Shield cutter with base metal high in abrasion resistance

Abstract

The utility model relates to the technical field of wear-resistant shield cutters, and discloses a shield cutter with high base metal wear resistance, which comprises a cutter body, one side of the cutter body is fixedly connected with a wear-resistant mechanism, and a reinforcing mechanism is arranged in the cutter body; the abrasion-resistant mechanism comprises a first buffering cushion block, the first buffering cushion block is fixedly connected to one side of the cutter body, a first grinding cutter is arranged on the right side of the first buffering cushion block, first sliding strips are fixedly connected to the two ends of the left side of the first grinding cutter, a second buffering cushion block is arranged on the right side of the first grinding cutter, and a second grinding cutter is fixedly connected to the right side of the second buffering cushion block. Second sliding strips are fixedly connected to the two ends of the left side of the second grinding cutter, and third buffering cushion blocks are arranged on the right side of the second grinding cutter. According to the shield cutter with the base metal high in wear resistance, by arranging the wear-resisting mechanism, wear-resisting protection is conducted when the cutter body is used, the outer wear-resisting layer can be conveniently detached and taken down, and it is avoided that the outer wear-resisting layer naturally disengages into the cutter head and influences use of the cutter head.

Description

Technical Field

[0001] The utility model relates to the technical field of wear-resistant shield tooling, in particular to a shield tooling with a base material having strong wear resistance. Background Art

[0002] Shield cutters can be roughly divided into two categories according to their rock breaking methods: shield machine cutting cutters and shield machine roller cutters. The cutting principle is mainly that the cutters rely on extrusion to break rocks. They are generally used for excavation of rock tunnels and are generally used in subways, tunnels, urban pipelines and other projects.

[0003] According to patent number CN209444336U, a shield cutter with a base material with strong wear resistance is disclosed, which includes a shield cutter body, a mounting block, a primary cutter and a secondary cutter. Both ends of the shield cutter body are connected to the mounting block through a fixed seat, and a limiting hole is provided at one end of the mounting block. The primary cutter is fixed to one side of the top of the mounting block through the mounting seat.

[0004] The shield cutter with a highly wear-resistant base material can utilize a metal phosphorus layer, a ceramic fiber layer on the surface of the metal phosphorus layer, and a high manganese steel layer on the surface of the ceramic fiber layer to enhance wear resistance. However, in actual use, after the outer wear-resistant layer is used up, the naturally fallen parts are easy to fall into the cutter disc and cause a certain impact on the use of the cutter disc, so improvement is needed. Utility Model Content

[0005] The utility model aims to provide a shield cutter with a base material having strong wear resistance, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a shield tool with a base material having strong wear resistance, comprising a tool body, a wear-resistant mechanism is fixedly connected to one side of the tool body, and a reinforcement mechanism is arranged inside the tool body;

[0007] The wear-resistant mechanism includes a first buffer pad, which is fixedly connected to one side of the tool body, a first grinder is arranged on the right side of the first buffer pad, and first slide bars are fixedly connected to the two ends of the left side of the first grinder, a second buffer pad is arranged on the right side of the first grinder, a second grinder is fixedly connected to the right side of the second buffer pad, and second slide bars are fixedly connected to the two ends of the left side of the second grinder, a third buffer pad is arranged on the right side of the second grinder, a third grinder is fixedly connected to the right side of the third buffer pad, and third slide bars are fixedly connected to the two ends of the left side of the third grinder.

[0008] Preferably, a first slide groove is provided on the right side of the first grinder, the second slide bar surface is slidably connected to the inside of the first slide groove, a second slide groove is provided on the right side of the second grinder, and the third slide bar surface is slidably connected to the inside of the second slide groove, so that the first slide groove and the second slide groove can be used to limit and reinforce the second grinder and the third grinder.

[0009] Preferably, a slide groove is opened inside the right side of the tool body, and the surface of the first slide bar is slidably connected to the inside of the slide groove, so that the first slide bar can slide inside the slide groove to facilitate the limiting and reinforcement of the first sharpener.

[0010] Preferably, the reinforcement mechanism includes a screw rod, which is threadedly connected to the left side of the tool body, the left end of the screw rod is fixedly connected to an adjustment block, the right end of the screw rod is rotatably connected to a clamping block, and bolts are respectively provided at both ends of the left side of the tool body.

[0011] Preferably, the first slide bar surface and the second slide bar surface are respectively provided with threaded holes, the third slide bar surface is provided with a threaded hole, and the bolt surface is threadedly connected to the inside of the threaded hole.

[0012] Preferably, the bottom of the first sharpener and the bottom of the second sharpener are both provided with a slot, and the bottom of the third sharpener is provided with a slot, and the surface size of the card block is smaller than the internal size of the slot, so that the card block can be easily inserted into different slots to fix the first sharpener, the second sharpener and the third sharpener.

[0013] Compared with the prior art, the utility model provides a shield cutter with a base material having strong wear resistance, which has the following beneficial effects:

[0014] 1. The shield tool with strong wear resistance of the base material can be equipped with a wear-resistant mechanism, and the bolts are pulled out from the inside of the tool body. Then, the third slide bar on one side of the third grinder is pulled out from the slot opened inside the second grinder, and the third grinder is removed, so that the second grinder can continue to work, and so on, thereby performing wear-resistant protection for the tool body during use, and facilitating the disassembly and removal of the outer wear-resistant layer to avoid natural detachment from the inside of the cutter disc and affecting the use of the cutter disc.

[0015] 2. The shield tool with strong wear resistance of the base material is reinforced by inserting the card block into the card slot at the bottom of the third grindstone through the set reinforcement mechanism. After the outermost third grindstone is removed, the adjusting block is rotated to drive the screw rod to rotate, and the card block is inserted into the card slot at the bottom of the second grindstone in turn for reinforcement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 This is a three-dimensional exploded view of the wear-resistant mechanism of the utility model;

[0019] Figure 3 This is a three-dimensional exploded view of the reinforcement mechanism of the utility model;

[0020] Figure 4 It is a three-dimensional cross-sectional view of the tool body of the utility model.

[0021] In the figure: 1. tool body; 2. wear-resistant mechanism; 21. first buffer block; 22. first grinder; 23. first slide bar; 24. second buffer block; 25. second grinder; 26. second slide bar; 27. third buffer block; 28. third grinder; 29. ​​third slide bar; 3. reinforcement mechanism; 31. screw rod; 32. adjustment block; 33. clamping block; 34. bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The utility model provides the following technical solutions:

[0025] Embodiment 1

[0026] Combination Figures 2 to 4, a shield tool with a base material having strong wear resistance, comprising a tool body 1, a wear-resistant mechanism 2 is fixedly connected to one side of the tool body 1, and a reinforcement mechanism 3 is arranged inside the tool body 1;

[0027] The wear-resistant mechanism 2 includes a first buffer pad 21, which is fixedly connected to one side of the tool body 1. A first grinder 22 is arranged on the right side of the first buffer pad 21, and first slide bars 23 are fixedly connected to the two ends of the left side of the first grinder 22. A second buffer pad 24 is arranged on the right side of the first grinder 22, and a second grinder 25 is fixedly connected to the right side of the second buffer pad 24. The second slide bars 26 are fixedly connected to the two ends of the left side of the second grinder 25. A third buffer pad 27 is arranged on the right side of the second grinder 25, and a third grinder 28 is fixedly connected to the right side of the third buffer pad 27. The third slide bars 29 are fixedly connected to the two ends of the left side of the third grinder 28. A first slide groove is opened on the right side of the first grinder 22, and the surface of the second slide bar 26 is slidably connected to the inside of the first slide groove. A second slide groove is opened on the right side of the second grinder 25, and the surface of the third slide bar 29 is slidably connected to the inside of the second slide groove.

[0028] Furthermore, a slide groove is opened inside the right side of the tool body 1, and the surface of the first slide bar 23 is slidably connected to the inside of the slide groove. The bolt 34 is pulled out from the inside of the tool body 1, and then the third slide bar 29 on one side of the third grinder 28 is pulled out from the slot opened inside the second grinder 25, and the third grinder 28 is removed, so that the second grinder 25 can continue to work, and so on, so as to perform wear-resistant protection for the tool body 1 when it is used, and facilitate the disassembly and removal of the outer wear-resistant layer to avoid natural detachment from the inside of the cutter disc and affect the use of the cutter disc.

[0029] Embodiment 2

[0030] See also Figure 1-4 On the basis of the first embodiment, the reinforcement mechanism 3 further comprises a screw rod 31, the screw rod 31 is threadedly connected to the left side of the tool body 1, the left end of the screw rod 31 is fixedly connected to the adjustment block 32, the right end of the screw rod 31 is rotatably connected to the clamping block 33, bolts 34 are respectively provided at both ends of the left side of the tool body 1, threaded holes are respectively opened on the surface of the first slide bar 23 and the surface of the second slide bar 26, and a threaded hole is opened on the surface of the third slide bar 29, and the surface of the bolt 34 is threadedly connected to the inside of the threaded hole.

[0031] Furthermore, a slot is provided at the bottom of the first grindstone 22 and the bottom of the second grindstone 25, and a slot is provided at the bottom of the third grindstone 28. The surface size of the block 33 is smaller than the internal size of the slot. The block 33 is inserted into the slot at the bottom of the third grindstone 28 for reinforcement. After the outermost third grindstone 28 is removed, the adjusting block 32 is rotated to drive the screw rod 31 to rotate, and the block 33 is inserted into the slot at the bottom of the second grindstone 25 in turn for reinforcement.

[0032] In actual operation, when the device is used, the tool body 1 needs to be used. At this time, during the use of the tool body 1, the outermost third grinder 28 is first worn, and then the second grinder 25 and the first grinder 22 are worn in turn. When the third grinder 28 is worn to a certain extent, it is no longer used and is replaced. At this time, the bolt 34 is pulled out from the inside of the tool body 1, and then the third slide bar 29 on one side of the third grinder 28 is pulled out from the slot provided in the second grinder 25, and the third grinder 28 is removed, and the bolt 34 of the corresponding length is replaced, so that the second grinder 25 can continue to work, and so on, so as to perform wear-resistant protection when the tool body 1 is used;

[0033] In addition, when the third grinder 28, the second grinder 25 and the first grinder 22 are in use, they need to be fixed in order to further reinforce them. At this time, when installing the third grinder 28, the second grinder 25 and the first grinder 22, the card block 33 is inserted into the card slot at the bottom of the third grinder 28 for reinforcement. After the outermost third grinder 28 is removed, the adjusting block 32 is rotated to drive the screw rod 31 to rotate, and the card block 33 is inserted into the card slot at the bottom of the second grinder 25 in turn for reinforcement.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A shield tool with a base material having strong wear resistance, comprising a tool body (1), characterized in that: A wear-resistant mechanism (2) is fixedly connected to one side of the tool body (1), and a reinforcement mechanism (3) is arranged inside the tool body (1); The wear-resistant mechanism (2) comprises a first buffer pad (21), the first buffer pad (21) being fixedly connected to one side of the tool body (1), a first grinder (22) being arranged on the right side of the first buffer pad (21), first slide bars (23) being fixedly connected to both ends of the left side of the first grinder (22), a second buffer pad (24) being arranged on the right side of the first grinder (22), a second grinder (25) being fixedly connected to the right side of the second buffer pad (24), second slide bars (26) being fixedly connected to both ends of the left side of the second grinder (25), a third buffer pad (27) being arranged on the right side of the second grinder (25), a third grinder (28) being fixedly connected to the right side of the third buffer pad (27), and third slide bars (29) being fixedly connected to both ends of the left side of the third grinder (28).

2. The shield tool with a base material having strong wear resistance according to claim 1, characterized in that: A first slide groove is provided on the right side of the first grinding knife (22), the surface of the second slide bar (26) is slidably connected to the inside of the first slide groove, a second slide groove is provided on the right side of the second grinding knife (25), and the surface of the third slide bar (29) is slidably connected to the inside of the second slide groove.

3. The shield tool with a base material having strong wear resistance according to claim 1, characterized in that: A sliding groove is provided inside the right side of the tool body (1), and the surface of the first sliding bar (23) is slidably connected to the inside of the sliding groove.

4. The shield tool with a base material having strong wear resistance according to claim 1, characterized in that: The reinforcing mechanism (3) comprises a screw rod (31), the screw rod (31) being threadedly connected to the left side of the tool body (1), the left end of the screw rod (31) being fixedly connected to an adjusting block (32), the right end of the screw rod (31) being rotatably connected to a clamping block (33), and bolts (34) being respectively provided at both ends of the left side of the tool body (1).

5. The shield tool with a base material having strong wear resistance according to claim 4, characterized in that: The surfaces of the first slide bar (23) and the second slide bar (26) are respectively provided with threaded holes, the surface of the third slide bar (29) is provided with a threaded hole, and the surface of the bolt (34) is threadedly connected to the inside of the threaded hole.

6. The shield tool with a base material having strong wear resistance according to claim 4, characterized in that: The bottom of the first grinder (22) and the bottom of the second grinder (25) are both provided with a slot, the bottom of the third grinder (28) is provided with a slot, and the surface size of the clamping block (33) is smaller than the internal size of the slot.

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