CN111335679A - A prefabricated heat-insulating steel bar processing plant and its construction method - Google Patents

Abstract

The invention discloses an assembled heat insulation type steel bar processing factory and a construction method thereof, wherein the steel bar processing factory comprises a base and a top support, the base is fixed on the ground to play a supporting role, the top support is assembled on the base to form a roof framework of the steel bar processing factory, a double-layer enclosure structure is arranged on the top support, the double-layer enclosure structure is laid on the upper surface of the top support, an air interlayer is formed in the middle of the double-layer enclosure structure and is communicated with the outdoor space, the heat conduction of indoor and outdoor air can be effectively isolated, the indoor temperature is reduced, and the building comfort level is increased.

Description

A prefabricated heat-insulating steel bar processing plant and its construction method

technical field

The invention belongs to the technical field of construction engineering, and particularly relates to a prefabricated heat-insulating steel bar processing plant and a construction method thereof.

Background technique

Steel bar is a kind of steel with relatively high hardness and certain toughness. Steel bar is almost a must-use material in the construction industry now; a large number of steel bars of different lengths are often required in large-scale construction projects. In order to complete the project within the specified time limit, speed up the project As the progress progresses, engineers will build a steel bar processing plant on site for centralized processing of steel bars.

The rebar processing plant provides an integrated closed functional space for rebar from raw material storage to rebar finished product and distribution. Most of the traditional steel bar processing plants are welded with steel structures such as portal steel frames and triangular roof trusses, some of which are connected by bolts, and the roof is a single-laminated steel plate roof.

Due to the frequent transfer of construction projects, the self-built steel bar processing plant is generally only used for 2-3 years, and the construction process of fixed buildings built by welding and cast-in-place is not suitable for the frequent fluidity of self-built steel bar processing plants; After the first demolition, the single-laminated steel plate roof became construction waste. Moreover, the traditional steel bar processing plant uses a single-laminated steel plate roof, and the indoor air is closed, stuffy, and high temperature, which seriously affects the life safety of operators.

For example, in the patent application with the application number of 201820160242.0, a detachable steel bar processing shed is disclosed, which includes a column array, a roof truss, a purlin and a roof steel plate, and an upper mounting plate and a lower mounting plate are fixed on the columns; A connecting beam and a diagonal brace are arranged between the two columns, and the first L-shaped plate and the second L-shaped plate are fixed on the column. On the frame rod, the purlins are fixed on the grooved plate; the purlins are laid with roof steel plates through bolts.

The detachable steel bar processing shed realized by the above patent uses a single-layer steel plate for the roof, which cannot be reused after dismantling, resulting in construction waste, and will lead to indoor air-locking, stuffy air, and high temperature, which seriously affects the life safety of operators.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned problems, the primary purpose of the present invention is to provide a prefabricated heat-insulating steel bar processing plant and a construction method thereof. The roof of the processing plant adopts double-layer enclosures, and an air interlayer is formed in the middle to communicate with the outdoors, which can effectively isolate the indoors. External air heat conduction, reducing indoor temperature and increasing building comfort.

Another object of the present invention is to provide a prefabricated heat-insulating steel bar processing plant and a construction method thereof, which is convenient for assembly and disassembly, can be reused after one-time completion, has low cost, and does not generate a large amount of construction waste and industrial waste. , green and environmental protection, suitable for the construction of various types of steel processing plants.

For achieving the above object, technical scheme of the present invention is as follows:

A prefabricated heat-insulating steel bar processing plant includes a base and a top bracket, the base is fixed on the ground to play a supporting role, the top bracket is assembled on the base to form a roof frame of the steel bar processing plant, and the top bracket is mounted on the roof frame of the steel bar processing plant. A double-layered enclosure structure is installed. The double-layered enclosure is laid on the upper surface of the top bracket, and an air interlayer is formed in the middle of the double-layered enclosure. temperature, increasing building comfort.

Further, the base includes a number of uprights, the top bracket includes a number of inclined beams, and the several uprights are supported on the ground, the uprights and the inclined beams are connected by a connection structure, and the two ends of each inclined beam are respectively It is connected with the two uprights through the connecting structure. In the present invention, the inclined beams are installed on the upright columns through the pair of connecting structures, which facilitates installation and disassembly.

Further, the connection structure includes a column head sealing plate and a bow-shaped support plate, the two ends of the oblique beam are inclined, and the top port connecting the column and the oblique beam is an oblique port, and its inclination angle is the same as that of the oblique beam. The inclination angle of the column head is the same, the column head sealing plate is fixedly arranged at the port of the column, the bow-shaped support plate is adapted to the column head sealing plate, and one end of the bow-shaped support plate is detachably connected with the column head sealing plate, The other end of the bow bracket is detachably connected with the bottom of the inclined beam. In the present invention, the inclined beam is an existing standard part, its cross section is rectangular, and its bottom is a short side; the inclination of the prefabricated column port is the same as the inclination of the inclined beam, and the column head sealing plate is fixedly arranged on the side of the column. At the port, the inclination of the column head sealing plate is also the same as the inclination of the inclined beam, and the short side of the column and the inclined beam is detachably connected by the bow bracket, which has a reasonable force and saves space.

Further, the bow bracket includes a first connection part, a second connection part and a third connection part, and the first connection part, the second connection part and the third connection part are connected in a step shape in sequence, and all the The second connecting part is higher than the first connecting part and the third connecting part, the heights of the first connecting part and the third connecting part are the same, and the first connecting part, the second connecting part and the third connecting part are all at the same height. Several bolt holes are provided, the second connecting part is connected with the bottom of the inclined beam, and both the first connecting part and the third connecting part are connected with the column head sealing plate. Through the setting of the bow bracket, the single row of bolts at the bottom of the inclined beam are connected to the second connecting part through the bolt holes of the second connecting part, and then the first connecting part and the third connecting part are sealed with the column head of the column. The plates are connected and converted into a double row bolt arrangement, with reasonable force, which makes the connection between the inclined beam and the column more stable.

Further, a welding plate is arranged in the inclined beam, a plurality of bolt heads are arranged on the welding plate, and the end of the bolt head protrudes from the bottom of the inclined beam, and the bolt head is connected to the bolt of the second connecting part. holes to fit. The inclined beam and the bow bracket are detachably connected through the cooperation of bolts and nuts.

Further, a plurality of connecting holes corresponding to the bolt holes on the first connecting part and the third connecting part are provided on the cover plate of the column head. The column head sealing plate and the bow bracket are detachably connected through the cooperation of bolts and nuts.

Further, the oblique beam is also provided with an oblique beam sleeve insert, and the position of the oblique beam sleeve insert corresponds to the position of the bow-shaped support plate. The inclined beam sleeve insert belongs to the prior art, and is sleeved in the aluminum alloy inclined beam, which can increase the connection strength between the aluminum alloy inclined beam and the bow-shaped support plate, and has a reasonable force and a safe structure.

Further, the base also includes a number of concrete foundations corresponding to the columns, the concrete foundations are evenly spaced to form a square and fixed on the ground, and the lower ends of the columns are respectively fixedly connected to the concrete foundations, so as to be evenly spaced to form a square. The square is supported on the ground; a number of columns enclosing a square include two rows of columns at the front and the rear and two columns on the left and right with uniform spacing. The fixed connection has a diagonal beam. In the present invention, the upright column and the inclined beam are fixed in the above manner, and the overall structure is stable.

Further, each inclined beam is provided with an installation structure for installing the double-layered enclosure structure, the upper and lower sides of the installation structure are provided with assembly grooves, and the double-layered enclosure structure includes several two-layer enclosures. For the tarpaulin, an installation position for installing two layers of tarpaulin is formed between every two adjacent inclined beams, and an air interlayer is formed between the two layers of tarpaulin; the left and right edges of the two layers of tarpaulin are provided with installation grooves. The tarpaulin on the upper layer is inserted into the fitting slot on the upper part of the installation structure through the clip on the edge, and the tarpaulin on the lower layer is inserted into the fitting slot on the lower part of the installation structure through the clip on the edge. In the present invention, two layers of tarpaulins are laid at the installation positions between each two adjacent inclined beams, and the edges of the tarpaulins are fixed in the assembling grooves by clips, which facilitates installation and disassembly.

Further, the front and rear ends of each two-layer tarpaulin are connected with an adjustment mechanism. After the two-layer tarpaulin is clipped into the assembly groove through the clips on the left and right sides, it is adjusted by the adjustment mechanisms at the front and rear ends of the two-layer tarpaulin. The two-layer tarpaulin is elastic and fixed.

Further, the adjustment mechanism includes a first adjustment assembly and a second adjustment assembly, and the first adjustment assembly includes a first adjustment nut, a first adjustment screw, a first pull rod and a first short rod. In the tarpaulin, the front or rear end of the tarpaulin located on the upper layer is fixedly connected with the first pull-up rod, the first pull-up rod is fixedly connected with the lower part of the first adjustment screw through the first short rod, and the first adjustment nut is fixed Connected to the front or rear end of the inclined beam, the first adjusting screw rod extends into the first adjusting nut and is threadedly connected with the first adjusting nut, and the first adjusting screw rod can drive the first pulling rod through the first short rod through the knob Move up and down, so as to drive the front or rear end of the upper tarpaulin to move up and down to adjust the tightness of the upper tarpaulin;

The second adjusting assembly includes a second adjusting nut, a second adjusting screw, a second pulling rod and a second short rod. The front or rear end of the tarpaulin located on the lower layer of the two-layer tarpaulin is connected to the second lifting rod. The rod is fixedly connected, the second pulling rod is fixedly connected to the lower part of the second adjusting screw through the second short rod, the second adjusting nut is fixedly connected to the front or rear end of the column, and the second adjusting screw extends into the The second adjusting nut is threadedly connected with the second adjusting nut, and the second adjusting screw through the knob can drive the second pulling rod to move up and down through the second short rod, thereby driving the front or rear end of the lower tarpaulin to move up and down to realize the adjustment Elasticity of the lower tarpaulin. In the present invention, the tightness and fixation of the two-layer tarpaulin can be adjusted and fixed through the specific structural arrangement of the first adjustment assembly and the second adjustment assembly.

Further, the base also includes purlins and purlins, the purlins are fixed on the column by bolts, and the purlins are fixed on the purlins by bolts, so as to strengthen the stability of the base; The profiled steel plate enclosure structure is fixed on the purlin by self-tapping screws. In the present invention, the stability of the base can be enhanced by the arrangement of the purlin support and the purlin, and the stability of the base can be enhanced through the profiled steel plate enclosure structure while ensuring the closedness of the steel bar processing plant.

Further, in the columns in the front row and the rear row, inter-column double angle steels are installed between some of the two adjacent columns. The column is supported and fixed by the arrangement of double angle steel between the columns, which can strengthen the stability of the base.

Further, the base is also provided with an entrance and exit, and the upper part of the base is further provided with a crane beam, and the crane beam is arranged on the upper part of the column in the front row or the rear row. In the present invention, it is convenient to enter and exit the steel bar processing plant through the entrance and exit, and the assembly of the steel bar processing plant can be facilitated through the crane beam.

Further, the oblique beam is an aluminum alloy herringbone oblique beam, and several herringbone oblique beams are combined to form two inclined surfaces, the top bracket is also connected with a square tube and a hanging tube, and each oblique beam is also provided with a number of intervals. Uniform connecting piece, the hanging pipe is laterally installed in the middle of the top bracket through the connecting piece in the middle of each inclined beam, that is, the joint between the two inclined surfaces, there are several square pipes, and several square pipes pass through respectively. Several connecting pieces of the inclined beam are laterally installed on the two inclined surfaces, and the suspension pipes and the several square pipes are arranged vertically to the inclined beam. In the present invention, the connecting piece is a standard piece for fixing the hanging pipe and the square pipe, which can be fixed by hooks, which is the prior art. The above arrangement can enhance the stability of the top bracket, and the arrangement of the two inclined surfaces can better connect the Rainwater drainage, with two layers of tarpaulin to achieve good waterproof effect.

Further, the column is an H-shaped steel column, the two layers of tarpaulin are PVC tarpaulins, and the air interlayer between the two layers of tarpaulins is more than 20cm. In the present invention, the H-shaped steel column is more convenient and practical, the PVC material tarpaulin has good waterproof effect and anti-corrosion; the setting of the air interlayer above 20cm can better facilitate air circulation.

A construction method of a prefabricated heat-insulating steel bar processing plant, the method comprising the following steps:

Step S1, foundation excavation, pre-embedded anchor bolts and cast-in-place concrete foundation; specifically, the length of pre-embedded M45 anchor bolts is 60cm, the anchor bolt center distance is 5m, and then C25 concrete is poured in place. After the concrete strength reaches the standard, ensure that the anchor bolts are exposed. Base surface≥15cm;

Step S2, assemble the purlin support on the column, then fix the column on the anchor bolt of the concrete foundation, and level the column elevation through the anchor bolt; 5mm;

Step S3, the double angle steel between the columns is fixed on the upright column by bolts; specifically, the double angle steel between the columns can be fixed by standing on the scaffold;

Step S4, splicing the herringbone oblique beam on the ground, lifting the herringbone oblique beam to the top of the column, and tightening the connection and fixing by bolts;

In step S5, the suspension pipe and the square pipe are suspended on the prefabricated connecting piece of the inclined beam through the brace; specifically, the brace is an existing tool, and the suspension pipe and the square pipe can be fixed by standing on the scaffold.

Step S6, after the two-layer tarpaulin is inserted along the assembly groove of the inclined beam, the ends of the two-layer tarpaulin are pulled up with a pull rope, and then the upper-layer tarpaulin is fixed on the inclined beam through the first adjustment component, and the The second adjustment component fixes the tarpaulin of the lower layer on the upright column;

Step S7, placing the purlin on the purlin support, and tightening and fixing with bolts; specifically, the purlin can be fixed by standing on the scaffold;

Step S8, lifting the crane beam from the ground to the column, and tightening and fixing with bolts; specifically, the crane beam can be fixed on the corbel position of the H-shaped steel column while standing on the scaffold;

In step S9, the profiled steel plate enclosure structure is installed, and the profiled steel plate enclosure structure is fixed on the purlin through self-tapping screws.

In the present invention, before the pre-embedded anchor bolts and the cast-in-place concrete foundation, the site needs to be leveled, the ground debris and accumulated water need to be cleaned, and temporary drainage work is done; Lime powder is sprinkled over the base flat shape. Through the above method steps, the prefabricated heat-insulating steel bar processing plant is constructed, the concrete foundation is connected with the H-shaped steel column by prefabricated bolts, and the beam-to-beam, beam-to-column and other structural components are all bolted, hooked, etc., which are easy to disassemble and assemble. The connection method, the top double-layer PVC enclosure and the inclined beam are inserted into the fitting groove by the clips, and then fixed by the adjustment mechanism. The surrounding profiled steel enclosure structure is bolted to the column, and the overall disassembly and assembly loss of the factory is zero. No construction waste is generated, it is more green and environmentally friendly, and it cooperates with the frequent transfer of construction projects, which has obvious advantages.

The beneficial effects of the present invention are: compared with the prior art, in the present invention, a double-layered enclosure structure is used to lay on the upper surface of the top support, and an air interlayer is formed in the middle of the double-layered enclosure structure, which is communicated with the outdoor and can It can effectively isolate indoor and outdoor air heat conduction, reduce indoor temperature, and increase building comfort; and compared with the existing technology, it is more convenient to assemble and disassemble, can be reused after one-time completion, low cost, and will not generate a large amount of construction waste and Industrial waste, green and environmentally friendly, suitable for the construction of various steel bar processing plants.

Description of drawings

FIG. 1 is a schematic structural diagram of a prefabricated heat-insulating steel bar processing plant implemented by the present invention.

Fig. 2 is a side sectional view of a prefabricated heat-insulating steel bar processing plant implemented by the present invention.

FIG. 3 is an enlarged schematic view of B in FIG. 2 .

FIG. 4 is an enlarged schematic view of C in FIG. 2 .

5 is a schematic front view of the base of the prefabricated heat-insulating steel bar processing plant implemented by the present invention.

FIG. 6 is a schematic diagram of the connection relationship between the two-layer tarpaulin, the inclined beam and the upright column implemented by the present invention.

FIG. 7 is a cross-sectional view of the inclined beam and column portion of FIG. 6 from a first perspective.

FIG. 8 is a cross-sectional view of the inclined beam and column portion of FIG. 6 from a second perspective.

FIG. 9 is a schematic view of the structure of the bow bracket implemented by the present invention.

10 is a schematic diagram of the connection relationship between the clips and the assembling grooves of the two-layer tarpaulin implemented in the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Referring to Figure 1-10, a prefabricated heat-insulating steel bar processing plant includes a base 1 and a top bracket 2. The base 1 is fixed on the ground to play a supporting role, and the top bracket 2 is assembled on the base 1 to form a steel bar processing plant. The roof frame, the top bracket 2 is provided with a double-layer enclosure structure 3, the double-layer enclosure structure 3 is laid on the upper surface of the top bracket 2, and the middle of the double-layer enclosure structure 3 forms an air interlayer, which is communicated with the outdoor and can Effectively isolate indoor and outdoor air heat conduction, reduce indoor temperature, and increase building comfort.

Among them, the base 1 includes a number of uprights 11, the top bracket 2 includes a number of inclined beams 21, the several uprights 11 are supported on the ground, and the connection structure 4 is used between the uprights 11 and the inclined beams 21. The ends are respectively connected with the two uprights 11 through the connecting structure 4 . In the present invention, the inclined beams 21 are installed on the upright column 11 through 4 pairs of connecting structures, which is convenient for installation and disassembly.

Wherein, the connection structure 4 includes a column head sealing plate 41 and a bow-shaped support plate 42, the two ends of the oblique beam 21 are inclined, and the top port connecting the column 11 and the oblique beam 21 is an oblique port, and its inclination angle is the same as that of the oblique beam 21. The angle of inclination is the same, the column head sealing plate 41 is fixedly arranged at the port of the column 11, the bow-shaped support plate 42 is adapted to the column head sealing plate 41, and one end of the bow-shaped support plate 42 is detachably connected with the column head sealing plate 41, The other end of the bow bracket 42 is detachably connected to the bottom of the inclined beam 21 . In the present invention, the inclined beam 21 is an existing standard part, its cross section is rectangular, and its bottom is a short side; the inclination of the port of the prefabricated column 11 is the same as the inclination of the inclined beam 21, and the column head sealing plate 41 is fixed. It is arranged at the port of the upright column 11. At this time, the inclination of the column head sealing plate 41 is also consistent with the inclination of the inclined beam 21. The short side of the upright column 11 and the inclined beam 21 is detachably connected by the bow bracket 42, and is subjected to force. Reasonable and space saving.

The bow bracket 42 includes a first connecting portion 421, a second connecting portion 422 and a third connecting portion 423, and the first connecting portion 421, the second connecting portion 422 and the third connecting portion 423 are connected in a stepped manner. And the second connection part 422 is higher than the first connection part 421 and the third connection part 423, the height of the first connection part 421 and the third connection part 423 are the same, the first connection part 421, the second connection part 422 and the third connection part The parts 423 are provided with several bolt holes, the second connecting part 422 is connected to the bottom of the inclined beam 21 , the first connecting part 421 and the third connecting part 423 are both connected to the column head sealing plate 41 . Through the setting of the bow bracket 42, the single row of bolts at the bottom of the inclined beam 21 are arranged to be connected with the second connection part 422 through the bolt holes of the second connection part 422, and then through the first connection part 421 and the third connection part. 423 is connected with the column head sealing plate 41 of the column 11, and is converted into a double-row bolt arrangement, and the force is reasonable, so that the connection between the inclined beam 21 and the column 11 is more stable.

Wherein, the inclined beam 21 is provided with a welding plate 211, the welding plate 211 is provided with a plurality of bolt heads 212, and the ends of the bolt heads 212 protrude from the bottom of the inclined beam 21, the bolt head 212 and the second connecting part 422 holes to fit. The inclined beam 21 and the bow bracket 42 are detachably connected through the cooperation of bolts and nuts.

A plurality of connecting holes corresponding to the bolt holes on the first connecting portion 421 and the third connecting portion 423 are provided on the column head sealing plate 41 . The column head sealing plate 41 and the bow bracket 42 are detachably connected through the cooperation of bolts and nuts.

The inclined beam 21 is also provided with an inclined beam sleeve insert 213 , and the position of the inclined beam sleeve insert 213 corresponds to the position of the bow bracket 42 . The oblique beam sleeve insert 213 belongs to the prior art, and is sleeved in the oblique beam 21 to increase the connection strength between the oblique beam 21 and the bow-shaped support plate 42, with reasonable stress and safe structure.

The assembly method of the connection structure 4 can be as follows:

1. Prefabricate the inclined port of the column 11 and the cover plate 41 of the column head, the welding plate 211 and the bolt head 212 of the inclined beam 21, and the bracket plate 42 in advance in the factory;

2. On the assembly site, use bolts and nuts to fix the bow bracket 42 to the inclined beam 21;

3. Lift the oblique beam 21 installed with the bow bracket 42 to the column 11;

4. Fix the bow bracket 42 and the column 11 with bolts to complete the assembly.

Compared with the prior art, the beneficial effects are as follows: the inclined beam 21, the bow-shaped support plate 42 and the column 11 are all connected by bolts, the nodes are assembled, the disassembly and assembly loss is zero, no construction waste is generated, and the inclined beam is more environmentally friendly; The bolts of the beam 21 are embedded in the interior of the bow-shaped support plate 42, and the joint design is beautiful; the inclined beam sleeve insert 213 increases the connection strength of the inclined beam 21 and the bow-shaped support plate 42, and the force is reasonable and the structure is safe.

The base 1 also includes a number of concrete foundations 12 corresponding to the columns 11 , the concrete foundations 12 are evenly spaced to form a square and fixed on the ground, and the lower ends of the columns 11 are respectively fixedly connected to the concrete foundations 12 so as to be evenly spaced It is enclosed in a square and supported on the ground; a number of columns 11 enclosed in a square include two rows of columns 11 in the front and the rear and two columns 11 on the left and right, which are evenly spaced. An inclined beam 21 is fixedly connected to the front and rear opposite uprights 11 . In the present invention, the upright column 11 and the inclined beam 21 are fixed in the above manner, and the overall structure is stable.

Wherein, each inclined beam 21 is provided with an installation structure for installing the double-layer enclosure structure 3, the upper and lower sides of the installation structure are provided with assembly grooves 214, and the double-layer enclosure structure 3 includes several two-layer enclosure structures. Layers of tarpaulin, an installation position for installing two layers of tarpaulins is formed between every two adjacent inclined beams 21, and an air interlayer is formed between the two layers of tarpaulins; The clips 33 that fit into the grooves 214, the tarpaulin 31 on the upper layer is inserted into the mounting slot 214 on the upper part of the installation structure through the clips 33 at the edges, and the tarpaulin 32 on the lower layer is inserted and installed through the clips 33 at its edges In the assembly groove 214 in the lower part of the structure. In the present invention, two layers of tarpaulins are laid at the installation positions between each two adjacent inclined beams 21, and the edges of the tarpaulins are fixed in the assembling grooves 214 by the clips 33, which is convenient for installation and disassembly.

Among them, the front and rear ends of each two-layer tarpaulin are connected with an adjustment mechanism 5. After the two-layer tarpaulin is clipped into the assembly groove 214 through the clips 33 on the left and right sides, the adjustment mechanism 5 is adjusted at the front and rear ends of the two-layer tarpaulin. Mechanism 5 adjusts the tension and fixation of the two-layer tarpaulin.

The adjustment mechanism 5 includes a first adjustment assembly and a second adjustment assembly. The first adjustment assembly includes a first adjustment nut 51, a first adjustment screw 52, a first pull rod 53 and a first short rod 54. The front or rear end of the tarpaulin 31 located on the upper layer of the tarpaulin is fixedly connected to the first pull rod 53, and the first pull rod 53 is fixedly connected to the lower part of the first adjusting screw 52 through the first short rod 54, and the first pull rod 53 is fixedly connected to the lower part of the first adjusting screw The adjusting nut 51 is fixedly connected to the front or rear end of the inclined beam 21, the first adjusting screw 52 extends into the first adjusting nut 51 and is threadedly connected with the first adjusting nut 51, and the first adjusting screw 52 can pass through the first short screw through the knob. The rod 54 drives the first pulling rod 53 to move up and down, thereby driving the front or rear end of the upper tarpaulin 31 to move up and down, so as to adjust the tightness of the upper tarpaulin 31;

The second adjusting assembly includes a second adjusting nut 55, a second adjusting screw 56, a second pulling rod 57 and a second short rod 58. The front or rear end of the tarpaulin 32 on the lower layer of the two tarpaulins is connected to the second tarpaulin 32. The two pulling rods 57 are fixedly connected, the second pulling rod 57 is fixedly connected to the lower part of the second adjusting screw 56 through the second short rod 58, the second adjusting nut 55 is fixedly connected to the front or rear end of the column 11, the second The adjusting screw 56 extends into the second adjusting nut 55 and is threadedly connected with the second adjusting nut 55. The second adjusting screw 56 can drive the second pulling rod 57 to move up and down through the second short rod 58 through the knob, thereby driving the lower tarpaulin The front or rear end of the 32 moves up and down to adjust the tightness of the lower tarpaulin 32 . In the present invention, the tightness and fixation of the two-layer tarpaulin can be adjusted and fixed through the specific structural arrangement of the first adjustment assembly and the second adjustment assembly.

Wherein, the base 1 also includes a purlin holder 13 and a purlin 14, the purlin holder 13 is fixed on the column 11 by bolts, and the purlin 14 is fixed on the purlin holder 13 by bolts, so as to strengthen the stability of the base 1; A profiled steel plate enclosure structure 15 is also installed, and the profiled steel plate enclosure structure 15 is fixed on the purlins 14 by self-tapping screws. In the present invention, the stability of the base 1 can be enhanced by the arrangement of the purlin brackets 13 and the purlins 14, and the stability of the base 1 can be enhanced by the profiled steel plate enclosure structure 15 while ensuring the closedness of the steel bar processing plant.

Among the columns 11 in the front row and the rear row, a double angle steel between columns 16 is installed between two adjacent columns 11 . The upright column 11 is supported and fixed by the arrangement of the double angle steel 16 between the columns, so that the stability of the base 1 can be enhanced.

The base 1 is also provided with an entrance and exit, and the upper part of the base 1 is further provided with a crane beam 17 , and the crane beam 17 is arranged on the upper part of the column 11 in the front row or the rear row. In the present invention, it is convenient to enter and exit the steel bar processing plant through the entrance and exit. The crane beam 17 is an existing functional part, and the assembly of the steel bar processing plant can be facilitated through the crane beam 17 .

Wherein, the inclined beam 21 is an aluminum alloy herringbone inclined beam 21, and several herringbone inclined beams 21 are combined to form two inclined surfaces, the top bracket 2 is also connected with a square tube 22 and a hanging tube 23, and each inclined beam 21 is also provided with A number of evenly spaced connecting pieces, the hanging pipe 23 is laterally installed in the middle of the top bracket 2 through the connecting piece in the middle of each inclined beam 21, that is, at the junction between the two inclined surfaces, there are several square pipes 22, and several square pipes 22 are respectively installed laterally on two inclined surfaces through a plurality of connecting pieces of the inclined beam 21 , and the suspension pipe 23 and the plurality of square pipes 22 are both arranged perpendicular to the inclined beam 21 . In the present invention, the connecting piece is a standard piece for fixing the hanging tube 23 and the square tube 22, which can be fixed by hooks, which is the prior art. The above arrangement can enhance the stability of the top bracket 2, and the arrangement of the two inclined surfaces can be more stable. Good drainage of rainwater, with two layers of tarpaulin to achieve good waterproof effect.

Among them, the column 11 is an H-shaped steel column, the two layers of tarpaulin are PVC tarpaulins, and the air interlayer between the two layers of tarpaulins is more than 20cm. In the present invention, the H-shaped steel column is more convenient and practical, the PVC material tarpaulin has good waterproof effect and anti-corrosion; the setting of the air interlayer above 20cm can better help the air circulation.

In the present invention, each upright column 11 is provided with an assembly node, and the assembly node on the upright column 11 can be a structure such as a support plate, a bolt hole, a corbel, etc., and components such as the purlin support 13 and the double angle steel 16 between the columns are fixed through the assembly nodes. .

A construction method of a prefabricated heat-insulating steel bar processing plant, the method comprising the following steps:

Step S1, foundation excavation, pre-embedded anchor bolts and cast-in-place concrete foundation 12; specifically, the length of pre-embedded M45 anchor bolts is 60cm, the center distance of the anchor bolts is 5m, and then C25 concrete is poured in-situ. After the concrete strength reaches the standard, the anchor bolts are guaranteed to be Exposed base surface ≥15cm;

Step S2, assembling the purlin holder 13 on the column 11, then fixing the column 11 on the anchor bolt of the concrete foundation 12, and leveling the elevation of the column 11 through the anchor bolt; specifically, leveling the H-shaped steel column 11 through the double nuts of the anchor bolt Base plate elevation, height difference ±5mm;

Step S3, the double angle steel between the columns 16 is fixed on the column 11 by bolts; specifically, the double angle steel between the columns 16 can be fixed by standing on a scaffold;

Step S4, splicing the herringbone oblique beam 21 on the ground, pressing and hoisting the herringbone oblique beam 21 to the top of the column 11, and tightening the connection and fixing by bolts;

In step S5, the suspension pipe 23 and the square pipe 22 are suspended on the prefabricated connecting piece of the inclined beam 21 through the strut; The top bracket is also provided with a steel cable 24, which is cross-fixed on the inclined beam.

Step S6, after the two-layer tarpaulin is inserted along the assembly groove 214 of the inclined beam 21, the ends of the two-layer tarpaulin are pulled up with a pull rope, and then the upper-layer tarpaulin 31 is fixed to the inclined beam through the first adjustment component. 21, the lower tarpaulin 32 is fixed on the upright column 11 through the second adjustment assembly;

Step S7, placing the purlin 14 on the purlin holder 13, and tightening and fixing with bolts; specifically, the purlin 14 can be fixed by standing on a scaffold;

In step S8, the crane beam 17 is lifted from the ground to the upright column 11, and bolts are used to tighten and fix it; specifically, the crane beam 17 can be fixed on the corbel position of the H-shaped steel column 11 while standing on the scaffold;

In step S9, the profiled steel plate enclosure structure 15 is installed, and the profiled steel plate enclosure structure 15 is fixed on the purlins 14 through self-tapping screws.

In the present invention, before the pre-embedded anchor bolts and the cast-in-place concrete foundation, the site needs to be leveled, the ground debris and accumulated water need to be cleaned, and temporary drainage work is done; Lime powder is sprinkled over the base flat shape. Through the above method steps, the prefabricated heat-insulating steel bar processing plant is constructed, the concrete foundation is connected with the H-beam column by prefabricated bolts, and the structural components such as beams and beams, beams and columns are all bolted, hooked, etc., which are easy to disassemble and assemble. The connection method, the top double-layer PVC enclosure and the inclined beam are inserted through the matching sleeve of the clip and the assembly slot, and then fixed by the adjustment mechanism. The surrounding profiled steel enclosure structure is bolted to the column, and the overall disassembly and assembly loss of the factory is zero. No construction waste is generated, it is more green and environmentally friendly, and it has obvious advantages to cooperate with the frequent transfer of construction projects.

In the prefabricated heat-insulating steel bar processing plant implemented by the present invention, the roof adopts aluminum structural membrane material (aluminum alloy inclined beam and two-layer PCV tarpaulin) roof system, and the disassembly and assembly of the double-layer PVC enclosure only needs to loosen the end of the inclined beam The adjustment mechanism, which can be pulled along the assembly groove of the inclined beam, can complete the disassembly and assembly of the two-layer tarpaulin of a unit. Compared with the bolt-and-nail form of the profiled steel plate roof, the double-layer envelope structure does not require personnel to operate and construct on the roof. Small construction difficulty and risk factor increase construction safety and convenience; at the same time, the double-layer PVC tarpaulin has an air interlayer of more than 20cm in the middle that is connected to the outside, effectively isolating indoor and outdoor air heat conduction, reducing indoor temperature and increasing building comfort; double-layered tarpaulin The PVC-enclosed roof is a fully assembled roof, which saves time and effort compared to bolted connection, and shortens the installation period, which greatly speeds up the production time of the steel bar processing plant.

The prefabricated heat-insulating steel bar processing plant implemented by the present invention adopts steel column aluminum beams according to the design concept of strong columns and weak beams, the vertical columns are fixed with double-angle steel cross-bracing between columns, and the inclined beams are made of high-strength 6-series aluminum alloy. High strength, high quality, sturdy and durable, and high safety factor; the combination of anodized aluminum alloy roof + double-layer PVC tarpaulin roof has greatly increased corrosion resistance compared with steel structure roof, and has better durability to rainwater erosion.

The beneficial effects of the present invention are: compared with the prior art, in the present invention, a double-layered enclosure structure is used to lay on the upper surface of the top support, and an air interlayer is formed in the middle of the double-layered enclosure structure, which is communicated with the outdoor and can Effectively isolate indoor and outdoor air heat conduction, reduce indoor temperature, and increase building comfort; and compared with the existing technology, it is more convenient to assemble and disassemble, and can be reused after one-time completion, with high efficiency, safety, comfort, easy operation and low cost. , anti-corrosion and other characteristics, and will not produce a large amount of construction waste and industrial waste, green and environmental protection, suitable for the construction of various types of steel processing plants.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention. Inside.

Claims (10)

1. a prefabricated heat-insulating steel bar processing plant, comprising a base and a top support, the base is fixed on the ground to play a supporting role, and the top support is assembled on the base to form the roof frame of the steel bar processing plant, it is characterized in that A double-layer enclosure structure is installed on the top support, the double-layer enclosure structure is laid on the upper surface of the top support, and an air interlayer that communicates with the outdoor is formed in the middle of the double-layer enclosure structure. 2. The prefabricated heat-insulating steel bar processing plant according to claim 1, characterized in that the base includes a plurality of uprights, the top bracket includes a plurality of inclined beams, and the uprights are supported on the ground, and the uprights are connected to the ground. The inclined beams are connected by a connection structure, and the two ends of each inclined beam are respectively connected with the two upright columns through the connection structure. 3. The prefabricated heat-insulating steel bar processing plant according to claim 2, characterized in that the connection structure comprises a column head sealing plate and a bow-shaped support plate, the two ends of the inclined beam are inclined, and the vertical column The top port connected with the inclined beam is an inclined port, and its inclination angle is the same as that of the inclined beam. And one end of the bow-shaped support plate is detachably connected with the stud sealing plate, and the other end of the bow-shaped support board is detachably connected with the bottom of the inclined beam. 4. The prefabricated heat-insulating steel bar processing plant according to claim 3, characterized in that the bow bracket comprises a first connecting part, a second connecting part and a third connecting part, the first connecting part, the second connecting part and the third connecting part. The second connecting portion and the third connecting portion are connected in a step-like manner, and the second connecting portion is higher than the first connecting portion and the third connecting portion, and the heights of the first connecting portion and the third connecting portion are the same, The first connecting part, the second connecting part and the third connecting part are all provided with several bolt holes, the second connecting part is connected with the bottom of the inclined beam, the first connecting part and the third connecting part are All are connected with the column head sealing plate; The inclined beam is provided with a welding plate, a plurality of bolt heads are arranged on the welding plate, and the ends of the bolt heads protrude from the bottom of the inclined beam, and the bolt heads are adapted to the bolt holes of the second connecting part ; A plurality of connecting holes corresponding to the bolt holes on the first connecting part and the third connecting part are provided on the stud cover; The inclined beam is also provided with an inclined beam sleeve insert, and the position of the inclined beam sleeve insert corresponds to the position of the bow-shaped support plate. 5. The prefabricated heat-insulating steel bar processing plant according to claim 2, wherein the base further comprises a number of concrete foundations corresponding to the columns, and the concrete foundations are evenly spaced to form a square and fixed on the ground, The lower ends of several columns are respectively fixedly connected with several concrete foundations, so that they are evenly spaced to form a square and supported on the ground. , Among the columns in the rear two rows, each two opposite columns at the front and the rear are fixedly connected with an inclined beam. 6. The prefabricated heat-insulating steel bar processing plant according to claim 5, wherein each inclined beam is provided with an installation structure for installing a double-layered enclosure structure, and the sides of the upper and lower parts of the installation structure are An assembly slot is provided, and the double-layer enclosure structure includes several two-layer tarpaulins, an installation position for installing two-layer tarpaulins is formed between every two adjacent inclined beams, and an air interlayer is formed between the two-layer tarpaulins ; Both the left and right edges of the two-layer tarpaulin are provided with clips that are adapted to the assembly grooves, the tarpaulin located on the upper layer is inserted into the assembly slot on the upper part of the installation structure through the clips at the edges, and the tarpaulin located on the lower layer Insert it into the mounting slot in the lower part of the mounting structure through the clip at its edge. 7. The prefabricated heat-insulating steel bar processing plant according to claim 6, wherein the front and rear ends of each two-layer tarpaulin are connected with adjustment mechanisms, and the two-layer tarpaulin passes through the left and right sides of the two-layer tarpaulin. After the clips on the side are snapped into the assembly grooves, the two layers of tarpaulin are adjusted and fixed through the adjustment mechanisms at the front and rear ends; The adjustment mechanism includes a first adjustment assembly and a second adjustment assembly. The first adjustment assembly includes a first adjustment nut, a first adjustment screw, a first pull rod and a first short rod. The front or rear end of the tarpaulin located on the upper layer is fixedly connected to the first pulling rod, the first pulling rod is fixedly connected to the lower part of the first adjusting screw through the first short rod, and the first adjusting nut is fixedly connected to the inclined rod. At the front or rear end of the beam, the first adjusting screw rod extends into the first adjusting nut and is threadedly connected with the first adjusting nut, and the first adjusting screw rod can drive the first pulling rod to move up and down through the first short rod through the knob, Thereby, the front or rear end of the tarpaulin of the upper layer is driven to move up and down, and the tightness of the tarpaulin of the upper layer can be adjusted; The second adjusting assembly includes a second adjusting nut, a second adjusting screw, a second pulling rod and a second short rod. The front or rear end of the tarpaulin located on the lower layer of the two-layer tarpaulin is connected to the second lifting rod. The rod is fixedly connected, the second pulling rod is fixedly connected to the lower part of the second adjusting screw through the second short rod, the second adjusting nut is fixedly connected to the front or rear end of the column, and the second adjusting screw extends into the The second adjusting nut is threadedly connected with the second adjusting nut, and the second adjusting screw through the knob can drive the second pulling rod to move up and down through the second short rod, thereby driving the front or rear end of the lower tarpaulin to move up and down to realize the adjustment The elasticity of the lower tarpaulin; both layers of tarpaulin are PVC tarpaulins, and the air interlayer between the two layers of tarpaulins is more than 20cm. 8. The prefabricated heat-insulating steel bar processing plant according to claim 5, characterized in that the base further comprises purlins and purlins, the purlins are fixed on the uprights by bolts, and the purlins are fixed on the purlins by bolts The outer periphery of the base is also equipped with a profiled steel plate enclosure, and the profiled steel enclosure is fixed on the purlins by self-tapping screws; among the columns in the front and rear rows, some of the adjacent two columns are between the two adjacent columns. The double angle steel between the columns is installed between the columns; the base is also provided with an entrance and exit, and the upper part of the base is also provided with a crane beam, and the crane beam is arranged on the upper part of the column in the front row or the rear row. 9. The prefabricated heat-insulating steel bar processing plant according to claim 5, characterized in that the inclined beam is an aluminum alloy herringbone inclined beam, and several herringbone inclined beams are combined to form two inclined planes, and the top bracket is also A square tube and a hanging tube are connected, and each inclined beam is also provided with a number of evenly spaced connecting pieces. A plurality of square tubes are installed laterally on two inclined surfaces through a plurality of connecting pieces of the inclined beams, and the suspension tubes and the plurality of square tubes are arranged vertically to the inclined beams; the uprights are H-shaped steel uprights. 10. A construction method for an assembled heat-insulating steel bar processing plant, characterized in that it comprises the following steps: Step S1, foundation excavation, pre-embedded anchor bolts and cast-in-place concrete foundation; Step S2, assemble the purlin support on the column, then fix the column on the anchor bolt of the concrete foundation, and level the column elevation through the anchor bolt; Step S3, the double angle steel between the columns is fixed on the column by bolts; Step S4, splicing the herringbone oblique beam on the ground, lifting the herringbone oblique beam to the top of the column, and tightening the connection and fixing by bolts; Step S5, hanging the hanging tube and the square tube on the prefabricated connector of the inclined beam through the strut; Step S6, after the two-layer tarpaulin is inserted along the assembly groove of the inclined beam, the ends of the two-layer tarpaulin are pulled up with a pull rope, and then the upper-layer tarpaulin is fixed on the inclined beam through the first adjustment component, and the The second adjustment component fixes the tarpaulin of the lower layer on the upright column; Step S7, place the purlin on the purlin holder, and tighten and fix with bolts; Step S8, lifting the crane beam from the ground to the upright column, and tightening and fixing with bolts; In step S9, the profiled steel plate enclosure structure is installed, and the profiled steel plate enclosure structure is fixed on the purlin through self-tapping screws.

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