An automatic installation and dismounting system for a formwork in a large-section pipe jacking pipe section

Abstract

The present application relates to a kind of automatic installation and disassembly system for large-section pipe jacking pipe section inner form, comprising: form assembly, be set in pipe section, including several form bodies, support frame and connecting rod assembly, one end of connecting rod assembly is installed on support frame, the other end of connecting rod assembly is installed several form bodies, and connecting rod assembly is suitable for driving several form bodies to contract or open;When several form bodies are in open state, be located at the inner wall of pipe section, and the shape formed by several form bodies around corresponds to the shape of pipe section inner wall;When several form bodies are in contracted state, be located inside the inner wall of pipe section, and be staggered arrangement.This automatic installation and disassembly system's power rod can be telescopic, to drive several form bodies to be telescopic, realize the automatic installation and disassembly of pipe section inside form;And the top of support frame installs several hoisting parts, after one pipe section construction is completed, form assembly can be hoisted to the next pipe section to continue construction, can be reused.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of pipe jacking, and relates to a formwork for a pipe jacking pipe section, in particular to an automatic installation and disassembly system for a formwork in a large-section pipe jacking pipe section. BACKGROUND

[0002] With the development of economy and city size, the demand for large pipe jacking is increasingly strong, and the construction technology for large and super-large pipe jacking is increasingly mature. The number of large pipe jacking projects is rapidly increasing, and the number of prefabricated pipe jacking pipe sections is also rapidly increasing. The traditional prefabricated pipe jacking pipe section formwork is installed manually. Due to the large size of the pipe section of the large-section pipe jacking, the installation of the formwork inside the pipe section is difficult, and the construction efficiency is low, which cannot meet the progress demand of large-scale pipe jacking pipe section prefabrication construction.

[0003] Therefore, an automatic installation and disassembly system for a formwork in a large-section pipe jacking pipe section is proposed to solve the above problems. SUMMARY

[0004] The present application aims to overcome the shortcomings of the prior art and provide an automatic installation and disassembly system for a formwork in a large-section pipe jacking pipe section, which is low in cost and high in efficiency.

[0005] To solve the above problems, the technical scheme of the present application is as follows:

[0006] An automatic installation and disassembly system for a formwork in a large-section pipe jacking pipe section, comprising:

[0007] A formwork assembly is arranged in the pipe section and comprises a plurality of formwork bodies, a support frame and a connecting rod assembly. One end of the connecting rod assembly is mounted on the support frame, and the other end of the connecting rod assembly is mounted with the plurality of formwork bodies. The connecting rod assembly is adapted to drive the plurality of formwork bodies to contract or open;

[0008] When the plurality of formwork bodies are in an open state, they are located at the inner wall of the pipe section, and the shape formed by the plurality of formwork bodies corresponds to the shape of the inner wall of the pipe section;

[0009] When the plurality of formwork bodies are in a contracted state, they are located inside the inner wall of the pipe section, and are arranged in a staggered manner.

[0010] In a further embodiment, the connecting rod assembly comprises a plurality of power rods and a plurality of movable support rods. Each formwork body is mounted with one power rod and at least one movable support rod.

[0011] The power rod is adapted to drive the formwork body to extend and retract, and the movable support rod is passively retracted and extended.

[0012] In a further embodiment, a controller assembly is fixedly mounted on the support frame. The controller assembly is connected to the plurality of power rods and is adapted to control the plurality of power rods to contract.

[0013] In further embodiments, the power rod is fixedly installed on the template body through a power rod connecting unit, the power rod connecting unit comprises a power rod fixing piece and a power rod connecting plate, the power rod fixing piece is fixedly installed on the end of the power rod, the power rod connecting plate is fixedly installed on the template body, and the power rod fixing piece is located between the template body and the power rod connecting plate.

[0014] The power rod connecting plate is provided with an inverted U-shaped opening suitable for being clamped on the power rod.

[0015] In further embodiments, the middle part of the power rod is fixedly installed on the support frame through a power rod first installation piece, the power rod first installation piece is a cross-shaped structure and is fixedly installed on the side of the power rod.

[0016] In further embodiments, the tail part of the power rod is fixedly installed on the support frame through a power rod second installation piece, the power rod second installation piece is a cross-shaped structure suitable for supporting the power rod.

[0017] In further embodiments, the movable support rod is rotatably installed on the template body through a movable support rod connecting unit, the movable support rod connecting unit comprises a movable support rod fixing piece and a movable support rod connecting plate, the movable support rod fixing piece is rotatably installed on the end of the movable support rod, the movable support rod connecting plate is fixedly installed on the template body, and the movable support rod fixing piece is located between the template body and the movable support rod connecting plate.

[0018] The upper and lower ends of the movable support rod fixing piece are fixedly installed with fixing piece extension plates, and the movable support rod connecting plate is provided with an inverted U-shaped opening suitable for being clamped on the fixing piece extension plates.

[0019] A pair of fixing piece extension plates are each provided with a circular hole, and the movable support rod is provided with a corresponding through hole suitable for the fixing piece extension plates being rotatably installed on the movable support rod through bolts.

[0020] In further embodiments, the movable support rod is rotatably installed on the support frame through a buckle, the buckle comprises a connecting bolt and a buckle body, the top end of the connecting bolt is fixedly installed on the support frame, the bottom end of the connecting bolt is rotatably installed with the buckle body, and the buckle body is clamped on the movable support rod.

[0021] In further embodiments, the movable support rod is a telescopic rod structure, the telescopic position of the telescopic rod is provided with a bolt hole suitable for a bolt being threaded to fix the length of the telescopic rod.

[0022] In further embodiments, the bottom end of the support frame is spaced apart with a plurality of pulleys, and the top end is spaced apart with a plurality of hoisting parts.

[0023] Compared with the prior art, the beneficial effects of the present application are:

[0024] 1. The automatic installation and disassembly system is installed on the bottom template of the prefabricated pipe section, and the template assembly includes a support frame, a template body and a power rod, one end of the power rod is fixedly installed on the support frame, the other end of the power rod is fixedly installed on the template body, the power rod can be telescopic, thereby driving the template body to be telescopic, realizing the automatic installation and disassembly of the inner template of the pipe section, without manual installation of the template, improving the construction efficiency; and the top end of the support frame is provided with a plurality of lifting parts, after the construction of one pipe section is completed, the template assembly can be lifted to the next pipe section for continuous construction, which can be reused and saves cost.

[0025] 2. The template body of the automatic installation and disassembly system is also rotatably installed with an active support rod between the support frame and the template body, the active support rod is a telescopic rod structure and can be passively telescopic with the telescopic power rod; the telescopic part of the active support rod is provided with a bolt hole, which is convenient for screwing a bolt at the bolt hole after the template body is opened, thereby fixing the length of the active support rod and supporting the template body to strengthen the strength of the template body.

[0026] 3. The automatic installation and disassembly system is fixedly installed with a controller assembly on the support frame, the controller assembly is connected with the power rods and is used to control the power rods to be telescopic, and the template body is installed and disassembled by electric control, which is convenient and fast to use.

[0027] 4. The template body of the automatic installation and disassembly system is inserted on the power rod and the active support rod through the power rod connecting plate and the active support rod connecting plate respectively, which can be quickly installed and disassembled, and different template bodies can be provided according to different specifications and sizes of the pipe section, and different power rod extension amounts can be set, so as to be suitable for different specifications of the pipe section, have strong applicability, simple structure and low cost. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a use state top view of an automatic installation and disassembly system for a large-section pipe section inner template;

[0029] Figure 2 It is a contraction state top view of an automatic installation and disassembly system for a large-section pipe section inner template;

[0030] Figure 3 It is a template connection schematic view of an automatic installation and disassembly system for a large-section pipe section inner template;

[0031] Figure 4 It is one of oil cylinder fixing schematic views of an automatic installation and disassembly system for a large-section pipe section inner template;

[0032] Figure 5 It is the second of oil cylinder fixing schematic views of an automatic installation and disassembly system for a large-section pipe section inner template;

[0033] Figure 6 is an enlarged schematic view of A in Figure 3

[0034] Figure 7 is a schematic view of a movable support rod connecting plate of an automatic assembly and disassembly system for a large-section pipe jacking pipe joint inner formwork;

[0035] Figure 8 is a schematic view of a movable support rod fixing piece of an automatic assembly and disassembly system for a large-section pipe jacking pipe joint inner formwork;

[0036] Figure 9 is a schematic view of a buckle of an automatic assembly and disassembly system for a large-section pipe jacking pipe joint inner formwork.

[0037] In the figure: 1, pipe joint; 2, formwork assembly; 21, formwork body; 22, support frame; 221, hoisting part; 23, power rod; 231, power rod connecting unit; 2311, power rod fixing piece; 2312, power rod connecting plate; 232, power rod first mounting piece; 233, power rod second mounting piece; 24, movable support rod; 241, movable support rod connecting unit; 2411, movable support rod fixing piece; 24111, fixing piece extension plate; 2412, movable support rod connecting plate; 242, buckle; 2421, connecting bolt; 2422, buckle body; 25, controller assembly; 251, first controller; 252, second controller. DETAILED DESCRIPTION

[0038] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0039] Example 1:

[0040] An automatic assembly and disassembly system for a large-section pipe jacking pipe joint inner formwork, as Figures 1 to 9 ​As shown in the drawings, the inner side of the pipe wall of the pipe section 1 is provided with a formwork assembly 2, the formwork assembly 2 is opened when the pipe section 1 is constructed, the outer side of the formwork assembly 2 is moved to the inner wall of the pipe section 1, the outer formwork is fixedly installed at the outer wall of the pipe section 1, and then the pipe section 1 is poured; after the construction of the pipe section 1 is completed, the formwork assembly 2 is retracted, the outer side of the formwork assembly 2 is away from the inner wall of the pipe section 1, the pipe section 1 or the formwork assembly 2 is removed, and the construction of the next pipe section 1 is carried out again.

[0041] As shown in the drawings, Figures 1 to 3 The formwork assembly 2 comprises a plurality of formwork bodies 21, a support frame 22, a plurality of power rods 23 and a plurality of movable support rods 24. The support frame 22 is a frame structure, the support frame 22 is fixedly installed with one end of the plurality of power rods 23 and the plurality of movable support rods 24 on the circumferential side, and the other end of the plurality of power rods 23 and the plurality of movable support rods 24 is fixedly installed on the plurality of formwork bodies 21. One power rod 23 is fixedly installed on each formwork body 21, two movable support rods 24 are installed on the formwork bodies 21 at the four corners of the pipe section 1, the two movable support rods 24 are located on the two sides of the power rod 23, and one movable support rod 24 is installed on the remaining formwork bodies 21. The plurality of formwork bodies 21 are connected together in the use state, and the shape surrounded corresponds to the shape of the inner wall of the pipe section 1. The power rod 23 is an oil cylinder or a jack, and the movable support rod 24 is a telescopic rod structure.

[0042] A controller assembly 25 is also fixedly installed on the support frame 22. The controller assembly 25 comprises a first controller 251 and a second controller 252. The first controller 251 is connected with the formwork bodies 21 at the four corners of the pipe section 1, and the second controller 252 is connected with the remaining formwork bodies 21. When the formwork bodies 21 are retracted inward, the first controller 251 controls the formwork bodies 21 at the four corners to retract inward first, and then the second controller 252 controls the remaining formwork bodies 21 to retract inward, so that the formwork bodies 21 at the four corners and the remaining formwork bodies 21 are staggered front and back, and the retraction of the formwork bodies 21 is ensured to be smooth. A plurality of pulleys are fixedly installed at the bottom end of the support frame 22, which facilitates the adjustment of the installation position of the support frame 22. A plurality of lifting parts 221 are fixedly installed at the top end of the support frame 22, which are used for lifting the formwork assembly 2. Preferably, the first controller 251 and the second controller 252 are oil cylinder controllers, which are used for controlling the power rods 23 to extend and retract.

[0043] As shown in the drawings, Figures 3 to 6As shown, the power rod 23 is fixedly installed on the template body 21 through a power rod connecting unit 231, a middle part of the power rod 23 is fixedly installed on the support frame 22 through a power rod first mounting piece 232, the power rod first mounting piece 232 is a cross-shaped structure and is fixedly installed on a circumferential side of the power rod 23, so as to facilitate fixing the power rod 23; a tail end part of the power rod 23 is fixedly installed on the support frame 22 through a power rod second mounting piece 233, the power rod second mounting piece 233 is a cross-shaped structure, so as to facilitate providing reinforcing support for the power rod 23; the power rod connecting unit 231 comprises a power rod fixing piece 2311 and a power rod connecting plate 2312, an end part of the power rod 23 is fixedly installed with the power rod fixing piece 2311, and a back of the template body 21 is fixedly installed with the power rod connecting plate 2312, the power rod fixing piece 2311 is a plate-shaped structure, a vertical section of the power rod connecting plate 2312 is an L-shaped structure, a middle part of the power rod connecting plate 2312 is provided with an inverted U-shaped opening, a diameter of the inverted U-shaped opening corresponds to a diameter of the power rod 23, so that the power rod 23 is clamped at the inverted U-shaped opening, and the power rod fixing piece 2311 is located between the power rod connecting plate 2312 and the template body 21, so that the power rod 23 can drive the template body 21 to move.

[0044] As Figures 6 to 9As shown, the movable support rod 24 is rotatably installed on the formwork body 21 through a movable support rod connecting unit 241, and the movable support rod 24 is rotatably installed on the support frame 22 through a buckle 242; the movable support rod connecting unit 241 comprises a movable support rod fixing piece 2411 and a movable support rod connecting plate 2412, the end of the movable support rod 24 is rotatably installed on the movable support rod fixing piece 2411, and the movable support rod connecting plate 2412 is fixedly installed on the back of the formwork body 21; the vertical section of the movable support rod connecting plate 2412 is in L-shaped structure, and a reverse U-shaped opening is formed in the middle part of the movable support rod connecting plate 2412; the movable support rod fixing piece 2411 is in plate-shaped structure and is located between the movable support rod connecting plate 2412 and the formwork body 21, the top end and the bottom end of the movable support rod fixing piece 2411 are fixedly installed with fixing piece extension plates 24111 arranged vertically, the fixing piece extension plates 24111 correspond to the width of the reverse U-shaped opening of the movable support rod connecting plate 2412, so that the fixing piece extension plates 24111 are clamped in the reverse U-shaped opening, the two fixing piece extension plates 24111 are symmetrically provided with round holes, the end of the movable support rod 24 is provided with a through hole penetrating upward and downward, which corresponds to the round hole of the fixing piece extension plate 24111, so as to facilitate the penetration of the bolt; the distance between the two fixing piece extension plates 24111 is greater than the diameter of the movable support rod 24, or the middle part of the bolt is provided without screw thread, so as to ensure that the movable support rod 24 can rotate smoothly; the buckle 242 is arranged vertically, the buckle 242 comprises a connecting bolt 2421 and a buckle body 2422, the top end of the connecting bolt 2421 is fixedly installed on the bottom end of the rod of the support frame 22, the bottom end of the connecting bolt 2421 is rotatably installed on the buckle body 2422, the buckle body 2422 is divided into an upper part and a lower part, the upper part and one side of the lower part are hinged together, the other side of the upper part and the lower part are fixedly installed together by a bolt, the upper part and the lower part have an elliptical space therebetween for clamping the movable support rod 24, and the bottom end of the connecting bolt 2421 abuts against the upper side of the movable support rod 24 for fixing the movable support rod 24; the bolt hole is arranged at the telescopic position of the movable support rod 24, the movable support rod 24 is telescopic and rotatable with the movement of the formwork body 21, when the formwork body 21 is completely opened to the use state, the bolt is penetrated in the bolt hole to fix the length of the movable support rod 24, or other devices with the same fixing function are used to fix the length.

[0045] The working principle of the present application is that: according to the size of the batch prefabricated pipe section 1, a support frame 22 of corresponding size is made, and a plurality of power rods 23 and movable support rods 24 are installed on the support frame 22, and a plurality of template bodies 21 are correspondingly installed on the end of the plurality of power rods 23 and movable support rods 24; first, control the plurality of template bodies 21 to shrink through the controller assembly 25, then hoist the template assembly 2 to the center position of the pipe section 1 base template, and control the plurality of template bodies 21 to extend to the designed inner wall position of the pipe section 1 or the corresponding clamping point position of the base template through the controller assembly 25, tighten the bolts at the telescopic position of the movable support rod 24, so that the length of the movable support rod 24 is fixed, thereby fixing the position of the template body 21, then install the outer template of the pipe section 1, and then pour the concrete to construct the pipe section 1.

[0046] After the concrete of the pipe section 1 is finished, the bolts at the telescopic position of the movable support rod 24 are removed, the plurality of template bodies 21 are controlled to shrink respectively through the controller assembly 25, the template assembly 2 is hoisted to the base template of the next pipe section 1, and the construction is continued.

[0047] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. An automatic assembly and disassembly system for the formwork of large-section pipe sections, characterized in that, The utility model relates to a pipe joint (1) and template assembly (2) thereof, and the pipe joint (1) comprises a pipe body (11) and a pipe end (12) connected to the pipe body (11), and the template assembly (2) is arranged in the pipe joint (1) and comprises a plurality of template bodies (21), a support frame (22) and a connecting rod assembly, one end of the connecting rod assembly is mounted on the support frame (22), the other end of the connecting rod assembly is mounted with the plurality of template bodies (21), and the connecting rod assembly is suitable for driving the plurality of template bodies (21) to contract or open. When the plurality of template bodies (21) are in an open state, the plurality of template bodies (21) are located at the inner wall of the pipe joint (1), and the shape formed by the plurality of template bodies (21) corresponds to the shape of the inner wall of the pipe joint (1). When the plurality of template bodies (21) are in a contracted state, the plurality of template bodies (21) are located inside the inner wall of the pipe joint (1) and are arranged in a staggered manner. The connecting rod assembly comprises a plurality of power rods (23) and a plurality of movable support rods (24), and one power rod (23) and at least one movable support rod (24) are mounted on each template body (21). The power rod (23) is suitable for driving the template body (21) to stretch and retract, and the movable support rod (24) is driven to stretch and retract passively. A controller assembly (25) is fixedly mounted on the support frame (22), the controller assembly (25) is connected to the plurality of power rods (23) and is suitable for controlling the plurality of power rods (23) to contract. The power rod (23) is fixedly mounted on the template body (21) through a power rod connecting unit (231), the power rod connecting unit (231) comprises a power rod fixing piece (2311) and a power rod connecting plate (2312), the end of the power rod (23) is fixedly mounted with the power rod fixing piece (2311), the template body (21) is fixedly mounted with the power rod connecting plate (2312), and the power rod fixing piece (2311) is located between the template body (21) and the power rod connecting plate (2312). An inverted U-shaped opening is formed in the power rod connecting plate (2312) and is suitable for being clamped on the power rod (23). The middle part of the power rod (23) is fixedly mounted on the support frame (22) through a power rod first mounting piece (232), the power rod first mounting piece (232) is in a cross shape and is fixedly mounted on the side of the power rod (23). The tail part of the power rod (23) is fixedly mounted on the support frame (22) through a power rod second mounting piece (233), the power rod second mounting piece (233) is in a cross shape and is suitable for supporting the power rod (23). ​ 2. The automatic assembly and disassembly system for the formwork of large-section pipe section jacking as claimed in claim 1, characterized in that, The movable support rod (24) is rotatably installed on the formwork body (21) through a movable support rod connecting unit (241), the movable support rod connecting unit (241) comprises a movable support rod fixing piece (2411) and a movable support rod connecting plate (2412), the movable support rod fixing piece (2411) is rotatably installed on the end of the movable support rod (24), the movable support rod connecting plate (2412) is fixedly installed on the formwork body (21), and the movable support rod fixing piece (2411) is located between the formwork body (21) and the movable support rod connecting plate (2412); The upper and lower ends of the movable support rod fixing piece (2411) are fixedly installed with fixing piece extension plates (24111), and the movable support rod connecting plate (2412) is provided with an inverted U-shaped opening suitable for being clamped on the fixing piece extension plates (24111); A pair of the fixing piece extension plates (24111) are each provided with a round hole, and the movable support rod (24) is provided with a corresponding through hole, so that the fixing piece extension plates (24111) are rotatably installed on the movable support rod (24) through bolts.

3. The automatic assembly and disassembly system for the inner form of large-section pipe section according to claim 2, characterized in that, The movable support rod (24) is rotatably installed on the support frame (22) through a buckle (242), the buckle (242) comprises a connecting bolt (2421) and a buckle body (2422), the top end of the connecting bolt (2421) is fixedly installed on the support frame (22), the bottom end of the connecting bolt (2421) is rotatably installed on the buckle body (2422), and the buckle body (2422) is clamped on the movable support rod (24).

4. The automatic assembling and disassembling system for the inner formwork of large-section pipe section jacking as claimed in claim 3, characterized in that, The movable support rod (24) is a telescopic rod structure, the telescopic position of the telescopic rod is provided with a bolt hole, and a bolt is clamped in the bolt hole to fix the length of the telescopic rod.

5. The automatic assembly and disassembly system for the inner form of large-section pipe section, according to claim 4, characterized in that, The bottom end of the support frame (22) is provided with a plurality of pulleys, and the top end is provided with a plurality of lifting parts (221).

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