CN218667625U - Prefabricated equipment supporting beam of fast assembly formula - Google Patents

Abstract

The utility model relates to an electrical equipment base discloses a prefabricated equipment supporting beam of fast assembly formula, and it includes prefabricated basis and precast beam, still including fixing the bolt of prefabricated basis up end edge and setting up the grout hole on the terminal surface under the tip of precast beam, the bolt is vertical upwards set up and threaded connection has adjusting nut on the bolt, be equipped with on the terminal surface of precast beam with the grout hole intercommunication go out the grout hole with advance the grout hole, the bolt inserts in the grout hole and adjusting nut is under the precast beam between terminal surface and the prefabricated basis up end when the precast beam is installed on prefabricated basis. The utility model discloses under the prerequisite that has sufficient intensity when guaranteeing the construction of prefabricated equipment supporting beam, can also realize the accurate quick location of precast beam installation on prefabricated basis, realize the fast assembly of precast beam on prefabricated basis, effectively shorten whole time limit for a project, can adjust precast beam tip level simultaneously, guarantee that upper portion equipment steadily takes one's place on the precast beam.

Description

Prefabricated equipment supporting beam of fast assembly formula

Technical Field

The utility model relates to an electrical equipment base has especially related to a prefabricated equipment supporting beam and construction method thereof.

Background

In the construction of the novel modular transformer substation, the electrical equipment base is of a reinforced concrete frame structure, and the main components are independent foundations and foundation beams and are constructed in a factory prefabrication and field installation mode. And (4) prefabricating the independent foundation and the prefabricated beam, and hoisting all the independent foundation and the prefabricated beam by using a crane. The upper part of the independent foundation is a short column, and the precast beam is connected with the short column of the foundation.

In the traditional method, two ends of a prefabricated beam are arranged on a short foundation column at the upper part of a prefabricated foundation, after concrete is poured into a beam column node, upper equipment can be arranged after the curing strength of the concrete reaches the design strength, and the scheme cannot meet the aim of shortening the construction period of a prefabricated part.

In addition, the traditional equipment supporting beam cannot be horizontally adjusted, and when the processing precision deviation and the installation precision deviation of the prefabricated foundation and the prefabricated beam result in the integral horizontal height difference at the top of each prefabricated beam of the equipment base, the upper equipment cannot be directly and stably placed on the prefabricated beam.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prefabricated equipment supporting beam and construction method to the problem that prefabricated equipment supporting beam exists among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a quick assembly type prefabricated equipment support beam comprises a prefabricated foundation and a prefabricated beam, wherein the end part of the prefabricated beam is installed on the prefabricated foundation, short column steel bars vertically and upwards extending out of the upper end face of the prefabricated foundation are arranged in the middle of the prefabricated foundation, prefabricated beam steel bars penetrating through the prefabricated beam are arranged on the prefabricated beam along the length direction of the prefabricated beam, and the prefabricated beam steel bars and the short column steel bars are vertically and alternately arranged when the prefabricated beam is installed on the prefabricated foundation;

still including setting up connecting elements one on prefabricated basis and the connecting elements two of setting on the precast beam, connecting elements one is including fixing the bolt in precast basis up end edge, the vertical upwards setting of bolt and threaded connection have adjusting nut on the bolt, connecting elements two is including setting up the grout hole on the tip lower terminal surface of precast beam, be equipped with on the terminal surface of precast beam with the grout hole intercommunication go out the grout hole and advance the grout hole, the bolt inserts in the grout hole and adjusting nut is under the precast beam between terminal surface and the precast basis up end when the precast beam is installed on precast basis.

Preferably, the prefabricated foundation comprises a foundation short column and a bracket column arranged on the outer side of the foundation short column, the height of the bracket column is lower than that of the foundation short column, a bolt is fixed on the upper end face of the bracket column, and short column steel bars are arranged on the upper end face of the foundation short column.

Preferably, the precast beam comprises a precast beam and a precast longitudinal beam, the end parts of the short column reinforcing steel bars and the precast beam reinforcing steel bars on the precast beam are respectively provided with a reinforcing steel bar anchoring plate, the reinforcing steel bar anchoring plate comprises an outer hexagon nut and a base plate which is integrally formed with the outer hexagon nut, and the reinforcing steel bar anchoring plate is connected with the short column reinforcing steel bars or the precast beam reinforcing steel bars through the inner threads of the outer hexagon nut. The reinforcing bar anchor is compared in traditional curved muscle anchor, has better anchor performance, can solve curved muscle anchor simultaneously and block up and the unable installation problem of precast beam that leads to.

As preferred, short column reinforcing bar is connected in the reservation reinforcing bar tip and with the coaxial setting reinforcing bar anchor pole of reservation reinforcing bar including being fixed in on the short column of basis and stretching out the reservation reinforcing bar and detachable of short column up end of basis, and the reinforcing bar anchor board is connected in the tip of keeping away from the reservation reinforcing bar of reinforcing bar anchor pole. The reinforcing bar anchor rod can be dismantled with the reservation reinforcing bar and be connected, can avoid short column reinforcing bar to produce the installation of precast beam and interfere.

Preferably, the steel bar anchoring rod comprises an anchor rod, one end of the anchor rod is in threaded connection with a first threaded sleeve, the anchor rod is installed on the short column steel bar through the first threaded sleeve, and the other end of the anchor rod is used for installing a steel bar anchoring plate. The steel bar anchoring rod can avoid the influence on the structural strength of the node caused by insufficient length of the reserved steel bars on the foundation short column.

Preferably, a grouting sleeve with an opening at the lower end is embedded in the precast beam, a grouting hole is formed in the grouting sleeve, a slurry outlet pipe and a slurry inlet pipe which are vertically arranged and communicated with the inside of the grouting sleeve are connected to the side wall of the grouting sleeve, and the end parts, far away from the grouting sleeve, of the slurry outlet pipe and the slurry inlet pipe extend out of the end face of the precast beam and are constructed into the slurry outlet hole and the slurry inlet hole. Make before the node concreting through the grout processing, this junction can reach the structural strength of preferred, and grout sleeve's setting can realize avoiding mutual drying and puckery influence result of use to the separation between grout material and the concrete.

Preferably, the lower end face of the precast beam is provided with a perforated steel plate, the lower end face of the perforated steel plate is flush with the lower end face of the precast beam, a plurality of steel plate holes are formed in the perforated steel plate, each steel plate hole is correspondingly connected with a grouting sleeve, and the upper end face of the corbel column is provided with a plurality of bolts in one-to-one correspondence with the grouting sleeves. The setting of trompil steel sheet can make a plurality of grout muffjoint as an organic whole, guarantees that a plurality of grout sleeves are in on the same straight line to realize the accurate cooperation between a plurality of grout sleeves and a plurality of bolts, strengthen the connection stability and the position accuracy between precast beam and the prefabricated basis.

As preferred, the precast beam reinforcing bar is fixed with the counter-pulling reinforcing bar including being located precast beam direction of height middle part and distributing in the telescopic middle part precast beam reinforcing bar along precast beam width direction both sides of grout, on the precast beam reinforcing bar of middle part, the counter-pulling reinforcing bar distributes in the telescopic both sides along precast beam length direction of grout, the counter-pulling reinforcing bar with the telescopic limit portion that carries out spacingly to grout sleeve in the precast beam of middle part precast beam reinforcing bar constitution jointly. The cooperation to drawing reinforcing bar and precast beam reinforcing bar can realize spacing to grout sleeve in the precast beam, avoids because of the grout sleeve skew position that concrete deformation produced, and further follow-up grout sleeve can accurate positioning bolt, guarantees then that the precast beam is at the accurate location installation on prefabricated basis.

As preferred, be equipped with a plurality of and prefabricated crossbeam and prefabricated longeron one-to-one's bracket post on the prefabricated basis, the prefabricated girder reinforcing bar is including distributing in the upper and lower both ends of prefabricated crossbeam and prefabricated longeron along the direction of height and being in many tip prefabricated girder reinforcing bars that the interval set up on the same horizontal plane, and the tip prefabricated girder reinforcing bar crisscross arrangement on prefabricated crossbeam and the prefabricated longeron and the tip prefabricated girder reinforcing bar on the prefabricated crossbeam is in the tip prefabricated girder reinforcing bar below on the prefabricated longeron. The arrangement positions of the criss-cross reinforcing steel bars can realize that the quick hoisting of the precast beam on the precast foundation is not influenced on the premise that the connection node has enough structural strength.

Preferably, the prefabricated foundation comprises a corner foundation and a middle foundation, a prefabricated cross beam and a prefabricated longitudinal beam are arranged on the corner foundation, two prefabricated longitudinal beams which are arranged oppositely and a prefabricated cross beam which is perpendicular to the prefabricated longitudinal beams are arranged on the middle foundation, and the ends of the prefabricated beam steel bars on the two prefabricated longitudinal beams are aligned and connected through a threaded sleeve. The connection of the adjacent prefabricated longitudinal beam reinforcing steel bars at the opposite end parts of the prefabricated longitudinal beams is realized through the second threaded sleeve, the connection stability between the prefabricated longitudinal beams can be effectively enhanced, and meanwhile, the quick assembly of the prefabricated longitudinal beams can be guaranteed through the connection mode.

Preferably, the prefabricated foundation further comprises a foundation bearing platform, the foundation short column and the ox leg column are arranged on the foundation bearing platform, and the foundation bearing platform is further uniformly provided with lifting rings. The setting of rings can realize the stable hoist and mount to prefabricated basis.

Preferably, an equipment installation steel plate which is flush with the upper end face of the precast beam is pre-embedded in the upper end face of the precast beam. The equipment installation steel plate is arranged, so that the subsequent prefabricated cabin can be welded on the prefabricated beam, and the installation stability of the prefabricated cabin is ensured.

Preferably, the end surface of the precast beam is a concave-convex surface adopting a serrated racking structure. The structural form of the end face of the precast beam can further strengthen the structural strength of the connecting joint of the precast beam.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect:

the utility model discloses under the prerequisite that has sufficient intensity when guaranteeing the construction of prefabricated equipment supporting beam, can also realize the accurate quick location of precast beam installation on prefabricated basis, realize the fast assembly of precast beam on prefabricated basis, effectively shorten whole time limit for a project, can adjust precast beam tip level simultaneously, guarantee that upper portion equipment steadily takes one's place on the precast beam.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic view of a connection structure of the precast beam and the precast foundation of fig. 1.

Fig. 3 is a partial structural schematic view of fig. 2.

Fig. 4 is an enlarged view of a portion of the cross member of fig. 2.

Fig. 5 is a schematic view of the corner base of fig. 1.

Fig. 6 is a schematic structural view of the middle base of fig. 1.

Fig. 7 is a schematic view of the structure of the reinforcing bar anchoring bar of fig. 6.

Fig. 8 is the utility model discloses precast beam template structure sketch map.

Fig. 9 is a schematic structural view of a second connecting member in the precast beam.

Fig. 10 is a schematic view of the structure of the grout sleeve of fig. 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

A quick assembly type prefabricated equipment supporting beam is shown in figures 1-10 and comprises a prefabricated foundation 1 and prefabricated beams 2 with the ends installed on the prefabricated foundation 1, wherein the prefabricated beams 2 comprise prefabricated cross beams 14 and prefabricated longitudinal beams 15, and all the prefabricated cross beams 14 and the prefabricated longitudinal beams 15 can form a rectangular frame structure after being installed on the prefabricated foundation 1.

Wherein prefabricated basis 1 includes basic short column 12 and sets up in the bracket post 13 in the basic short column 12 outside, still includes basic cushion cap 34, and basic short column 12 and bracket post 13 all set up on basic cushion cap 34, still evenly are equipped with the rings 35 that are used for realizing prefabricated basis 1 hoist and mount on the basic cushion cap 34, and bracket post 13 highly is less than basic short column 12 height and basic cushion cap 34, basic short column 12 and bracket post 13 three integrated into one piece.

The prefabricated beam is characterized by further comprising a first connecting component 3 arranged on the prefabricated foundation 1 and a second connecting component 4 arranged on the prefabricated beam 2, wherein the first connecting component 3 comprises a bolt 5 fixed at the edge of the upper end face of the prefabricated foundation 1, the bolt 5 is vertically and upwards arranged, an adjusting nut 6 is in threaded connection with the bolt 5, the second connecting component 4 comprises a grouting hole 7 arranged on the lower end face of the end part of the prefabricated beam 2, a grouting hole 8 and a grouting hole 9 communicated with the grouting hole 7 are formed in the end face of the prefabricated beam 2, when the prefabricated beam 2 is installed on the prefabricated foundation 1, the bolt 5 is inserted into the grouting hole 7, and the adjusting nut 6 is located between the lower end face of the prefabricated beam 2 and the upper end face of the prefabricated foundation 1; the bolt 5 is fixed on the upper end surface of the cow leg column 13.

All set up the three screw thread that sets up side by side on every cow leg post 13 in this embodiment, set up three grout hole 7 that corresponds in precast beam 2, wherein grout hole 7's formation structure is as follows:

the grouting sleeve 23 with the lower end opening and the perforated steel plate 26 located on the lower end face of the precast beam 2 are pre-buried in the precast beam 2, a grouting hole 7 is formed inside the grouting sleeve 23, a grout outlet pipe 24 and a grout inlet pipe 25 which are arranged up and down and communicated with the inside of the grouting sleeve 23 are connected to the side wall of the grouting sleeve 23, and the end parts, far away from the grouting sleeve 23, of the grout outlet pipe 24 and the grout inlet pipe 25 extend out of the end face of the precast beam 2 and are constructed into a grout outlet hole 8 and a grout inlet hole 9.

The lower terminal surface of trompil steel sheet 26 flushes with precast beam 2's lower terminal surface, has seted up a plurality of steel sheet holes 27 on the trompil steel sheet 26, sets up three steel sheet hole 27 and three grout sleeve 23 in this embodiment, and every steel sheet hole 27 department all corresponds and is connected with a grout sleeve 23.

Through bolt 5, the cooperation of grout hole 7 in this embodiment, can realize on the one hand the accurate quick location of precast beam 2 installation on prefabricated basis 1, on the other hand can also make and play the better connection stabilizing effect between each precast beam 2 when assembling a precast equipment supporting beam, realizes need not to treat after 2 connected node concreting of precast beam that the concrete maintenance both can install prefabricated cabin on whole precast equipment supporting beam to required intensity, can effectively shorten whole time limit for a project.

In addition, the prefabricated beam 2 and the prefabricated foundation 1 are connected in a mode that the horizontal adjustment can be carried out through the adjusting nut 6 before grouting treatment is carried out, the adjusting nut 6 is rotated to change the position of the prefabricated beam on the bolt 5, then, the height of the end part of the prefabricated beam 2 is adjusted, the horizontal deviation generated by processing and installing of prefabricated parts is eliminated, the equipment installation steel plates 36 on the upper end faces of all the prefabricated beams 2 can be located on the same horizontal plane after all the nodes of the prefabricated equipment supporting beam are finally poured, and the upper equipment is guaranteed to be stably located on the prefabricated beam 2.

In order to further guarantee the stability of precast beam 2 installation in this embodiment, it carries on spacingly to grout sleeve 23 in it promptly when preparing precast beam 2, specifically be precast beam reinforcing bar 11 including lieing in 2 direction of height middle parts of precast beam and distributing in the middle part precast beam reinforcing bar 28 of grout sleeve 23 along 2 width direction both sides of precast beam, be fixed with on the precast beam reinforcing bar 28 of middle part to the reinforcing bar 29, distribute in the both sides of 2 length direction of precast beam of grout sleeve 23 along to the reinforcing bar 29, to the reinforcing bar 29 with middle part precast beam reinforcing bar 28 constitute jointly and carry out spacing portion to grout sleeve 23 in precast beam 2, thereby make grout sleeve 23 can guarantee stable in position in precast beam 2, can not the skew position because of the deformation of concrete, guarantee that follow-up grout sleeve 23 can accurate cooperation with bolt 5.

In this embodiment, the middle position of the prefabricated foundation 1 is provided with short column reinforcements 10 vertically extending upwards from the upper end surface of the prefabricated foundation 1, the short column reinforcements 10 are arranged on the upper end surface of the foundation short column 12, prefabricated beam reinforcements 11 penetrating through the prefabricated beam 2 are arranged on the prefabricated beam 2 along the length direction of the prefabricated beam 2, and the prefabricated beam reinforcements 11 and the short column reinforcements 10 are vertically and alternately arranged when the prefabricated beam 2 is installed on the prefabricated foundation 1.

Be equipped with a plurality of corbel posts 13 with prefabricated crossbeam 14 and prefabricated longeron 15 one-to-one on the prefabricated basis 1, prefabricated beam reinforcing bar 11 is including distributing in prefabricated crossbeam 14 and prefabricated longeron 15 along the upper and lower both ends of direction of height and being in many tip prefabricated beam reinforcing bars 30 that the interval set up on the same horizontal plane, the tip prefabricated beam reinforcing bar 30 vertically and horizontally staggered arrangement on prefabricated crossbeam 14 and the prefabricated longeron 15 and the tip prefabricated beam reinforcing bar 30 on the prefabricated crossbeam 14 is in the tip prefabricated beam reinforcing bar 30 below on the prefabricated longeron 15.

Each reinforcing bar vertically and horizontally staggered of prefabricated crossbeam 14, prefabricated longeron 15 and 1 three's of prefabricated basis junctor can make this node concreting back node joint strength obtain the guarantee, adopts the C35 concrete to pour behind the node installation template in this embodiment to the vibration is closely knit.

Prefabricated basis 1 includes bight basis 31 and middle part basis 32, wherein be equipped with a prefabricated crossbeam 14 and a prefabricated longeron 15 on the bight basis 31, be equipped with two prefabricated longerons 15 and a prefabricated crossbeam 14 with the perpendicular setting of prefabricated longeron 15 of relative setting on the middle part basis 32, 11 tip alignment of prefabricated girder reinforcing bar on two prefabricated longerons 15 and connect through a screw sleeve two 33, realize the connection between the relative prefabricated girder reinforcing bar 11 on two prefabricated longerons 15 through the screw sleeve, can further strengthen the connection stability between the prefabricated longeron 15.

Because the connected node reinforcing bar is intensive between precast foundation 1 and precast beam 2, during the prefabricated component installation, the 2 tip of traditional precast beam adopts the anchor muscle that bends, the anchor muscle easily leads to the node to block up, make precast beam 2 can't install fast on precast foundation 1, consequently the tip of precast beam reinforcing bar 11 on short column reinforcing bar 10 and the precast beam 14 of this embodiment all is equipped with reinforcing bar anchor plate 16, reinforcing bar anchor plate 16 includes outer hexagon nut 17 and 18 with outer hexagon nut 17 integrated into one piece's backing plate, reinforcing bar anchor plate 16 is connected with short column reinforcing bar 10 or precast beam reinforcing bar 11 through the internal thread of outer hexagon nut 17.

The linear steel bar bending anchoring is changed into the anchoring plate surface anchoring, so that the anchoring plate has better anchoring performance and simple process, and the construction progress is accelerated; the steel consumption is saved, and the engineering cost is reduced.

In addition, because there are prefabricated roof beam reinforcing bars 11 that arrange and vertically and horizontally staggered from top to bottom at the connector node, still be equipped with short column reinforcing bar 10, it can produce the interference to the installation of prefabricated roof beam 2, therefore design through short column reinforcing bar 10 in this embodiment, make short column reinforcing bar 10 including be fixed in basic short column 12 and stretch out the reservation reinforcing bar 19 of basic short column 12 up end and detachable connect in reservation reinforcing bar 19 tip and with reservation reinforcing bar 19 coaxial setting reinforcing bar anchor rod 20, reinforcing bar anchor plate 16 connects in the tip of keeping away from reservation reinforcing bar 19 of reinforcing bar anchor rod 20, wherein reservation reinforcing bar 19 length is 20cm, it can not produce the interference to prefabricated longeron 15 installation, in order to guarantee the length of this short column reinforcing bar 10 simultaneously, realize the mode of anchor rod through the screw sleeve and come to lengthen reservation reinforcing bar 19 after prefabricated longeron 15 installs and target in place, in order to guarantee node joint strength.

The steel bar anchoring rod 20 comprises an anchor rod 21, one end of the anchor rod 21 is connected with a first threaded sleeve 22 in a threaded mode, the anchor rod 21 is installed on the short-column steel bar 10 through the first threaded sleeve 22, and the other end of the anchor rod 21 is used for installing a steel bar anchoring plate 16.

In addition, in this embodiment, an equipment installation steel plate 36 flush with the upper end surface of the precast beam 2 is pre-buried on the upper end surface of the precast beam 2, so that the precast cabin can be welded to the equipment installation steel plate 36 after being located on the precast beam 2, and the equipment installation stability is ensured.

In addition, in order to further improve the structural strength of the joint, the end face of the precast beam 2 is a concave-convex surface 37 adopting a serrated racking structure, so that the concrete deformation can be overcome to a certain extent.

The embodiment provides a construction method of a prefabricated equipment support beam, which can realize factory prefabrication and field installation of the quick assembly type prefabricated equipment support beam and comprises the following steps of:

s1, preparing a support beam component of the prefabricating equipment, prefabricating in a factory to obtain a prefabricated foundation 1, a prefabricated cross beam 14 and a prefabricated longitudinal beam 15;

s2, conveying the prefabricated foundation 1, the prefabricated cross beam 14 and the prefabricated longitudinal beam 15 to a construction site, arranging a foundation cushion layer on the construction site, and leveling the foundation cushion layer by fine sand;

s3, hoisting the prefabricated foundations 1 to the specified positions of the foundation mat so that all the prefabricated foundations 1 are arranged in a rectangular array;

s4, hoisting the prefabricated beam 14 to the transversely adjacent prefabricated foundations 1 from top to bottom to enable grouting holes 7 in the bottom of the prefabricated beam 14 to be sleeved with corresponding bolts 5;

step S5, hoisting the prefabricated longitudinal beam 15, namely hoisting the prefabricated longitudinal beam 15 to the outer side of the prefabricated foundation 1, keeping the distance between the lower end surface of the prefabricated longitudinal beam 15 and the top surface of the prefabricated foundation 1 to be 30cm, then horizontally moving the prefabricated longitudinal beam 15 towards the prefabricated cross beam 14 from outside to inside along the length direction of the prefabricated cross beam 14, enabling the prefabricated longitudinal beam 15 and the prefabricated beam steel bars 11 extending out of the end part of the prefabricated longitudinal beam 15 to cross the reserved steel bars 19 and the bolts 5 until grouting holes 7 in the bottom of the prefabricated longitudinal beam 15 correspond to the bolts 5 one by one, and then hoisting the prefabricated longitudinal beam 15 downwards to enable the prefabricated longitudinal beam 15 to fall on the prefabricated foundation 1;

s6, installing a steel bar anchoring rod 20 on the reserved steel bars 19, and installing steel bar anchoring plates 16 on the precast beam steel bars 11;

s7, horizontally adjusting the prefabricated transverse beams 14 and the prefabricated longitudinal beams 15 through adjusting nuts 6 to enable the horizontal deviation of all the prefabricated transverse beams 14 and all the prefabricated longitudinal beams 15 to be smaller than 3mm;

s8, grouting treatment is carried out on the inside of the grouting hole 7 through cement-based grouting material, and maintenance is carried out for 24 hours;

and S9, finally, performing concrete pouring on the connecting node of the prefabricated transverse beam 14 and the prefabricated longitudinal beam 15 to obtain the prefabricated equipment supporting beam.

The prefabricated beam 14 and the prefabricated longitudinal beam 15 are prepared in the step S1, 4 limiting pieces are arranged on the lower end face of the steel formwork in advance, then a perforated steel plate 26 is embedded between the 4 limiting pieces to form limiting, installation of the grouting sleeve 23 on the perforated steel plate 26 and the perforated steel plate 26 is completed, the prefabricated beam steel bar 11 penetrating through the steel formwork is arranged on the steel formwork in a penetrating mode, then the opposite-pulling steel bar 29 is arranged on the prefabricated beam steel bar 11 to limit the middle of the grouting sleeve 23, concrete is poured finally, and the prefabricated beam 14 or the prefabricated longitudinal beam 15 is obtained after maintenance is completed.

In the step S2, fine sand leveling needs to be carried out on the foundation cushion, because the deviation of the axis and the levelness of the prefabricated foundation 1 and the height difference of adjacent foundations directly determine whether the prefabricated cabin can be stably placed in place, the prefabricated foundation 1 is formed by hoisting a finished product and directly sitting on the cushion, and the axis of the foundation deviates, so that the upper prefabricated beam 2 is in a diamond-shaped structure and even can not be installed; the deviation of the levelness of the foundation pad layer enables the foundation short column 12 to deviate from the axis; the height deviation of the adjacent cushions causes the precast beam 2 to be uneven, and the precast cabin cannot be stably positioned.

The concrete leveling method comprises the following steps: before the prefabricated foundation 1 is in place, cleaning sundries on a cushion layer, uniformly paving fine sand with the thickness of about 1cm on the surface of a concrete cushion layer, and testing and adjusting by adopting a level gauge to ensure the flatness of the bottom surface. In the positioning process, a two-line cross positioning method is adopted for positioning, namely a method for corresponding the center line of the foundation and the bottom corner side line, so that the center line of the foundation is aligned.

The grouting material adopted in the grouting treatment process in the step S8 is a cement-based grouting material compounded by cement, fine aggregate and various additives, water is added according to the requirements on site and uniformly stirred to form self-flowing slurry, the self-flowing slurry has the characteristics of low viscosity, good fluidity, early strength, high strength, micro-expansion, no shrinkage and the like, the grouting material is poured through the slurry inlet hole 9 in the operation process, and the grouting opening and the slurry outlet opening are sealed after the slurry overflows from the slurry outlet hole 8.

The strength of the joint can reach 35Mpa after grouting treatment and 24-hour curing, the curing strength can reach 60Mpa after 3 days, and the prefabricated cabin on the prefabricated beam 2 can be effectively installed before the concrete at the joint between the prefabricated foundation 1 and the prefabricated beam 2 does not reach the designed strength, so that the construction period is effectively shortened.

It is easily understood that a person skilled in the art can combine, split, recombine and the like the embodiments of the present application on the basis of one or several embodiments provided in the present application to obtain other embodiments, which do not depart from the scope of the present application.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims (13)

1. The utility model provides a prefabricated equipment supporting beam of fast assembly formula, includes prefabricated basic (1) and prefabricated roof beam (2) of tip installation on prefabricated basic (1), its characterized in that: short column reinforcing steel bars (10) vertically and upwards extending out of the upper end face of the prefabricated foundation (1) are arranged in the middle of the prefabricated foundation (1), prefabricated beam reinforcing steel bars (11) penetrating through the prefabricated beam (2) are arranged on the prefabricated beam (2) along the length direction of the prefabricated beam (2), and the prefabricated beam reinforcing steel bars (11) and the short column reinforcing steel bars (10) are vertically and alternately arranged when the prefabricated beam (2) is installed on the prefabricated foundation (1);

still including setting up connecting elements (3) on prefabricated basis (1) and the connecting elements two (4) of setting on prefabricated roof beam (2), connecting elements (3) are including fixing bolt (5) in prefabricated basis (1) up end edge, bolt (5) are vertical upwards set up and bolt (5) go up threaded connection have adjusting nut (6), connecting elements two (4) are including setting up grout hole (7) on the tip lower terminal surface of prefabricated roof beam (2), be equipped with on the terminal surface of prefabricated roof beam (2) with grout hole (7) intercommunication go out grout hole (8) and advance grout hole (9), bolt (5) insert in grout hole (7) and adjusting nut (6) are between terminal surface and prefabricated basis (1) up end under prefabricated roof beam (2) when prefabricated roof beam (2) are installed on prefabricated basis (1).

2. The quickly assembled prefabricated equipment support beam of claim 1, wherein: the prefabricated foundation (1) comprises a foundation short column (12) and a bracket column (13) arranged on the outer side of the foundation short column (12), the height of the bracket column (13) is lower than that of the foundation short column (12), a bolt (5) is fixed on the upper end face of the bracket column (13), and short column steel bars (10) are arranged on the upper end face of the foundation short column (12).

3. A quickly assembled prefabricated equipment support beam according to claim 2, characterized in that: precast beam (2) are including precast beam (14) and precast longeron (15), and the tip of precast beam reinforcing bar (11) on short column reinforcing bar (10) and precast beam (14) all is equipped with reinforcing bar anchor plate (16), reinforcing bar anchor plate (16) including outer hexagon nut (17) and with outer hexagon nut (17) integrated into one piece's backing plate (18), reinforcing bar anchor plate (16) are connected with short column reinforcing bar (10) or precast beam reinforcing bar (11) through the internal thread of outer hexagon nut (17).

4. A quickly assembled prefabricated equipment support beam according to claim 3, wherein: the short column steel bar (10) comprises a reserved steel bar (19) which is fixed on the foundation short column (12) and extends out of the upper end face of the foundation short column (12) and a steel bar anchoring rod (20) which is detachably connected to the end part of the reserved steel bar (19) and is coaxial with the reserved steel bar (19), and the steel bar anchoring plate (16) is connected to the end part, far away from the reserved steel bar (19), of the steel bar anchoring rod (20).

5. The quickly assembled prefabricated equipment support beam of claim 4, wherein: the steel bar anchoring rod (20) comprises an anchor rod (21), one end of the anchor rod (21) is in threaded connection with a first threaded sleeve (22), the anchor rod (21) is installed on the short column steel bar (10) through the first threaded sleeve (22), and the other end of the anchor rod (21) is used for installing a steel bar anchoring plate (16).

6. The quickly assembled prefabricated equipment support beam of claim 1, wherein: pre-buried lower extreme open-ended grout sleeve (23) that has in precast beam (2), grout hole (7) are inside to constitute in grout sleeve (23), be connected with on the lateral wall of grout sleeve (23) arrange from top to bottom and all with grout outlet pipe (24) and the grout inlet pipe (25) of grout sleeve (23) inside intercommunication, grout outlet pipe (24) and the tip of advancing grout pipe (25) and keeping away from grout sleeve (23) stretch out precast beam (2) terminal surface and construct grout outlet (8) and advance grout hole (9).

7. The quickly assembled prefabricated equipment support beam of claim 6, wherein: be equipped with trompil steel sheet (26) on precast beam (2) lower terminal surface, the lower terminal surface of trompil steel sheet (26) flushes with the lower terminal surface of precast beam (2), has seted up a plurality of steel sheet holes (27) on trompil steel sheet (26), and every steel sheet hole (27) department all corresponds and is connected with a grout sleeve (23), is equipped with a plurality of bolts (5) with grout sleeve (23) one-to-one on bracket post (13) upper end surface.

8. A fast assembling precast equipment support beam according to claim 6 or 7, characterized in that: precast beam reinforcing bar (11) are including being located precast beam (2) direction of height middle part and distributing in middle part precast beam reinforcing bar (28) along precast beam (2) width direction both sides of grout sleeve (23), are fixed with on middle part precast beam reinforcing bar (28) to draw reinforcing bar (29), distribute in the both sides along precast beam (2) length direction of grout sleeve (23) to draw reinforcing bar (29), to draw reinforcing bar (29) with middle part precast beam reinforcing bar (28) constitute jointly and carry out spacing portion spacing to grout sleeve (23) in precast beam (2).

9. A quickly assembled prefabricated equipment support beam according to claim 3, wherein: be equipped with a plurality of bracket posts (13) with prefabricated crossbeam (14) and prefabricated longeron (15) one-to-one on prefabricated basis (1), prefabricated beam reinforcing bar (11) are including distributing in prefabricated crossbeam (14) and prefabricated longeron (15) along the upper and lower both ends of direction of height and be in many tip prefabricated beam reinforcing bar (30) that the interval set up on the same horizontal plane, tip prefabricated beam reinforcing bar (30) vertically and horizontally staggered arrangement on prefabricated crossbeam (14) and the prefabricated longeron (15) and tip prefabricated beam reinforcing bar (30) on prefabricated crossbeam (14) are in tip prefabricated beam reinforcing bar (30) below on prefabricated longeron (15).

10. A prefabricated equipment support beam of the rapid assembly type according to claim 9, wherein: prefabricated basis (1) is equipped with a prefabricated crossbeam (14) and a prefabricated longeron (15) including bight basis (31) and middle part basis (32) on bight basis (31), is equipped with two prefabricated longerons (15) that set up relatively and a prefabricated crossbeam (14) with prefabricated longeron (15) perpendicular setting on middle part basis (32), and prefabricated beam reinforcing bar (11) tip on two prefabricated longerons (15) aligns and connects through a screw sleeve two (33).

11. A quickly assembled prefabricated equipment support beam according to claim 2, characterized in that: prefabricated basis (1) still includes basic cushion cap (34), and basic short column (12) and bracket post (13) all set up on basic cushion cap (34), still evenly are equipped with rings (35) on basic cushion cap (34).

12. A quickly assembled prefabricated equipment support beam according to claim 1, 9 or 10, characterized in that: and an equipment installation steel plate (36) which is flush with the upper end surface of the precast beam (2) is pre-embedded on the upper end surface of the precast beam (2).

13. The quickly assembled prefabricated equipment support beam of claim 1, wherein: the end surface of the precast beam (2) is a concave-convex surface (37) adopting a serrated racking structure.

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