CN220267699U - Shield cutter with strong wear resistance of parent metal - Google Patents
Shield cutter with strong wear resistance of parent metal Download PDFInfo
- Publication number
- CN220267699U CN220267699U CN202321869877.5U CN202321869877U CN220267699U CN 220267699 U CN220267699 U CN 220267699U CN 202321869877 U CN202321869877 U CN 202321869877U CN 220267699 U CN220267699 U CN 220267699U
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- CN
- China
- Prior art keywords
- cutter
- connecting plate
- cutter body
- shield
- parent metal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a shield cutter with strong wear resistance of a parent metal, which relates to the technical field of shield cutters and specifically comprises a first cutter body, wherein the top of the first cutter body is provided with a second cutter body, the first cutter body is welded on an external cutter frame, one side of the first cutter body is provided with a connecting plate, the connecting plate is fixed on the first cutter body through a connecting mechanism, the edge of one side of the connecting plate is equidistantly provided with a plurality of cutter heads, the cutter heads are in one-to-one correspondence with limit grooves, one side of each cutter head extends into the limit groove, the top working surface of each cutter head extends out of the limit groove, the connecting mechanism comprises a plurality of containing grooves which are equidistantly arranged on the side surface of the connecting plate, and the end parts of the containing grooves are provided with mounting holes. This application can be fixed the connecting plate on first cutter body through fastening bolt, and then fix the tool bit on the second cutter body, after the tool bit wearing and tearing, only need pull down the tool bit from the second cutter body change can, need not to change whole cutter, improvement result of use.
Description
Technical Field
The utility model relates to the technical field of shield cutters, in particular to a shield cutter with strong wear resistance of a parent metal.
Background
The shield tunneling machine is a tunnel tunneling machine using a shield tunneling method, and is generally divided into a hand tunneling type shield, an extrusion type shield, a semi-mechanical type shield, a mechanical type shield and the like according to the working principle, wherein the cutter head is controlled to rotate, and meanwhile, the cutter head is pushed to move through hydraulic equipment, so that a cutter on the cutter head is contacted with soil or rock, and tunnel excavation is performed.
The existing shield cutter is generally fixed on a cutter head directly through a fixing mechanism, in the using process, the cutter head part of the cutter is generally contacted with soil or rock, the soil or rock is cut, the cutter head is easy to wear, when the cutter head is worn and needs to be replaced, a worker generally removes the whole cutter from the cutter head, and then the whole cutter is replaced, so that the waste of materials can be caused, the using effect is poor, and therefore, the shield cutter with strong wear resistance of a base metal is provided.
Disclosure of Invention
Aiming at the defects of the existing shield cutter, the utility model provides the shield cutter with strong wear resistance of the parent metal, which has the advantages that the worn cutter head can be independently disassembled for replacement without replacing the whole cutter, and solves the problems in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the shield cutter with the strong wear resistance of the parent metal comprises a first cutter body, wherein the top of the first cutter body is provided with a second cutter body, and the first cutter body is welded on an external cutter rest;
a connecting plate is arranged on one side of the first cutter body, the connecting plate is fixed on the first cutter body through a connecting mechanism, a plurality of cutter heads are mounted on the edge of one side of the connecting plate at equal intervals, the cutter heads are in one-to-one correspondence with the limiting grooves, one side of each cutter head extends into the limiting groove, and the top working surface of each cutter head extends out of the limiting groove.
Optionally, the coupling mechanism includes that the equidistance is offered a plurality of holding tanks in the connecting plate side, and the mounting hole has been seted up to the holding tank tip, and the mounting hole runs through the connecting plate, is equipped with fastening bolt in the mounting hole, and a plurality of screw holes have been offered to one side equidistance that the first cutter body is close to the connecting plate, screw hole and mounting hole one-to-one, and fastening bolt's one end runs through the mounting hole and with screw hole threaded connection.
Optionally, a plurality of wear-resistant balls are arranged on the top working surface of the cutter head at equal intervals, and the cutter head and the wear-resistant balls are made of high manganese alloy.
Optionally, a limit frame is installed at the edge of one side of the first cutter body, which is close to the connecting plate, the limit frame is sleeved on the connecting plate, and the inner surface of the limit frame is contacted with the side surface of the connecting plate.
Optionally, the spacing groove cross section is positive trapezium structure, and the tool bit cross section is the trapezoidal structure of falling, and the tool bit both sides all with spacing groove side in close contact.
Optionally, an elastic gasket is sleeved on each fastening bolt, the elastic gaskets are located in the accommodating grooves, and the end parts of the fastening bolts are contacted with the elastic gaskets.
Compared with the prior art, when the cutter head is used, the connecting plate can be fixed on the first cutter body through the fastening bolt, the cutter head is further fixed on the second cutter body, and after the cutter head is worn, the cutter head is only required to be detached from the second cutter body for replacement, so that the whole cutter is not required to be replaced, and the use effect is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the tool bit and the connecting plate of the present utility model.
Fig. 3 is a schematic structural view of a first cutter body and a second cutter body according to the present utility model.
In the figure: 1. a first cutter body; 2. a second cutter body; 3. a limit groove; 4. a connecting plate; 5. a cutter head; 6. wear-resistant balls; 7. a receiving groove; 8. a mounting hole; 9. a threaded hole; 10. a fastening bolt; 11. a limit frame; 12. an elastic gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution: the shield cutter with strong wear resistance of the parent metal comprises a first cutter body 1, wherein a second cutter body 2 is arranged at the top of the first cutter body 1, the first cutter body 1 is fixed on an external cutter frame, the first cutter body 1 can be connected with the external cutter frame through welding, and a cutter head 5 can be fixed on the external cutter frame, so that the shield cutter is convenient to use;
as shown in fig. 1 and 2, a connecting plate 4 is arranged on one side of the first cutter body 1, the connecting plate 4 is fixed on the first cutter body 1 through a connecting mechanism, a plurality of cutter heads 5 are installed on one side edge of the connecting plate 4 at equal intervals, the cutter heads 5 are in one-to-one correspondence with the limiting grooves 3, one side of each cutter head 5 extends into the limiting groove 3, the top working surface of each cutter head 5 extends out of the limiting groove 3, the connecting plate 4 is fixed on the first cutter body 1 through the cooperation of the cutter heads 5 and the limiting grooves 3, and when the cutter heads 5 are worn, the cutter heads 5 and the limiting grooves 3 can be separated only by detaching the connecting plate 4 from the first cutter body 1, replacement is omitted, and the use effect is improved.
As shown in fig. 1, the connecting mechanism comprises a plurality of accommodating grooves 7 which are equidistantly formed in the side face of the connecting plate 4, mounting holes 8 are formed in the end portions of the accommodating grooves 7, the mounting holes 8 penetrate through the connecting plate 4, fastening bolts 10 are arranged in the mounting holes 8, a plurality of threaded holes 9 are formed in one side, close to the connecting plate 4, of the first cutter body 1 in an equidistant mode, the threaded holes 9 are in one-to-one correspondence with the mounting holes 8, one ends of the fastening bolts 10 penetrate through the mounting holes 8 and are in threaded connection with the threaded holes 9, during installation, the fastening bolts 10 are inserted into the mounting holes 8, the fastening bolts 10 are abutted against the end portions of the threaded holes 9, then the fastening bolts 10 are rotated, the connecting plate 4 can be fixed on the first cutter body 1 through the threaded holes 9, and then installation of the cutter head 5 is completed, and the installation is stable.
As shown in fig. 1 and 2, a plurality of wear-resistant balls 6 are arranged on the top working surface of the tool bit 5 at equal intervals, the tool bit 5 and the wear-resistant balls 6 are made of high manganese alloy, so that the wear resistance of the tool bit 5 and the wear-resistant balls 6 can be prolonged, and the service life of the tool bit 5 can be prolonged.
As shown in fig. 1 and 3, a limit frame 11 is installed at the edge of one side of the first cutter body 1, which is close to the connecting plate 4, the limit frame 11 is sleeved on the connecting plate 4, the inner surface of the limit frame 11 is contacted with the side surface of the connecting plate 4, and the connecting plate 4 can be limited through the limit frame 11, so that the connection strength of the connecting plate 4 is improved, and the installation effect is improved.
As shown in fig. 1, fig. 2 and fig. 3, the cross section of the limiting groove 3 is of a positive trapezoid structure, the cross section of the cutter head 5 is of an inverted trapezoid structure, two sides of the cutter head 5 are in tight contact with the side face of the limiting groove 3, stability of the cutter head 5 can be improved through cooperation of the limiting groove 3 and the cutter head 5, severe vibration of the cutter head 5 during stone cutting is avoided, abrasion speed of the cutter head 5 is further slowed down, and using effect is improved.
As shown in fig. 1 and 2, each fastening bolt 10 is sleeved with an elastic spacer 12, the elastic spacers 12 are located in the accommodating grooves 7, the ends of the fastening bolts 10 are in contact with the elastic spacers 12, and the connection stability of the fastening bolts 10 can be improved through the elastic spacers 12 to prevent the fastening bolts 10 from loosening.
In summary, this shield cutter that parent metal wearability is strong, when tool bit 5 takes place wearing and tearing, the staff rotates fastening bolt 10, remove fastening bolt 10 from screw hole 9, then through instrument pulling connecting plate 4, connecting plate 4 drives tool bit 5 and removes, remove tool bit 5 from spacing inslot 3, can dismantle tool bit 5, then align new tool bit 5 with spacing inslot 3, promote connecting plate 4, make tool bit 5 move into spacing inslot 3, make simultaneously that mounting hole 8 on connecting plate 4 aligns with screw hole 9 on the first cutter body 1, when connecting plate 4 contacts first cutter body 1, insert fastening bolt 10 again in mounting hole 8, and screw in fastening bolt 10 screw hole 9, fix connecting plate 4 on first cutter body 1, and then accomplish the change of tool bit 5, need not to change whole cutter, improve the result of use.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a shield cutter that parent metal wearability is strong, includes first cutter body (1), its characterized in that: the second cutter body (2) is arranged at the top of the first cutter body (1), and the first cutter body (1) is welded on an external cutter rest;
a connecting plate (4) is arranged on one side of the first cutter body (1), the connecting plate (4) is fixed on the first cutter body (1) through a connecting mechanism, a plurality of cutter heads (5) are mounted on one side edge of the connecting plate (4) at equal intervals, the cutter heads (5) are in one-to-one correspondence with the limiting grooves (3), one side of each cutter head (5) extends into each limiting groove (3), and the top working surface of each cutter head (5) extends out of each limiting groove (3).
2. The shield cutter with strong wear resistance of the parent metal according to claim 1, wherein: the coupling mechanism is including equidistance seting up a plurality of holding tanks (7) in connecting plate (4) side, mounting hole (8) have been seted up to holding tank (7) tip, mounting hole (8) run through connecting plate (4), be equipped with fastening bolt (10) in mounting hole (8), a plurality of screw holes (9) have been seted up to one side equidistance that first cutter body (1) is close to connecting plate (4), screw hole (9) and mounting hole (8) one-to-one, and the one end of fastening bolt (10) runs through mounting hole (8) and with screw hole (9) threaded connection.
3. The shield cutter with strong wear resistance of the parent metal according to claim 1, wherein: a plurality of wear-resistant balls (6) are arranged on the top working surface of the tool bit (5) at equal intervals, and the tool bit (5) and the wear-resistant balls (6) are made of high manganese alloy.
4. The shield cutter with strong wear resistance of the parent metal according to claim 1, wherein: a limit frame (11) is arranged at the edge of one side of the first cutter body (1) close to the connecting plate (4), the limit frame (11) is sleeved on the connecting plate (4), and the inner surface of the limit frame (11) is contacted with the side surface of the connecting plate (4).
5. The shield cutter with strong wear resistance of the parent metal according to claim 1, wherein: the cross section of the limiting groove (3) is of a positive trapezoid structure, the cross section of the cutter head (5) is of an inverted trapezoid structure, and two sides of the cutter head (5) are in close contact with the side face of the limiting groove (3).
6. The shield cutter with strong wear resistance of the parent metal according to claim 1, wherein: an elastic gasket (12) is sleeved on each fastening bolt (10), the elastic gasket (12) is positioned in the accommodating groove (7), and the end part of each fastening bolt (10) is contacted with the elastic gasket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321869877.5U CN220267699U (en) | 2023-07-17 | 2023-07-17 | Shield cutter with strong wear resistance of parent metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321869877.5U CN220267699U (en) | 2023-07-17 | 2023-07-17 | Shield cutter with strong wear resistance of parent metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267699U true CN220267699U (en) | 2023-12-29 |
Family
ID=89318973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321869877.5U Active CN220267699U (en) | 2023-07-17 | 2023-07-17 | Shield cutter with strong wear resistance of parent metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267699U (en) |
-
2023
- 2023-07-17 CN CN202321869877.5U patent/CN220267699U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |