CN112080975A - Municipal road assembling unit and construction method thereof - Google Patents
Municipal road assembling unit and construction method thereof Download PDFInfo
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- CN112080975A CN112080975A CN202011061691.8A CN202011061691A CN112080975A CN 112080975 A CN112080975 A CN 112080975A CN 202011061691 A CN202011061691 A CN 202011061691A CN 112080975 A CN112080975 A CN 112080975A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The application relates to a municipal road assembly unit and a construction method thereof, and the municipal road assembly unit comprises prefabricated plates and a connecting assembly for connecting two adjacent prefabricated plates, wherein one side surface of each prefabricated plate along the length direction of the prefabricated plate is provided with an upper inclined surface, and the other side surface of each prefabricated plate is provided with a lower inclined surface parallel to the upper inclined surface; the connecting assembly comprises a first embedded part, a second embedded part and a connecting screw rod, one end of the connecting screw rod is connected with the second embedded part, the other end of the connecting screw rod is sleeved with a connecting nut, and the connecting nut is connected with the first embedded part in a sliding mode along the thickness direction of the prefabricated plate; when the connecting screw rod rotates, the connecting nut on the connecting screw rod drives the first embedded part to move along the direction of the second embedded part close to or far away from the adjacent prefabricated plate. According to the prefabricated slab, the prefabricated slab moves in the height direction while moving in the length direction of the road through the rotation of the connecting screw rod and the matching of the lower inclined plane on the prefabricated slab and the upper inclined plane of another prefabricated slab, namely, the height position is adjusted, and therefore the flatness of the road surface is ensured.
Description
Technical Field
The application relates to the field of municipal road construction, in particular to a municipal road assembling unit and a construction method thereof.
Background
With the rapid development of the economy of China, the living standard of people is continuously improved, the scale of urbanization construction is larger and larger, and the construction of urban roads is a very important construction content as the basis of urban construction and urban economy development.
However, the existing town road construction mainly has the following problems: firstly, the construction process is complex, the field inspection and control data are numerous, the construction quality is not easy to control, and the field workload is large in the current municipal road construction process; secondly, urban municipal road engineering construction projects are greatly influenced by natural conditions and construction site control parameters are variable due to long-term open-air operation, so that the construction quality is difficult to accurately control, standardization and industrial production are difficult, and the construction period is long.
To this end, chinese patent publication No. CN107034757A discloses a town road assembling unit and a method for constructing a prefabricated assembled road, wherein the town road assembling unit includes an assembling plate for paving a town road construction road surface in sections, a fastening component located on an assembling surface of the assembling plate for mutually assembling and fixing a plurality of assembled units, and an assembling adjusting portion arranged at a corresponding position on an upper surface of the assembling plate for axially adjusting the fastening component to assemble or replace the assembled units.
In view of the above-mentioned related technologies, the inventor believes that there is a drawback that it is difficult to ensure that the upper surfaces of different assembly units are flush with each other, which tends to result in poor surface flatness of a road surface composed of a plurality of assembly units.
Disclosure of Invention
In order to improve the surface flatness of a road surface, the application provides a municipal road assembling unit and a construction method thereof.
The application provides a municipal road assembling unit and a construction method thereof, which adopt the following technical scheme:
a municipal road splicing unit and a construction method thereof comprise precast slabs and a connecting assembly for connecting two adjacent precast slabs, wherein one side surface of each precast slab along the length direction of the precast slab is provided with an upper inclined surface, and the other side surface of each precast slab is provided with a lower inclined surface parallel to the upper inclined surface; the connecting assembly comprises a first embedded part, a second embedded part and a connecting screw rod, the first embedded part is embedded at the junction between the upper surface and the lower inclined surface of the prefabricated plate, the second embedded part is embedded at the junction between the upper surface and the upper inclined surface of the prefabricated plate, one end of the connecting screw rod is connected with the second embedded part, the other end of the connecting screw rod is sleeved with a connecting nut, and the connecting nut is connected with the first embedded part in a sliding manner along the thickness direction of the prefabricated plate; when the connecting screw rod rotates, the connecting nut on the connecting screw rod drives the first embedded part to move along the direction close to or far away from the second embedded part of the adjacent prefabricated plate; the precast slab is provided with a grouting hole and a grout outlet in a penetrating manner along the thickness direction of the precast slab.
By adopting the technical scheme, when the prefabricated slab is assembled, the upper inclined planes and the lower inclined planes of two adjacent prefabricated slabs are firstly ensured to be mutually overlapped, then the connecting screw rod is rotated, the prefabricated slab moves towards the other prefabricated slab through the connection of the connecting nut and one of the prefabricated slabs, in the moving process of the prefabricated slab, due to the matching of the lower inclined plane and the upper inclined plane of the other prefabricated slab, the prefabricated slab moves in the height direction while moving in the length direction of a road, namely the height of the prefabricated slab is gradually increased upwards, and the height of the prefabricated slab is determined according to the number of rotating turns of the connecting screw rod, so that the height of the prefabricated slab is finely adjusted, the upper surfaces of the two adjacent prefabricated slabs can be as flat as possible, and the flatness of the road surface is further improved; the bottom of the precast slab is grouted by taking grout outflow from the grout outlet as an observation phenomenon through the grouting hole, so that the generation of cavities is reduced, and the bearing capacity of the whole pavement is improved; and the first embedded part and the second embedded part are made of metal materials, so that the structural stability and the processing precision are high, and the adjustment precision of the connecting screw rod and the connection stability between the prefabricated plates can be greatly improved.
Optionally, the first embedded part and the second embedded part are fixedly connected through a connecting rod embedded in the precast slab; the first embedded part and the prefabricated slab are arranged in the same width, the upper surface of the first embedded part is flush with the upper surface of the prefabricated slab, and the side surface of the first embedded part is provided with a first inclined surface which is flush with the lower inclined surface of the prefabricated slab; the second embedded part and the prefabricated slab are arranged in the same width, the upper surface of the second embedded part is flush with the upper surface of the prefabricated slab, and the side surface of the second embedded part is arranged to be a second inclined surface which is flush with the upper inclined surface of the prefabricated slab.
By adopting the technical scheme, through setting the specific shapes of the first embedded part and the second embedded part, when the prefabricated plate is manufactured, the relative position between the first embedded part and the second embedded part can be adjusted and fixed by using a clamp, and then the first embedded part and the second embedded part are fixedly connected by welding the connecting rod, so that the position precision between the first embedded part and the second embedded part is ensured, then the prefabricated plate is manufactured by taking the upper surface, the first inclined plane and the second inclined plane of the first embedded part as reference surfaces, so that the position precision of the upper inclined plane and the lower inclined plane of the prefabricated plate is ensured, the prefabricated plate is conveniently assembled and adjusted, and the flatness of a road is improved.
Optionally, the first inclined plane is provided with a first U-shaped groove along the length direction of the precast slab, an upper opening of the first U-shaped groove penetrates through the upper surface of the first embedded part, and the groove width of the first U-shaped groove is smaller than the maximum outer diameter of the connecting nut; the upper surface of the first embedded part is provided with a sliding groove along the thickness direction of the prefabricated plate, and the sliding groove is communicated with the first U-shaped groove; the one end of connecting screw rod is located first U type inslot, coupling nut is located the inslot that slides, coupling nut's the relative wall in week side with the cell wall laminating in groove that slides, coupling nut with the groove that slides is followed prefabricated plate thickness direction slides and is connected.
By adopting the technical scheme, when the prefabricated plate is used, one end of the connecting screw rod is placed into the first U-shaped groove, the connecting nut on the connecting screw rod is clamped into the sliding groove, the connecting nut is connected with the sliding groove in a rotation stopping mode, and the maximum outer diameter of the connecting nut is larger than the groove width of the first U-shaped groove, so that when the connecting screw rod rotates, the connecting nut moves along the length direction of the connecting screw rod and drives the corresponding prefabricated plate to move along the length direction of the connecting screw rod, and the prefabricated plate moves up and down relative to the connecting nut under the guiding action of the lower inclined plane and the upper inclined plane and the sliding connection of the connecting nut and the sliding groove, so that the height position of the prefabricated plate is finely adjusted.
Optionally, a driving piece is fixed at one end of the connecting screw rod, which is far away from the connecting nut; a second U-shaped groove is formed in the second inclined plane along the length direction of the precast slab, an upper opening of the second U-shaped groove penetrates through the upper surface of the second embedded part, and the groove width of the second U-shaped groove is smaller than the size of the driving piece; the upper surface of the second embedded part is provided with a driving groove along the thickness direction of the prefabricated plate, and the driving groove is communicated with the second U-shaped groove; one end of the connecting screw rod is located in the second U-shaped groove, and the driving piece is located in the driving groove.
By adopting the technical scheme, when the prefabricated plate height fine adjustment device is used, one end of the connecting screw rod is placed into the second U-shaped groove of one prefabricated plate along the thickness direction of the prefabricated plate, the driving piece on the connecting screw rod is ensured to be matched with the driving groove, meanwhile, the other end of the connecting screw rod is placed into the first U-shaped groove of the other prefabricated plate along the thickness direction of the prefabricated plate, the connecting nut on the connecting screw rod is determined to be matched with the sliding groove, and then the connecting screw rod is rotated through the driving piece, so that the height fine adjustment of the prefabricated plate; and through setting up the drive groove, the external instrument direct action of being convenient for is in the driving piece to be convenient for connecting screw's rotation adjustment, accelerate greatly and assemble the speed.
Optionally, the second inclined plane vertical fixation of second built-in fitting has the button head bolt, T type groove has been seted up along self incline direction to the first inclined plane of first built-in fitting, the one end in T type groove extends to the upper surface of first built-in fitting, the width of the narrow portion in T type groove with the bolt body diameter of button head bolt is unanimous, the width of the wide portion in T type groove with the button head diameter of button head bolt is unanimous.
By adopting the technical scheme, when the connecting screw rod rotates, the prefabricated plates move along the upper inclined planes of the adjacent prefabricated plates, the T-shaped groove on the prefabricated plate can be gradually matched with the round-head bolt on the second inclined plane on the adjacent prefabricated plate, when the upper surfaces of the prefabricated plates are level, the round-head bolt is completely clamped into the T-shaped groove, and the round-head bolt plays a limiting role at the moment, so that the two prefabricated plates are prevented from being separated along the length direction of a road, and the connecting stability between the two prefabricated plates is improved; the round-head bolt can be fixedly arranged on the second inclined surface, so that the mounting speed is increased; and the head of the round-head bolt is round, so that the situation that the groove wall of the T-shaped groove and the round head are in dislocation interference when the prefabricated plate moves can be reduced, namely, the stability of the prefabricated plate during moving is improved.
Optionally, the number of the second U-shaped grooves is two, and the two second U-shaped grooves are symmetrically arranged along the width direction of the precast slab; and a row of threaded holes are formed in the second inclined surface of the second embedded part, the threaded holes are matched with the round-head bolts, and the threaded holes are positioned on the symmetrical middle lines of the two second U-shaped grooves.
Through adopting above-mentioned technical scheme, through setting up two connecting screw, can improve the connection steadiness between the prefabricated plate greatly, and the accuracy of the high fine setting of prefabricated plate, but if two connecting screw rotate the number of turns and the inconsistent situation of speed, also can lead to the dislocation of prefabricated plate removal process to take place, the prefabricated plate removes and easily blocks to die promptly, consequently through setting up the button head bolt that is located the symmetry central line, judge the basis as correcting with the cooperation between button head bolt and the T type groove, when the button head bolt collides with a lateral wall in T type groove, can in time adjust one of them connecting bolt precession distance, thereby level two connecting bolt's adjustment progress, thereby improve prefabricated plate height adjustment's stability and accuracy.
Optionally, a wire casing is formed in a second inclined plane of the second embedded part along the width direction of the prefabricated plate, the wire casing is located on one side of the upper edge of the second inclined plane, and a colored paint is coated in the wire casing.
By adopting the technical scheme, when the prefabricated plate gradually moves upwards along the upper inclined plane, the second embedded part on the prefabricated plate gradually shields the colored paint, and when the prefabricated plate moves upwards to the position where the upper surface of the prefabricated plate is flush with the upper surface of the adjacent prefabricated plate, the colored paint is completely shielded; therefore, whether the upper surfaces of the two prefabricated panels are flush or not can be judged quickly and clearly by taking the colored paint as a striking reference.
A construction method of a municipal road splicing unit comprises the following steps:
s1, manufacturing a prefabricated plate;
s2, finishing the roadbed;
s3, hoisting, namely hoisting the prefabricated slabs to the surface of the roadbed in order, arranging the prefabricated slabs along the length direction of the road, and mutually lapping the two adjacent prefabricated slabs through the matching of the upper inclined plane and the lower inclined plane;
s4, splicing the precast slabs, which comprises the following steps:
s4.1, mounting a connecting screw rod, putting one end of the connecting screw rod into a second U-shaped groove of one prefabricated plate along the thickness direction of the prefabricated plate, ensuring that a driving piece on the connecting screw rod is matched with a driving groove, putting the other end of the connecting screw rod into a first U-shaped groove of the other prefabricated plate along the thickness direction of the prefabricated plate, and determining that a connecting nut on the connecting screw rod is matched with a sliding groove;
s4.2, installing an auxiliary tool;
s4.3, driving the connecting screw rod to rotate through an auxiliary tool and an electric tool which are matched with the driving piece, so that the first embedded part of each prefabricated plate is forced to be close to the second embedded part of the adjacent prefabricated plate, when the prefabricated plate moves, the prefabricated plate moves in the height direction while moving in the length direction of the road through the matching of the lower inclined plane on the prefabricated plate and the upper inclined plane of the other prefabricated plate, and stopping the rotation of the connecting screw rod when the prefabricated plate moves up and down to be flush with the upper surface of the adjacent prefabricated plate;
s4.4, grouting the grouting holes until grout is discharged from the grout outlet holes so as to fill up the cavities between the bottoms of the precast slabs and the upper surface of the roadbed;
s5, filling splicing seams, and filling concrete in the first U-shaped groove, the sliding groove, the second U-shaped groove and the driving groove.
By adopting the technical scheme, the assembly of the prefabricated slabs can be completed quickly, and the height of the prefabricated slabs is adjusted in the assembly process, so that the pavement evenness is ensured.
Optionally, the driving member is a first bevel gear coaxially fixed with the connecting screw; the auxiliary tool comprises a batten, an adapting block matched with the second U-shaped groove is integrally formed at one end of the batten, a groove matched with the peripheral wall of the upper part of the connecting screw is formed in the bottom surface of the adapting block in a concave mode, a section of connecting sheet extends downwards from two sides of the other end of the batten, and the maximum distance between the connecting sheets is equal to the width of the driving groove; the rotating rod is vertically arranged on the batten in a penetrating mode, the rotating rod is connected with the batten in a rotating mode around the axis of the rotating rod, a driving nut matched with the electric tool is fixed at the upper end of the rotating rod, and a second bevel gear matched with the first bevel gear is fixed at the lower end of the rotating rod.
By adopting the technical scheme, when the connecting screw rod needs to be rotated, the auxiliary tool is installed by matching the adaptive block with the second U-shaped groove, matching the connecting sheet with the driving groove and matching the second bevel gear with the first bevel gear, and then the rotating rod is driven to rotate by matching the electric tool with the driving nut, so that the connecting screw rod is driven to rotate through bevel gear transmission, and the auxiliary tool is convenient, rapid, labor-saving and efficient; and the lath is pressed, so that the limiting effect on the connecting screw rod can be achieved, namely, the connecting screw rod is prevented from being separated from the second U-shaped groove upwards due to the reaction force of the prefabricated plate, and the stability of the height adjustment of the prefabricated plate is improved.
Optionally, two symmetrically arranged balls are arranged on the side surface of the adapting block, and the balls abut against the end surface of the first bevel gear, which is far away from the center of the prefabricated plate.
Through adopting above-mentioned technical scheme, the frictional force when reducing first bevel gear and rotating to ensure connecting screw's rotation smooth and easy degree.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the connecting assembly is arranged to pull one of the prefabricated plates to move towards the other prefabricated plate, and the moving prefabricated plate gradually moves upwards through the matching of the lower inclined surface and the upper inclined surface during the moving process, so that the height position of the prefabricated plate is finely adjusted, the flatness of a pavement is further ensured, the first embedded part and the second embedded part are made of metal materials, the structural stability and the processing precision are high, and the adjusting precision of the connecting screw rod and the connecting stability between the prefabricated plates can be greatly improved;
2. by setting the specific shapes of the first embedded part and the second embedded part and taking the upper surface, the first inclined plane and the second inclined plane of the first embedded part as reference surfaces, the prefabricated slab is manufactured, and the dimensional accuracy of each prefabricated slab is high, so that the position accuracy of the upper inclined plane and the lower inclined plane of the prefabricated slab is ensured, the prefabricated slab is conveniently assembled and adjusted, and the flatness of a road is improved;
3. through the auxiliary fixtures who sets up driving piece and with driving piece looks adaptation, utilize auxiliary fixtures can realize connecting screw's fast rotation to prefabricated plate installation effectiveness has been improved greatly.
Drawings
FIG. 1 is a schematic view of the prefabricated panel of the present embodiment.
Fig. 2 is a schematic view of another perspective of the prefabricated panel of the present embodiment.
Fig. 3 is an exploded view of the present embodiment for embodying the connection relationship of two prefabricated panels.
Fig. 4 is a plan view showing the present embodiment in which the connecting screw is engaged with two prefabricated panels, respectively.
Fig. 5 is an exploded view for showing the connection relationship between the auxiliary tool and the second embedded part in the embodiment.
Fig. 6 is a partially enlarged view of a portion a in fig. 5.
Fig. 7 is a schematic structural view of the auxiliary tool of the present embodiment.
Description of reference numerals: 1. a first embedded part; 2. a second embedded part; 3. a connecting assembly; 4. auxiliary tools; 10. prefabricating a slab; 101. grouting holes; 102. a slurry outlet; 103. a lower inclined plane; 104. an upper inclined plane; 11. a first inclined plane; 12. a first U-shaped groove; 13. a sliding groove; 14. a T-shaped groove; 21. a second inclined plane; 22. a second U-shaped groove; 23. a drive slot; 24. a round head bolt; 25. a wire slot; 31. connecting a screw rod; 32. a connecting nut; 33. a drive member; 41. laths; 42. an adaptation block; 43. connecting sheets; 44. a drive nut; 45. a rotating rod; 46. a second bevel gear; 47. a ball bearing; 48. and a spacing ring sleeve.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses unit is assembled to town road. Referring to fig. 1 and 2, the town road assembling unit includes prefabricated panels 10 and a coupling assembly 3 for coupling the two prefabricated panels 10 (see fig. 3); one side surface of the prefabricated slab 10 along the length direction of the prefabricated slab is provided with an upper inclined surface 104, the other side surface of the prefabricated slab 10 is provided with a lower inclined surface 103 parallel to the upper inclined surface 104, and the prefabricated slab 10 penetrates through a grouting hole 101 and a grout outlet 102 along the thickness direction of the prefabricated slab.
As shown in fig. 2, the connecting assembly 3 includes a first embedded part 1, a second embedded part 2 and two connecting screws 31, wherein the first embedded part 1 and the second embedded part 2 are preferably made of metal, the processing precision is high, the first embedded part 1 and the second embedded part 2 are both arranged at the same width as the prefabricated slab 10, and the first embedded part 1 and the second embedded part 2 are fixedly connected through connecting rods (not shown) embedded in the prefabricated slab 10.
As shown in fig. 2, a first embedded part 1 is embedded at a boundary between the upper surface and the lower inclined surface 103 of the precast slab 10, the upper surface of the first embedded part 1 is flush with the upper surface of the precast slab 10, and a side surface of the first embedded part 1 is set as a first inclined surface 11 flush with the lower inclined surface 103 of the precast slab 10; the first inclined plane 11 is provided with two first U-shaped grooves 12 along the length direction of the precast slab 10, the two first U-shaped grooves 12 are symmetrically arranged along the width direction of the precast slab 10, and the upper openings of the first U-shaped grooves 12 penetrate through the upper surfaces of the first embedded parts 1; the upper surface of the first embedded part 1 is provided with a sliding groove 13 corresponding to the first U-shaped groove 12 along the thickness direction of the prefabricated plate 10, the sliding groove 13 is positioned in the middle of the first U-shaped groove 12 in the opening direction, the sliding groove 13 is communicated with the first U-shaped groove 12, and the groove width of the sliding groove 13 is larger than that of the first U-shaped groove 12.
As shown in fig. 1, the second embedded part 2 is embedded at the boundary between the upper surface of the precast slab 10 and the upper inclined plane 104, the upper surface of the second embedded part 2 is flush with the upper surface of the precast slab 10, and the side surface of the second embedded part 2 is set as a second inclined plane 21 flush with the upper inclined plane 104 of the precast slab 10; the second inclined plane 21 is provided with two second U-shaped grooves 22 along the length direction of the precast slab 10, the two second U-shaped grooves 22 are symmetrically arranged along the width direction of the precast slab 10, and the upper openings of the second U-shaped grooves 22 penetrate through the upper surfaces of the second embedded parts 2; the upper surface of the second embedded part 2 is provided with a driving groove 23 corresponding to the second U-shaped groove 22 along the thickness direction of the precast slab 10, the driving groove 23 is communicated with one side of the second U-shaped groove 22 close to the center of the precast slab 10, and the width of the driving groove 23 is larger than that of the second U-shaped groove 22.
As shown in fig. 3, a driving member 33 is fixed to one end of the connecting screw 31, the driving member 33 is larger than the groove width of the second U-shaped groove 22, a connecting nut 32 is screwed to the other end, and the distance between the circumferentially opposite walls of the connecting nut 32 is equal to the groove width of the slide groove 13.
When in use, firstly, the upper inclined plane 104 and the lower inclined plane 103 of two adjacent prefabricated plates 10 are ensured to be mutually overlapped, as shown in FIG. 4, one end of the connecting screw rod 31 is placed into the second U-shaped groove 22 of one of the prefabricated plates 10 along the thickness direction of the prefabricated plate 10, and the driving piece 33 on the connecting screw rod is ensured to be matched with the driving groove 23; meanwhile, the other end of the connecting screw 31 is placed into the first U-shaped groove 12 of another prefabricated slab 10 along the thickness direction of the prefabricated slab 10, and the connecting nut 32 on the connecting screw is determined to be matched with the sliding groove 13, namely, the opposite wall of the peripheral side of the connecting nut 32 is attached to the groove wall of the sliding groove 13, and the connecting nut 32 can slide relative to the sliding groove 13 along the thickness direction of the prefabricated slab 10; the driving member 33, which may be a nut or a gear, extends into the driving groove 23 by an external tool to screw the driving member 33, so that the connecting screw 31 rotates, the connecting nut 32 moves along the length direction of the connecting screw 31, and drives the corresponding prefabricated panel 10 to move along the length direction of the connecting screw 31, and due to the guiding action of the lower inclined plane 103 and the upper inclined plane 104 and the sliding connection of the connecting nut 32 and the sliding groove 13, the prefabricated panel 10 moves up and down relative to the connecting nut 32 when being guided, so that the height position of the prefabricated panel 10 is finely adjusted to be flush with the upper surface of the adjacent prefabricated panel 10, thereby ensuring the road flatness.
In order to further improve the connection stability between the prefabricated plates 10, as shown in fig. 3, a row of threaded holes are formed in the second inclined surface 21 of the second embedded part 2, the threaded holes are located on the symmetrical middle lines of the two second U-shaped grooves 22, the threaded holes are in threaded connection with round-head bolts 24, and the round-head bolts 24 are perpendicular to the second inclined surface 21; t type groove 14 has been seted up along self incline direction to first inclined plane 11 of first built-in fitting 1, and the one end of T type groove 14 extends to run through to the upper surface of first built-in fitting 1, and the width of the narrow portion of T type groove 14 is unanimous with the bolt body diameter of button head bolt 24, and the width of the wide portion of T type groove 14 is unanimous with the button head diameter of button head bolt 24.
When the prefabricated panels 10 move along the upper inclined surfaces 104 of the adjacent prefabricated panels 10, the T-shaped grooves 14 on the prefabricated panels 10 are gradually matched with the round-head bolts 24 on the second inclined surfaces 21 on the adjacent prefabricated panels 10, when the upper surfaces of the prefabricated panels 10 are level, the round-head bolts 24 are completely clamped in the T-shaped grooves 14, and at the moment, the round-head bolts 24 play a limiting role to prevent the two prefabricated panels 10 from being separated along the length direction of a road, so that the connection stability between the two prefabricated panels 10 is improved; and the round-head bolts 24 are positioned on the symmetrical middle lines of the two connecting screw rods 31, so when the rotating speeds of the two connecting screw rods 31 are inconsistent (the moving distances of the two connecting nuts 32 are inconsistent), the round-head bolts 24 and the T-shaped groove 14 can be matched as a correction judgment basis, when the round-head bolts 24 collide with one side wall of the T-shaped groove 14, the screwing distance of one connecting bolt can be adjusted in time, the adjusting progress of the two connecting bolts is leveled, and the stability and the accuracy of the height adjustment of the prefabricated plate 10 are improved.
Furthermore, a wire groove 25 is formed in the second inclined surface 21 of the second embedded part 2 along the width direction of the prefabricated plate 10, the wire groove 25 is located on one side of the upper edge of the second inclined surface 21, and a colored paint is coated in the wire groove 25 and can also be a colored reflective paint; the upper surfaces of the two prefabricated panels 10 are flush with each other when the colored paint is completely blocked by the reference colored paint.
The embodiment of the application also discloses a construction method of the municipal road assembly unit, which comprises the following steps:
s1, manufacturing the precast slab 10, which comprises the following steps:
s1.1, adjusting the relative position between the first embedded part 1 and the second embedded part 2, fixing by using a clamp, and then fixedly connecting the first embedded part 1 and the second embedded part 2 by welding a connecting rod.
S1.2, constructing a steel reinforcement framework, and welding and fixing the connecting rod and the steel reinforcement framework.
S1.3, placing the steel reinforcement framework into a formwork, and positioning through the matching of the reference surface and the inner wall of the formwork by taking the upper surface of the first embedded part 1, the first inclined surface 11 and the second inclined surface 21 as the reference surface.
S1.4, pouring concrete on the template.
S1.5, demolding to obtain the prefabricated plate 10.
And S2, finishing the roadbed.
S3, hoisting, namely orderly hoisting the prefabricated slab 10 to the surface of the roadbed, arranging the prefabricated slab along the length direction of the road, polishing and finishing the upper inclined plane 104 and the lower inclined plane 103 of the prefabricated slab 10 by using 800-1000 mother sand paper, and retaining some polishing debris; after finishing the grinding, the two adjacent prefabricated panels 10 are mutually overlapped through the matching of the upper inclined plane 104 and the lower inclined plane 103.
S4, splicing the prefabricated plate 10, which comprises the following steps:
s4.1, installing a connecting screw rod 31, placing one end of the connecting screw rod 31 into the second U-shaped groove 22 of one prefabricated plate 10 along the thickness direction of the prefabricated plate 10, ensuring that a driving piece 33 on the connecting screw rod is matched with the driving groove 23, simultaneously placing the other end of the connecting screw rod 31 into the first U-shaped groove 12 of the other prefabricated plate 10 along the thickness direction of the prefabricated plate 10, and determining that a connecting nut 32 on the connecting screw rod is matched with the sliding groove 13.
S4.2, installing an auxiliary tool 4, wherein as shown in fig. 5 and 6, the auxiliary tool 4 comprises a batten 41, an adapting block 42 adapted to the second U-shaped groove 22 is integrally formed at one end of the batten 41, a groove adapted to the upper peripheral wall of the connecting screw 31 is formed in a concave manner at the bottom surface of the adapting block 42, a section of connecting sheet 43 extends downwards from two sides of the other end of the batten 41, the maximum distance between the connecting sheets 43 is equal to the groove width of the driving groove 23, and the connecting sheet 43 is inserted into the driving groove 23; as shown in fig. 7, a rotating rod 45 vertically penetrates through the slat 41, the rotating rod 45 is rotatably connected with the slat 41 around the axis thereof, a driving nut 44 is fixed at the upper end of the rotating rod 45, the driving member 33 is a first bevel gear coaxially fixed with the connecting screw 31, and a second bevel gear 46 matched with the first bevel gear is fixed at the lower end of the rotating rod 45; two symmetrically arranged balls 47 are arranged on the side surface of the adapting block 42, a semispherical groove (not marked in the figure) is arranged on the side surface of the adapting block 42, the balls 47 are arranged in the semispherical groove, and a limit ring sleeve 48 is fixed on the notch of the semispherical groove through a rivet so as to prevent the balls 47 from separating from the semispherical groove; when the adapter block 42 is installed in the second U-shaped groove 22, the ball 47 abuts against the end surface of the first bevel gear away from the center of the prefabricated panel 10.
S4.3, continuously pressing the lath 41, then utilizing an electric wrench, enabling a power end of the electric wrench to vertically downwards match with a driving nut 44, starting the electric wrench to enable a rotating rod 45 to rotate, and driving a connecting screw rod 31 to rotate through the meshing of a second bevel gear 46 and a first bevel gear, so as to force a first embedded part 1 of a prefabricated plate 10 to be close to a second embedded part 2 of an adjacent prefabricated plate 10, when the prefabricated plate 10 moves, through the matching of a lower inclined plane 103 on the prefabricated plate 10 and an upper inclined plane 104 of another prefabricated plate 10, the prefabricated plate 10 moves along the length direction of the road and also moves in height, and when the prefabricated plate 10 moves up and down to be level with the upper surface of the adjacent prefabricated plate 10, stopping the rotation of the connecting screw rod.
And S4.4, grouting into the grouting holes 101 until grout is discharged from the grout outlet holes 102 to fill up the hollow space between the slab bottom of the precast slab 10 and the upper surface of the roadbed.
And S5, filling the splicing seams, and filling concrete into the first U-shaped groove 12, the sliding groove 13, the second U-shaped groove 22 and the driving groove 23.
The implementation principle of the embodiment of the application is as follows: by arranging the connecting assembly 3 to pull one of the prefabricated panels 10 to move towards the other prefabricated panel 10, the moving prefabricated panel 10 is gradually moved upwards by the cooperation of the lower inclined plane 103 and the upper inclined plane 104, so as to finely adjust the height position thereof, thereby ensuring the flatness of the road surface.
Through electric tool and drive nut 44's cooperation, drive bull stick 45 and rotate to through the bevel gear transmission, drive connecting screw 31 and rotate, convenient and fast, laborsaving high efficiency.
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. A unit is assembled to town road which characterized in that: the prefabricated plate connecting structure comprises prefabricated plates (10) and a connecting assembly (3) used for connecting two adjacent prefabricated plates (10), wherein one side surface of each prefabricated plate (10) along the length direction of the prefabricated plate is provided with an upper inclined surface (104), and the other side surface of each prefabricated plate is provided with a lower inclined surface (103) parallel to the upper inclined surface (104); the connecting assembly (3) comprises a first embedded part (1), a second embedded part (2) and a connecting screw rod (31), the first embedded part (1) is embedded at the junction between the upper surface and the lower inclined plane (103) of the prefabricated plate (10), the second embedded part (2) is embedded at the junction between the upper surface and the upper inclined plane (104) of the prefabricated plate (10), one end of the connecting screw rod (31) is connected with the second embedded part (2), the other end of the connecting screw rod (31) is sleeved with a connecting nut (32), and the connecting nut (32) is connected with the first embedded part (1) in a sliding manner along the thickness direction of the prefabricated plate (10); when the connecting screw rod (31) rotates, the connecting nut (32) on the connecting screw rod drives the first embedded part (1) to move along the direction of a second embedded part (2) close to or far away from the adjacent precast slab (10); the precast slab (10) is provided with a grouting hole (101) and a grout outlet (102) in a penetrating manner along the thickness direction of the precast slab.
2. The town road building unit of claim 1, wherein: the first embedded part (1) and the second embedded part (2) are fixedly connected through a connecting rod pre-embedded in the precast slab (10); the first embedded part (1) and the precast slab (10) are arranged in the same width, the upper surface of the first embedded part (1) is flush with the upper surface of the precast slab (10), and the side surface of the first embedded part (1) is provided with a first inclined surface (11) which is flush with the lower inclined surface (103) of the precast slab (10); the second embedded part (2) and the prefabricated plate (10) are arranged in the same width mode, the upper surface of the second embedded part (2) is flush with the upper surface of the prefabricated plate (10), and the side face of the second embedded part (2) is provided with a second inclined face (21) which is flush with the upper inclined face (104) of the prefabricated plate (10).
3. The town road building unit of claim 2, wherein: the first inclined plane (11) is provided with a first U-shaped groove (12) along the length direction of the precast slab (10), an upper opening of the first U-shaped groove (12) penetrates through the upper surface of the first embedded part (1), and the groove width of the first U-shaped groove (12) is smaller than the maximum outer diameter of the connecting nut (32); the upper surface of the first embedded part (1) is provided with a sliding groove (13) along the thickness direction of the precast slab (10), and the sliding groove (13) is communicated with the first U-shaped groove (12); one end of the connecting screw rod (31) is located in the first U-shaped groove (12), the connecting nut (32) is located in the sliding groove (13), the opposite wall of the peripheral side of the connecting nut (32) is attached to the groove wall of the sliding groove (13), and the connecting nut (32) is connected with the sliding groove (13) in a sliding mode along the thickness direction of the prefabricated plate (10).
4. The town road assembly unit of claim 3, wherein: a driving piece (33) is fixed at one end of the connecting screw rod (31) far away from the connecting nut (32); a second U-shaped groove (22) is formed in the second inclined surface (21) along the length direction of the precast slab (10), an upper opening of the second U-shaped groove (22) penetrates through the upper surface of the second embedded part (2), and the groove width of the second U-shaped groove (22) is smaller than the size of the driving part (33); the upper surface of the second embedded part (2) is provided with a driving groove (23) along the thickness direction of the precast slab (10), and the driving groove (23) is communicated with the second U-shaped groove (22); one end of the connecting screw rod (31) is positioned in the second U-shaped groove (22), and the driving piece (33) is positioned in the driving groove (23).
5. The town road building unit of claim 4, wherein: second inclined plane (21) of second built-in fitting (2) is fixed with button head bolt (24) perpendicularly, T type groove (14) have been seted up along self incline direction in first inclined plane (11) of first built-in fitting (1), the one end in T type groove (14) extends to the upper surface of first built-in fitting (1), the width of the narrow portion in T type groove (14) with the bolt body diameter of button head bolt (24) is unanimous, the width of the wide portion in T type groove (14) with the button head diameter of button head bolt (24) is unanimous.
6. The town road building unit of claim 5, wherein: the number of the second U-shaped grooves (22) is two, and the two second U-shaped grooves (22) are symmetrically arranged along the width direction of the precast slab (10); a row of threaded holes are formed in a second inclined surface (21) of the second embedded part (2), the threaded holes are matched with the round-head bolts (24), and the threaded holes are located on symmetrical middle lines of the two second U-shaped grooves (22).
7. The town road building unit of claim 2, wherein: the second inclined plane (21) of the second embedded part (2) is provided with a wire groove (25) along the width direction of the prefabricated plate (10), the wire groove (25) is located on one side of the upper edge of the second inclined plane (21), and colored paint is coated in the wire groove (25).
8. A method of constructing a municipal road construction unit according to any one of claims 4 to 6, wherein: the method comprises the following steps:
s1, manufacturing a prefabricated plate (10);
s2, finishing the roadbed;
s3, hoisting, namely hoisting the prefabricated slabs (10) to the surface of the roadbed in order, arranging the prefabricated slabs along the length direction of the road, and mutually lapping the two adjacent prefabricated slabs (10) through the matching of the upper inclined plane (104) and the lower inclined plane (103);
s4, splicing the prefabricated plate (10), comprising the following steps:
s4.1, installing a connecting screw rod (31), placing one end of the connecting screw rod (31) into a second U-shaped groove (22) of one prefabricated plate (10) along the thickness direction of the prefabricated plate (10), ensuring that a driving piece (33) on the connecting screw rod is matched with a driving groove (23), simultaneously placing the other end of the connecting screw rod (31) into a first U-shaped groove (12) of the other prefabricated plate (10) along the thickness direction of the prefabricated plate (10), and determining that a connecting nut (32) on the connecting screw rod is matched with a sliding groove (13);
s4.2, installing an auxiliary tool (4);
s4.3, driving the connecting screw rod (31) to rotate through the auxiliary tool (4) and the electric tool which are matched with the driving piece (33), forcing the first embedded part (1) of the prefabricated plate (10) to be close to the second embedded part (2) of the adjacent prefabricated plate (10), when the prefabricated plate (10) moves, through the matching of the lower inclined plane (103) on the prefabricated plate and the upper inclined plane (104) of the other prefabricated plate (10), the prefabricated plate (10) moves in the height direction while moving in the length direction of the road, and stopping the rotation of the connecting screw rod (31) when the prefabricated plate (10) moves up and down to be level with the upper surface of the adjacent prefabricated plate (10);
s4.4, grouting the grouting holes (101) until grout is discharged from the grout outlet holes (102) so as to fill the cavities between the bottoms of the precast slabs (10) and the upper surface of the roadbed;
s5, filling splicing seams, and filling concrete into the first U-shaped groove (12), the sliding groove (13), the second U-shaped groove (22) and the driving groove (23).
9. The method of constructing a municipal road assembly unit according to claim 8, wherein: the driving piece (33) is a first bevel gear coaxially fixed with the connecting screw rod (31); the auxiliary tool (4) comprises a strip plate (41), an adapting block (42) matched with the second U-shaped groove (22) is integrally formed at one end of the strip plate (41), a groove matched with the peripheral wall of the upper part of the connecting screw rod (31) is formed in the bottom surface of the adapting block (42) in a concave mode, a section of connecting sheet (43) extends downwards from two sides of the other end of the strip plate (41), and the maximum distance between the connecting sheets (43) is equal to the groove width of the driving groove (23); the rotating rod (45) is vertically arranged in the lath (41) in a penetrating mode, the rotating rod (45) is connected with the lath (41) in a rotating mode around the axis of the rotating rod, a driving nut (44) matched with the electric tool is fixed to the upper end of the rotating rod (45), and a second bevel gear (46) matched with the first bevel gear is fixed to the lower end of the rotating rod (45).
10. The construction method of the town road assembling unit according to claim 9, wherein: two symmetrically arranged balls (47) are arranged on the side face of the adapting block (42), and the balls (47) are abutted to the end face of the first bevel gear far away from the center of the precast slab (10).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047131A (en) * | 2021-03-18 | 2021-06-29 | 山西四建集团有限公司 | Embossed pavement construction method and embossing device |
| CN113215887A (en) * | 2021-05-10 | 2021-08-06 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated lean concrete base plate unit convenient to hoist and manufacturing method thereof |
| CN113931028A (en) * | 2021-11-17 | 2022-01-14 | 武汉市市政建设集团有限公司 | Detachable connecting piece for assembled road surface and road surface board connecting method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2314463A1 (en) * | 1973-03-23 | 1975-02-13 | Winfried Staudenmayer | Connected insulated ground plates - have common supporting feet at adjacent plate corners joined by screw and fitting in groove |
| KR101313415B1 (en) * | 2012-06-07 | 2013-10-01 | 정재은 | Support profile for a device to fasten an element |
| CN206376164U (en) * | 2016-12-02 | 2017-08-04 | 北京城乡建设集团有限责任公司 | A kind of quick assembled type prefabricated reinforced concrete road surface |
| CN107034757A (en) * | 2017-06-02 | 2017-08-11 | 中国航发南方工业有限公司 | The method of construction of town road assembled rigid unit and precast assembly road |
| CN107974891A (en) * | 2017-10-18 | 2018-05-01 | 深圳市东深工程有限公司 | A kind of town road assembled rigid unit and its construction method |
| CN108222292A (en) * | 2018-03-17 | 2018-06-29 | 福州大学 | Detachable connection structure and its installation method between prefabricated board |
| CN111206691A (en) * | 2018-11-21 | 2020-05-29 | 天颂建设集团有限公司 | Connection structure for assembly type building |
-
2020
- 2020-09-30 CN CN202011061691.8A patent/CN112080975B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2314463A1 (en) * | 1973-03-23 | 1975-02-13 | Winfried Staudenmayer | Connected insulated ground plates - have common supporting feet at adjacent plate corners joined by screw and fitting in groove |
| KR101313415B1 (en) * | 2012-06-07 | 2013-10-01 | 정재은 | Support profile for a device to fasten an element |
| CN206376164U (en) * | 2016-12-02 | 2017-08-04 | 北京城乡建设集团有限责任公司 | A kind of quick assembled type prefabricated reinforced concrete road surface |
| CN107034757A (en) * | 2017-06-02 | 2017-08-11 | 中国航发南方工业有限公司 | The method of construction of town road assembled rigid unit and precast assembly road |
| CN107974891A (en) * | 2017-10-18 | 2018-05-01 | 深圳市东深工程有限公司 | A kind of town road assembled rigid unit and its construction method |
| CN108222292A (en) * | 2018-03-17 | 2018-06-29 | 福州大学 | Detachable connection structure and its installation method between prefabricated board |
| CN111206691A (en) * | 2018-11-21 | 2020-05-29 | 天颂建设集团有限公司 | Connection structure for assembly type building |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047131A (en) * | 2021-03-18 | 2021-06-29 | 山西四建集团有限公司 | Embossed pavement construction method and embossing device |
| CN113215887A (en) * | 2021-05-10 | 2021-08-06 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated lean concrete base plate unit convenient to hoist and manufacturing method thereof |
| CN113931028A (en) * | 2021-11-17 | 2022-01-14 | 武汉市市政建设集团有限公司 | Detachable connecting piece for assembled road surface and road surface board connecting method |
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