Automatic anti-buried hammer level gauge

Abstract

The application discloses an automatic anti-buried weight material level meter and relates to the field of measuring instruments, which comprises a rack, a rotating winding drum, a steel wire rope, a weightlessness detection sensor, a meter counter and a weight on the rack, a driving mechanism for driving the rotating winding drum to rotate is arranged on the rack, a protective cover is arranged on the rotating sleeve of the periphery of the weight, a rotating ring is arranged on the periphery of the weight, a driving device for driving the rotating ring to rotate is arranged on the weight, and a linkage mechanism for linking the protective cover with the rotating ring to rotate together is arranged on the protective cover. The application has the effects that the material can be prevented from compacting the weight, so that the steel wire rope can take the weight out of the material. Meanwhile, the steel wire rope can be prevented from being damaged during the process of pulling the weight as much as possible.

Description

Technical Field

[0001] This application relates to the field of measuring instruments, and in particular to an automatic anti-buried hammer level gauge. Background Technology

[0002] Currently, in industries such as power, cement, metallurgy, coal, chemical, feed, docks, and grain, it is often necessary to measure the stacking height of materials in silos. At present, the weighted level gauge can detect the material height in the silo in real time. Its working principle is to suspend the weight in the silo by a motor through a steel wire rope, measure the distance from the top of the silo to the surface of the material, and subtract the distance the weight moves from the actual height of the silo to obtain the height of the material.

[0003] By setting up a rotating drum, wire rope, weight loss detection sensor, meter counter, and counterweight, the rotating drum is driven to rotate to release the wire rope. The weight loss detection sensor detects when the wire rope loses weight, and the meter counter detects the length of the wire rope after weight loss, thereby enabling the detection of the material height in the silo.

[0004] Regarding the aforementioned technologies, the inventors believe that the following defects exist: When the weight is laid into the silo to measure the material height, the traction line will momentarily slacken when the weight touches the material; when some material collapses due to contact with external objects, the weight will be buried in the material. It may be difficult to pull the weight out of the material during the process of rewinding the traction line, and the traction line may even break, resulting in the weight being directly buried in the material and difficult to remove, which may damage the automatic anti-buried hammer level gauge. Summary of the Invention

[0005] To address the problem that during the process of pulling the hammer back by the winding traction line, it may be difficult to pull the hammer out of the material, or the traction line may even break, causing the hammer to be directly buried in the material and difficult to remove, this application provides an automatic anti-buried hammer level gauge.

[0006] The automatic anti-buried hammer level gauge provided in this application adopts the following technical solution:

[0007] An automatic anti-buried hammer level gauge includes a frame, on which a rotating drum, a wire rope, a weight loss detection sensor, a meter counter, and a weight are mounted. The frame is equipped with a drive mechanism for driving the rotating drum to rotate. A protective cover is rotatably fitted around the weight. A rotating ring is mounted around the weight. A drive device is mounted on the weight for driving the rotating ring to rotate. The protective cover is equipped with a linkage mechanism for rotating the protective cover along with the rotating ring.

[0008] By adopting the above technical solution, when detecting the material level in the silo, when the hammer touches the material and some material simultaneously buries the hammer, the drive device drives the rotating ring to rotate. Simultaneously, the linkage mechanism causes the rotating ring to rotate synchronously with the protective cover, ensuring that the hammer's periphery is in a rotating state. This minimizes the possibility of the surrounding material completely burying the hammer, reducing the burial depth and securing the hammer. As the rotating ring drives the protective cover to rotate, the hammer's periphery remains in motion, further preventing material from compacting the hammer and facilitating the removal of the hammer from the material by the wire rope. This also minimizes the risk of damage to the wire rope during hammer traction, protecting both the wire rope and the hammer, and consequently protecting the level gauge, thus aiding in the accurate detection of material levels in the silo.

[0009] Optionally, the driving device includes an overload sensor, a drive motor, a first driving component, and a second driving component. A base is provided on the wire rope, and the drive motor is mounted on the base. The drive motor is electrically connected to the overload sensor and coaxially connected to the first driving component. The second driving component is connected to the rotating ring. A connecting mechanism is provided between the rotating ring and the second driving component to securely and coaxially connect the second driving component to the rotating ring. A synchronization mechanism is provided between the first driving component and the second driving component to enable the second driving component to rotate synchronously with the first driving component.

[0010] By adopting the above technical solution, the second driving component is securely connected to the rotating ring through the connection structure. When the hammer comes into contact with the material, and the hammer is partially buried by the material, the wire rope pulls the hammer upward. When the tension on the wire rope exceeds the original weight of the hammer, the overload sensor detects that the wire rope is subjected to a tension exceeding the weight of the hammer itself. The overload sensor then transmits a signal to the drive motor, which starts the drive motor to drive the first driving component to rotate. At the same time, the synchronization mechanism makes the first and second driving components move synchronously, so that the second driving component drives the rotating ring to rotate synchronously. This causes the rotating ring to drive the protective cover to rotate synchronously, minimizing the possibility of the detector being firmly buried in the material. It also helps the wire rope to remove the hammer from the material, providing a certain degree of protection for the wire rope and the detector, thus protecting the level gauge to a certain extent.

[0011] Optionally, the synchronization mechanism includes a first gear and a second gear. The first gear is coaxially sleeved on the first driving member. A plurality of second gears are meshed with the circumferential side of the first gear. The second driving member is configured as a rotating inner gear. The ends of the plurality of second gears away from the first gear are meshed with the rotating inner gear. The counterweight is provided with a stabilizing component for firmly supporting the first gear and the second gear on the counterweight.

[0012] By adopting the above technical solution, the first gear and the second gear are stabilized by the stabilizing component. When the first driving component is driven to rotate by the drive motor, the first gear rotates, which drives multiple second gears to rotate synchronously, thereby driving the inner gear to rotate. As a result, the rotating ring rotates with the inner gear, thus realizing the rotation of the rotating ring, which facilitates the rotating ring to drive the protective cover to rotate.

[0013] Optionally, the stabilizing component includes a stabilizing column and a snap-fit ​​block. The hammer has a first snap-fit ​​groove, and the bottom wall of the first snap-fit ​​groove of the hammer has a second snap-fit ​​groove. The inner diameter of the second snap-fit ​​groove is longer than the inner diameter of the first snap-fit ​​groove. The first snap-fit ​​groove of the hammer has a sliding groove along its length direction. Both ends of the sliding groove are through-holes. The second snap-fit ​​groove has a snap-fit ​​groove on the side of the second snap-fit ​​groove near the first snap-fit ​​groove, and the snap-fit ​​groove is connected to the first snap-fit ​​groove.

[0014] The stabilizing column is coaxially rotatably connected to the first driving member. The snap-fit ​​block is fixedly disposed on the side wall of the stabilizing column. The stabilizing column is slidably disposed in the first snap-fit ​​groove and the snap-fit ​​block slides along the groove. When the snap-fit ​​block slides from the groove to the second snap-fit ​​groove, the stabilizing column is rotated so that the snap-fit ​​block snaps into the snap-fit ​​groove. The second snap-fit ​​groove is provided with a driving member for driving the snap-fit ​​block to snap into the snap-fit ​​groove.

[0015] By adopting the above technical solution, the stabilizing column passes through the first slot, causing the locking block to move along the sliding direction of the slide groove, allowing the stabilizing column to slide into the second slot. At this time, rotating the stabilizing column causes the locking block to move along the inner circumference of the second slot. When the locking block moves to the side away from the opening of the slide groove, the driving component drives the locking block into the locking slot, thereby locking the stabilizing column and connecting the first gear to the counterweight. This facilitates the rotation of the first driving component on the stabilizing column while minimizing the risk of the first driving component detaching from the stabilizing column. When it is necessary to rotate the rotating ring, the stabilizing column can be directly installed on the counterweight to facilitate driving the rotating ring to rotate. When it is not necessary to drive the rotating ring to rotate, the stabilizing column can be directly removed from the counterweight, making installation and removal convenient.

[0016] Optionally, the connecting mechanism includes an inner screw cylinder, a first threaded rod, and a second threaded rod. The first threaded rod and the second threaded rod are respectively threaded into both ends of the inner screw cylinder. The end of the first threaded rod away from the inner screw cylinder is connected to the rotating inner gear, and the end of the second threaded rod away from the inner screw cylinder is connected to the rotating ring.

[0017] By adopting the above technical solution, the inner screw, the first screw, and the second screw connect the rotating ring and the rotating inner gear together, which facilitates the adjustment between the rotating ring and the rotating inner gear. This facilitates the meshing connection between the rotating inner gear and multiple second gears, minimizing the impact on the normal rotation of the rotating inner gear. This allows the rotating inner gear to drive the rotating ring to rotate normally, and also makes it easy to remove from the rotating inner gear and the rotating ring, achieving convenient installation and disassembly.

[0018] Optionally, the linkage mechanism includes multiple plug-in blocks, which are disposed on the periphery of the protective cover near the end of the rotating ring. The rotating ring has multiple plug-in slots on its end face near the protective cover. The plug-in blocks are engaged with the plug-in slots. The rotating ring is provided with a snap-fit ​​component for fixing the plug-in blocks in the plug-in slots.

[0019] By adopting the above technical solution, the plug block is inserted into the plug slot, and the plug block is fixedly snapped into the plug slot by the snap-fit ​​component, so that the protective cover is fixedly connected to the circumference of the rotating ring, so that the protective cover covers the hammer and avoids the phenomenon of the hammer being firmly buried in the material as much as possible.

[0020] Optionally, the snap-fit ​​assembly includes a snap-fit ​​block and an elastic element. The snap-fit ​​block has a snap-fit ​​groove, and the elastic element is connected to the snap-fit ​​groove. One end of the elastic element away from the snap-fit ​​groove is connected to the snap-fit ​​block. The snap-fit ​​block is elastically disposed in the snap-fit ​​groove. The side wall of the snap-fit ​​groove of the rotating ring has a through hole, and the snap-fit ​​block is snap-fitted and adapted to the through hole.

[0021] By adopting the above technical solution, when the plug block is inserted into the plug slot, the elastic element pushes the locking block into the through hole by its own elastic deformation force, thereby fixing the plug block in the plug slot; when it is necessary to remove the protective cover from the rotating ring, the locking block is pushed out of the through hole by pushing it along the extension direction of the through hole, so that the plug block can be removed from the plug slot, thereby disassembling the rotating ring and the protective cover.

[0022] Optionally, the protective cover is conical at the end near the wire rope, and the outer diameter of the protective cover gradually increases from the end near the rotating ring to the end away from the rotating ring.

[0023] By adopting the above technical solution, the phenomenon of material accumulating on the protective cover can be avoided as much as possible. At the same time, during the rotation of the protective cover, it helps to reduce the impact force between the material and the protective cover, thereby helping the wire rope to remove the weight from the material.

[0024] Optionally, the outer surface of the protective cover is provided with a spiral pattern.

[0025] By adopting the above technical solution, the protective cover can be moved in the material pile, which helps to remove the heavy hammer.

[0026] Optionally, the drive device includes a long gear, a short gear, and a rotating motor. The rotating motor is coaxially bolted to the frame, and the output end of the rotating motor is coaxially bolted to the long gear. The short gear is fixedly sleeved on the rotating drum, and the rotating drum is rotatably connected to the frame. The long gear and the short gear are meshed together.

[0027] By adopting the above technical solution, the rotating motor is started, which drives the long gear to rotate, which in turn drives the short gear to rotate, thereby driving the rotating drum to rotate, so as to realize the rotating drum to unload the wire rope, which is convenient to operate.

[0028] In summary, this application includes at least one of the following beneficial technical effects:

[0029] 1. By incorporating a protective cover, drive mechanism, rotating ring, drive device, and linkage mechanism, when detecting the material height in the silo, if the hammer touches the material and some material simultaneously buries the hammer, the drive device drives the rotating ring to rotate. Simultaneously, the linkage mechanism causes the rotating ring to rotate synchronously with the protective cover, keeping the hammer's periphery in a rotating state. This minimizes the possibility of the surrounding material completely burying the hammer, reducing the burial depth and securing the hammer. As the rotating ring drives the protective cover to rotate, the hammer's periphery remains in motion, preventing material from compacting the hammer and facilitating the removal of the hammer from the material by the wire rope. This also minimizes the risk of damage to the wire rope during hammer traction, protecting both the wire rope and the hammer, and ultimately protecting the level gauge, thus aiding in the accurate detection of material levels in the silo.

[0030] 2. By setting up a load sensing sensor, a drive motor, a first drive component, and a second drive component, the connection structure ensures that the second drive component is securely connected to the rotating ring. When the hammer comes into contact with the material, and the hammer is partially buried by the material, the wire rope pulls the hammer upward. When the tension on the wire rope exceeds the original weight of the hammer, the overload sensing sensor detects that the wire rope is subjected to a tension exceeding the weight of the hammer itself. The overload sensing sensor then transmits a signal to the drive motor, which starts the drive motor to drive the first drive component to rotate. At the same time, the synchronization mechanism makes the first drive component and the second drive component move synchronously, thereby causing the second drive component to drive the rotating ring to rotate synchronously. This causes the rotating ring to drive the protective cover to rotate synchronously, minimizing the possibility of the detector being firmly buried in the material. It also helps the wire rope to remove the hammer from the material, providing a certain degree of protection for the wire rope and the detector, thus protecting the level gauge to a certain extent.

[0031] 3. By setting a first gear, a second gear, a rotating inner gear, and a stabilizing component, the stabilizing component causes the first gear and the second gear to rotate when the drive motor drives the first drive component to rotate, causing the first gear to rotate, which in turn drives multiple second gears to rotate synchronously, thereby driving the rotating inner gear to rotate, so that the rotating ring rotates with the rotating inner gear, thereby realizing the rotation of the rotating ring, which facilitates the rotating ring to drive the protective cover to rotate. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0033] Figure 2 This is a partial cross-sectional structural diagram used in the embodiments of this application to mainly illustrate structures such as the counterweight.

[0034] Figure 3 This is a partial structural diagram of the drive mechanism, which is mainly the same as the embodiment of this application.

[0035] Reference numerals: 1. Frame; 2. Rotating drum; 3. Wire rope; 4. Drive mechanism; 41. Long gear; 42. Short gear; 43. Rotating motor; 5. Drive device; 51. Overload sensor; 52. Drive motor; 53. Rotating rod; 54. Rotating inner gear; 6. Rotating ring; 7. Protective cover; 8. Linkage mechanism; 81. Insertion block; 82. Insertion slot; 9. Connecting mechanism; 91. Inner screw; 92. First threaded rod; 93. Second threaded rod; 10. Synchronization mechanism; 101. First gear; 102. Second gear; 11. Stabilizing component; 111. Stabilizing column; 112. Locking block; 12. First locking slot; 13. Second locking slot; 14. Slide groove; 15. Locking slot; 16. Return spring; 17. Clamping block; 18. Clamping slot; 19. Locking spring; 20. Through hole; 21. Base; 22. Counterweight. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0037] This application discloses an automatic anti-buried hammer level gauge. (Refer to...) Figure 1 and Figure 2 The automatic anti-buried hammer level gauge includes a frame 1, on which a rotating drum 2, a steel wire rope 3, a weight loss detection sensor, a meter counter, and a counterweight 22 are mounted. The frame 1 is equipped with a drive mechanism 4 for driving the rotating drum 2 to rotate and releasing the wire rope onto the hopper. The drive mechanism 4 includes a long gear 41, a short gear 42, and a rotating motor 43. The rotating motor 43 is coaxially bolted to the frame 1, and its output end is coaxially bolted to the long gear 41. The short gear 42 is fixedly sleeved on the rotating drum 2, which is rotatably connected to the frame 1. The long gear 41 and the short gear 42 are meshed together. The rotating motor 43 drives the long gear 41 to rotate, which in turn drives the short gear 42 to rotate, thereby releasing the steel wire rope 3.

[0038] In the embodiments of this application, reference is made to Figure 1 and Figure 2 A protective cover 7 is rotatably fitted around the weight 22. The protective cover 7 is made of steel to protect the weight 22. The protective cover 7 is divided into two parts, which are conical and cylindrical respectively. The conical part is rotatably fitted on the wire rope 3. The outer diameter of the conical part gradually increases from the end near the rotating ring 6 to the end away from the rotating ring 6. The outer surface of the protective cover 7 is provided with spiral patterns to avoid the material in the hopper from accumulating on the protective cover 7 as much as possible, and at the same time, it is easy to remove the protective cover 7 from the material.

[0039] A rotating ring 6 is provided on the periphery of the weight 22. A sliding groove is provided on the periphery of the weight 22. A ball is rotatably connected to the side of the rotating ring 6 near the weight 22. The end of the ball away from the rotating ring 6 is rolled in the sliding groove. At the same time, the ball is anti-detached and rolled in the sliding groove to facilitate the rotation of the rotating ring 6 along the outer periphery of the weight 22. A driving device 5 is provided on the weight 22 to drive the rotating ring 6 to rotate. A linkage mechanism 8 is provided on the cylindrical part of the protective cover 7 to rotate the protective cover 7 with the rotating ring 6.

[0040] In the embodiments of this application, reference is made to Figure 2 and Figure 3The drive device 5 includes an overload sensor 51, a drive motor 52, a first drive component, and a second drive component. A base 21 is fixedly connected to the wire rope 3. The drive motor 52 is bolted to the base 21. The drive motor 52 is electrically connected to the overload sensor 51. The overload sensor 51 is set on the base 21. When the overload sensor 51 senses that the weight on the wire rope 3 exceeds the weight of the counterweight 22, the overload sensor 51 receives a signal and transmits the signal to the drive motor 52 to start the drive motor 52.

[0041] The output end of the drive motor 52 is coaxially bolted to the first drive member, the second drive member is connected to the rotating ring 6, a connecting mechanism 9 is provided between the rotating ring 6 and the second drive member to securely and coaxially connect the second drive member to the rotating ring 6, and a synchronization mechanism 10 is provided between the first drive member and the second drive member to make the second drive member rotate synchronously with the first drive member.

[0042] In the embodiments of this application, reference is made to Figure 2 and Figure 3 The synchronization mechanism 10 includes a first gear 101 and a second gear 102. The first driving component is a rotating rod 53, which is coaxially bolted to the output end of the drive motor 52. The first gear 101 is coaxially sleeved on the rotating rod 53 and fixedly mounted on the rotating rod 53. The first gear 101 is circumferentially meshed with multiple second gears 102. In this embodiment, three second gears 102 are provided, and the three second gears 102 mesh with the first gear 101. The rotation of the first gear 101 drives the three second gears 102 to rotate.

[0043] The second driving component is configured as a rotating inner gear 54. The ends of the three second gears 102 away from the first gear 101 are all meshed with the rotating inner gear 54. The counterweight 22 is provided with a stabilizing component 11 for firmly supporting the first gear 101 and the second gear 102 on the counterweight 22.

[0044] Reference Figure 2 The stabilizing component 11 includes a stabilizing column 111 and a snap-fit ​​block 112. One end of the stabilizing column 111 is fixedly connected to a connecting plate. Three second gears 102 are rotatably connected to the connecting plate. The end of the rotating rod 53 away from the drive motor 52 is rotatably inserted through the connecting plate and rotatably connected to the stabilizing column 111.

[0045] The hammer 22 has a first slot 12, which is cylindrical. The bottom wall of the first slot 12 of the hammer 22 has a second slot 13, which is also cylindrical. The inner diameter of the second slot 13 is longer than that of the first slot 12. The first slot 12 has a sliding groove 14 along its length. Both ends of the sliding groove 14 are through-hole. The second slot 13 of the hammer 22 has a locking groove 15 on the side near the bottom wall of the first slot 12, and the locking groove 15 is connected to the first slot 12. The side of the locking groove 15 that is through-hole to the first slot 12 is opposite to the opening direction of the sliding groove 14. The combined length of the stabilizing column 111 and the locking block 112 is less than the inner diameter of the second slot 13.

[0046] The stabilizing column 111 is coaxially connected to the rotating rod 53. The locking block 112 is fixedly installed on the side wall of the stabilizing column 111. The end of the stabilizing column 111 away from the connecting plate is slidably installed in the first locking groove 12 and the locking block 112 slides along the slide groove 14. When the locking block 112 slides from the slide groove 14 into the second locking groove 13, the stabilizing column 111 is rotated so that the locking block 112 rotates to the end close to the locking groove 15. The second locking groove 13 is provided with a driving component for driving the locking block 112 to engage with the locking groove 15. The driving component is a return spring 16. One end of the return spring 16 is fixedly connected to the stabilizing column 111 and the other end abuts against the bottom wall of the second locking groove 13.

[0047] In this embodiment, by sliding the stabilizing post 111 through the first slot 12, the locking block 112 slides along the sliding direction of the slide groove 14, and the stabilizing post 111 and the locking block 112 slide together into the second slot 13. At this time, the return spring 16 is compressed. Then, the stabilizing post 111 is rotated to rotate the locking block 112 to the end away from the slide groove 14, so that the locking block 112 is aligned with the opening of the locking groove 15. Then, the return spring 16 pushes the stabilizing post 111 upward, so that the locking block 112 is locked into the locking groove 15, thereby achieving the fixed locking of the stabilizing post 111 onto the counterweight 22. Then, by starting the drive motor 52, the rotating rod 53 is rotated, thereby causing the rotating rod 53 to drive the first gear 101 to rotate, and thus driving the three... The second gear 102 rotates, which in turn drives the inner gear 54 to rotate, thus realizing the transmission of the structure. When it is necessary to remove the first gear 101, the second gear 102, and other structures from the hammer 22, the stabilizing column 111 is pressed down, which compresses the return spring 16, causing the locking block 112 to move from the locking groove 15 to the second locking groove 13. Then, the stabilizing column 111 is rotated, causing the locking block 112 to rotate to the side closer to the slide groove 14. The elastic deformation force of the return spring 16 itself causes the locking block 112 to slide out of the slide groove 14, removing the stabilizing column 111 from the hammer 22. This allows for the disassembly and assembly of the first gear 101, the second gear 102, the rotating rod 53, and the hammer. The disassembly and assembly are convenient, facilitating easy maintenance and replacement.

[0048] In one feasible embodiment, the connecting mechanism 9 includes an inner screw cylinder 91, a first threaded rod 92 and a second threaded rod 93. The first threaded rod 92 and the second threaded rod 93 are respectively threaded into the two ends of the inner screw cylinder 91. The end of the first threaded rod 92 away from the inner screw cylinder 91 is bolted to the rotating inner gear 54, and the end of the second threaded rod 93 away from the inner screw cylinder 91 is bolted to the rotating ring 6.

[0049] In another feasible embodiment, the connecting mechanism 9 includes two connecting rods, the two ends of which are respectively bolted to the end face of the rotating inner gear 54 and the end face of the rotating ring 6. The two connecting rods are symmetrically arranged with the center of the rotating ring 6 as the axis, which facilitates the supporting connection of the rotating inner gear 54 to the rotating ring 6.

[0050] In the application embodiment, the first implementation method is selected. The rotating ring 6 and the rotating inner gear 54 are connected together by the inner screw 91, the first threaded rod 92 and the second threaded rod 93. At the same time, the distance between the rotating ring 6 and the rotating inner gear 54 can be adjusted by rotating the inner screw 91, which helps to make the rotating inner gear 54 mesh with the multiple second gears 102, and can also avoid affecting the normal rotation of the rotating inner gear 54 as much as possible, so that the rotating inner gear 54 can drive the rotating ring 6 to rotate normally.

[0051] Simultaneously, the stabilizing column 111 is connected to the counterweight 22. When the overload sensor 51 detects that the weight of the wire rope 3 exceeds the counterweight 22, the overload sensor 51 receives a signal and transmits the signal to the drive motor 52, causing the drive motor 52 to start. This causes the drive motor 52 to drive the rotating rod 53 to rotate, which in turn drives the first gear 101 to rotate. The first gear 101 drives the three second gears 102 to rotate, and the three second gears 102 together drive the inner gear 54 to rotate, thereby causing the rotating ring 6 to rotate along the circumference of the counterweight 22. This causes the ball bearings to drive the rotating ring 6 to rotate along the circumference of the counterweight 22, which in turn causes the rotating ring 6 to drive the protective cover 7 to move along the circumference of the counterweight 22.

[0052] The protective cover 7 is always rotating, which keeps the periphery of the counterweight 22 in a rotating state. This helps to prevent the surrounding material from completely burying the counterweight 22, reducing the burial depth and the tightness of the burial. As the rotating ring 6 drives the protective cover 7 to rotate, the periphery of the counterweight 22 is always in a state of motion, which helps to prevent the material from compacting the counterweight 22. This helps the wire rope 3 to remove the counterweight 22 from the material, and at the same time, it can also minimize the possibility of damage to the wire rope 3 during the pulling of the counterweight 22, thus achieving protection for the wire rope 3 and the counterweight 22.

[0053] To facilitate the installation or removal of the protective cover 7 on the rotating ring 6, in this embodiment, the linkage mechanism 8 includes a plurality of plug-in blocks 81. Four plug-in blocks 81 are provided, and the four plug-in blocks 81 are welded to the periphery of the protective cover 7 near the end of the rotating ring 6. Four snap-fit ​​blocks 112 are distributed at equal intervals around the center of the protective cover 7. Four plug-in slots 82 are provided on the end face of the rotating ring 6 near the protective cover 7. The plug-in blocks 81 are snap-fitted into the plug-in slots 82. The rotating ring 6 is provided with snap-fit ​​components for fixing the plug-in blocks 81 into the plug-in slots 82.

[0054] The snap-fit ​​assembly includes a snap-fit ​​block 17 and an elastic element. The elastic element is a locking spring 19. A snap-fit ​​groove 18 is provided on the plug-in block 81. The locking spring 19 is fixedly connected to the bottom wall of the snap-fit ​​groove 18. The end of the locking spring 19 away from the snap-fit ​​groove 18 is fixedly connected to the snap-fit ​​block 17. The snap-fit ​​block 17 is slidably disposed in the snap-fit ​​groove 18. A through hole 20 is provided on the side wall of the plug-in groove 82 of the rotating ring 6. The snap-fit ​​block 17 is snap-fitted and adapted to the through hole 20.

[0055] In this embodiment, the plug block 81 is inserted into the plug groove 82, and the elastic element pushes the locking block 112 into the through hole 20 by its own elastic deformation force, thereby fixing the plug block 81 in the plug groove 82. This achieves the fixed connection of the protective cover 7 to the periphery of the rotating ring 6, so that the protective cover 7 covers the counterweight 22, avoiding the phenomenon of the counterweight 22 being firmly embedded in the material as much as possible. When it is necessary to remove the protective cover 7 from the rotating ring 6, the locking block 112 is pushed out of the through hole 20 by pushing it along the extension direction of the through hole 20, so that the plug block 81 can be removed from the plug groove 82, thereby disassembling the rotating ring 6 and the protective cover 7.

[0056] The implementation principle of an automatic anti-buried hammer level gauge in this application embodiment is as follows: When the material height in the silo is detected, when the hammer 22 touches the material and at the same time some material buries the hammer 22 in the material, the overload sensor 51 detects that the weight of the steel wire rope 3 pulling the hammer 22 is greater than the weight of the hammer 22 itself. The overload sensor 51 receives the signal and transmits the signal to the drive motor 52, so that the drive motor 52 drives the rotating rod 53 to rotate, thereby driving the first gear 101 to rotate, which in turn drives the second gear 102 to rotate, which in turn drives the inner rotating gear 54 to rotate, and the inner rotating gear 54 drives the rotating ring 6 to rotate.

[0057] Simultaneously, the plug 81 is engaged with the plug slot 82, and the locking spring 19 engages the plug 112 with the through hole 20, so that the protective cover 7 is fixedly sleeved on the circumference of the rotating ring 6, covering the weight 22. The rotating ring 6 rotates synchronously with the protective cover 7, so that the circumference of the weight 22 is in a rotating state, which helps to prevent the surrounding material from completely burying the weight 22, thus reducing the burial depth and the tightness of the burial. When the rotating ring 6 drives the protective cover 7 to rotate, the circumference of the weight 22 is always in a moving state, which helps to prevent the material from compacting the weight 22, thus helping to remove the weight 22 from the material by the wire rope 3. At the same time, it also helps to prevent the wire rope 3 from being damaged during the pulling of the weight 22, thus protecting the wire rope 3 and the weight 22, and thus protecting the level gauge, which helps the level gauge to detect the material height in the silo.

[0058] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An automatic anti-buried hammer level gauge, comprising a frame (1), wherein the frame (1) includes a rotating drum (2), a wire rope (3), a weight loss detection sensor, a meter counter, and a counterweight (22), characterized in that: The frame (1) is provided with a drive mechanism (4) for driving the rotating drum (2) to rotate. A protective cover (7) is rotatably sleeved on the periphery of the weight (22). A rotating ring (6) is provided on the periphery of the weight (22). A drive device (5) for driving the rotating ring (6) to rotate is provided on the weight (22). A linkage mechanism (8) for rotating the protective cover (7) along with the rotating ring (6) is provided on the protective cover (7). The drive device (5) includes an overload sensor (51), a drive motor (52), a first drive component, and a second drive component. The wire rope (3) is provided with... The base (21) is on which the drive motor (52) is mounted. The drive motor (52) is electrically connected to the overload sensor (51). The drive motor (52) is coaxially connected to the first drive member. The second drive member is connected to the rotating ring (6). A connecting mechanism (9) is provided between the rotating ring (6) and the second drive member to securely and coaxially connect the second drive member to the rotating ring (6). The first drive member and the second drive member are provided with a synchronization mechanism (10) to make the second drive member move synchronously with the first drive member. The synchronization mechanism (10) includes a first A first gear (101) and a second gear (102) are provided. The first gear (101) is coaxially mounted on the first driving member. A plurality of second gears (102) are meshed around the first gear (101). The second driving member is configured as a rotating inner gear (54). The ends of the plurality of second gears (102) away from the first gear (101) are meshed with the rotating inner gear (54). A stabilizing component (11) is provided on the weight (22) for firmly supporting the first gear (101) and the second gears (102) on the weight (22). The stabilizing component (11) includes... The stabilizer (111) and the locking block (112) are provided. The first locking groove (12) is provided on the hammer (22). The bottom wall of the first locking groove (12) of the hammer (22) is provided with a second locking groove (13). The inner diameter of the second locking groove (13) is longer than the inner diameter of the first locking groove (12). The first locking groove (12) of the hammer (22) is provided with a sliding groove (14) along its length direction. Both ends of the sliding groove (14) are through. The second locking groove (13) is provided with a locking groove (15) on the side near the first locking groove (12) and the locking groove (15) is connected to the first locking groove (12).The stabilizing column (111) is coaxially rotatably connected to the first driving member. The snap-fit ​​block (112) is fixedly disposed on the side wall of the stabilizing column (111). The stabilizing column (111) is slidably disposed in the first snap-fit ​​groove (12), and the snap-fit ​​block (112) slides along the slide groove (14). When the snap-fit ​​block (112) slides from the slide groove (14) into the second snap-fit ​​groove (13), the stabilizing column (111) is rotated so that the snap-fit ​​block (112) snaps into the snap-fit ​​groove (15). The second snap-fit ​​groove (13) is provided with A driving component for driving the snap-fit ​​block (112) to snap into the snap-fit ​​groove (15); the driving device (5) includes a long gear (41), a short gear (42) and a rotating motor (43), the rotating motor (43) is coaxially bolted to the frame (1), the output end of the rotating motor (43) is coaxially bolted to the long gear (41), the short gear (42) is fixedly sleeved on the rotating drum (2), the rotating drum (2) is rotatably connected to the frame (1), and the long gear (41) and the short gear (42) are meshed together.

2. The automatic anti-buried hammer level gauge according to claim 1, characterized in that: The connecting mechanism (9) includes an inner screw cylinder (91), a first threaded rod (92) and a second threaded rod (93). The first threaded rod (92) and the second threaded rod (93) are respectively threaded into both ends of the inner screw cylinder (91). The end of the first threaded rod (92) away from the inner screw cylinder (91) is connected to the rotating inner gear (54), and the end of the second threaded rod (93) away from the inner screw cylinder (91) is connected to the rotating ring (6).

3. The automatic anti-buried hammer level gauge according to claim 1, characterized in that: The linkage mechanism (8) includes multiple plug-in blocks (81). The plug-in blocks (81) are disposed on the periphery of the protective cover (7) near the end of the rotating ring (6). Multiple plug-in slots (82) are provided on the end face of the rotating ring (6) near the protective cover (7). The plug-in blocks (81) are engaged and adapted to the plug-in slots (82). The rotating ring (6) is provided with a snap-fit ​​component for fixing the plug-in blocks (81) in the plug-in slots (82).

4. The automatic anti-buried hammer level gauge according to claim 3, characterized in that: The snap-fit ​​assembly includes a snap-fit ​​block (17) and an elastic element. The plug-in block (81) has a snap-fit ​​groove (18). The elastic element is connected to the snap-fit ​​groove (18). One end of the elastic element away from the snap-fit ​​groove (18) is connected to the snap-fit ​​block (17). The snap-fit ​​block (17) is elastically disposed in the snap-fit ​​groove (18). The side wall of the plug-in groove (82) of the rotating ring (6) has a through hole (20). The snap-fit ​​block (17) is snap-fitted to the through hole (20).

5. The automatic anti-buried hammer level gauge according to claim 1, characterized in that: The protective cover (7) is conical at one end near the wire rope (3), and the outer diameter of the protective cover (7) gradually increases from the end near the rotating ring (6) to the end away from the rotating ring (6).

6. The automatic anti-buried hammer level gauge according to claim 1, characterized in that: The outer surface of the protective cover (7) is provided with a spiral pattern.

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