Hob ring hoisting device
By designing an adjustment and buffer mechanism for the hoisting device of the cutter ring, the problem of unstable size adjustment in existing devices has been solved, achieving stable hoisting and protecting the surface of the cutter ring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-31
AI Technical Summary
The existing hobbing cutter ring lifting device cannot be adjusted according to different sizes, resulting in unstable clamping, which may cause shaking and scratches, affecting service life and versatility.
A hoisting device for a cutter ring, comprising a C-shaped plate, a clamping lever, an adjusting mechanism, and a buffering mechanism, was designed. The adjusting mechanism ensures that the clamping blocks fit tightly against the edge of the cutter ring, providing uniform clamping force, while the buffering mechanism prevents scratches and damage.
It enables stable hoisting of hobbing cutter rings of different sizes, improves the versatility and economy of the device, protects the cutter ring surface from damage, and extends its service life.
Smart Images
Figure CN224062284U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hoist technology field especially relates to a hob cutter ring hoist device. BACKGROUND
[0002] The hob cutter ring is a key cutter part of large underground engineering construction equipment such as tunnel boring machine (TBM), shield machine etc. It is generally annular, and the outer circumferential part is inlaid with wear-resistant materials such as hard alloy, in the tunnel boring process, the hob cutter ring breaks rock through extrusion and rolling pressure with rock, so as to realize the excavation of tunnel, the hob cutter ring is usually heavy, and the size is also large. If there is no special hoist device, accidents such as sliding and collision are prone to occur in the carrying process, and the outer circumference of the hob cutter ring has precise hard alloy structure, and these structures are crucial to the cutting performance of the cutter ring. If the cutter ring is collided, extruded or improperly placed during the carrying process, the hard alloy may be damaged, affecting the service life and boring efficiency of the cutter ring, so a hob cutter ring hoist device is needed.
[0003] Chinese patent publication No. CN215479203U discloses a tunnel boring machine hob and cutter ring hoist device, which comprises a hexagon bolt, a lifting lug and a clamping mechanism sleeved on the hexagon bolt screw rod, and a lock nut threaded on the hexagon bolt. The utility model has the advantages of simple structure, high practicability, high carrying efficiency, high stability, high safety, reduced labor intensity of workers and saved labor cost.
[0004] However, the above-mentioned patent document still has the following defects in the implementation process.
[0005] Although the above-mentioned patent document equipment can hoist the hob cutter ring, it cannot hoist hob cutter rings of different sizes during use, cannot make the clamping block closely fit the edge of the cutter ring, provide uniform and stable clamping force, may cause the cutter ring to shake, tilt and other unstable conditions during hoisting, reduce the versatility and economy of the device, and cannot buffer the edge of the cutter ring during hoisting of the hob cutter ring, which may easily cause scratches, indentations and other damage on the surface of the cutter ring, thereby reducing the service life of the cutter ring. UTILITY MODEL CONTENTS
[0006] The main purpose of the utility model is to provide a hob cutter ring hoist device, which can effectively solve the problem of non-adjustment.
[0007] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0008] A kind of hob ring hoisting device, including C-shaped plate, the front end and rear end of the outer surface of the C-shaped plate are equipped with clamping lever, the upper side of the middle part of the clamping lever is fixedly connected with lifting ring, the left end and the right end of the clamping lever are fixedly connected with adjusting mechanism, the lower end of two adjusting mechanisms is fixedly connected with clamping mechanism.
[0009] Preferably, the adjusting mechanism includes several positioning plates, the left end and the right end of the clamping lever are fixedly connected with several positioning plates, the outer surface of several positioning plates is evenly provided with several pin holes in rectangular distribution, the outer surface of the two positioning plates located on the left side and the two positioning plates located on the right side are slidably connected with sliding box.
[0010] Preferably, the middle part of the inner cavity of the sliding box is fixedly connected with baffle plate on the front side and the rear side, the middle part of the front wall and the rear wall of the inner cavity of the sliding box is slidably connected with pin column, the end of the two pin columns away from each other is extended to the outside through the inner wall of the same side of the sliding box and is slidably connected in the inner cavity of the same side of the pin hole, the end of the two pin columns close to each other is fixedly connected with spring one, the end of the two spring ones close to each other is fixedly connected with the end of the two baffle plates away from each other, the middle part of the left wall of the inner cavity of the sliding box is fixedly connected with guide rod on the front side and the rear side, the middle part of the end of the two pin columns close to each other is fixedly connected with rope, the end of the two ropes close to each other is extended to the outside through the inner part of the same side of the spring one and the outer surface of the same side of the baffle plate in sequence.
[0011] Preferably, the two guide rods are located between the two baffle plates, the end of the two ropes close to each other is wound and connected to the outer surface of the same side of the guide rod and is extended to the outside through the upper wall of the sliding box, and the lower end of the sliding box is fixedly connected with mounting plate.
[0012] Preferably, the clamping mechanism includes two fixed plates, the lower end of two mounting plates is fixedly connected with two fixed plates, the side away from each other of the inner cavity of the two fixed plates is fixedly connected with several buffer mechanisms in rectangular distribution, the left end of the several buffer mechanisms located on the left side and the right end of the several buffer mechanisms located on the right side are fixedly connected with rubber plate, and the lower end of the two fixed plates is fixedly connected with clasp.
[0013] Preferably, the two clasps are inclined.
[0014] Preferably, the buffer mechanism includes fixed cylinder, the inner cavity right wall of the fixed cylinder is fixedly connected with spring two, and the right end of the spring two is fixedly connected with T-shaped column.
[0015] Compared with the prior art, the hob ring hoisting device has the following beneficial effects:
[0016] 1. The utility model discloses a adjusting mechanism can be hoisted according to the different size of hob ring in the use process, can make the edge of the clamp block can closely adhere to the ring, provide uniform and stable clamping force, will not make the ring appear in the hoisting process, such as instability conditions, such as shaking, tilting, increase the versatility and economy of device.
[0017] 2. The utility model discloses a buffer mechanism can be hoisted in the process to the hob ring in the use process, buffer to the ring edge, will not easily produce scratch, indentation and other damage on the surface of the ring due to the action of clamping force, thereby improving the service life of the ring. ACCURACY OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the adjusting mechanism section structure schematic diagram of the utility model;
[0020] Figure 3 It is the buffer mechanism section structure schematic diagram of the utility model;
[0021] Figure 4 It is the Figure 3 It is the schematic diagram of another angle view of the whole structure of the utility model;
[0022] Figure 5 It is the whole structure schematic diagram of the utility model from another angle.
[0023] In the drawing: 1, C-shaped plate; 2, lifting ring; 3, clamping lever; 4, adjusting mechanism; 41, positioning plate; 42, pin hole; 43, sliding box; 44, pin column; 45, spring one; 46, partition; 47, rope; 48, mounting plate; 49, guide rod; 5, clamping mechanism; 51, fixed plate; 52, hook; 53, buffer mechanism; 531, fixed cylinder; 532, spring two; 533, T-shaped column; 54, rubber plate. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0025] As Figure 1 Shown, a kind of hob ring hoisting device, including C-shaped plate 1, the C-shaped plate 1 outer surface front end and rear end are equipped with clamping lever 3, the clamping lever 3 middle part upper side is fixedly connected with lifting ring 2, the clamping lever 3 left end and right end are fixedly connected with adjusting mechanism 4, two adjusting mechanism 4 lower ends are fixedly connected with clamping mechanism 5.
[0026] The specific structure of the clamping lever 3 is composed of a connecting rod, a lever and a pin shaft, is combined into a scissor-shaped structure through the pin shaft, is gradually closed by pulling the connecting rod in the clamping lever 3 when the lifting ring 2 is lifted, and the hob ring can be clamped.
[0027] In the specific implementation process of the utility model, first, the external crane is connected with the lifting ring 2, then the internal structure of the adjusting mechanism 4 is adjusted according to the size of the hob ring to be hoisted, the hob ring can be closely attached to the edge of the hob ring, uniform and stable clamping force is provided, then the lifting ring 2 is lifted upward by the crane, the connecting rod in the clamping lever 3 is pulled by the lifting ring 2, the two adjusting mechanisms 4 gradually approach each other, and the two clamping mechanisms 5 approach each other to clamp the hob ring, the edge of the hob ring can be buffered by the internal structure of the clamping mechanism 5, and no scratches, indentations or other damages are caused on the surface of the hob ring due to the clamping force, thereby effectively protecting the hob ring during hoisting.
[0028] Specifically, in order to achieve the purpose of adjusting the hob ring of different sizes, reference Figure 2 In the scheme, the adjusting mechanism 4 comprises a plurality of positioning plates 41, the plurality of positioning plates 41 are fixedly connected to the left end and the right end of the clamping lever 3 respectively, a plurality of pin holes 42 are arranged on the outer surfaces of the plurality of positioning plates 41 in a rectangular distribution, and a sliding box 43 is slidably connected to the outer surfaces of the two positioning plates 41 on the left side and the two positioning plates 41 on the right side.
[0029] Further, the middle part of the front side and the middle part of the rear side in the inner cavity of the sliding box 43 are fixedly connected with a partition plate 46, the middle parts of the front wall and the rear wall in the inner cavity of the sliding box 43 are slidably connected with a pin column 44, the ends of the two pin columns 44 away from each other are extended to the outside through the inner wall of the same side of the sliding box 43 and are slidably connected in the inner cavity of the same side of the pin hole 42, the ends of the two pin columns 44 close to each other are fixedly connected with a spring 45, the ends of the two springs 45 close to each other are fixedly connected to the ends of the two partition plates 46 away from each other respectively, the middle parts of the front side and the rear side of the left wall in the inner cavity of the sliding box 43 are fixedly connected with a guide rod 49, the middle parts of the ends of the two pin columns 44 close to each other are fixedly connected with a rope 47, and the ends of the two ropes 47 close to each other are extended to the outside through the inner part of the same side of the spring 45 and the outer surface of the same side of the partition plate 46 in sequence.
[0030] Further, the two guide rods 49 are located between the two partition plates 46, the ends of the two ropes 47 close to each other are wound and connected to the outer surfaces of the same side of the guide rod 49 and are extended to the outside through the upper wall of the sliding box 43, and the lower end of the sliding box 43 is fixedly connected with a mounting plate 48.
[0031] When the distance of clamping the knife ring needs to be adjusted according to the size of the knife ring, the operator pulls the pull ring at the upper end of the sliding box 43 upward, so that the pull ring pulls the two ropes 47 upward at the same time, and then the ropes 47 pull the pin column 44 away from the inner cavity of the pin hole 42 through the guide rod 49, so that the sliding box 43 can slide on the surface of the positioning plate 41 to adjust the distance.
[0032] Then when the sliding box 43 slides on the surface of the positioning plate 41 to the appropriate position, the hand pulling the pull ring is released, and the pin column 44 is pushed into the inner cavity of the corresponding pin hole 42 to be fixed under the action of the spring 45, so as to achieve the purpose of adjusting the distance.
[0033] Specifically, in order to achieve the purpose of buffering the knife ring during hoisting, with reference to Figure 3 and Figure 4 In the scheme, the clamping mechanism 5 includes two fixed plates 51, and the two fixed plates 51 are fixedly connected to the lower ends of the two mounting plates 48. A plurality of buffer mechanisms 53 are fixedly connected to the inner cavities of the two fixed plates 51 away from each other on one side in a rectangular distribution. The left end of the plurality of buffer mechanisms 53 on the left side and the right end of the plurality of buffer mechanisms 53 on the right side are both fixedly connected with rubber plates 54. The lower ends of the two fixed plates 51 are both fixedly connected with clamping hooks 52.
[0034] Further, the two clamping hooks 52 are both inclined.
[0035] In the above, when the two rubber plates 54 are brought close to each other by the clamping lever 3, the material of the two rubber plates 54 can effectively protect the edge of the knife ring, so that it will not be damaged by scratches, indentations, etc. on the surface of the knife ring under the action of clamping force during hoisting. The two clamping hooks 52 can hook the inner side of the knife ring during clamping of the knife ring, so that the knife ring will not tilt during hoisting.
[0036] Further, the buffer mechanism 53 includes a fixed cylinder 531, and the fixed cylinder 531 is fixedly connected to the inner cavity right wall of the right fixed plate 51. The inner cavity right wall of the fixed cylinder 531 is fixedly connected with a spring 532, and the right end of the spring 532 is fixedly connected with a T-shaped column 533.
[0037] In the above, when the rubber plate 54 contacts the surface of the knife ring, the rubber plate 54 extrudes the T-shaped column 533 to slide into the inner cavity of the fixed cylinder 531, so that the T-shaped column 533 extrudes the spring 532 to deform the spring 532. The spring 532 pushes the T-shaped column 533 to approach the knife ring, so as to achieve the purpose of buffering the knife ring during hoisting.
[0038] It needs to be specially pointed out that the specific installation mode and connection mode and control method of the clamping lever 3 used in the utility model are all conventional designs, and the utility model will not be described in detail.
[0039] The working principle of the utility model is that: firstly, the external crane is connected with the lifting ring 2, then the internal structure of the adjusting mechanism 4 is adjusted according to the size of the cutter ring to be hoisted, the clamping mechanism 5 can be tightly attached to the edge of the cutter ring, and uniform and stable clamping force is provided, then the lifting ring 2 is lifted upward by the crane, the connecting rod inside the clamping lever 3 is pulled by the lifting ring 2 to move, the two adjusting mechanisms 4 gradually approach each other, and then drive the two clamping mechanisms 5 to approach each other to clamp the cutter ring, and the edge of the cutter ring can be buffered by the internal structure of the clamping mechanism 5, and no scratches, indentations and other damages will be caused on the surface of the cutter ring due to the clamping force, effectively protecting the cutter ring during hoisting.
[0040] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A hoisting device for a roller cutter ring, comprising a C-shaped plate (1), characterized in that: The front end and the rear end of the outer surface of the C-shaped plate (1) are provided with clamping levers (3), the upper middle part of the clamping levers (3) is fixedly connected with eye rings (2), the left end and the right end of the clamping levers (3) are fixedly connected with adjusting mechanisms (4), and the lower ends of the two adjusting mechanisms (4) are fixedly connected with clamping mechanisms (5).
2. A hoist device for a roller cutter ring as defined in claim 1, wherein: The adjusting mechanism (4) comprises a plurality of positioning plates (41), the left end and the right end of the clamping lever (3) are fixedly connected with the positioning plates (41) respectively, a plurality of pin holes (42) are arranged in a rectangular distribution on the outer surface of the positioning plates (41), and the outer surfaces of the two positioning plates (41) on the left and the two positioning plates (41) on the right are slidably connected with a sliding box (43).
3. A hoist device for a roller cutter ring as defined in claim 2, wherein: The middle part of the inner cavity of the sliding box (43) is fixedly connected with a baffle (46) on the front side and the rear side, the middle part of the front wall and the rear wall of the inner cavity of the sliding box (43) is slidably connected with a pin column (44), the ends of the pin columns (44) away from each other are extended to the outside through the inner wall of the sliding box (43) on the same side and are slidably connected in the inner cavity of the pin hole (42) on the same side, the ends of the pin columns (44) close to each other are fixedly connected with springs (45), the ends of the springs (45) close to each other are fixedly connected to the ends of the baffles (46) away from each other respectively, the middle part of the left wall of the inner cavity of the sliding box (43) is fixedly connected with a guide rod (49) on the front side and the rear side, the middle part of the end of the pin column (44) close to each other is fixedly connected with a rope (47), and the ends of the ropes (47) close to each other are extended to the outside through the inside of the spring (45) on the same side and the outer surface of the baffle (46) on the same side in sequence.
4. A hoist device for a roller cutter ring as defined in claim 3, wherein: The guide rods (49) are located between the baffles (46), the ends of the ropes (47) close to each other are wound and connected to the outer surface of the guide rod (49) on the same side and are extended to the outside through the upper wall of the sliding box (43), and the lower end of the sliding box (43) is fixedly connected with a mounting plate (48).
5. A hoist device for a roller cutter ring as defined in claim 4, wherein: The clamping mechanism (5) comprises two fixed plates (51), the lower ends of the two fixed plates (51) are fixedly connected with the two mounting plates (48) respectively, the inner cavities of the two fixed plates (51) are fixedly connected with a plurality of buffer mechanisms (53) on the sides away from each other in a rectangular distribution, the left end of the buffer mechanism (53) on the left side and the right end of the buffer mechanism (53) on the right side are fixedly connected with rubber plates (54) together, and the lower ends of the two fixed plates (51) are fixedly connected with clamping hooks (52).
6. A hoist device for a roller cutter ring as defined in claim 5, wherein: The clamping hooks (52) are inclined.
7. The hoist device for a roller cutter ring according to claim 5, characterized in that: The buffer mechanism (53) comprises a fixed cylinder (531), the fixed cylinder (531) is fixedly connected to the right wall of the inner cavity of the right fixed plate (51), the right wall of the inner cavity of the fixed cylinder (531) is fixedly connected with a spring (532), and the right end of the spring (532) is fixedly connected with a T-shaped column (533).