CN208330380U - A kind of improved shield tearing cutter - Google Patents
A kind of improved shield tearing cutter Download PDFInfo
- Publication number
- CN208330380U CN208330380U CN201820798081.8U CN201820798081U CN208330380U CN 208330380 U CN208330380 U CN 208330380U CN 201820798081 U CN201820798081 U CN 201820798081U CN 208330380 U CN208330380 U CN 208330380U
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- Prior art keywords
- cutter
- tearing
- knife
- cutterhead
- bar
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Abstract
The utility model discloses a kind of improved shields to tear cutter, including cutterhead, knife handle and installation axle, scraper is provided on the outside of the cutterhead, the scraper is welded and fixed with the cutterhead, the front surface of the cutterhead is provided with knife bar, the knife bar is detachably connected with the cutterhead, and the knife bar is internally provided with tearing cutter, and the tearing cutter is detachably connected with the knife bar；It is mounted on tearing cutter by convex blade peace blade, not only strengthen the working efficiency of tearing cutter, improve the use intensity of tearing cutter, and reduce the abrasion of tearing cutter, extend tearing cutting-tool's used life, and blade removal installation operation difficulty is low, it is economical and practical, pass through the reinforcing rib bar being equipped in knife handle, further strengthen the structural strength of tearing cutter, the performance of the resistance to collision of tearing cutter in use can be effectively increased, it is ensured that tear the working efficiency for normally making and ensuring shield machine of cutter.
Description
Technical field
The utility model belongs to shield machine accessory technical field, and in particular to a kind of improved shield tearing cutter.
Background technique
Shield machine is a kind of rock tunnel(ling) machine using shield method.The construction method of shield is development machine structure while driving
It builds laying tunnel its " shield " and refers to supportive section of jurisdiction, it is different from open type construction method.
Original shield tearing cutter still has several drawbacks place, and tearing cutter is easy to be ground in use
Damage, and cutter changing trouble, disassembly is time-consuming and laborious, brings inconvenience for user's use.
Utility model content
The purpose of this utility model is to provide a kind of improved shields to tear cutter, to solve to mention in above-mentioned background technique
Original shield tearing cutter out still has several drawbacks place, and tearing cutter is easy to be worn in use, and
Cutter changing trouble, disassembly is time-consuming and laborious, uses for user and brings inconvenient problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of improved shield tearing cutter, including
Cutterhead, knife handle and installation axle are provided with scraper on the outside of the cutterhead, and the scraper is welded and fixed with the cutterhead, the knife
The front surface of disk is provided with knife bar, and the knife bar is detachably connected with the cutterhead, and the knife bar is internally provided with tearing cutter,
The tearing cutter is detachably connected with the knife bar, hobboing cutter is provided with above the knife bar, the hobboing cutter and the cutterhead can
Dismantling connection, the knife handle are mounted on the inside of the tearing cutter, and the knife handle is fixedly connected with the tearing cutter, the knife handle
Lower section be provided with reinforcing rib bar, the reinforcing rib bar is fixedly connected with the tearing cutter, and the top of the knife handle is provided with flat
Blade, the flat cutter piece are detachably connected with the tearing cutter, and the flat cutter piece is provided with the junction of the knife handle to be connect
Bolt, the coupling bar are fixedly connected with the flat cutter piece, and run through the knife handle, are provided with convex knife on the left of the flat cutter piece
Piece, the convex blade are detachably connected with the tearing cutter, are provided with mounting ring, the peace below the front surface of the tearing cutter
Dress ring is detachably connected with the tearing cutter, and the installation axle is mounted on the bottom end of the convex blade, the installation axle with it is described
Convex blade is detachably connected, and runs through the convex blade, and the surface of the installation axle is provided with connection strip, the connection strip
It is welded and fixed with the installation axle
Preferably, the convex blade is fixedly connected with the tearing cutter by the installation axle.
The preferred tearing cutter is fixedly connected with the cutterhead by the knife bar.
Preferably, the flat cutter piece is fixedly connected with the tearing cutter by the coupling bar.
Preferably, the reinforcing rib bar and the knife handle are integrally formed.
Compared with prior art, the utility model has the beneficial effects that a kind of improved shield tearing of the utility model
Cutter is mounted on tearing cutter by convex blade peace blade, is not only strengthened the working efficiency of tearing cutter, is improved tearing
The use intensity of cutter, and the abrasion of tearing cutter is reduced, tearing cutting-tool's used life is extended, and blade removal is pacified
It is low to fill operation difficulty, it is economical and practical, by the reinforcing rib bar being equipped in knife handle, the structural strength of tearing cutter is further strengthened,
Tearing cutter can be effectively increased in use, the performance for the resistance to collision that collides with hard rock, it is ensured that tearing cutter
The working efficiency for normally making and ensuring shield machine of tool.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the tearing cutter schematic cross-sectional view of the utility model；
Fig. 3 is the convex blade right side structural representation of the utility model；
In figure: 1, cutterhead；2, scraper；3, hobboing cutter；4, knife bar；5, tearing cutter；6, convex blade；7, flat cutter piece；8, coupling bar；
9, knife handle；10, reinforcing rib bar；11, mounting ring；12, strip is connected；13, installation axle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of improved shield tearing cutter, including knife
Disk 1, knife handle 9 and installation axle 13, the outside of cutterhead 1 are provided with scraper 2, and scraper 2 is welded and fixed with cutterhead 1, the front surface of cutterhead 1
It is provided with knife bar 4, knife bar 4 is detachably connected with cutterhead 1, and knife bar 4 is internally provided with tearing cutter 5, and tearing cutter 5 and knife bar 4 can
Dismantling connection, the top of knife bar 4 are provided with hobboing cutter 3, and hobboing cutter 3 is detachably connected with cutterhead 1, and knife handle 9 is mounted on the interior of tearing cutter 5
Portion, knife handle 9 are fixedly connected with tearing cutter 5, and the lower section of knife handle 9 is provided with reinforcing rib bar 10, and reinforcing rib bar 10 and tearing cutter 5 are fixed
Connection, the top of knife handle 9 are provided with flat cutter piece 7, and flat cutter piece 7 is detachably connected with tearing cutter 5, the connection of flat cutter piece 7 and knife handle 9
Place is provided with coupling bar 8, and coupling bar 8 is fixedly connected with flat cutter piece 7, and runs through knife handle 9, and the left side of flat cutter piece 7 is provided with convex knife
Piece 6, convex blade 6 are detachably connected with tearing cutter 5, are provided with mounting ring 11 below the front surface of tearing cutter 5, mounting ring 11 with tear
It splits knife 5 to be detachably connected, installation axle 13 is mounted on the bottom end of convex blade 6, and installation axle 13 is detachably connected with convex blade 6, and is passed through
Convex blade 6 is worn, the surface of installation axle 13 is provided with connection strip 12, and connection strip 12 is welded and fixed with installation axle 13.
In the present embodiment, by twisting installation axle 13, and promote to connect the release knife handle 9 of strip 12, then by installation axle
13 extractions, unload worn-out convex blade 6, after dismantling to convex blade 6, take notice of successively twisting flat cutter piece 7, promote flat cutter piece
8 Forced rotation of coupling bar that 7 inside are installed, and then promote flat cutter piece 7 to separate under disassembly with knife handle 9, and replaced, pass through knife
The reinforcing rib bar 10 being equipped with inside handle 9 further strengthens the structural strength of tearing cutter 5, it is ensured that the normal use of tearing cutter 5, and
Reduce its abrasion and operating cost.
Further, convex blade 6 is fixedly connected with tearing cutter 5 by installation axle 13.
In the present embodiment, convex blade 6 is fixed on the top of tearing cutter 5 by installation axle 13, passes through 13 side of installation axle
Just easy to operate and further right by the connection strip 12 of installation axle 13 with carrying out dismounting and change to having worn away convex blade 6
Convex blade 6 is fixed, it is ensured that the stability and normal use of convex blade 6.
Further, tearing cutter 5 is fixedly connected with cutterhead 1 by knife bar 4.
In the present embodiment, tearing cutter 5 is mounted on the front surface of cutterhead 1 by knife bar 4, by knife bar 4 by multiple groups tearing cutter 5
It carries out group leader to be connected in parallel, it is ensured that improve the working efficiency of tearing cutter 5 while the normal operation of shield machine.
Further, flat cutter piece 7 is fixedly connected with tearing cutter 5 by coupling bar 8.
In the present embodiment, flat cutter piece 7 is fixedly mounted on the surrounding of tearing cutter 5 by coupling bar 8, not only by flat cutter piece 7
The abrasion for reducing tearing cutter 5 also enhances its structural strength, extends the service life of tearing cutter 5 and improves tearing cutter 5
Working efficiency.
Further, reinforcing rib bar 10 and knife handle 9 are integrally formed.
In the present embodiment, reinforcing rib bar 10 is manufactured by die casting and is integrally formed with knife handle 9, inside knife handle 9
Equipped reinforcing rib bar 10 further strengthens the structural strength of tearing cutter 5, it is ensured that the normal use of tearing cutter 5, and reduce
It wears and operating cost.
The working principle and process for using of the utility model: after the utility model installs, in shield machine before use, according to
The secondary scraper 2 on cutterhead 1, hobboing cutter 3 and tearing cutter 5 check, it is ensured that its can normal use, when checking tearing cutter
When 5 abrasions are more serious, apparatus can be fetched, by twisting mounting ring 11, and then tearing cutter 5 is removed from knife bar 4, is then taken
Tearing cutter 5 is rinsed to clean, reuses tool by twisting installation axle 13, and promotes to connect the release knife handle of strip 12
9, then installation axle 13 is extracted out, unloads worn-out convex blade 6, after being dismantled to convex blade 6, takes notice of and successively twists flat cutter
Piece 7 promotes 8 Forced rotation of coupling bar installed inside flat cutter piece 7, and then flat cutter piece 7 is promoted to separate under disassembly with knife handle 9, and
It is replaced, then fetches the peaceful blade 7 of new convex blade 6 and successively install on meeting knife handle 9, it then will again by mounting ring 11
Tearing cutter 5 is fixed at knife bar 4, and the reinforcing rib bar 10 by being equipped with inside knife handle 9 further strengthens the knot of tearing cutter 5
Structure intensity, it is ensured that the normal use of tearing cutter 5, and its abrasion and operating cost are reduced, after the installation is completed to tearing cutter 5,
The operation that can be powered by shield machine can run operation.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of improved shield tears cutter, it is characterised in that: described including cutterhead (1), knife handle (9) and installation axle (13)
It is provided on the outside of cutterhead (1) scraper (2), the scraper (2) is welded and fixed with the cutterhead (1), the preceding table of the cutterhead (1)
Face is provided with knife bar (4), and the knife bar (4) is detachably connected with the cutterhead (1), and being internally provided with for knife bar (4) is torn
It splits knife (5), the tearing cutter (5) is detachably connected with the knife bar (4), hobboing cutter (3) are provided with above the knife bar (4),
The hobboing cutter (3) is detachably connected with the cutterhead (1), and the knife handle (9) is mounted on the inside of the tearing cutter (5), described
Knife handle (9) is fixedly connected with the tearing cutter (5), is provided with reinforcing rib bar (10), the reinforcing rib below the knife handle (9)
Bar (10) is fixedly connected with the tearing cutter (5), and the top of the knife handle (9) is provided with flat cutter piece (7), the flat cutter piece (7)
It being detachably connected with the tearing cutter (5), the junction of the flat cutter piece (7) and the knife handle (9) is provided with coupling bar (8),
The coupling bar (8) is fixedly connected with the flat cutter piece (7), and runs through the knife handle (9), sets on the left of the flat cutter piece (7)
It is equipped with convex blade (6), the convex blade (6) is detachably connected with the tearing cutter (5), under the front surface of the tearing cutter (5)
Side is provided with mounting ring (11), and the mounting ring (11) is detachably connected with the tearing cutter (5), installation axle (13) installation
In the bottom end of the convex blade (6), the installation axle (13) is detachably connected with the convex blade (6), and runs through the convex knife
Piece (6), the surface of the installation axle (13), which is provided with, connects strip (12), the connection strip (12) and the installation axle (13)
It is welded and fixed.
2. a kind of improved shield according to claim 1 tears cutter, it is characterised in that: the convex blade (6) and institute
Tearing cutter (5) is stated to be fixedly connected by the installation axle (13).
3. a kind of improved shield according to claim 1 tears cutter, it is characterised in that: the tearing cutter (5) and institute
Cutterhead (1) is stated to be fixedly connected by the knife bar (4).
4. a kind of improved shield according to claim 1 tears cutter, it is characterised in that: the flat cutter piece (7) and institute
Tearing cutter (5) are stated to be fixedly connected by the coupling bar (8).
5. a kind of improved shield according to claim 1 tears cutter, it is characterised in that: the reinforcing rib bar (10) with
The knife handle (9) is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820798081.8U CN208330380U (en) | 2018-05-28 | 2018-05-28 | A kind of improved shield tearing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820798081.8U CN208330380U (en) | 2018-05-28 | 2018-05-28 | A kind of improved shield tearing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330380U true CN208330380U (en) | 2019-01-04 |
Family
ID=64775566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820798081.8U Active CN208330380U (en) | 2018-05-28 | 2018-05-28 | A kind of improved shield tearing cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330380U (en) |
-
2018
- 2018-05-28 CN CN201820798081.8U patent/CN208330380U/en active Active
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