Novel TBM cutter ring

Abstract

The utility model discloses a novel TBM cutter ring which comprises a cutter ring base body, an outer cutter ring body, cutter grooves, cutter teeth, cutter tooth body placing grooves, grooves, bolts, threaded holes and abutting pressing plates, the outer cutter ring body is installed on the outer ring of the cutter ring base body, the cutter grooves are formed in the outer ring of the outer cutter ring body, the cutter tooth body placing grooves are formed in the positions, located at the cutter grooves, of the outer cutter ring body, and the grooves are formed in the outer ring of the outer cutter ring body. A cutter tooth body containing groove is formed in the outer cutter ring, cutter teeth are placed in the cutter tooth body containing groove, a groove and a threaded hole are formed in the outer cutter ring, a bolt is installed in the threaded hole in a threaded mode, an abutting plate is rotatably installed at one end of the bolt, and one side face of the abutting plate is attached to a lower tooth body of each cutter tooth. The problem that the whole cutter ring needs to be replaced when the radius of the cutter ring is abraded to be unqualified is solved, the replacement time and the maintenance cost of the cutter ring are reduced, and the influence on the tunnel construction period and the construction cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a novel TBM cutter ring technical field, concretely to a novel TBM cutter ring. BACKGROUND

[0002] Full face tunnel boring machine (TBM) is a special engineering machinery for tunnel boring, which has the advantages of safe excavation and lining, fast boring speed, automatic operation in the whole process of advancing, unearthing and assembling lining, low labor intensity, no influence on ground traffic and facilities, no influence on underground pipelines and other facilities, no influence on navigation when crossing river, no influence on construction by climate conditions such as season and weather, no noise and disturbance in construction, and has been widely used in tunnel engineering of railway, highway, municipal administration and water and electricity.

[0003] According to the search, the publication (announcement) number: CN113338982A discloses a tunnel boring machine cutter ring, a cutter and a boring machine comprising the cutter, the cutter ring is installed on the tunnel boring machine cutter, the cylindrical carbide cutter tooth is installed on the cutter ring of the outermost circumferential surface of the tunnel boring machine cutter, the cylindrical carbide cutter tooth is installed on the installation groove of the cutter ring, and is fixed by welding; the cylindrical carbide cutter tooth installed in the installation groove is higher than the surface of the cutter ring; the cylindrical carbide cutter tooth is distributed on the cutter ring along the circumferential direction of the cutter, the top end of the cylindrical carbide cutter tooth is a rectangular blade, the hard alloy cutter tooth with left inclined rectangular blade is alternately distributed with the hard alloy cutter tooth with right inclined rectangular blade.

[0004] The technical scheme in the application file still has the following defects: the cutter is a vulnerable part due to the harsh working environment, when the cutter ring is checked for use, if the cutter tooth is damaged or seriously worn, the cutter ring radius is worn by more than 25mm, the whole cutter ring needs to be replaced, the damaged or seriously worn single tooth cannot be replaced, the replacement time is long and the cost is high, which has a great influence on the tunnel construction period and construction cost. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a novel TBM cutter ring to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a novel TBM cutter ring, including cutter ring base body, outer cutter ring, cutter groove, cutter tooth, cutter tooth body placing groove, recess, bolt, screw hole and pressure plate, the outer ring of cutter ring base body installs outer cutter ring, the outer ring of outer cutter ring is provided with cutter groove, the cutter tooth body placing groove is seted up in the cutter groove of outer cutter ring, the cutter tooth body placing groove is placed with cutter tooth, the recess and screw hole are seted up in the outer cutter ring, the screw hole is screw mounted with bolt, the one end of bolt rotatory installation has pressure plate, the one side surface of pressure plate is pasted with the lower tooth body of cutter tooth.

[0007] By adopting the above technical scheme, the use of the cutter ring is checked, when the cutter ring radius is unqualified due to damage or serious wear of a cutter tooth and needs to be repaired, the worker uses a tool to engage with the screw head installed at one end of the bolt, then rotates the bolt counterclockwise, because the bolt is screwed with the screw hole, the other end of the bolt is rotated and installed to move outward and not abut against the lower tooth body of the cutter tooth, then the cutter tooth can be taken out from the cutter tooth body placing groove for replacement, or the cutter tooth can be pulled out until the radius of the cutter ring is qualified, then the worker rotates the tool clockwise to rotate the bolt clockwise, so that the pressure plate moves inward and abuts against the lower tooth body of the cutter tooth, the replacement of the cutter tooth or the fixation of the cutter tooth body after adjustment is completed, by replacing the single tooth that is damaged or seriously worn, the problem that the whole cutter ring needs to be replaced when the cutter ring radius is unqualified is avoided, the replacement time and maintenance cost of the cutter ring are reduced, and the influence on the tunnel construction period and construction cost is reduced.

[0008] Preferably, the lower tooth body of the cutter tooth is provided with an auxiliary sliding block, and an auxiliary sliding groove is formed in the groove wall of the cutter tooth body placing groove.

[0009] By adopting the above technical scheme, the stability of the cutter tooth during movement is ensured by the sliding of the auxiliary sliding block and the auxiliary sliding groove, and the cutter tooth is easy to dock during replacement and installation.

[0010] Preferably, a leather plug is installed at the top opening of the cutter tooth body placing groove.

[0011] By adopting the above technical scheme, the leather plug installed can prevent mud and sand from entering the cutter tooth body placing groove.

[0012] Preferably, the cutter ring base body is provided with a cutter hub installation hole penetrating through the cutter ring base body.

[0013] Preferably, the screw head installed at the other end of the bolt is in the recess.

[0014] By adopting the above technical scheme, the screw head installed at one end of the bolt is avoided from protruding outward by the recess.

[0015] Preferably, the threaded hole is in communication with the groove.

[0016] Preferably, one side of the pressing plate is provided with a non-slip pad.

[0017] Compared with the prior art, the utility model has the beneficial effects that: through replacing the single tooth which is damaged or seriously worn, the problem that the whole cutter ring needs to be replaced when the cutter ring radius is worn unqualified is avoided, the replacement time and maintenance cost of the cutter ring are reduced, and the influence on the tunnel construction period and construction cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front structure schematic view of the utility model.

[0019] Figure 2 It is a front structure schematic view of the utility model.

[0020] Figure 3 It is a side structure schematic view of the utility model.

[0021] Figure 4 It is a front enlarged schematic view of the cutter tooth structure of the utility model.

[0022] Figure 5 It is a side enlarged schematic view of the cutter tooth structure of the utility model.

[0023] In the drawing: 1, cutter ring base body; 2, cutter hub mounting hole; 3, outer cutter ring; 4, cutter groove; 5, cutter tooth; 6, cutter tooth body placing groove; 7, leather plug; 8, groove; 9, bolt; 10, auxiliary sliding block; 11, auxiliary sliding groove; 12, threaded hole; 13, pressing plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5, including the knife circle base body 1, the outer knife circle 3, the knife groove 4, the knife tooth 5, the knife tooth body placement groove 6, the recess 8, the bolt 9, the threaded hole 12 and the pressing plate 13, the outer circle of the knife circle base body 1 is provided with the outer knife circle 3, the outer circle of the outer knife circle 3 is provided with the knife groove 4, the outer knife circle 3 is provided with the knife tooth body placement groove 6 at the knife groove 4, the knife tooth body placement groove 6 is placed with the knife tooth 5, the outer knife circle 3 is provided with the recess 8 and the threaded hole 12, the threaded hole 12 is screwed with the bolt 9, one end of the bolt 9 is rotatably provided with the pressing plate 13, one side of the pressing plate 13 is attached to the lower tooth body of the knife tooth 5, the use of the knife circle is checked, when the knife circle radius is unqualified and needs to be repaired because of the damage or serious wear of a certain knife tooth, the worker uses the tool to match the screw head installed at one end of the bolt 9, and then rotates the bolt 9 counterclockwise, so that the bolt 9 is screwed with the threaded hole 12, thereby driving the pressing plate 13 rotatably installed at the other end of the bolt 9 to move outward and not to abut against the lower tooth body of the knife tooth 5, then the knife tooth 5 can be taken out from the knife tooth body placement groove 6 for replacement, or the knife tooth 5 can be pulled out until the radius of the knife circle is qualified, then the worker rotates the tool clockwise to make the bolt 9 rotate clockwise, so that the pressing plate 13 moves inward and abuts against the lower tooth body of the knife tooth 5, the replacement of the knife tooth 5 or the fixation of the tooth body after the replacement of the knife tooth 5 is completed, by replacing the single tooth damaged or seriously worn, the problem that the whole knife circle needs to be replaced when the radius of the knife circle is unqualified is avoided, the replacement time and the repair cost of the knife circle are reduced, and the influence on the tunnel construction period and the construction cost is reduced.

[0026] Referring to Figure 4 , Figure 5 , the lower tooth body of the knife tooth 5 is provided with an auxiliary sliding block 10, the groove wall of the knife tooth body placement groove 6 is provided with an auxiliary sliding groove 11, the auxiliary sliding block 10 is slidably connected with the auxiliary sliding groove 11, the stability of the knife tooth 5 during movement is ensured by the sliding of the auxiliary sliding block 10 and the auxiliary sliding groove 11, and the knife tooth 5 is easily connected during replacement, a leather plug 7 is installed at the top opening of the knife tooth body placement groove 6, and the installed leather plug 7 can prevent mud and sand from entering the knife tooth body placement groove 6.

[0027] Referring to Figure 1 , Figure 2 , Figure 5 , the knife circle base body 1 is provided with a knife hub installation hole 2 penetrating through the knife circle base body 1, the screw head rotatably installed at the other end of the bolt 9 is in the recess 8, the recess 8 is provided to avoid the screw head rotatably installed at one end of the bolt 9 from protruding outward, the threaded hole 12 is communicated with the recess 8, and one side of the pressing plate 13 is provided with an anti-skid pad.

[0028] The implementation principle of the novel TBM cutter ring embodiment of the present application is as follows: the working principle is to check the use of the cutter ring, when the cutter ring radius is unqualified and needs to be repaired because of damage or serious wear of a cutter tooth, a worker uses a tool to engage with the screw head installed at one end of the bolt 9, and then rotates the bolt 9 counterclockwise, because the bolt 9 is screwed with the threaded hole 12, thereby driving the resistance plate 13 installed at the other end of the bolt 9 to move outward and not abut against the lower tooth body of the cutter tooth 5, then the cutter tooth 5 can be taken out from the cutter tooth body placing groove 6 for replacement, or the cutter tooth 5 can be pulled out until the radius of the cutter ring is qualified, then the worker rotates the tool clockwise to make the bolt 9 rotate clockwise, thereby making the resistance plate 13 move inward and abut against the lower tooth body of the cutter tooth 5, the replacement of the cutter tooth 5 or the fixing of the cutter tooth body is completed, by replacing the single tooth that is damaged or seriously worn, the problem that the whole cutter ring needs to be replaced when the cutter ring radius is unqualified is avoided, the replacement time and maintenance cost of the cutter ring are reduced, and the influence on the tunnel construction period and construction cost is reduced.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A novel TBM cutter ring, comprising a cutter ring base (1), an outer cutter ring (3), a cutter groove (4), cutter teeth (5), a cutter tooth body placement groove (6), a recess (8), a bolt (9), a threaded hole (12), and a pressure plate (13), characterized in that: An outer blade ring (3) is installed on the outer ring of the blade ring base (1). A blade groove (4) is provided on the outer ring of the outer blade ring (3). A blade tooth body placement groove (6) is provided on the outer blade ring (3) at the blade groove (4). A blade tooth (5) is placed in the blade tooth body placement groove (6). A groove (8) and a threaded hole (12) are provided on the outer blade ring (3). A bolt (9) is threaded in the threaded hole (12). A pressure plate (13) is rotatably installed on one end of the bolt (9). One side of the pressure plate (13) is in contact with the lower tooth body of the blade tooth (5).

2. The novel TBM cutter ring according to claim 1, characterized in that: An auxiliary slider (10) is installed on the lower tooth body of the cutter tooth (5), and an auxiliary sliding groove (11) is provided on the groove wall of the cutter tooth body placement groove (6). The auxiliary slider (10) is slidably connected to the auxiliary sliding groove (11).

3. The novel TBM cutter ring according to claim 1, characterized in that: A leather plug (7) is installed at the top opening of the slot (6) for placing the blade teeth.

4. A novel TBM cutter ring according to claim 1, characterized in that: The blade ring base (1) has a blade hub mounting hole (2) that penetrates through the blade ring base (1).

5. A novel TBM cutter ring according to claim 1, characterized in that: The screw head installed at the other end of the bolt (9) is in the groove (8).

6. A novel TBM cutter ring according to claim 1, characterized in that: The threaded hole (12) is connected to the groove (8).

7. A novel TBM cutter ring according to claim 1, characterized in that: An anti-slip pad is provided on one side of the pressure plate (13).

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