CN114017046B - Synchronous grouting cleaning device for subway shield in muddy soft soil stratum - Google Patents
Synchronous grouting cleaning device for subway shield in muddy soft soil stratum Download PDFInfo
- Publication number
- CN114017046B CN114017046B CN202111196465.5A CN202111196465A CN114017046B CN 114017046 B CN114017046 B CN 114017046B CN 202111196465 A CN202111196465 A CN 202111196465A CN 114017046 B CN114017046 B CN 114017046B
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- fixedly connected
- wall
- grouting
- side wall
- supporting
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- 238000004140 cleaning Methods 0.000 title claims abstract description 27
- 239000002689 soil Substances 0.000 title claims abstract description 27
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 238000007789 sealing Methods 0.000 claims description 40
- 238000003825 pressing Methods 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 14
- 238000007569 slipcasting Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 30
- 238000005096 rolling process Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- 238000009412 basement excavation Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000011440 grout Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
- E21D9/0873—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines the shield being provided with devices for lining the tunnel, e.g. shuttering
-
- 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
-
- 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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a synchronous grouting cleaning device for a subway shield in a muddy soft soil stratum, which comprises an outer fixing ring, an arc sliding rail, a supporting mechanism and a circumferential driving mechanism, wherein the arc sliding rail is fixed in the outer fixing ring, three or more supporting mechanisms are connected to the inner side wall of the arc sliding rail in a sliding manner along the circumferential direction of the arc sliding rail, the circumferential driving mechanism is coaxially arranged in the outer fixing ring, the outer side wall of the circumferential driving mechanism is fixedly connected with the supporting mechanism, and an adjustable grouting mechanism is fixedly connected to the supporting mechanism. According to the invention, the hydraulic motor and the gear ring are mutually matched, so that the support mechanism can be driven to circumferentially rotate, and the requirement of quick grouting at different positions is met; in actual grouting, the angle adjusting component can drive the telescopic component to swing back and forth in the radial direction, when slurry is injected into a gap, the head pipe drives the slurry to swing back and forth, and compared with a traditional fixed grouting pipe, the reciprocating swing grouting can enable the slurry to quickly contact the wall surface of a tunnel and the outer wall of a duct piece.
Description
Technical Field
The invention relates to the technical field of shield synchronous grouting. In particular to a synchronous grouting cleaning device for a subway shield in a muddy soft soil stratum.
Background
In tunnel construction, a shield excavation method becomes a main excavation mode, after shield excavation, the diameter of an excavated tunnel is larger than the outer diameter of a spliced duct piece, a certain gap exists between the excavated tunnel and the spliced duct piece, and stability of a tunnel is further affected. In actual synchronous grouting, the grouting pipeline is generally a pipeline with fixed positions, in different stratum, the specific positions are required to be quickly grouting, and when the fixed pipeline is grouting, slurry can only permeate to the specific positions after filling the periphery of the fixed pipeline, so that the actual grouting effect is not guaranteed.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide the synchronous grouting cleaning device for the subway shield in the muddy soft soil stratum, which meets grouting requirements at different positions and improves grouting effects.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a synchronous slip casting belt cleaning device of silt matter soft soil stratum subway shield, includes outer solid fixed ring, fixes circular arc slide rail, supporting mechanism and the circumference actuating mechanism in outer solid fixed ring, the inside wall of circular arc slide rail is along its circumference sliding connection has three or more three supporting mechanism, circumference actuating mechanism coaxial setting is in outer solid fixed ring, just circumference actuating mechanism's lateral wall with supporting mechanism fixed connection, the last adjustable slip casting mechanism that is fixedly connected with of supporting mechanism; the outer fixing ring is fixedly connected with a connecting plate, the outer fixing ring is fixedly connected to the tail of the shield tunneling machine through the connecting plate, and the grouting end of the adjustable grouting mechanism is inserted into a gap between the duct piece and the tunnel wall.
Above-mentioned synchronous slip casting belt cleaning device of silt matter soft soil stratum subway shield, adjustable slip casting mechanism includes flexible subassembly and angle modulation subassembly, angle modulation subassembly fixed connection is in on the supporting mechanism lateral wall, flexible subassembly fixed connection is in on angle modulation subassembly's the regulation, flexible subassembly's tip inserts in the gap between section of jurisdiction and tunnel wall.
The angle adjusting component comprises two fixing plates, fixing blocks, hydraulic cylinders and a frame, wherein the opposite surfaces of the first ends of the two fixing plates are fixedly connected with the two ends of the fixing blocks, the two ends of the frame are respectively and rotatably connected with the opposite surfaces of the second ends of the two fixing plates through pin shafts, the middle part of the frame is provided with a raised bump, one end of each hydraulic cylinder is hinged with the side wall of each fixing block, and the other end of each hydraulic cylinder is hinged with the side wall of the bump at the top of the frame; the telescopic component comprises an outer sleeve, an inner tube and a head tube, wherein the outer sleeve is coaxially sleeved on the inner tube, a sealing sleeve is fixedly connected to the wall of the first end of the inner tube, the outer side wall of the sealing sleeve is in sealing fit with the inner wall of the outer sleeve, a first spring is sleeved on the surface of the inner tube, the first end of the first spring is lapped with the end part of the sealing sleeve, the second end of the first spring is lapped on the inner top wall of the second end of the outer sleeve, the second end of the inner tube is in fluid conduction with the first end of the head tube, a sealing block is in sealing fit with the second end of the head tube, a fixing frame is fixedly connected to the middle part of the inner wall of the head tube, a guide hole is formed in the middle of the fixing frame, a guide rod is fixedly connected to the inner side wall of the sealing block, the end part of the guide rod penetrates through the guide hole and is fixedly connected with a baffle, a second spring is sleeved on the guide rod, one end of the second spring is lapped with the side wall of the baffle, the other end of the second spring is lapped with the side wall of the fixing frame, and the first end of the outer sleeve is in fluid conduction with a hose; the outer sleeve is fixedly connected to the frame; the first end of the fixed plate is fixedly connected to the side wall of the supporting mechanism.
Above-mentioned synchronous slip casting belt cleaning device of silt matter soft soil stratum subway shield, the shape of sealing block is the frustum of a cone form, the second end inner wall of head pipe is the toper, the toper lateral wall of sealing block with the inner wall sealing fit of head pipe second end.
Above-mentioned synchronous slip casting belt cleaning device of silt matter soft soil stratum subway shield, supporting mechanism includes support frame, supporting roller the supporting roller rotates and sets up in the support frame, the lateral wall overlap joint of supporting roller is in on the lateral wall of circular arc slide rail, the one end of support frame with circumference actuating mechanism's lateral wall fixed connection.
Above-mentioned synchronous slip casting belt cleaning device of silt matter soft soil stratum subway shield, the both sides of support frame are fixedly connected with first shower nozzle and second shower nozzle respectively, first shower nozzle with the second shower nozzle all faces the circular arc slide rail sets up, one side of support frame is provided with the bottom plate, bottom plate fixed connection is in on the lateral wall of circumference actuating mechanism, rotate on the lateral wall of bottom plate and be connected with the driving lever, the equal fixedly connected with in both sides of bottom plate presses the valve, press the valve press the end with the lateral wall overlap joint of driving lever, the both sides symmetry fixedly connected with extension spring of driving lever, two the other end of extension spring respectively with bottom plate fixed connection, set up flutedly along its circumference on the inside wall surface of circular arc slide rail, the driving lever inserts in the recess, one press the output of valve with first shower nozzle fluid conduction, another press the output of valve with second shower nozzle fluid conduction.
Above-mentioned synchronous slip casting belt cleaning device of silt matter soft soil stratum subway shield, circumference actuating mechanism includes ring gear and hydraulic motor, the ring gear sets up in the outer fixed ring just the outer wall of ring gear with supporting mechanism's tip fixed connection, fixedly connected with gear on hydraulic motor's the output shaft, hydraulic motor pass through the gear with the ring gear transmission is connected, hydraulic motor's lateral wall pass through the support with outer fixed ring fixed connection.
The technical scheme of the invention has the following beneficial technical effects:
1. according to the invention, the hydraulic motor and the gear ring are mutually matched, so that the support mechanism can be driven to circumferentially rotate, and the requirement of quick grouting at different positions is met; the angle adjusting component in actual grouting can drive the telescopic component to swing back and forth in the radial direction, when slurry is injected into a gap, the head pipe drives slurry to swing back and forth to be injected out, compared with a traditional fixed grouting pipe, the reciprocating swing grouting can enable the slurry to be in quick contact with the wall surface of a tunnel and the outer wall of a duct piece, when soft soil stratum is excavated, particularly the top of the tunnel, the slurry can be in direct contact with the wall of the tunnel after excavation, the slurry is utilized to keep the stability of a soft soil layer, the grouting pipe at the traditional fixed position is used for grouting, the slurry is filled in the whole gap from bottom to top, the top position of the tunnel is in final contact with the slurry, the grouting effect is poor, and the stability of the soil layer is difficult to be ensured quickly; when grouting, the telescopic component is stretched by the pressure of the slurry and inserted into the gap, so that grouting is facilitated, and when grouting stopping is needed to be greatly adjusted, the telescopic component is shortened, so that collision between the telescopic component and irregular positions of tunnel walls is avoided when the position is adjusted; after the sealing block is propped open under the action of slurry pressure, the slurry is sprayed obliquely along the conical surface of the sealing block, so that the contact effect of the slurry with the pipe piece and the tunnel wall is further improved, the slurry can be sprayed onto the pipe piece under a certain pressure after being sprayed, the effect of the slurry penetrating into the pipe piece gap is improved, the slurry is sprayed onto the pipe piece and the tunnel wall under a certain pressure after flowing and filling the gap at will, and the slurry is sprayed onto the pipe piece and the tunnel wall under a certain pressure after filling the gap, so that the effect of the slurry penetrating is improved; after the circumferential driving mechanism and the angle adjusting component are matched with each other, circumferential swing grouting and radial swing grouting can be synchronously performed, so that grouting effect is further improved.
2. According to the invention, the groove is formed on the inner side of the circular arc slide rail and is matched with the deflector rod, the pressing valve, the first spray head and the second spray head, when the gear ring rotates, the deflector rod obliquely presses the corresponding pressing valve, so that the corresponding spray head sprays cleaning liquid, the supporting roller is kept in the advancing direction of the circular arc slide rail, and the surface of the circular arc slide rail is always in a clean state, so that the operation life of the circular arc slide rail and the supporting roller is prolonged, and the operation stability of the whole equipment is improved.
Drawings
FIG. 1 is a schematic view of a bottom perspective structure of the present invention;
FIG. 2 is a schematic top perspective view of the present invention;
FIG. 3 is a schematic diagram of the front view of the adjustable grouting mechanism of the present invention;
FIG. 4 is a schematic perspective view of an adjustable grouting mechanism according to the present invention;
FIG. 5 is a schematic elevational cross-sectional view of the telescoping assembly of the present invention;
FIG. 6 is an enlarged schematic view of FIG. 5B of the present invention;
FIG. 7 is a schematic elevational view of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7A according to the present invention;
FIG. 9 is a schematic view of the assembly of the base plate, tension spring, lever and push valve of the present invention;
FIG. 10 is a schematic cross-sectional view of a support mechanism and a circular arc slide rail of the present invention.
The reference numerals in the drawings are as follows: 1-an outer fixing ring; 2-connecting plates; 3-arc slide rails; 301-grooves; 4-gear ring; 5-a supporting mechanism; 501-supporting frames; 502-supporting rollers; 6-an adjustable grouting mechanism; 601-an outer sleeve; 602-an inner tube; 603-sealing sleeve; 604-a first spring; 605-head tube; 606-a sealing block; 607-a fixing frame; 608-a second spring; 609—a guide bar; 610-baffle; 611-hose; 612-fixing plate; 613-a fixed block; 614-hydraulic cylinder; 615-frame; 7-a hydraulic motor; 8-a first spray head; 9-a second nozzle; 10-a bottom plate; 101-a tension spring; 102-a deflector rod; 103-pressing the valve.
Detailed Description
Referring to fig. 1 and 2, the synchronous grouting cleaning device for the subway shield in the muddy soft soil stratum of the embodiment comprises an outer fixing ring 1, an arc sliding rail 3 fixed in the outer fixing ring 1, a supporting mechanism 5 and a circumferential driving mechanism, wherein three or more supporting mechanisms 5 are slidably connected to the inner side wall of the arc sliding rail 3 along the circumferential direction of the arc sliding rail, the circumferential driving mechanism is coaxially arranged in the outer fixing ring 1, the outer side wall of the circumferential driving mechanism is fixedly connected with the supporting mechanism 5, and an adjustable grouting mechanism 6 is fixedly connected to the supporting mechanism 5; the utility model discloses a quick grouting device for the shield machine, including outer solid fixed ring 1, outer solid fixed ring 1 passes through connecting plate 2 fixed connection is in shield machine's afterbody, adjustable grouting mechanism 6's slip casting end inserts in the gap between section of jurisdiction and tunnel wall, as shown in fig. 6, circumference actuating mechanism includes ring gear 4 and hydraulic motor 7, ring gear 4 sets up in the outer solid fixed ring 1 just the outer wall of ring gear 4 with the tip fixed connection of supporting mechanism 5, fixedly connected with gear on the output shaft of hydraulic motor 7, hydraulic motor 7 pass through the gear with ring gear 4 transmission is connected, hydraulic motor 7's lateral wall pass through the support with outer solid fixed ring 1 fixed connection, through setting up hydraulic motor 7 and ring gear 4 mutually support, can realize driving supporting mechanism 5 circumference rotation to satisfy the quick slip casting of different positions needs.
As shown in fig. 3 and fig. 4, the adjustable grouting mechanism 6 comprises a telescopic component and an angle adjusting component, the angle adjusting component is fixedly connected to the side wall of the supporting mechanism 5, the telescopic component is fixedly connected to the adjusting end of the angle adjusting component, the end of the telescopic component is inserted into a gap between a duct piece and a tunnel wall, the angle adjusting component comprises two fixing plates 612, fixing blocks 613, hydraulic cylinders 614 and a frame 615, two opposite surfaces of the first ends of the fixing plates 612 are fixedly connected with two ends of the fixing blocks 613, two ends of the frame 615 are respectively connected with two opposite surfaces of the second ends of the fixing plates 612 in a rotating mode through a pin shaft, a protruding bump is arranged in the middle of the frame 615, one end of the hydraulic cylinder 614 is hinged to the side wall of the fixing block 613, the other end of the hydraulic cylinder 614 is hinged to the bump side wall of the top of the frame 615, the angle adjusting component can drive the telescopic component to swing back and forth in the radial direction in the actual grouting, when the grout is injected into the gap, the head pipe drives the swing of the grout to swing, compared with the traditional grouting pipe, the grout can be in the poor and can be in contact with the top wall of the soft soil layer, the top wall of the tunnel, the grouting pipe can be in the poor stability, the grouting pipe can be in the top wall of the tunnel, and the top wall of the tunnel can be in the tunnel, and the position of the tunnel can be in the tunnel stable, and the top soil layer can be in the tunnel stable, and the position, and the soil layer can be in the tunnel, and the soil layer can be in the soil.
As shown in fig. 5, the telescopic assembly comprises an outer sleeve 601, an inner tube 602 and a head tube 605, the outer sleeve 601 is coaxially sleeved on the inner tube 602, a sealing sleeve 603 is fixedly connected to the wall of a first end of the inner tube 602, the outer side wall of the sealing sleeve 603 is in sealing fit with the inner wall of the outer sleeve 601, a first spring 604 is sleeved on the surface of the inner tube 602, the first end of the first spring 604 is lapped with the end part of the sealing sleeve 603, the second end of the first spring 604 is lapped on the inner top wall of a second end of the outer sleeve 601, as shown in fig. 6, the second end of the inner tube 602 is in fluid communication with the first end of the head tube 605, a sealing block 606 is in sealing fit with the second end of the head tube 605, a fixing frame 607 is fixedly connected to the middle part of the inner wall of the head tube 605, a guide hole is formed in the middle of the fixing frame 607, a guide rod 609 is fixedly connected to the inner side wall of the sealing block 606, the end part of the guide rod 609 passes through the guide hole and is fixedly connected with a baffle 610, the guide rod 610 is sleeved on the guide rod 610, the second spring 608 is sleeved on the guide rod 608, the second end of the guide rod 608 is lapped with the first end of the guide rod 608, and the second end of the guide rod 608 is lapped with the first end of the guide rod 607, and the second end of the guide rod 607; the outer sleeve 601 is fixedly connected to the frame 615; the first end of the fixing plate 612 is fixedly connected to the side wall of the supporting frame 501, the sealing block 606 is in a truncated cone shape, the inner wall of the second end of the head pipe 605 is in a cone shape, the conical side wall of the sealing block 606 is in sealing fit with the inner wall of the second end of the head pipe 605, and the telescopic component is stretched by the pressure of slurry when grouting and inserted into a gap so as to facilitate grouting, and shortens when the grouting stopping requires a large adjustment of the grouting position, so that the telescopic component is prevented from colliding with irregular positions of the tunnel wall when the grouting is stopped; after the sealing block 606 is propped open under the action of slurry pressure, the slurry is ejected obliquely along the conical surface of the sealing block 606, so that the contact effect of the slurry with the pipe piece and the tunnel wall is further improved, the slurry can be ejected onto the pipe piece under a certain pressure, the effect of the slurry penetrating into the pipe piece gap is improved, the slurry is conventionally injected, the slurry flows randomly and fills the gap and then penetrates into the soil layer and the pipe piece gap under a certain pressure, the slurry is firstly ejected onto the pipe piece and the tunnel wall after filling the gap and then penetrates into the soil layer and the pipe piece gap under a certain pressure, the slurry penetrating effect is improved, and the elasticity of the second spring 608 is larger than that of the first spring 604, so that the inner pipe 602 can be ensured to extend completely; after the circumferential driving mechanism and the angle adjusting component are matched with each other, circumferential swing grouting and radial swing grouting can be synchronously performed, so that grouting effect is further improved.
As shown in fig. 8 and 10, the supporting mechanism 5 includes a supporting frame 501, a supporting roller 502, and the supporting roller 502 is rotatably disposed in the supporting frame 501, the side wall of the supporting roller 502 is lapped on the side wall of the circular arc sliding rail 3, and one end of the supporting frame 501 is fixedly connected with the side wall of the gear ring 4.
As shown in fig. 9, the first spray head 8 and the second spray head 9 are fixedly connected to two sides of the supporting frame 501 respectively, the first spray head 8 and the second spray head 9 are all arranged towards the circular arc sliding rail 3, one side of the supporting frame 501 is provided with a bottom plate 10, the bottom plate 10 is fixedly connected to the side wall of the gear ring 4, a deflector rod 102 is rotationally connected to the side wall of the bottom plate 10, two sides of the bottom plate 10 are fixedly connected with a pressing valve 103, the pressing ends of the pressing valve 103 are in lap joint with the side wall of the deflector rod 102, tension springs 101 are symmetrically and fixedly connected to two sides of the deflector rod 102, the other ends of the tension springs 101 are respectively and fixedly connected with the bottom plate 10, grooves 301 are formed in the inner side wall surface of the circular arc sliding rail 3 along the circumferential direction of the circular arc sliding rail, the deflector rod 102 is inserted into the grooves 301, the output ends of the pressing valve 103 are in fluid conduction with the first spray head 8, the output ends of the pressing valve 103 are in fluid conduction with the second spray head 9, the input ends of the pressing valve 103 are in fluid conduction with the conveying ends of the second spray head 9, the pressing valve 103 are in fluid conduction with the corresponding rolling rail 3, the conveying valve 103 are in fluid conduction with the corresponding grooves 502, and the rolling rail 3 are in the rolling rail 3, the rolling rail 3 is in the corresponding groove 3, the rolling direction is in the rolling direction, the rolling rail 3 is in the rolling rail 3, the rolling direction is in the rolling rail 3, the rolling rail is in the corresponding state, the rolling rail 3, the rolling rail is in the rolling rail 3, and the rolling rail is in the corresponding state, and the rolling rail 3, and the cleaning device is in the rolling rail 3, and has the rolling device has the corresponding rolling device, and has the cleaning device, and has the 3.
The working flow is as follows: when the shield machine is used, the outer fixing ring 1 is fixed with the shield machine through the connecting plate 2, the hydraulic motor 7 and the hydraulic cylinder 614 are connected with a hydraulic station, and the input end of the pressing valve 103 is communicated with cleaning liquid;
when grouting is required to be performed at a certain specific position, a hydraulic motor 7 is started, the hydraulic motor 7 drives a gear ring 4 to rotate, a supporting frame 501 is driven to synchronously move, a supporting roller 502 rolls on an arc sliding rail 3 to play a role in supporting and positioning the gear ring 4, the supporting frame 501 drives an adjustable grouting mechanism 6 to move, after the gear ring 4 rotates to a required position point, a hose 611 is connected with a grouting pump, a hydraulic cylinder 614 is controlled to reciprocate, a head pipe 605 is driven to swing towards a position close to a pipe piece when the hydraulic cylinder 614 stretches, the head pipe 605 is driven to swing towards a tunnel wall when the hydraulic cylinder 614 contracts, a grouting pump is started, grouting is performed at a certain pressure, grouting liquid enters an outer sleeve 601 and an inner pipe 602, under the action of pressure, a jacking inner pipe 602 extends out of the outer sleeve 601, the head pipe 605 is inserted into a gap, a grouting liquid jacking sealing block 606 overcomes the resistance of a second spring 608 along with the gradual increase of grouting pressure, the grouting liquid is sprayed out from a gap opened by the sealing block 606 along with the swing of the head pipe 605, and the grouting liquid is sprayed onto the tunnel wall and the pipe 605; when grouting is stopped, the inner pipe 602 is contracted and reset under the action of the first spring 604, and the sealing block 606 is sealed with the head pipe 605 again under the action of the second spring 608;
when the gear ring 4 moves, the cleaning liquid delivery pump is started, the gear ring 4 synchronously drives the bottom plate 10 and the deflector rod 102 to move, and because the deflector rod 102 is inserted into the groove 301, when the bottom plate 10 and the deflector rod 102 move, under the action of the groove 301, the end part of the deflector rod 102 is pushed to incline to the rear of the moving direction, the tension spring 101 at one side of the deflector rod 102 is tensioned, the deflector rod 102 obliquely presses the corresponding pressing valve 103, the corresponding pressing valve 103 is opened, cleaning liquid flows to the corresponding spray head positioned at the front of the moving direction through the pressing valve 103, the cleaning liquid is sprayed to the circular arc slide rail 3, the circular arc slide rail 3 is cleaned, and the deflector rod 102 is continuously pressed against the surface of the circular arc slide rail 3 and falls into the groove 301 due to the tension of the stretched tension spring 101, so that the corresponding pressing valve 103 is continuously opened and closed to realize pulse cleaning of the circular arc slide rail 3, and when the gear ring 4 stops moving, the cleaning liquid delivery pump is closed; the gear ring 4 moves reversely, the cleaning liquid delivery pump is started again, the gear ring 4 drives the bottom plate 10 and the deflector rod 102 to rotate reversely, the deflector rod 102 is pushed reversely to incline after falling into the groove 301, the pressing valve 103 which is opened previously is not pressed to be closed, and meanwhile, the deflector rod 102 inclines to the other side to press the pressing valve 103 which is opened at the other side, so that the other nozzle is opened, and the arc sliding rail 3 which is positioned in front of the supporting roller in reverse rotation is cleaned.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While the obvious variations or modifications which are extended therefrom remain within the scope of the claims of this patent application.
Claims (5)
1. The utility model provides a synchronous slip casting belt cleaning device of silt matter soft soil stratum subway shield, its characterized in that includes outer solid fixed ring (1), fixes circular arc slide rail (3) in outer solid fixed ring (1), supporting mechanism (5) and circumference actuating mechanism, the inside wall of circular arc slide rail (3) along its circumference sliding connection have three or more supporting mechanism (5), circumference actuating mechanism coaxial arrangement is in outer solid fixed ring (1), just circumference actuating mechanism's lateral wall with supporting mechanism (5) fixed connection, fixedly connected with adjustable slip casting mechanism (6) on supporting mechanism (5); the outer fixed ring (1) is fixedly connected with a connecting plate (2), the outer fixed ring (1) is fixedly connected to the tail part of the shield machine through the connecting plate (2), and the grouting end of the adjustable grouting mechanism (6) is inserted into a gap between a duct piece and a tunnel wall;
the adjustable grouting mechanism (6) comprises a telescopic component and an angle adjusting component, the angle adjusting component is fixedly connected to the side wall of the supporting mechanism (5), the telescopic component is fixedly connected to the adjusting end of the angle adjusting component, and the end part of the telescopic component is inserted into a gap between a duct piece and a tunnel wall;
the angle adjusting assembly comprises two fixing plates (612), fixing blocks (613), a hydraulic cylinder (614) and a frame (615), wherein the opposite surfaces of the first ends of the two fixing plates (612) are fixedly connected with the two ends of the fixing blocks (613), the two ends of the frame (615) are respectively and rotatably connected with the opposite surfaces of the second ends of the two fixing plates (612) through pin shafts, a raised bump is arranged in the middle of the frame (615), one end of the hydraulic cylinder (614) is hinged with the side wall of the fixing block (613), and the other end of the hydraulic cylinder (614) is hinged with the bump side wall at the top of the frame (615); the telescopic component comprises an outer sleeve (601), an inner tube (602) and a head tube (605), wherein the outer sleeve (601) is coaxially sleeved on the inner tube (602), a sealing sleeve (603) is fixedly connected to the wall of a first end of the inner tube (602), the outer side wall of the sealing sleeve (603) is in sealing fit with the inner wall of the outer sleeve (601), a first spring (604) is sleeved on the surface of the inner tube (602), the first end of the first spring (604) is in lap joint with the end part of the sealing sleeve (603), the second end of the first spring (604) is in lap joint with the inner top wall of the second end of the outer sleeve (601), the second end of the inner tube (602) is in fluid communication with the first end of the head tube (605), a sealing block (606) is in sealing fit with the second end of the head tube (605), a fixing frame (607) is fixedly connected to the middle part of the inner wall of the head tube (605), a guide hole is formed in the middle of the fixing frame (607), a guide rod (609) is fixedly connected to the inner side wall of the sealing block (604), a guide rod (609) is fixedly connected to the inner side wall of the sealing block (606), the guide rod (609) is in lap joint with the end part of the guide rod (608), and the guide rod (608) is in lap joint with the guide rod (610), the other end of the second spring (608) is overlapped with the side wall of the fixed frame (607), and a hose (611) is in fluid conduction with the first end of the outer sleeve (601); the outer sleeve (601) is fixedly connected to the frame (615); the first end of the fixed plate (612) is fixedly connected to the side wall of the supporting mechanism (5).
2. The synchronous grouting cleaning device for the subway shield in the muddy soft soil stratum according to claim 1, wherein the sealing block (606) is in a truncated cone shape, the inner wall of the second end of the head pipe (605) is conical, and the conical side wall of the sealing block (606) is in sealing fit with the inner wall of the second end of the head pipe (605).
3. The synchronous grouting cleaning device for the subway shield in the muddy soft soil stratum according to claim 1, wherein the supporting mechanism (5) comprises a supporting frame (501), supporting rollers (502) and the supporting rollers (502) are rotatably arranged in the supporting frame (501), the side walls of the supporting rollers (502) are lapped on the side walls of the circular arc sliding rails (3), and one end of the supporting frame (501) is fixedly connected with the side walls of the circumferential driving mechanism.
4. The synchronous grouting cleaning device for the subway shield in the muddy soft soil stratum according to claim 3 is characterized in that a first spray head (8) and a second spray head (9) are fixedly connected to two sides of the supporting frame (501) respectively, the first spray head (8) and the second spray head (9) are both arranged towards the circular arc sliding rail (3), a bottom plate (10) is arranged on one side of the supporting frame (501), the bottom plate (10) is fixedly connected to the side wall of the circumferential driving mechanism, a deflector rod (102) is rotationally connected to the side wall of the bottom plate (10), pressing valves (103) are fixedly connected to two sides of the bottom plate (10), pressing ends of the pressing valves (103) are overlapped with the side wall of the deflector rod (102), tension springs (101) are symmetrically and fixedly connected to two sides of the deflector rod (102), grooves (301) are formed in one side wall of the supporting frame (501) along the circumferential direction, the grooves (103) are inserted into the grooves, and one fluid outlet end (103) is connected to the other fluid outlet end (9).
5. The synchronous grouting cleaning device for the subway shield in the muddy soft soil stratum according to claim 1, characterized in that the circumferential driving mechanism comprises a gear ring (4) and a hydraulic motor (7), the gear ring (4) is arranged in the outer fixed ring (1) and the outer wall of the gear ring (4) is fixedly connected with the end part of the supporting mechanism (5), a gear is fixedly connected to an output shaft of the hydraulic motor (7), the hydraulic motor (7) is in transmission connection with the gear ring (4) through the gear, and the side wall of the hydraulic motor (7) is fixedly connected with the outer fixed ring (1) through a bracket.
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| CN116950694B (en) * | 2023-09-18 | 2023-11-21 | 中交隧道工程局有限公司 | Grouting device for shield tunnel |
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| CN114017046A (en) | 2022-02-08 |
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