Precast beam with tensioning structure

Abstract

The precast beam with the tensioning structure comprises a shell, a tensioning assembly, a containing cavity and a tensioning piece, the tensioning assembly is arranged in a first containing space, and the tensioning piece penetrates through a first opening and a second opening of the tensioning assembly to enter the containing cavity and then penetrates out of the shell from the containing cavity to the adjacent precast beam. Two adjacent precast beams can be tensioned by the aid of the tensioning part, and due to the fact that the tensioning part penetrates through the two openings of the tensioning assembly and the containing cavity, the tensioning effect of the tensioning part is better, the stability degree is higher, it can be better guaranteed that the two adjacent precast beams can be more stable when combined pouring is conducted, the pouring effect is better, and the pouring efficiency is improved. And meanwhile, the tensioning pieces can also avoid the situation that the two adjacent precast beams move relatively during pouring, then the situation that the precast beams are broken due to pouring dislocation or collision occurs, then pouring combination of the precast beams is affected, and the construction progress of the whole bridge floor or road surface is affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to precast beam technical field especially is related to a precast beam with tension structure. BACKGROUND

[0002] With the continuous development of science and technology, different facilities for life structure emerge as the times require. In the field of construction, there is a precast beam, which is a beam with certain size, shape and performance made in the production place. Generally, it is made by first making a template, then pouring concrete in the template, taking it out after curing, processing and adjusting, and then transporting to the construction site for use. Due to the use of precast beam technology, the processing precision and quality stability of the component can be improved, so as to ensure the construction quality of the project.

[0003] However, when the existing precast beam is connected and combined, the adjacent two precast beams often move relative to each other during pouring, which may cause accidents and affect the construction progress of the entire bridge deck or road surface. SUMMARY

[0004] The utility model discloses a precast beam with tension structure, which is more stable during precast beam combining and pouring, and ensures the construction progress of the entire bridge deck or road surface.

[0005] The utility model discloses a precast beam with tension structure, which is more stable during precast beam combining and pouring, and ensures the construction progress of the entire bridge deck or road surface.

[0006] A precast beam with tension structure, characterized by: comprising: a shell, the shell is provided with a first containing space; a tension assembly, the tension assembly is arranged in the first containing space, and the tension assembly is provided with a first opening and a second opening; a containing cavity, the containing cavity with upward opening is arranged on the side of the shell close to the tension assembly, and the containing cavity is communicated with the second opening; a tension piece, the tension piece passes through the first opening and the second opening into the containing cavity, and then passes out of the shell from the containing cavity to the adjacent precast beam.

[0007] Compared with the prior art, the technical effects achieved by adopting the technical scheme are: the tensioning assembly is arranged in the first containing space, and the tensioning member passes through the first opening and the second opening arranged on the tensioning assembly and then passes through the accommodating cavity to the adjacent precast beam, so that the two adjacent precast beams can be pulled tight by the tensioning member, and the tensioning effect of the tensioning member is better and the stability is higher, so that the two adjacent precast beams can be more stable during combined pouring, and the pouring effect is better, and the tensioning member can also avoid relative movement of the two adjacent precast beams during pouring, so that pouring misalignment or collision and fragmentation are avoided, and the combined pouring of the precast beams is affected, thereby affecting the construction progress of the entire bridge deck or road surface.

[0008] In an example of the utility model, the tensioning assembly has a plurality of tensioning assemblies, and the plurality of tensioning assemblies are arranged at intervals in the first containing space; the tensioning member has a plurality of tensioning members, and each tensioning member corresponds to a tensioning assembly.

[0009] Compared with the prior art, the technical effects achieved by adopting the technical scheme are: by arranging a plurality of tensioning assemblies and a plurality of tensioning members for tensioning and fixing, the arrangement of the plurality of tensioning assemblies makes it more convenient and faster to tension and fix the two adjacent precast beams, and the tensioning effect is also more stable, the arrangement of the plurality of tensioning members makes the two precast beams not move relatively during tensioning and fixing, thereby ensuring that the adjacent precast beams do not move accidentally during pouring and improving the stability and convenience of pouring; the tensioning assembly and the tensioning member form a tensioning structure.

[0010] In an example of the utility model, the tensioning assembly further comprises a first fixing member, the first fixing member is connected to the bottom plate and the inner wall of the side plate of the shell, and a first containing cavity is arranged in the first fixing member, the first containing cavity is communicated with the first opening and the second opening; the tensioning member passes through the first opening, the first containing cavity and the second opening in sequence.

[0011] Compared with the prior art, the technical effects achieved by adopting the technical scheme are: because the first containing cavity in the first fixing member is communicated with the first opening and the second opening, the tensioning member passes through the two openings in sequence, so that the restriction and tensioning effect of the tensioning member on the entire precast beam are better, and the tensioning member is more fitted to the precast beam itself, thereby preventing the two adjacent precast beams from moving relatively after the tensioning member is tensioned, and making the subsequent pouring and butt joint more stable.

[0012] In an example of the utility model, the tensioning assembly further comprises: a first recess, and the first recess is arranged at the top of the first opening of the first fixing member.

[0013] Compared with the prior art, the technical effects reached by adopting the technical scheme are: the first sink is arranged on the first fixing member, the first sink is arranged at the top of the first opening of the first fixing member, and the tensioning member passing through the first opening can also be protected, so that when the adjacent precast beams are butt-jointed and poured, the tensioning member can more stably provide tension, and the tensioning member is prevented from failing to provide tension due to problems, so that accidents are avoided.

[0014] In an example of the utility model, the tensioning assembly further comprises: the tensioning assembly is provided with a first surface; the first surface is arranged to be inclined along the direction from the first opening to the second opening.

[0015] Compared with the prior art, the technical effects reached by adopting the technical scheme are: the first surface is arranged on the tensioning assembly, and the first surface is inclined from the first opening to the second opening, so that the tensioning member can be more closely fitted after passing through the first opening and the second opening, and the inclined arrangement can also better provide supporting force, so that the tensioning of the tensioning member is more stable, and the two adjacent precast beams are prevented from moving relative to each other when butt-jointed and poured, and accidents are avoided.

[0016] In an example of the utility model, the first accommodating cavity and the first surface are arranged in parallel.

[0017] Compared with the prior art, the technical effects reached by adopting the technical scheme are: the first accommodating cavity is arranged in parallel with the first surface, so that the part of the tensioning member accommodated in the first accommodating cavity can be better supported and provided with upward supporting force, the tensioning effect of the tensioning member on the precast beam is better guaranteed, and the stability of tensioning is improved.

[0018] In an example of the utility model, the horizontal cross-sectional shape of the tensioning assembly is a triangle, the first surface is a hypotenuse of the triangle, and the first opening and the second opening are arranged on two straight sides of the tensioning assembly.

[0019] Compared with the prior art, the technical effects reached by adopting the technical scheme are: the tensioning assembly is arranged in a triangular shape, the triangular arrangement not only saves raw materials, but also makes the hypotenuse better support the tensioning member, so that the tensioning member can better tension the precast beam, the tensioning between the adjacent precast beams is more compact, and the two precast beams cannot move relative to each other, so that accidents are avoided.

[0020] In an example of the utility model, the tensioning assembly further comprises: a through slot, the through slot is arranged on one side close to the second opening; and the through slot is connected with the outside, the accommodating cavity and the first accommodating cavity.

[0021] Compared with the prior art, the technical effects reached by adopting the technical scheme are: by arranging the through groove on the side close to the second opening, it can be seen through the through groove whether the tensioning piece reaches the second opening, and the tensioning piece can be pulled and adjusted through the through groove, so that the tensioning process of the tensioning piece is more convenient and intuitive, and the overall construction efficiency is improved.

[0022] After adopting the technical scheme of the utility model, the following technical effects can be achieved:

[0023] (1) By arranging the tensioning assembly in the first accommodating space, and by arranging the tensioning piece to pass through the first opening and the second opening arranged on the tensioning assembly and then to pass through the accommodating cavity and out of the prefabricated beam to the adjacent prefabricated beam, the two adjacent prefabricated beams can be pulled tightly by the tensioning piece, and the tensioning effect of the tensioning piece is better and the stability is higher, so that the two adjacent prefabricated beams can be more stable during combined pouring, and the pouring effect is better, and the tensioning piece can also avoid the relative movement of the two adjacent prefabricated beams during pouring, so that pouring misalignment or collision leading to fragmentation does not occur, and the pouring combination of the prefabricated beam is affected, thereby affecting the construction progress of the entire bridge deck or road surface.

[0024] (2) By arranging multiple tensioning assemblies and multiple tensioning pieces for tensioning and fixing, the arrangement of the multiple tensioning assemblies makes the tensioning and fixing of the two adjacent prefabricated beams more convenient and fast, and the tensioning effect is also more stable, and the arrangement of the multiple tensioning pieces makes the two prefabricated beams not move relatively during tensioning and fixing, thereby ensuring that the adjacent prefabricated beams do not have accidents during pouring, and improving the stability and convenience of pouring.

[0025] (3) By arranging the tensioning assembly in a triangular shape, the triangular arrangement not only saves raw materials, but also makes the hypotenuse better support the tensioning piece, so that the tensioning piece can better tension the prefabricated beam, and the tensioning between the adjacent prefabricated beams is more compact, so that they do not move relative to each other, thereby avoiding accidents and damage. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of an embodiment of the utility model;

[0027] Figure 2 is a structural schematic view of another embodiment of the utility model;

[0028] Figure 3 is a structural schematic view of a third embodiment of the utility model;

[0029] Figure 4For Figure 3 Enlarged view of the area A in the middle;

[0030] Figure 5 For Figure 1 Horizontal sectional view;

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 100, prefabricated beam with tensioning structure; 110, shell; 111, first accommodating space; 120, tensioning assembly; 121, first opening; 122, second opening; 123, first fixing piece; 124, first accommodating cavity; 125, first sink groove; 126, first surface; 130, accommodating cavity; 140, through slot; 150, tensioning piece. DETAILED DESCRIPTION

[0033] The utility model will be further explained in detail in combination with the drawings and examples.

[0034] Referring to Figures 1-5 A prefabricated beam with tensioning structure 100 comprises a shell 110, the shell 110 is provided with a first accommodating space 111; a tensioning assembly 120, the tensioning assembly 120 is arranged in the first accommodating space 111, and the tensioning assembly 120 is provided with a first opening 121 and a second opening 122; an accommodating cavity 130, the upwardly open accommodating cavity 130 is arranged on the side of the shell 110 close to the tensioning assembly 120, and the accommodating cavity 130 is communicated with the second opening 122; a tensioning piece 150, the tensioning piece 150 enters the accommodating cavity 130 through the first opening 121 and the second opening 122, and then passes out of the shell 110 to the adjacent prefabricated beam from the accommodating cavity 130.

[0035] Specifically, when prefabricated beams of a bridge are spliced, the tensioning piece 150 is first inserted into the first accommodating cavity 124 from the first opening 121 and then passes out of the second opening 122, wherein the tensioning piece 150 can be pulled out of the first accommodating cavity 124 with the help of the through slot 140.

[0036] Further, the tensioning piece 150 passing out of the second opening 122 of the tensioning assembly 120 is pulled into the accommodating cavity 130 of the shell 110 and then passes out of the outlet of the accommodating cavity 130, and then the tensioning piece 150 is inserted into the first opening 121 of the tensioning assembly 120 of the adjacent prefabricated beam, and the above process is repeated to complete the tensioning and fixing between the adjacent prefabricated beams, facilitating pouring.

[0037] Further, the tensioning member 150 is a tensioning rope. After pouring at the splicing position of the adjacent precast beams, the tensioning assembly 120 is poured by pouring. For example, in the actual installation process of the tensioning member 150, one end of the tensioning rope can be fixed on any one of the two precast beams arranged adjacent to each other, which is specifically that the end of the tensioning rope is fixed in the first opening 121 of the precast beam by concrete pouring, and the other end of the tensioning rope is also fixed by concrete pouring after extending into the other of the two precast beams arranged adjacent to each other, thereby ensuring that the two precast beams arranged adjacent to each other remain relatively stable under the tensioning effect of the tensioning rope during pouring between the two precast beams arranged adjacent to each other.

[0038] Preferably, the tensioning assembly 120 is arranged in the first accommodating space 111, and the tensioning member 150 passes through the first opening 121 and the second opening 122 arranged on the tensioning assembly 120, and then passes through the accommodating cavity 130 and extends out of the precast beam to the adjacent precast beam, so that the two adjacent precast beams can be tensioned by the tensioning member 150, and the tensioning effect of the tensioning member 150 is better and more stable due to passing through the two openings of the tensioning assembly 120 and the accommodating cavity 130, which can better ensure that the two adjacent precast beams are more stable during pouring, and the tensioning member 150 can also avoid relative movement of the two adjacent precast beams during pouring, thereby avoiding pouring misalignment or collision to cause fragmentation, thereby affecting the pouring and merging of the precast beams and affecting the construction progress of the entire bridge deck or road surface.

[0039] Specifically, the tensioning assembly 120 is multiple, and the multiple tensioning assemblies 120 are arranged at intervals in the first accommodating space 111; the tensioning member 150 is multiple, and each tensioning member 150 corresponds to one tensioning assembly 120.

[0040] Preferably, multiple tensioning assemblies 120 are arranged, and multiple tensioning members 150 are arranged for tensioning and fixing, so that the two adjacent precast beams are more convenient and faster during tensioning and fixing, and the tensioning effect is more stable, and the multiple tensioning members 150 can prevent the two precast beams from moving relative to each other during tensioning and fixing, thereby preventing accidents during pouring of the adjacent precast beams.

[0041] Specifically, the tensioning assembly 120 further comprises a first fixing member 123 connected to the bottom plate and the inner wall of the side plate of the shell 110, and a first accommodating cavity 124 is arranged in the first fixing member 123, and the first accommodating cavity 124 is communicated with the first opening 121 and the second opening 122; the tensioning member 150 sequentially passes through the first opening 121, the first accommodating cavity 124 and the second opening 122.

[0042] Preferably, since the first accommodating cavity 124 in the first fixing member 123 communicates the first opening 121 and the second opening 122, the tensioning member 150 passes through the two openings in sequence, so that the tensioning member 150 has better restriction and tensioning effect on the whole prefabricated beam, and is more fitted to the prefabricated beam itself, and then the two adjacent prefabricated beams will not move relatively after the tensioning member 150 is tensioned.

[0043] Specifically, the tensioning assembly 120 further comprises a first sink groove 125, and the first sink groove 125 is arranged at the top of the first opening 121 of the first fixing member 123.

[0044] Preferably, by arranging the first sink groove 125 on the first fixing member 123, and arranging the first sink groove 125 at the top of the first opening 121 of the first fixing member 123, the tensioning member 150 passing through the first opening 121 can also be protected, so that the tensioning member 150 can provide tensioning force more stably when the adjacent prefabricated beams are butt-jointed and poured, and problems of the tensioning member 150 are avoided to cause tensioning failure and accidents.

[0045] Specifically, the tensioning assembly 120 further comprises a first face 126, and the first face 126 is arranged in an inclined manner along the direction from the first opening 121 to the second opening 122.

[0046] Preferably, by arranging the first face 126 on the tensioning assembly 120, and arranging the first face 126 in an inclined manner along the direction from the first opening 121 to the second opening 122, the tensioning member 150 can be more fitted after passing through the first opening 121 and the second opening 122, and the inclined arrangement can also provide better supporting force to ensure that the tensioning of the tensioning member 150 is more stable, so that the two adjacent prefabricated beams will not move relatively when butt-jointed and poured, and accidents are avoided.

[0047] Specifically, the first accommodating cavity 124 and the first face 126 are arranged in parallel.

[0048] Preferably, by arranging the first accommodating cavity 124 and the first face 126 in parallel, the part of the tensioning member 150 accommodated in the first accommodating cavity 124 can be better supported and provided with upward supporting force, so that the tensioning effect of the tensioning member 150 on the prefabricated beam is better ensured, and the stability of tensioning is improved.

[0049] Specifically, the horizontal cross-sectional shape of the tensioning assembly 120 is a triangle, the first face 126 is a hypotenuse of the triangle, and the first opening 121 and the second opening 122 are arranged on two straight sides of the tensioning assembly 120, respectively.

[0050] Preferably, by setting the tensioning assembly 120 as a triangle, the triangle setting not only saves raw materials, so that the overall cost is lower, but also makes the hypotenuse better support the tensioning piece 150, so that the tensioning piece 150 can better tension the precast beam, and then make the tension between adjacent precast beams more closely, so that the mutual movement between the two does not occur, thereby avoiding the occurrence of accidents resulting in damage.

[0051] Specifically, the tensioning assembly 120 further comprises: a through slot 140, which is arranged on one side close to the second opening 122; the through slot 140 is communicated with the outside, the accommodating cavity 130 and the first accommodating cavity 124.

[0052] Preferably, by setting the through slot 140 on one side close to the second opening 122, it can be directly observed through the through slot 140 whether the tensioning piece 150 reaches the second opening 122, and the tensioning piece 150 can be pulled and adjusted by means of the through slot 140, so that the tensioning process of the tensioning piece 150 is more convenient and intuitive, and the overall construction efficiency is improved.

[0053] Although the utility model discloses as above, the utility model is not limited to this. Any person skilled in the art, without departing from the spirit and scope of the utility model, can make various changes and modifications, therefore the protection scope of the utility model should be the range limited by the claims.

Claims

1. A precast beam having a tensioned structure, characterized by: The utility model relates to a prefabricated beam tensioning device, including: The shell is equipped with the first accommodating space, the tensioning assembly is equipped in the first accommodating space, and the tensioning assembly is equipped with the first opening and the second opening, the upwardly open accommodating cavity is equipped in the side of the shell close to the tensioning assembly, and the accommodating cavity is communicated with the second opening, the tensioning piece passes through the first opening and the second opening and enters the accommodating cavity, and then passes out from the accommodating cavity to the adjacent prefabricated beam.

2. The precast beam with tensioned structure according to claim 1, characterized in that: The tensioning assembly has multiple, and multiple tensioning assemblies are arranged at intervals in the first accommodating space, and the tensioning piece has multiple, and each tensioning piece corresponds to a tensioning assembly.

3. The precast beam with tensioned structure according to claim 1, wherein: The tensioning assembly further includes the first fixed part, the first fixed part connects the bottom plate and the inner wall of the side plate of the shell, and the first accommodating cavity is arranged in the first fixed part, the first accommodating cavity is communicated with the first opening and the second opening, and the tensioning piece sequentially passes through the first opening, the first accommodating cavity and the second opening.

4. The precast beam with tensioned structure according to claim 2, wherein: The tensioning assembly further includes the first sunken groove, and the first sunken groove is arranged at the top of the first opening of the first fixed part.

5. The precast beam with tensioned structure according to claim 2, wherein: The tensioning assembly further includes the first face, and the first face is arranged in the direction of the first opening to the second opening.

6. The precast beam with tensioned structure according to claim 5, characterized in that: The first accommodating cavity and the first face are arranged in parallel.

7. The precast beam with tensioned structure according to claim 5, characterized in that: The horizontal section shape of the tensioning assembly is triangular, the first face is the hypotenuse of the triangle, and the first opening and the second opening are arranged on two right-angle sides of the tensioning assembly.

8. The precast beam with tensioned structure according to claim 2, wherein: The tensioning assembly further includes the through groove, and the through groove is arranged on the side close to the second opening. The through groove is communicated with the outside, the accommodating cavity and the first accommodating cavity.

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