Shield tunneling machine cutter wear detection device
By designing the limiting device and the cylindrical bevel gear system, the center position of the annular tool is automatically aligned, and the problem of low detection efficiency in the prior art is solved, more efficient detection operations are achieved and tool damage is avoided.
Patent Information
- Application Number
- CN202420977994.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-17
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When using ring tools, the existing shield machine tool wear detection devices need to manually adjust the center position of the tool, resulting in low detection efficiency.
A detection device including a limiting device is designed. Through the synchronous rotation of four second threaded rods, the center of the annular tool is automatically aligned to the middle position of the bottom plate by using the cylinder and bevel gear system, which simplifies the tool setting process. .
It improves detection efficiency, reduces manual adjustment steps, simplifies the operation process, and avoids scratches of the tool during the detection process.
Smart Images

Figure CN222188796U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tool wear detection, in particular to a tool wear detection device for a shield machine. Background Art
[0002] The detection device is a device used to detect the wear of the shield machine tool. When using the detection device, first set the tool on the top of the base plate, then start the electric telescopic rod to make the detection head at a suitable height, then start the first motor to make the first motor drive the first threaded rod to rotate, and then make the detection head set on the surface of the tool, and then start the second motor to make the rectangular bar rotate, so that the wear of the annular tool can be well detected by the detection head.
[0003] The inventors found in their daily work that the detection device still has at least the following problems: when using the detection device, the cutter is placed on the top of the base plate, and the wear of the shield machine cutter is detected through the detection head. However, in actual use, because the shield machine cutters are mostly annular, in order to accurately detect, the staff needs to set the center of the annular cutter in the middle of the base plate, which is generally adjusted manually by the staff, which is more troublesome and affects the detection efficiency to a certain extent. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a shield machine cutter wear detection device.
[0005] In order to achieve the above-mentioned objectives, the utility model adopts the following technical scheme: a shield machine tool wear detection device, comprising a base plate, a support frame is fixedly connected to the top of the base plate, a second motor is fixedly connected to the top of the support frame, an electric telescopic rod is fixedly connected to the output end of the second motor, a rectangular bar is fixedly connected to the bottom of the electric telescopic rod, a first motor is fixedly connected to one side of the rectangular bar, a first threaded rod is fixedly connected to the output end of the first motor, a detection head is arranged on the surface of the first threaded rod, a limiting device is arranged on the top of the base plate, a connecting device is arranged on the top of the detection head, the limiting device comprises a second threaded rod, a sliding groove is opened on the top of the base plate, the inner wall of the sliding groove is slidably connected to a limiting block, and a thread of the second threaded rod is inserted through one side of the limiting block.
[0006] The effect achieved by the above-mentioned components is: when using the limit device, the four second threaded rods are controlled to rotate simultaneously, so that the limit blocks on the surfaces of the second threaded rods are simultaneously moved away from the center position of the base plate, and then the annular tool is well set on the top of the base plate through the four limit blocks, and the center of the annular tool is conveniently set in the middle of the base plate, which improves the detection efficiency to a certain extent.
[0007] Preferably, the top of the base plate is fixedly connected to a cylinder, the second threaded rod is rotatably inserted into one side of the cylinder, the end of the second threaded rod close to the cylinder is fixedly connected to a first bevel gear, a round rod is rotatably inserted into the top of the cylinder, and the bottom of the round rod is fixedly connected to a second bevel gear, and the first bevel gear and the second bevel gear are meshed with each other.
[0008] The effect achieved by the above components is: the round rod is manually controlled to rotate at the top of the cylinder, because the second bevel gear and the first bevel gear are meshed with each other, and when the round rod drives the second bevel gear to rotate, the first bevel gear is also driven to rotate, and the four second threaded rods can be controlled to rotate at the same time.
[0009] Preferably, a round block is fixedly connected to the top of the round rod, a rubber strip is evenly fixedly connected to one side of the round block, a rubber block is fixedly connected to the bottom of the round block, and the rubber block is fixedly connected to the top of the cylinder.
[0010] The effect achieved by the above components is: the round rod can be driven to rotate well by manually rotating the round block. When the round block is rotated to a suitable position, the rubber block is squeezed at the bottom of the round block, so that the round rod can be well restricted inside the cylinder. The function of the rubber strip is to prevent slipping when the round block is manually rotated.
[0011] Preferably, a rubber arc plate is fixedly connected to one side of the limit block, and small holes are evenly opened on the top of the rubber arc plate.
[0012] The effect achieved by the above components is that the rubber arc plate is squeezed on the tool to avoid scratching the tool to a certain extent.
[0013] Preferably, the connecting device includes a connecting plate, which is threadedly sleeved on the surface of the first threaded rod, a limiting groove is opened at the bottom of the rectangular bar, the inner wall of the limiting groove and the top of the connecting plate are slidingly connected, the connecting plate is arranged on the top of the detection head, and a second fixing hole is opened at the bottom of the connecting plate.
[0014] The effect achieved by the above components is that the connecting device can be well arranged on the surface of the first threaded rod through the connecting plate.
[0015] Preferably, a fixing groove is provided on the top of the detection head, and the inner wall of the fixing groove is slidably connected to the bottom of the connecting plate.
[0016] The effect achieved by the above components is: when using the connecting device, manually insert the connecting plate into the inner wall of the fixing groove, thereby well setting the detection head at the bottom of the first threaded rod, and the detection head can be removed by reverse operation, which is convenient for maintenance of the detection head.
[0017] Preferably, a groove is provided at the top of the detection head, and a locking block is slidably connected to the inner wall of the groove. A first fixing hole is provided on one side of the inner wall of the groove, and the inner wall of the first fixing hole is slidably connected to one end of the locking block, and the locking block is slidably connected to the inner wall of the second fixing hole.
[0018] The effect achieved by the above components is: the blocking block is slid into the inside of the groove, and then the blocking block passes through the first fixing hole and the second fixing hole in sequence, so that the connecting plate can be well fixed inside the fixing groove.
[0019] Preferably, a connecting frame is fixedly connected to one side of the connecting plate, the inner wall of the connecting frame is slidably connected to the positioning block, a spring is fixedly connected to one side of the connecting plate, and one end of the spring away from the connecting plate is fixedly connected to one side of the positioning block.
[0020] The effect achieved by the above-mentioned components is: the locking block is pulled toward the direction close to the connecting plate by the spring, thereby effectively restricting the locking block inside the second fixing hole.
[0021] In the utility model, a limit device is provided. When the limit device is used, the four second threaded rods are controlled to rotate simultaneously, so that the limit blocks on the surfaces of the second threaded rods are simultaneously away from the center position of the base plate. The annular tool is well set on the top of the base plate through the four limit blocks, and the center of the annular tool is conveniently set in the middle of the base plate, which improves the detection efficiency to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 A three-dimensional structural schematic diagram of a shield machine tool wear detection device is proposed for the utility model;
[0023] Figure 2 The utility model provides a three-dimensional structural schematic diagram of a novel limit block;
[0024] Figure 3 The utility model provides a three-dimensional structural schematic diagram of a novel round block;
[0025] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a novel clamping block.
[0026] Legend: 1. Bottom plate; 2. Support frame; 3. Second motor; 4. Electric telescopic rod; 5. Rectangular bar; 6. Detection head; 7. Limiting device; 701. Sliding groove; 702. Cylinder; 703. Second threaded rod; 704. Limiting block; 705. Rubber arc plate; 706. Small hole; 707. First bevel gear; 708. Second bevel gear; 709. Round rod; 710. Round block; 711. Rubber strip; 712. Rubber block; 8. Connecting device; 801. Connecting plate; 802. Connecting frame; 803. Positioning block; 804. Fixing groove; 805. Groove; 806. First fixing hole; 807. Second fixing hole; 808. Limiting groove; 809. Spring; 9. First motor; 10. First threaded rod. DETAILED DESCRIPTION
[0027] Embodiment 1, as Figure 1-4 As shown, a shield machine tool wear detection device is provided, wherein a support frame 2 is fixedly connected to the top of a base plate 1, a second motor 3 is fixedly connected to the top of the support frame 2, an electric telescopic rod 4 is fixedly connected to the output end of the second motor 3, a rectangular bar 5 is fixedly connected to the bottom of the electric telescopic rod 4, a first motor 9 is fixedly connected to one side of the rectangular bar 5, a first motor 9 is fixedly connected to the output end of the first motor 9, a detection head 6 is arranged on the surface of the first threaded rod 10, a limiting device 7 is arranged on the top of the base plate 1, a connecting device 8 is arranged on the top of the detection head 6, when using the detection device, the tool is firstly set on the top of the base plate 1, and then the electric telescopic rod 4 is started so that the detection head 6 is at a suitable height, and then the first motor 9 is started so that the first motor 9 drives the first threaded rod 10 to rotate, and then the detection head 6 is arranged on the surface of the tool, and then the second motor 3 is started so that the rectangular bar 5 is rotated, and then the wear of the annular tool can be well detected by the detection head 6.
[0028] Reference Figure 2 and Figure 3The limiting device 7 includes a second threaded rod 703, a sliding groove 701 is provided on the top of the bottom plate 1, the inner wall of the sliding groove 701 is slidably connected to a limiting block 704, and the second threaded rod 703 is threadedly inserted into one side of the limiting block 704. When the limiting device 7 is used, the four second threaded rods 703 are controlled to rotate at the same time, so that the limiting blocks 704 threadedly sleeved on the surfaces of the second threaded rods 703 are simultaneously away from the center position of the bottom plate 1, and the annular tool is well set on the top of the bottom plate 1 through the four limiting blocks 704, and it is very convenient to use The center of the annular tool is set in the middle of the bottom plate 1, which improves the detection efficiency to a certain extent. The top of the bottom plate 1 is fixedly connected with a cylinder 702, and the second threaded rod 703 is rotatably inserted through one side of the cylinder 702. The end of the second threaded rod 703 close to the cylinder 702 is fixedly connected with a first bevel gear 707. The top of the cylinder 702 is rotatably inserted through a round rod 709, and the bottom of the round rod 709 is fixedly connected with a second bevel gear 708. The first bevel gear 707 and the second bevel gear 708 are meshed with each other, and the round rod 709 is manually controlled to move in the circle. The top of the cylinder 702 rotates because the second bevel gear 708 and the first bevel gear 707 are meshed with each other, and when the round rod 709 drives the second bevel gear 708 to rotate, the first bevel gear 707 is also driven to rotate, so that the four second threaded rods 703 can be controlled to rotate at the same time. The top of the round rod 709 is fixedly connected to a round block 710, one side of the round block 710 is evenly fixedly connected to a rubber strip 711, the bottom of the round block 710 is fixedly connected to a rubber block 712, and the rubber block 712 is fixedly connected to the top of the cylinder 702. By manually turning The movable round block 710 can well drive the round rod 709 to rotate. When the round block 710 rotates to a suitable position, the rubber block 712 is squeezed on the bottom of the round block 710, so that the round rod 709 can be well restricted inside the cylinder 702. The function of the rubber strip 711 is to prevent the round block 710 from slipping when the round block 710 is manually rotated. A rubber arc plate 705 is fixedly connected to one side of the limit block 704. Small holes 706 are evenly opened on the top of the rubber arc plate 705. The rubber arc plate 705 is squeezed on the tool to avoid scratching the tool to a certain extent.
[0029] Reference Figure 4The connecting device 8 includes a connecting plate 801, which is threadedly sleeved on the surface of the first threaded rod 10. A limiting groove 808 is provided at the bottom of the rectangular bar 5. The inner wall of the limiting groove 808 is slidably connected to the top of the connecting plate 801. The connecting plate 801 is arranged on the top of the detection head 6. A second fixing hole 807 is provided at the bottom of the connecting plate 801. The connecting device 8 can be well set on the surface of the first threaded rod 10 through the connecting plate 801. A fixing groove 804 is provided at the top of the detection head 6. The inner wall of the fixing groove 804 is slidably connected to the bottom of the connecting plate 801. When using the connecting device 8, the connecting plate 801 is manually inserted into the inner wall of the fixing groove 804, so that the detection head 6 is well set at the bottom of the first threaded rod 10. The detection head 6 can be disassembled by reverse operation, which is convenient for inspecting the detection head 6. A groove 805 is provided at the top of the detection head 6. The inner wall of the groove 805 is slidably connected to The first fixing hole 806 is formed on one side of the inner wall of the groove 805, and the inner wall of the first fixing hole 806 is slidably connected to one end of the blocking block 803, and the blocking block 803 is slidably connected to the inner wall of the second fixing hole 807, so that the blocking block 803 is slid into the interior of the groove 805, and the blocking block 803 passes through the first fixing hole 806 and the second fixing hole 807 in sequence, so that the connecting plate 801 can be well fixed inside the fixing groove 804, and a connecting frame 802 is fixedly connected to one side of the connecting plate 801, and the inner wall of the connecting frame 802 is slidably connected to the blocking block 803, and a spring 809 is fixedly connected to one side of the connecting plate 801, and one end of the spring 809 away from the connecting plate 801 is fixedly connected to one side of the blocking block 803, and the blocking block 803 is pulled toward the connecting plate 801 by the spring 809, so that the blocking block 803 is well restricted inside the second fixing hole 807.
[0030] Working principle, when using the detection device, first set the tool on the top of the base plate 1, and then start the electric telescopic rod 4, so that the detection head 6 is at a suitable height, and then start the first motor 9, so that the first motor 9 drives the first threaded rod 10 to rotate, and then the detection head 6 is set on the surface of the tool, and then start the second motor 3 to rotate the rectangular bar 5, and then the wear of the annular tool can be well detected by the detection head 6. When using the limit device 7, manually control the rotation of the round block 710, and then the round rod 709 rotates at the top of the cylinder 702. Because the second bevel gear 708 and the first bevel gear 707 are engaged with each other, and then when the round rod 709 drives the second bevel gear 708 to rotate, the first bevel gear 707 is driven to rotate at the same time, and then the four second threaded rods 703 can be controlled to rotate at the same time, so that the limit block 704 threaded sleeve arranged on the surface of the second threaded rod 703 At the same time, it is far away from the center position of the base plate 1, and the annular tool is well set on the top of the base plate 1 through the four limit blocks 704, and the center of the annular tool is conveniently set in the middle of the base plate 1, which improves the detection efficiency to a certain extent. When using the connecting device 8, the connecting plate 801 is manually inserted into the inner wall of the fixing groove 804, and the blocking block 803 is slid into the inside of the groove 805, so that the blocking block 803 passes through the first fixing hole 806 and the second fixing hole 807 in turn, and the blocking block 803 is pulled toward the direction close to the connecting plate 801 by the spring 809, so that the blocking block 803 is well limited to the inside of the second fixing hole 807, so that the connecting plate 801 can be well fixed inside the fixing groove 804, and then the detection head 6 can be well set at the bottom of the first threaded rod 10, and the detection head 6 can be removed by reverse operation, which is convenient for repairing the detection head 6.
Claims
1. A shield machine tool wear detection device, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a support frame (2), the top of the support frame (2) is fixedly connected to a second motor (3), the output end of the second motor (3) is fixedly connected to an electric telescopic rod (4), the bottom of the electric telescopic rod (4) is fixedly connected to a rectangular bar (5), one side of the rectangular bar (5) is fixedly connected to a first motor (9), the output end of the first motor (9) is fixedly connected to a first threaded rod (10), the surface of the first threaded rod (10) is provided with a detection head (6), a limiting device (7) is provided at the top of the base plate (1), a connecting device (8) is provided at the top of the detection head (6), the limiting device (7) comprises a second threaded rod (703), a sliding groove (701) is provided at the top of the base plate (1), the inner wall of the sliding groove (701) is slidably connected to a limiting block (704), and the second threaded rod (703) is threadedly inserted into one side of the limiting block (704).
2. The shield machine tool wear detection device according to claim 1, characterized in that: The top of the base plate (1) is fixedly connected to a cylinder (702); the second threaded rod (703) is rotatably inserted through one side of the cylinder (702); one end of the second threaded rod (703) close to the cylinder (702) is fixedly connected to a first bevel gear (707); a round rod (709) is rotatably inserted through the top of the cylinder (702); the bottom of the round rod (709) is fixedly connected to a second bevel gear (708); the first bevel gear (707) and the second bevel gear (708) are meshed with each other.
3. The shield machine tool wear detection device according to claim 2, characterized in that: The top of the round rod (709) is fixedly connected to a round block (710), one side of the round block (710) is evenly fixedly connected to a rubber strip (711), the bottom of the round block (710) is fixedly connected to a rubber block (712), and the rubber block (712) is fixedly connected to the top of the cylinder (702).
4. The shield machine tool wear detection device according to claim 1, characterized in that: A rubber arc plate (705) is fixedly connected to one side of the limit block (704), and small holes (706) are evenly formed on the top of the rubber arc plate (705).
5. The shield machine tool wear detection device according to claim 1, characterized in that: The connecting device (8) comprises a connecting plate (801), wherein the connecting plate (801) is threadedly sleeved on the surface of the first threaded rod (10), a limiting groove (808) is provided at the bottom of the rectangular strip (5), an inner wall of the limiting groove (808) is slidably connected to the top of the connecting plate (801), the connecting plate (801) is arranged on the top of the detection head (6), and a second fixing hole (807) is provided at the bottom of the connecting plate (801).
6. The shield machine tool wear detection device according to claim 1, characterized in that: A fixing groove (804) is provided on the top of the detection head (6), and the inner wall of the fixing groove (804) is slidably connected to the bottom of the connecting plate (801).
7. The shield machine tool wear detection device according to claim 1, characterized in that: A groove (805) is provided at the top of the detection head (6), a locking block (803) is slidably connected to the inner wall of the groove (805), a first fixing hole (806) is provided on one side of the inner wall of the groove (805), the inner wall of the first fixing hole (806) is slidably connected to one end of the locking block (803), and the locking block (803) is slidably connected to the inner wall of the second fixing hole (807).
8. The shield machine tool wear detection device according to claim 5, characterized in that: One side of the connecting plate (801) is fixedly connected to a connecting frame (802), an inner wall of the connecting frame (802) is slidably connected to a positioning block (803), one side of the connecting plate (801) is fixedly connected to a spring (809), and one end of the spring (809) away from the connecting plate (801) is fixedly connected to one side of the positioning block (803).
