High-strength shield tunneling machine cutter

Abstract

The utility model relates to the technical field of shield tunneling machines, and discloses a high-strength shield tunneling machine cutter which comprises a machine body, the front end of the machine body is fixedly connected with a machine head, the inner wall of the machine head is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a fixing rod. A plurality of fixed gears are fixedly connected to the outer wall of the fixed rod at equal intervals, a square inner hollow block is fixedly connected to the front side of the top of the fixed plate, and a plurality of racks are slidably connected to the interior of the square inner hollow block. According to the utility model, when the rack moves, the spray head on the outer wall is driven to spray water mist and cooling liquid to the tool bit for cooling, so that the problems that the hardness and the toughness of a tool material are reduced due to high temperature generated after the tool bit performs crushing work for a long time, the cutting efficiency is reduced, and the tool needs to be replaced more frequently are solved; and inconvenience is caused to subsequent construction work.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shield machine technical field especially relates to a high strength shield machine cutter. BACKGROUND

[0002] The shield machine is a kind of highly mechanized and automated large-scale engineering machinery equipment for tunneling.It integrates mechanical, electrical, hydraulic, measurement, control Various technologies, can be in the complex strata such as soft soil, hard rock, composite strata in underground crossing and carry out tunneling operation, and side excavation side lining support, provide safe, efficient construction means for the development of underground space.

[0003] According to the search, the patent publication number CN116988805A discloses a shield machine comprising: a shield host computer, which defines an excavation bin, the excavation bin is provided with a discharge port; a screw conveyor, the first end of the screw conveyor is communicated with the discharge port; a shield trolley, which is movably arranged on the rear side of the screw conveyor along the tunnel axis, and is connected with the shield host computer; a first discharge system, comprising a slurry inlet system, a crushing device and a slurry discharge system, the slurry inlet system is communicated with the excavation bin, the inlet of the crushing device is adapted to be communicated with the second end of the screw conveyor, and the slurry discharge system is communicated with the outlet of the crushing device; a second discharge system, comprising a belt conveyor, the belt conveyor is constructed to be communicated with the second end of the screw conveyor instead of the crushing device. According to the shield machine of the application, the discharge system can be flexibly switched according to the stratum condition, to meet the discharge and slurry discharge requirements in different stratum excavation, and to ensure the construction progress. However, the cutter head of the shield machine will generate high temperature after long-time crushing work, which will cause the hardness and toughness of the cutter material to decrease, resulting in the decrease of cutting efficiency, the need for more frequent replacement of cutter, and the inconvenience to subsequent construction work. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a high strength shield machine cutter, which aims at improving the problem that the cutter head of the shield machine in the prior art will generate high temperature after long-time crushing work, causing the hardness and toughness of the cutter material to decrease, resulting in the decrease of cutting efficiency, the need for more frequent replacement of cutter, and the inconvenience to subsequent construction work.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a high strength shield machine cutter, including machine body, the front end fixedly connected with machine head of machine body, the inner wall fixedly connected with fixed plate of machine head, the top fixedly connected with motor no.

[0006] Through the above technical scheme: by opening motor no. 2, the fixed rod of the output end is rotated, when the fixed rod rotates, the two fixed gears on the outer wall are rotated, when the fixed gear rotates, the rack in the square inner hollow block is meshed, the rack slides up and down in the square inner hollow block, when the rack moves, the nozzle on the outer wall sprays water mist and coolant to the cutter head for cooling.

[0007] Further description of the above technical scheme:

[0008] The cleaning mechanism includes a fixed long plate, the fixed long plate is installed on the rear side of the machine body, the top of the fixed long plate is fixedly connected with motor no. 1, the left side of the bottom of the fixed long plate is rotatably connected with gear no. 1, the output end of the motor no. 1 is fixedly connected with a fixed short column, the outer wall of the fixed short column penetrates the bottom end of the fixed long plate and is fixedly connected with gear no. 2, the outer wall of the gear no. 2 is provided with a chain, the gear no. 2 and the gear no. 1 are connected through the chain transmission, the outer wall of the chain is fixedly connected with a plurality of fixed short plates at equal intervals, and the bottom of the fixed short plate is fixedly connected with a brush.

[0009] Through the above technical scheme: by opening motor no. 1, the fixed rod of the output end is rotated, when the fixed rod rotates, the two fixed gears on the outer wall are rotated, when the fixed gear rotates, the rack in the square inner hollow block is meshed, the rack slides up and down in the square inner hollow block, when the rack moves, the nozzle on the outer wall sprays water mist and coolant to the cutter head for cooling.

[0010] Further description of the above technical scheme:

[0011] The top rear side of the machine body is provided with a bulb.

[0012] Through the technical scheme, the bulb installed at the rear side of the top of the machine body can play an auxiliary lighting role in an environment with poor light illumination.

[0013] Further description is made to the technical scheme as follows:

[0014] The outer wall of the machine body is screw-connected with a screw, and the outer wall of the screw is screw-connected with a warning sign.

[0015] Through the technical scheme, the warning sign at the left side of the outer wall of the machine body can remind the staff of matters needing attention during work, and reduce the occurrence of accidents.

[0016] Further description is made to the technical scheme as follows:

[0017] The top front side of the machine body is equidistantly provided with a plurality of observation windows.

[0018] Through the technical scheme, the observation windows can facilitate the staff inside the machine body to observe the working condition of the top of the machine body.

[0019] Further description is made to the technical scheme as follows:

[0020] The inner rear side of the machine body is fixedly connected with a hollow box, and the hollow box is slidably connected with a drawer.

[0021] Through the technical scheme, the drawer slidably connected in the hollow box can facilitate the storage of tools used in daily use and maintenance.

[0022] Further description is made to the technical scheme as follows:

[0023] The outer wall of the rear side of the drawer is fixedly connected with a handle.

[0024] Through the technical scheme, the handle fixedly connected to the outer wall of the rear side of the drawer can facilitate the opening and closing of the drawer for use.

[0025] Further description is made to the technical scheme as follows:

[0026] The outer wall of the handle is fixedly connected with an anti-skid sleeve.

[0027] Through the technical scheme, the anti-skid sleeve fixedly connected to the outer wall of the handle can prevent the hands of the staff from slipping when holding and pulling the handle, and enhance the hand comfort of the staff when holding the handle.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, through the opening motor two drive fixed rod of output end rotation, when fixed rod in rotation will drive the two fixed gear of outer wall rotate, when fixed gear in rotation will with the rack inside square inner hollow block interlock, make rack will slide up and down in square inner hollow block inside, when rack in movement will drive the nozzle of outer wall, spray water mist and coolant to the tool bit and carry out cooling, thereby avoid the tool bit in long time broken work after high temperature, lead to the hardness and toughness of cutting tool material decline, thereby will lead to cutting efficiency decline need more frequently change cutting tool, and then cause the subsequent construction work of inconvenience problem.

[0030] 2. In the utility model, through the opening motor one drive fixed short column of output end rotation, when fixed short column in rotation the gear two of outer wall also rotate, because gear two and fixed long plate bottom left side gear one rotate through chain transmission connection, so the rotation of gear two will drive gear one synchronous rotation through chain, so that the chain can drive under the drive of gear one and gear two circulation, finally through the chain in the process of movement, drive the brush of outer wall fixed short plate bottom to move and clean the surface of conveyor belt and remove the impurities and dirt on the conveyor belt, thereby avoid the soil debris after long time conveying work, soil debris adhere to the conveyor belt, lead to the problem of conveyor belt damage. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a perspective view of a high-strength shield machine cutter proposed in the utility model;

[0032] Figure 2 It is a rear view of a high-strength shield machine cutter proposed in the utility model;

[0033] Figure 3 It is a partial structure schematic view of a high-strength shield machine cutter proposed in the utility model;

[0034] Figure 4 It is a partial structure display view of a high-strength shield machine cutter proposed in the utility model;

[0035] Figure 5 It is a partial structure split view of a high-strength shield machine cutter proposed in the utility model;

[0036] Figure 6 It is a cleaning mechanism schematic view of a high-strength shield machine cutter proposed in the utility model.

[0037] Legend:

[0038] 1, body; 2, cleaning mechanism; 201, fixed long plate; 202, motor one; 203, chain; 204, brush; 205, fixed short plate; 206, gear one; 207, fixed short column; 208, gear two; 3, observation window; 4, machine head; 5, screw; 6, anti-skid sleeve; 7, handle; 8, box; 9, hollow box; 10, bulb; 11, square inner hollow block; 12, rack; 13, fixed plate; 14, motor two; 15, conveyor belt; 16, spray head; 17, fixed gear; 18, fixed rod; 19, tool bit; 20, warning sign. DETAILED DESCRIPTION

[0039] 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, rather than 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 scope of protection of the utility model.

[0040] With reference to Figure 1 , Figure 3 and Figure 5 , the utility model provides an embodiment: a kind of high-strength shield machine cutter, including body 1, the front end of body 1 is fixedly connected with machine head 4, the inner wall of machine head 4 is fixedly connected with fixed plate 13, the top of fixed plate 13 is fixedly connected with motor two 14, the output end of motor two 14 is fixedly connected with fixed rod 18, the outer wall of fixed rod 18 is equidistantly fixedly connected with multiple fixed gears 17, by starting motor two 14, the fixed rod 18 of output end can be driven to rotate, when fixed rod 18 is rotated, it can drive the two fixed gears 17 of outer wall, and mesh with rack 12, the top front side of fixed plate 13 is fixedly connected with square inner hollow block 11, multiple rack 12 is slidably connected in square inner hollow block 11, rack 12 plays the role of moving engagement, the outer wall of rack 12 is fixedly connected with spray head 16, the rear side of the inside of body 1 is installed with conveyor belt 15, the outer wall front side of machine head 4 is equidistantly installed with multiple tool bits 19, the rear side of body 1 is installed with cleaning mechanism 2, cleaning mechanism 2 is used to clean the impurities and dirt attached on conveyor belt 15, the rear side of the top of body 1 is installed with bulb 10, the bulb 10 installed on the rear side of the top of body 1 can play the role of auxiliary lighting in the environment of poor light illumination, the outer wall left side of body 1 is screw-connected with screw 5, the outer wall of screw 5 is screw-connected with warning sign 20, the warning sign 20 on the left side of the outer wall of body 1 can remind staff of matters needing attention when working, reduce the occurrence of unexpected situations;

[0041] Specifically, by starting the motor 14 to drive the fixed rod 18 of the output end to rotate, when the fixed rod 18 rotates, the two fixed gears 17 on the outer wall will rotate, when the fixed gear 17 rotates, it will be engaged with the rack 12 inside the square hollow block 11, so that the rack 12 will slide up and down inside the square hollow block 11, when the rack 12 moves, it will drive the nozzle 16 on the outer wall to spray water mist and coolant to the cutting head 19 for cooling. The bulb 10 is installed on the top rear side of the machine body 1, which can play an auxiliary lighting role in poor lighting environment. The screw 5 is threadedly connected to the left side of the outer wall of the machine body 1, and the warning sign 20 is threadedly connected to the outer wall of the screw 5. The warning sign 20 on the left side of the outer wall of the machine body 1 can remind the staff of the matters needing attention during work, and reduce the occurrence of accidents.

[0042] Referring to Figure 2 , Figure 4 and Figure 6 , the cleaning mechanism 2 comprises a fixed long plate 201 installed inside the rear side of the machine body 1, a motor 202 fixedly connected to the top of the fixed long plate 201, a gear 206 rotatably connected to the left side of the bottom of the fixed long plate 201, a fixed short column 207 fixedly connected to the output end of the motor 202, a gear 208 fixedly connected to the outer wall of the fixed short column 207 and penetrating the bottom end of the fixed long plate 201, a chain 203 installed on the outer wall of the gear 208, and a brush 204 fixedly connected to the bottom of the fixed short plate 205. A plurality of observation windows 3 are equally provided on the top front side of the machine body 1, which can facilitate the staff inside the machine body 1 to observe the working condition of the top of the machine body 1. A hollow box 9 is fixedly connected to the inner rear side of the machine body 1, and a drawer 8 is slidably connected to the inside of the hollow box 9, which can facilitate the storage of tools for daily use and maintenance;

[0043] Specifically, by starting the motor 202 to drive the output end of the fixed short column 207 to rotate, when the fixed short column 207 rotates, the gear two 208 on the outer wall also rotates, since the gear two 208 and the gear one 206 on the left side of the bottom of the fixed long plate 201 are connected through the chain 203, so the rotation of the gear two 208 will drive the gear one 206 to rotate synchronously through the chain 203, so that the chain 203 can move circularly under the drive of the gear one 206 and the gear two 208, finally through the movement of the chain 203, the brush 204 on the bottom of the fixed short plate 205 on the outer wall is driven to move to wipe the surface of the conveyor belt 15 to remove the impurities and dirt on the conveyor belt 15, a plurality of observation windows 3 are equidistantly arranged on the top front side of the machine body 1, the observation windows 3 can facilitate the staff inside the machine body 1 to observe the working condition on the top of the machine body 1, the hollow box 9 is fixedly connected to the inner rear side of the machine body 1, the drawer box 8 is slidably connected in the hollow box 9, the drawer box 8 slidably connected in the hollow box 9 can facilitate the storage of tools used in daily use and maintenance.

[0044] With reference to Figure 1 and Figure 2 the outer wall rear side of the drawer box 8 is fixedly connected with a handle 7, the handle 7 fixedly connected to the outer wall rear side of the drawer box 8 can facilitate the opening and closing of the drawer box 8 for use, the outer wall of the handle 7 is fixedly connected with an anti-skid sleeve 6, the anti-skid sleeve 6 fixedly connected to the outer wall of the handle 7 can prevent the staff from slipping when holding and pulling the handle 7, and enhance the hand comfort of the staff when holding the handle 7.

[0045] Specifically, the outer wall rear side of the drawer box 8 is fixedly connected with a handle 7, the handle 7 fixedly connected to the outer wall rear side of the drawer box 8 can facilitate the opening and closing of the drawer box 8 for use, the outer wall of the handle 7 is fixedly connected with an anti-skid sleeve 6, the anti-skid sleeve 6 fixedly connected to the outer wall of the handle 7 can prevent the staff from slipping when holding and pulling the handle 7, and enhance the hand comfort of the staff when holding the handle 7.

[0046] Working principle: by starting the motor 202 to drive the output end of the fixed short column 207 to rotate, when the fixed short column 207 rotates, the gear two 208 on the outer wall also rotates, since the gear two 208 and the gear one 206 on the left side of the bottom of the fixed long plate 201 are connected through the chain 203, so the rotation of the gear two 208 will drive the gear one 206 to rotate synchronously through the chain 203, so that the chain 203 can move circularly under the drive of the gear one 206 and the gear two 208, finally through the movement of the chain 203, the brush 204 on the bottom of the fixed short plate 205 on the outer wall is driven to move to wipe the surface of the conveyor belt 15 to remove the impurities and dirt on the conveyor belt 15, a plurality of observation windows 3 are equidistantly arranged on the top front side of the machine body 1, the observation windows 3 can facilitate the staff inside the machine body 1 to observe the working condition on the top of the machine body 1, the hollow box 9 is fixedly connected to the inner rear side of the machine body 1, the drawer box 8 is slidably connected in the hollow box 9, the drawer box 8 slidably connected in the hollow box 9 can facilitate the storage of tools used in daily use and maintenance.

[0047] When the fixed short column 207 rotates, the gear two 208 on the outer wall also rotates, and since the gear one 206 on the left side of the bottom of the fixed long plate 201 is connected with the gear two 208 through the chain 203, the rotation of the gear two 208 can drive the gear one 206 to rotate synchronously through the chain 203, so that the chain 203 can move circularly under the drive of the gear one 206 and the gear two 208, and finally, the brush 204 at the bottom of the fixed short plate 205 on the outer wall can move to clean the surface of the conveyor belt 15 through the chain 203, so that the problem that the conveyor belt 15 is damaged due to the attachment of the soil debris on the conveyor belt 15 after the soil debris is attached on the conveyor belt 15 after a long time of conveying work can be avoided.

[0048] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A high-strength shield tunneling machine cutterhead, comprising a body (1), characterized in that: The front end of the machine body (1) is fixedly connected to a machine head (4). A fixing plate (13) is fixedly connected to the inner wall of the machine head (4). A motor (14) is fixedly connected to the top of the fixing plate (13). A fixing rod (18) is fixedly connected to the output end of the motor (14). Multiple fixing gears (17) are fixedly connected at equal intervals to the outer wall of the fixing rod (18). A square hollow block (11) is fixedly connected to the front top of the fixing plate (13). Multiple racks (12) are slidably connected inside the square hollow block (11). A nozzle (16) is fixedly connected to the outer wall of the rack (12). A conveyor belt (15) is installed inside the rear side of the machine body (1). Multiple blades (19) are installed at equal intervals to the front side of the outer wall of the machine head (4). A cleaning mechanism (2) is installed on the rear side of the machine body (1). The cleaning mechanism (2) is used to clean the impurities and dirt attached to the conveyor belt (15).

2. The high-strength shield tunneling machine cutter according to claim 1, characterized in that: The cleaning mechanism (2) includes a fixed long plate (201), which is installed inside the rear side of the body (1). A motor (202) is fixedly connected to the top of the fixed long plate (201), and a gear (206) is rotatably connected to the left side of the bottom of the fixed long plate (201). A fixed short column (207) is fixedly connected to the output end of the motor (202). The outer wall of the fixed short column (207) penetrates the bottom end of the fixed long plate (201) and is fixedly connected to a gear (208). A chain (203) is installed on the outer wall of the gear (208). The gear (208) and the gear (206) are connected by the chain (203). Multiple fixed short plates (205) are fixedly connected at equal intervals on the outer wall of the chain (203). A brush (204) is fixedly connected to the bottom of the fixed short plate (205).

3. A high-strength tunnel boring machine cutter according to claim 1, characterized in that: A light bulb (10) is installed on the rear top side of the body (1).

4. A high-strength tunnel boring machine cutter according to claim 1, characterized in that: The outer wall of the body (1) is threaded with a screw (5), and the outer wall of the screw (5) is threaded with a warning sign (20).

5. A high-strength shield tunneling machine cutter according to claim 1, characterized in that: The top front side of the body (1) is provided with multiple observation windows (3) at equal intervals.

6. A high-strength tunnel boring machine cutter according to claim 1, characterized in that: A hollow box (9) is fixedly connected to the rear side of the inner side of the body (1), and a drawer (8) is slidably connected inside the hollow box (9).

7. A high-strength tunnel boring machine cutter according to claim 6, characterized in that: A handle (7) is fixedly connected to the rear side of the outer wall of the drawer (8).

8. A high-strength tunnel boring machine cutter according to claim 7, characterized in that: The outer wall of the handle (7) is fixedly connected with an anti-slip sleeve (6).

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