A mounting mechanism for a bottom shaft driven flap gate

Abstract

This invention relates to the field of gate installation technology, and particularly to an installation mechanism for a bottom-shaft driven flap gate. It includes a first end-shaft support assembly, a second end-shaft support assembly, and a movable support platform. Two sets of laser emitters and two sets of laser receivers are respectively installed on the first and second end-shaft support assemblies. A dynamic support structure is provided on the movable support platform. The dynamic support structure includes a central shaft support plate. Two sets of first calibration detectors and two sets of second calibration detectors are fixedly installed at the bottom of the central shaft support plate. The dynamic support structure is used to dynamically adjust the position of the central shaft according to the angle between the central shaft and the end shaft. This invention can detect the position of the central shaft during transport, and thus fine-tune the position of the central shaft through the dynamic support structure to complete the alignment operation between the end shaft and the central shaft. The entire process can be automatically achieved through the dynamic support structure, improving alignment accuracy and shortening construction time.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of gate installation, and particularly relates to a mounting mechanism for a bottom shaft driven flap gate. BACKGROUND

[0002] The bottom shaft driven flap gate is a hydraulic structure that controls the opening and closing of a gate plate through a driving shaft installed at the bottom of the gate. It uses the rotating shaft at the bottom as a fulcrum and pushes the gate plate to rotate around the bottom shaft through a hydraulic or mechanical driving device, thereby realizing the functions of damming water and discharging flood water. This gate structure is simple, flexible in opening and closing, can effectively regulate the upstream water level, has good flow conditions, strong flood discharge capacity, and is commonly used in urban landscape rivers, small and medium-sized water conservancy hubs and other scenes to meet the needs of flood control safety and ecological landscape.

[0003] When installing a large-sized flap gate, the size of the bottom shaft is large and difficult to transport directly, and segmented transportation and installation are often used. During the installation process, hoisting and manual alignment are generally used for installation, which is difficult to operate, and the process of adjusting the butt joint of the bottom shaft is very slow, affecting the construction progress. SUMMARY

[0004] The purpose of the present application is to provide a mounting mechanism for a bottom shaft driven flap gate, which aims to solve the problem that during the installation process, hoisting and manual alignment are generally used for installation, which is difficult to operate, and the process of adjusting the butt joint of the bottom shaft is very slow, affecting the construction progress.

[0005] The present application is implemented as follows: a mounting mechanism for a bottom shaft driven flap gate, the mounting mechanism for the bottom shaft driven flap gate comprises a first end shaft support assembly, a second end shaft support assembly and a mobile support platform, the first end shaft support assembly and the second end shaft support assembly are used to support two groups of end shafts respectively, two groups of laser emitters and two groups of laser receivers are arranged on the first end shaft support assembly and the second end shaft support assembly respectively, a dynamic support structure is arranged on the mobile support platform, the dynamic support structure comprises a middle shaft support plate, two groups of first calibration detectors and two groups of second calibration detectors are fixedly installed at the bottom of the middle shaft support plate, the first calibration detectors and the second calibration detectors are used to determine the included angle between the middle shaft and the end shaft according to the irradiation position of the laser, and the dynamic support structure is used to dynamically adjust the position of the middle shaft according to the included angle relationship between the middle shaft and the end shaft, so that the axes of the middle shaft and the end shaft coincide.

[0006] Preferably, the first end shaft support assembly comprises a first hydraulic rod and a first end shaft support plate, the laser emitter is fixedly installed on the first end shaft support plate, the first end shaft support plate is fixedly installed above the first hydraulic rod, the second end shaft support assembly comprises a second hydraulic rod, the second hydraulic rod is fixedly installed with a second end shaft support plate, the laser receiver is fixedly installed on the second end shaft support plate, and the cross sections of the first end shaft support plate and the second end shaft support plate are both V-shaped.

[0007] Preferably, the dynamic support structure comprises two groups of sliding support assemblies and two groups of fixed support assemblies, the sliding support assembly comprises a third hydraulic rod and a fourth hydraulic rod, the third hydraulic rod is installed on the moving support platform through a mounting seat, the mounting seat is rotationally connected with the third hydraulic rod, the fourth hydraulic rod is installed on the moving support platform through a fixed support seat, the fixed support seat is rotationally connected with the fourth hydraulic rod, the third hydraulic rod is fixedly installed with a first connecting sleeve, the first connecting sleeve is rotationally connected with the telescopic end of the fourth hydraulic rod, the telescopic end of the third hydraulic rod is rotationally connected with a sliding seat, the sliding seat is rotationally connected with a sliding block, the sliding block is slidably arranged in a sliding groove arranged on the middle shaft support plate; the fixed support assembly comprises a fifth hydraulic rod and a sixth hydraulic rod, the fifth hydraulic rod is rotationally connected with the moving support platform, the telescopic end of the fifth hydraulic rod is rotationally connected with a group of rotating seats, the rotating seats are rotationally connected with the middle shaft support plate, the fifth hydraulic rod is fixedly installed with a second connecting sleeve, the second connecting sleeve is rotationally connected with the telescopic end of the sixth hydraulic rod, and the sixth hydraulic rod is rotationally connected with the moving support platform through a group of fixed support seats.

[0008] Preferably, the first calibration detector and the second calibration detector are completely same in structure, the first calibration detector comprises a shell, a laser sensing sheet and a beam splitter, the beam splitter is obliquely arranged in the shell, the angle between the beam splitter and the axis of the middle shaft is 45°, and the angle between the laser sensing sheet and the beam splitter is 45°, and the laser sensing sheet is used for detecting the position of laser irradiation.

[0009] Preferably, the middle shaft support plate is provided with an anti-skid layer.

[0010] Preferably, the middle shaft support plate, the first end shaft support plate and the second end shaft support plate have the same cross-sectional shape.

[0011] Preferably, the middle shaft support plate, the first end shaft support plate and the second end shaft support plate are all provided with laser range finders.

[0012] The installation mechanism for the bottom shaft driving flap gate provided by the application can detect the position state of the middle shaft when the middle shaft is carried, so that the position of the middle shaft is finely adjusted through the dynamic support structure to complete the centering operation of the end shaft and the middle shaft, the whole process can be automatically realized through the dynamic support structure, the centering accuracy is improved, and the construction time is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A first perspective view of the mounting mechanism for the bottom shaft driven flap gate according to an embodiment of the present application is provided;

[0014] Figure 2 A second perspective view of the mounting mechanism for the bottom shaft driven flap gate according to an embodiment of the present application is provided;

[0015] Figure 3 A first perspective view of the mounting mechanism for the bottom shaft driven flap gate according to an embodiment of the present application is provided; Figure 2 A local enlarged view of A in the middle;

[0016] Figure 4 A schematic view of the internal structure of the first calibration detector according to an embodiment of the present application is provided;

[0017] Figure 5 A schematic view of the principle of the bottom shaft offset detection according to an embodiment of the present application is provided.

[0018] In the drawings: 1, first end shaft support plate; 2, first hydraulic rod; 3, laser emitter; 4, middle shaft support plate; 5, moving support platform; 6, second hydraulic rod; 7, second end shaft support plate; 8, laser receiver; 9, first calibration detector; 10, second calibration detector; 11, sliding groove; 12, mounting seat; 13, third hydraulic rod; 14, first connecting sleeve; 15, fourth hydraulic rod; 16, sliding seat; 17, fixed support seat; 18, fifth hydraulic rod; 19, second connecting sleeve; 20, rotating seat; 21, sixth hydraulic rod; 22, laser sensing sheet; 23, beam splitter. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0020] The specific implementation of the present application is described in detail below in combination with specific embodiments.

[0021] As Figure 1 , Figure 2 and Figure 3The utility model discloses a kind of installation mechanisms for bottom shaft drive flap gate provided by the embodiment of the application, the installation mechanisms for bottom shaft drive flap gate include first end shaft support assembly, second end shaft support assembly and mobile support platform 5, first end shaft support assembly and second end shaft support assembly are used to support two groups of end shaft respectively, two groups of laser emitters 3 and two groups of laser receivers 8 are respectively provided on first end shaft support assembly and second end shaft support assembly, dynamic support structure is provided on mobile support platform 5, and dynamic support structure includes middle shaft support plate 4, two groups of first calibration detector 9 and two groups of second calibration detector 10 are fixedly installed on the bottom of middle shaft support plate 4, and first calibration detector 9 and second calibration detector 10 are used to determine the included angle between middle shaft and end shaft according to the irradiation position of laser, and dynamic support structure is used to dynamically adjust the position of middle shaft according to the included angle relationship between middle shaft and end shaft, so that the axis of middle shaft and end shaft coincides.

[0022] In the embodiment, when construction is carried out, the whole bottom shaft is composed of multiple shaft bodies, wherein the shaft bodies at two ends are called end shafts, the end shafts are installed first, and are directly installed on the wall bodies on two sides, measurement is carried out through total station, the axis of the two groups of end shafts is ensured to coincide, the first end shaft support assembly and the second end shaft support assembly are respectively installed on the two groups of end shafts, the end shaft is assisted and supported from the bottom, the laser emitted by the two groups of laser emitters 3 is respectively received by the two groups of laser receivers 8 on the opposite side, at this time, the path where the laser is located is parallel to the axis of the whole shaft body, the middle shaft is placed on the middle shaft support plate 4 through hoisting equipment, there are two groups of lasers, that is, there are two groups of laser paths, laser emitter 3-first calibration detector 9-second calibration detector 10-laser receiver 8, when the axis of the middle shaft and the end shaft coincides, the light emitted by the laser emitter 3 will pass through the center point of the first calibration detector 9 and the second calibration detector 10 in each group of path, and finally reaches the corresponding laser receiver;

[0023] In the process of adjustment, the center shaft is placed on the center shaft support plate 4, and is transported to the approximate installation position by manually controlling the moving support platform 5 to transfer, at this time, the first calibration detector 9 and the second calibration detector 10 will simultaneously detect the laser emitted by the laser emitter 3, the first calibration detector 9 and the second calibration detector 10 determine the current center shaft angle by detecting the position of the laser irradiation, control the dynamic support structure based on the center shaft angle, adjust the position of the center shaft support plate 4 through the dynamic support structure, realize the position adjustment of the center shaft, until the laser accurately passes through the center point of the first calibration detector 9 and the second calibration detector, then the moving support platform is translated to align the end shaft with the center shaft, if the position of the center shaft deviates slightly during the transfer process, the dynamic support structure is adjusted appropriately, in the process of fine adjustment, the effect of automatic operation is realized, and the alignment accuracy is improved, in this embodiment, the distance between the end shaft and the end of the center shaft can be detected by setting the laser range finder, so that the two have the best welding gap, then welding, after welding at one end, the welded end of the center shaft is temporarily supported, then the next section of the center shaft is transferred by the installation mechanism, and the bottom shaft is spliced and installed.

[0024] As shown in Figure 1 , Figure 2 and Figure 3 , as a preferred embodiment of the present application, the first end shaft support assembly includes a first hydraulic rod 2 and a first end shaft support plate 1, and the laser emitter 3 is fixedly installed on the first end shaft support plate 1, and the first end shaft support plate 1 is fixedly installed above the first hydraulic rod 2, and the second end shaft support assembly includes a second hydraulic rod 6, and the second hydraulic rod 6 is fixedly installed with a second end shaft support plate 7, and the laser receiver 8 is fixedly installed on the second end shaft support plate 7, and the cross sections of the first end shaft support plate 1 and the second end shaft support plate 7 are both V-shaped.

[0025] In this embodiment, after the installation of the end shaft is completed, the first end shaft support assembly and the second end shaft support assembly are installed on the ground, in order to ensure the supporting force of the ground, a steel plate can be temporarily laid on the ground to improve the supporting stability, by controlling the first hydraulic rod 2 and the second hydraulic rod 6 to rise, the first end shaft support plate 1 and the second end shaft support plate 7 form support for the two groups of end shafts respectively, since the axes of the two groups of end shafts coincide, the light emitted by the laser emitter 3 will be parallel to the axis of the end shaft, and will reach the laser receiver 8 located on the second end shaft support plate 7, since the cross sections of the first end shaft support plate 1 and the second end shaft support plate 7 are both V-shaped, the effect of automatic alignment can be achieved.

[0026] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown in the drawings, as a preferred embodiment of the present application, the dynamic support structure comprises two sets of sliding support assemblies and two sets of fixed support assemblies, the sliding support assembly comprises a third hydraulic rod 13 and a fourth hydraulic rod 15, the third hydraulic rod 13 is installed on the moving support platform 5 through a mounting seat 12, the mounting seat 12 is rotationally connected with the third hydraulic rod 13, the fourth hydraulic rod 15 is installed on the moving support platform 5 through a fixed support seat 17, the fixed support seat 17 is rotationally connected with the fourth hydraulic rod 15, a first connecting sleeve 14 is fixedly installed on the third hydraulic rod 13, the first connecting sleeve 14 is rotationally connected with the telescopic end of the fourth hydraulic rod 15, the telescopic end of the third hydraulic rod 13 is rotationally connected with a sliding seat 16, the sliding seat 16 is rotationally connected with a sliding block, a sliding groove 11 is arranged on the central shaft support plate 4, and the sliding block is slidingly arranged in the sliding groove 11; the fixed support assembly comprises a fifth hydraulic rod 18 and a sixth hydraulic rod 21, the fifth hydraulic rod 18 is rotationally connected with the moving support platform 5, the telescopic end of the fifth hydraulic rod 18 is rotationally connected with a set of rotating seats 20, the rotating seat 20 is rotationally connected with the central shaft support plate 4, a second connecting sleeve 19 is fixedly installed on the fifth hydraulic rod 18, the second connecting sleeve 19 is rotationally connected with the telescopic end of the sixth hydraulic rod 21, and the sixth hydraulic rod 21 is rotationally connected with the moving support platform 5 through a set of fixed support seats 17.

[0027] As shown in the drawings, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown in the drawings, as a preferred embodiment of the present application, the structures of the first calibration detector 9 and the second calibration detector 10 are completely the same, the first calibration detector 9 comprises a shell, a laser sensing sheet 22 and a beam splitter 23, the beam splitter 23 is obliquely arranged in the shell, the included angle between the beam splitter 23 and the axis of the central shaft is 45°, and the included angle between the laser sensing sheet 22 and the beam splitter 23 is 45°, and the laser sensing sheet 22 is used for detecting the position of laser irradiation.

[0028] In this embodiment, the central shaft is moved by the moving support platform 5, so that the laser simultaneously passes through the first calibration detector 9 and the second calibration detector 10, and the first calibration detector 9 and the second calibration detector 10 each contain a set of beam splitters 23 and a set of laser sensing sheets 22, when the laser irradiates the beam splitter 23, a part of the laser will directly pass through the beam splitter 23 and continue to irradiate forward, and another part of the laser light will be reflected on the surface of the beam splitter 23 and irradiate on the laser sensing sheet 22 after reflection, when the central shaft and the end shaft are coaxial, the laser will irradiate on the center of the laser sensing sheet 22 in the two sets of calibration detectors, when the central shaft and the end shaft are not coaxial or not parallel, the irradiation position of the laser on the laser sensing sheet 22 will also deviate from the center, as shown in the drawings Figure 5As shown, according to the irradiation position of the laser on the two groups of laser sensing sheets 22, the line between the two is the current irradiation path of the laser, and the line between the centers of the two groups of laser sensing sheets 22 is the reference path; the position of the central shaft support plate 4 is changed to control the movement of the central shaft, so that the irradiation path in the two groups of passages coincides with the reference path, at this time the axis of the central shaft coincides with the axis of the end shaft, the operation of axis alignment is completed, and then the fine adjustment movement support platform 5 is moved to make the welding groove close and welding is performed;

[0029] When adjusting the position of the central shaft, first, the position of the central shaft is adjusted based on one group of passages, that is, the position of the central shaft is controlled according to the positional relationship between the reference path and the irradiation path in one passage, so that the reference path and the irradiation path in the passage coincide, at this time the axis of the central shaft is already in parallel with the axis of the end shaft, at this time the central shaft is rotated around the coincided irradiation path and reference path, so that the irradiation path in the other group of passages coincides with the reference path, to complete the centering process; specifically, after the reference path is generated, the reference path and the irradiation path are projected onto three mutually perpendicular planes respectively, so as to determine the projection angles in each plane, to assist in adjusting the position of the central shaft, for example, the angle in the horizontal plane is α, the central shaft is controlled to rotate by a corresponding angle in the horizontal plane, thereby realizing the posture adjustment of the central shaft.

[0030] When adjusting the position of the central shaft, four support points of the central shaft support plate 4 can be formed by the fifth hydraulic rod 18 and the two groups of third hydraulic rods 13, by changing the lengths of the fifth hydraulic rod 18, the third hydraulic rod 13, the fourth hydraulic rod 15 and the sixth hydraulic rod 21, the posture of the central shaft support plate 4 can be changed, the purpose of indirectly controlling the posture of the central shaft is realized, in the adjustment process, by setting the sliding groove 11, the posture of the central shaft support plate 4 can be freely changed, for example, by changing the elongation and shortening of a group of fourth hydraulic rods 15, the inclination angle of the third hydraulic rod 13 can be changed, by changing the length of the third hydraulic rod 13, the position of the support point can be changed, that is, the support point can move in the plane where the third hydraulic rod 13 and the fourth hydraulic rod 15 are located, other support points can also move in the corresponding plane, so as to realize the accurate adjustment of the central shaft support plate 4, and an anti-skid layer is arranged on the central shaft support plate 4.

[0031] The above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mounting mechanism for a bottom-shaft driven flap gate, characterized in that, The mounting mechanism for the bottom shaft driven flap gate includes a first end shaft support assembly, a second end shaft support assembly, and a mobile support platform (5). The first end shaft support assembly and the second end shaft support assembly are used to support two sets of end shafts respectively. Two sets of laser emitters (3) and two sets of laser receivers (8) are respectively provided on the first end shaft support assembly and the second end shaft support assembly. A dynamic support structure is provided on the mobile support platform (5). The dynamic support structure includes a central shaft support plate (4). Two sets of first calibration detectors (9) and two sets of second calibration detectors (10) are fixedly installed at the bottom of the central shaft support plate (4). The first calibration detectors (9) and the second calibration detectors (10) are used to determine the angle between the central shaft and the end shaft according to the laser irradiation position. The dynamic support structure is used to dynamically adjust the position of the central shaft according to the angle relationship between the central shaft and the end shaft, so that the axes of the central shaft and the end shaft coincide. The dynamic support structure includes two sets of sliding support components and two sets of fixed support components. The sliding support components include a third hydraulic rod (13) and a fourth hydraulic rod (15). The third hydraulic rod (13) is mounted on the mobile support platform (5) via a mounting seat (12), and the mounting seat (12) is rotatably connected to the third hydraulic rod (13). The fourth hydraulic rod (15) is mounted on the mobile support platform (5) via a fixed support seat (17), and the fixed support seat (17) is rotatably connected to the fourth hydraulic rod (15). A first connecting sleeve (14) is fixedly installed on the third hydraulic rod (13), and the first connecting sleeve (14) is rotatably connected to the telescopic end of the fourth hydraulic rod (15). A sliding seat (15) is rotatably connected to the telescopic end of the third hydraulic rod (13). 6) The sliding seat (16) is rotatably connected to a slider, and the central shaft support plate (4) is provided with a groove (11), and the slider is slidably disposed in the groove (11); the fixed support assembly includes a fifth hydraulic rod (18) and a sixth hydraulic rod (21). The fifth hydraulic rod (18) is rotatably connected to the mobile support platform (5). The telescopic end of the fifth hydraulic rod (18) is rotatably connected to a set of rotating seats (20). The rotating seats (20) are rotatably connected to the central shaft support plate (4). A second connecting sleeve (19) is fixedly installed on the fifth hydraulic rod (18). The second connecting sleeve (19) is rotatably connected to the telescopic end of the sixth hydraulic rod (21). The sixth hydraulic rod (21) is rotatably connected to the mobile support platform (5) through a set of fixed support seats (17); The first calibration detector (9) and the second calibration detector (10) have the same structure. The first calibration detector (9) includes a housing, a laser sensor (22) and a beam splitter (23). The beam splitter (23) is tilted inside the housing. The angle between the beam splitter (23) and the axis of the central axis is 45°. The angle between the laser sensor (22) and the beam splitter (23) is 45°. The laser sensor (22) is used to detect the position of laser irradiation.

2. The mounting mechanism for a bottom-shaft driven flap gate according to claim 1, characterized in that, The first end shaft support assembly includes a first hydraulic rod (2) and a first end shaft support plate (1). The laser emitter (3) is fixedly installed on the first end shaft support plate (1). The first end shaft support plate (1) is fixedly installed above the first hydraulic rod (2). The second end shaft support assembly includes a second hydraulic rod (6). A second end shaft support plate (7) is fixedly installed on the second hydraulic rod (6). A laser receiver (8) is fixedly installed on the second end shaft support plate (7). The cross-sections of the first end shaft support plate (1) and the second end shaft support plate (7) are both V-shaped.

3. The mounting mechanism for a bottom-shaft driven flap gate according to claim 1, characterized in that, An anti-slip layer is provided on the central axis support plate (4).

4. The mounting mechanism for a bottom-shaft driven flap gate according to claim 2, characterized in that, The central axis support plate (4) has the same cross-sectional shape as the first end axis support plate (1) and the second end axis support plate (7).

5. The mounting mechanism for a bottom-shaft driven flap gate according to claim 4, characterized in that, Laser rangefinders are installed on the central axis support plate (4), the first end axis support plate (1), and the second end axis support plate (7).

Images