CN112761656B - Cutter head installation and inspection device of mini-type tunneling machine - Google Patents
Cutter head installation and inspection device of mini-type tunneling machine Download PDFInfo
- Publication number
- CN112761656B CN112761656B CN202110116075.6A CN202110116075A CN112761656B CN 112761656 B CN112761656 B CN 112761656B CN 202110116075 A CN202110116075 A CN 202110116075A CN 112761656 B CN112761656 B CN 112761656B
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- fixed
- lateral wall
- guide
- side walls
- guide bearing
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- 238000007689 inspection Methods 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 title claims abstract description 23
- 230000005641 tunneling Effects 0.000 title claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 241001314546 Microtis <orchid> Species 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a cutter head installation and inspection device of a mini-type tunneling machine, which comprises a fixed foot rest, wherein two bolts are connected to the side walls of the three fixed foot rest in a threaded manner, nuts are connected to the side walls of the bolts in a threaded manner, movable supports are connected to the upper side walls of the three fixed foot rest in a fixed manner, fixed supports are connected to the side walls of the three movable supports in a sliding manner, a guide bearing is connected to the upper side wall of a cutter head of the tunneling machine in a rotating manner, a balance block is arranged on the side wall of the guide bearing, a guide fixing gasket is arranged at the lower end of the guide bearing, and a guide screw is connected to the guide bearing in a rotating manner. According to the invention, whether the cutter mounting position is correct or not is determined by observing the relative positions of the scribing lines and the cutter mounting, so that the extra construction cost of the heading machine is reduced to a certain extent, the heading machine tool bit with different sizes can be adapted, the application range of the device is enlarged, and the application range of the device is not single.
Description
Technical Field
The invention relates to the technical field of cutterhead installation, in particular to a miniature heading machine cutterhead installation and inspection device.
Background
The invention provides a cutter head installation and inspection device of a mini-type tunneling machine, wherein a cutter head of the tunneling machine is a main key part for influencing the durability and the performance of the tunneling machine. Besides, in the construction cost of the heading machine, besides the investment of equipment, the maximum consumption is cutter cost, the cutter consumption generally depends on the quality of the cutters and the installation, use and maintenance level of the cutters, and more depends on the overall arrangement position of the cutters on the cutter disc, so that the cutter wear is increased, the cutter wear is reduced, the downtime of the heading machine is increased, the use efficiency of the heading machine is reduced, and the construction cost is increased.
Therefore, most engineers design the placing position of the cutter suitable for the corresponding working condition according to factors such as different geology and construction environment, the placing position is an ideal position, errors can be avoided in the production and processing process, sometimes, the placing position of the cutter can deviate from a theoretical value due to various reasons, the working efficiency and the construction cost of the heading machine can be influenced to a certain extent, the fact that the arrangement position of the cutter on the cutter disc is checked is particularly important, a cutter mounting seat on the cutter disc of the heading machine is designed to be concave, certain difficulties are brought to the quality inspection work and the design of the quality inspection device.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a cutter head installation and inspection device of a mini-type heading machine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a miniature development machine blade disc installation verifying attachment, includes fixed foot rest, three equal threaded connection of fixed foot rest lateral wall has two bolts, and is a plurality of equal threaded connection of bolt lateral wall has the nut, and is three equal fixedly connected with of lateral wall removes the support on the fixed foot rest, three equal sliding connection of removal support lateral wall has the fixed bolster, the lateral wall rotates on the development machine tool bit and is connected with guide bearing, the guide bearing lateral wall is equipped with the balancing piece, the guide bearing lower extreme is equipped with the direction fixed gasket, guide bearing internal rotation is connected with guiding screw, guiding screw lateral wall and three fixed bolster lateral wall threaded connection, guiding screw lateral wall threaded connection has the uide bushing, the uide bushing lower extreme is equipped with spring washer, guide bearing lateral wall fixedly connected with quality inspection template, the quality inspection template can be according to the different size's of quality inspection demand template lateral wall is equipped with fixed angle steel.
Preferably, the fixed bolster lower extreme is equipped with the fixed plate, lateral wall fixedly connected with air pump on the fixed plate, three the fixed bolster lateral wall all is equipped with the gas storage chamber, the fixed bolster lower extreme is equipped with the gas storage box, the air pump passes through blast pipe and gas storage box intercommunication, three the gas storage chamber all communicates with the gas storage box through the air duct, the air duct lateral wall is equipped with the outlet duct, be equipped with the valve on the outlet duct.
Preferably, the three side walls of the movable support are respectively provided with a piston plate, the three side walls of the piston plates are respectively and elastically connected with the inner walls of the three gas storage cavities through springs, and the three piston plates are respectively attached to the inner walls of the three gas storage cavities.
Preferably, the cambered surface at the lower end of the quality inspection template is the same as the cambered surface of the tunneling machine theory tunneling surface, and the side surface of the quality inspection template is carved with a scribing line corresponding to the theoretical cutter track point and the cutter spacing.
Preferably, the guide sleeve is designed as a hollow tube, the guide screw being mounted in its inner diameter.
Preferably, the side walls of the three movable brackets are provided with reinforcing ribs, and the lengths of the cantilevers of the three movable brackets are equal.
The invention has the following beneficial effects:
1. by observing the relative positions of the scribing lines and the cutter installation, whether the actual installation positions of the cutters deviate from the theoretical positions or not can be determined, so that whether the cutter installation positions are correct or not is determined, whether the cutter positions are correct or not is checked by using a lower-cost device, and the extra construction cost of the heading machine is reduced to a certain extent;
2. the air pump is adjusted to squeeze air into the air storage cavity in the fixed support, so that the piston plate is pushed to move, the movable support is driven to move, the position of the movable support can be adjusted, the cutter head of the heading machine with different sizes can be adapted, the application range of the device is enlarged, and the application range of the device is not single any more.
Drawings
FIG. 1 is a schematic diagram of a cutter head installation and inspection device of a mini-excavator, which is provided by the invention;
fig. 2 is a perspective view of a cutter head installation inspection device of a mini-excavator, which is provided by the invention.
In the figure: the device comprises a fixed foot rest 1, a nut 2, a bolt 3, a spring washer 4, a movable support 5, a quality inspection template 6, a guide screw 7, a guide sleeve 8, a balance weight 9, a guide bearing 10, a guide fixed gasket 11, a fixed angle steel 12, a gas storage box 13, a fixed support 14, a fixed plate 15, a gas pump 16, a gas exhaust pipe 17, a gas storage cavity 18, a piston plate 19 and a gas guide pipe 20.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Referring to fig. 1-2, the cutter head installation inspection device of the mini-excavator comprises a fixed foot rest 1, two bolts 3 are connected to the side walls of the three fixed foot rest 1 in a threaded manner, nuts 2 are connected to the side walls of the plurality of bolts 3 in a threaded manner, movable brackets 5 are connected to the upper side walls of the three fixed foot rest 1 in a fixed manner, the three movable brackets 5 are rectangular pipes with better rigidity and are prevented from bending, reinforcing ribs are arranged on the side walls of the three movable brackets 5, so that the rigidity of the cutter head is improved, the cantilever lengths of the three movable brackets 5 are equal, so that the center of a circle can be fixed, fixed brackets 14 are connected to the side walls of the three movable brackets 5 in a sliding manner, guide bearings 10 are connected to the upper side walls of the cutter head of the mini-excavator in a rotating manner, balance weights 9 are arranged on the side walls of the guide bearings 10, the lengths and the qualities of the balance weights 9 are set according to the lengths and the qualities of quality inspection templates 6, so that torques at two ends of the guide screws 7, the guide sleeves 8 and the guide bearings 10 are identical, the possibility that the guide screw 7, the guide sleeve 8, the guide bearing 10, the guide fixing gasket 11 and the like deviate from the central line is reduced, the guide fixing gasket 11 is arranged at the lower end of the guide bearing 10, the guide screw 7 is rotationally connected with the guide screw 7 in the guide bearing 10, the side wall of the guide screw 7 is in threaded connection with the side wall of the three fixing brackets 14, the guide sleeve 8 is in threaded connection with the guide sleeve 8, the guide sleeve 8 is designed into a hollow pipe, the guide screw 7 is arranged in the inner diameter of the guide screw 7, the spring washer 4 is arranged at the lower end of the guide sleeve 8, the quality inspection template 6 is fixedly connected with the side wall of the guide bearing 10, templates of different sizes can be made according to quality inspection requirements, the fixing angle steel 12 is arranged at the side wall of the quality inspection template 6, the guide bearing 10 is connected with the quality inspection template 6 and the balance block 9 through the nut 2, the bolt 3, the spring washer 4, the fixing angle steel 12 and the quality inspection template 6 are driven, the balance weight 9 moves circularly around the guide screw 7 and the guide sleeve 8 to realize the inspection of the installation position of the cutter by the quality inspection template 6, the cambered surface at the lower end of the quality inspection template 6 is the same as the cambered surface of the tunneling mechanism theory, the side surface of the quality inspection template 6 is carved with a scribing line corresponding to the theoretical cutter track point and the cutter spacing, the quality inspection template 6 adopts steel with lighter mass and is provided with a hole in a non-important way so as to lighten the self weight, and the possibility that the three movable brackets 5, the guide screw 7, the guide sleeve 8, the guide bearing 10, the guide fixed gasket 11 and the like deviate from the central line is reduced.
The fixed bolster 14 lower extreme is equipped with fixed plate 15, the lateral wall fixedly connected with air pump 16 on the fixed plate 15, three fixed bolster 14 lateral wall all is equipped with gas storage chamber 18, three movable support 5 lateral wall all is equipped with piston plate 19, three piston plate 19 lateral wall all respectively with three gas storage chamber 18 inner wall elastic connection through the spring, three piston plate 19 respectively with the laminating of three gas storage chamber 18 inner wall, the fixed bolster 14 lower extreme is equipped with gas storage box 13, air pump 16 communicates with gas storage box 13 through blast pipe 17, three gas storage chamber 18 all communicates with gas storage box 13 through air duct 20, the air duct 20 lateral wall is equipped with the outlet duct, be equipped with the valve on the outlet duct.
During installation, the circle centers are fixed by the three movable brackets 5, the arc surface at the lower end of the quality inspection template 6 and the score line on the side face are theoretical design values of the cutter track of the heading machine, the quality inspection template 6 performs circular motion around the guide screw 7, the guide sleeve 8, the guide bearing 10, the guide fixing gasket 11 and the like, and the relative positions of the score line and the cutter installation are observed, so that whether the actual installation position of the cutter deviates from the theoretical position or not can be determined, and whether the installation position of the cutter is correct or not is determined.
When the heading machine tool bit is installed, the fixing plate 15 and the air storage box 13 can be fixed on the side wall of the cylinder of the heading machine tool bit through tools such as the bolts 3, when the distance between the movable support 5 and the fixed support 14 is required to be adjusted, the air pump 16 is started, the air pump 16 pumps air into the air storage box 13, then the air pump enters the air storage cavity 18 through the plurality of air ducts 20, the piston plate 19 is pushed to move, the plurality of movable supports 5 are driven to move, the position of the movable support 5 can be adjusted, the plurality of fixed supports 1 are driven to move, the caliber of a circle surrounded by the plurality of fixed supports 1 can be adjusted, the heading machine tool bit with different sizes is adapted, and the application range of the heading machine tool bit is enlarged.
When the distance between the fixed foot frames 1 is required to be shortened, the valve on the air outlet pipe is opened, air in the air storage cavity 18 is discharged, the piston plates 19 are enabled to be close to each other under the action of the tension of the springs, and then the movable brackets 5 and the fixed foot frames 1 are driven to be close to each other.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a miniature entry driving machine blade disc installation verifying attachment, includes fixed foot rest (1), its characterized in that, three equal threaded connection of fixed foot rest (1) lateral wall has two bolts (3), a plurality of equal threaded connection of bolt (3) lateral wall has nut (2), three equal fixedly connected with movable support (5) of fixed foot rest (1) upper lateral wall, three equal sliding connection of movable support (5) lateral wall has fixed bolster (14), fixed bolster (14) lower extreme dynamic connection has guide bearing (10), guide bearing (10) lateral wall is equipped with balancing piece (9), guide bearing (10) lower extreme is equipped with direction fixed gasket (11), guide bearing (10) internal rotation is connected with guiding screw (7), guiding screw (7) lateral wall and three fixed bolster (14) lateral wall threaded connection, guiding screw (7) lateral wall threaded connection has uide bushing (8), uide bushing (8) lower extreme is equipped with spring washer (4), guide bearing (10) lateral wall fixedly connected with quality inspection template (6), quality inspection template (6) can be equipped with different sizes according to quality inspection template (12) side wall.
2. The miniature heading machine cutterhead installation testing device according to claim 1, wherein a fixed plate (15) is arranged at the lower end of a fixed support (14), an air pump (16) is fixedly connected to the upper side wall of the fixed plate (15), air storage cavities (18) are respectively arranged on the side walls of the three fixed supports (14), an air storage box (13) is arranged at the lower end of each fixed support (14), the air pump (16) is communicated with the air storage box (13) through an exhaust pipe (17), the three air storage cavities (18) are communicated with the air storage box (13) through air guide pipes (20), air outlet pipes are arranged on the side walls of the air guide pipes (20), and valves are arranged on the air outlet pipes.
3. The miniature heading machine cutterhead mounting and detecting device according to claim 2, wherein the side walls of the three movable brackets (5) are respectively provided with a piston plate (19), the side walls of the three piston plates (19) are respectively and elastically connected with the inner walls of the three gas storage cavities (18) through springs, and the three piston plates (19) are respectively attached to the inner walls of the three gas storage cavities (18).
4. The device for detecting the installation of the cutter head of the mini-excavator according to claim 1, wherein the cambered surface at the lower end of the quality inspection template (6) is the same as the cambered surface of the tunneling mechanism theory, and the side surface of the quality inspection template (6) is carved with a scribing line corresponding to a theoretical cutter path point and a cutter spacing.
5. A microti cutterhead mounting inspection device according to claim 1, characterized in that the guide sleeve (8) is designed as a hollow tube, the guide screw (7) being mounted in its inner diameter.
6. A micro-heading machine cutterhead mounting inspection device according to claim 3, characterized in that the side walls of three movable brackets (5) are provided with reinforcing ribs, and the cantilever lengths of the three movable brackets (5) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116075.6A CN112761656B (en) | 2021-01-28 | 2021-01-28 | Cutter head installation and inspection device of mini-type tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116075.6A CN112761656B (en) | 2021-01-28 | 2021-01-28 | Cutter head installation and inspection device of mini-type tunneling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112761656A CN112761656A (en) | 2021-05-07 |
| CN112761656B true CN112761656B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110116075.6A Active CN112761656B (en) | 2021-01-28 | 2021-01-28 | Cutter head installation and inspection device of mini-type tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112761656B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040993A (en) * | 1999-05-21 | 2001-02-13 | Nkk Corp | Method for changing cutter bit and device therefor |
| JP2003082987A (en) * | 2001-09-10 | 2003-03-19 | Komatsu Ltd | Support structure of various apparatuses in tunnel boring machine |
| CN111157388A (en) * | 2019-12-31 | 2020-05-15 | 西南交通大学 | Test bed capable of simulating tool behaviors at each position of cutter head |
| CN111473923A (en) * | 2020-05-15 | 2020-07-31 | 上海隧道工程有限公司 | Normal-pressure cutter inspection device and method for shield machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6905979B2 (en) * | 2015-10-28 | 2021-07-21 | ザ ロビンス カンパニー | Cutter assembly with in-line mount |
-
2021
- 2021-01-28 CN CN202110116075.6A patent/CN112761656B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040993A (en) * | 1999-05-21 | 2001-02-13 | Nkk Corp | Method for changing cutter bit and device therefor |
| JP2003082987A (en) * | 2001-09-10 | 2003-03-19 | Komatsu Ltd | Support structure of various apparatuses in tunnel boring machine |
| CN111157388A (en) * | 2019-12-31 | 2020-05-15 | 西南交通大学 | Test bed capable of simulating tool behaviors at each position of cutter head |
| CN111473923A (en) * | 2020-05-15 | 2020-07-31 | 上海隧道工程有限公司 | Normal-pressure cutter inspection device and method for shield machine |
Non-Patent Citations (1)
| Title |
|---|
| 盾构隧道刀具更换技术综述;陈健;刘红军;闵凡路;刘海;;中国公路学报(10);40-50 * |
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| CN112761656A (en) | 2021-05-07 |
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