to install the entire device for prop testing. A lifting frame is installed on the mounting base, which drives the rotating component to rise and fall, causing the clamping components mounted on the rotating component to fall. Clamping components are installed on both sides of the rotating component. The complete roller cutter prop is installed on one side of the clamping component, and the roller cutter to be tested is installed on the other side of the clamping component. The roller cutters on both sides are clamped and fixed. Then, the lifting frame drives the roller cutter to fall and fit against the bonding component. The pressure received by the bonding component is detected. Then, the rotating component drives the roller cutter to rotate, and the roller cutter is tested around one circumference. Because the wear degree of the roller cutter is different, the pressure applied to the bonding component is also different. Therefore, the pressure applied by the roller cutter on the two sides of the bonding component is different. The pressure value received by the bonding component is transmitted to the control panel to observe the wear condition, achieving the purpose of quickly detecting the wear condition of the prop through data comparison.

[0007] Preferably, the mounting base includes a base plate and a column. The column has an L-shaped cross-section, and a pneumatic cylinder is mounted on its upper end. The pneumatic end of the pneumatic cylinder is connected to the lifting frame. The lifting frame has a U-shaped cross-section and includes a top plate and two side plates, each mounted on one side of the top plate. A partition plate is mounted on the top plate. The base plate of the mounting base provides support, and the column mounted on the base plate elevates the lifting frame. The lifting frame is connected to the upper end of the column via the pneumatic cylinder, and then the rotating assembly is installed via the lifting frame. The U-shaped cross-section of the lifting frame facilitates better installation of the rotating assembly. The partition plate on the lifting frame divides it into two parts. This design allows for the raising and lowering of the lifting frame.

[0008] Preferably, the rotating assembly includes a rotating shaft, a synchronous shaft, and a motor. Two rotating shafts are provided, each rotatably connected to one of the side plates. The synchronous shaft is rotatably connected to a partition plate and corresponds to the rotating shafts on both sides. A gear is mounted on each rotating shaft. The motor is mounted on the top plate, and a gear is mounted on the motor shaft of the motor. Gears one and two mesh. The rotating assembly has two rotating shafts, each mounted on one of the side plates. Gear one is mounted on one rotating shaft. When motor one rotates, the meshing of gear one and gear two drives the rotating shaft on that side to rotate. A synchronous shaft is mounted on the partition plate and rotatably connected to it. The synchronous shaft and the rotating shafts are connected by a clamping assembly. The synchronous shaft ensures that the rotating shafts on both sides rotate synchronously. This design achieves synchronous rotation.

[0009] Preferably, clamping assemblies are installed at both ends of the synchronous shaft. Each clamping assembly includes a pressing block and a second pneumatic cylinder. A limiting block is installed at one end of the rotating shaft, and the limiting block has an insertion hole. The second pneumatic cylinder is installed on the end face of the synchronous shaft, and its pneumatic end is connected to the pressing block. The pressing block has an insertion hole. One end of the cutter disc is placed in the first insertion hole, and the other end is placed in the second insertion hole. With the clamping assemblies installed at both ends of the synchronous shaft, when fixing the cutter disc, one end of the cutter disc is inserted into the first insertion hole of the limiting block, and the other end is inserted into the second insertion hole of the pressing block. Then, the second pneumatic cylinder on the synchronous shaft pushes the pressing block forward, and the pressing block and the limiting block together compress and fix the cutter disc. This design effectively secures the cutter disc.

[0010] Preferably, the extrusion block is equipped with a limiting rod, and the synchronous shaft is equipped with a limiting tube. One end of the limiting rod is connected to the extrusion block, and the other end is placed inside the limiting tube. During the rotation of the roller disc for testing, to ensure that the torque generated during transmission is smoothly transmitted to the synchronous shaft without damaging the pneumatic cylinder, a limiting rod is installed on the extrusion block. One end of the limiting rod is inserted into the limiting tube on the synchronous shaft to limit the position of the extrusion block. This allows the torque received by the extrusion block to be directly transmitted to the synchronous shaft, and then from the synchronous shaft to the rotating shaft on the other side. This design ensures stable rotation of the synchronous belt.

[0011] Preferably, guide plates are provided on both sides of the side plate, with the lower end of the guide plate connected to the base plate. A sliding groove is provided on the side of the guide plate facing the side plate, and sliding blocks are installed on both sides of the side plate. The side plate is slidably connected to the guide plates on both sides through the cooperation of the sliding blocks and the sliding groove. When the roller disc rotates for detection, the lifting frame is subjected to force. If this force were applied directly to the first pneumatic cylinder, it could easily damage it. Therefore, guide plates are installed on the base plate, with two guide plates respectively placed on both sides of the lifting frame and fitting against it. The lifting frame is guided by the sliding groove on the guide plate and the sliding block on the lifting frame, ensuring that the torque on the lifting frame can be transmitted to the guide plates, reducing damage to the second pneumatic cylinder. This design can limit the lifting frame's movement.

[0012] Preferably, the bonding assembly includes a pressure sensor and a bonding plate. The pressure sensor is mounted on the base plate, and the bonding plate is mounted on top of the pressure sensor. The bonding plate matches the roller cutter disc, and the pressure sensor is electrically connected to the control panel. The pressure sensor of the bonding assembly is mounted on the base plate, and then the bonding plate mounted on the sensing end of the pressure sensor is bonded to the roller cutter disc, thus achieving better contact. The pressure sensor detects the pressure on the roller cutter disc, converts it into an electrical signal, and transmits it to the control panel for comparison with the value of a healthy roller cutter disc. This observation method allows for testing with roller cutters of different sizes; simply replace the other side with a healthy, identical roller cutter disc. This design enables rapid testing of different roller cutters.

[0013] The beneficial effects of this utility model are: it can quickly detect the wear condition of props by comparing data, realize the lifting of the lifting frame, realize synchronous rotation, fix the roller cutter disc, ensure that the synchronous belt can rotate stably, limit the lifting of the lifting frame, and quickly detect different roller cutter discs. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 yes Figure 1 Schematic diagram of the middle mounting base; Figure 3 yes Figure 1 Schematic diagram of the middle lifting frame; Figure 4 yes Figure 1 Schematic diagram of the rotating assembly; Figure 5 yes Figure 1 A schematic diagram of the structure of the bonding component.

[0015] In the diagram: 1. Mounting base; 11. Base plate; 12. Column; 13. Guide plate; 14. Sliding groove; 2. Lifting frame; 21. Pneumatic cylinder one; 22. Top plate; 23. Side plate; 24. Partition plate; 25. Sliding block; 3. Rotating assembly; 31. Rotating shaft; 32. Synchronous shaft; 33. Motor one; 34. Gear one; 35. Gear two; 36. Limiting block; 37. Insertion hole one; 38. Limiting tube; 4. Clamping assembly; 41. Extrusion block; 42. Pneumatic cylinder two; 43. Insertion hole two; 44. Limiting rod; 5. Roller cutter disc; 6. Bonding assembly; 61. Pressure sensor; 62. Bonding plate; 7. Control panel. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0017] like Figure 1 In the illustrated embodiment, a shield tunneling machine cutter wear detection device includes: Mounting base 1; Lifting frame 2 is mounted on mounting base 1 and is slidably connected to mounting base 1. Rotating component 3 is mounted on lifting frame 2; Clamping assembly 4, rotating assembly 3, clamping assembly 4 is installed on both sides, and a hobbing disc 5 is installed on the clamping assembly 4; The bonding component 6 is bonded and installed on the mounting base 1 and corresponds to the roller disc 5. The mounting base 1 is equipped with a control panel 7, which is electrically connected to the bonding component 6.

[0018] like Figure 2 , Figure 3 As shown, the mounting base 1 includes a base plate 11 and a column 12. The column 12 has an L-shaped cross-section. A pneumatic cylinder 21 is installed at the upper end of the column 12. The pneumatic end of the pneumatic cylinder 21 is connected to the lifting frame 2. The lifting frame 2 has a U-shaped cross-section. The lifting frame 2 includes a top plate 22 and side plates 23. There are two side plates 23, which are respectively installed on both sides of the top plate 22. A partition plate 24 is installed on the top plate 22.

[0019] like Figure 4 As shown, the rotating assembly 3 includes a rotating shaft 31, a synchronous shaft 32, and a motor 33. There are two rotating shafts 31, which are rotatably connected to the side plates 23 on both sides respectively. The synchronous shaft 32 is rotatably connected to the partition plate 24 and corresponds to the rotating shafts 31 on both sides. A gear 34 is installed on the rotating shaft 31. The motor 33 is installed on the top plate 22. A gear 35 is installed on the motor shaft of the motor 33. The gear 34 meshes with the gear 35.

[0020] Clamping assemblies 4 are installed at both ends of the synchronous shaft 32. The clamping assembly 4 includes a pressing block 41 and a pneumatic cylinder 42. A limit block 36 is installed at one end of the rotating shaft 31. The limit block 36 is provided with a first insertion hole 37. The second pneumatic cylinder 42 is installed on the end face of the synchronous shaft 32. The pneumatic end of the second pneumatic cylinder 42 is connected to the pressing block 41. The pressing block 41 is provided with a second insertion hole 43. One end of the roller cutter disc 5 is placed in the first insertion hole 37, and the other end of the roller cutter disc 5 is placed in the second insertion hole 43.

[0021] The extrusion block 41 is provided with a limiting rod 44, and the synchronous shaft 32 is equipped with a limiting tube 38. One end of the limiting rod 44 is connected to the extrusion block 41, and the other end of the limiting rod 44 is placed inside the limiting tube 38.

[0022] Guide plates 13 are provided on both sides of the side plate 23. The lower end of the guide plate 13 is connected to the bottom plate 11. A sliding groove 14 is provided on the side of the guide plate 13 facing the side plate 23. Sliding blocks 25 are installed on both sides of the side plate 23. The side plate 23 is slidably connected to the guide plates 13 on both sides through the cooperation of the sliding blocks 25 and the sliding groove 14.

[0023] like Figure 5 As shown, the bonding assembly 6 includes a pressure sensor 61 and a bonding plate 62. The pressure sensor 61 is mounted on the base plate 11, and the bonding plate 62 is mounted on the upper end of the pressure sensor 61. The bonding plate 62 is matched with the roller disc 5, and the pressure sensor 61 is electrically connected to the control panel 7.

[0024] When it is necessary to check the wear condition of the roller cutter disc 5, the complete roller cutter disc 5 should first be installed on one side of the lifting frame 2, and the two sides of the roller cutter disc 5 should be placed in the insertion hole 37 and the insertion hole 43 respectively. Then, the extrusion block 41 is moved by the pneumatic cylinder 42 to extrude and fix the roller cutter disc 5, thus completing the fixation of the complete roller cutter disc 5.

[0025] Then, the roller cutter disc 5 to be tested is installed on the other side of the lifting frame 2. The roller cutter disc 5 is clamped by the clamping assembly 4. Then, the pneumatic cylinder 21 extends and pushes the lifting frame 2 down along the guide plate 13, placing it at the lower end of the roller cutter disc 5 to press the bonding plate of the bonding assembly 6. Then, the motor 33 is activated, and the rotating shaft 31 is driven to rotate through the meshing of gear 34 and gear 35. Then, the synchronous shaft 32 is driven to rotate together through the roller cutter disc 5 and the clamping assembly 4, realizing the synchronous rotation of the roller cutter discs 5 on both sides. The roller disc 5 rotates while pressing the bonding plate 62. The pressure sensor 61 detects the change in value and transmits the electrical signal to the control panel 7. When the roller cutter disc 5 is worn, the pressure on the bonding plate 62 will decrease. The wear state of the roller cutter disc 5 can be observed by the difference in the values ​​of the two pressure sensors 61.

Claims

1. A shield tunneling machine cutter wear detection device, characterized in that, include: Mounting base (1); The lifting frame (2) is mounted on the mounting base (1) and the lifting frame (2) is slidably connected to the mounting base (1); Rotating assembly (3), said rotating assembly (3) is mounted on lifting frame (2); The clamping assembly (4) is mounted on both sides of the rotating assembly (3), and the clamping assembly (4) is mounted on the hobbing disc (5). The bonding assembly (6) is mounted on the mounting base (1) and corresponds to the roller disc (5). The mounting base (1) is equipped with a control panel (7), which is electrically connected to the bonding assembly (6).

2. The shield tunneling machine cutter wear detection device according to claim 1, characterized in that, The mounting base (1) includes a base plate (11) and a column (12). The column (12) has an L-shaped cross-section. A pneumatic cylinder (21) is installed at the upper end of the column (12). The pneumatic end of the pneumatic cylinder (21) is connected to the lifting frame (2). The lifting frame (2) has a U-shaped cross-section. The lifting frame (2) includes a top plate (22) and side plates (23). There are two side plates (23) installed on both sides of the top plate (22). A partition plate (24) is installed on the top plate (22).

3. The shield tunneling machine cutter wear detection device according to claim 2, characterized in that, The rotating assembly (3) includes a rotating shaft (31), a synchronous shaft (32), and a motor (33). The rotating shaft (31) has two shafts and is rotatably connected to the side plates (23) on both sides respectively. The synchronous shaft (32) is rotatably connected to the partition plate (24) and corresponds to the rotating shaft (31) on both sides. A gear (34) is installed on the rotating shaft (31). The motor (33) is installed on the top plate (22). A gear (35) is installed on the motor shaft of the motor (33). The gear (34) and the gear (35) mesh.

4. The shield machine cutter wear detection device according to claim 3, characterized in that, Both ends of the synchronous shaft (32) are equipped with clamping components (4). The clamping components (4) include a pressing block (41) and a pneumatic cylinder (42). A limit block (36) is installed at one end of the rotating shaft (31). The limit block (36) is provided with a first insertion hole (37). The second pneumatic cylinder (42) is installed on the end face of the synchronous shaft (32). The pneumatic end of the second pneumatic cylinder (42) is connected to the pressing block (41). The pressing block (41) is provided with a second insertion hole (43). One end of the roller cutter disc (5) is placed in the first insertion hole (37), and the other end of the roller cutter disc (5) is placed in the second insertion hole (43).

5. The shield machine cutter wear detection device according to claim 4, characterized in that, The extrusion block (41) is provided with a limiting rod (44), and the synchronous shaft (32) is installed with a limiting tube (38). One end of the limiting rod (44) is connected to the extrusion block (41), and the other end of the limiting rod (44) is placed inside the limiting tube (38).

6. The shield tunneling machine cutter wear detection device according to claim 2, characterized in that, The side plate (23) is provided with guide plates (13) on both sides. The lower end of the guide plate (13) is connected to the bottom plate (11). The guide plate (13) is provided with a sliding groove (14) on the side facing the side plate (23). Sliding blocks (25) are installed on both sides of the side plate (23). The side plate (23) is slidably connected to the guide plates (13) on both sides through the cooperation of the sliding blocks (25) and the sliding groove (14).

7. The shield machine cutter wear detection device according to claim 2, characterized in that, The bonding assembly (6) includes a pressure sensor (61) and a bonding plate (62). The pressure sensor (61) is mounted on the base plate (11), and the bonding plate (62) is mounted on the upper end of the pressure sensor (61). The bonding plate (62) is matched with the roller disc (5), and the pressure sensor (61) is electrically connected to the control panel (7).

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