CN215631065U

CN215631065U - Precast beam convenient to equipment and preparation mould thereof

Info

Publication number: CN215631065U
Application number: CN202122311547.1U
Authority: CN
Inventors: 李华; 侯亚楠; 崔和平
Original assignee: Liaoning Longxing Environmental Protection Technology Co ltd
Current assignee: Liaoning Longxing Environmental Protection Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-25
Anticipated expiration: 2031-09-24

Abstract

The application relates to the technical field of building construction, in particular to a precast beam convenient to assemble and a preparation mould thereof. The utility model provides a precast beam convenient to equipment includes the roof beam body and extends the connecting reinforcement of roof beam body both sides, end to end connection between the adjacent roof beam body, is fixed with the grout sleeve that the opening orientation stretches out the side the same with connecting reinforcement on the connecting reinforcement, and the connecting reinforcement at roof beam body both ends can correspond to peg graft in the grout sleeve simultaneously. Then, at the head-tail connection part of the adjacent beam bodies, one side is provided with a plug connector, and the other side is provided with a socket groove which can be clamped with the plug connector. This application can be through in the socket joint with the bayonet joint, peg graft the joint reinforcement in corresponding grout sleeve, then utilize the concrete to grout and form an organic whole, accomplish the connection of adjacent precast beam. Simultaneously this application reduces trompil on precast beam, reserves the position of installation and concatenation when prefabricating for precast beam is convenient for assemble and use.

Description

Precast beam convenient to equipment and preparation mould thereof

Technical Field

The application relates to the technical field of building construction, in particular to a precast beam convenient to assemble and a preparation mould thereof.

Background

The precast beam is prefabricated by the building beam structure assembly, is transported to a construction position to be assembled and then is put into use, and can effectively improve the construction efficiency.

In the building construction process, the prefabricated beams which are prepared in a centralized mode are conveyed to the construction position, after the prefabricated beams are erected on the prefabricated columns, adjacent prefabricated beam groups are assembled, reinforcing steel bars between the adjacent prefabricated beams are overlapped in a staggered mode, the concrete is poured after the die is installed, and the prefabricated beams are assembled and built after being formed.

Aiming at the precast beams, the inventor finds that in the assembling process of the precast beams, a mold needs to be erected and then concrete is poured, so that the assembling process is complicated and the working procedures are complex. In view of the above problems, there is an urgent need for an improved design of the existing precast beam.

SUMMERY OF THE UTILITY MODEL

In order to improve the complicated problem of precast beam assembling in-process procedure, this application provides a precast beam convenient to equipment and preparation mould thereof.

First aspect, the application provides a precast beam convenient to equipment, adopts following technical scheme: a precast beam convenient to assemble comprises a beam body and connecting steel bars extending out of two sides of the beam body, wherein the beam body is connected end to end, the mounting positions of the connecting steel bars on the two sides of the beam body are staggered, a grouting sleeve is mounted on the beam body at a position corresponding to the connecting steel bar on the other side, and an opening of the grouting sleeve is arranged on the beam body; grout sleeve includes grout mouth and row's thick liquid mouth, grout mouth and row's thick liquid mouth extend to with the surface parallel and level of the roof beam body.

Through adopting above-mentioned technical scheme, in the assembling process of adjacent precast beam, wear to establish respectively in the grout sleeve that corresponds the position with the both sides connecting reinforcement of junction, then pour into the concrete from the grout mouth, the back is filled up with the roof beam seam of the surplus space in the grout sleeve and the adjacent roof beam body to the concrete, partly concrete overflows from the grout outlet, partly spills over from the roof beam seam department with roof beam body outer wall parallel and level, realized letting the connection between the adjacent roof beam body promptly after the concrete shaping.

Optionally, a wedge-shaped limiting block is installed at one end, far away from the opening, of the grouting sleeve, and along the direction in which the connecting steel bars enter, the space formed between the limiting block and the inner wall of the grouting sleeve is gradually reduced.

Through adopting above-mentioned technical scheme, in connecting reinforcement got into grout sleeve, connecting reinforcement's tip joint was between stopper and grout sleeve inner wall, made preliminary stable connection between two adjacent roof beam bodies together.

Optionally, one end of the beam body is provided with a plug-in connector, the plug-in connector is parallel to the outer wall of the beam body, and the perimeter of the cross section of the plug-in connector is smaller than that of the cross section of the outer wall of the beam body; the other end of the beam body is provided with a bearing slot, and the size of the bearing slot is matched with that of the plug connector.

Through adopting above-mentioned technical scheme, the junction is not only the connection between connecting reinforcement and the grout sleeve, and the bayonet joint of junction can peg graft in the socket slot simultaneously, makes the initial connection between two adjacent roof beams bodies more stable.

Optionally, the depth of the socket slot is greater than the protruding amount of the plug connector.

By adopting the technical scheme, the depth of the socket groove is larger than the extension amount of the plug connector, when the plug connector is plugged in the socket groove, a part of space in the socket groove is still vacant, the vacant space can be filled fully when concrete is poured, and the connection between two adjacent beam bodies is more stable after molding.

Optionally, the opening of the socket groove is set to be in the shape of a guide groove, the connecting portion of the plug connector and the beam body is provided with a chamfer, and the connecting portion of the plug connector and the guide groove of the socket groove can be attached together.

Through adopting above-mentioned technical scheme, the setting up of direction groove makes the area of connection between bayonet joint and the socket joint groove grow, and the in-process through two roof beam bodies of fixed shaping of concrete makes the connection between two roof beam bodies inseparabler.

In a second aspect, the present application provides a precast beam's preparation mould, adopts following technical scheme: the utility model provides a preparation mould of precast beam, includes the mould body, the mould body includes bottom surface template, grafting side form board, socket joint side form board and two separation templates, the grafting side form board with the socket joint side form board is installed the relative both sides of bottom surface template, two separation templates are installed respectively the other both sides of bottom surface template are connected between each template of the mould body.

Through adopting above-mentioned technical scheme, grafting side form, socket joint side form and two separation templates enclose to establish around the bottom surface template, constitute the specific inner space of mould jointly, through erectting reinforcing cage etc. in the specific inside of mould, then pour the shaping with the concrete, can realize the preparation of precast beam.

Optionally, after the inserting side template, the socket side template and the two separation templates are clamped in pairs through the L-shaped fixing plate, the fixing plate and the templates are fixed through bolts.

Through adopting above-mentioned technical scheme, can dismantle fixedly through fixed plate and bolt between the specific four lateral walls of mould, the preparation of the precast beam of being convenient for during fixed can dismantle the specific mould body after the precast beam shaping to take out the precast beam, made things convenient for the specific repeated reuse of mould.

Optionally, two groups of parallel through holes are formed in the end part, far away from the die body, of the splicing side die plate; and two groups of parallel through holes which are the same as the end parts of the inserting side templates in position are formed in the end parts of the inserting side templates.

Through adopting above-mentioned technical scheme, the through-hole on the grafting side form board is corresponding with the via hole position on the socket joint side form board, but sets up conversely through splice bar tip and the telescopic open-ended of grout for when adjacent roof beam body connects, the splice bar of junction all corresponds inside inserting the grout sleeve, accomplishes the connection of adjacent roof beam body.

Optionally, the splicing side template is provided with a cuboid hollow convex block, so that a convex space is formed in the space of the template body; the socket side die plate is provided with a cuboid concave block which is sunken towards the inner space of the die body.

By adopting the technical scheme, the hollow convex block on the inserting side template enables the inserting side end part of the prepared beam body to form the inserting head, and the concave block arranged on the inserting side template enables the inserting side end part of the prepared beam body to be formed with the inserting groove matched with the inserting head, so that the installation and splicing positions of the prefabricated beam are reserved when the prefabricated beam is prefabricated, and the prefabricated beam is convenient to assemble during construction.

Optionally, the edge of the opening of the concave block is provided with a guide groove, the position of the connection between the convex block and the template body on the splicing side template is set to be an arc structure matched with the guide groove, and meanwhile, the length of the concave block is larger than the elongation of the convex block.

Through adopting above-mentioned technical scheme, the setting up at the concrete both ends of pair of mould makes the roof beam body that obtains of preparation have bigger area of contact at the junction when the equipment, and the space of holding the slot simultaneously is greater than the bayonet joint, and the vacant space is filled with the concrete, and the connection of adjacent roof beam body is more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the adjacent beam bodies are connected end to end, the plug-in connector firstly enters the bearing slot, then the connecting steel bar enters the grouting sleeve, and when the connecting steel bar is clamped between the grouting sleeve and the limiting block, the plug-in connector is completely clamped in the bearing slot; then pouring concrete into the grouting sleeve from the grouting opening, and after the residual space in the grouting sleeve and the socket groove and the beam joint of the adjacent beam body are filled with the concrete, the redundant concrete overflows from the grout outlet and the beam joint outlet which is flush with the beam body; and stopping pouring the concrete, and finishing the assembly of the adjacent beam bodies after the concrete is solidified and molded.

2. Connecting the bottom template, the inserting side template, the socket side template and the two blocking templates in pairs by using a fixing plate and bolts to form a mold body with an opening at the top end; then erecting a reinforcement cage in the space of the die body, wherein connecting reinforcements extend from the inserting side die plate and the socket side die plate of the reinforcement cage, and the positions of the connecting reinforcements on the inserting side die plate and the socket side die plate are staggered; meanwhile, a grouting sleeve is fixed on the reinforcement cage, and an opening of the grouting sleeve corresponds to the residual openings on the inserting side template and the socket side template; then temporarily plugging a grouting opening and a grout discharging opening on the grouting sleeve, and filling the space of the mold body with concrete; and (5) after the concrete is formed, removing the mold body, and exposing the grouting opening and the slurry discharge opening to finish the preparation of the precast beam.

Drawings

Fig. 1 is a partially sectional view of a precast beam that facilitates assembly according to an embodiment of the present application.

Figure 2 is a partial cross-sectional view of a grout sleeve in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of an overall structure of a precast beam preparation mold according to an embodiment of the present application.

Description of reference numerals:

1. a beam body; 2. connecting reinforcing steel bars; 3. grouting a sleeve; 31. grouting ports; 32. a pulp discharge port; 33. a limiting block; 4. beam seams; 41. a plug-in connector; 42. a socket slot; 5. a bottom surface template; 6. inserting a side template; 61. a bump; 7. a female side template is inserted; 71. a concave block; 8. blocking the template; 9. a fixing plate; 10. and (4) a reinforcement cage.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses precast beam convenient to equipment.

As shown in figures 1 and 2, the precast beam convenient to assemble comprises a beam body 1 and connecting steel bars 2 extending to the outer side of the beam body 1, wherein a group of connecting steel bars 2 are arranged on two sides of the beam body 1, and the positions of the two groups of connecting steel bars 2 are in parallel dislocation. And a grouting sleeve 3 is installed at a position corresponding to the other side connecting reinforcement 2 on each side of the beam body 1, and a grouting port 31 and a grout discharging port 32 on the grouting sleeve 3 extend to expose the outer surface of the beam body 1 perpendicular to the grouting sleeve 3. When two adjacent precast girders are connected, the connection reinforcing steel 2 enters the inside of the space of the adjacent side grouting sleeve 3, thereby making the side walls of the adjacent girder bodies 1 close together. And (3) pouring concrete into the grouting opening 31, and filling the residual space in the grouting sleeve 3 and the gap between the two beam bodies 1 with the concrete, wherein one part of the concrete overflows from the grout outlet 32, and the other part of the concrete overflows from the beam gap 4, so that the adjacent beam bodies 1 are assembled and fixed.

Fixed mounting has a wedge stopper 33 on grout sleeve 3 keeps away from the open-ended inside wall, and stopper 33 and grout sleeve 3's inner wall forms a joint chamber, and 3 open-ended spaces of grout sleeve diminish gradually is kept away from in the joint chamber, and inside connecting reinforcement 2 got into adjacent side grout sleeve 3, connecting reinforcement 2's tip joint had played the effect of preliminary equipment location in the joint intracavity.

Because the area that connecting reinforcement 2 carried out the joint on grout sleeve 3 is less, and the quality of the roof beam body 1 is great, in order to make the stability of preliminary assembly higher, set up the both ends that the roof beam body 1 is used for connecting respectively. Wherein, one end is provided with a plug-in connector 41 with the outer wall parallel to the outer wall of the beam body 1, and the other end is provided with a socket groove 42 which can accommodate the plug-in connector 41. The degree of depth that holds slot 42 is greater than the extension length of bayonet joint 41 for when connecting reinforcement 2 joint is in grout sleeve 3, bayonet joint 41 joint makes adjacent roof beam body 1 preliminary assembly more stable in holding slot 42. The outer wall of the bearing slot 42 is provided with abdicating holes corresponding to the positions of the grout inlet 31 and the grout outlet 32 on the clamping joint, so that when the plug-in joint 41 is clamped in the bearing slot 42, the grout inlet 31 and the grout outlet 32 on the plug-in joint 41 can be exposed, and the subsequent concrete can be conveniently poured in. More concrete can be poured into the residual space in the bearing slot 42, so that the assembly of the beam joints 4 of the adjacent beam bodies 1 is more stable, the durability of the structure is improved, the process of adding a mould is omitted, and the construction time is effectively saved.

The opening of the socket groove 42 is set in the shape of a guide groove to guide the insertion of the plug 41. In order to enable the outer wall of the adjacent beam body 1 to be in smooth transition when the plug-in connector 41 is clamped on the socket groove 42, the annular connecting part of the plug-in connector 41 and the beam body 1 is provided with a chamfer, and the area of the annular connecting part is consistent with that of the guide groove of the socket groove 42 and can be completely attached together.

In the process of splicing adjacent beam bodies 1, the adjacent beam bodies 1 are connected end to end, the connecting plug 41 is moved and clamped into the socket slot 42 along the direction of assembling the prefabricated beam, and in the process, the connecting reinforcing steel bars 2 on two end faces of the joint enter the grouting sleeve 3. When the connecting steel bar 2 is clamped on the limiting block 33 on the grouting sleeve 3, the plug-in connectors 41 are also completely clamped in the bearing slots 42, and the primary assembly of the adjacent beam bodies 1 is completed. Then, concrete is poured into the grouting opening 31, after the remaining space in the grouting sleeve 3 and the remaining space in the socket groove 42 are filled with the concrete, a part of the concrete overflows from the grout outlet 32, and a part of the concrete overflows from the beam gap 4 connected with the bayonet joint 41 and the socket groove 42, so that the assembly and fixation of the adjacent beam bodies 1 are further completed. The assembling process reduces the processes of module installation and the like, saves the time for installing the precast beam, and simultaneously strengthens the connecting position by the concrete pouring and the connecting ribs.

The embodiment of the application also discloses a preparation mould of precast beam.

As shown in fig. 3, the preparation mold for the precast beam comprises a mold body, the mold body comprises a bottom surface template 5, an inserting side template 6, a socket side template 7 and two blocking templates 8, the inserting side template 6 and the socket side template 7 are fixed on two sides of the bottom surface template 5 in parallel, the two blocking templates 8 are also respectively installed on two opposite sides of the bottom surface template 5, and the two blocking templates 8 are positioned between the inserting side template 6 and the socket side template 7 at intervals. After the adjacent templates are clamped and limited by the L-shaped fixing plates 9, the fixing plates 9 and the templates are fixed by bolts, and the bolts do not penetrate through the templates to keep the integrity of the inner walls of the templates.

The splicing side template 6 is provided with a hollow convex block 61 in a cuboid shape, so that a convex space is formed in the space of the template body, two groups of parallel round holes are formed in the end part far away from the template body, and the end part of the connecting steel bar 2 extending out of the steel bar cage 10 and the opening of the grouting sleeve 3 can be exposed respectively.

The socket side die plate 7 is provided with a concave block 71 which protrudes into the inner space of the die body to form a cuboid shape, the opening edge of the concave block 71 is provided with a guide groove, the position of the convex block 61 on the socket side die plate 6, which is connected with the die body, is set to be an arc structure which is adaptive to the guide groove, and meanwhile, the length of the concave block 71 is larger than the extension of the convex block 61. The end part of the concave block 71 facing the mould body is provided with two groups of parallel round holes, so that the connecting steel bars 2 extending from the steel bar cage 10 to one side of the socket side template 7 and the opening of the grouting sleeve 3 can be respectively exposed, the position of the end part of the connecting steel bars 2 on the socket side template 7 corresponds to the position of the opening of the grouting sleeve 3 on the plug side template 6, the position of the opening of the grouting sleeve 3 on the socket side template 7 corresponds to the position of the end part of the connecting steel bars 2 on the plug side template 6, and the connecting steel bars 2 on the adjacent formed precast beams can be correspondingly plugged in the grouting sleeve 3 to complete the assembly.

In the preparation process of precast beam, build steel reinforcement cage 10 in the cavity of the mould body earlier, connecting reinforcement 2 exposes from the round hole that corresponds respectively, then welds grout sleeve 3 on steel reinforcement cage 10, makes the opening of grout sleeve 3 correspond corresponding template round hole, and grout mouth 31 and the row's of grout sleeve 3 mouth 32 are perpendicular to grout sleeve 3 and extend to the surface that exposes the mould body simultaneously, and is as high as the opening that the lateral wall formed. The method comprises the steps of temporarily plugging the openings of the grouting opening 31 and the grout discharging opening 32 before pouring concrete, then pouring concrete, taking down a mold after the concrete is vibrated to be densely molded, and exposing the openings of the grouting opening 31 and the grout discharging opening 32 to obtain the required precast beam.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The utility model provides a precast beam convenient to equipment, includes the roof beam body (1) and extends connecting reinforcement (2) of roof beam body (1) both sides, the roof beam body (1) is through end to end, its characterized in that: the mounting positions of the connecting steel bars (2) on two sides of the beam body (1) are staggered, grouting sleeves (3) are mounted on the beam body (1) corresponding to the connecting steel bars (2) on the other side, and openings of the grouting sleeves (3) are arranged on the beam body (1); grout sleeve (3) including grout mouth (31) and row's grout mouth (32), grout mouth (31) and row's grout mouth (32) extend to with the surface parallel and level of roof beam body (1).

2. The precast beam convenient to assemble of claim 1, wherein: the one end that grout sleeve (3) kept away from the open-ended is installed wedge stopper (33), and along the direction that connecting reinforcement (2) got into, the space that forms between stopper (33) and grout sleeve (3) inner wall diminishes gradually.

3. The precast beam convenient to assemble of claim 1, wherein: one end of the beam body (1) is provided with a plug-in connector (41), the plug-in connector (41) is parallel to the outer wall of the beam body (1), and the section perimeter of the plug-in connector (41) is smaller than that of the outer wall of the beam body (1); the other end of the beam body (1) is provided with a bearing slot (42), and the size of the bearing slot (42) is matched with that of the plug-in connector (41).

4. A precast beam convenient to assemble according to claim 3, wherein: the depth of the socket groove (42) is larger than the protruding amount of the plug connector (41).

5. An easy-to-assemble precast beam according to claim 3 or 4, wherein: the opening of the socket groove (42) is set to be in the shape of a guide groove, the connecting part of the plug connector (41) and the beam body (1) is provided with a chamfer, and the connecting part of the plug connector (41) and the guide groove of the socket groove (42) can be attached together.

6. A mold for manufacturing a precast beam convenient to assemble according to any one of claims 1 to 5, comprising a mold body, wherein: the mould body includes bottom surface template (5), grafting side form board (6), socket joint side form board (7) and two separation templates (8), grafting side form board (6) with socket joint side form board (7) are installed the relative both sides of bottom surface template (5), two separation templates (8) are installed respectively the other both sides of bottom surface template (5) are connected between each template of the mould body.

7. The precast beam preparation mold according to claim 6, wherein: and after the splicing side template (6), the socket side template (7) and the two separation templates (8) are clamped in pairs through the L-shaped fixing plate (9), the fixing plate (9) and the templates are fixed by bolts.

8. The precast beam preparation mold according to claim 6, wherein: the end part of the splicing side template (6) far away from the mould body is provided with two groups of parallel through holes; two groups of parallel through holes which are the same as the end parts of the inserting side templates (6) in position are formed in the end parts of the inserting side templates (7).

9. The precast beam preparation mold according to claim 6, wherein: the splicing side template (6) is provided with a cuboid hollow convex block (61) so that a convex space is formed in the space of the template body; the socket side die plate (7) is provided with a cuboid concave block (71) which is sunken towards the inner space of the die body.

10. The precast beam preparation mold of claim 9, wherein: the edge of the opening of the concave block (71) is provided with a guide groove, the position of the connection between the convex block (61) and the template body on the splicing side template (6) is set to be an arc structure matched with the guide groove, and meanwhile, the length of the concave block (71) is larger than the extension of the convex block (61).