Combined type prefabricated crown beam for supporting

Abstract

The utility model relates to the technical field of water conservancy support, and particularly discloses a combined type prefabricated top beam for support, which comprises a plurality of top beams in lap joint in sequence, the top beams are arranged in a Z shape, one end of each top beam is provided with a first lap joint portion, and the other end of each top beam is provided with a second lap joint portion matched with the first lap joint portion. An upper connecting opening is formed in the first lap joint part, a lower connecting opening corresponding to the upper connecting opening is formed in the second lap joint part, a plurality of grouting openings are formed in the upper end of the top beam, supporting pile mounting grooves communicated with the grouting openings are formed in the bottom of the top beam, and greening grooves are formed in the grouting openings. Effective connection of the prefabricated top beams can be achieved under the condition that the supporting piles are connected at different angles, continuity of the top beams is guaranteed, the prefabricated top beams can meet the requirement for top beam connection of various supporting piles in rivers, mountains and the like at different angles, especially in projects with poor safety such as high suspension, the retaining wall can be beautified through the assembly type greening groove design, and the construction cost is reduced. The environment is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy support technical field, especially in combination formula support with prefabricated crown beam. BACKGROUND

[0002] Supporting piles or supporting walls are usually used in the field of water conservancy support and soil retaining support, and the supporting piles or supporting walls are usually connected by crown beams, which are continuous supporting top prefabricated crown beams using straight plate piles, U-shaped plate piles, wave-shaped plate piles, etc.

[0003] Through the search, the Chinese utility model patent with patent application number CN202320993590.7 discloses an ecological slope protection structure using U-shaped sheet piles, which comprises a U-shaped sheet pile and a prefabricated concrete crown beam. The prefabricated concrete crown beam is arranged on the top of the U-shaped sheet pile. The prefabricated concrete crown beam comprises a prefabricated crown beam body and a prefabricated closure assembly. The bottom of the prefabricated crown beam body is horizontally provided with a mounting groove. The top of the U-shaped sheet pile is inserted and matched with the mounting groove. The top of the prefabricated crown beam body is provided with a pouring opening. The two ends of the prefabricated crown beam body are respectively provided with a first connecting part and a second connecting part. The first connecting part of the prefabricated crown beam body is detachably installed on the second connecting part of another prefabricated crown beam body. The prefabricated closure assembly comprises a first seal and a second seal. The first seal is detachably installed on the first connecting part, and the second seal is detachably installed on the second connecting part. The utility model has the effects of simplifying the process of setting the concrete crown beam on the top of the U-shaped sheet pile and shortening the construction period.

[0004] The existing ecological slope protection structure can meet the basic use requirements and can be used for riverbank protection, but it still has the following shortcomings to some extent: 1. The crown beam form does not consider that when the supporting piles are connected at a large angle, the connection between the crown beams is not firm due to the limited groove space, and from the appearance, it is easy to appear the actual situation that the crown beam connection is not coherent. 2. The problem of wet connection formwork support between the crown beam and the supporting pile is not considered. In reality, it is very common for supporting piles to appear in rivers or high suspension situations. On-site formwork is a difficult problem to handle, and more safety measures and higher measure costs are required. 3. The grouting port is too few, which is easy to appear the problem of insufficient grouting and void, especially at the top of the crown beam groove. 4. The connection and style of the green channel are not considered, which is not conducive to the actual needs of greening ecology. 5. The effective wet connection problem between the crown beams is not considered. UTILITY MODEL CONTENTS

[0005] The utility model wants to solve the technical problem in view at the above -mentioned defect, provide a combination formula support with prefabricated crown beam, can realize the effective connection of prefabricated crown beam under the condition that support pile is connected at different angles, guarantee the continuity of crown beam, can adapt to the crown beam connection needs of various support piles in different angles river channel, mountain body etc., especially in the project of poor safety such as high suspension, the design of assembled green groove can beautify retaining wall, green environmental protection.

[0006] In order to solve the above technical problem, the technical scheme of the utility model is:

[0007] A combination formula support with prefabricated crown beam, including a plurality of crown beams of lap joint, the crown beam is Z type setting, one end of the crown beam is provided with first lap joint, the other end of the crown beam is provided with the second lap joint of the first lap joint adaptation, the first lap joint is set up with the upper connecting mouth on, the second lap joint is set up with the lower connecting mouth corresponding with the upper connecting mouth, the upper end of the crown beam is set up with a plurality of grouting mouth, the bottom of the crown beam is set up with the support pile installation groove of grouting mouth intercommunication, the grouting mouth is installed with green groove.

[0008] Preferably, the bottom of the green groove is provided with a plurality of plug-in pins matched with the grouting mouth, and the plug-in pins are inserted into the grouting mouth.

[0009] Preferably, the grouting mouth includes a first grouting mouth, a second grouting mouth, a third grouting mouth and a fourth grouting mouth arranged in sequence with the vertices of a rectangle.

[0010] Preferably, the side surface of the crown beam is provided with a plurality of formwork accessories, and the formwork accessories are one of an inclined angle UHPC formwork, an inclined angle steel formwork, a right angle UHPC formwork and a right angle steel formwork.

[0011] Preferably, the formwork accessories are symmetrically arranged on the side surface of the crown beam and connected to the crown beam by screws.

[0012] Preferably, the inclined angle UHPC formwork, the inclined angle steel formwork, the right angle UHPC formwork and the right angle steel formwork are all provided with a plurality of screw through holes.

[0013] The utility model discloses a prefabricated crown beam for combined support has the following beneficial effects: the prefabricated crown beam for combined support is set up in Z type, and the connection between crown beams is through the mode of one by one, and the upper and lower connecting ports are left on the part of leaning, and after leaning, the pouring connection of reinforcing steel and concrete can be carried out, the size of the connecting port is reserved larger, and the upper and lower connection under the condition of larger angle position deviation is allowed, and the problem that the lower support pile is not connected firmly when the connection angle is too large is solved, the close connection and coherence of the crown beam are guaranteed, the rationality of the grouting port is improved, and the compactness of the wet connection between the prefabricated crown beam and the support pile is fully considered, and the top of the crown beam is equipped with a greening groove, and the actual demand of ecology and greening beauty is satisfied. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the perspective view of the embodiment one of the utility model;

[0015] Figure 2 It is the perspective view of the embodiment two of the utility model;

[0016] Figure 3 It is the exploded view of the utility model;

[0017] Figure 4 It is the exploded view of another angle of the utility model;

[0018] In the drawing, 1-crown beam, 2-first lap joint part, 3-second lap joint part, 4-upper connecting port, 5-lower connecting port, 6-grouting port, 7-support pile installation groove, 8-greening groove, 9-latch, 10-first grouting port, 11-second grouting port, 12-third grouting port, 13-fourth grouting port, 14-bevelled UHPC template, 15-bevelled steel template, 16-right-angle UHPC template, 17-right-angle steel template, 18-screw through hole. DETAILED DESCRIPTION

[0019] The specific embodiment of the utility model is further explained below in combination with the drawings. It needs to be explained here that the explanation of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" "internal", "external", "clockwise", "counterclockwise", "axial", "radial", "circumferential" orientation or positional relationship indicated in the drawing is based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore can not be understood as limiting the utility model.

[0021] In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0022] As Figures 1-4 As shown in the figure, the combined support prefabricated crown beam includes a plurality of sequentially lapped crown beams 1, the crown beam 1 is arranged in Z type, one end of the crown beam 1 is provided with the first lapping part 2, the other end of the crown beam 1 is provided with the second lapping part 3 matched with the first lapping part 2, the first lapping part 2 is provided with the upper connecting port 4, the second lapping part 3 is provided with the lower connecting port 5 corresponding to the upper connecting port 4, the upper end of the crown beam 1 is provided with a plurality of grouting ports 6, the bottom of the crown beam 1 is provided with the support pile installation groove 7 communicated with the grouting port 6, and the grouting port 6 is provided with the greening groove 8. It can be understood that the utility model can realize the effective connection of the prefabricated crown beam under the condition that the support pile and the support pile are connected at different angles, ensure the continuity of the crown beam, effectively solve the problem of close connection between the crown beams, improve the rationality of the grouting port 6, fully consider the compactness of the wet connection between the prefabricated crown beam and the support pile, the prefabricated crown beam top is matched with the greening groove 8, and the actual needs of ecology and greening beauty are met.

[0023] Specifically, the bottom of the green groove 8 is provided with a plurality of plugs 9 matched with the grouting port, and the plugs 9 are inserted into the grouting port 6; the grouting port 6 comprises a first grouting port 10, a second grouting port 11, a third grouting port 12 and a fourth grouting port 13 arranged in sequence at the vertices of a rectangle; the side surface of the crown beam 1 is provided with a plurality of formwork accessories, which are one of an inclined angle UHPC formwork, an inclined angle steel formwork, a right angle UHPC formwork and a right angle steel formwork, and are used for fixedly connecting with the supporting pile; the formwork accessories are symmetrically arranged on the side surface of the crown beam 1 and connected with the crown beam 1 through screws, and a plurality of screw through holes 18 are formed in the inclined angle UHPC formwork 14, the inclined angle steel formwork 15, the right angle UHPC formwork 16 and the right angle steel formwork 17. It can be understood that the prefabricated segmented combined steel formwork (or UHPC) component is used as the formwork accessory, is installed in advance at the prefabricated crown beam and is simply connected with the supporting pile, so that the labor intensity of workers in the field and the measure cost are greatly reduced.

[0024] It can be understood that the combined prefabricated crown beam for supporting has the following advantages:

[0025] 1. The combined prefabricated crown beam for supporting has a Z-shaped side appearance, the connection between the crown beams 1 is achieved through one on another, meanwhile, a connecting port is left above and below the abutting part, and after abutting, the grouting and connection of steel bars and concrete can be achieved, the size of the connecting port is reserved to be large, the up and down connection in the case of large angle position deviation is allowed, and meanwhile, the continuity of the crown beam when the connecting angle of the lower supporting pile is too large is ensured.

[0026] 2. The prefabricated segmented combined steel formwork (or UHPC) component is used as the formwork accessory, is installed in advance at the prefabricated crown beam and is simply connected with the supporting pile, so that the labor intensity of workers in the field and the measure cost are greatly reduced. The steel formwork can be repeatedly used, and the UHPC component can be integrated with the cast-in-place concrete to serve as a formwork and an outer facade.

[0027] 3. The rationality of the grouting port is improved, the compactness of the wet connection between the prefabricated crown beam and the supporting pile is fully considered, a green groove capable of being connected and assembled is designed at the top, the green groove is made of UHPC or concrete structure, the bottom of the green groove is designed with a plug matched with the top grouting port of the crown beam, the green groove is placed after the completion of the concrete grouting of the crown beam, so that the wet connection of the green groove and the crown beam is realized, and the crown beam forms an integral whole, green crops are planted, and the retaining wall is beautified. This belongs to an optional accessory and is irrelevant to the mechanical properties of the crown beam.

[0028] It can be understood that the riverway supporting effect of the utility model is as follows:

[0029] 1. Can adapt to the crown beam connection needs of straight sheet pile, U-shaped sheet pile, wave sheet pile and other supporting piles in different angle river channels, mountains and the like, especially in the engineering with poor safety such as high suspension;

[0030] 2. The design of the assembled green groove can beautify the retaining wall and is green and environmentally friendly.

[0031] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A prefabricated crown beam for combined support, characterized in that: The crown beam comprises a plurality of crown beams which are sequentially overlapped, the crown beams are arranged in a Z shape, one end of the crown beam is provided with a first overlapping part, the other end of the crown beam is provided with a second overlapping part matched with the first overlapping part, an upper connecting port is formed in the first overlapping part, a lower connecting port corresponding to the upper connecting port is formed in the second overlapping part, a plurality of grouting ports are formed in the upper end of the crown beam, a support pile installation groove communicated with the grouting port is formed in the bottom of the crown beam, and a greening groove is installed on the grouting port.

2. The modular support precast crown beam according to claim 1, wherein: The bottom of the greening groove is provided with a plurality of plugs matched with the grouting port, and the plugs are inserted into the grouting port.

3. The modular support precast crown beam according to claim 1, wherein: The grouting port comprises a first grouting port, a second grouting port, a third grouting port and a fourth grouting port which are sequentially arranged in the form of rectangular vertices.

4. The modular support precast crown beam according to claim 1, wherein: The side surface of the crown beam is provided with a plurality of formwork accessories, and the formwork accessories are one of an inclined angle UHPC formwork, an inclined angle steel formwork, a right angle UHPC formwork and a right angle steel formwork.

5. The modular support precast crown beam according to claim 4, wherein: The formwork accessories are symmetrically arranged on the side surface of the crown beam and connected with the crown beam through screws.

6. The modular support precast crown beam according to claim 4, wherein: A plurality of screw through holes are formed in the inclined angle UHPC formwork, the inclined angle steel formwork, the right angle UHPC formwork and the right angle steel formwork.

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