Prefabricated laminated slab fixing device

Abstract

This utility model discloses a prefabricated composite slab fixing device, comprising: a support frame and several transverse fixing components. The support frame includes a base, with 3 to 6 uprights fixedly installed on both sides of the top surface of the base. Several support blocks are provided on the surface of the uprights. The transverse fixing components include a first end clamping component, a second end clamping component, a support pad, and a connecting steel cable. The first end clamping component and the second end clamping component are respectively inserted and fixed to the edge of the prefabricated composite slab. The top of the first end clamping component has a steel cable fixing hole, and the top of the second end clamping component has a steel cable tightening component. The two ends of the connecting steel cable are respectively fixedly connected to the steel cable fixing hole and the steel cable tightening component. The top surface of the support pad has a steel cable groove that cooperates with the connecting steel cable. This utility model can reduce the impact on the composite slab during stacking, transportation, and loading / unloading, and reduce the risk of cracking of the composite slab caused by the impact during stacking, transportation, and loading / unloading.

Description

Technical Field

[0001] This utility model relates to the field of building construction equipment technology, and in particular to a prefabricated composite slab fixing device. Background Technology

[0002] Truss-reinforced concrete composite slabs are widely used in prefabricated concrete construction due to their advantages such as high mechanization, high production efficiency, easy quality control, and short construction cycle. However, with the widespread application of truss-reinforced concrete composite slabs, some prefabricated composite slabs have cracked during the stacking, transportation, loading and unloading, and on-site installation processes. This has reduced the on-site acceptance rate of components, resulting in resource waste, delays in construction progress, and significant economic losses. Utility Model Content

[0003] The purpose of this utility model is to provide a prefabricated composite plate fixing device, which can reduce the impact on the composite plate during stacking, transportation and loading and unloading, ensure that the composite plate is subjected to reasonable force during stacking, transportation and loading and unloading, and reduce the risk of the composite plate cracking due to the impact during stacking, transportation and loading and unloading.

[0004] To achieve the above and other related objectives, this utility model provides a prefabricated composite slab fixing device, comprising: a support frame and several transverse fixing components. The support frame includes a base, and 3 to 6 uprights are fixedly installed on both sides of the top surface of the base along the extension direction of the base. Several support blocks are evenly distributed on the opposing surfaces of the uprights along the extension direction of the uprights. The support blocks are telescopically mounted on the uprights via telescopic components. A transverse fixing component is fixedly installed on the prefabricated composite slab between two adjacent uprights. The transverse fixing component includes a first end. The assembly includes a clamping component, a second end clamping component, a support pad, and a connecting steel cable. The first end clamping component is inserted and fixed to one side edge of the assembled composite plate through a first clamping groove. The second end clamping component is inserted and fixed to the other side edge of the assembled composite plate through a second clamping groove. The top of the first end clamping component is provided with a steel cable fixing hole, and the top of the second end clamping component is provided with a steel cable tightening component. The two ends of the connecting steel cable are fixedly connected to the steel cable fixing hole and the steel cable tightening component, respectively. The top surface of the support pad is provided with a steel cable groove that cooperates with the connecting steel cable.

[0005] In one example of the prefabricated composite plate fixing device of this utility model, the base includes two longitudinal beams and several transverse beams. The two ends of each transverse beam are respectively vertically fixedly connected to the side walls of the two longitudinal beams. The several transverse beams are evenly distributed along the extension direction of the longitudinal beams. The two ends of the top surface of each transverse beam are respectively vertically fixedly connected to the bottom ends of the two uprights.

[0006] In one example of the prefabricated composite plate fixing device of this utility model, the telescopic component includes a plurality of lead screws passing through the upright, the plurality of lead screws being threadedly connected to the upright, the ends of the plurality of lead screws facing the support blocks being rotatably connected to the end faces of the support blocks, and a sliding plate being provided on the end faces of the support blocks on both sides of the lead screws, and two sliding plates passing through the upright and slidably connected to the upright.

[0007] In one example of the prefabricated composite plate fixing device of this utility model, each of the lead screws is provided with a crank connecting block at the end away from the support block, and the crank connecting block is provided with a crank insertion hole at the end away from the lead screw, and the crank insertion hole is inserted into the end of the crank handle.

[0008] In one example of the prefabricated composite slab fixing device of this utility model, the side walls of the first clamping groove and the second clamping groove are respectively provided with a plurality of steel bar insertion holes, and the steel bar insertion holes cooperate with the steel bars on both sides of the prefabricated composite slab.

[0009] In one example of the prefabricated composite plate fixing device of this utility model, a first rubber layer is fixedly installed on the inner walls of the top and bottom surfaces of the first clamping groove, and a first fastening bolt is threadedly connected to the top surface of the first clamping groove.

[0010] In one example of the prefabricated composite plate fixing device of this utility model, a second rubber layer is fixedly installed on the inner walls of the top and bottom surfaces of the second clamping groove, and a second fastening bolt is threadedly connected to the top surface of the second clamping groove.

[0011] In one example of the prefabricated composite plate fixing device of this utility model, the steel cable tightening assembly includes a mounting base. One end of the mounting base is fixedly connected to the top of the second end clamping assembly. A tightening shaft is rotatably mounted on the end of the mounting base away from the second end clamping assembly. A ratchet and a first insertion hole are respectively provided at both ends of the tightening shaft. A pawl is rotatably mounted on the outer wall of the mounting base through a torsion spring shaft. The pawl cooperates with the ratchet. A steel cable fixing bolt is provided in the middle of the outer wall of the tightening shaft.

[0012] In one example of the prefabricated composite plate fixing device of this utility model, a third rubber layer is provided on the outer wall of the supporting pad.

[0013] The support frame of this utility model's prefabricated composite panel fixing device is placed on the ground or a transport vehicle. Prefabricated composite panels are placed using several support blocks on the base and uprights. Telescopic components control the extension and retraction of the support blocks, facilitating the layer-by-layer placement of prefabricated composite panels. For each prefabricated composite panel, multiple horizontal fixing components are installed as needed. First, a first end clamping component and a second end clamping component are inserted and installed along both sides of the prefabricated composite panel. Then, multiple support pads are placed on the top surface of the prefabricated composite panel between the first and second end clamping components. One end of a connecting steel cable is connected to the steel cable fixing hole on the first end clamping component, and the other end of the connecting steel cable is fixedly connected to the steel cable tightening component on the second end clamping component. The steel cable tightening component tightens the connecting steel cable, ensuring it engages with the steel cable groove on the support pad, thus completing the placement and fixing of one prefabricated composite panel. Other prefabricated composite panels can then be placed and fixed sequentially. This invention can reduce the impact on the composite slab during stacking, transportation and loading / unloading, ensure that the composite slab is subjected to reasonable stress during stacking, transportation and loading / unloading, and reduce the risk of cracking of the composite slab caused by the impact during stacking, transportation and loading / unloading. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of an embodiment of the prefabricated composite plate fixing device of this utility model; Figure 2 This is a top view of the support frame in one embodiment of the prefabricated composite plate fixing device of this utility model; Figure 3 This is a partial structural diagram of the support frame in one embodiment of the prefabricated composite plate fixing device of this utility model; Figure 4 This is a schematic diagram of the structure of the first end clamping component in one embodiment of the assembled composite plate fixing device of this utility model; Figure 5 This is a schematic diagram of the structure of the second end clamping component in one embodiment of the assembled composite plate fixing device of this utility model; Figure 6 This is a schematic diagram of the steel cable tightening component in one embodiment of the prefabricated composite plate fixing device of this utility model; Figure 7 This is a schematic diagram of the supporting wooden pad in one embodiment of the prefabricated composite plate fixing device of this utility model.

[0015] Component designation: 100 Support frame; 110 Base; 111 Longitudinal beam; 112 Crossbeam; 120 Upright pole; 130 Support block; 131 Slide plate; 140 Telescopic assembly; 141 Lead screw; 142 Crank handle connecting block; 143 Crank handle; 200 Lateral fixing assembly; 210 First end clamping assembly; 211 First clamping groove; 212 Steel cable fixing hole; 213 First rubber layer; 214 First fastening bolt; 220 Second end clamping assembly; 221 Second clamping groove; 222 Second rubber layer; 223 Second fastening bolt; 230 Support pad; 231 Steel cable groove; 232 Third rubber layer; 240 Connecting steel cable; 250 Steel cable tightening assembly; 251 Mounting seat; 252 Tightening shaft; 253 Ratchet; 254 First insertion hole; 255 Pawl; 256 Torsion spring shaft; 257 Steel cable fixing bolt; 300 Assembled composite plate. Detailed Implementation

[0016] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of this utility model is for describing specific implementation schemes and not for limiting the scope of protection of this utility model. Test methods in the following embodiments that do not specify specific conditions are generally performed under conventional conditions or according to the conditions recommended by the respective manufacturers.

[0017] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in this invention, both endpoints of each numerical range and any value between the two endpoints may be selected. Unless otherwise defined, all technical and scientific terms used in this invention, as well as the prior art known to those skilled in the art and the description of this invention, may be implemented using any prior art methods, equipment, and materials similar to or equivalent to those in the embodiments of this invention.

[0018] Please see Figures 1 to 7This utility model provides an assembled composite plate fixing device, which includes: a support frame 100 and a plurality of transverse fixing components 200. The support frame 100 includes a base 110. Three to six uprights 120 are fixedly installed on both sides of the top surface of the base 110 along the extension direction of the base 110. A plurality of support blocks 130 are evenly provided on the opposing surfaces of the uprights 120 along the extension direction of the uprights 120. The support blocks 130 are telescopically mounted on the uprights 120 through telescopic components 140. A transverse fixing component 200 is fixedly installed on the prefabricated composite plate 300 between two adjacent uprights 120. The transverse fixing component 200 includes a first end clamping component 210, a second end clamping component 220, a support pad 230, and a connecting steel cable 240. The first end clamping component 210 is inserted and fixed to one side edge of the prefabricated composite plate 300 through a first clamping groove 211. The second end clamping component 220 is inserted and fixed to the other side edge of the prefabricated composite plate 300 through a second clamping groove 221. The top of the first end clamping component 210 is provided with a steel cable fixing hole 212. The top of the second end clamping component 220 is provided with a steel cable tightening component 250. The two ends of the connecting steel cable 240 are fixedly connected to the steel cable fixing hole 212 and the steel cable tightening component 250, respectively. The top surface of the support pad 230 is provided with a steel cable groove 231 that cooperates with the connecting steel cable 240.

[0019] The support frame 100 of this utility model is placed on the ground or on a transport vehicle. The assembled composite plate 300 is placed using several support blocks 130 on the base 110 and the upright 120. The telescopic component 140 is used to control the telescopic movement of the support blocks 130, thereby facilitating the layer-by-layer placement of the assembled composite plate 300. For each prefabricated composite panel 300 placed, multiple horizontal fixing components 200 are installed on the prefabricated composite panel 300 as needed. First, the first end clamping component 210 and the second end clamping component 220 are inserted and installed on both sides of the prefabricated composite panel 300. Then, multiple support pads 230 are placed on the top surface of the prefabricated composite panel 300 between the first end clamping component 210 and the second end clamping component 220. One end of the connecting steel cable 240 is connected to the steel cable fixing hole 212 on the first end clamping component 210, and the other end of the connecting steel cable 240 is fixedly connected to the steel cable tightening component 250 on the second end clamping component 220. The steel cable tightening component 250 is used to tighten the connecting steel cable 240, so that the connecting steel cable 240 cooperates with the steel cable groove 231 on the support pad 230, thus completing the placement and fixing of one prefabricated composite panel 300. Then, other prefabricated composite panels 300 are placed and fixed in sequence. This invention can reduce the impact on the composite slab during stacking, transportation and loading / unloading, ensure that the composite slab is subjected to reasonable stress during stacking, transportation and loading / unloading, and reduce the risk of cracking of the composite slab caused by the impact during stacking, transportation and loading / unloading.

[0020] Please see Figure 1 and Figure 2 In one example of the prefabricated composite plate fixing device of this utility model, the base 110 includes two longitudinal beams 111 and several transverse beams 112. The two ends of each transverse beam 112 are respectively vertically fixedly connected to the side walls of the two longitudinal beams 111. The several transverse beams 112 are evenly distributed along the extension direction of the longitudinal beams 111. The two ends of the top surface of each transverse beam 112 are respectively vertically fixedly connected to the bottom ends of the two uprights 120.

[0021] Please see Figure 2 and Figure 3In one example of the prefabricated composite plate fixing device of this utility model, the telescopic component 140 includes a plurality of lead screws 141 passing through the upright 120. The plurality of lead screws 141 are respectively threadedly connected to the upright 120. The ends of the plurality of lead screws 141 facing the support block 130 are respectively rotatably connected to the end faces of the support blocks 130. A sliding plate 131 is provided on the end face of the support block 130 on both sides of the lead screw 141. Two sliding plates 131 are respectively passed through the upright 120 and slidably connected to the upright 120. A crank connecting block 142 is provided at the end of each lead screw 141 away from the support block 130. A crank insertion hole is provided at the end of the crank connecting block 142 away from the lead screw 141. The crank insertion hole is inserted into the end of the crank handle 143. When controlling the telescopic assembly 140, the crank handle 143 is inserted and fixed to a crank handle connecting block 142. Cranking the crank handle 143 drives the lead screw 141 to rotate. The lead screw 141 drives the support block 130 and the two slide plates 131 to extend and retract. The two slide plates 131 support the support block 130.

[0022] Please see Figures 4 to 7 In one example of the prefabricated composite slab fixing device of this utility model, the side walls of the first clamping groove 211 and the second clamping groove 221 are respectively provided with a plurality of steel bar insertion holes, which cooperate with the steel bars on both sides of the prefabricated composite slab 300. A first rubber layer 213 is fixedly installed on the inner walls of the top and bottom surfaces of the first clamping groove 211, and a first fastening bolt 214 is threadedly connected to the top surface of the first clamping groove 211. A second rubber layer 222 is fixedly installed on the inner walls of the top and bottom surfaces of the second clamping groove 221, and a second fastening bolt 223 is threadedly connected to the top surface of the second clamping groove 221. A third rubber layer 232 is provided on the outer wall of the supporting pad 230. The first rubber layer 213, the first fastening bolt 214, the second rubber layer 222, and the second fastening bolt 223 are used to better install and fix the prefabricated composite slab 300.

[0023] Please see Figure 5 and Figure 6In one example of the assembled composite plate fixing device of this utility model, the steel cable tightening assembly 250 includes a mounting base 251. One end of the mounting base 251 is fixedly connected to the top of the second end clamping assembly 220. A tightening shaft 252 is rotatably mounted on the end of the mounting base 251 away from the second end clamping assembly 220. A ratchet 253 and a first insertion hole 254 are respectively provided at both ends of the tightening shaft 252. A pawl 255 is rotatably mounted on the outer wall of the mounting base 251 through a torsion spring shaft 256. The pawl 255 cooperates with the ratchet 253. A steel cable fixing bolt 257 is provided in the middle of the outer wall of the tightening shaft 252. One end of the connecting steel cable 240 is fixedly connected to the steel cable fixing bolt 257. When tightening the connecting steel cable 240, the tightening shaft 252 is rotated to coil and wrap the connecting steel cable 240 around the tightening shaft 252, thereby tightening the connecting steel cable 240. The tightening shaft 252 can be fixed by the cooperation of the ratchet 253 and the pawl 255.

[0024] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A prefabricated composite slab fixing device, characterized in that, include: A support frame, comprising a base, wherein 3 to 6 uprights are fixedly installed on both sides of the top surface of the base along the extension direction of the base, and a plurality of support blocks are evenly provided on the opposing surfaces of the uprights along the extension direction of the uprights, the support blocks being telescopically mounted on the uprights via a telescopic assembly. A plurality of lateral fixing components are provided, one of which is fixedly installed on a prefabricated composite plate between two adjacent uprights. The lateral fixing component includes a first end clamping component, a second end clamping component, a support pad, and a connecting steel cable. The first end clamping component is inserted and fixed to one side edge of the prefabricated composite plate through a first clamping groove, and the second end clamping component is inserted and fixed to the other side edge of the prefabricated composite plate through a second clamping groove. The top of the first end clamping component is provided with a steel cable fixing hole, and the top of the second end clamping component is provided with a steel cable tightening component. The two ends of the connecting steel cable are fixedly connected to the steel cable fixing hole and the steel cable tightening component, respectively. The top surface of the support pad is provided with a steel cable groove that cooperates with the connecting steel cable.

2. The assembled composite plate fixing device as described in claim 1, characterized in that, The base includes two longitudinal beams and several transverse beams. The two ends of each transverse beam are respectively fixedly and perpendicularly connected to the side walls of the two longitudinal beams. The several transverse beams are evenly distributed along the extension direction of the longitudinal beams. The two ends of the top surface of each transverse beam are respectively fixedly and perpendicularly connected to the bottom ends of the two uprights.

3. The assembled composite plate fixing device as described in claim 2, characterized in that, The telescopic assembly includes several lead screws passing through the upright, each lead screw being threadedly connected to the upright, and each lead screw being rotatably connected to the end face of the support block at one end. A sliding plate is provided on the end face of the support block on both sides of the lead screw, and two sliding plates are respectively passing through the upright and slidably connected to the upright.

4. The assembled composite plate fixing device as described in claim 3, characterized in that, Each lead screw is provided with a crank connecting block at the end away from the support block. The crank connecting block is provided with a crank insertion hole at the end away from the lead screw, and the crank insertion hole is inserted into the end of the crank handle.

5. The assembled composite plate fixing device as described in claim 1, characterized in that, The first clamping groove and the second clamping groove are respectively provided with a plurality of steel bar insertion holes, which are matched with the steel bars on both sides of the prefabricated composite plate.

6. The prefabricated composite plate fixing device as described in claim 1, characterized in that, A first rubber layer is fixedly installed on the inner walls of the top and bottom surfaces of the first clamping groove, and a first fastening bolt is threaded onto the top surface of the first clamping groove.

7. The assembled composite plate fixing device as described in claim 1, characterized in that, A second rubber layer is fixedly installed on the inner walls of the top and bottom surfaces of the second clamping groove, and a second fastening bolt is threaded onto the top surface of the second clamping groove.

8. The prefabricated composite plate fixing device as described in claim 1, characterized in that, The cable tightening assembly includes a mounting base, one end of which is fixedly connected to the top of the second end clamping assembly. A tightening shaft is rotatably mounted on the end of the mounting base away from the second end clamping assembly. A ratchet and a first insertion hole are respectively provided at both ends of the tightening shaft. A pawl is rotatably mounted on the outer wall of the mounting base via a torsion spring shaft. The pawl cooperates with the ratchet. A cable fixing bolt is provided in the middle of the outer wall of the tightening shaft.

9. The assembled composite plate fixing device as described in claim 1, characterized in that, The outer wall of the supporting wooden pad is provided with a third rubber layer.

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