CN107142967B - Integral sliding structure of water area tunnel formwork supporting structure and inner formwork support - Google Patents
Integral sliding structure of water area tunnel formwork supporting structure and inner formwork support Download PDFInfo
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- CN107142967B CN107142967B CN201710449902.7A CN201710449902A CN107142967B CN 107142967 B CN107142967 B CN 107142967B CN 201710449902 A CN201710449902 A CN 201710449902A CN 107142967 B CN107142967 B CN 107142967B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000009415 formwork Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 171
- 239000010959 steel Substances 0.000 claims abstract description 171
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 17
- 210000001503 joint Anatomy 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000000452 restraining effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 18
- 238000005516 engineering process Methods 0.000 abstract description 12
- 239000012466 permeate Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 11
- 239000010410 layer Substances 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/077—Tunnels at least partially built beneath the water-bed characterised by being made by methods involving disturbance thereof all along the location line, e.g. by cut-and-cover or caisson methods
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0061—Production methods for working underwater
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- 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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Abstract
The invention belongs to the field of buildings, and particularly relates to a water area tunnel formwork supporting structure and an internal mold support integral sliding structure. The concrete pouring device comprises a bottom plate, outer mold supports, inner mold supports, outer mold plates, inner mold plates and opposite-pulling steel bars, wherein the bottom plate is poured with concrete firstly, the outer mold supports are built on two sides of the bottom plate and used for forming an outer mold, the inner mold supports are built on the bottom plate and used for forming an inner mold, the outer mold plates and the inner mold plates are fixedly arranged on the inner sides of the outer mold supports and the outer sides of the inner mold supports respectively, the opposite-pulling steel bars are oppositely pulled between the outer mold supports and positioned above the outer mold plates, and the connecting steel bars are connected between the outer mold supports and the bottom plate, one ends of the connecting steel bars are embedded in the bottom plate in advance, and the other ends of the connecting steel bars extend out of the bottom plate and are connected with the outer mold supports; the Bailey truss non-penetrating split screw formwork supporting technology is adopted, the problem that the traditional waterproof penetrating split bolt tie side wall is easy to permeate water and leak is solved, the influence on the durability of a wall body due to permeation is avoided, the structural integrity is improved on the premise of ensuring the construction workability, and the Bailey truss non-penetrating split screw formwork supporting technology is an outer side wall formwork supporting technology which is scientific in technology, economical and environment-friendly.
Description
Technical Field
The invention belongs to the field of buildings, and particularly relates to a water area tunnel formwork supporting structure and an internal mold support integral sliding structure.
Background
Most structures are located underwater or in soil layers rich in water after the underwater tunnel construction is completed, and the requirements on an outer side wall in direct contact with the outer side are extremely strict. For the vertical component of the common water area, in order to prevent the die expansion caused by overlarge lateral pressure during concrete pouring, a waterproof split bolt is mostly adopted to draw and tie the side die.
Theoretically, the most economical and feasible scheme is to adopt waterproof through split bolts, namely, the outer edge supports for supporting the outer mold and an inner mold support system are connected by the split bolts at multiple points, then concrete pouring is carried out, the split bolts penetrate through the whole concrete layer after the pouring is finished, and in order to prevent water seepage from the penetration positions, the precondition is that the quality of the water stop ring pieces on the waterproof through split bolts is ensured to be absolutely certain, if individual water stop ring pieces are not well welded, concrete vibration is not compact, or lake water without water stop rings is permeated into the tunnel along the split bolts. However, in practical engineering, it is difficult to ensure that each through split bolt is impermeable to water. Therefore, in addition to ensuring that the concrete has high performance indexes of anti-permeability and anti-cracking and the concrete pouring quality of the reinforced structure, the key of the construction is how to support the outer side wall template during the construction of the main body of the tunnel.
For example, in the construction method of the built similar tunnel in China, the outer mold is a large steel mold and an H-shaped steel outer edge support, the inner mold is a steel (wood) mold and a full support system, but when the tunnel structure is high, the concrete lateral pressure is high, a large amount of shaped steel is needed to be used as the outer edge and the support, the construction input cost is correspondingly high, the width of the access passage outside the box body is limited, and the access passage occupied by the outer mold after the outer mold is supported is incapable of passing.
When side wall and roof are constructed to the excavation method of putting a slope in submarine tunnel, because current scheme adopts waterproof cross-core split bolt, then carries out concrete placement, this method need with the whole dismantlement of centre form support then build in next section when carrying out next section and pour, and the engineering time is long, and intensity is big, and is inefficient. The inner mold support is generally a combined support composed of a steel pipe support and a bowl buckle support. At present, the applicant adopts a formwork supporting system without a pair of pull rods, but an internal formwork support still has the defects of large stress, more used rod pieces, low assembling and disassembling speed and high labor intensity of workers during support adjustment.
Disclosure of Invention
The invention aims to provide a water area tunnel formwork supporting structure and an internal mold support integral sliding structure aiming at the problems.
The technical purpose of the invention is realized by the following technical scheme:
a water tunnel formwork supporting structure and an internal mold support integral sliding structure comprise a bottom plate, an external mold support, an internal mold support, an external mold plate, an internal mold plate and a pull steel bar, wherein the bottom plate is poured with concrete firstly, the external mold support is built on two sides of the bottom plate and used for forming an internal mold, the internal mold support is built on the bottom plate and used for forming an internal mold, the external mold plate and the internal mold plate are fixedly arranged on the inner side of the external mold support and the outer side of the internal mold support respectively, the pull steel bar is pulled between the external mold support and positioned above the external mold plate, one end of the pull steel bar is embedded in the bottom plate, and the other end of the pull steel bar extends out of the bottom plate and is connected with the external mold support; the inner mold support comprises a support consisting of a vertical rod and a cross rod, a top support and a bottom support which are detachably arranged at the top and the bottom of the support respectively, at least three tracks which are arranged on a bottom plate and are respectively arranged at the middle part and two sides of the support, and a supporting and moving assembly which is matched with the tracks and is used for erecting the support and enabling the support to slide along the tracks; the supporting and moving assembly comprises an I-shaped steel, a carrying pole beam and a wheel set, wherein the I-shaped steel is inserted into the bottom of the support and used for erecting a cross bar at the bottom of the support, the carrying pole beam is vertically arranged at the bottom of the I-shaped steel, the wheel set is arranged on the carrying pole beam and matched with the track, a supporting sleeve which is sleeved with a lead screw of the bottom support and has a diameter larger than the diameter of a main body of the vertical rod is arranged at the bottom end of the vertical rod along the length direction of the vertical rod, a pipe cavity of the supporting sleeve is communicated with a pipe cavity of the vertical rod, the diameter of the lead screw is smaller than the diameter of the pipe cavity of the vertical rod and can extend into the vertical rod, the pipe wall thickness of the supporting sleeve is larger than that of the pipe cavity of the vertical rod, the pipe cavity of the supporting sleeve is flush with the pipe cavity of the vertical rod, a conveniently passing area (010) is arranged at the bottom of the middle part of the inner mold support along the sliding direction, and the density of at least the cross bar arranged in the conveniently passing area is smaller than that of other areas of the inner mold support is arranged.
The supporting sleeve with the thickened wall thickness greatly improves the supporting strength of butt joint of the vertical rod and the bottom support, and the pipe cavity of the supporting sleeve is flush with the pipe cavity of the vertical rod, so that the retractable adjustable range of the screw rod is enlarged, and the adjustment is convenient.
The reinforced structure mode is beneficial to improving the integrity and durability of the concrete structure of the tunnel in the water area on the premise of not increasing the construction difficulty and relatively saving the engineering cost.
This application is convenient for personnel to pass through from the inside when setting up so that installation or adjustment support through just leading to the district. The convenient passing area penetrates through the whole support along the sliding direction of the inner mold support.
Preferably, the outer mold support is a Bailey truss, the split steel bars and the connecting steel bars are finish-rolled deformed steel bars, the top parts of the two sides of the bottom plate are integrally connected with the root parts of the convex side walls, the connecting steel bars are pre-embedded in the root parts of the side walls, the inner ends of the root parts of the side walls are embedded in the root parts of the side walls, a solid sealing part integrally connected with the root parts of the side walls is reserved between the inner side surfaces of the root parts of the side walls, the Bailey truss comprises a plurality of Bailey groups, each Bailey group comprises two Bailey pieces which are perpendicular to the outer mold plate and fixedly connected through a frame, and the split steel bars are arranged in gaps between the adjacent Bailey groups in a penetrating mode.
Particularly, the pulling steel bars and the connecting steel bars on the two sides of the side wall fix the Bailey truss, and the connecting steel bars do not penetrate through the side wall, so that a through hole is not formed, a direct connecting piece is not arranged between the inner mold support and the outer mold support, no through hole is formed in the whole side wall surface after pouring, and the problem of water seepage of the side wall is thoroughly solved.
Preferably, at least two counter-pulling steel bars arranged in parallel up and down are arranged between the adjacent bailey pieces, the top of the outer template is provided with a distance control cushion block, and the counter-pulling steel bar positioned below is positioned above the distance control cushion block or is abutted against the top of the distance control cushion block.
Because the Bailey beam has the characteristics of bearing larger stress and smaller deflection deformation, the Bailey beam is used as the outer die support back edge, and the problems of installation and support strength of the conventional H-shaped steel outer edge support can be effectively solved by fixing the upper part and the lower part of the Bailey beam, so that the construction input cost is reduced, and the access way on the outer side of the box body is wider.
The height position of the butt joint steel bar is convenient to control through the distance control cushion block, so that the split steel bar cannot be buried when the top of the tunnel is poured, pouring is convenient, and meanwhile, the split steel bar is convenient to position and install.
As preferred, it is adjacent be equipped with two upper and lower parallel arrangement's of bailey group to drawing the billet, to drawing the billet and passing clearance between the adjacent bailey group and stretch out in the bailey truss outside, and two are to drawing the billet and surpass on the bailey truss part spacing strip of spiro union separately, spacing strip turns over to bailey piece one side and turns over a formation hook back portion, to drawing the billet to erect have be used for fixing a position two to drawing the billet and the middle part have can block into the bundle group part of the caulking groove of drawing the billet, hook back portion is around locating on the bundle group part outer wall, bundle group part is including the frame piece main part that has the open caulking groove in bottom, locate articulated shaft at frame piece main part top, articulate the location winding block that can hold location winding block embedding frame piece main part and buckle the caulking groove of drawing the billet, the location winding block is changeed to inboard behind the caulking groove and is gone into corresponding the opposite drawing the billet of opening have along the open location in opposite drawing billet length direction setting and both ends, the open diameter of location is greater than the groove.
Spacing is used for preventing to bundle group's part and deviate from to do benefit to and bundle group's part and reach the effect of more firm billet.
Preferably, the positioning winding block is internally provided with a locking part with a pin hole in an integral connection protrusion between two oppositely-pulled steel bars, the frame block body is internally provided with a locking groove in butt joint with the guide caulking groove, the locking groove is an end sealing groove which is only provided with one side opening or bottom of the guide caulking groove or one side opening of the guide caulking groove, the frame block body is provided with a pin hole which penetrates through the frame block body along the length direction of the oppositely-pulled steel bars corresponding to the pin hole on the locking part, the frame block body is detachably and fixedly connected with the locking part through a pin inserted on the pin hole, the width of the frame block body is larger than the width of a gap between adjacent bailey pieces, the hook part extends towards the bailey piece and exceeds the frame of the bailey piece and is folded and buckled on the frame of the bailey piece, at least the upper part of the outer side wall surface of the frame block body is provided with a frame edge arranged on the hook part, and the frame edge is flush with the top surface of the groove of the positioning which is closest in height.
During installation, the frame block main body is firstly erected on the oppositely-pulled steel bars above the frame block main body, then the positioning winding block is put down, the two oppositely-pulled steel bars are not only embedded in the embedding grooves, but also positioned in the two positioning through grooves of the positioning winding block, and thus the two oppositely-pulled steel bars are fixed in a fixed-point positioning mode.
The setting of above-mentioned structure can be accurate firm location to drawing the billet, also can guarantee simultaneously to drawing easy dismouting between billet and the bailey piece, can guarantee again to have sufficient the effect of holding back to the bailey piece.
Preferably, the inner end of the connecting steel bar is fixedly connected with at least one group of anti-falling anchor backing plate and nuts, and the side surface of the anchor backing plate, which faces the outer end of the connecting steel bar, is also provided with barbs; the thickness of the root of the side wall is 100-120cm, the length of the part, buried in the root of the side wall, of the connecting steel bar is 70-85 cm, and the length of the part extending out of the root of the side wall is 10-20 cm.
Preferably, the bottom support further comprises an adjusting threaded sleeve which is in threaded connection with the screw rod and abuts against the bottom of the supporting sleeve, the bottom support and the vertical rod are further connected through a connecting piece, two ends of the connecting piece are detachably and fixedly connected with a step formed by connecting the supporting sleeve and the vertical rod, the connecting piece is located on the screw rod position at the bottom of the adjusting threaded sleeve, a reinforcing support backup plate is vertically arranged in the middle of the top support plate of the top support, a plurality of uniform force reinforcing convex ribs or convex points are further integrally connected onto the surface of the top support plate, the height of the uniform force reinforcing convex ribs or convex points is 1 to 5mm, and at least part of the uniform force reinforcing convex ribs or convex points are connected with the reinforcing support backup plate.
The top supporting plate is provided with the reinforced supporting backup plate and the even force reinforced convex ribs or convex points, so that the supporting strength and the bending strength of the top supporting plate are greatly improved, and meanwhile, the corresponding cross rods are directly arranged on the reinforced supporting backup plate for installation. The reinforced support backup plate is connected with the uniform force reinforced convex ribs or the convex points, so that the strength of a connecting angle between the reinforced support backup plate and the top supporting plate is further improved, and the reinforced support backup plate is not easy to break. Because the horizontal pole is longer, the top layer board is straight, and the slight incline can appear in the inevitable during installation or use, even power is strengthened the setting of protruding muscle or bump and is ensured can the multiple spot contact atress balanced at the horizontal pole to the too big condition of damaging the top layer board of single point contact load that probably causes when horizontal pole or top layer board wherein the identity slope appears.
Preferably, the connecting piece is a steel wire with two ends wound on the screw rod and the upright rod, or a clamping connecting piece with two ends provided with lantern rings which can be clamped into bayonets on the screw rod and the upright rod, and a steel bar or a connecting rope for connecting the two lantern rings in the middle; when being the billet in the middle of the block connecting piece, the lantern ring of bottom with the integrative rigid coupling of billet, the lantern ring at top with the billet is adjustable ground cooperation is connected, the lantern ring outside still link firmly with billet interference block and the intra-annular opening small lantern ring that is equipped with one deck anti-skidding rubber pad, the dense non-skid protrusion that has of billet upper portion, the arch is the bump or follows many protruding ring gears of billet circumference and level setting.
Preferably, balance support steel bars are erected on the tops of the two ends of the carrying pole beam and perpendicular to the length direction of the carrying pole beam, and at least two ends of each balance support steel bar are detachably and fixedly connected with the vertical rods. The wheel set comprises a top plate, wherein the top plate is abutted against the bottom surface of the carrying pole beam, the bottom opening of the top plate is used for penetrating through the idler wheels and is provided with wheel carrier frames with two openings along the track direction, the two openings of the wheel carrier frames are symmetrically provided with the idler wheels, the outer sides of the side plates on the two sides of the wheel carrier frames are symmetrically welded with two vertical positioning steel bars respectively, and a notch for positioning and erecting the carrying pole beam is formed between the positioning steel bars on the same side in a matching mode with the top plate of the wheel carrier frame.
Preferably, the positioning steel bars positioned at the two sides of the wheel frame are gradually inclined outwards from top to bottom, and are inverted splayed when being seen from the direction vertical to the length direction of the track; the space between the upper parts of the corresponding positioning steel bars positioned at the two sides of the wheel carrier frame and at least exceeding the position of the carrying pole beam is larger than the width of the bottom steel plate of the I-shaped steel, and the middle part of the corresponding positioning steel bars corresponding to the carrying pole beam area is connected with a restraining steel bar; and a strip-shaped ring sleeve with two ends sleeved on the positioning steel bars is also connected between the positioning steel bars on the same side and positioned at the top of the carrying pole beam.
In conclusion, the invention has the following beneficial effects:
1. the Bailey truss non-penetrating split screw formwork supporting technology is adopted, the problem that the traditional waterproof penetrating split bolt tie side wall is easy to permeate water and leak is solved, the influence on the durability of a wall body due to permeation is avoided, the structural integrity is improved on the premise of ensuring the construction workability, and the Bailey truss non-penetrating split screw formwork supporting technology is an outer side wall formwork supporting technology which is scientific in technology, economical and environment-friendly.
2. This application simple structure, construction convenience, it is with low costs, intensity is high, and the wholeness is strong, and the tunnel of pouring does not have the perforation waterproof, long service life.
2. And (4) an integral sliding technology of an inner mold steel pipe bracket. The technology effectively shortens the time for building the internal mold support, accelerates the construction progress, saves the project cost and improves the labor intensity of workers.
3. This application realizes centre form steel pipe support's whole through shaped steel, track, wheelset etc. and slides to accelerate the construction progress, alleviate workman intensity of labour.
4. This application supports removal subassembly simple structure, atress equilibrium, holding power are big, stable in structure, simple to operate, and it is efficient, with low costs to slide.
Drawings
FIG. 1 is a first structural diagram of the present application;
FIG. 2 is a second structural diagram of the present application;
FIG. 3 is a first schematic view of the fitting structure of the bundle assembly member and the counter-drawn steel bar;
FIG. 4 is a schematic view of a bundle component construction;
FIG. 5 is a second schematic view of the fitting structure of the bundle assembly member and the counter-drawn steel bars;
FIG. 6 is a third schematic view of the fitting structure of the bundle assembly member and the counter-pulling steel rod;
FIG. 7 is a fourth schematic view of the fitting arrangement of the bale assembly member to the counter drawn steel bars;
FIG. 8 is a fifth schematic view of the fitting arrangement of the bale assembly member to the counter drawn steel bars;
figure 9 is a schematic view of an inner mold support structure;
FIG. 10 is a first schematic view of the support and movement assembly of the present application;
FIG. 11 is a second structural view of the supporting and moving assembly of the present application;
fig. 12 is a schematic top view of the top supporting plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
The first embodiment is as follows:
the utility model provides a waters tunnel does not have center-piercing to drawing screw rod formwork structure, including the bottom plate 1 of the concrete of pouring earlier, build in being used for of bottom plate both sides form external mold support, build the centre form support that is used for forming the centre form on the bottom plate, set firmly respectively in external mold 5 and the interior form in the external mold support inboard and the centre form support outside, to drawing between the external mold support and being located the external mold board top to drawing billet 3, the external mold support with still be connected with between the bottom plate one end pre-buried in the bottom plate, the other end stretches out the bottom plate with external mold leg joint's connection billet 4.
The external mold support is a Bailey truss 2, and the counter-pulling steel bars and the connecting steel bars are finish-rolled deformed steel bars.
The reinforced structure mode is beneficial to improving the integrity and durability of the concrete structure of the tunnel in the water area on the premise of not increasing the construction difficulty and relatively saving the engineering cost.
The top parts of the two sides of the bottom plate are integrally connected with convex side wall roots 11, the connecting steel bars are embedded in the side wall roots, and solid sealing parts 12 integrally connected with the side wall roots are reserved between the inner ends of the embedded side wall roots and the inner side surfaces of the side wall roots.
Particularly, the pulling steel bars and the connecting steel bars on the two sides of the side wall fix the Bailey truss, and the connecting steel bars do not penetrate through the side wall, so that a through hole is not formed, a direct connecting piece is not arranged between the inner mold support and the outer mold support, no through hole is formed in the whole side wall surface after pouring, and the problem of water seepage of the side wall is thoroughly solved.
The Bailey truss comprises a plurality of Bailey sheet groups, each Bailey sheet group comprises two Bailey sheets 21 which are perpendicular to the outer template and fixedly connected through a frame, and the opposite-pulling steel bars penetrate through gaps between the adjacent Bailey sheet groups.
Because the Bailey beam has the characteristics of bearing larger stress and smaller deflection deformation, the Bailey beam is used as the back edge of the outer mold support, and the upper part and the lower part of the Bailey beam are fixed, so that the problems of installation and support strength of the conventional H-shaped steel outer edge support can be effectively solved, the construction input cost is reduced, and the access way on the outer side of the box body is more spacious.
The inner mold support comprises a support consisting of a vertical rod 01 and a cross rod 02, a top support 03 and a bottom support 04 which are detachably arranged at the top and the bottom of the support respectively, a track 07 arranged on a bottom plate, and a supporting and moving assembly which is matched with the track and used for erecting the support and enabling the support to slide along the track; the supporting and moving assembly comprises an I-shaped steel 05 which is inserted into the bottom of the support and used for erecting a cross bar at the bottom of the support, a carrying pole beam 06 which is vertically arranged at the bottom of the I-shaped steel, and a wheel set which is arranged on the carrying pole beam and matched with the track. The pipe cavity of the supporting sleeve is communicated with the pipe cavity of the vertical rod, the diameter of the screw rod is smaller than that of the pipe cavity of the vertical rod and can extend into the vertical rod, the thickness of the pipe wall of the supporting sleeve is larger than that of the pipe wall of the vertical rod, the pipe cavity of the supporting sleeve is flush with the pipe cavity of the vertical rod, a convenient access area 010 is arranged at the bottom of the middle part of the inner mold support along the sliding direction of the inner mold support, and the arrangement density of at least cross rods in the convenient access area is smaller than that of cross rods in other areas of the inner mold support. This application sets up so that make things convenient for personnel from the inside to pass through when installation or adjustment support through just leading to the district. The convenient passing area penetrates through the whole support along the sliding direction of the inner mold support.
The middle part on the top layer board of top support sets up immediately and strengthens supporting backup plate 031, still an organic whole is connected with a plurality of even strength on the top layer board face and strengthens protruding muscle 032 or bump, the height that the protruding muscle was strengthened to the even strength or bump is 1~5mm, at least part even strength strengthen protruding muscle or bump with strengthen supporting backup plate and be connected.
The pole setting bottom along pole setting length direction be equipped with the lead screw 041 of collet cup joint and the diameter is greater than the supporting sleeve pipe of pole setting main part diameter, the collet still include with the lead screw spiro union just support in the adjustment swivel nut 042 of supporting sleeve pipe bottom, the collet with still link firmly through both ends difference detachably between the pole setting in the supporting sleeve pipe is connected the terrace that forms and is located the connecting piece connection on the lead screw position of adjustment swivel nut bottom with the pole setting.
The connecting piece is a steel wire with two ends wound on the screw rod and the upright rod, or a clamping connecting piece with two ends provided with a lantern ring 011 which can be clamped into bayonets on the screw rod and the upright rod, and a steel bar 012 or a connecting rope which is used for connecting the two lantern rings is arranged in the middle of the connecting piece; when being the billet in the middle of the block connecting piece, the lantern ring of bottom with the integrative rigid coupling of billet, the lantern ring at top with the billet is adjustably connected with cooperating, the lantern ring outside still linked firmly with billet interference block and the intra-annular opening small lantern ring 013 that is equipped with one deck anti-skidding rubber pad, the dense non-skid projections that have on billet upper portion, the arch is the bump or follows many protruding ring gears of billet circumference and level setting. The distance between the upper and lower lantern rings is adjusted by the antiskid bulges at different height positions on the upper parts of the small lantern ring and the steel bar, so that the support sleeve is suitable for support sleeves at different heights.
Balance support steel bars 061 are erected on the tops of the two ends of the shoulder pole beam perpendicular to the length direction of the shoulder pole beam, and at least two ends of each balance support steel bar are detachably and fixedly connected with the vertical rods. The center of the balance support steel bar along the length direction is fixedly connected with the carrying pole beam or supported by the carrying pole beam, and two ends of the balance support steel bar are detachably and fixedly connected with different vertical rods, so that the supporting force of the carrying pole beam and the I-shaped steel on the whole support is balanced and stable, the support strength is improved, the wheel set is ensured to generate less lateral restraining force, and the smooth sliding is ensured.
The wheel group includes that the roof supports and leans on in shoulder pole roof beam bottom surface is last, the bottom is uncovered and is used for wearing out gyro wheel 062 and along track direction both ends open-ended wheel carrier frame 063, the symmetry respectively is equipped with a gyro wheel on two opening ends of wheel carrier frame, wheel carrier frame both sides curb plate outside symmetry respectively welds admittedly two location reinforcing bars 067 of establishing immediately, lies in and cooperates the notch 064 that wheel carrier frame roof plate formed and is used for the location to erect the shoulder pole roof beam between the location reinforcing bar of same one side.
Above-mentioned structural installation, construction convenience, simultaneously also because there are shoulder pole roof beam and I-beam above-mentioned more stable and simple and convenient mode of putting up just can be suitable for simple wheelset installation cooperation modes such as above-mentioned notch, it is balanced, firm to do benefit to the connection atress between shoulder pole roof beam and the I-beam and between shoulder pole roof beam and the I-beam respectively and the support, just make and only need establish one set of wheelset simple swift ground frame nested structure at the middle part of shoulder pole roof beam, need not locking structure, need not to respectively establish one set of wheelset at shoulder pole roof beam both ends, also can guarantee that the wheelset removes and drives whole support and slides.
The integral sliding method of the inner mold steel pipe support comprises the following steps:
1. the bottom support of the bracket is fixed with the upright rod of the bracket, so that the damage of a rod piece and the deformation of the bracket caused by scraping the concrete of the bottom support to the bottom plate when the bracket slides are prevented;
2. loosening the top support of the bracket and the side support piece of the bracket, and enabling the top plate template positioned at the top to fall on the bracket and be directly placed on the bracket and can slide along with the bracket;
3. installing a track, wherein the middle part and two sides of the bracket corresponding to the bottom plate are respectively provided with a track;
4. 3I-beams longitudinally penetrate through the gap of the support at the bottom of the support corresponding to the rail, and a jack is adopted to jack the longitudinal I-beams; the I-shaped steel props against the bottoms of the cross rods perpendicular to the I-shaped steel.
5. Arranging a carrying pole beam at the bottom of the I-shaped steel, and then installing a wheel set matched with the rail below the carrying pole beam;
6. the steel wire rope pulls the support to wholly slide. The winch can be used for driving the steel wire rope to pull the support to integrally slide, and a specially-assigned person is required to command and observe the walking condition of the support in the sliding process, so that the safety is ensured.
According to the method, after the wheel set, the shoulder pole beam, the longitudinal I-shaped steel and the like are slid in place, the lifting jack is used for being matched with the wheel set, the shoulder pole beam, the longitudinal I-shaped steel and the like to be detached, the elevation and the bottom die are adjusted, and after the inspection is qualified, the steel bars can be bound, and the side wall and the top plate concrete can be poured.
This application carries out the jacking through the I-steel to whole support and supports, then comes the atress between balanced support and the wheelset through the shoulder pole roof beam to guarantee that the balanced atress of wheelset does not incline, incline to the side the influence and slide, improve the stability and the security that whole support slided.
And (5) segmenting the stent by taking 6 to 12 m as a segment before the third step.
And the jacking height of the jack in the fourth step is about 10cm away from the ground. In order to reduce the pulling force of the winch, the inner die support is segmented, and stable and efficient movement is ensured.
And in the fourth step, after the I-shaped steel penetrates into the bottom of the support, the I-shaped steel and the support are fixed through a connecting component, and in the fifth step, the carrying pole beam and the support are fixed through the connecting component after the carrying pole beam is supported at the bottom of the I-shaped beam.
Example two:
the difference from the above embodiment lies in that the height of the jack in the fourth step is about 8cm from the ground.
Example three:
the difference from the above embodiment is that the height of the jack in the fourth step is about 12cm from the ground.
And (3) an integral sliding technology of the inner mould steel pipe bracket. The technology effectively shortens the time for building the internal mold support, accelerates the construction progress, saves the project cost and improves the labor intensity of workers.
Example four:
different from the embodiment, at least two oppositely-pulled steel bars which are arranged in parallel up and down are arranged between the adjacent Bailey sheet groups, the upper and lower oppositely-pulled steel bars are more stable in structure, the stress is more balanced when pouring or Bailey sheet group combination is carried out, and the torsion resistance is strong. The top of the outer template is provided with a distance control cushion block 51, and the counter-pulling steel bar positioned below is positioned above the distance control cushion block or is supported against the top of the distance control cushion block.
Through accuse apart from the high position of cushion be convenient for control butt joint billet to can not bury the steel bar of drawing the opposite directions when guaranteeing to pour the tunnel top, be convenient for pour again, also be convenient for simultaneously fix a position the installation steel bar of drawing the opposite directions.
Example five:
different from the above embodiment, the positioning steel bars on the two sides of the wheel frame are gradually inclined outwards from top to bottom and are in an inverted splayed shape when being seen from the direction vertical to the length direction of the track; the space between the upper parts of the corresponding positioning steel bars at two sides of the wheel frame, which at least exceeds the position of the carrying pole beam, is larger than the width of the bottom steel plate of the I-shaped steel, and the middle part of the corresponding positioning steel bars, which corresponds to the carrying pole beam, is connected with a restraining steel bar 066; and a bar-shaped loop 065 with two ends sheathing the positioning steel bars is also connected between the positioning steel bars on the same side and at the top of the shoulder pole beam.
The inverted splayed shape ensures that the I-shaped steel cannot be hit, ensures that the I-shaped steel is directly arranged in the splayed shape, and can also position the butt joint position of the carrying pole beam relative to the I-shaped steel, thereby ensuring the balanced stress of the whole supporting system and being convenient to install.
Example six:
different from the embodiment, the two oppositely-pulled steel bars which are arranged in parallel up and down are arranged between the adjacent Bailey pieces, the oppositely-pulled steel bars penetrate through a gap between the adjacent Bailey pieces and stretch out of the outer side of the Bailey truss, the two oppositely-pulled steel bars exceed the Bailey truss part and are respectively screwed with a limiting bar, the limiting bar is turned to one side of the Bailey piece to form a back hook part 41, the oppositely-pulled steel bars are erected with a bundle group component which is used for positioning the two oppositely-pulled steel bars, the middle part of the oppositely-pulled steel bars is provided with an embedded groove 62 which can be clamped into the oppositely-pulled steel bars, and the back hook part is wound on the outer wall surface of the bundle group component.
Spacing is used for preventing to bundle group's part and deviate from to do benefit to and bundle group's part and reach the effect of more firm billet.
The bundling component comprises a frame block main body 61 with an embedded groove with an open bottom, a hinged shaft 63 arranged at the top of the frame block main body, and a positioning winding block hinged on the hinged shaft, wherein one side of the frame block main body is provided with a guide embedded groove 64 which can accommodate the positioning winding block to be embedded into the frame block main body and buckle the oppositely-pulling steel bars.
The location is shifted into around the piece inboard behind the guiding caulking groove corresponds the opposite drawing billet is opened has along opposite drawing billet length direction setting and the open location in both ends leads to groove 65, the groove depth that the groove was led to in the location is greater than the diameter of opposite drawing billet.
During installation, the frame block main body is firstly erected on the oppositely-pulling steel bars above the frame block main body, then the positioning winding block is put down, and the two oppositely-pulling steel bars are not only embedded in the embedding grooves, but also positioned in the two positioning through grooves of the positioning winding block, so that the two oppositely-pulling steel bars are fixed in fixed-point positioning.
The locating winding block inner side is located between two opposite pulling steel bars and is still integrally connected with the protrusion and be equipped with the locking part 66 that has the pinhole, in the frame block main part with lead the caulking groove communicate with each other be equipped with the locked groove of locking part butt joint, the locked groove is only to have towards lead caulking groove one side uncovered or bottom and towards lead the uncovered end seal groove in caulking groove one side, correspond in the frame block main part pinhole on the locking part is seted up along opposite pulling steel bar length direction to wearing the pinhole of frame block main part, frame block main part with locking part is through inserting and locating the rigid coupling can be dismantled to the pin on the pinhole, frame block main part width is greater than the clearance width between the adjacent bailey piece group, the hook portion that returns to bailey piece extends and surpasses bailey piece's frame and turn back buckle in on bailey piece's the frame, at least upper portion is equipped with the frame edge of setting up in on the hook portion on the frame block main part outside wall, the frame is flushed with the groove top surface that highly is closest to the locating through groove along the bottom surface.
The setting of above-mentioned structure can accurate firm location opposite-pulling billet, and the atress is more balanced when pouring or bailey piece group combination, and twisting resistance is strong, also can guarantee simultaneously to be dismantled and assembled easily between opposite-pulling billet and the bailey piece, can guarantee again to have sufficient control to the bailey piece. And the different bailey pieces have a restraining function, so that the bailey pieces are stressed in a balanced manner during pouring, are not easy to translocate, and the outer template is ensured to be smooth, so that the poured side wall is ensured to be smooth, high in precision and strong in up-to-standard controllability.
The inner end of the connecting steel bar is fixedly connected with at least one group of anti-falling anchor backing plate and nuts, and the side surface of the anchor backing plate facing the outer end of the connecting steel bar is also provided with barbs; the thickness of the root of the side wall is 100-120cm, the length of the part, buried in the root of the side wall, of the connecting steel bar is 70-85 cm, and the length of the part extending out of the root of the side wall is 10-20 cm.
When the bottom plate concrete is poured, PSB830 phi 25 finish-rolled deformed steel bars are pre-embedded at set intervals in the outer side of the side wall of the bottom plate, namely the root of the side wall poured together with the bottom plate, the length of the pre-embedded finish-rolled deformed steel bars is 90cm, the length of the embedded side wall is 80cm, the thickness of the side wall is 100-120 cm, the exposed part is 10cm, and anchor backing plates and nuts with the thickness of 12 x 2cm are required to be installed at the tail end of the embedded side wall part. After the strength of the bottom plate concrete reaches 80% of a design value, a Bailey truss is erected and composed of double rows of single-layer Bailey sheets, each group of Bailey sheets is connected through a 900mm framework, 2 PSB830 phi 25 finish-rolled deformed steels are oppositely pulled on the upper portion, two pieces of finish-rolled deformed steels can be assembled on the ground and a bundling part in advance and then erected, the Bailey truss can be assembled on the ground, the height of the finish-rolled deformed steel positioned below is 300mm above the top surface of the top plate concrete, the height is adjusted through a distance control cushion block, the elongation deformation of the finish-rolled deformed steel is controlled through pre-tensioning, and the finish-rolled deformed steel pre-buried in the side wall is matched with a matched bolt for fixing when the bottom plate is used for pouring. The outer template and the inner template are both formed steel templates of 2 multiplied by 1.5m, and the Bailey truss and the outer template are combined and spliced into a stressed whole body which is applied to the outer side wall formwork construction of a water area tunnel concrete structure.
The beret truss must be flat and distortion free, especially on the profile side.
The Bailey can be pre-assembled before being installed, the phenomenon that the Bailey is loosened due to the fact that a gap exists after the pin is inserted into the Bailey joint is mainly checked, and the Bailey can be replaced if necessary. The bailey pieces can also be penetrated through pull rods arranged on the bailey pieces to fix the adjacent bailey pieces, and the pull rods are erected on the frame and are in threaded connection with the frame or the bailey pieces.
Claims (6)
1. The utility model provides a waters tunnel formwork structure and centre form support integral sliding structure which characterized in that: the concrete pouring device comprises a bottom plate (1) poured with concrete firstly, outer mold supports which are built on two sides of the bottom plate and are used for forming an outer mold, inner mold supports which are built on the bottom plate and are used for forming an inner mold, outer mold plates (5) and inner mold plates which are fixedly arranged on the inner sides of the outer mold supports and the outer sides of the inner mold supports respectively, and split steel bars (3) which are split between the outer mold supports and are positioned above the outer mold plates, wherein connecting steel bars (4) with one ends embedded in the bottom plate and the other ends extending out of the bottom plate and connected with the outer mold supports are connected between the outer mold supports and the bottom plate; the inner mold support comprises a support consisting of a vertical rod (01) and a cross rod (02), a top support (03) and a bottom support (04) which are detachably arranged at the top and the bottom of the support respectively, at least three tracks (07) which are arranged on a bottom plate and are respectively positioned at the middle part and two sides of the support, and a supporting and moving assembly which is matched with the tracks and is used for erecting the support and enabling the support to slide along the tracks; the supporting and moving assembly comprises an I-shaped steel (05) which is inserted into the bottom of the support and used for erecting a cross bar at the bottom of the support, a carrying pole beam (06) which is vertically arranged at the bottom of the I-shaped steel, and a wheel set which is arranged on the carrying pole beam and matched with the track, wherein a supporting sleeve which is sleeved with a lead screw (041) of the bottom support and has a diameter larger than the main diameter of the vertical pole is arranged at the bottom end of the vertical pole along the length direction of the vertical pole, a tube cavity of the supporting sleeve is communicated with a tube cavity of the vertical pole, the diameter of the lead screw is smaller than the diameter of the tube cavity of the vertical pole and can extend into the vertical pole, the tube wall thickness of the supporting sleeve is larger than that of the tube wall of the vertical pole, the tube cavity of the supporting sleeve is flush with the tube cavity of the vertical pole, a convenient passing area (010) is arranged at the bottom of the middle part of the inner mold support along the sliding direction of the inner mold support, and the density of the arrangement of the cross bars in the convenient passing area is smaller than that in other areas of the inner mold support; the external mold support is a Bailey truss (2), the counter-pulling steel bar and the connecting steel bar are finish-rolled deformed steel bars, the tops of two sides of the bottom plate are integrally connected with a convex side wall root part (11), the connecting steel bar is pre-embedded in the side wall root part, a solid sealing part (12) integrally connected with the side wall root part is reserved between the inner end of the side wall root part and the inner side surface of the side wall root part, the Bailey truss comprises a plurality of Bailey groups, each Bailey group comprises two Bailey pieces (21) which are arranged perpendicular to the external mold plate and fixedly connected through a frame, and the counter-pulling steel bar penetrates through a gap between adjacent Bailey pieces; at least two counter-pulling steel bars arranged in parallel up and down are arranged between the adjacent bailey pieces, a distance control cushion block (51) is arranged at the top of the outer template, and the counter-pulling steel bars positioned below are positioned above the distance control cushion block or are abutted against the top of the distance control cushion block; two oppositely-pulling steel bars which are arranged in parallel up and down are arranged between the adjacent Bailey pieces, the oppositely-pulling steel bars penetrate through a gap between the adjacent Bailey pieces and extend out of the Bailey truss, a limiting bar is screwed on the part, exceeding the Bailey truss, of the oppositely-pulling steel bars, the limiting bar is turned to one side of the Bailey piece to form a back hook part (41), a bundling part for positioning the two oppositely-pulling steel bars is erected on the oppositely-pulling steel bars, the middle part of the bundling part is provided with an embedded groove (62) capable of being clamped into the oppositely-pulling steel bars, the back hook part is wound on the outer wall surface of the bundling part, the bundling part comprises a frame block main body (61) with an embedded groove with an opening at the bottom, an articulated shaft (63) arranged at the top of the frame block main body and a positioning winding block hinged on the articulated shaft, one side of the frame block main body is provided with a guiding embedded groove (64) capable of accommodating the positioning winding block embedded in the frame block main body and buckling the oppositely-pulling steel bars, the inner side after the positioning winding block is rotated into the guiding groove is provided with a positioning winding block corresponding to the oppositely-pulling steel bars, and the positioning steel bars (65) with two ends arranged along the length direction, and the positioning through groove, and the positioning winding block is deeper than the through groove of the oppositely-pulling steel bars; the collet still include with the lead screw spiro union just support in the adjustment swivel nut (042) of supporting sleeve bottom, the collet with still link firmly respectively detachably through both ends between the pole setting in the supporting sleeve is connected the terrace that forms and is located the connecting piece on the lead screw position of adjustment swivel nut bottom with the pole setting and connect, the middle part sets up the enhancement support backup plate (031) immediately on the top layer board that the top held in the palm, protruding muscle or bump are strengthened to still an organic whole to be connected with a plurality of even powers on the top layer board face, the height that protruding muscle or bump were strengthened to even power is 1 to 5mm, at least partial even power strengthen protruding muscle or bump with the enhancement is supported the backup plate and is connected.
2. The integral sliding structure of the water tunnel formwork support structure and the inner formwork support frame as claimed in claim 1, wherein: the location is located between two opposite-pulling billet in the winding block and is gone back the protruding locking portion (66) that has the pinhole that is equipped with of body coupling, in the frame block main part with the guide caulking groove communicate with each other be equipped with the locked groove of locking portion butt joint, the locked groove is for only having towards guide caulking groove one side uncovered or bottom and towards guide caulking groove one side open end seal groove, correspond in the frame block main part pinhole on the locking portion is seted up along opposite-pulling billet length direction and is run through the pinhole of frame block main part, frame block main part with locking portion locates through inserting the rigid coupling can be dismantled to the pin on the pinhole, frame block main part width is greater than clearance width between the adjacent bailey piece group, the back hook portion extends to bailey piece and surpasses the frame of bailey piece and retrace to buckle on the frame of bailey piece, at least upper portion is equipped with on the frame hook portion on the frame block main part outside wall frame, the frame is flushed with the groove top surface of the location that highly is closest along the bottom surface.
3. The integral sliding structure of the water tunnel formwork support structure and the inner formwork support frame as claimed in claim 1, wherein: the inner end of the connecting steel bar is fixedly connected with at least one group of anti-falling anchor backing plate and nuts, and the side surface of the anchor backing plate facing the outer end of the connecting steel bar is also provided with barbs; the thickness of the root of the side wall is 100-120cm, the length of the part, buried in the root of the side wall, of the connecting steel bar is 70-85 cm, and the length of the part extending out of the root of the side wall is 10-20 cm.
4. The water tunnel formwork supporting structure and the inner mold support integral sliding structure as claimed in claim 1, wherein: the connecting piece is a steel wire with two ends wound on the screw rod and the upright stanchion, or a clamping connecting piece with two ends provided with a lantern ring (011) which can be clamped into bayonets on the screw rod and the upright stanchion and a steel bar (012) or a connecting rope which connects the two lantern rings in the middle; when being the billet in the middle of the block connecting piece, the lantern ring of bottom with the integrative rigid coupling of billet, the lantern ring at top with the billet is adjustably connected with cooperating, the lantern ring outside still linked firmly with billet interference block and the intra-annular opening small lantern ring (013) that are equipped with one deck anti-skidding rubber pad, the dense non-skid projections that have in billet upper portion, the arch is the bump or follows many protruding ring gears of billet circumference and level setting.
5. The water tunnel formwork supporting structure and the inner mold support integral sliding structure as claimed in claim 1, wherein: balance supporting steel bars (061) are erected on the tops of the two ends of the shoulder pole beam perpendicular to the length direction of the shoulder pole beam, at least two ends of each balance supporting steel bar are detachably and fixedly connected with the vertical rods, each wheel set comprises a wheel carrier frame (063) with a top plate abutted to the bottom surface of the shoulder pole beam, an opening at the bottom of each wheel carrier frame is used for penetrating out a roller (062) and openings at two ends in the track direction, two rollers are symmetrically arranged on two opening ends of each wheel carrier frame, two vertical positioning steel bars are symmetrically and fixedly welded on the outer sides of side plates on two sides of each wheel carrier frame, and a notch (064) used for positioning and erecting the shoulder pole beam is formed between the positioning steel bars located on the same side by matching with the top plate of the wheel carrier frame.
6. The water tunnel formwork supporting structure and the inner mold support integral sliding structure as claimed in claim 5, wherein: the positioning steel bars positioned at the two sides of the wheel frame are gradually inclined outwards from top to bottom and are inverted splayed when being seen from the direction vertical to the length direction of the track; the space between the upper parts of the corresponding positioning steel bars positioned at the two sides of the wheel frame and at least exceeding the shoulder pole beam part is larger than the width of the bottom steel plate of the I-shaped steel, and the middle part of the corresponding positioning steel bars corresponding to the shoulder pole beam area is connected with a restraining steel bar (066); and a strip-shaped ring sleeve (065) with two ends sleeved on the positioning steel bars is also connected between the positioning steel bars on the same side and positioned at the top of the carrying pole beam.
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| CN203961992U (en) * | 2014-06-16 | 2014-11-26 | 中建七局安装工程有限公司 | Portable full framing chassis |
| CN105803947B (en) * | 2016-05-13 | 2018-01-02 | 浙江大学城市学院 | A kind of cast-in-situ box girder gate-type full framing whole lateral moving system and method for traversing |
| CN208136959U (en) * | 2018-09-19 | 2018-11-23 | 中铁十六局集团第三工程有限公司 | A kind of waters tunnel formwork erecting structure and internal mould supporter integral slipping structure |
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Inventor after: Ma Dong Inventor after: Zhang Zhengjin Inventor after: Zhang Huiyuan Inventor after: Zeng Quanren Inventor after: Pan Shoudong Inventor after: Wang Fengxi Inventor after: Wang Yuanzheng Inventor after: Jiang Yijun Inventor before: Zhang Zhengjin Inventor before: Zhang Huiyuan Inventor before: Zeng Quanren Inventor before: Pan Shoudong Inventor before: Wang Fengxi Inventor before: Wang Yuanzheng Inventor before: Jiang Yijun |
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Effective date of registration: 20170829 Address after: 313000 Huzhou Lake Road, Wuxing District, Zhejiang, No. 288 Applicant after: THE 3RD ENGINEERING CO., LTD. OF CHINA RAILWAY 16TH BUREAU GROUP Co.,Ltd. Applicant after: CHINA RAILWAY 16TH BUREAU GROUP Co.,Ltd. Address before: 313000 Huzhou Lake Road, Wuxing District, Zhejiang, No. 288 Applicant before: THE 3RD ENGINEERING CO., LTD. OF CHINA RAILWAY 16TH BUREAU GROUP Co.,Ltd. |
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