Deep foundation pit main body structure pouring forming device

Abstract

The utility model belongs to the technical field of building construction, and discloses a deep foundation pit main body structure pouring forming device which comprises a plurality of pushing mechanisms used for pushing, pressing and fixing a reinforcement cage and evenly distributed along the circumference, and further comprises a center mechanism used for connecting and fixing a center support. A plurality of quick mounting mechanisms which are used for plugging mounting and bidirectionally and simultaneously telescoping to adjust the pushing distance are uniformly distributed on the circumference of the central mechanism, and the pushing mechanism is mounted at one end of the quick mounting mechanism; the center mechanism comprises a center column, and the center column is in a cylinder shape with an opening in the bottom end. According to the pouring forming device for the deep foundation pit main body structure, the convenience and rapidity of disassembly and assembly are improved through the arrangement of insertion and extraction disassembly and assembly; the pushing distance is adjusted through bidirectional simultaneous telescopic adjustment, so that the disassembly and assembly speed is further increased; and through the arrangement of spherical hinge connection, the pushing direction is automatically corrected, and the accuracy of force application is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, in particular to a deep foundation pit main structure casting and forming device. Background Art

[0002] Most existing foundation pit support structures are to cast a concrete protective layer (i.e., a forming device) on the inner wall of the foundation pit, and then set several protective plates on the inner side of the protective layer. The protective plates are connected to the steel support structure, and the steel support structure is fixedly installed on the inner bottom end of the foundation pit to prevent the foundation pit from collapsing.

[0003] In contrast, the Chinese patent with announcement number CN111980025A discloses a deep foundation pit main structure casting and forming device, including a foundation pit main body, the foundation pit main body is a cylindrical tube structure, longitudinal partitions are evenly arranged inside it, a steel cage is fitted on its inner side, and a positioning casting tube is vertically provided at the center of its inner circle, the number of the longitudinal partitions is several, and their length is equal to the height of the foundation pit main body, the steel cage is a cylindrical structure, the outer ring diameter is equal to the inner ring diameter of the foundation pit main body, support channel steels are evenly penetrated on the positioning casting tube, the inner end of the support channel steel is located on the inner side of the positioning casting tube, and the outer end of each support channel steel is provided with an installation channel steel, the installation channel steel and the support channel steel are bolted to a first connecting piece, and the left and right sides of the installation channel steel are hinged with connecting rods, the number of the connecting rods is several, and the end away from the installation channel steel is hinged with a protective extrusion plate, and the protective extrusion plates are all fitted on the inner side wall of the steel cage, and the two have the same height.

[0004] However, the above patents mainly use a large number of bolts for connection and fixing, which makes disassembly and assembly very inconvenient and slow, so a new device needs to be designed. Summary of the Invention

[0005] The purpose of the utility model is to provide a deep foundation pit main structure casting and forming device to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A deep foundation pit main structure casting and forming device, comprising a plurality of pushing mechanisms for pushing and pressing a steel cage for fixing, the pushing mechanisms being evenly distributed along the circumference, and a central mechanism for central support connection and fixing, the central mechanism being evenly distributed around the circumference with a plurality of quick-install mechanisms for plugging and unplugging and for adjusting the pushing distance in both directions at the same time, the pushing mechanism being installed at one end of the quick-install mechanism; the central mechanism comprising a central column, the central column being cylindrical with an open bottom end, the central column being symmetrically provided with two first baffles up and down, and the top of the central column being provided with a first Plug, a plurality of second plugs are evenly distributed around the circumference of the central column, and a second baffle is provided on the second plug; the quick-loading mechanism includes a forward and reverse threaded screw, a first handle is provided in the middle of the forward and reverse threaded screw, a first sleeve is installed at one end of the forward and reverse threaded screw, a connecting hole is provided at the end of the first sleeve away from the forward and reverse threaded screw, a second sleeve is installed at the end of the forward and reverse threaded screw away from the first sleeve, a second handle is provided near the second sleeve, and a ball joint is provided at the end of the second sleeve away from the forward and reverse threaded screw.

[0008] Furthermore: the pushing mechanism includes a protective extrusion plate, the protective extrusion plate is arc-shaped, a fixed seat is provided on the inner side, and a ball joint seat is provided at one end of the fixed seat.

[0009] Furthermore: the fixing seat and the protective extrusion plate are welded together, and the ball joint seat and the fixing seat are bolted together.

[0010] Furthermore: the second plug and the connecting hole have the same cross-sectional shape, both of which are square.

[0011] Furthermore, the central column, the first baffle, the first plug, the second plug and the second baffle are welded together.

[0012] Furthermore: two of the first handles and two of the second handles are symmetrically provided, the first handles are welded to the forward and reverse threaded screw rods, and the second handles are welded to the second sleeves.

[0013] Compared with the prior art, the beneficial effects are:

[0014] The plug-in and pull-out disassembly settings improve the convenience and speed of disassembly and assembly;

[0015] The speed of disassembly and assembly is further accelerated by adjusting the pushing distance through bidirectional telescopic adjustment.

[0016] The ball joint connection automatically corrects the pushing direction and ensures the accuracy of force application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a structural schematic diagram of a deep foundation pit main structure casting and molding device described in the utility model;

[0018] Figure 2 This is a top axonometric view of the central mechanism of a deep foundation pit main structure casting and forming device described in the utility model;

[0019] Figure 3 This is a bottom-up axonometric drawing of the central mechanism of a deep foundation pit main structure casting and forming device described in the utility model;

[0020] Figure 4 This is a schematic diagram of a quick-assembly mechanism of a deep foundation pit main structure casting and forming device described in the utility model;

[0021] Figure 5 It is a schematic diagram of the jacking mechanism of the deep foundation pit main structure casting and forming device described in the utility model.

[0022] In the accompanying drawings: 101, center column; 102, first baffle; 103, first plug; 104, second plug; 105, second baffle; 201, first sleeve; 202, connecting hole; 203, forward and reverse threaded screw; 204, first handle; 205, second sleeve; 206, second handle; 207, ball joint; 301, protective extrusion plate; 302, fixing seat; 303, ball joint seat. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-Figure 5 A deep foundation pit main structure casting and forming device includes several pushing mechanisms for pushing and compacting the steel cage for fixing. The pushing mechanisms are evenly distributed along the circumference. It also includes a central mechanism for central support connection and fixing. The central mechanism has several quick-install mechanisms evenly distributed around the circumference for plugging and unplugging installation and bidirectional simultaneous telescopic adjustment of the pushing distance. The pushing mechanism is installed at one end of the quick-install mechanism.

[0025] In this embodiment: the central mechanism includes a central column 101, which is a cylindrical column with an open bottom. The central column 101 is symmetrically provided with two first baffles 102 above and below. A first plug 103 is provided at the top of the central column 101. A plurality of second plugs 104 are evenly distributed around the circumference of the central column 101. A second baffle 105 is provided on the second plug 104. The central column 101, the first baffle 102, the first plug 103, the second plug 104 and the second baffle 105 are welded together. The bottom of the second central column 101 is inserted into the first plug 103 at the top of the first central column 101. The two first baffles 102 are connected and stabilized. The first sleeve 201 is inserted into the second plug 104 through the connecting hole 202, and the second baffle 105 is used to limit the position.

[0026] In this embodiment, the quick-install mechanism includes a forward and reverse threaded screw rod 203, a first handle 204 is provided in the middle of the forward and reverse threaded screw rod 203, the first handle 204 and the forward and reverse threaded screw rod 203 are welded together, a first sleeve 201 is installed at one end of the forward and reverse threaded screw rod 203, a connecting hole 202 is provided at the end of the first sleeve 201 away from the forward and reverse threaded screw rod 203, the second plug 104 and the connecting hole 202 have the same cross-sectional shape, both are square, a second sleeve 205 is installed at the end of the forward and reverse threaded screw rod 203 away from the first sleeve 201, and a second handle 206 is provided on the second sleeve 205 near the forward and reverse threaded screw rod 203. 206 and the second sleeve 205 are welded together. A ball joint 207 is provided at one end of the second sleeve 205 away from the forward and reverse threaded screw rod 203. Two first handles 204 and second handles 206 are symmetrically provided respectively. The first handle 204 and the second handle 206 are held and the first handle 204 is rotated to rotate the forward and reverse threaded screw rod 203. The forward and reverse threaded screw rod 203 is simultaneously screwed out of the first sleeve 201 and the second sleeve 205 through the thread engagement, pushing the second sleeve 205 to extend, so that the ball joint 207 at the end of the second sleeve 205 presses the protective extrusion plate 301 onto the steel cage of the side wall of the deep foundation pit through the ball joint seat 303 and fixes it.

[0027] In this embodiment: the pushing mechanism includes a protective extrusion plate 301, the protective extrusion plate 301 is arc-shaped, and a fixed seat 302 is provided on the inner side. The fixed seat 302 and the protective extrusion plate 301 are welded together, and a ball joint seat 303 is provided at one end of the fixed seat 302. The ball joint seat 303 and the fixed seat 302 are bolted together, and the ball joint seat 303 presses the protective extrusion plate 301 on the steel cage on the side wall of the deep foundation pit through the fixed seat 302 and fixes it.

[0028] Working principle: first place the center column 101 at the center of the deep foundation pit, then insert the first sleeve 201 into the second plug 104 through the connecting hole 202, and limit the second baffle 105 so that the ball joint head 207 at the end of the second sleeve 205 supports the protective extrusion plate 301 close to the steel cage on the side wall of the deep foundation pit through the ball joint seat 303, and then hold the first handle 204 and the second handle 206, and rotate the first handle 204 to push the forward and reverse threaded screw rods 203 to rotate, and the forward and reverse threaded screw rods 203 are simultaneously screwed out of the first handle 204 through the thread engagement. The sleeve 201 and the second sleeve 205 push the second sleeve 205 to extend, so that the ball joint head 207 at the end of the second sleeve 205 presses the protective extrusion plate 301 on the steel cage on the side wall of the deep foundation pit through the ball joint seat 303, and then inserts the first plug 103 at the top of the first center column 101 with the bottom of the second center column 101, and connects them stably through the two first baffles 102. According to the above steps, the center columns 101 are stacked in layers, and the steel cages of different heights are pushed and pressed from the inner circumference to complete the shaped support.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A deep foundation pit main structure casting and forming device, comprising a plurality of pushing mechanisms for pushing and compacting a steel cage, the pushing mechanisms being evenly distributed along the circumference, and characterized in that: It also includes a central support connection and fixation central mechanism, the central mechanism is evenly distributed around the circumference of a number of quick-installation mechanisms for plug-in installation and bidirectional simultaneous telescopic adjustment of the pushing distance, the pushing mechanism is installed at one end of the quick-installation mechanism; The central mechanism comprises a central column (101), the central column (101) is cylindrical with an open bottom end, the central column (101) is symmetrically provided with two first baffles (102) above and below, the top of the central column (101) is provided with a first plug (103), the circumference of the central column (101) is evenly distributed with a plurality of second plugs (104), and the second baffles (105) are provided on the second plugs (104); The quick-install mechanism comprises a forward and reverse threaded screw rod (203), a first handle (204) is provided in the middle of the forward and reverse threaded screw rod (203), a first sleeve (201) is installed at one end of the forward and reverse threaded screw rod (203), a connecting hole (202) is provided at one end of the first sleeve (201) away from the forward and reverse threaded screw rod (203), a second sleeve (205) is installed at one end of the forward and reverse threaded screw rod (203) away from the first sleeve (201), a second handle (206) is provided at the second sleeve (205) near the forward and reverse threaded screw rod (203), and a ball joint (207) is provided at one end of the second sleeve (205) away from the forward and reverse threaded screw rod (203).

2. A deep foundation pit main structure casting and forming device according to claim 1, characterized in that: The pushing mechanism comprises a protective extrusion plate (301), the protective extrusion plate (301) is arc-shaped, a fixing seat (302) is provided on the inner side, and a ball joint seat (303) is provided at one end of the fixing seat (302).

3. A deep foundation pit main structure casting and forming device according to claim 2, characterized in that: The fixing seat (302) and the protective extrusion plate (301) are welded together, and the ball joint seat (303) and the fixing seat (302) are bolted together.

4. The deep foundation pit main structure casting and forming device according to claim 1, characterized in that: The second plug (104) and the connecting hole (202) have the same cross-sectional shape, both being square.

5. The deep foundation pit main structure casting and forming device according to claim 1, characterized in that: The central column (101), the first baffle (102), the first plug (103), the second plug (104) and the second baffle (105) are welded together.

6. The deep foundation pit main structure casting and molding device according to claim 1, characterized in that: Two of the first handle (204) and the second handle (206) are symmetrically provided, respectively; the first handle (204) and the forward and reverse threaded screw rod (203) are welded together, and the second handle (206) and the second sleeve (205) are welded together.

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