CN113389563B - Drilling equipment in tunnel push pipe thixotropic mud slip casting hole - Google Patents

Drilling equipment in tunnel push pipe thixotropic mud slip casting hole Download PDF

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Publication number
CN113389563B
CN113389563B CN202110889041.0A CN202110889041A CN113389563B CN 113389563 B CN113389563 B CN 113389563B CN 202110889041 A CN202110889041 A CN 202110889041A CN 113389563 B CN113389563 B CN 113389563B
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China
Prior art keywords
drilling
push rod
threaded
threaded shaft
rack
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CN202110889041.0A
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CN113389563A (en
Inventor
朱永超
孙洪硕
苏丹娜
刘恺亮
牛丽薇
刘阳
王大帅
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Zhengzhou Asia Europe Transportation Vocational College
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Zhengzhou Asia Europe Transportation Vocational College
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    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a thixotropic slurry device for a push pipe pipeline in subway tunnel construction, which comprises a rack, wherein a drilling mechanism is connected on the rack, a grouting hole drilled on a push pipe by the drilling mechanism is a cylindrical through hole, an annular clamping groove is polished on the inner wall of the through hole by the drilling mechanism, an extension frame is arranged in the drilling mechanism, and the extension frame extrudes and contacts the inner wall of the push pipe to ensure that the axis of a second threaded shaft is superposed with the axis of the push pipe, so that the drilled grouting holes on the push pipe are uniformly distributed, thixotropic slurry is uniformly distributed around the push pipe in the pipe jacking process, the wall fixing and lubricating effects are realized, and the frictional resistance of a soil body is reduced; stop thick liquid stopper urceolus, stretch out fixture block, a center section of thick bamboo and constitute detachable and end thick liquid stopper structure, improve and end the thick liquid stopper convenience when dismantling and changing.

Description

Drilling equipment in tunnel push pipe thixotropic mud slip casting hole
Technical Field
The invention relates to the field of tunnel jacking pipes, in particular to a drilling device for thixotropic slurry grouting holes of tunnel jacking pipes.
Background
In the pipe jacking construction of a subway tunnel, the wall fixing and lubricating effects are realized by generally utilizing a method of injecting thixotropic slurry to the periphery of a pipe jacking so as to reduce the frictional resistance of a soil body, slurry injection holes on a single pipe jacking are required to be uniformly distributed, so that the thixotropic slurry can be uniformly distributed around the pipe jacking to play a good lubricating and drag reducing effect, and if the thixotropic slurry is not uniformly distributed outside the pipe wall and the pipe jacking is extruded at a place with more thixotropic slurry, the pipe jacking can generate the axial deviation in the jacking process; and the grouting hole on the existing push pipe is provided with the grout stop plug, if the grout stop plug is blocked in the construction process, the grout stop plug is not easy to detach and replace, so workers generally do not replace the blocked grout stop plug, thixotropic slurry injected into the grouting hole can be extruded mutually and flows to the periphery of the blocked grouting hole, and thus the thixotropic slurry is seriously unevenly distributed, and adverse effects such as push pipe deviation and land uplift are caused.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention aims to provide a drilling device for thixotropic slurry injection holes of a tunnel jacking pipe, which can drill a plurality of slurry injection holes uniformly on the jacking pipe, so that the thixotropic slurry injected in the jacking pipe is uniformly distributed, and a slurry stop plug arranged in the drilled slurry injection holes can be conveniently detached and replaced.
The drilling device comprises a rack, wherein a drilling mechanism is connected to the rack and comprises a vertical guide rail, the guide rail is fixedly connected with the rack, an extending frame is matched with the guide rail in a sliding manner, a vertical first threaded shaft is rotatably connected to the extending frame, and the first threaded shaft is driven by an external power source; a drilling motor which is in screw transmission through a first threaded shaft is vertically and slidably connected to the stretching frame, an output shaft of the drilling motor is vertically arranged, and a drilling sleeve which is vertically and slidably connected to the stretching frame is sleeved on the output shaft of the drilling motor; two fixing blocks are connected to the drilling sleeve in a sliding mode along the front-back direction, the two fixing blocks are opposite to the front side and the back side of the first threaded shaft, threaded grooves matched with the first threaded shaft are formed in the fixing blocks, a pre-tightening spring is connected between the two fixing blocks, and the two fixing blocks are attached to each other in an initial state; an opening and closing mechanism is connected between the fixed blocks, when the opening and closing mechanism is started, the two fixed blocks are mutually far away, the transmission between the two fixed blocks and the first threaded shaft is disconnected, and the vertical movement of the fixed blocks is also limited; the drilling sleeve is elastically connected with a grinding drill bit along the radial direction in a sliding manner, one end, far away from the axis of the drilling sleeve, of the grinding drill bit is arranged on the outer side of the drilling sleeve, and one end, close to the axis of the drilling sleeve, of the grinding drill bit head is arranged on the inner side of the drilling sleeve; a trigger push rod positioned below the grinding drill bit is coaxially arranged on an output shaft of the drilling motor, is in a shuttle shape, contacts the grinding drill bit when moving upwards and pushes the grinding drill bit to slide towards the direction far away from the axis of the drilling sleeve; the lower end of the drilling sleeve is coaxially fixed with a punching drill, and in an initial state, the drilling radius of the punching drill is larger than the distance between one end of the grinding drill, which extends out of the drilling sleeve, and the first set of coaxial line.
Preferably, the opening and closing mechanism comprises an unlocking push rod and semi-elliptical grooves, the semi-elliptical grooves are formed in the fixing blocks, the two semi-elliptical grooves are symmetrical and communicated, and when the two fixing blocks are attached, the two semi-elliptical grooves form a complete elliptical groove; the unlocking push rod is transversely arranged and connected to the extending frame, slides along the vertical direction, rotates along the axis of the unlocking push rod, is in an oval shape matched with the oval groove, is driven by an external power source and is driven by the oval groove, and when the unlocking push rod rotates, the two fixed blocks are far away from each other; the unlocking push rod is provided with an angle sensor, the stretching frame is provided with electromagnetic chucks which correspond to the two fixing blocks one by one, the rack is provided with a control module, the angle sensor and the electromagnetic chucks are respectively and electrically connected with the control module, and the fixing blocks are made of iron products.
Preferably, a second transverse threaded shaft is rotatably connected to the rack and is arranged above the drilling mechanism, an adjusting motor is fixed to the rack, and an output shaft of the adjusting motor is coaxially connected with the second threaded shaft; the drilling mechanisms are uniformly distributed along the circumferential direction of the second threaded shaft; third threaded shafts which correspond to the drilling mechanisms one by one and are arranged along the radial direction of the second threaded shafts are rotatably connected to the rack, the third threaded shafts are in threaded connection with the extending frame, the third threaded shafts are fixedly sleeved with bevel gears, and the second threaded shaft sleeves are fixedly provided with bevel gear discs which are meshed with the plurality of bevel gears one by one; when the second threaded shaft rotates, the extending frame slides towards the direction far away from the second threaded shaft.
Preferably, the second threaded shaft is in threaded connection with a propulsion disc, a limiting rod which is transversely arranged and fixed on the rack is slidably arranged on the propulsion disc in a penetrating manner, the propulsion disc is rotatably connected with first rotating shafts which are transversely and in one-to-one correspondence with the plurality of drilling mechanisms, the first rotating shafts are connected with second rotating shafts which are obliquely arranged through universal joints, and the lower ends of the second rotating shafts are connected with the upper ends of the first threaded shaft through the universal joints; the propelling disc is rotatably connected with a gear ring coaxial with the second threaded shaft, the gear ring is provided with internal teeth and external teeth, the propelling disc is fixed with a feeding motor, an output shaft of the feeding motor is sleeved with a first gear which is inherently meshed with the external teeth, and a first rotating shaft is sleeved with a second gear which is inherently meshed with the internal teeth.
Preferably, the slurry stopping plug further comprises a vertical slurry stopping plug outer cylinder, a limiting lantern ring is fixedly sleeved at the upper end of the slurry stopping plug outer cylinder, an extending fixture block is elastically and slidably connected to the slurry stopping plug outer cylinder along the radial direction, a coaxial central cylinder is in threaded transmission on the inner wall of the slurry stopping plug outer cylinder and is located above the extending fixture block, and when moving downwards, the central cylinder is in contact with the extending fixture block and pushes the extending fixture block out of the slurry stopping plug outer cylinder.
Preferably, the drilling motor, the adjusting motor and the feeding motor are respectively and electrically connected with the control module, the stretching frame is fixedly provided with a protection pad, the unlocking push rod is fixedly provided with a rotating handle, and the lower end of the rack is transversely connected with a movable lifting table in a sliding manner.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. the plurality of stretching frames stretch out in a sliding mode and are in extrusion contact with the inner wall of the jacking pipe, so that the axis of the second threaded shaft is coaxial with the axis of the jacking pipe, and the distribution uniformity of the grouting holes on the jacking pipe is greatly improved.
2. The movable lifting table is matched with the adjusting motor for use, the extending distance of the extending frame can be adjusted, the device can adapt to jacking pipes with different pipe diameters, and the application range of the device is widened.
3. The hole drilled on the top pipe by the drilling mechanism is matched with the outer cylinder of the grout stop plug, the central cylinder and the extending clamping block to form a grout stop plug structure convenient to detach and replace, and the convenience of the grout stop plug is greatly improved.
4. According to the thickness of the pipe wall of the jacking pipe, the position of the grinding drill bit grinding clamping groove can be adjusted, the corresponding slurry stop plug outer barrel is selected, the trigger push rod is in a shuttle shape, the depth of the grinding drill bit grinding clamping groove is adjusted by using the trigger push rods with different slopes, and the adaptability of the device on drilling is improved.
5. The feeding speed of the drilling mechanism is adjusted by adjusting the rotating speed of the feeding motor, so that the pipe wall drilling of the jacking pipes with different strengths is adapted.
6. The protection pad increases the friction force between the stretching frame and the pipe wall of the jacking pipe, and also serves as a transition element for extrusion contact between the stretching frame and the pipe wall of the jacking pipe, and the flexible material of the protection pad plays a good role in shock absorption, so that the adverse effect of the shock in the drilling process on the pipe walls of the stretching frame and the jacking pipe is effectively prevented.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a perspective view of the present invention.
FIG. 3 is an enlarged view of a portion of FIG. 2A according to the present invention.
Fig. 4 is a partial enlarged view of B in fig. 2 according to the present invention.
Fig. 5 is a perspective view showing a partial structure of the present invention.
FIG. 6 is a partial enlarged view of C in FIG. 5 according to the present invention.
Fig. 7 is a first structural view of a drilling mechanism part of the present invention.
Fig. 8 is a second structural view of the drilling mechanism portion of the present invention.
Fig. 9 is a half sectional view showing a part of the drilling mechanism of the present invention.
Fig. 10 is a partial enlarged view of D in fig. 9 according to the present invention.
Fig. 11 is a structural view of a fixed block portion in an initial state of the present invention.
Fig. 12 is a structural view of a fixed block part when the unlocking push rod of the present invention rotates 45 °.
Figure 13 is a block diagram of a semi-elliptical trough of the present invention.
FIG. 14 is a block diagram of a portion of the drill sleeve of the present invention.
FIG. 15 is a half section view of a drill sleeve portion of the present invention.
Fig. 16 is a partial enlarged view of E of fig. 15 according to the present invention.
FIG. 17 is a structural view of the outer cylinder part of the grout stop plug of the present invention.
FIG. 18 is a half-section structure view of the outer cylinder part of the grout stop plug of the present invention.
Fig. 19 is an enlarged view of a portion F of fig. 18 according to the present invention.
The attached drawings are marked as follows: 1-a rack, 2-a guide rail, 3-a guide groove, 4-an extension frame, 5-a placement groove, 6-a first threaded shaft, 7-a motor guide block, 8-a drilling motor, 9-a drilling sleeve, 10-a sleeve guide block, 11-a fixed block, 12-a pre-tightening spring, 13-an unlocking push rod, 14-a semi-elliptical groove, 15-an abdicating groove, 16-a sliding groove, 17-a circular ring fixture block, 18-an electromagnetic chuck, 19-a grinding drill bit, 20-a reset plate, 21-a reset spring, 22-a trigger push rod, 23-a punching drill bit, 24-a second threaded shaft, 25-an adjusting motor, 26-a third threaded shaft, 27-a transmission plate, 28-a bevel gear, 29-a bevel gear disc, 30-a propulsion disc, 31-a limiting rod, 32-a first rotating shaft, 33-a second rotating shaft, 34-a gear ring, 35-a feeding motor, 36-a first gear, 37-a second gear, 38-a pulp stop plug, 39-a sleeve ring, 40-an extension block, 41-a central cylinder, 43-a movable lifting and lifting platform.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 19.
Embodiment 1, a drilling device for a tunnel pipe jacking thixotropic slurry grouting hole comprises a rack 1, wherein a drilling mechanism is connected to the rack 1, the drilling mechanism comprises a vertical guide rail 2, the guide rail 2 is fixedly connected with the rack 1 through a plate, a guide groove 3 on the guide rail 2 is vertically arranged, and the lower end of the guide groove 3 penetrates through the guide rail 2 and is communicated with the outside; the guide rail 2 is in sliding fit with an extending frame 4, the extending frame 4 is a vertically arranged square body, a vertically arranged placing groove 5 is formed in the extending frame 4, a vertical first threaded shaft 6 which is rotatably connected to the extending frame 4 is arranged in the placing groove 5, the upper end of the first threaded shaft 6 penetrates through the upper wall of the extending frame 4 and is arranged in a guide groove 3 of the guide rail 2, and the upper end of the first threaded shaft 6 is driven by an external power source; a motor guide block 7 is matched in the placing groove 5 in a sliding mode, a first threaded shaft 6 vertically penetrates through the motor guide block 7 and is in threaded transmission with the motor guide block 7, a drilling motor 8 arranged on the right side of the placing groove 5 is fixedly connected to the motor guide block 7, an output shaft of the drilling motor 8 is vertically arranged, a drilling sleeve 9 is vertically sleeved on the output shaft of the drilling motor 8 in a sliding mode, a sleeve guide block 10 which is in sliding fit in the placing groove 5 is rotatably connected to the upper end of the drilling sleeve 9, two fixing blocks 11 are connected to the sleeve guide block 10 in a sliding mode in the front-back direction, the two fixing blocks 11 are opposite to the front side and the back side of the first threaded shaft 6, threaded grooves matched with the first threaded shaft 6 are formed in the fixing blocks 11, a pre-tightening spring 12 arranged in the front-back direction is connected between the two fixing blocks 11, and the two fixing blocks 11 are mutually attached in an initial state; an opening and closing mechanism is connected between the fixed blocks 11 and comprises an unlocking push rod 13 and a semi-elliptical groove 14, the semi-elliptical groove 14 is formed in the left wall of the fixed blocks 11 and is arranged at one end close to the first threaded shaft 6, the two semi-elliptical grooves 14 are symmetrical and communicated, and when the two fixed blocks 11 are in a fit state, the two semi-elliptical grooves 14 form a complete elliptical groove; a vertical abdicating groove 15 is formed in the left wall of the extending frame 4, the right end of the abdicating groove 15 is communicated with the placing groove 5, an unlocking push rod 13 is transversely arranged and connected to the extending frame 4, the unlocking push rod 13 penetrates through the abdicating groove 15, the left end of the unlocking push rod 13 is arranged outside, the right end of the unlocking push rod 13 is arranged in the placing groove 5, vertical sliding grooves 16 which are opposite to the front side and the rear side of the abdicating groove 15 are formed in the extending frame 4, the sliding grooves 16 are communicated with the abdicating groove 15, an inherent circular clamping block 17 is sleeved on the unlocking push rod 13, the thickness of the circular clamping block 17 is the same as the width of the sliding groove 16, the front part of the circular clamping block 17 is arranged in the sliding groove 16 on the front side of the abdicating groove 15, the rear part of the circular clamping block 17 is arranged in the sliding groove 16 on the rear side of the abdicating groove 15, the unlocking push rod 13 can only vertically slide and rotate along the self axis under the limiting action of the circular clamping block 17 and the sliding groove 16, the right end of the unlocking push rod 13 is arranged in a shape matched with the elliptical power source, and the unlocking push rod 13 is driven by the external power source to rotate along the left end and the elliptical push rod 13; an angle sensor is installed on the unlocking push rod 13, electromagnetic chucks 18 which correspond to the two fixing blocks 11 one by one are installed on the stretching frame 4, the electromagnetic chucks 18 are square and vertically arranged, a control module is installed on the rack 1, the angle sensor and the electromagnetic chucks 18 are respectively and electrically connected with the control module, and the fixing blocks 11 are made of iron; after the unlocking push rod 13 rotates 45 degrees, the angle sensor detects and transmits a signal to the control module, the control module transmits the signal to the electromagnetic chuck 18, the electromagnetic chuck 18 is electrified and adsorbs and fixes the fixed block 11 corresponding to the electromagnetic chuck 18, and at the moment, the fixed block 11 is disconnected from the transmission with the first threaded shaft 6; four grinding bits 19 are connected to the drilling sleeve 9 in a sliding manner along the radial direction, the four grinding bits 19 are uniformly distributed on the drilling sleeve 9 along the circumference, one end, far away from the axis of the drilling sleeve 9, of each grinding bit 19 is arranged on the outer side of the drilling sleeve 9, one end, close to the axis of the drilling sleeve 9, of each grinding bit 19 is arranged on the inner side of the drilling sleeve 9, one end, close to the axis of the drilling sleeve 9, of each grinding bit 19 is fixedly connected with a vertical reset plate 20, the upper end and the lower end of each reset plate 20 are respectively and fixedly connected with reset springs 21 arranged along the radial direction of the drilling sleeve 9, the two reset springs 21 are arranged on the upper side and the lower side of each grinding bit 19 oppositely, and one end, close to the inner wall of the drilling sleeve 9, of each reset spring 21 is fixedly connected with the drilling sleeve 9; the lower end of the output shaft of the drilling motor 8 is coaxially and fixedly connected with a vertical trigger push rod 22, the trigger push rod 22 is arranged in the drilling sleeve 9 and is arranged below the grinding bit 19, the trigger push rod 22 is in a shuttle shape, and when moving upwards, the trigger push rod 22 is in contact with the grinding bit 19 and pushes the grinding bit 19 to slide towards the direction far away from the axis of the drilling sleeve 9; the lower end of the drilling sleeve 9 is coaxially fixed with a perforating drill bit 23, and in an initial state, the drilling radius of the perforating drill bit 23 is larger than the distance between one end of the grinding bit 19 extending out of the drilling sleeve 9 and the axis of the drilling sleeve.
Embodiment 2, on the basis of embodiment 1, the frame 1 is rotatably connected with a second threaded shaft 24 which is transversely arranged, the second threaded shaft 24 is arranged right above the drilling mechanism, the frame 1 is fixed with an adjusting motor 25, an output shaft of the adjusting motor 25 is coaxially connected with the second threaded shaft 24, and the adjusting motor 25 drives the second threaded shaft 24 to rotate; the drilling mechanisms are multiple and are uniformly distributed along the circumferential direction of the second threaded shaft 24; a third threaded shaft 26 which corresponds to the plurality of drilling mechanisms one by one is rotatably connected to the frame 1, the axis of the third threaded shaft 26 is arranged along the radial direction of the second threaded shaft 24, a transmission plate 27 is fixedly connected to the left wall of the extension frame 4, the third threaded shaft 26 penetrates through the corresponding transmission plate 27 and is in threaded connection with the transmission plate 27, a bevel gear 28 is fixedly sleeved at the upper end of the third threaded shaft 26, and a bevel gear disc 29 which is meshed with the plurality of bevel gears 28 one by one is fixedly sleeved at the left end of the second threaded shaft 24; when the second screw shaft 24 is rotated, the extending frame 4 slides in a direction away from the second screw shaft 24.
Embodiment 3, on the basis of embodiment 2, the second threaded shaft 24 is in threaded connection with a coaxial propulsion disc 30, a transversely-arranged limiting rod 31 is slidably arranged on the propulsion disc 30 in a penetrating manner, the left end of the limiting rod 31 is fixedly connected to the frame 1, and when the second threaded shaft 24 rotates, the propulsion disc 30 transversely moves; the propelling disc 30 is rotatably connected with first rotating shafts 32 which are in one-to-one correspondence with the plurality of drilling mechanisms, the first rotating shafts 32 are transversely arranged, the first rotating shafts 32 are connected with second rotating shafts 33 which are obliquely arranged through universal joints, the lower ends of the second rotating shafts 33 are connected with the upper ends of the first threaded shafts 6 through the universal joints, when the first rotating shafts 32 rotate, the first rotating shafts 32 drive the second rotating shafts 33 to rotate, and the second rotating shafts 33 drive the first threaded shafts 6 to rotate; a gear ring 34 coaxial with the second threaded shaft 24 is rotatably connected to the propulsion disc 30, the gear ring 34 is arranged on the right side of the propulsion disc 30, inner teeth and outer teeth are formed in the gear ring 34, the inner teeth comprise a plurality of teeth which are formed in the inner wall of the gear ring 34 and are uniformly distributed in the circumferential direction of the gear ring 34, the outer teeth comprise a plurality of teeth which are formed in the outer wall of the gear ring 34 and are uniformly distributed in the circumferential direction of the gear ring 34, a motor frame is fixedly connected to the left wall of the propulsion disc 30, a feeding motor 35 is fixedly connected to the motor frame, the feeding motor 35 is arranged on the left side of the propulsion disc 30, an output shaft of the feeding motor 35 is transversely arranged, a first gear 36 which is inherently meshed with the outer teeth is sleeved on the output shaft of the feeding motor 35, a second gear 37 which is inherently arranged on the inner side of the gear ring 34 is sleeved on the first rotating shaft 32, and the second gears 37 are meshed with the inner teeth.
Embodiment 4 is based on embodiment 1, and further includes a vertical external cylinder 38 of the grout stop plug, an outer diameter of the external cylinder 38 of the grout stop plug is matched with an aperture drilled by the drill bit 23, a limiting collar 39 is fixed on an upper end of the external cylinder 38 of the grout stop plug, an outer diameter of the limiting collar 39 is larger than the aperture drilled by the drill bit 23, a sliding hole is formed in the external cylinder 38 of the grout stop plug along a radial direction, a protruding fixture block 40 is slidably fitted in the sliding hole along the external cylinder 38 of the grout stop plug, one end of the protruding fixture block 40 close to an axis of the external cylinder 38 of the grout stop plug is extended out of the sliding hole and placed in the external cylinder 38 of the grout stop plug, a spring is connected between one end of the protruding fixture block 40 close to the axis of the external cylinder 38 of the grout stop plug and an inner wall of the external cylinder 38 of the grout stop plug, a position where the protruding fixture block 40 corresponds to a slot to be ground by the grinding bit 19, a central cylinder 41 is threadedly driven on the inner wall of the external cylinder 38 of the grout stop plug, the external cylinder 38 of grout stop plug is coaxial with the central cylinder 41, the central cylinder 41 is located above the protruding fixture block 40, an upper end of the central cylinder 41 is connected to a hexagonal plug, and a lower end of the central cylinder 41 is gradually extended out of the central cylinder 41, and a lower end of the central cylinder is connected to the central cylinder 41 of the central cylinder 41, and the central cylinder is gradually extended out of the central cylinder 41.
Embodiment 5, on the basis of embodiment 4, the drilling motor 8, the adjusting motor 25, and the feeding motor 35 are electrically connected to the control module, respectively, a protection pad 42 is fixed to one end of the extending frame 4 away from the axis of the second threaded shaft 24, the protection pad 42 is square and made of rubber, a rotating handle 43 is fixed to the left end of the unlocking push rod 13, and a movable lifting table 44 is connected to the lower end of the frame 1 in a transverse sliding manner.
When the device is used specifically, the device is moved to the side edge of a pre-punched jacking pipe, then a second threaded shaft 24 is inserted into the jacking pipe, an adjusting motor 25 is started to drive the second threaded shaft 24 to rotate, the second threaded shaft 24 drives a third threaded shaft 26 to rotate, the third threaded shaft 26 drives extension frames 4 to extend out of a guide rail 2 and approach the inner wall of the jacking pipe, meanwhile, a movable lifting platform 44 is started to adjust the height of a rack 1, so that a plurality of extension frames 4 are respectively in extrusion contact with the inner wall of the jacking pipe, the axis of the second threaded shaft 24 is coaxial with the axis of the jacking pipe, so that grouting holes in the jacking pipe are uniformly distributed, thixotropic slurry is uniformly distributed around the jacking pipe in the work of the jacking pipe, in the extension process of the extension frames 4, the second threaded shaft 24 drives a pushing disc 30 to synchronously move leftwards, and the device can be suitable for different pipe diameters by controlling the height of the rack 1 and the adjusting motor 25.
After the stretching frame 4 is in extrusion contact with the inner wall of the pipe jacking, the adjusting motor 25 is stopped, the drilling motor 8 and the feeding motor 35 are started simultaneously, the feeding motor 35 drives the first gear 36 to rotate, the first gear 36 drives the toothed ring 34 to rotate, the toothed ring 34 drives the second gear 37 to rotate, the second gear 37 drives the first rotating shaft 32 to rotate, the first rotating shaft 32 drives the second rotating shaft 33 to rotate, the second rotating shaft 33 drives the first threaded shaft 6 to rotate, the first threaded shaft 6 drives the motor guide block 7 and the fixed block 11 to synchronously move downwards, the motor guide block 7 drives the drilling motor 8 to move downwards, the fixed block 11 drives the sleeve guide block 10 to move downwards, the sleeve guide block 10 drives the drilling sleeve 9 to move downwards, the drilling sleeve 8 drives the drilling bit 23 to move downwards and rotate, and the drilling feed amount is adjusted by controlling the rotating speed of the feeding motor 35.
After downward drilling is completed, the feeding motor 35 is rotated reversely, the second threaded shaft 24 is rotated reversely, the drilling motor 8 and the drilling sleeve 9 start to move upwards, in the process of moving upwards, the rotating handle 43 is rotated by hands, the rotating handle 43 drives the unlocking push rod 13 to rotate, the unlocking push rod 13 pushes the fixing block 11 to slide relatively, the angle sensor transmits a rotation signal of the unlocking push rod 13 to the control module, the control module transmits a signal for electrifying the electromagnetic chuck 18, the electromagnetic chuck 18 adsorbs the fixing block 11, the drilling sleeve 9 stops moving upwards, the drilling sleeve 9 and the drilling motor 8 generate relative motion, the drilling motor 8 drives the trigger push rod 22 to move upwards, the trigger push rod 22 pushes the grinding bit 19 to gradually extend outwards, the inner wall of a drilled hole is ground to form an annular clamping groove, after the drilling motor 8 rises to an initial position, the drilling motor 8 stops, the signal is transmitted to the control module after the drilling motor 8 stops, the control module powers off the electromagnetic chuck 18, the control module drives the rotating handle 43 to move upwards by hands and rotates the rotating handle 43 to reset; the above operation can be performed by rotating the rotating handle 43 at different positions during the upward movement according to the adjustment, so that the position of the annular slot in the grouting hole is changed.
After the grouting hole is punched, the outer cylinder 38 of the grout stopping plug is placed into the grouting hole, the central cylinder 41 is rotated, the central cylinder 41 moves towards the inner side of the outer cylinder 38 of the grout stopping plug, the central cylinder 41 pushes the extending fixture block 40, and the extending fixture block 40 is pushed into the annular clamping groove.
The invention provides a drilling device for a grouting hole on a top pipe in tunnel pipe jacking construction, which drills uniformly distributed grouting holes of thixotropic slurry on the top pipe, and the drilled grouting holes are matched with a detachable grout stop plug structure, so that the convenience of the grout stop plug structure is greatly improved.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.

Claims (4)

1. A drilling device for thixotropic slurry grouting holes of tunnel jacking pipes,
the drilling machine is characterized by comprising a rack (1), wherein a drilling mechanism is connected to the rack (1), the drilling mechanism comprises a vertical guide rail (2), the guide rail (2) is fixedly connected with the rack (1), an extending frame (4) is matched in the guide rail (2) in a sliding manner, a vertical first threaded shaft (6) is rotatably connected to the extending frame (4), and the first threaded shaft (6) is driven by an external power source; a drilling motor (8) which is in screw transmission through a first threaded shaft (6) is vertically and slidably connected to the stretching frame (4), an output shaft of the drilling motor (8) is vertically arranged, and a drilling sleeve (9) which is vertically and slidably connected to the stretching frame (4) is sleeved on the output shaft of the drilling motor (8); two fixing blocks (11) are connected to the drilling sleeve (9) in a sliding mode in the front-back direction, the two fixing blocks (11) are arranged on the front side and the back side of the first threaded shaft (6) oppositely, threaded grooves matched with the first threaded shaft (6) are formed in the fixing blocks (11), a pre-tightening spring (12) is connected between the two fixing blocks (11), and the two fixing blocks (11) are attached to each other in the initial state; an opening and closing mechanism is connected between the fixing blocks (11), when the opening and closing mechanism is started, the two fixing blocks (11) are far away from each other, transmission between the two fixing blocks and the first threaded shaft (6) is disconnected, and vertical movement of the fixing blocks (11) is limited; the drilling sleeve (9) is elastically connected with a grinding bit (19) in a sliding manner along the radial direction, one end, far away from the axis of the drilling sleeve (9), of the grinding bit (19) is arranged on the outer side of the drilling sleeve (9), and one end, close to the axis of the drilling sleeve (9), of the grinding bit (19) is arranged on the inner side of the drilling sleeve (9); a trigger push rod (22) positioned below the grinding bit (19) is coaxially arranged on an output shaft of the drilling motor (8), the trigger push rod (22) is in a shuttle shape, and when moving upwards, the trigger push rod (22) is contacted with the grinding bit (19) and pushes the grinding bit (19) to slide towards the direction far away from the axis of the drilling sleeve (9); a perforating drill bit (23) is coaxially fixed at the lower end of the drilling sleeve (9), and in an initial state, the drilling radius of the perforating drill bit (23) is greater than the distance between one end of the grinding drill bit (19) extending out of the drilling sleeve (9) and the first set of coaxial line;
the opening and closing mechanism comprises an unlocking push rod (13) and a semi-elliptical groove (14), the semi-elliptical groove (14) is formed in the fixing block (11), the two semi-elliptical grooves (14) are symmetrical and communicated, and when the two fixing blocks (11) are attached, the two semi-elliptical grooves (14) form a complete elliptical groove; the unlocking push rod (13) is transversely arranged and connected to the extending frame (4), the unlocking push rod (13) slides vertically, the unlocking push rod (13) rotates along the axis of the unlocking push rod, the right end of the unlocking push rod (13) is in an oval shape matched with the oval groove, the right end of the unlocking push rod (13) is arranged in the oval groove, the unlocking push rod (13) is driven by an external power source, and when the unlocking push rod (13) rotates, the two fixing blocks (11) are far away from each other; an angle sensor is installed on the unlocking push rod (13), electromagnetic chucks (18) which are in one-to-one correspondence with the two fixed blocks (11) are installed on the stretching frame (4), a control module is installed on the rack (1), the angle sensor and the electromagnetic chucks (18) are respectively and electrically connected with the control module, and the fixed blocks (11) are made of iron materials;
a second transverse threaded shaft (24) which is arranged above the drilling mechanism is rotatably connected to the rack (1), an adjusting motor (25) is fixed to the rack (1), and an output shaft of the adjusting motor (25) is coaxially connected with the second threaded shaft (24); the drilling mechanisms are uniformly distributed along the circumferential direction of the second threaded shaft (24); third threaded shafts (26) which correspond to the drilling mechanisms one by one and are arranged along the radial direction of the second threaded shafts (24) are rotatably connected to the rack (1), the third threaded shafts (26) are in threaded connection with the extending frame (4), the third threaded shafts (26) are fixedly sleeved with bevel gears (28), and the second threaded shafts (24) are fixedly sleeved with bevel gear discs (29) which are meshed with the bevel gears (28) one by one; when the second threaded shaft (24) rotates, the extending frame (4) slides in the direction away from the second threaded shaft (24).
2. The drilling device for the thixotropic slurry grouting hole in the tunnel jacking pipe according to claim 1, wherein a propulsion disc (30) is connected to the second threaded shaft (24) in a threaded manner, a limiting rod (31) which is transversely arranged and fixed on the rack (1) penetrates through the propulsion disc (30) in a sliding manner, first rotating shafts (32) which are transversely arranged and correspond to the plurality of drilling mechanisms in a one-to-one manner are rotatably connected to the propulsion disc (30), second rotating shafts (33) which are obliquely arranged are connected to the first rotating shafts (32) through universal joints, and the lower ends of the second rotating shafts (33) are connected with the upper ends of the first threaded shafts (6) through the universal joints; a gear ring (34) coaxial with the second threaded shaft (24) is rotatably connected to the propulsion disc (30), inner teeth and outer teeth are formed in the gear ring (34), a feeding motor (35) is fixed to the propulsion disc (30), a first gear (36) meshed with the outer teeth is inherently sleeved on an output shaft of the feeding motor (35), and a second gear (37) meshed with the inner teeth is inherently sleeved on the first rotating shaft (32).
3. The drilling device for the tunnel pipe jacking thixotropic slurry grouting hole according to claim 1, characterized by further comprising a vertical grout stop plug outer cylinder (38), wherein a limiting sleeve ring (39) is fixedly sleeved on the upper end of the grout stop plug outer cylinder (38), an extending fixture block (40) is elastically and slidably connected to the grout stop plug outer cylinder (38) in the radial direction, a coaxial central cylinder (41) is in threaded transmission on the inner wall of the grout stop plug outer cylinder (38), the central cylinder (41) is located above the extending fixture block (40), and the central cylinder (41) contacts the extending fixture block (40) when moving downwards and pushes the extending fixture block (40) out of the grout stop plug outer cylinder (38).
4. The drilling device for the thixotropic slurry grouting hole in the tunnel jacking pipe according to claim 3, wherein the drilling motor (8), the adjusting motor (25) and the feeding motor (35) are respectively and electrically connected with the control module, the extending frame (4) is fixedly provided with a protective pad (42), the unlocking push rod (13) is fixedly provided with a rotating handle (43), and the lower end of the rack (1) is transversely connected with a movable lifting platform (44) in a sliding manner.
CN202110889041.0A 2021-08-04 2021-08-04 Drilling equipment in tunnel push pipe thixotropic mud slip casting hole Active CN113389563B (en)

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CN116122823B (en) * 2023-03-29 2023-08-15 山东鼎昌复合材料有限公司 Tunnel evacuation channel construction device and method
CN116929845B (en) * 2023-06-29 2024-03-29 河北沧美园林绿化工程有限公司 Groundwater sampling equipment that agriculture and forestry water system detected
CN118123082A (en) * 2024-05-10 2024-06-04 泰州新源电工器材有限公司 Annular synchronous punching device of valve side outlet device of converter transformer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104534167A (en) * 2014-12-08 2015-04-22 中国十七冶集团有限公司 Drag reduction method of thixotropic slurry
WO2018101790A1 (en) * 2016-12-01 2018-06-07 안석 Fault fracture zone reinforcement method for rock tbm tunnel
CN110195599A (en) * 2019-06-10 2019-09-03 东北大学 A kind of anti-offset rectangular top pipe connection system and method for rigidity
WO2019200904A1 (en) * 2018-04-19 2019-10-24 中国矿业大学 Multifunctional intelligent tunneling apparatus and method for simulating tunnel partial excavation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104534167A (en) * 2014-12-08 2015-04-22 中国十七冶集团有限公司 Drag reduction method of thixotropic slurry
WO2018101790A1 (en) * 2016-12-01 2018-06-07 안석 Fault fracture zone reinforcement method for rock tbm tunnel
WO2019200904A1 (en) * 2018-04-19 2019-10-24 中国矿业大学 Multifunctional intelligent tunneling apparatus and method for simulating tunnel partial excavation
CN110195599A (en) * 2019-06-10 2019-09-03 东北大学 A kind of anti-offset rectangular top pipe connection system and method for rigidity

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