CN113482520B - Drilling equipment for shield tunnel connecting channel - Google Patents
Drilling equipment for shield tunnel connecting channel Download PDFInfo
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- CN113482520B CN113482520B CN202110832801.4A CN202110832801A CN113482520B CN 113482520 B CN113482520 B CN 113482520B CN 202110832801 A CN202110832801 A CN 202110832801A CN 113482520 B CN113482520 B CN 113482520B
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- 238000005553 drilling Methods 0.000 title claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000002596 correlated effect Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 15
- 238000010276 construction Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The application provides drilling equipment for a shield tunnel connecting channel, which is characterized by comprising a lathe bed, a driving mechanism and a driven wheel, wherein the driving mechanism and the driven wheel are arranged on the lathe bed; the sleeve is connected with the driven wheel, the driving mechanism is provided with a driving wheel and a motor, the driving wheel is driven by the motor to rotate, and the driving wheel is meshed with the driven wheel, so that the driven wheel and the sleeve are driven to rotate relative to the lathe bed; the driving mechanism is correspondingly arranged with the driven wheel to drive the driven wheel and the sleeve to horizontally move relative to the lathe bed; meanwhile, the cutter is arranged at one end of the sleeve, which is far away from the driven wheel, and under the combined action of the horizontal drive of the driving mechanism and the rotary drive of the driving wheel, the rotary propulsion of the driven wheel, the sleeve and the cutter is realized, so that the automatic drilling operation is realized, and the drilling efficiency is improved.
Description
Technical Field
The application relates to the technical field of tunnel construction, in particular to drilling equipment for a shield tunnel connecting channel.
Background
Due to the limitation of the closed space of the subway, a certain potential safety hazard is brought to the operation of the subway, and once the subway is in fire, the result is very serious. The direction of the heat waves, toxic gases and the like is consistent with the direction of people flow escape from bottom to top, and the device is particularly unfavorable for people evacuation, escape and the like in subways.
In order to solve the problem, a communication channel is arranged between two single-line-section tunnels, so that the hazard value of fire to subways is reduced. At present, shield construction is a main construction method for subway section tunnel construction, but the communication channel engineering quantity is small and is generally positioned below a current road or an underground pipeline, and due to the limitation of environmental conditions, the existing large-scale excavating equipment is difficult to enter, so that the drilling efficiency is low.
Disclosure of Invention
In view of the above, the embodiment of the application aims to provide a drilling device for a shield tunnel connecting channel, so as to solve the problem of low drilling efficiency of the shield tunnel connecting channel.
The drilling equipment for the shield tunnel connection channel provided by the embodiment of the application comprises the following components: a bed body; the driven wheel is arranged on the lathe bed, and horizontally moves and rotates relative to the lathe bed, and a driven gear is arranged on the circumferential surface of the driven wheel; the sleeve is connected with the driven wheel; the driving mechanism is arranged on the lathe bed and corresponds to the driven wheel, and the driving mechanism horizontally moves relative to the lathe bed; the driving wheel is arranged on the driving mechanism and comprises a driving gear meshed with the driven gear of the driven wheel; the motor is arranged on the driving mechanism, is in transmission connection with the driving wheel and is used for driving the driving wheel to rotate; and the cutter is arranged at one end of the sleeve, which is far away from the driven wheel.
In an embodiment, the drilling device of the shield tunnel connection channel further comprises: the jack is arranged at one end, far away from the driven wheel, of the driving mechanism and is used for driving the driving mechanism to horizontally move relative to the lathe bed.
In an embodiment, the jack comprises a hydraulic jack, the number of the jacks comprises a plurality of jacks, and the jacks are distributed on the surface of one side, far away from the driven wheel, of the driving mechanism at equal intervals.
In an embodiment, the lathe bed comprises a groove, a part of the driving mechanism and a part of the driven wheel are arranged in the groove, and the extending direction of the groove is parallel to the axial direction of the driving mechanism and the driven wheel.
In an embodiment, the number of the driving wheels includes a plurality, the number of the motors includes a plurality, the number of the driving wheels is equal to the number of the motors, the diameter of the driving wheels is smaller than that of the driven wheels, and the driving wheels and the motors are distributed at the circumferential edge positions of the driving mechanism at equal intervals.
In one embodiment, the driven wheel has a diameter less than the inner diameter of the sleeve.
In one embodiment, the tool includes a cutterhead and a plurality of cutting bits distributed over the cutterhead.
In one embodiment, the shape of the drive mechanism comprises a cylinder, and the inner diameter of the drive mechanism is equal to the inner diameter of the sleeve, and the outer diameter of the drive mechanism is equal to the outer diameter of the sleeve.
In one embodiment, the driven wheel is bolted to the sleeve through a plurality of reamed holes.
In an embodiment, the distance between the motor and the axis of the driving mechanism is positively correlated with the radius of the driving wheel and the radius of the driven wheel.
The drilling equipment for the shield tunnel connecting channel is characterized in that a lathe bed, a driving mechanism and a driven wheel are arranged on the lathe bed; the sleeve is connected with the driven wheel, the driving mechanism is provided with a driving wheel and a motor, the driving wheel is driven by the motor to rotate, and the driving wheel is meshed with the driven wheel, so that the driven wheel and the sleeve are driven to rotate relative to the lathe bed; the driving mechanism is correspondingly arranged with the driven wheel to drive the driven wheel and the sleeve to horizontally move relative to the lathe bed; meanwhile, the cutter is arranged at one end of the sleeve, which is far away from the driven wheel, and under the combined action of the horizontal drive of the driving mechanism and the rotary drive of the driving wheel, the rotary propulsion of the driven wheel, the sleeve and the cutter is realized, so that the automatic drilling operation is realized, and the drilling efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a drilling device for a shield tunnel connection channel according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a drilling apparatus according to an embodiment of the present application.
Fig. 3 is a schematic structural view of a driving wheel of a drilling apparatus according to an embodiment of the present application.
Fig. 4 is a schematic structural view of a driven wheel of a drilling apparatus according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Furthermore, in the exemplary embodiments, since the same reference numerals denote the same components having the same structures or the same steps of the same methods, if an embodiment is exemplarily described, only structures or methods different from those of the described embodiment will be described in other exemplary embodiments.
Throughout the specification and claims, when an element is referred to as being "connected" to another element, the one element can be "directly connected" to the other element or be "electrically connected" to the other element through a third element. Furthermore, unless explicitly described to the contrary, the term "comprising" and its corresponding terms should be construed to include only the recited components and should not be construed to exclude any other components.
Fig. 1 is a schematic structural diagram of a drilling device for a shield tunnel connection channel according to an embodiment of the present application. As shown in fig. 1, the drilling device for the shield tunnel connection channel comprises: the machine tool comprises a machine body 1, a driven wheel 2, a sleeve 3, a driving mechanism 4, a driving wheel 5, a motor 6 and a cutter 7; the driven wheel 2 is arranged on the lathe bed 1, the driven wheel 2 horizontally moves and rotates relative to the lathe bed 1, a driven gear is arranged on the circumferential surface of the driven wheel 2, the sleeve 3 is connected with the driven wheel 2, the driving mechanism 4 is arranged on the lathe bed 1 and corresponds to the driven wheel 2, the driving mechanism 4 horizontally moves relative to the lathe bed 1, the driving wheel 5 is arranged on the driving mechanism 4, the driving wheel 5 comprises a driving gear meshed with the driven gear of the driven wheel 2, the motor 6 is arranged on the driving mechanism 4, the motor 6 is in transmission connection with the driving wheel 5 and is used for driving the driving wheel 5 to rotate, and the cutter 7 is arranged at one end of the sleeve 3 far away from the driven wheel 2.
The configuration of the construction mechanical equipment by the communication channel sleeve drilling method is mainly based on the premise of meeting the construction requirements of the site, and meanwhile, the overall coordination of the equipment on the site is considered, so that the equipment can be used more effectively and reasonably. The drilling equipment needs to meet drilling requirements, needs to be provided with a fixed sleeve, enables the sleeve to rotate to cut the pipe piece and advance the soil under the action of a jack of a reclining system, and is provided with a telescopic and fixable jacking column in the middle of the drilling machine to serve as a support of tunnel pipe pieces around a working face, and the size needs to be matched with the size of the opening diameter of a communication channel. The cutter with special configuration can cut the pipe piece under certain power, assemble the sleeve, make the sleeve become the primary support structure of the connecting channel, and the mechanical drilling of the connecting channel is smoothly carried out by the configuration of a guiding system, electronic coordination and the like. The rotating speed of the drilling machine at the positions of the concrete patch and the pipe piece is 4r/min, and the power P=140 kW. The backing equipment system mainly provides the jacking force of the drilling machine, the maximum jacking force needs to be met, the stability is certain, the whole system is required to be installed by being matched with the size of the working face of the tunnel, and the requirement of casing drilling construction can be met.
The rotary motion is used to effect rotation of the casing 3 and the cutters 7 on the casing 3 relative to the bed 1 so that the cutters 7 cut the pipe pieces and the soil. The motor 6 (such as a hydraulic motor) is mainly used for providing power, and the motor 6 is arranged on the driving mechanism 4 to drive the driving wheel 5 to perform rotary motion. When the driving mechanism 4 is in contact with the sleeve 3, the driving wheel 5 is engaged with the driven wheel 2, and the driving force of the motor 6 transmits the rotational motion to the driven wheel 2 through the gear transmission. The driven wheel 2 and the sleeve 3 can be fixedly connected through 12 reaming bolts, so that rotary motion is transmitted to the sleeve 3, the sleeve 3 and the cutter 7 can be fixedly connected in the same reaming bolt connection mode, and finally rotary motion of the sleeve 3 and the cutter 7 is realized. Briefly, the rotational motion transfer process is: motor 6 → driving wheel 5 → driven wheel 2 → sleeve 3 → cutter 7.
The calculation process of the number of the reaming bolts adopted for the fixed connection between the driven wheel and the sleeve and between the sleeve and the cutter is as follows:
the shear strength conditions of the bolt rod with the reaming hole are as follows:
wherein: f (F) R The diameter d of the shank of the bolt is chosen to be d=20 mm, the number of shearing faces m=1, depending on the wall thickness of the sleeve being 22mm, for the shearing force to be applied to the individual bolts.
Shear force applied to a single bolt:
wherein: casing torque t= 334.25 ×10 6 N·mm, N is the number of bolts, sleeve radius r=1655 mm.
Shear stress is allowed for bolts:
wherein: sigma (sigma) s Is the yield limit sigma s ＝300MPa，[S r ]To permit shear stress safety factor, [ S ] under dynamic load r ]＝5。
To sum up, the number n of reaming bolts should be:
and (3) calculating to obtain n which is more than or equal to 10.71, and finally selecting the number of the bolts of the reaming holes n=12 to meet the working torque requirement of drilling machinery by considering various uncertain factors and the design processing of the reaming holes in the actual processing process.
In an embodiment, as shown in fig. 1, the drilling device for the shield tunnel connection channel may further include: the jack 8 is arranged at one end of the driving mechanism 4 far away from the driven wheel 2 and is used for driving the driving mechanism 4 to horizontally move relative to the lathe bed 1.
The jack 8 (such as a hydraulic jack and the like) at the rear side of the driving mechanism 4 provides power, the jack 8 is arranged at the rear side of the driving mechanism 4, when the hydraulic system is started, the jack 8 starts to work, the driving mechanism 4 horizontally moves along an I-shaped track on a lathe bed by pushing the reclining system, when the driving mechanism 4 is contacted with the driven wheel 2, the horizontal movement is transmitted to the driven wheel 2, and the driven wheel 2 is fixedly connected with the sleeve 3 by means of a hinged hole bolt, so that the sleeve 3 and the cutter 7 thereof also move along with the horizontal movement of the driven wheel 2, and the horizontal movement is realized. Briefly, the horizontal movement transfer process is: the back rest system, the hydraulic jack 8, the driving mechanism 4, the driven wheel 2, the sleeve 3 and the cutter 7.
The drilling equipment for the shield tunnel connecting channel is characterized in that a lathe bed, a driving mechanism and a driven wheel are arranged on the lathe bed; the sleeve is connected with the driven wheel, the driving mechanism is provided with a driving wheel and a motor, the driving wheel is driven by the motor to rotate, and the driving wheel is meshed with the driven wheel, so that the driven wheel and the sleeve are driven to rotate relative to the lathe bed; the driving mechanism is correspondingly arranged with the driven wheel to drive the driven wheel and the sleeve to horizontally move relative to the lathe bed; meanwhile, the cutter is arranged at one end of the sleeve, which is far away from the driven wheel, and under the combined action of the horizontal drive of the driving mechanism and the rotary drive of the driving wheel, the rotary propulsion of the driven wheel, the sleeve and the cutter is realized, so that the automatic drilling operation is realized, and the drilling efficiency is improved.
In an embodiment, the jack 8 may include a hydraulic jack, and the number of jacks 8 may include a plurality of jacks 8 equally spaced on a surface of the driving mechanism 4 on a side away from the driven wheel 2.
By providing a plurality of jacks 8 to achieve uniform stress of the driving mechanism 4, resistance in the horizontal movement process of the driving mechanism 4 is reduced, and the requirement of drilling driving force can be ensured by using large driving force of hydraulic driving by adopting hydraulic jacks. When the plurality of jacks 8 are adopted to push the driving mechanism 4 to perform linear motion, synchronous motion of the jacks 8 is needed to be considered, drilling bulge caused by uneven load of the driving mechanism 4 due to unsynchronized motion is prevented, and the realization of the synchronous motion of the plurality of jacks 8 can be regulated and controlled by adopting a PLC jack synchronous control system and mainly comprises a hydraulic pump station, a PLC computer control system, a hydraulic system, displacement pressure detection and a human-computer interface operation system. The displacement and pressure of each jack 8 are detected in real time through a sensor, the detection result is fed back to a PLC computer control system, the system calculates displacement deviation and transmits the control result to a hydraulic system, synchronous movement of a plurality of jacks 8 is achieved, and the PLC jack synchronous control system can be arranged in the lathe bed 1.
The jack 8 can be of a model DYG 100/300, the output thrust is 100t, the stroke is 300mm, the rod diameter is 100mm, and the outer diameter is 180mm. For example, four jacks 8 are used for pushing, the total pushing force is 400t, and the use requirement is met.
When the pushing driving mechanism 4 moves, the jack 8 needs to be contracted when the working stroke of the jack 8 reaches 300mm, a reclining block with the length of 300mm is arranged on the reclining system, and the pushing work of the sleeve is finally completed through the repeated iteration process.
Fig. 2 is a schematic structural diagram of a drilling apparatus according to an embodiment of the present application. As shown in fig. 2, the bed 1 may include a groove 11 and a bed rail 12 located in the groove 11, a portion of the driving mechanism 4 and a portion of the driven wheel 2 are disposed in the groove 11 and located on the bed rail 12, and an extending direction of the groove 11 is parallel to an axial direction of the driving mechanism 4 and the driven wheel 2. The size of the machine bed 1 is mainly determined according to the tunnel size of a reclining system, the machine bed track 12 supports and guides the driving mechanism 4, the driven wheel 2 and the sleeve 3, the sleeve 3 can rotate and linearly move on the machine bed track 12, and the driving mechanism 4 can only linearly move along the drilling direction. The main dimensions of the bed 1 are as follows: length a=3000 mm, width b=3310 mm, height h=765 mm; the width of the bed rail 12 is 200mm.
In an embodiment, the number of the driving wheels 5 may include a plurality, the number of the motors 6 includes a plurality, and the number of the driving wheels 5 is equal to the number of the motors 6, the diameter of the driving wheels 5 is smaller than the diameter of the driven wheels 2, and the driving wheels 5 and the motors 6 are equally spaced at the circumferential edge position of the driving mechanism 4. The hydraulic motor has the characteristics of speed regulation, good stability, compact structure and the like, and the control system of the hydraulic motor is arranged in the lathe bed and is connected with the hydraulic motor through an oil circuit. The hydraulic motor adopts BMV-400, the rotating speed is 10-500 r/min, and the stable output power is 47kW.
Fig. 3 is a schematic structural view of a driving wheel of a drilling apparatus according to an embodiment of the present application. As shown in fig. 3, the driving wheel 5 connects the motor 6 with the driven wheel 2, and the output of the motor 6 is transmitted to the driven wheel 2 through gear engagement, so as to drive the sleeve 3 to perform rotary motion. To meet the rotation speed requirement, gear ratio is adoptedWherein z is 1 Z is the number of teeth of the driving wheel 5 2 For the number of teeth of the driven wheel 2, the main parameters of the driving wheel 5 are selected as follows: tooth width b 1 =40 mm, modulus m=20, number of teeth z 1 ＝16。
Since the gear train transmission ratio is set to i=10, the device rotational speed ranges from 1 to 50r/min. Three hydraulic motors are selected to drive the sleeve, so that the total power of the equipment is 47 multiplied by 3=141 kW, and the use requirement is met.
FIG. 4 shows a drilling apparatus according to an embodiment of the present applicationAnd the structure of the spare driven wheel is schematically shown. As shown in fig. 4, the diameter of the driven wheel 2 is smaller than the inner diameter of the sleeve 3. The driven wheel 2 is directly fixed with the sleeve 3 to drive the sleeve 3 to rotate. The design of the driven wheel 2 needs to consider the diameter of the sleeve 3, and the diameter of the addendum circle of the driven wheel 2 should be smaller than the inner diameter of the sleeve 3, namely:ensuring that the drive mechanism 4 has planar contact with the sleeve 3 to transmit the driving force of the horizontal movement. Since the modulus m=20 is chosen, the addendum coefficient +.>Calculate the available z 2 < 161.3, select z 2 =160. The main parameters of the driven wheel 2 are as follows: tooth width b 2 =50mm, modulus m=20, number of teeth z 2 ＝160。
In one embodiment, the cutter 7 may include a cutter head and a plurality of cutting bits distributed over the cutter head. The casing 3 is the most important component of the drilling apparatus, following the cutters 7, during the drilling process into the earth. The main parameters of the sleeve 3 include: outer diameter d=3310 mm, inner diameter d=3266 mm, length l=1400 mm; the cutter 7 cuts earth in the drilling process, and in order to ensure that the sleeve 3 advances smoothly, the friction of the segment broken part or surrounding soil to the sleeve 3 is considered, factors such as correction process are satisfied, and main parameters of the cutter head include: outer diameter d=3330 mm, inner diameter d=3246 mm.
In the drilling construction process, mechanical drilling is performed by a cutter 7 on the first pipe joint, the cutter 7 and the first pipe joint are connected into a whole, and the arrangement of the cutter 7 needs to be capable of cutting complex or hard soil layers. In the drilling process of the drilling equipment, friction of the broken part of the pipe piece or surrounding soil to the sleeve is required to be reduced, and the factors such as the deviation correcting process are met. The cross section of the sleeve 3 is in a circular ring shape, the outer diameter of the cutter 7 is required to be 20mm larger than that of the sleeve, and the inner diameter is 20mm smaller than that of the sleeve 3. I.e. a cutter head 10mm larger than the outside of the inside of the sleeve 3.
In an embodiment, the shape of the drive mechanism 4 may comprise a cylinder, and the inner diameter of the drive mechanism 4 is equal to the inner diameter of the sleeve 3, and the outer diameter of the drive mechanism 4 is equal to the outer diameter of the sleeve 3. The driving mechanism 4 serves as an intermediate structure to transmit the pushing force of the jack 8 to the sleeve 3 so as to realize the movement of the sleeve 3 in the horizontal direction. The left side of the driving mechanism 4 is fixedly connected with the jack 8, and the right end is in surface contact with the sleeve 3. The driving mechanism 4 adopts a cylindrical shape, and in order to ensure good surface contact with the sleeve 3, the inner diameter and the outer diameter of the driving mechanism are the same as those of the sleeve 3, namely, the outer diameter D=3310 mm, the inner diameter d=3266 mm and the length l=950 mm.
In an embodiment, the distance between the motor 6 and the axis of the driving mechanism 4 may be positively correlated with the radius of the driving wheel 5, the driven wheel 2.
The radial position of the hydraulic motor 6 is determined according to the center distance between the driving wheel 5 and the driven wheel 2: the axial distance between the hydraulic motor 6 and the drive mechanism 4 is 1760mm.
The above mentionedThe present application is not limited to the preferred embodiments, but is intended to cover modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (7)
1. Drilling equipment of shield tunnel contact passageway, characterized by, include:
the lathe bed comprises a groove and a lathe bed track positioned in the groove;
the driven wheel is arranged on the lathe bed, and horizontally moves and rotates relative to the lathe bed, and a driven gear is arranged on the circumferential surface of the driven wheel;
the sleeve is connected with the driven wheel;
the driving mechanism is arranged on the lathe bed and corresponds to the driven wheel, the driving mechanism horizontally moves relative to the lathe bed, part of the driving mechanism and part of the driven wheel are arranged in the groove, and the extending direction of the groove is parallel to the axial directions of the driving mechanism and the driven wheel;
the driving wheel is arranged on the driving mechanism and comprises a driving gear meshed with the driven gear of the driven wheel;
the motor is arranged on the driving mechanism, the motor is in transmission connection with the driving wheel and used for driving the driving wheel to rotate, the number of the driving wheels comprises a plurality of motors, the number of the driving wheels is equal to the number of the motors, the diameter of the driving wheel is smaller than that of the driven wheel, the diameter of the driven wheel is smaller than the inner diameter of the sleeve, and the driving wheel and the motor are distributed at the circumferential edge position of the driving mechanism at equal intervals; and
the cutter is arranged at one end of the sleeve, which is far away from the driven wheel.
2. The drilling apparatus for a shield tunnel connection passage according to claim 1, further comprising:
the jack is arranged at one end, far away from the driven wheel, of the driving mechanism and is used for driving the driving mechanism to horizontally move relative to the lathe bed.
3. The drilling apparatus for a shield tunnel connection passage according to claim 2, wherein the jacks include hydraulic jacks, and the number of the jacks includes a plurality, and the plurality of the jacks are equally spaced apart from a side surface of the driving mechanism away from the driven wheel.
4. The apparatus of claim 1 wherein said cutter comprises a cutterhead and a plurality of cutting bits distributed on said cutterhead.
5. The apparatus of claim 1, wherein the drive mechanism comprises a cylindrical shape and has an inner diameter equal to an inner diameter of the casing and an outer diameter equal to an outer diameter of the casing.
6. The apparatus for boring a shield tunnel junction according to claim 1, wherein the driven wheel is bolted to the casing via a plurality of reamed holes.
7. The apparatus according to claim 1, wherein the distance between the motor and the shaft center of the driving mechanism is positively correlated with the radius of the driving wheel and the radius of the driven wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110832801.4A CN113482520B (en) | 2021-07-22 | 2021-07-22 | Drilling equipment for shield tunnel connecting channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110832801.4A CN113482520B (en) | 2021-07-22 | 2021-07-22 | Drilling equipment for shield tunnel connecting channel |
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| CN113482520A CN113482520A (en) | 2021-10-08 |
| CN113482520B true CN113482520B (en) | 2023-08-25 |
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| CN202110832801.4A Active CN113482520B (en) | 2021-07-22 | 2021-07-22 | Drilling equipment for shield tunnel connecting channel |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2649801A1 (en) * | 2006-06-16 | 2007-12-21 | Vermeer Manufacturing Company | Microtunnelling system and apparatus |
| CN102278120A (en) * | 2010-06-08 | 2011-12-14 | 上海力行工程技术发展有限公司 | Shield center cutting device for rotating by separately driving |
| CN106948833A (en) * | 2017-04-05 | 2017-07-14 | 宁波大学 | Pin-connected panel service channel structure and its construction method |
| CN107956477A (en) * | 2018-01-11 | 2018-04-24 | 中铁工程装备集团机电工程有限公司 | Shield service channel heading equipment |
| CN110030011A (en) * | 2019-05-28 | 2019-07-19 | 中国铁建重工集团股份有限公司 | Construction equipment and construction method for tunnel connection channel |
| CN111140242A (en) * | 2019-12-05 | 2020-05-12 | 中国地质大学（武汉） | TBM aircraft nose that possesses advanced prediction function more than kilometer |
-
2021
- 2021-07-22 CN CN202110832801.4A patent/CN113482520B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2649801A1 (en) * | 2006-06-16 | 2007-12-21 | Vermeer Manufacturing Company | Microtunnelling system and apparatus |
| CN104695865A (en) * | 2006-06-16 | 2015-06-10 | 维米尔制造公司 | Microtunnelling system and apparatus |
| CN102278120A (en) * | 2010-06-08 | 2011-12-14 | 上海力行工程技术发展有限公司 | Shield center cutting device for rotating by separately driving |
| CN106948833A (en) * | 2017-04-05 | 2017-07-14 | 宁波大学 | Pin-connected panel service channel structure and its construction method |
| CN107956477A (en) * | 2018-01-11 | 2018-04-24 | 中铁工程装备集团机电工程有限公司 | Shield service channel heading equipment |
| CN110030011A (en) * | 2019-05-28 | 2019-07-19 | 中国铁建重工集团股份有限公司 | Construction equipment and construction method for tunnel connection channel |
| CN111140242A (en) * | 2019-12-05 | 2020-05-12 | 中国地质大学（武汉） | TBM aircraft nose that possesses advanced prediction function more than kilometer |
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| CN113482520A (en) | 2021-10-08 |
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