阅读说明：本技术 一种多层多跨双t板结构及其施工方法 (Multilayer multi-span double-T-shaped plate structure and construction method thereof ) 是由 汪小林 张铭 曹文根 周晓莉 朱利君 汪宇峰 于力 于 2020-05-21 设计创作，主要内容包括：本发明涉及建筑施工技术领域,具体公开了一种多层多跨双T板结构及其施工方法,结构包括双T型板体和滑道,所述滑道横跨房屋的支座梁且通过所述支座梁支撑,所述双T型板体至少为一组且同时与所述滑道滑动配合,所述双T型板体设置有第一连接部和第二连接部,所述滑道的一端设置有与所述双T型板体固定连接的固定连接部,所述双T型板体可沿着所述滑道的另一端自由滑动,采用本发明双T板结构和施工方法,施工更为方便,可以集中吊装,提高施工效率。(The invention relates to the technical field of building construction, and particularly discloses a multi-layer multi-span double-T-shaped plate structure and a construction method thereof.)

1. The utility model provides a two T plate structure are striden to multilayer, its characterized in that: the double-T-shaped plate body is at least one group of double-T-shaped plate bodies and is in sliding fit with the slide rail at the same time, a first connecting part is arranged at one end of each double-T-shaped plate body, a second connecting part corresponding to the first connecting part of the adjacent double-T-shaped plate body is arranged at the other end of each double-T-shaped plate body, a fixed connecting part fixedly connected with the double-T-shaped plate body is arranged at one end of the slide rail, the double-T-shaped plate bodies can freely slide along the other end of the slide rail, and drag hooks are arranged on the end faces, facing one end of the fixed connecting part, of the double-T-shaped plate bodies; the slideway comprises a first sliding chute, a second sliding chute and a rib plate for connecting the first sliding chute and the second sliding chute, and the first sliding chute and the second sliding chute are respectively matched with the bottom convex edge of the double-T-shaped plate body in a sliding manner; a cast-in-place concrete section is arranged between the double-T-shaped plate body and the first sliding chute or the second sliding chute and is positioned at one end of the fixed connecting part; a plurality of concave holes are formed in the side face of the double-T-shaped plate body, a baffle is fixedly arranged on the side wall of the first sliding chute or the second sliding chute, and a baffle groove used for positioning the baffle is formed in the side wall of the first sliding chute or the second sliding chute; the middle part disconnection of slide, just the middle part disconnection department of slide can dismantle through a bottom plate and link to each other.

2. The multi-layer multi-span dual-T plate structure of claim 1, wherein: first connecting portion include connecting steel plate and splice bar, the steel sheet is pre-buried in the two T template bodies, the splice bar with connecting steel plate fixed connection, second connecting portion are including pre-buried the sleeve of two T template bodies, the splice bar is followed the terminal surface of two T template bodies stretches out behind the two T template bodies with sleeve fixed connection.

3. The multi-layer multi-span dual-T plate structure of claim 1, wherein: the drag hook includes the drag hook body, the drag hook body includes straight board and general straight board end to end's arc, seted up on the straight board and run through the through-hole, the annular has been seted up to the outer end of splice bar, it rotationally sets up to run through the through-hole in the annular.

4. The multi-layer multi-span dual-T plate structure of claim 1, wherein: the double-T-shaped plate comprises a double-T-shaped plate body and a rib plate, wherein a leveling mechanism is arranged between the double-T-shaped plate body and the rib plate and comprises a base, a floating supporting rod, a spring, a threaded supporting head and a stop bolt, a step hole is formed in the base, a step plate is fixedly arranged at the lower end of the floating supporting rod, the spring is fixedly arranged at the lower end of the floating supporting rod and passes through the step plate, the step plate is supported in the step hole, the upper end of the floating supporting rod can stretch out of the base in a sliding mode and is in threaded connection with the threaded supporting head, a threaded hole connected with the stop bolt is formed in one side of the base.

5. The multi-layer multi-span dual-T plate structure of claim 4, wherein: be provided with the backing plate between the bottom of two T type plate bodies and the slide, the backing plate is formed by the stack in proper order of multilayer steel sheet.

6. The multi-layer multi-span dual-T plate structure of claim 5, wherein: the fixed connecting part comprises a screw rod and a bolt, a through hole is formed in the convex edge, vertical through grooves are formed in the side walls of the first sliding groove and the second sliding groove, and two ends of the screw rod penetrate through the through hole and the vertical through grooves simultaneously and then are fixed through the bolt.

7. A construction method of a multi-layer multi-span double-T plate structure is characterized by comprising the following steps: the method comprises the steps of finishing the construction of a whole house frame structure, arranging a slide way on a support beam placed by double T-shaped plate bodies, reserving traction lengths with the same length on the support beam by the multi-layer multi-span double T-shaped plate bodies, synchronously pulling the double T-shaped plate bodies to be in place by a small traction device with a synchronous drag hook at the end part of each double T-shaped plate body, then fixedly connecting a fixed connecting part on the slide way with the double T-shaped plate bodies, finishing the construction period, dismantling the slide way, and realizing the rapid construction of the multi-layer double T-shaped plate.

Technical Field

The invention relates to the technical field of building construction, and particularly discloses a multi-layer multi-span double-T-shaped plate structure and a construction method thereof.

Background

The double T-shaped plate is a prestressed concrete plate type prefabricated component which is the most widely used internationally at present, the double T-shaped plate is also called a large-span roof plate, and is a novel roof component integrating beam plates, and the double T-shaped plate has the advantages of large span, strong bearing capacity, good heat insulation, light and handy structure, bright and clean bottom surface, convenience in construction, firmness and attractiveness, economic and reasonable stressed section, large effective height (inner force arm) of the section, small concrete consumption and the like, and is widely suitable for large-span building roofs of modern standard workshops, warehouses, restaurants, various halls and the like. Compared with a steel structure large-span roof, the double-T plate has the advantages of natural fire resistance, moisture resistance, corrosion resistance, short construction period, low manufacturing cost, no need of daily maintenance, long service life and the like.

The traditional double-T plate construction method adopts a layer-by-layer construction method, namely, a beam column structure is firstly constructed layer by layer, then double-T plates are hoisted, then a second layer of support beam and a double-T plate structure are constructed upwards, and the steps are repeated subsequently to complete the construction of all floors.

Disclosure of Invention

In view of this, the present invention provides a multi-layer multi-span double T-plate structure and a construction method thereof, which are more convenient for construction, can be hoisted in a centralized manner, and improve the construction efficiency.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a two T plate structures are striden many to multilayer, includes two T type plate bodies and slide, the slide spanes the support roof beam in house and passes through the support roof beam supports, two T type plate bodies at least be a set of and simultaneously with slide sliding fit, the one end of two T type plate bodies is provided with first connecting portion, the other end of two T type plate bodies is provided with the second connecting portion corresponding with the first connecting portion of adjacent two T type plate bodies, the one end of slide be provided with two T type plate body fixed connection's fixed connection portion, two T type plate bodies can be along the other end of slide freely slides, two T type plate body face to be provided with the drag hook on the terminal surface of fixed connection portion one end.

Further, first connecting portion include connecting steel plate and splice bar, the steel sheet is pre-buried in the two T template bodies, the splice bar with connecting steel plate fixed connection, second connecting portion are including pre-buried the sleeve of two T template bodies, the splice bar is followed the terminal surface of two T template bodies stretches out behind the two T template bodies with sleeve fixed connection.

Further, the drag hook includes the drag hook body, the drag hook body includes straight board and incites somebody to action straight board end to end's arc, seted up on the straight board and run through the through-hole, the annular has been seted up to the outer end of splice bar, it rotationally sets up to run through the through-hole in the annular.

Further, the slide way comprises a first sliding groove, a second sliding groove and a rib plate connected with the first sliding groove and the second sliding groove, and the first sliding groove and the second sliding groove are respectively in sliding fit with the bottom convex edge of the double-T-shaped plate body.

Further, a leveling mechanism is arranged between the double-T-shaped plate body and the rib plate and comprises a base, a floating support rod, a spring, a thread support head and a stop bolt, a step hole is formed in the base, a step plate is fixedly arranged at the lower end of the floating support rod, the spring is fixedly arranged at the lower end of the floating support rod and is used for supporting the step plate in the step hole, the upper end of the floating support rod can slidably extend out of the base and is in threaded connection with the thread support head, a threaded hole connected with the stop bolt is formed in one side of the base, and the stop bolt is used for fixing the floating support rod.

Further, a base plate is arranged between the bottom of the double-T-shaped plate body and the slide way, and the base plate is formed by sequentially stacking a plurality of layers of steel plates.

Further, the fixed connecting part comprises a screw rod and a bolt, a through hole is formed in the protruding edge, vertical through grooves are formed in the side walls of the first sliding groove and the second sliding groove, and two ends of the screw rod penetrate through the through hole and the vertical through grooves simultaneously and then are fixed through the bolt.

Further, a cast-in-place concrete section is arranged between the double-T-shaped plate body and the first sliding chute or the second sliding chute, the cast-in-place concrete section is positioned at one end of the fixed connecting part,

furthermore, a plurality of concave holes are formed in the side face of the double-T-shaped plate body, a baffle is fixedly arranged on the side wall of the first sliding groove or the second sliding groove, and a blocking groove used for positioning the baffle is formed in the side wall of the first sliding groove or the second sliding groove.

Furthermore, the middle part of the slide is disconnected, and the middle part of the slide is detachably connected through a bottom plate.

A construction method of a multi-layer multi-span double T-shaped plate structure comprises the steps of firstly finishing the construction of a house frame structure, arranging a slide way on a support beam placed by double T-shaped plate bodies, reserving traction lengths with the same length on the support beam by the multi-layer multi-span double T-shaped plate bodies, synchronously pulling the double T-shaped plate bodies to be in place by a small traction device with a synchronous drag hook at the end part of each double T-shaped plate body, then fixedly connecting a fixed connecting part on the slide way with the double T-shaped plate bodies, finishing the construction period, dismantling the slide way, and realizing the rapid construction of the multi-layer double T-shaped plate.

The working principle and the beneficial effects of the scheme are as follows:

the invention relates to a multilayer multi-span double-T plate structure and a construction method thereof, wherein the double-T plate structure comprises double-T-shaped plate bodies and a slide way, in the construction process, the construction of a house frame structure can be finished, the slide way is arranged on a support beam for placing the double-T-shaped plate bodies, a small traction device is used for pulling a hook at the end part of each double-T-shaped plate body to pull the double-T-shaped plate bodies to be in place synchronously, and then a fixed connecting part on the slide way is fixedly connected with the double-T-shaped plate bodies, so that the multilayer double-T plate structure can be constructed quickly, the. The multi-layer multi-span double-T-shaped plate structure is convenient to design and construct, shortens the construction period and reduces the construction cost.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

FIG. 1 is a first structural schematic view of a double T-plate structure according to the present invention;

FIG. 2 is a second structural schematic view of a double T-plate structure according to the present invention;

FIG. 3 is an enlarged view of FIG. 2 at B;

FIG. 4 is a schematic view of the retractor;

FIG. 5 is a side view of a double T-plate structure of the present invention;

FIG. 6 is a cross-sectional view taken along A-A of FIG. 5;

FIG. 7 is a schematic connection diagram of a double T-plate structure;

FIG. 8 is a schematic view of a multi-layer, multi-span tractor;

fig. 9 is a schematic structural view of a slide according to embodiment 2.

The drawings are numbered as follows: the double-T-shaped plate comprises a double-T-shaped plate body 1, a slide way 2, a first slide way 21, a second slide way 22, a rib plate 23, a support beam 3, a first connecting part 4, a connecting plate 41, a connecting rib 42, a ring groove 43, a second connecting part 5, a fixed connecting part 6, a screw 61, a bolt 62, a vertical through groove 63, a draw hook 7, a straight plate 71, an arc plate 72, a through hole 73, a leveling mechanism 8, a base 81, a floating supporting rod 82, a spring 83, a threaded supporting head 84, a stop bolt 85, a step plate 86, a base plate 9, a concrete cast-in-place section 10, a concave hole 11, a baffle plate 12, a baffle.

Detailed Description

The following is further detailed by way of specific embodiments: