Novel guide wall formwork device for multi-pile-diameter secant piles and construction method of novel guide wall formwork device

Abstract

The invention discloses a novel guide wall formwork device for a multi-pile-diameter secant pile and a construction method thereof.The novel guide wall formwork device comprises two oppositely-arranged side formwork structures, each side formwork structure comprises a plurality of formwork units connected end to end, each formwork unit comprises three formwork assemblies hinged together in sequence, each formwork assembly comprises an outer wrapping formwork and an inner embedding formwork, and the outer wrapping formwork and the inner embedding formwork are arranged in a staggered mode; the outer wrapping template and the embedded template are arc-shaped, the radians of the outer wrapping template and the embedded template are matched, the outer wrapping template is provided with two opposite ends in the arc forming direction of the outer wrapping template, a socket slot is formed in one end of the outer wrapping template, one end of the embedded template is movably inserted into the socket slot, and a locking piece used for locking the outer wrapping template to fix the length of the template assembly is installed on the embedded template; the supporting structure comprises two supporting rods with the adjustable length, the middles of the two supporting rods are hinged, and the ends of the two supporting rods are connected to the formwork assemblies at the two ends of the formwork unit respectively. The problems that the cost is high and recycling is difficult due to the fact that guide wall formworks for secant piles with different pile diameters adopt customized steel formworks are solved.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a novel wall guide formwork device for multi-diameter interlocking piles and a construction method thereof. Background Art

[0002] In foundation pit support projects, it is common to use bite piles to support the foundation pit due to various environmental factors. This support design can not only carry out earth excavation within the effective working surface, but also effectively prevent water. However, due to the diversity of building structures, bite piles of different pile diameters are often designed when using bite pile support. This leads to diverse demands for bite pile construction guide wall formwork. And affected by geological conditions, the bite pile diameters of the same project are also different. At present, the guide wall formworks on the market are almost all steel formworks, and the sizes are different. They are often in short supply during construction. It is difficult to purchase steel formworks of suitable sizes. Customization is required when necessary. After construction, it is difficult to recycle because the size is different from other projects. A section of traditional steel formwork contains at least ten holes, and workers need forklift assistance to carry it, which is very inconvenient.

[0003] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0004] In order to overcome the defects of the prior art, a new guide wall formwork device and a construction method for multi-diameter interlocking piles are provided to solve the problem that the guide wall formwork for interlocking piles with different pile diameters is costly and difficult to recycle.

[0005] In order to achieve the above object, a new type of guide wall formwork device for multi-diameter interlocking piles is provided, comprising:

[0006] Two side mold structures arranged opposite to each other, the side mold structures comprising a plurality of template units connected end to end, the template units comprising three template components hinged together in sequence, the template components comprising an outer template and an inner template, the outer template and the inner template are arc-shaped and have matching arcs, the outer template has two opposite ends in the arc direction of the outer template, one end of the outer template is formed with a socket groove, one end of the inner template can be movably inserted in the socket groove, and a locking piece for locking the outer template to fix the length of the template component is installed on the inner template;

[0007] The supporting structure comprises two support rods with adjustable lengths, the middle parts of the two support rods are hingedly connected, and the ends of the two support rods are respectively connected to the template assemblies at the two ends of the template unit.

[0008] Furthermore, at least two supporting structures are arranged between two template units at corresponding positions, and the at least two supporting structures are respectively located at the upper part and the lower part of the template unit.

[0009] Furthermore, the support rod includes a connecting angle steel and two end angle steels, the connecting angle steels of the two support rods are hinged together by a hinge shaft, the two end angle steels are respectively movably inserted at both ends of the connecting angle steel, and the connecting angle steel is installed with a locking pin for locking the end angle steels.

[0010] Furthermore, a flange plate of the connecting angle steel is provided with an axial hole, and the hinge shaft is rotatably inserted into the axial hole of the connecting angle steel of the two support rods, and a flange plate of the connecting angle steel of the two support rods is fitted together.

[0011] Furthermore, the outer sides of the two flange plates of the end angle steel are respectively attached to the inner sides of the two flange plates of the connecting angle steel, the two flange plates of the end angle steel are respectively provided with a plurality of first locking holes, and the two flange plates of the connecting angle steel are respectively provided with a plurality of second locking holes, and the locking pin is inserted into the first locking hole of the connecting angle steel and the second locking hole of the end angle steel.

[0012] Furthermore, there are multiple locking pins, and each of the first locking holes and each of the second locking holes is inserted with a locking pin. Both ends of the locking pin are detachably provided with a pressing member, and the pressing member presses against the outer side of the flange plate of the connecting angle steel or the end angle steel.

[0013] Furthermore, the outer template is provided with a first slide groove connected to the socket groove, the first slide groove is arranged along the arc direction of the outer template, the locking piece is slidably arranged in the first slide groove and extends to the outside of the outer template, and the locking piece is detachably installed with a fastener, and the fastener is pressed against the outer wall of the outer template.

[0014] The present invention provides a construction method of a novel guide wall formwork device for multi-diameter interlocking piles, which is characterized by comprising the following steps:

[0015] Based on the pile diameter of each pile of the interlocking pile, the depth of the embedded template inserted into the socket groove of the outer template is adjusted to adjust the length of the template assembly, and the length of the support rod of the supporting structure between each end template unit at the corresponding position is adjusted at the same time, so that the curvature of the three template units is adapted to the curvature of each pile, and the arc center of the two template units at the corresponding position is concentrically arranged with the intersection of the two support rods;

[0016] Multiple pairs of template units with corresponding positions are arranged along the length direction of the construction position of the guide wall of the bite pile, and the multiple pairs of template units are connected end to end to form a new guide wall template device for bite piles with multiple pile diameters.

[0017] The beneficial effect of the present invention is that the novel guide wall template device for multi-diameter interlocking piles of the present invention is a novel guide wall template device suitable for multi-diameter interlocking piles. Each single pile hole template (the outer template and the inner template of the template unit) of the device is connected and fixed in length by a locking piece, and a pair of template units in opposite positions can freely adjust the hole diameter through a length-adjustable support structure. Under the premise of reducing the construction difficulty of workers, the same set of template devices can be customized to complete the guide wall construction of all pile diameters, and can be recycled repeatedly, with extremely high economic benefits.

[0018] The novel guide wall formwork device for multi-diameter interlocking piles of the present invention has a simple structure, is easy to carry and install, has excellent supporting performance, can complete the guide wall formwork of interlocking piles of all pile diameters with a one-time order, is efficient and convenient to operate, can be permanently recycled, and has a good on-site use effect. It greatly improves the construction efficiency and quality of the project, reduces the project construction cost, speeds up the project construction progress, achieves good economic benefits for the project, and has a good prospect for promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0020] Figure 1 The present invention is a schematic structural diagram of a novel guide wall formwork device for multi-diameter interlocking piles according to an embodiment of the present invention.

[0021] Figure 2 Schematic diagram of the support structure of an embodiment of the present invention.

[0022] Figure 3 Schematic diagram of the structure of the template unit according to an embodiment of the present invention.

[0023] Figure 4 It is a schematic diagram of the structure of the template component of an embodiment of the present invention.

[0024] Figure 5 It is a schematic structural diagram of the top of the template assembly according to an embodiment of the present invention.

[0025] Figure 6 It is a schematic structural diagram of the front side of the support rod according to an embodiment of the present invention.

[0026] Figure 7Schematic diagram of the structure of the back side of the support rod according to an embodiment of the present invention. DETAILED DESCRIPTION

[0027] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] Reference Figures 1 to 7 As shown, the present invention provides a new type of guide wall formwork device for multi-diameter interlocking piles, including: a side formwork structure 1 and a support structure 2.

[0030] There are two side mold structures 1. The two side mold structures 1 are arranged opposite to each other. The support structure 2 is supported between the two side mold structures.

[0031] The side mold structure 1 includes a plurality of template units 11 connected end to end.

[0032] Specifically, the template unit 11 includes three template components 111 hinged together in sequence.

[0033] The template component 111 includes an outsourced template 1111 and an embedded template 1112 .

[0034] In this embodiment, the outer template 1111 and the inner template 1112 are arc-shaped. The arcs of the outer template 1111 and the inner template 1112 are adapted to each other.

[0035] The outer template 1111 has two opposite ends in the arc direction of the outer template 1111. A socket groove is formed at one end of the outer template 1111. The depth direction of the socket groove is the arc direction of the outer template.

[0036] The embedded template 1112 also has two opposite ends in the arc direction of the embedded template. One end of the embedded template 1112 can be movably inserted in the socket groove. The other end of the outer template and the other end of the embedded template are respectively connected to the embedded template or the outer template of the adjacent template unit through a hinge.

[0037] A locking piece 1113 is installed on the embedded template 1112. The locking piece 1113 is used to lock the outer template 1111 to fix the length of the template assembly 111.

[0038] The supporting structure 2 includes two length-adjustable support rods, the middle parts of the two support rods are hingedly connected, and the ends of the two support rods are respectively connected to the template assemblies 111 at the two ends of the template unit 11.

[0039] In this embodiment, at least two supporting structures 2 are arranged between two corresponding template units 11. The at least two supporting structures 2 are located at the upper part and the lower part of the template unit 11 respectively.

[0040] Specifically, the support rod includes a connecting angle steel 21 and two end angle steels 22. The connecting angle steels 21 of the two support rods are hinged together through a hinge shaft. The two end angle steels 22 are movably inserted at both ends of the connecting angle steel 21. The connecting angle steel 21 is installed with a locking pin 23. The locking pin 23 is used to lock the end angle steel 22.

[0041] In this embodiment, one flange plate of the connecting angle steel 21 is horizontally arranged and has an axial hole. The other flange plate of the connecting angle steel is vertically arranged. The hinge shaft is rotatably inserted into the axial holes of the connecting angle steels 21 of the two support rods. One flange plate of the connecting angle steels 21 of the two support rods is attached together.

[0042] As a preferred embodiment, the outer sides of the two flange plates of the end angle steel 22 are respectively attached to the inner sides of the two flange plates of the connecting angle steel 21. The two flange plates of the end angle steel 22 are respectively provided with a plurality of first locking holes. The two flange plates of the connecting angle steel 21 are respectively provided with a plurality of second locking holes. The locking pin 23 is inserted into the first locking hole of the connecting angle steel 21 and the second locking hole of the end angle steel 22.

[0043] In this embodiment, there are multiple locking pins 23. Each first locking hole and each second locking hole is inserted with a locking pin 23. Both ends of the locking pin 23 are detachably mounted with a pressing member. The pressing member presses against the outer side of the flange plate of the connecting angle steel 21 or the end angle steel 22.

[0044] A triangular structure is formed between the locking pin and the two flange plates of the connecting angle steel or the end angle steel, so that the multiple locking pins can improve the structural strength of the connecting angle steel and the end angle steel.

[0045] The outer template 1111 is provided with a first slide groove connected to the socket groove. The first slide groove is arranged along the arc direction of the outer template 1111. The locking member is slidably arranged in the first slide groove and extends to the outside of the outer template 1111. The locking member 1113 is detachably mounted with a fastener. The fastener is pressed against the outer side wall of the outer template 1111.

[0046] The present invention provides a construction method of a novel guide wall formwork device for multi-diameter interlocking piles, comprising the following steps:

[0047] S1. Based on the pile diameter of each pile of the interlocking pile, the depth of the embedded template 1112 inserted in the socket groove of the outer template 1111 is adjusted to adjust the length of the template assembly 111, and the length of the support rod of the supporting structure 2 between the corresponding template units 11 at each end is adjusted at the same time, so that the curvature of the three template units 11 is adapted to the curvature of each pile, and the arc center of the two corresponding template units 11 is concentrically arranged with the intersection of the two struts.

[0048] S2. Arrange multiple pairs of template units 11 with corresponding positions along the length direction of the construction position of the guide wall of the interlocking piles, and connect the multiple pairs of template units 11 end to end to form a new guide wall template device for interlocking piles with multiple pile diameters.

[0049] The novel guide wall template device for multi-diameter interlocking piles of the present invention is a novel guide wall template device suitable for multi-diameter interlocking piles. Each single pile hole template (the outer template and the inner template of the template unit) of the device is connected and fixed in length by a locking piece, and a pair of template units in opposite positions can freely adjust the hole diameter through a length-adjustable support structure. Under the premise of reducing the construction difficulty of workers, the same set of template devices can be customized to complete the guide wall construction of all pile diameters, and can be recycled repeatedly, with extremely high economic benefits.

[0050] The novel guide wall formwork device for multi-diameter interlocking piles of the present invention has the connecting angle steel and the end angle steel directly connected and reinforced by means of locking pins.

[0051] Each formwork unit is composed of three formwork components connected by hinges or hinges. Each formwork component includes an embedded formwork, an external formwork, and a locking piece.

[0052] The outer template is a 4mm thick hollow steel plate. The inner template is a 2mm thick solid steel plate. A first slide groove is reserved in the middle of the outer template, and the insertion depth of the inner template in the socket groove of the outer template is adjusted by a locking piece.

[0053] The novel guide wall formwork device for multi-pile diameter interlocking piles of the present invention, when using the formwork device for guide wall formwork, firstly adjust the length of the formwork assembly by adjusting the locking piece, adjust the pile hole position to the designed diameter by adjusting the length of the support rod of the supporting structure, and then adjust the arc length corresponding to the diameter by the locking piece and the hinge or hinge. After the hole diameter of the pile hole position of the template is adjusted appropriately, each template unit is spliced ​​and installed for construction. The template assemblies at both ends of the template unit are connected with adjacent flanges. Two adjacent template units are connected together by bolts.

[0054] The novel guide wall formwork device for multi-diameter interlocking piles of the present invention has a simple structure, is easy to carry and install, has excellent supporting performance, can complete the guide wall formwork of interlocking piles of all pile diameters with a one-time order, is efficient and convenient to operate, can be permanently recycled, and has a good on-site use effect. It greatly improves the construction efficiency and quality of the project, reduces the project construction cost, speeds up the project construction progress, achieves good economic benefits for the project, and has a good prospect for promotion and application.

[0055] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A new type of guide wall formwork device for multi-diameter interlocking piles, characterized in that: include: Two side mold structures arranged opposite to each other, the side mold structures comprising a plurality of template units connected end to end, the template units comprising three template components hinged together in sequence, the template components comprising an outer template and an inner template, the outer template and the inner template are arc-shaped and have matching arcs, the outer template has two opposite ends in the arc direction of the outer template, one end of the outer template is formed with a socket groove, one end of the inner template can be movably inserted in the socket groove, and a locking piece for locking the outer template to fix the length of the template component is installed on the inner template; The supporting structure comprises two support rods with adjustable lengths, the middle parts of the two support rods are hingedly connected, and the ends of the two support rods are respectively connected to the template assemblies at the two ends of the template unit.

2. The novel guide wall formwork device for multi-diameter interlocking piles according to claim 1 is characterized in that: At least two supporting structures are arranged between two template units at corresponding positions, and the at least two supporting structures are respectively located at the upper part and the lower part of the template unit.

3. The novel guide wall formwork device for multi-diameter interlocking piles according to claim 1 is characterized in that: The support rod comprises a connecting angle steel and two end angle steels. The connecting angle steels of the two support rods are hinged together through a hinge shaft. The two end angle steels are respectively and movably inserted at both ends of the connecting angle steel. The connecting angle steel is installed with a locking pin for locking the end angle steels.

4. The novel guide wall formwork device for multi-diameter interlocking piles according to claim 3 is characterized in that: A flange plate of the connecting angle steel is provided with an axial hole, and the hinge shaft is rotatably inserted into the axial hole of the connecting angle steel of the two support rods, and a flange plate of the connecting angle steel of the two support rods is fitted together.

5. The novel guide wall formwork device for multi-diameter interlocking piles according to claim 4 is characterized in that: The outer sides of the two flange plates of the end angle steel are respectively attached to the inner sides of the two flange plates of the connecting angle steel, the two flange plates of the end angle steel are respectively provided with a plurality of first locking holes, and the two flange plates of the connecting angle steel are respectively provided with a plurality of second locking holes, and the locking pin is inserted into the first locking hole of the connecting angle steel and the second locking hole of the end angle steel.

6. The novel guide wall formwork device for multi-diameter interlocking piles according to claim 5 is characterized in that: There are multiple locking pins, and each of the first locking holes and each of the second locking holes is inserted with a locking pin. Both ends of the locking pin are detachably provided with a pressing member, and the pressing member presses against the outer side of the flange plate of the connecting angle steel or the end angle steel.

7. The novel guide wall formwork device for multi-diameter interlocking piles according to claim 1 is characterized in that: The outer template is provided with a first slide groove connected to the socket groove, the first slide groove is arranged along the arc direction of the outer template, the locking piece is slidably arranged in the first slide groove and extends to the outside of the outer template, and the locking piece is detachably installed with a fastener, and the fastener is pressed against the outer side wall of the outer template.

8. A construction method for a new type of guide wall formwork device for multi-diameter interlocking piles as claimed in any one of claims 1 to 7, characterized in that: The following steps are involved: Based on the pile diameter of each pile of the interlocking pile, the depth of the embedded template inserted into the socket groove of the outer template is adjusted to adjust the length of the template assembly, and the length of the support rod of the supporting structure between each end template unit at the corresponding position is adjusted at the same time, so that the curvature of the three template units is adapted to the curvature of each pile, and the arc center of the two template units at the corresponding position is concentrically arranged with the intersection of the two support rods; Multiple pairs of template units with corresponding positions are arranged along the length direction of the construction position of the guide wall of the bite pile, and the multiple pairs of template units are connected end to end to form a new guide wall template device for bite piles with multiple pile diameters.

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