Cast-in-situ bored pile construction platform for municipal bridge

Abstract

The utility model relates to the technical field of construction platforms, in particular to a municipal bridge cast-in-situ bored pile construction platform which comprises a movable base, a fixed support is connected to the end face of the movable base, a lifting platform structure is connected to the fixed support, and a controller is connected to the side wall of the lifting platform structure. A fixing structure is centered on the end face of the lifting platform structure, the lifting platform structure comprises a movable frame, the movable frame is connected to a fixing support, two sets of fixing shells are connected to the side wall of the movable frame, and lifting motors are connected to the bottoms of the two sets of fixing shells through connecting bases. The centering fixing structure is arranged in the municipal bridge cast-in-situ bored pile construction platform, so that the reinforcement cage is fixed by the driving motor in the centering fixing structure through the transmission structure, and the stability of the reinforcement cage can be ensured during cast-in-situ pile construction.

Description

Technical Field

[0001] The utility model relates to the technical field of construction platforms, in particular to a bored cast-in-place pile construction platform for municipal bridges. Background Art

[0002] During the construction of bored cast-in-place piles for bridges, installing the steel cage inside the steel casing is an extremely important process. During the pouring of the lower steel cage and concrete, a construction platform is required as an auxiliary tool to ensure the relative deviation during the installation of the upper and lower steel cages, and to provide a stable support platform for the bored cast-in-place pile concrete.

[0003] The traditional bored pile construction platform is a temporary platform built according to the situation on site. During this process, it consumes more labor and is more troublesome to dismantle. At the same time, the steel cage will shift during the pouring process, which will affect the quality of the bored pile. In response to the above problems, it is necessary to provide a bored pile construction platform for municipal bridges. Utility Model Content

[0004] In order to solve the problem that the bored pile construction platform is a temporary platform built according to the situation on site, which requires more labor and is more troublesome to dismantle, and the steel cage will shift during the pouring process, thereby affecting the quality of the bored piles, the utility model provides a bored pile construction platform for municipal bridges to solve the above problems.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A bored pile construction platform for municipal bridges comprises a mobile base, a fixed bracket connected to the end face of the mobile base, a lifting platform structure connected to the fixed bracket, a controller connected to the side wall of the lifting platform structure, and a centering fixed structure on the end face of the lifting platform structure;

[0007] The lifting platform structure includes a mobile frame, which is connected to a fixed bracket, and two groups of fixed shells are connected to the side walls of the mobile frame. The bottoms of the two groups of fixed shells are connected to a lifting motor through a connecting seat, and the driving end of the lifting motor is located in the inner cavity of the fixed shell and is connected to a driving worm. The side wall of the driving worm is meshed with a driven worm gear, and the center of the driven worm gear is connected to a rotating rod, and a rotating gear is symmetrically connected on the side wall of the rotating rod and located in the inner cavity of the mobile frame. A fixed rack is connected to the side wall of the rotating gear, and the fixed rack is connected to the side wall of the fixed bracket. A fixed platform is connected to the end face of the mobile frame, and the controller is connected to the side wall of the mobile frame.

[0008] As a preferred solution of the present utility model, the centering and fixing structure includes a fixed connecting plate, the fixed connecting plate is connected to the end face of the fixed platform, the bottom of the fixed connecting plate is connected with a driving motor through a connecting seat, the driving end of the driving motor is connected with a driving rotating rod through a coupling, a driving gear is connected to the side wall of the driving rotating rod and above the fixed connecting plate, an engaging gear is meshed and connected to the side wall of the driving gear, an annular sliding rail is connected to the bottom of the engaging gear, the annular sliding rail is connected to the end face of the fixed connecting plate, multiple driven gears are connected to the side wall of the engaging gear, a rotating rod is connected to the center of the driven gear, a moving rack is connected to the side wall of the driven gear, a fixed sliding rail is connected to the side wall of the moving rack, the fixed sliding rail is connected to the end face of the fixed connecting plate through a connecting seat, and an arc-shaped clamping plate is connected to one end of the moving rack.

[0009] As a preferred solution of the present utility model, a sliding groove is correspondingly opened on the moving frame and corresponding to the support rod of the fixed bracket, and the connection mode between the fixed bracket and the sliding groove is a sliding connection. The lifting motor is connected to the controller through a wire and the connection mode is an electrical connection.

[0010] As a preferred solution of the present utility model, the driving worm is connected to the inner cavity of the fixed housing through a bearing seat, and the connection mode between the driving worm and the bearing seat is a rotational connection.

[0011] As a preferred solution of the present utility model, the rotating rod is connected to the side wall of the moving frame through a bearing seat, and the connection mode between the rotating rod and the bearing seat is a rotational connection. The driving motor is connected to the controller through a wire and the connection mode is an electrical connection.

[0012] As a preferred solution of the present utility model, the driving rotating rod is connected to the end face of the fixed connecting plate through a bearing seat, and the connection mode between the driving rotating rod and the bearing seat is a rotational connection.

[0013] As a preferred solution of the present utility model, a sliding groove is correspondingly opened at the bottom of the engaging gear and corresponding to the annular sliding rail, and the connection mode between the annular sliding rail and the sliding groove is a sliding connection.

[0014] As a preferred solution of the present utility model, the rotating rod is connected to the end face of the fixed connecting plate through a bearing seat, and the connection mode between the rotating rod and the bearing seat is a rotational connection. A sliding groove is correspondingly opened on the fixed sliding rail and corresponding to the moving rack, and the connection mode between the moving rack and the sliding groove is a sliding connection.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] In the present utility model, by providing a lifting platform structure in the construction platform for bored cast-in-place piles of municipal bridges, the height of the fixed platform can be adjusted by the lifting motor in the lifting platform structure through a transmission structure, and the height of the fixed platform can be adjusted according to the usage requirements, making the device more convenient during use.

[0017] In the present utility model, by providing a centering and fixing structure in the construction platform for bored cast-in-place piles of municipal bridges, the steel reinforcement cage can be fixed by the driving motor in the centering and fixing structure through a transmission structure, ensuring the stability of the steel reinforcement cage during the construction of cast-in-place piles. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic isometric structure view of the present utility model;

[0019] Figure 2 is a schematic structural view of the lifting platform structure of the present utility model;

[0020] Figure 3 is of the present utility model Figure 2 partial structural view;

[0021] Figure 4 is a schematic structural view of the centering and fixing structure of the present utility model;

[0022] Figure 5 is of the present utility model Figure 4 partial structural view.

[0023] In the figure: 1, moving base; 2, fixed bracket; 3, lifting platform structure; 4, controller; 5, centering and fixing structure; 301, moving frame; 302, fixed housing; 303, lifting motor; 304, driving worm; 305, driven worm gear; 306, rotating rod; 307, rotating gear; 308, fixed rack; 309, fixed platform; 501, fixed connecting plate; 502, driving motor; 503, driving rotating rod; 504, driving gear; 505, connecting gear; 506, annular slide rail; 507, driven gear; 508, rotating rotating rod; 509, moving rack; 510, fixed slide rail; 511, arc-shaped clamping plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment, please refer toFigures 1-5 , the present utility model provides a technical solution:

[0026] A construction platform for bored cast-in-place piles of municipal bridges, including a moving base 1, a fixed bracket 2 is connected to the end face of the moving base 1, a lifting platform structure 3 is connected to the fixed bracket 2, a controller 4 is connected to the side wall of the lifting platform structure 3, and a centering and fixing structure 5 is on the end face of the lifting platform structure 3;

[0027] In this embodiment, referring to Figure 1 、 Figure 2 and Figure 3 , the lifting platform structure 3 includes a moving frame 301, the moving frame 301 is connected to the fixed bracket 2, two groups of fixed shells 302 are connected to the side wall of the moving frame 301, a lifting motor 303 is connected to the bottom of the two groups of fixed shells 302 through a connecting seat, a driving worm 304 is connected to the driving end of the lifting motor 303 and is located in the inner cavity of the fixed shell 302, a driven worm gear 305 is meshed and connected to the side wall of the driving worm 304, a rotating rod 306 is connected to the center of the driven worm gear 305, two rotating gears 307 are symmetrically connected to the side wall of the rotating rod 306 and are located in the inner cavity of the moving frame 301, a fixed rack 308 is connected to the side wall of the rotating gear 307, the fixed rack 308 is connected to the side wall of the fixed bracket 2, a fixed platform 309 is connected to the end face of the moving frame 301, and the controller 4 is connected to the side wall of the moving frame 301;

[0028] Based on the above structure and the connection relationship of the above structure, by controlling the lifting motor 303 through the controller 4, when the driving end of the lifting motor 303 rotates, it drives the driving worm 304, the driven worm gear 305, the rotating rod 306 and the rotating gear 307 to rotate in sequence. When the rotating gear 307 rotates, it drives the moving frame 301, the fixed platform 309 and the centering and fixing structure 5 to move downward;

[0029] Furthermore, the lifting motor 303 is connected to the controller 4 through a wire and the connection method is electrically connected, and the operation of the lifting motor 303 can be controlled through the controller 4;

[0030] Furthermore, a chute is correspondingly opened on the moving frame 301 and corresponds to the support rod of the fixed bracket 2, and the connection method between the fixed bracket 2 and the chute is sliding connection. The driving worm 304 is connected to the inner cavity of the fixed shell 302 through a bearing seat, and the connection method between the driving worm 304 and the bearing seat is rotational connection. The rotating rod 306 is connected to the side wall of the moving frame 301 through a bearing seat, and the connection method between the rotating rod 306 and the bearing seat is rotational connection. Through the interaction between the various components in the lifting platform structure 3, the lifting platform structure 3 can operate smoothly during use;

[0031] In this embodiment, with reference to Figure 1 , Figure 4 and Figure 5 , the centering and fixing structure 5 includes a fixed connecting plate 501. The fixed connecting plate 501 is connected to the end face of the fixed platform 309. The bottom of the fixed connecting plate 501 is connected with a driving motor 502 through a connecting seat. The driving end of the driving motor 502 is connected with a driving rotating rod 503 through a coupling. A driving gear 504 is connected to the side wall of the driving rotating rod 503 and above the fixed connecting plate 501. An engaging gear 505 is meshed and connected to the side wall of the driving gear 504. An annular sliding rail 506 is connected to the bottom of the engaging gear 505. The annular sliding rail 506 is connected to the end face of the fixed connecting plate 501. Multiple driven gears 507 are connected to the side wall of the engaging gear 505. A rotating rod 508 is connected to the center of the driven gear 507. A moving rack 509 is connected to the side wall of the driven gear 507. A fixed sliding rail 510 is connected to the side wall of the moving rack 509. The fixed sliding rail 510 is connected to the end face of the fixed connecting plate 501 through a connecting seat. One end of the moving rack 509 is connected with an arc-shaped clamping plate 511;

[0032] Based on the above structure and the connection relationship of the above structure, by controlling the driving motor 502 through the controller 4, when the driving end of the driving motor 502 rotates, it drives the driving rotating rod 503, the driving gear 504, the engaging gear 505, multiple driven gears 507, and the rotating rod 508 to rotate in sequence. When the driven gear 507 rotates, it drives multiple moving racks 509 and the arc-shaped clamping plate 511 to move towards the middle;

[0033] Furthermore, the driving motor 502 is connected to the controller 4 through a wire and the connection method is electrical connection, and the operation of the driving motor 502 can be controlled through the controller 4;

[0034] Furthermore, the driving rotating rod 503 is connected to the end face of the fixed connecting plate 501 through a bearing seat, and the connection method between the driving rotating rod 503 and the bearing seat is rotational connection. A sliding groove is correspondingly opened at the bottom of the engaging gear 505 and corresponding to the annular sliding rail 506, and the connection method between the annular sliding rail 506 and the sliding groove is sliding connection. The rotating rod 508 is connected to the end face of the fixed connecting plate 501 through a bearing seat, and the connection method between the rotating rod 508 and the bearing seat is rotational connection. A sliding groove is correspondingly opened on the fixed sliding rail 510 and corresponding to the moving rack 509, and the connection method between the moving rack 509 and the sliding groove is sliding connection. Through the interaction between the components in the centering and fixing structure 5, the centering and fixing structure 5 can operate smoothly during use.

[0035] Working process of the utility model: When using the construction platform for bored cast-in-place piles of municipal bridges, first push the device directly above the steel reinforcement cage, and then connect the device to the power supply to make the device in a working state. Under the condition that the lifting motor 303 is connected to the controller 4 through a wire and the connection method is electrical connection, start the lifting motor 303 to make the driving end of the lifting motor 303 rotate. Under the condition that the driving worm 304 is connected to the inner cavity of the fixed housing 302 through a bearing seat and the connection method between the driving worm 304 and the bearing seat is rotational connection, drive the driving worm 304 to rotate. Under the condition that the driven worm wheel 305 is meshed and connected to the side wall of the driving worm 304, drive the driven worm wheel 305 to rotate. Under the condition that the rotating rod 306 is connected to the side wall of the moving frame 301 through a bearing seat and the connection method between the rotating rod 306 and the bearing seat is rotational connection, drive the rotating rod 306 to rotate. When the rotating rod 306 rotates, drive the rotating gear 307 to rotate. A fixed rack 308 is connected to the side wall of the rotating gear 307. A chute is correspondingly formed on the moving frame 301 and corresponds to the support rod of the fixed support 2. Under the condition that the connection method between the fixed support 2 and the chute is sliding connection, the moving frame 301, the fixed platform 309 and the centering and fixing structure 5 move downward, so that the arc-shaped clamping plates 511 on the centering and fixing structure 5 are located around the steel reinforcement cage;

[0036] Start the drive motor 502 under the condition that the drive motor 502 is connected to the controller 4 through a wire and the connection method is electrical connection, so that the drive end of the drive motor 502 rotates. Drive the drive rod 503 to rotate under the condition that the drive rod 503 is connected to the end face of the fixed connecting plate 501 through a bearing block, and the connection method between the drive rod 503 and the bearing block is a rotating connection. A drive gear 504 is connected to the side wall of the drive rod 503 and above the fixed connecting plate 501. An engaging gear 505 is meshed with the side wall of the drive gear 504. An annular slide rail 506 is connected to the bottom of the engaging gear 505. A chute is provided at the bottom of the engaging gear 505 corresponding to the annular slide rail 506. Drive the engaging gear 505 to rotate under the condition that the connection method between the annular slide rail 506 and the chute is a sliding connection. A plurality of driven gears 507 are connected to the side wall of the engaging gear 505. A rotating rod 508 is connected to the center of the driven gear 507. The rotating rod 508 is connected to the end face of the fixed connecting plate 501 through a bearing block. Drive the driven gear 507 to rotate under the condition that the connection method between the rotating rod 508 and the bearing block is a rotating connection. A moving rack 509 is connected to the side wall of the driven gear 507. A fixed slide rail 510 is connected to the side wall of the moving rack 509. The fixed slide rail 510 is connected to the end face of the fixed connecting plate 501 through a connecting seat. An arc-shaped clamping plate 511 is connected to one end of the moving rack 509. A chute is provided on the fixed slide rail 510 corresponding to the moving rack 509. Drive a plurality of moving racks 509 and the arc-shaped clamping plates 511 to move towards the middle under the condition that the connection method between the moving rack 509 and the chute is a sliding connection, so as to clamp the steel reinforcement cage.

[0037] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction platform for bored cast-in-place piles of municipal bridges, comprising a movable base (1), characterized in that: A fixed bracket (2) is connected to the end face of the moving base (1), a lifting platform structure (3) is connected to the fixed bracket (2), a controller (4) is connected to the side wall of the lifting platform structure (3), and a centering and fixing structure (5) is centered on the end face of the lifting platform structure (3); The lifting platform structure (3) includes a moving frame (301), the moving frame (301) is connected to the fixed bracket (2), two groups of fixed shells (302) are connected to the side wall of the moving frame (301), a lifting motor (303) is connected to the bottom of the two groups of fixed shells (302) through a connecting seat, a driving worm (304) is connected to the driving end of the lifting motor (303) and is located in the inner cavity of the fixed shell (302), a driven worm gear (305) is meshed and connected to the side wall of the driving worm (304), a rotating rod (306) is connected to the center of the driven worm gear (305), two rotating gears (307) are symmetrically connected to the side wall of the rotating rod (306) and are located in the inner cavity of the moving frame (301), a fixed rack (308) is connected to the side wall of the rotating gear (307), the fixed rack (308) is connected to the side wall of the fixed bracket (2), a fixed platform (309) is connected to the end face of the moving frame (301), and the controller (4) is connected to the side wall of the moving frame (301).

2. The construction platform for bored cast-in-place piles of municipal bridges according to claim 1, wherein: The centering and fixing structure (5) includes a fixed connecting plate (501), the fixed connecting plate (501) is connected to the end face of the fixed platform (309), a driving motor (502) is connected to the bottom of the fixed connecting plate (501) through a connecting seat, a driving rotating rod (503) is connected to the driving end of the driving motor (502) through a coupling, a driving gear (504) is connected to the side wall of the driving rotating rod (503) and is located above the fixed connecting plate (501), an engaging gear (505) is meshed and connected to the side wall of the driving gear (504), an annular sliding rail (506) is connected to the bottom of the engaging gear (505), the annular sliding rail (506) is connected to the end face of the fixed connecting plate (501), multiple groups of driven gears (507) are connected to the side wall of the engaging gear (505), a rotating rotating rod (508) is connected to the center of the driven gear (507), a moving rack (509) is connected to the side wall of the driven gear (507), a fixed sliding rail (510) is connected to the side wall of the moving rack (509), the fixed sliding rail (510) is connected to the end face of the fixed connecting plate (501) through a connecting seat, and an arc-shaped clamping plate (511) is connected to one end of the moving rack (509).

3. The construction platform for bored cast-in-place piles of municipal bridges according to claim 2, characterized in that: Chutes are correspondingly opened on the moving frame (301) corresponding to the support rods of the fixed bracket (2), and the connection mode between the fixed bracket (2) and the chutes is a sliding connection. The lifting motor (303) is connected to the controller (4) through a wire and the connection mode is an electrical connection.

4. A construction platform for bored cast-in-place piles of municipal bridges according to claim 2, characterized in that: The driving worm (304) is connected in the inner cavity of the fixed housing (302) through a bearing seat, and the connection mode between the driving worm (304) and the bearing seat is a rotational connection.

5. A construction platform for bored cast-in-place piles of municipal bridges according to claim 2, characterized in that: The rotating rod (306) is connected to the side wall of the moving frame (301) through a bearing seat, and the connection mode between the rotating rod (306) and the bearing seat is a rotational connection. The driving motor (502) is connected to the controller (4) through a wire, and the connection mode is an electrical connection.

6. A construction platform for bored cast-in-place piles of municipal bridges according to claim 2, characterized in that: The driving rotating rod (503) is connected to the end face of the fixed connecting plate (501) through a bearing seat, and the connection mode between the driving rotating rod (503) and the bearing seat is a rotational connection.

7. A construction platform for bored cast-in-place piles of municipal bridges according to claim 2, characterized in that: A chute is correspondingly provided at the bottom of the connecting gear (505) and corresponding to the annular slide rail (506), and the connection mode between the annular slide rail (506) and the chute is a sliding connection.

8. A construction platform for bored cast-in-place piles of municipal bridges according to claim 2, characterized in that: The rotating rotating rod (508) is connected to the end face of the fixed connecting plate (501) through a bearing seat, and the connection mode between the rotating rotating rod (508) and the bearing seat is a rotational connection. A chute is correspondingly provided on the fixed slide rail (510) and corresponding to the moving rack (509), and the connection mode between the moving rack (509) and the chute is a sliding connection.

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