CN112663675A - Anti-settling inspection well chamber structure and construction method thereof - Google Patents
Anti-settling inspection well chamber structure and construction method thereof Download PDFInfo
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- CN112663675A CN112663675A CN202011522778.0A CN202011522778A CN112663675A CN 112663675 A CN112663675 A CN 112663675A CN 202011522778 A CN202011522778 A CN 202011522778A CN 112663675 A CN112663675 A CN 112663675A
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Abstract
The utility model relates to a prevent subsiding inspection shaft room structure, including the shaft room body that has the inner chamber setting, the shaft room body is provided with the connecting cylinder that the axis is vertical setting, the coaxial anti seat that subsides that is provided with of connecting cylinder, the chamber that slides has radially been seted up along it to the periphery wall of anti seat that subsides, anti subsides the seat be provided with slide connect in the adapter sleeve in chamber slides, adapter sleeve is provided with a plurality ofly and distributes around the axis of anti seat that subsides, the pre-buried reinforcing bar of soil layer is located in advance to the adapter sleeve cover pipe box, adapter sleeve's tip lateral wall articulates there is the hinge bar, and the hinge bar between two adjacent adapter sleeve articulates the setting each other, adapter sleeve sets up the first slip casting mouth that feeds through in adapter sleeve's hole, pours thick liquids to the adapter sleeve pipe hole through. This application has the effect that improves the antisettling performance of inspection shaft.
Description
Technical Field
The application relates to the technical field of inspection well construction, in particular to an anti-settling inspection well chamber structure and a construction method thereof, which are suitable for the inspection well chamber construction of a sand layer geological structure.
Background
Inspection wells in underground pipelines, also known as pipeline wells and inspection wells, are generally constructed by building a well body below the ground by bricks or cement to the position above the ground, covering a well cover, and arranging pipe orifices connected with pipelines on the side surfaces of the well body.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: to some inspection wells that set up in sand bed geology and have groundwater, the condition that the well body and well lid whole subsides often can appear, the inspection well body sinks the back, can form the difference in height with the place road surface to can drive peripheral road surface fracture, cause road surface unevenness, cause the injury to passing vehicle, can lead to the underground pipeline to break more seriously, consequently need further improvement.
Disclosure of Invention
In one aspect, the present application provides an anti-settling inspection well chamber structure having improved anti-settling properties of an inspection well.
The application provides a prevent subsiding inspection well room structure adopts following technical scheme:
the utility model provides a prevent subsiding inspection well room structure, is including the well room body that has the inner chamber setting, the well room body is provided with the connecting cylinder that the axis is vertical setting, the coaxial anti seat that subsides that is provided with of connecting cylinder, the chamber that slides has radially been seted up along it to the periphery wall of anti seat that subsides, anti seat that subsides be provided with slide connect in the adapter sleeve in the chamber that slides, adapter sleeve is provided with a plurality ofly and distributes around the axis of anti seat that subsides, adapter sleeve locates the embedded bar of locating the soil layer in advance, adapter sleeve's tip lateral wall articulates there is the hinge bar, and the hinge bar between two adjacent adapter sleeve articulates the setting each other, adapter sleeve sets up the first slip casting mouth that communicates in adapter sleeve's hole, pours thick liquids to adapter sleeve hole through first slip casting mouth.
By adopting the technical scheme, in an initial state, the connecting sleeve is contracted in the sliding cavity of the anti-settling seat, when the well chamber body is placed in the dug foundation pit, the connecting sleeve on the anti-settling seat corresponds to the position of the embedded steel bar embedded in the soil layer, the connecting sleeve is pushed towards the direction away from the connecting cylinder to enable the embedded steel bar to be inserted into the embedded steel bar, and high-strength slurry is poured into the inner hole of the connecting sleeve through the first grouting port, so that the well chamber body, the connecting cylinder and the soil layer of the foundation pit are firmly connected into a whole, and the anti-settling performance of the inspection well is effectively improved; be provided with the hinge bar for many adapter sleeve connect into one, improve the structural stability of inspection shaft, and when adapter sleeve slided towards being close to the embedded bar direction, the contained angle of hinge bar between two adjacent adapter sleeve gradually increased, thereby the area of contact of increase anti seat and soil layer subsides, further improves the anti performance of subsiding of inspection shaft.
Preferably, the coaxial cover of connecting cylinder is equipped with the sliding seat that is located anti settling seat top, the sliding seat is along vertical doing the sliding motion, the sliding seat is provided with one end and articulates in the sliding seat and the other end articulates in connecting sleeve's connecting rod, be provided with the elevating system that the drive sliding seat slided and goes up and down on the anti settling seat.
By adopting the technical scheme, the lifting mechanism drives the sliding seat to descend, so that the connecting sleeve is pushed by the connecting rod to extend out of the anti-settling seat, and the purpose of inserting the connecting sleeve and the embedded steel bars is achieved.
Preferably, elevating system includes that many distribute around the axis of connecting cylinder and fixed connection in the fixed sleeving of anti-seat that subsides, insert the slide bar of locating fixed sleeving and rotate the nut cover that fixed sleeving was located to the cover along vertical sliding, the slide bar is threaded rod and threaded connection in nut cover, and fixed sleeving's one end fixed connection is kept away from to the slide bar in the sliding seat, every equal coaxial fixed cover is equipped with first sprocket on the nut cover, and a plurality of first sprockets rotate through first chain is synchronous.
Through adopting above-mentioned technical scheme, set up many fixed sleeving and slide bar and play steady supporting role to the sliding seat, the flexible lift that realizes the sliding seat of slide bar rotates the nut cover on one of them fixed sleeving when the high position of sliding seat is adjusted to needs, realizes the synchronous rotation of nut cover on many fixed sleeving through first sprocket, first chain to realize the lift of sliding seat, effectively improve the construction installation effectiveness.
Preferably, the periphery wall of connecting cylinder has been encircleed and has been seted up the rotating ring groove, the hole pore wall protrusion of anti-settling seat is provided with the rotating ring that adapts to in the rotating ring groove protrudingly, the sliding seat rotates the setting with the connecting cylinder relatively.
Through adopting above-mentioned technical scheme, protruding through setting up rotating ring groove and rotating ring, realize the coaxial relative rotation of anti seat and connecting cylinder of subsiding, prevent simultaneously that anti seat of subsiding from taking place to follow axial relative slip with the connecting cylinder, thereby the constructor of being convenient for rotates anti seat of subsiding and adjusts adapter sleeve's position to align with embedded steel bar.
Preferably, the anti-settling seat is provided with a plurality of force application holes which are distributed around the axis of the anti-settling seat.
Through adopting above-mentioned technical scheme, constructor uses the instrument to insert in the application of force hole, and the moment of torsion is applyed to the antagonism seat, and then realizes the relative rotation of anti seat and connecting cylinder that subsides.
Preferably, the lateral wall of well room body is provided with the anti claw that subsides that is "L" type, and anti claw that subsides is provided with the multiunit and distributes in the lateral wall of well room body, every group anti claw that subsides includes fixed connection in the fixed block of well room body outer wall and fixed connection in the fixture block of the lower terminal surface of fixed block, forms the draw-in groove between the outer wall of fixed block, fixture block and well room body.
Through adopting above-mentioned technical scheme, anti claw of subsiding comprises fixed block and fixture block, forms the draw-in groove between the outer wall of fixed block, fixture block and well room body to improve the interlock intensity of well room body and soil layer, improve the associativity between well room body and the soil layer, the draw-in groove opening of anti claw of subsiding sets up downwards, further improves the anti settlement of well room body, and then improves the structural stability of inspection shaft.
Preferably, the well body comprises a first well body and a second well body which are vertically distributed, the first well body is located above the second well body, two opposite side walls of the first well body and the second well body are respectively provided with a semicircular mounting hole communicated with the inner cavity for the pipeline to penetrate through, the connecting cylinder is fixedly connected to the upper end face of the first well body, the upper end face of the second well body is convexly provided with a waterproof plate, the lower end face of the first well body is provided with a plugging groove for the plugging of the waterproof plate, the upper end face of the second well body is provided with a mounting groove, the lower end face of the first well body is convexly provided with a mounting column which is plugged in the mounting groove, and when the first well body and the second well body are fixedly mounted, the waterproof plate is plugged in the plugging groove, and the mounting column is plugged in the mounting groove.
Through adopting above-mentioned technical scheme, carry the job site through the first well room body and the second well room body that will prefabricate in mill and assemble, effectively shorten construction cycle, in the first well room body and the assembly process of the second well room body, the waterproof board is inserted and is located the inserting groove, the erection column plug-in connects in the mounting groove, the waterproof board forms first waterproof body that blocks with the inserting groove cooperation, the erection column forms the waterproof body that blocks of second with the mounting groove cooperation, further improve the prevention of seepage water performance of inspection well room.
Preferably, a first water stopping groove is formed in the upper end face of the second well chamber body, a second water stopping groove is correspondingly formed in the first well chamber body, a water stopping strip capable of expanding when encountering water is fixedly arranged in the first water stopping groove, and when the first well chamber body and the second well chamber body are fixedly arranged, the water stopping strip is partially embedded in the second water stopping groove.
Through adopting above-mentioned technical scheme, be provided with the sealing rod between the first well room body and the second well room body, further improve the prevention of seepage water performance of inspection well room.
Preferably, the inside wall of the inserting groove is provided with a limiting groove located above the waterproof plate, the waterproof plate is provided with an installation cavity communicated with the inserting groove, the second well chamber body is provided with an operating rod penetrating through the installation cavity, the operating rod is rotatably connected to the second well chamber body, the lower end part of the operating rod is externally exposed out of the second well chamber body, the upper end of the operating rod is fixedly connected with a limiting block rotatably embedded in the limiting groove, the side wall of the second well chamber body is provided with a second grouting port communicated with the installation cavity, and waterproof mortar is poured through the second grouting port.
Through adopting above-mentioned technical scheme, first well room body and the assembly of second well room body are accomplished the back, the drive action bars rotates 90 degrees around self axis, thereby drive the stopper and rotate and inlay and locate the spacing inslot, the terminal surface butt of stopper in the inner wall of spacing groove, thereby realize the relative slip restriction to first well room body, the second well room body, make first well room body, the connection of second well room body is one, and pour waterproof mortar to installation cavity, inserting groove and spacing groove through the second slip casting mouth, on the one hand, carry out waterproof sealing to the joint seam of first well room body, the second well room body, improve the waterproof nature of inspection shaft, on the other hand, further pour first well room body, the second well room body fixedly, improve the overall structure stability of inspection shaft room.
On the other hand, the application provides a construction method of a settlement-preventing inspection well chamber structure, which can improve the settlement-preventing performance of the inspection well chamber.
A construction method of a settlement-preventing inspection well chamber structure comprises the following steps:
s1, carrying out foundation treatment on the site inspection well position and excavating a foundation pit;
step S2, installing a second well chamber body;
step S3, installing the first well body, wherein an installer uses a hand to hold the first well body to command the first well body to slowly put down, and uses a chain block to finely adjust and match with a reflector to adjust, so as to ensure that the waterproof plate and the splicing groove, the water stop strip and the second water stop groove, and the installation column and the installation groove are accurately positioned;
s4, slurry is poured, the operating rod is rotated for 90 degrees around the axis of the operating rod, so that the limiting block is driven to be embedded in the limiting groove in a rotating mode, the end face of the limiting block abuts against the inner wall of the limiting groove, relative sliding limitation of the first well chamber body and the second well chamber body is achieved, the first well chamber body and the second well chamber body are connected into a whole, and waterproof mortar is poured into the mounting cavity, the inserting groove and the limiting groove through the second grouting port, so that the first well chamber body and the second well chamber body form a whole;
step S5, sealing the connecting joints, wherein the connecting joints on the inner sides of the first well chamber body and the second well chamber body are sealed and leveled by high-strength mortar, the outer sides of the first well chamber body and the second well chamber body are sealed by polysulfide sealant, and the joints of the pipelines and the mounting holes of the first well chamber body and the second well chamber body are sealed and leveled by high-strength mortar;
step S6, performing a water closing test on the well section after the installation is finished;
step S7, rotating the nut sleeves on one of the fixed sleeves, synchronously rotating the nut sleeves on the plurality of fixed sleeves through a first chain wheel and a first chain, so that the sliding seat descends towards the direction close to the anti-settling seat, driving the connecting sleeve to slide towards the outer side direction of the anti-settling seat through a connecting rod, inserting the embedded steel bars into the connecting sleeve, plugging the pipe orifice of the connecting sleeve, pouring high-strength slurry into the inner hole of the connecting sleeve through a first grouting port, and firmly connecting the well chamber body, the connecting cylinder and the foundation pit soil layer into a whole;
and step S8, filling soil.
By adopting the technical scheme, the water stop strip is embedded in the second water stop groove, part of waterproof mortar flows to the connecting joint of the water stop strip and the second water stop groove to bond and seal the water stop strip and the second water stop groove, a first waterproof barrier is formed, the waterproof plate is inserted in the inserting groove, the waterproof mortar flows to the connecting joint of the waterproof plate and the inserting groove to bond and seal, a second waterproof barrier is formed, the mounting column is inserted in the mounting groove to form a third waterproof barrier, and the water seepage prevention performance of the inspection well chamber is improved; the embedded steel bars are inserted into the connecting sleeve, and high-strength slurry is poured into the inner hole of the connecting sleeve through the first grouting port, so that the well chamber body, the connecting cylinder and the foundation pit soil layer are firmly connected into a whole, and the anti-settling performance of the inspection well is effectively improved; be provided with the hinge bar for many adapter sleeve connect into one, improve the structural stability of inspection shaft, and when adapter sleeve slided towards being close to the embedded bar direction, the contained angle of hinge bar between two adjacent adapter sleeve gradually increased, thereby the area of contact of increase anti seat and soil layer subsides, further improves the anti performance of subsiding of inspection shaft.
In summary, the present application includes at least one of the following beneficial technical effects:
the embedded steel bars are inserted into the connecting sleeve, and high-strength slurry is poured into the inner hole of the connecting sleeve through the first grouting port, so that the well chamber body, the connecting cylinder and the foundation pit soil layer are firmly connected into a whole, and the anti-settling performance of the inspection well is effectively improved;
the hinge rods are arranged, so that the plurality of connecting sleeves are connected into a whole, the structural stability of the inspection well is improved, and when the connecting sleeves slide towards the direction close to the embedded steel bars, the included angle of the hinge rods between every two adjacent connecting sleeves is gradually increased, so that the contact area of the anti-settling seat and a soil layer is increased, and the anti-settling performance of the inspection well is further improved;
the anti claw of subsiding comprises fixed block and fixture block, forms the draw-in groove between the outer wall of fixed block, fixture block and well room body to improve the interlock intensity of well room body and soil layer, improve the associativity between well room body and the soil layer, the draw-in groove opening of the anti claw of subsiding sets up downwards, further improves the anti nature of subsiding of well room body, and then improves the structural stability of inspection shaft.
Drawings
Fig. 1 is a schematic view of the overall structure of a settlement-proof inspection well chamber structure.
Fig. 2 is a schematic structural view of the elevating mechanism.
Fig. 3 is a schematic view of a connection structure of the connecting cylinder and the anti-settling seat.
Fig. 4 is a schematic structural view of the second well body.
Fig. 5 is a schematic structural view of the first well body.
Fig. 6 is a structural sectional view of the first well body and the second well body after assembly.
Fig. 7 is an enlarged view of fig. 6 at a.
Fig. 8 is a schematic structural view of the drive mechanism.
Description of reference numerals: 1. a first well chamber body; 11. a second water stop tank; 12. inserting grooves; 13. mounting a column; 14. a limiting groove; 2. a second well chamber body; 21. a first water stop tank; 22. a waterproof sheet; 23. mounting grooves; 24. a water stop bar; 25. a mounting cavity; 26. a second grouting port; 27. an operating lever; 28. a limiting block; 3. a connecting cylinder; 31. a well cover; 32. a sliding seat; 33. a connecting rod; 34. rotating the ring groove; 4. an anti-settling seat; 41. a sliding cavity; 42. connecting a sleeve; 43. the rotating ring is convex; 44. a first grouting port; 45. a lifting mechanism; 451. fixing the sleeve; 452. a slide bar; 453. a nut sleeve; 454. a first sprocket; 455. a first chain; 46. a force application hole; 47. a hinged lever; 5. embedding reinforcing steel bars in advance; 6. anti-settling claws; 61. a fixed block; 62. a clamping block; 7. a drive mechanism; 71. a second sprocket; 72. a second chain; 73. a drive member; 8. and a support member.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses prevent subsiding inspection well room structure, refer to figure 1, including the well room body that has the inner chamber setting, the well room body is including the square first well room body 1 and the square second well room body 2 that are upper and lower distribution, and first well room body 1 is located the top of the second well room body 2, and the semi-circular mounting hole that communicates in the inner chamber and wear to establish in order to supply the pipeline is all seted up to the relative both sides wall of the first well room body 1 and the second well room body 2.
Referring to fig. 2 and 3, the upper end face of the first well chamber body 1 is provided with a connecting cylinder 3 with an axis which is vertically arranged and communicated with the inner cavity of the well chamber body, the two ends of the connecting cylinder 3 are both arranged in an open manner, and the upper end of the connecting cylinder 3 is provided with a well cover 31. The lower part of connecting cylinder 3 is connected with anti seat 4 that subsides in coaxial rotation, and the periphery wall of connecting cylinder 3 encircles and has seted up rotation annular 34, and anti seat 4 that subsides sets up the through-hole that supplies connecting cylinder 3 to wear to establish, and the through-hole inner wall protrusion of anti seat 4 is provided with the adaptation and rotates the protruding 43 of rotating ring in rotation annular 34. The anti seat 4 that subsides of opening has force application hole 46, and force application hole 46 is provided with a plurality ofly and distributes around the axis of anti seat 4 that subsides, and constructor uses the instrument to insert in the force application hole 46, and the anti seat 4 that subsides of antagonism exerts the moment of torsion, and then realizes the relative rotation of anti seat 4 and connecting cylinder 3 that subsides.
Referring to fig. 2 and 3, a sliding cavity 41 is formed in the outer peripheral wall of the anti-settling seat 4 along the radial direction, and the sliding cavity 41 penetrates through the upper and lower end faces of the anti-settling seat 4. The anti-settling seat 4 is provided with a connecting sleeve 42 connected with the sliding cavity 41 in a sliding manner, the connecting sleeve 42 is provided with a plurality of connecting sleeves distributed around the axis of the anti-settling seat 4, and the connecting sleeve 42 is sleeved on the embedded steel bars 5 preset on the soil layer. The connecting sleeve 42 is close to the end portion lateral wall of embedded steel bar 5 and is articulated to have articulated rod 47 through first articulated shaft, and articulated rod 47 between two adjacent connecting sleeve 42 passes through the mutual articulated setting of second articulated shaft, and the axis of first articulated shaft, second articulated shaft all is on a parallel with the axis of connecting cylinder 3. The connecting sleeve 42 is provided with a first grouting opening 44 communicated with the inner hole of the connecting sleeve 42, and high-strength mortar is poured into the inner hole of the connecting sleeve 42 through the first grouting opening 44, so that the connecting sleeve 42 and the embedded steel bars 5 are fixed.
Referring to fig. 2 and 3, the connecting cylinder 3 is coaxially sleeved with a sliding seat 32 located above the anti-settling seat 4, the sliding seat 32 slides along the vertical direction, the sliding seat 32 is provided with a connecting rod 33, one end of the connecting rod is hinged to the sliding seat 32, the other end of the connecting rod is hinged to the connecting sleeve 42, and the anti-settling seat 4 is provided with a lifting mechanism 45 for driving the sliding seat 32 to slide and lift. The lifting mechanism 45 comprises a plurality of fixed sleeves 451 which are distributed around the axis of the connecting cylinder 3 and fixedly connected to the upper end surface of the anti-settling seat 4, a sliding rod 452 which is vertically slidably inserted into the fixed sleeves 451, and a nut sleeve 453 which is rotatably sleeved on the fixed sleeves 451. The sliding rod 452 is a threaded rod and is connected to the nut sleeve 453 in a threaded manner, one end of the sliding rod 452, which is far away from the fixed sleeve 451, is fixedly connected to the lower end surface of the sliding seat 32, a first chain wheel 454 is coaxially and fixedly sleeved on each nut sleeve 453, and the plurality of first chain wheels 454 synchronously rotate through the first chain 455.
Referring to fig. 1, the outer side walls of the first well chamber body 1 and the second well chamber body 2 are both provided with L-shaped anti-settling claws 6, and the anti-settling claws 6 are provided with a plurality of groups and distributed on the outer side walls of the first well chamber body 1 and the second well chamber body 2. Each group of anti-settling claws 6 comprises a fixing block 61 fixedly connected to the outer walls of the first well chamber body 1 and the second well chamber body 2 and a fixture block 62 fixedly connected to the lower end face of the fixing block 61, and a clamping groove is formed between the fixing block 61, the fixture block 62 and the outer wall of the well chamber body. The interlock intensity of well room body and soil layer is improved, the conjugation degree between well room body and the soil layer is improved, and anti draw-in groove opening of subsiding claw 6 sets up downwards, further improves the anti nature of subsiding of well room body, and then improves the structural stability of inspection shaft.
Referring to fig. 4 and 5, a first water stopping groove 21 is formed in the outer edge of the upper end face of the second well body 2, a second water stopping groove 11 is correspondingly formed in the first well body 1, and a water stopping strip 24 which expands when encountering water is fixedly arranged in the first water stopping groove 21. The inner edge of the upper end face of the second well chamber body 2 is provided with a mounting groove 23, and the lower end face of the first well chamber body 1 is convexly provided with a mounting column 13 inserted in the mounting groove 23. The upper end surface of the second well chamber body 2 is convexly provided with a waterproof plate 22 positioned between the first water stop groove 21 and the mounting groove 23, and the lower end surface of the first well chamber body 1 is provided with an inserting groove 12 for inserting the waterproof plate 22. When the first well chamber body 1 and the second well chamber body 2 are fixedly installed, the water stop strip 24 is partially embedded in the second water stop groove 11, the waterproof plate 22 is inserted in the insertion groove 12, and the mounting column 13 is inserted in the mounting groove 23.
Referring to fig. 6 and 7, the inner side wall of the insertion groove 12 is provided with a limiting groove 14 located above the waterproof plate 22, the waterproof plate 22 is provided with an installation cavity 25 communicated with the insertion groove 12, and the installation cavity 25 extends to the side wall of the second well chamber body 2. The second well chamber body 2 is provided with an operating rod 27 penetrating through the installation cavity 25, the operating rod 27 is rotatably connected to the second well chamber body 2, the lower end portion of the operating rod 27 is exposed out of the second well chamber body 2, the upper end of the operating rod 27 is fixedly connected with a limiting block 28 rotatably embedded in the limiting groove 14, a second grouting opening 26 communicated with the installation cavity 25 is formed in the side wall of the second well chamber body 2, and waterproof mortar is poured through the second grouting opening 26.
Referring to fig. 7 and 8, the operation rods 27 are disposed several times and distributed around the circumferential wall of the second chamber body 2, and the second chamber body 2 is disposed with a driving mechanism 7 for driving the operation rods 27 to rotate synchronously. The driving mechanism 7 includes a second chain wheel 71 fixedly sleeved at the lower end of the operating rods 27 and exposed to the second well body 2, a second chain 72 wound around the second chain wheel 71 to drive the plurality of second chain wheels 71 to rotate synchronously, and a driving member 73 for driving one of the operating rods 27 to rotate so as to rotate synchronously with the plurality of operating rods 27. The driving member 73 is a handwheel which is coaxially and fixedly connected to the lower end of the operating rod 27 and is positioned below the second chain wheel 71. The lower end face of the second well chamber body 2 is convexly provided with supporting pieces 8, the supporting pieces 8 are provided with four supporting points which are respectively positioned at four top corners of the second well chamber body 2, and the supporting pieces 8 are jacks.
After the first well chamber body 1 and the second well chamber body 2 are assembled, the hand wheel is rotated to drive the operating rod 27 to rotate 90 degrees around the axis of the operating rod, so that the limiting block 28 is driven to rotate and embedded in the limiting groove 14, the end face of the limiting block 28 abuts against the inner wall of the limiting groove 14, and relative sliding limitation of the first well chamber body 1 and the second well chamber body 2 is realized, so that the first well chamber body 1 and the second well chamber body 2 are connected into a whole, and waterproof mortar is poured into the mounting cavity 25, the inserting groove 12 and the limiting groove 14 through the second grouting port 26.
The implementation principle of the anti-settling inspection well chamber structure in the embodiment of the application is as follows: in an initial state, the connecting sleeve 42 is contracted in the sliding cavity 41 of the anti-settling seat 4, when the well chamber body is placed in a dug foundation pit, the connecting sleeve 42 on the anti-settling seat 4 corresponds to the position of the embedded steel bars 5 embedded in the soil layer, the nut sleeve 453 on one of the fixing sleeves 451 is rotated, the nut sleeves 453 on the fixing sleeves 451 are synchronously rotated through the first chain wheel 454 and the first chain 455, so that the sliding seat 32 descends towards the direction close to the anti-settling seat 4, the connecting sleeve 42 is driven by the connecting rod 33 to slide towards the outer side direction of the anti-settling seat 4, the embedded steel bars 5 are inserted into the connecting sleeve 42, high-strength slurry is poured into the inner hole of the connecting sleeve 42 through the first grouting port 44, the well chamber body, the connecting cylinder 3 and the foundation pit soil layer are firmly connected into a whole, and the anti-settling performance of the inspection well is effectively improved; and when connecting sleeve 42 slided towards being close to embedded bar 5 direction, the contained angle of articulated pole 47 between two adjacent connecting sleeve 42 increases gradually to increase the area of contact of anti seat 4 and soil layer, further improve the anti performance of subsiding of inspection shaft.
The embodiment of the application also discloses a construction method of the anti-settling inspection well chamber structure, which comprises the following steps:
s1, processing foundation of site inspection well position, excavating foundation pit, laying a gravel cushion layer with the thickness of 5-10cm under the bottom plate of the inspection well chamber after the excavation is finished, re-measuring the base elevation and the horizontal and vertical line positions of the working well bottom before hoisting, marking a cross mark at the well bottom by using a white lime line, determining the accurate position of installation, releasing the vertical and horizontal central lines and the outline thereof at the well bottom, facilitating the alignment with the central line of the well chamber during the hoisting, and improving the installation precision;
s2, installing the second well chamber body 2, installing an inspection well chamber according to the actual condition of the field engineering progress after a product arrives on the site, hoisting the second well chamber body 2, wherein people cannot stand in a working well during hoisting, when the second well chamber body 2 is hoisted to be close to the top of a working well pipeline, manually assisting hoisting operation to push the second well chamber body 2 to a line drawing position, slowly descending and horizontally pushing the second well chamber body 2 to the installation position, so that the pipeline is positioned right above an installation hole in the second well chamber body 2, the support piece 8 abuts against the bottom wall of the well chamber and adjusts a piston rod of a jack to enable the second well chamber body 2 to ascend, and the inner wall of the installation hole of the second well chamber body 2 abuts against the outer wall of the lower half circumference of the pipeline;
step S3, installing the first well chamber body 1, before hoisting, fixedly placing the water stop strip 24 in the first water stop groove 21, cleaning the surface of the pipeline overlapped with the first well chamber body 1, watering and wetting, hoisting by using a chain block during installation, stopping the first well chamber body 1 at a position 500mm above the second well chamber body 2, commanding to slowly put down by an installer by using a hand to hold the first well chamber body 1, and adopting fine adjustment of the chain block to be matched with a reflector for adjustment, so as to ensure that the waterproof plate 22, the plugging groove 12, the water stop strip 24, the second water stop groove 11 and the installation groove 23 are accurately positioned, after the first well chamber body 1 and the second well chamber body 2 are assembled, the water stop strip 24 is embedded in the second water stop groove 11, the waterproof plate 22 is inserted in the plugging groove 12, and the installation column 13 is inserted in the installation groove 23;
step S4, slurry is poured, the hand wheel is rotated to drive the operating rod 27 to rotate 90 degrees around the axis of the operating rod, so that the limiting block 28 is driven to be embedded in the limiting groove 14 in a rotating mode, the end face of the limiting block 28 abuts against the inner wall of the limiting groove 14, and relative sliding limitation of the first well chamber body 1 and the second well chamber body 2 is achieved, the first well chamber body 1 and the second well chamber body 2 are connected into a whole, waterproof mortar is poured into the installation cavity 25, the inserting groove 12 and the limiting groove 14 through the second grouting port 26, and the first well chamber body 1 and the second well chamber body 2 are formed into a whole;
step S5, sealing the connecting joints, wherein the connecting joints on the inner sides of the first well chamber body 1 and the second well chamber body 2 are sealed and leveled by high-strength mortar, the outer sides of the connecting joints are sealed by polysulfide sealant, and the joints of the pipelines and the mounting holes of the first well chamber body 1 and the second well chamber body 2 are sealed and leveled by high-strength mortar;
step S6, performing a water closing test on the well section after the installation is finished, wherein the water seepage amount is the standard requirement of carrying out thin film top-view and thin film top-view on the well section, namely carrying out thin film top-view and thin film top-view on the well section, and the water closing test is qualified as seen from the test result, the water seepage amount is less than the standard requirement of carrying out thin film top-view and thin film;
step S7, rotating the nut sleeves 453 on one of the fixed sleeves 451, and synchronously rotating the nut sleeves 453 on the fixed sleeves 451 through the first chain wheel 454 and the first chain 455, so that the sliding seat 32 descends towards the direction close to the anti-settling seat 4, and the connecting sleeve 42 is driven by the connecting rod 33 to slide towards the outer side direction of the anti-settling seat 4, so that the embedded steel bars 5 are inserted into the connecting sleeve 42, the pipe orifice of the connecting sleeve 42 is plugged, and high-strength slurry is poured into the inner hole of the connecting sleeve 42 through the first grouting port 44, so that the well chamber body, the connecting cylinder 3 and the foundation pit soil layer are firmly connected into a whole;
and step S8, filling soil.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a prevent subsiding inspection shaft room structure which characterized in that: the device comprises a well chamber body with an inner cavity, wherein the well chamber body is provided with a connecting cylinder (3) with an axis which is vertically arranged, the connecting cylinder (3) is coaxially provided with an anti-settling seat (4), a sliding cavity (41) is radially arranged along the peripheral wall of the anti-settling seat (4), the anti-settling seat (4) is provided with a connecting sleeve (42) which is connected with the sliding cavity (41) in a sliding manner, the connecting sleeve (42) is provided with a plurality of connecting sleeves (42) which are distributed around the axis of the anti-settling seat (4), the connecting sleeve (42) is sleeved on pre-embedded steel bars (5) which are preset in a soil layer, the side wall of the end part of each connecting sleeve (42) is hinged with a hinge rod (47), the hinge rods (47) between two adjacent connecting sleeves (42) are mutually hinged, the connecting sleeve (42) is provided with a first grouting opening (44) communicated with the inner, and pouring slurry into the inner hole of the connecting sleeve (42) through the first grouting port (44).
2. The anti-settling inspection well chamber structure as claimed in claim 1, wherein: the coaxial cover of connecting cylinder (3) is equipped with and is located sliding seat (32) of anti seat (4) top of subsiding, sliding seat (32) are along vertical do the sliding motion, sliding seat (32) are provided with one end and articulate in connecting rod (33) of sliding seat (32) and the other end in adapter sleeve (42), be provided with on anti seat of subsiding (4) drive sliding seat (32) elevating system (45) that slide and go up and down.
3. The anti-settling inspection well chamber structure as defined in claim 2, wherein: elevating system (45) include that many distribute and fixed connection in fixed sleeve (451) of anti settling seat (4) around the axis of connecting cylinder (3), insert slide bar (452) of locating fixed sleeve (451) and rotate nut cover (453) of locating fixed sleeve (451) along vertical slip, slide bar (452) are threaded rod and threaded connection in nut cover (453), and the one end fixed connection that fixed sleeve (451) was kept away from in slide bar (452) is in sliding seat (32), every nut cover (453) are gone up all coaxial fixed cover and are equipped with first sprocket (454), and a plurality of first sprocket (454) rotate through first chain (455) synchronous.
4. The anti-settling inspection well chamber structure as defined in claim 2, wherein: the periphery wall of connecting cylinder (3) encircles has seted up rotation annular (34), the hole pore wall protrusion of anti seat (4) that subsides is provided with adaptation in the rotation protruding (43) of rotation annular (34), sliding seat (32) and connecting cylinder (3) relative rotation setting.
5. The anti-settling inspection well chamber structure as claimed in claim 1, wherein: the anti-settling seat (4) is provided with a force application hole (46), and the force application hole (46) is provided with a plurality of axial lines distributed around the anti-settling seat (4).
6. The anti-settling inspection well chamber structure as claimed in claim 1, wherein: the lateral wall of well room body is provided with anti claw (6) that subsides that are "L" type, and anti claw (6) that subsides are provided with the multiunit and distribute in the lateral wall of well room body, every group anti claw (6) that subsides include fixed block (61) and the fixture block (62) of fixed connection in the lower terminal surface of fixed block (61) of fixed block (6) of fixed connection in the outer wall of well room body, form the draw-in groove between the outer wall of fixed block (61), fixture block (62) and well room body.
7. The anti-settling inspection well chamber structure as claimed in claim 1, wherein: the well chamber body comprises a first well chamber body (1) and a second well chamber body (2) which are vertically distributed, wherein the first well chamber body (1) is positioned above the second well chamber body (2), two opposite side walls of the first well chamber body (1) and the second well chamber body (2) are respectively provided with a semicircular mounting hole communicated with an inner cavity for a pipeline to penetrate through, a connecting cylinder (3) is fixedly connected to the upper end surface of the first well chamber body (1), the upper end surface of the second well chamber body (2) is convexly provided with a waterproof plate (22), the lower end surface of the first well chamber body (1) is provided with an insertion groove (12) for the waterproof plate (22) to be inserted into, the upper end surface of the second well chamber body (2) is provided with a mounting groove (23), the lower end surface of the first well chamber body (1) is convexly provided with a mounting column (13) inserted into the mounting groove (23), and the first well chamber body (1) and the second well chamber body (2) are fixedly arranged, the waterproof plate (22) is inserted into the inserting groove (12), and the mounting column (13) is inserted into the mounting groove (23).
8. The anti-settling inspection well chamber structure as defined in claim 7, wherein: first stagnant water groove (21) have been seted up to the up end of second well room body (2), second stagnant water groove (11) have been seted up correspondingly to first well room body (1), and first stagnant water groove (21) internal fixation is provided with water swelling's sealing rod (24), and when first well room body (1) and second well room body (2) fixed mounting, sealing rod (24) part inlays and locates in second stagnant water groove (11).
9. The anti-settling inspection well chamber structure as defined in claim 7, wherein: the utility model discloses a waterproof structure, including inserting groove (12), second well room body (2), stopper groove (14) that are located waterproof board (22) top are seted up to the inside wall of inserting groove (12), waterproof board (22) are seted up and are communicated in installing cavity (25) of inserting groove (12), second well room body (2) are provided with action bars (27) of wearing to locate installing cavity (25), action bars (27) rotate to be connected in second well room body (2), the lower tip of action bars (27) exposes in second well room body (2) outward, and the upper end fixedly connected with of action bars (27) rotates and inlays stopper (28) of locating stopper groove (14), second slip casting mouth (26) that communicate in installing cavity (25) are seted up to the lateral wall of second well room body (2), pours waterproof mortar through second slip casting mouth (26).
10. The construction method of a settlement-preventing inspection chamber structure as claimed in any one of claims 1 to 9, wherein: the method comprises the following steps:
s1, carrying out foundation treatment on the site inspection well position and excavating a foundation pit;
step S2, installing a second well chamber body (2);
s3, installing the first well room body (1), wherein an installer uses a hand to hold the first well room body (1) to command slow release, and uses a chain block to perform fine adjustment and a reflective mirror to perform matching adjustment, so as to ensure that the waterproof plate (22), the splicing groove (12), the water stop strip (24), the second water stop groove (11) and the installation column (13) are accurately positioned with the installation groove (23), after the first well room body (1) and the second well room body (2) are assembled, the water stop strip (24) is embedded in the second water stop groove (11), the waterproof plate (22) is inserted in the splicing groove (12), and the installation column (13) is inserted in the installation groove (23);
s4, pouring slurry, rotating the operating rod (27) for 90 degrees around the axis of the operating rod to drive the limiting block (28) to be rotatably embedded in the limiting groove (14), wherein the end face of the limiting block (28) abuts against the inner wall of the limiting groove (14), so that relative sliding limitation of the first well chamber body (1) and the second well chamber body (2) is realized, the first well chamber body (1) and the second well chamber body (2) are connected into a whole, and waterproof mortar is poured into the mounting cavity (25), the inserting groove (12) and the limiting groove (14) through the second grouting port (26), so that the first well chamber body (1) and the second well chamber body (2) form a whole;
s5, sealing the connecting joints, wherein the connecting joints on the inner sides of the first well chamber body (1) and the second well chamber body (2) are sealed and leveled by high-strength mortar, the outer sides of the connecting joints are sealed by polysulfide sealant, and the joints of the pipelines and the mounting holes of the first well chamber body (1) and the second well chamber body (2) are sealed and leveled by high-strength mortar;
step S6, performing a water closing test on the well section after the installation is finished;
step S7, the nut sleeves (453) on one of the fixed sleeves (451) are rotated, the nut sleeves (453) on the fixed sleeves (451) are synchronously rotated through the first chain wheel (454) and the first chain (455), so that the sliding seat (32) descends towards the direction close to the anti-settling seat (4), the connecting sleeve (42) is driven to slide towards the outer side of the anti-settling seat (4) through the connecting rod (33), the embedded steel bars (5) are inserted into the connecting sleeve (42), the pipe orifice of the connecting sleeve (42) is plugged, high-strength slurry is poured into the inner hole of the connecting sleeve (42) through the first grouting port (44), and the well chamber body, the connecting cylinder (3) and the foundation pit soil layer are firmly connected into a whole;
and step S8, filling soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011522778.0A CN112663675A (en) | 2020-12-21 | 2020-12-21 | Anti-settling inspection well chamber structure and construction method thereof |
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| CN202011522778.0A CN112663675A (en) | 2020-12-21 | 2020-12-21 | Anti-settling inspection well chamber structure and construction method thereof |
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| CN113548153A (en) * | 2021-09-23 | 2021-10-26 | 南通迪斯船舶科技有限公司 | Device for preventing manhole of hull deck from falling |
| CN113737815A (en) * | 2021-10-13 | 2021-12-03 | 福建金鼎建筑发展有限公司 | Foundation pit row pile supporting pile soil reinforcing structure and method |
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Application publication date: 20210416 |