CN115045208A - Assembled underground box culvert of superimposed sheet form - Google Patents
Assembled underground box culvert of superimposed sheet form Download PDFInfo
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- CN115045208A CN115045208A CN202210718920.1A CN202210718920A CN115045208A CN 115045208 A CN115045208 A CN 115045208A CN 202210718920 A CN202210718920 A CN 202210718920A CN 115045208 A CN115045208 A CN 115045208A
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- plate
- box culvert
- bottom plate
- roof
- sliding
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
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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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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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
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The utility model relates to an assembled underground box culvert of superimposed sheet form, including the prefabricated unit box culvert body, the prefabricated unit box culvert body includes bottom plate, a pair of assembly in the curb plate of bottom plate both sides and assembles in the roof on curb plate upper portion, and the roof is located the top of bottom plate, the both sides of bottom plate and roof opposite face all bulge and are provided with the connection boss, connect the boss along vertical inserting groove of having seted up, the lower part of curb plate and upper portion all bulge are provided with slide and insert the grafting portion of locating the inserting groove, bottom plate and roof all are provided with the stop gear who carries out the fixing to the sliding position of inserting portion. This application has the effect of effectively shortening the construction cycle of box culvert.
Description
Technical Field
The application relates to the technical field of box culverts, in particular to an assembled underground box culvert in a laminated slab form.
Background
The box culvert is mainly used in projects such as a flood discharge channel, an urban sewage pipeline, an underground pedestrian channel, an underground tunnel of a motor vehicle and the like. The box culvert construction generally adopts cast-in-place, pours a layer of concrete bottom plate in the slot that excavates, will process the good reinforcing bar scene ligature lateral wall lower half again, prop up centre form and external mold, and great box culvert generally pours the lower half of bottom plate and lateral wall earlier, and the ligature lateral wall first and top plate reinforcing bar again prop up interior centre form, pour lateral wall first and top plate. And (5) removing the formwork when the concrete reaches the strength required by the design, and backfilling the soil on the two sides of the box culvert.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the box culvert needs cast-in-place, has long maintenance time, and does not meet the requirements of shortening the construction period and quickly constructing urban roads, so the box culvert needs further improvement.
Disclosure of Invention
In order to effectively shorten the construction cycle of box culvert, this application provides an assembled underground box culvert of superimposed sheet form.
The application provides a fabricated underground box culvert of superimposed sheet form adopts following technical scheme:
the utility model provides an assembled underground box culvert of superimposed sheet form, includes the prefabricated unit box culvert body, and the prefabricated unit box culvert body includes the bottom plate, a pair of assembly in the curb plate of bottom plate both sides and assembles in the roof on curb plate upper portion, and the roof is located the top of bottom plate, the both sides of bottom plate and roof opposite face all bulge and are provided with the connection boss, connect the boss along vertical inserting groove of having seted up, the lower part and the upper portion of curb plate all bulge and are provided with to slide and insert the grafting portion of locating the inserting groove, bottom plate and roof all are provided with the stop gear who carries out the fixing to the sliding position of inserting portion.
Through adopting above-mentioned technical scheme, prefabricate the bottom plate in the mill, roof and curb plate, when assembling the prefabricated unit box culvert body, place the bottom plate in construction ground, slide the grafting portion of curb plate lower part and insert and locate the inserting groove of connecting the boss on the bottom plate in then, fix the grafting portion of curb plate lower part through stop gear, realize the fixed of bottom plate and curb plate, aim at the grafting portion on curb plate upper portion with the inserting groove on the roof at last, and descend the roof to make the grafting portion on curb plate upper portion insert and locate the inserting groove of connecting the boss on the roof in, fix the grafting portion of curb plate lower part through stop gear, realize the fixed of curb plate and roof, adopt the mode of assembling of prefabricated on-the-spot assembly of mill, effectively shorten the construction cycle of box culvert.
Preferably, the spliced portion has seted up the spliced eye along the horizontal direction, bottom plate and roof all have the installation cavity, have the passageway of mutual intercommunication between installation cavity and the inserting groove, stop gear sets up in the slide plate and inserts the drive assembly who locates the spliced pole of spliced eye and drive slide plate and slide including sliding the slide plate, the protrusion of connecting in the installation cavity.
Through adopting above-mentioned technical scheme, after the inserting part of curb plate slided and inserts the inserting groove of locating roof/bottom plate, slide the board through drive assembly drive and slide towards being close to the passageway direction for the spliced pole level slides and inserts the spliced eye of locating on the inserting part, thereby effectively restricts the vertical degree of freedom that slides of inserting part, realizes the fixed action between bottom plate/roof and the curb plate.
Preferably, the driving assembly comprises an adjusting screw rod rotatably connected to the inner wall of the mounting cavity, a sliding sleeve in threaded sleeve with the adjusting screw rod, and a hinge member with one end hinged to the sliding plate and the other end hinged to the sliding sleeve, wherein one end of the adjusting screw rod is exposed out of the bottom plate/top plate.
By adopting the technical scheme, after the insertion part of the side plate slides and is inserted into the insertion groove of the top plate/the bottom plate, the adjusting screw rod is rotated, the sliding sleeve slides along the axial direction of the adjusting screw rod due to the limiting effect of the hinge piece, so that the sliding plate is pushed by the hinge piece to slide towards the direction close to the channel, and the insertion column penetrates through the channel and is inserted into the insertion hole formed in the insertion part.
Preferably, the outer walls of the two sides of the sliding plate abut against the inner wall of the installation cavity, the upper end face of the sliding plate abuts against the inner wall of the top of the installation cavity, and the lower end face of the sliding plate abuts against the inner wall of the bottom of the installation cavity.
Through adopting above-mentioned technical scheme, four lateral surfaces of slide plate all correspond the butt in the inner wall of installation cavity, have the leakproofness, effectively block the isolation to the steam that is located slide plate near passageway one side region by inserting groove, passageway entering installation cavity, reduce the possibility that steam gets into the region that is equipped with accommodate the lead screw, then reduce accommodate the lead screw's the possibility of emergence corrosion, improve accommodate the lead screw's life.
Preferably, the connection boss is provided with a first elastic piece arranged in the insertion groove, one end of the first elastic piece is fixedly connected to the bottom wall of the insertion groove, the other end of the first elastic piece is fixedly connected with a first sealing plate, the first sealing plate slides in the insertion groove along the vertical direction, and the first sealing plate is adapted to the insertion groove and seals the notch of the insertion groove in the normal state.
By adopting the technical scheme, in an initial state, the first elastic piece forces the first sealing plate to slide to the position of the notch of the insertion groove so as to plug the notch of the insertion groove, on one hand, the possibility that foreign matters or impurities fall into the insertion groove to cause blockage in the insertion groove is reduced, on the other hand, a first water vapor isolation barrier is formed, the possibility that water molecules in air sequentially enter the installation cavity from the insertion groove is reduced, the possibility that the adjusting screw rod is corroded is reduced, and the service life of the adjusting screw rod is prolonged; when assembling the prefabricated unit box culvert body, to curb plate and bottom plate installation as the example, the grafting portion butt of curb plate in the up end of first closing plate, the curb plate makes first closing plate move down owing to the dead weight pushes down first closing plate, and at this moment, deformation takes place for first elastic component, realizes that grafting portion inserts and locates the inserting groove.
Preferably, the first elastic part is an elastic bag body, one end of the elastic bag body is fixedly connected to the inner wall of the bottom of the insertion groove, the first sealing plate is fixedly connected to the other end of the elastic bag body, and the elastic bag body is filled with adhesive.
Through adopting above-mentioned technical scheme, use curb plate and bottom plate installation as an example, the in-process that first closing plate moved down, extrude the elasticity utricule, the elasticity utricule is pressed and takes place to break after reaching the elasticity threshold value, the adhesive flows to the installation cavity from the passageway and is located the slide plate and is close to passageway one side region back, after grafting portion is in mounted position department (spliced eye and the spliced pole position on the slide plate are corresponding), slide towards being close to the passageway direction through drive assembly drive slide plate, make spliced pole horizontal slip insert the spliced eye of locating on the spliced portion, the slide plate in-process that slides, promote the adhesive and flow back to the inserting groove that is located first closing plate top through the passageway, fill in the gap of spliced pole and jack hole and the gap of spliced portion and inserting groove, improve the connection steadiness of curb plate and bottom plate and realize the sealed of erection joint.
Preferably, the connecting boss is provided with a sliding cavity communicated with the channel, the length direction of the sliding cavity is parallel to the length direction of the insertion groove, the sliding cavity is located above the channel, the connecting boss is provided with a second sealing plate connected with the sliding cavity in a sliding manner, a second elastic piece which normally forces one end of the second sealing plate to abut against the inner wall of the channel so as to seal the channel is arranged in the sliding cavity, and a linkage piece is arranged between the first sealing plate and the second sealing plate so as to force the first sealing plate and the second sealing plate to slide towards opposite directions.
By adopting the technical scheme, taking the bottom plate as an example, in an initial state, the second elastic piece forces the second sealing plate to slide so that the lower end of the second sealing plate is abutted against the inner wall of the bottom of the channel to block the channel to form a second water vapor isolation barrier, so that the possibility that water molecules in the air enter the mounting cavity from the channel is reduced, the possibility of rusting of the adjusting screw rod is reduced, and the service life of the adjusting screw rod is prolonged; in the process that the first sealing plate moves downwards, the second sealing plate is driven to move upwards through the linkage piece, so that the channel is in a communicated state.
Preferably, the linkage piece is a connection rope, one end of the connection rope is fixedly connected to the outer end face, far away from the channel, of the second sealing plate, and the other end of the connection rope penetrates through the connection boss and is fixedly connected to the first sealing plate.
Through adopting above-mentioned technical scheme, the in-process that first closing plate moved down shifts up through connecting the rope pulling second closing plate for the passageway is the connected state.
Preferably, the prefabricated unit box culvert bodies are provided with a plurality of prefabricated unit box culverts, and two adjacent prefabricated unit box culverts are spliced into a whole through the fixing component.
Through adopting above-mentioned technical scheme, this box culvert structure is assembled by a plurality of prefabricated unit box culvert bodies and is formed, and the prefabricated unit box culvert body is prefabricated in the mill, goes to the job site again and assembles and can constitute whole box culvert, has shortened construction cycle greatly, has reduced construction cost.
Preferably, the coaxial fixedly connected with in one end of accommodate the lead screw is located the outside drive block of roof/bottom plate, the transversal polygon setting of drive block, the opposite side that roof/bottom plate kept away from the drive block is seted up and is supplied the adjacent connecting hole that the drive block of roof/bottom plate on the prefabricated unit box culvert body was inserted, and the cross section of connecting hole corresponds and is the polygon setting, and spacing hole has been seted up along its radial in the perisporium of drive block, fixing component is the fixing bolt that the bottom plate/roof was worn to locate by the screw thread, and fixing bolt's tip is inserted and is located spacing hole.
By adopting the technical scheme, a worker applies torque force to the driving block through a tool (such as a wrench) to realize rotation of the adjusting screw rod, when two prefabricated unit box culvert bodies are assembled, the driving block on one prefabricated unit box culvert body is inserted into the connecting hole on the other prefabricated unit box culvert body, on one hand, positioning and installation of the prefabricated unit box culvert bodies are realized, on the other hand, the rotation freedom degree of the driving block is effectively limited, and the possibility that the inserting column is separated from the inserting hole of the inserting part due to reverse rotation of the driving block is reduced; and then locking the fixing bolt, so that the end part of the fixing bolt is inserted into the limiting hole on the driving block, and the two adjacent prefabricated unit box culvert bodies are fixedly connected.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the prefabricated unit box culvert body is assembled, the bottom plate is placed on the construction ground, then the inserting part at the lower part of the side plate is inserted into the inserting groove of the connecting boss on the bottom plate in a sliding manner, the inserting part at the lower part of the side plate is fixed through the limiting mechanism, so that the bottom plate and the side plate are fixed, finally, the inserting groove on the top plate is aligned to the inserting part at the upper part of the side plate, the top plate is lowered, so that the inserting part at the upper part of the side plate is inserted into the inserting groove of the connecting boss on the top plate, the inserting part at the lower part of the side plate is fixed through the limiting mechanism, so that the side plate and the top plate are fixed, and the construction period of the box culvert is effectively shortened by adopting an assembling mode of factory prefabrication site assembly;
2. in an initial state, the first elastic piece forces the first sealing plate to slide to the position of the notch of the insertion groove so as to plug the notch of the insertion groove, on one hand, the possibility that foreign matters or impurities fall into the insertion groove to cause the blockage in the insertion groove is reduced, on the other hand, a first water vapor isolation barrier is formed, the possibility that water molecules in air sequentially enter the installation cavity from the insertion groove is reduced, the possibility that the adjusting screw rod is corroded is reduced, and the service life of the adjusting screw rod is prolonged; when the prefabricated unit box culvert bodies are assembled, taking the installation of the side plates and the bottom plate as an example, the insertion parts of the side plates abut against the upper end surfaces of the first sealing plates, the first sealing plates move downwards due to the downward pressing of the side plates on the first sealing plates due to self weight, and at the moment, the first elastic pieces deform to realize the insertion of the insertion parts in the insertion grooves;
3. under the initial state, the second elastic component forces the second sealing plate to slide so that the lower end of the second sealing plate abuts against the inner wall of the bottom of the channel to block the channel, a second water vapor isolation barrier is formed, the possibility that water molecules in the air enter the installation cavity through the channel is reduced, the possibility of rusting of the adjusting screw rod is reduced, and the service life of the adjusting screw rod is prolonged.
Drawings
Figure 1 is a schematic view of the structure of an assembled underground box culvert in the form of a laminated slab.
Fig. 2 is a schematic structural diagram of a prefabricated unit box culvert body.
Fig. 3 is a schematic structural view of the base plate.
Fig. 4 is a schematic view of the initial state of the first and second sealing plates.
Fig. 5 is a schematic structural view of the driving assembly.
Fig. 6 is a structural schematic view of the connection hole and the fixing bolt.
Fig. 7 is a schematic structural view of a state where the bottom plate and the side plate are mounted.
Description of reference numerals: 1. a base plate; 11. a mounting cavity; 12. a channel; 2. a side plate; 21. a plug-in part; 22. inserting holes; 3. a top plate; 4. connecting the bosses; 41. inserting grooves; 42. a sliding cavity; 43. a first sealing plate; 44. an elastic bladder body; 45. an adhesive; 46. a second sealing plate; 47. a compression spring; 48. connecting ropes; 5. a limiting mechanism; 51. a slide plate; 52. inserting the column; 53. a drive assembly; 531. adjusting the screw rod; 532. a sliding sleeve; 533. a hinge plate; 6. a drive block; 61. a limiting hole; 7. connecting holes; 8. fixing the bolt; 10. and (5) prefabricating a unit box culvert body.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses assembled underground box culvert of superimposed sheet form, refers to figure 1, including prefabricated unit box culvert body 10, prefabricated unit box culvert body 10 is provided with a plurality ofly and is to arrange the setting in proper order, splices through fixed subassembly between two adjacent prefabricated unit box culvert bodies 10 and becomes one.
Referring to fig. 1 and 2, each prefabricated unit box culvert 10 includes a bottom plate 1, a pair of side plates 2 assembled at both sides of the bottom plate 1, and a top plate 3 assembled at upper portions of the side plates 2, the top plate 3 being located above the bottom plate 1. The both sides of 3 opposite faces of bottom plate 1 and roof all protrude and are provided with connection boss 4, and curb plate 2 is vertical setting, and the lower terminal surface and the equal fixedly connected with grafting portion 21 of protruding of up end of curb plate 2, the length direction of grafting portion 21 is on a parallel with the length direction of curb plate 2, and grafting hole 22 has been seted up along the horizontal direction to grafting portion 21, and grafting hole 22 is provided with a plurality ofly and distributes along the length direction of grafting portion 21.
Referring to fig. 2, 3 and 4, the top plate 3 and the bottom plate 1 have the same structure, and taking the bottom plate 1 as an example, the upper end surface of the connecting boss 4 provided on the bottom plate 1 is vertically provided with an insertion groove 41 into which the insertion portion 21 is inserted. Connect boss 4 to be provided with the first elastic component of placing in inserting groove 41 in, in this embodiment, first elastic component is elasticity utricule 44, the one end fixed connection of elasticity utricule 44 is in inserting groove 41's bottom inner wall, the first closing plate 43 of the other end fixedly connected with of elasticity utricule 44, first closing plate 43 slides in inserting groove 41 along vertical, first closing plate 43 adaptation in inserting groove 41, elasticity utricule 44 intussuseption is filled with adhesive 45, make elasticity utricule 44 be in the expanded state, in order to jack first closing plate 43 in inserting groove 41's upper portion notch department, the notch that first closing plate 43 docks inserting groove 41 under the normality is sealed.
The base plate 1 has a mounting cavity 11, and the mounting cavity 11 and the insertion groove 41 have a channel 12 communicating with each other. The connecting boss 4 is vertically provided with a sliding cavity 42 communicated with the channel 12, the sliding cavity 42 is positioned above the channel 12, and the sliding cavity 42 is positioned on one side of the inserting groove 41. The connecting boss 4 is provided with a second sealing plate 46 connected to the sliding cavity 42 in a sliding manner along the vertical direction, and a second elastic member is arranged in the sliding cavity 42 and normally forces the lower end of the second sealing plate 46 to abut against the inner wall of the bottom of the channel 12 so as to seal the channel 12. In this embodiment, the second elastic member is a compression spring 47, one end of the compression spring 47 is fixedly connected to the upper end surface of the second sealing plate 46, and the other end of the compression spring 47 is fixedly connected to the top inner wall of the sliding cavity 42.
In a normal state, the first sealing plate 43 is located above the second sealing plate 46, and a linkage member is disposed between the first sealing plate 43 and the second sealing plate 46 to force the first sealing plate 43 and the second sealing plate 46 to slide in opposite directions, specifically, the linkage member is a connection rope 48, one end of the connection rope 48 is fixedly connected to an upper end face of the second sealing plate 46, and the other end of the connection rope 48 penetrates through a side wall of the sliding cavity 42 and is fixedly connected to a side wall of the first sealing plate 43.
Referring to fig. 3 and 5, the bottom plate 1 is provided with a limiting mechanism 5 for fixing the sliding position of the insertion portion 21, and the limiting mechanism 5 includes a sliding plate 51, an insertion column 52, and a driving assembly 53. The length direction of the sliding plate 51 is parallel to the width direction of the bottom plate 1, the sliding plate 51 is provided with two and is distributed along the length direction of the bottom plate 1, the sliding plate 51 slides along the length direction of the bottom plate 1 and is connected to the installation cavity 11, the outer walls of the two sides of the sliding plate 51 are all abutted to the inner wall of the installation cavity 11, the upper end face of the sliding plate 51 is abutted to the inner wall of the top of the installation cavity 11, and the lower end face of the sliding plate 51 is abutted to the inner wall of the bottom of the installation cavity 11. The inserting column 52 is protruded and fixedly connected to one side of the two sliding plates 51 which deviates from each other, the axial direction of the inserting column 52 is parallel to the length direction of the bottom plate 1, and the inserting column 52 is provided with a plurality of inserting columns which are distributed along the length direction of the sliding plates 51.
The driving assembly 53 is used for driving the two sliding plates 51 to synchronously slide towards the direction of approaching to each other or away from each other, and the driving assembly 53 comprises an adjusting screw 531, a sliding sleeve 532 and a hinge. The adjusting screw 531 is located between the two sliding plates 51, the adjusting screw 531 is rotatably connected to the inner wall of the mounting cavity 11, and the axial direction of the adjusting screw 531 is parallel to the length direction of the sliding plates 51. The sliding sleeves 532 are arranged in a plurality of numbers and distributed along the length direction of the adjusting screw 531, and the adjusting screw 531 is sleeved with the sliding sleeves 532 in a threaded manner. The hinge pieces are correspondingly arranged in a plurality of numbers, the hinge pieces are located between the sliding plate 51 and the sliding sleeve 532, specifically, the hinge pieces are hinge plates 533, one ends of the hinge plates 533 are hinged to the sliding sleeve 532, the other ends of the hinge plates 533 are hinged to the sliding plate 51, the upper end faces of the hinge plates 533 abut against the top inner wall of the installation cavity 11, and the lower end faces of the hinge plates 533 abut against the bottom inner wall of the installation cavity 11.
Referring to fig. 2 and 6, one end of the adjusting screw 531 is exposed out of the bottom plate 1, one end of the adjusting screw 531 is coaxially and fixedly connected with a driving block 6 positioned outside the bottom plate 1, and the cross section of the driving block 6 is arranged in a polygon shape. One side of the bottom plate 1, which is far away from the driving block 6, is provided with a connecting hole 7 for the insertion of the driving block 6 on the adjacent prefabricated unit box culvert body 10, and the cross section of the connecting hole 7 is correspondingly arranged in a polygon shape. Spacing hole 61 has been seted up along its radial to the perisporium of drive block 6, and fixed subassembly is the fixing bolt 8 that the bottom plate 1 was worn to locate for the screw thread, and fixing bolt 8's tip is inserted and is located spacing hole 61.
The implementation principle of the assembled underground box culvert of this application embodiment form is: when the bottom plate 1, the top plate 3 and the side plate 2 are prefabricated in a factory, when the prefabricated unit box culvert body 10 is assembled, the bottom plate 1 is placed on a construction ground, the side plate 2 is lifted above the bottom plate 1 to enable the insertion part 21 at the lower part of the side plate 2 to be abutted against the upper end face of the first sealing plate 43, the first sealing plate 43 is downwards moved due to the downward pressing of the side plate 2 on the first sealing plate 43 due to self weight, the elastic bag body 44 is extruded in the downwards moving process of the first sealing plate 43, the elastic bag body 44 is broken after being pressed to reach an elastic threshold value, meanwhile, the first sealing plate 43 downwards moves to pull the second sealing plate 46 upwards through the connecting rope 48 to enable the channel 12 to be in a communicating state, the adhesive 45 in the elastic bag body 44 flows to the installation cavity 11 from the channel 12 to an area, which is positioned on one side of the sliding plate 51 close to the channel 12, when the insertion part 21 is positioned at the installation position (the insertion hole 22 corresponds to the insertion column 52 on the sliding plate 51), the staff exerts torsion to drive block 6 through instrument (like the spanner), realize accommodate the rotation of lead screw 531, drive slide plate 51 and slide towards the direction that is close to passageway 12, make spliced pole 52 horizontal slip insert locate the spliced eye 22 on grafting portion 21, slide plate 51 slides the in-process, promote adhesive 45 and flow back to the inserting groove 41 that is located first sealing plate 43 top through passageway 12, fill in the gap of spliced pole 52 and spliced eye 22 and the gap of grafting portion 21 and inserting groove 41, improve the connection steadiness of curb plate 2 and bottom plate 1 and realize the sealed of installation seam, refer to fig. 7, realize that grafting portion 21 inserts and locates inserting groove 41.
The two adjacent prefabricated unit box culvert bodies 10 are spliced, and the driving block 6 on one prefabricated unit box culvert body 10 is inserted into the connecting hole 7 on the other prefabricated unit box culvert body 10, so that on one hand, the prefabricated unit box culvert bodies 10 are positioned and installed, on the other hand, the rotational freedom degree of the driving block 6 is effectively limited, and the possibility that the driving block 6 rotates reversely to cause the splicing columns 52 to be separated from the splicing holes 22 of the splicing parts 21 is reduced; and then, the fixing bolt 8 is locked, so that the end part of the fixing bolt 8 is inserted into the limiting hole 61 on the driving block 6, and the two adjacent prefabricated unit box culvert bodies 10 are fixedly connected.
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 an assembled underground box culvert of superimposed sheet form which characterized in that: including prefabricated unit box culvert body (10), prefabricated unit box culvert body (10) include bottom plate (1), a pair of curb plate (2) of assembling in bottom plate (1) both sides and assemble in roof (3) on curb plate (2) upper portion, roof (3) are located the top of bottom plate (1), the both sides of bottom plate (1) and roof (3) opposite face all bulge and are provided with connection boss (4), connection boss (4) have been seted up inserting groove (41) along vertical, the lower part and the upper portion of curb plate (2) all bulge and are provided with to slide and insert inserting grafting portion (21) of locating inserting groove (41), bottom plate (1) and roof (3) all are provided with slide position to inserting portion (21) and carry out fixed stop gear (5).
2. The fabricated underground box culvert in the form of a laminated slab of claim 1, wherein: spliced portion (21) have seted up spliced eye (22) along the horizontal direction, bottom plate (1) and roof (3) all have installation cavity (11), have passageway (12) that communicate each other between installation cavity (11) and inserting groove (41), stop gear (5) including slide connect in slide plate (51) of installation cavity (11), protrusion set up in slide plate (51) and insert peg graft post (52) and the drive assembly (53) that drive slide plate (51) slided of locating spliced eye (22).
3. The fabricated underground box culvert in the form of a laminated slab of claim 2, wherein: the driving assembly (53) comprises an adjusting screw rod (531) rotatably connected to the inner wall of the mounting cavity (11), a sliding sleeve (532) in which the adjusting screw rod (531) is sleeved in a threaded manner, and a hinge piece, wherein one end of the hinge piece is hinged to the sliding plate (51), the other end of the hinge piece is hinged to the sliding sleeve (532), and one end of the adjusting screw rod (531) is exposed out of the bottom plate (1)/the top plate (3).
4. An assembled underground box culvert in the form of a laminated slab as claimed in claim 3, wherein: the outer walls of the two sides of the sliding plate (51) are abutted to the inner side wall of the installation cavity (11), the upper end face of the sliding plate (51) is abutted to the inner wall of the top of the installation cavity (11), and the lower end face of the sliding plate (51) is abutted to the inner wall of the bottom of the installation cavity (11).
5. An assembled underground box culvert in the form of a laminated slab as claimed in claim 4, wherein: the connecting boss (4) is provided with a first elastic piece which is arranged in the insertion groove (41), one end of the first elastic piece is fixedly connected to the bottom wall of the insertion groove (41), the other end of the first elastic piece is fixedly connected with a first sealing plate (43), the first sealing plate (43) slides in the insertion groove (41) along the vertical direction, and the first sealing plate (43) is adaptive to the insertion groove (41) and seals a notch of the insertion groove (41) in a normal state.
6. An assembled underground box culvert in the form of a laminated slab as claimed in claim 5, wherein: the first elastic piece is an elastic bag body (44), one end of the elastic bag body (44) is fixedly connected to the inner wall of the bottom of the insertion groove (41), the first sealing plate (43) is fixedly connected to the other end of the elastic bag body (44), and an adhesive (45) is filled in the elastic bag body (44).
7. An assembled underground box culvert in the form of a laminated slab as claimed in claim 5, wherein: the connecting boss (4) is provided with a sliding cavity (42) communicated with the channel (12), the length direction of the sliding cavity (42) is parallel to the length direction of the insertion groove (41), the sliding cavity (42) is located above the channel (12), the connecting boss (4) is provided with a second sealing plate (46) connected with the sliding cavity (42) in a sliding mode, a second elastic piece which normally forces one end of the second sealing plate (46) to abut against the inner wall of the channel (12) so as to seal the channel (12) is arranged in the sliding cavity (42), and a linkage piece is arranged between the first sealing plate (43) and the second sealing plate (46) so as to force the first sealing plate (43) and the second sealing plate (46) to slide towards opposite directions.
8. The fabricated underground box culvert in the form of a laminated slab of claim 7, wherein: the linkage piece is a connecting rope (48), one end of the connecting rope (48) is fixedly connected to the outer end face, far away from the channel (12), of the second sealing plate (46), and the other end of the connecting rope (48) penetrates through the connecting boss (4) and is fixedly connected to the first sealing plate (43).
9. An assembled underground box culvert in the form of a laminated slab as claimed in claim 3, wherein: the prefabricated unit box culvert bodies (10) are provided with a plurality of prefabricated unit box culvert bodies, and two adjacent prefabricated unit box culvert bodies (10) are spliced into a whole through a fixing assembly.
10. An assembled underground box culvert in the form of a laminated slab as claimed in claim 9, wherein: the coaxial fixedly connected with in one end of accommodate the lead screw (531) is located outside drive block (6) of roof (3)/bottom plate (1), the transversal polygon setting of personally submitting of drive block (6), roof (3)/bottom plate (1) is kept away from drive block (6) opposite side and is offered drive block (6) that supply roof (3)/bottom plate (1) on the adjacent prefabricated unit box culvert body (10) and inserts connecting hole (7) of establishing, and the cross section correspondence of connecting hole (7) is the polygon setting, and spacing hole (61) have been seted up along its radial to the perisporium of drive block (6), fixing assembly is that the fixing bolt (8) of bottom plate (1)/roof (3) are worn to locate for the screw thread, and the tip of fixing bolt (8) is inserted and is located spacing hole (61).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210718920.1A CN115045208B (en) | 2022-06-23 | 2022-06-23 | Assembled underground box culvert of superimposed sheet form |
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| CN202210718920.1A CN115045208B (en) | 2022-06-23 | 2022-06-23 | Assembled underground box culvert of superimposed sheet form |
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| CN115045208B CN115045208B (en) | 2023-03-28 |
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| CN115045208B (en) | 2023-03-28 |
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