A double-layer steel plate ball platform for the relocation and restoration of ancient fire dams

Abstract

The present invention relates to the technical field of relocation, restoration and protection of ancient firewood dikes, and in particular to a double-layer steel plate ball platform for the relocation and restoration of ancient firewood dikes, which comprises a steel plate. The steel plate is formed by laminating an upper steel plate and a lower ball steel plate. Lifting holes are arranged at the edges of the steel plate. A plurality of ball assemblies are arranged in a plum blossom shape on the lower ball steel plate. In the present invention, the balls of each ball assembly are fixed in the lower ball steel plate through a cover plate, a backing plate and a bottom plate. The balls directly bear the load of the objects on the upper steel plate. By horizontally moving the upper steel plate, the objects are moved at the same time. Since the friction between the balls and the upper steel plate is rolling friction, when the firewood dike block is horizontally moved, it is relatively labor-saving, stable and safe, effectively solving the problem of great difficulty in horizontally moving the firewood dike block during the cutting, disassembling and restoration of the ancient sea dike firewood dike.

Description

Technical Field

[0001] The present invention relates to the technical field of the relocation, restoration and protection of ancient firewood dikes, and specifically provides a double-layer steel plate ball platform for the relocation and restoration of ancient firewood dikes. Background Art

[0002] A seawall is an artificially built tidal barrier, which is a tidal defense barrier on the plains on both sides of the Qiantang River Estuary. It has a history of more than two thousand years and is the crystallization of the diligence, bravery and wisdom of the working people of all dynasties, with extremely high historical, scientific and social values.

[0003] The construction of the third-level waterway regulation project of the Zhejiang section of the Beijing-Hangzhou Canal involves the Hangzhou Linping Seawall, a provincial-level cultural relic protection unit in Zhejiang Province. This section of the seawall is connected in a line and the waterway cannot be avoided. It is necessary to relocate 90 meters of the firewood dike within the scope of off-site relocation. The firewood dike was built in the 46th year of Qianlong in the Qing Dynasty. The main body is rammed with alternating layers of soil and firewood, and wooden piles are nailed inside the dike and at the foundation. The water-facing side of the dike body is rammed with firewood and soil. The firewood is bundled and tied, and the cross-section is trapezoidal, 5-6 meters higher than the ground surface, and the bottom width varies from 12 to 21 meters.

[0004] In accordance with the relevant requirements of the national cultural relic protection law and adhering to the principle of using the original materials, original form and original technology without changing the original state of the cultural relics, it is necessary to cut the firewood dike into small pieces at the original site, translate them into a steel caisson after cutting, and then relocate them to the "Water Diversion into the City" park about 5 kilometers north of the original site for protection and display, so as to create a seawall-themed heritage park.

[0005] The firewood dike blocks are large in mass and poor in stability. How to safely translate the cut firewood dike blocks into the steel caisson and how to translate the firewood dike blocks to the designated restoration position after the steel caisson is transported to the new site are major difficulties. Summary of the Invention

[0006] The purpose of the present invention is to provide a double-layer steel plate ball platform for the relocation and restoration of ancient firewood dikes, so as to solve the problems raised in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] A double-layer steel plate ball platform for the relocation and restoration of ancient firewood dikes, including a steel plate, the steel plate is composed of an upper steel plate and a lower ball steel plate laminated together. Lifting holes are arranged at the edges of the steel plate. A plurality of ball assemblies are arranged in a plum blossom shape on the lower ball steel plate. Each ball assembly can be fixed in the lower ball steel plate through the installation assemblies arranged on both sides and the insertion rods for easy disassembly and maintenance.

[0009] Preferably, the ball component includes balls. The lower half of each ball is placed in the bottom plate, which is a hemispherical shell with a smooth inner wall that closely contacts the lower half of the ball. The upper half of the ball is provided with a cover plate. The inner wall of the cover plate has rounded corners at the parts that closely contact the ball. The plane where the top of the cover plate is located is higher than the horizontal plane where the center of the ball is located. The side ear plates of the cover plate and the bottom plate are stacked. Below the side ear plates of the bottom plate, there are backing plates, and the two backing plates contact the surface of the lower-layer ball steel plate.

[0010] Preferably, the centers of the ball, the cover plate, the backing plate, and the bottom plate coincide in the horizontal projection. The top of the bottom plate and the center of the ball are in the same plane, and there is a water passing hole at the bottommost end of the bottom plate. There are three symmetrically arranged ventilation holes above the cover plate.

[0011] Preferably, the installation component includes slots opened on the surface of the lower-layer ball steel plate on both sides of the ball component. The insertion rods pass through the ear plates of the cover plate, the bottom plate, and the backing plates and are inserted into the slots. Fixing grooves are provided on the side walls of one ends of the insertion rods located inside the slots.

[0012] Preferably, moving grooves are provided on one sides of the slots away from the ball component. Moving plates are provided in the moving grooves. One side of the bottom end of each moving plate is provided with a fixing rod that passes through the moving groove and is located inside the slot. The fixing rod is inserted and connected with the fixing groove. The moving plates are sleeved on sliding rods. A spring is provided on one side of the moving plate away from the fixing rod, and the spring is sleeved on the sliding rod. Auxiliary components for auxiliary fixation are provided in both the moving grooves and the moving plates.

[0013] Preferably, the outer wall of the moving plate contacts and is slidably connected with the inner wall of the moving groove. The fixing rod is fixedly welded to the moving plate. The moving plate is slidably connected with the sliding rod. Both ends of the sliding rod are fixedly connected with the inner wall of the moving groove. Both ends of the spring are fixedly connected with the side surface of the moving plate and the inner wall of the moving groove respectively.

[0014] Preferably, the auxiliary component includes a limiting groove opened at the top of the side wall of the moving groove. A limiting plate is provided in the limiting groove. One end of the limiting plate outside the limiting groove is sleeved on a rotating rod, and the rotating rod is connected to the moving plate. The rotating rod is located above the spring. A vertical pull rod is provided on the outer wall of one end of the limiting plate inside the limiting groove, and the top end of the pull rod extends outside the limiting groove.

[0015] Preferably, the limiting plate matches the limiting groove. The limiting plate is rotatably connected to the outer wall of the rotating rod. The rotating rod is welded to the moving plate. The pull rod is welded to the limiting plate.

[0016] Preferably, the lifting hole matches the outer diameter of the steel wire rope of the traction device.

[0017] Preferably, the specifications of the upper steel plate and the lower ball steel plate are 20 mm thick, 4 m * 4 m.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: In response to the problems raised in the background art, in this application, the upper steel plate and the lower ball steel plate are stacked on the loading base. When the bottom horizontal cutting is carried out after the vertical cutting and reinforcement of the pond block are completed, a horizontal pushing device is synchronously used to horizontally push the double-layer steel plate into the horizontal cutting seam. At this time, the steel wire rope of the traction device passes through the lifting hole to translate the upper steel plate and the firewood pond block together onto the loading base, so as to achieve a small traction force and high construction efficiency during the translation process after the dismantling of the firewood pond; the overall ball assembly is firm, the ball assembly is not deformed, and the durability is good; after the firewood pond block is translated on the platform, the lower ball steel plate can be reused for the horizontal movement of the next firewood pond block, saving materials and being environmentally friendly, and reducing the construction cost; the firewood pond block remains stable, safe and undamaged during the process of migration and restoration, achieving the expected purpose. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a side elevation view of the present invention.

[0020] Figure 2 It is a plan view of the upper steel plate of the present invention.

[0021] Figure 3 It is a plan view of the lower ball steel plate of the present invention.

[0022] Figure 4 is Figure 3 a plan view of the ball assembly in

[0023] Figure 5 is Figure 1 an enlarged view of part A in

[0024] Figure 6 is Figure 3 an enlarged view of part B in

[0025] Figure 7 It is a plan view of the bottom plate of the ball assembly.

[0026] In the figure: 1. Steel plate; 101. Upper steel plate; 102. Lower ball steel plate; 2. Lifting hole; 3. Ball assembly; 301. Ball; 302. Cover plate; 3021. Vent hole; 303. Pad; 304. Bottom plate; 3041. Water passing hole; 4. Insert rod; 401. Fixed groove; 5. Installation assembly; 501. Slot; 502. Moving groove; 503. Moving plate; 504. Fixed rod; 505. Slide rod; 506. Spring; 6. Auxiliary assembly; 601. Limit groove; 602. Limit plate; 603. Pull rod; 604. Rotating rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The following will describe the technical solutions in the embodiments of the present invention clearly and completely in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] For ease of understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0031] Please refer to Figure 1-7, the present invention provides a technical solution: a double-layer steel plate ball platform for the relocation and restoration of ancient firewood dikes, including a steel plate 1, which is composed of an upper steel plate 101 and a lower ball steel plate 102 stacked together. The specifications of the upper steel plate 101 and the lower ball steel plate 102 are 20 mm thick and 4 m * 4 m. Hoisting holes 2 are arranged at the edges of the steel plate 1, and the outer diameter of the hoisting holes 2 matches that of the steel wire rope of the traction device. A plurality of ball assemblies 3 are arranged in a plum blossom shape on the lower ball steel plate 102. The ball assembly 3 includes a ball 301. The lower half of the ball 301 is placed in a bottom plate 304. The bottom plate 304 is a hemispherical shell with a smooth inner wall and is in close contact with the lower half of the ball 301. The upper half of the ball 301 is provided with a cover plate 302. The inner wall of the cover plate 302 in the part in close contact with the ball 301 is rounded. The plane where the top of the cover plate 302 is located is higher than the horizontal plane where the center of the ball 301 is located. The side ear plates of the cover plate 302 and the bottom plate 304 are stacked. Below the side ear plates of the bottom plate 304, there are cushion plates 303. The two cushion plates 303 are in contact with the surface of the lower ball steel plate 102. The centers of the ball 301, the cover plate 302, the cushion plate 303, and the bottom plate 304 coincide in the horizontal projection. The top of the bottom plate 304 and the center of the ball are in the same plane, and there is a water passing hole 3041 at the bottom end of the bottom plate 304. Above the cover plate 302, there are three symmetrically arranged air holes 3021. The object relocated in the Design-Build General Contract Project for the Off-site Relocation of the Provincial-level Cultural Relic Protection Unit, the Linping Section of the Hangzhou Seawall (Partial), the firewood dike in the Linping Seawall of Hangzhou was built in the forty-sixth year of Qianlong in the Qing Dynasty. The firewood dike was cut into small pieces not larger than 4 m * 4 m * 4 m at the original site by a special cutting device. A total of 107 firewood dike blocks were used in the process of relocation and restoration. The center of the ball assembly 3 was positioned by wire laying on the 20 mm thick 4 m * 4 m steel plate 1 according to a certain array (such as 450 mm * 450 mm), ensuring that the distance from the edge of the cover plate 302 of the outermost ball assembly 3 to the edge of the steel plate is not less than 100 mm. A numerical control laser drilling device was used to open holes, making the diameter of the opened holes match the outer diameter of the bottom plate 304, and at the same time, the inner side of the holes should be smooth. The cushion plate 303, the bottom plate 304, and the ball 301 were successively installed in the holes. After removing the debris, the cover plate 302 was installed. After adjusting the position to ensure the centering of each component, it was ensured that the ball 301 rolled flexibly and was firmly welded by electric welding at the symmetric parts outside the cover plate 302. The upper steel plate 101 and the lower ball steel plate 102 were stacked on the loading base. When the bottom horizontal cutting was carried out after the vertical cutting and reinforcement of the firewood dike blocks were completed, a horizontal pushing device was synchronously used to horizontally push the double-layer steel plate into the horizontal cutting seam. The steel wire rope of the traction device passed through the hoisting hole 2 to translate the upper steel plate 101 and the firewood dike blocks together onto the loading base, and then the relocation work was completed through a steel cofferdam.

[0032] Example, please refer to Figure 4-6, each ball component 3 can be fixed in the lower ball steel plate 102 through the mounting components 5 arranged on both sides and the insertion rod 4 for easy disassembly and maintenance. The mounting component 5 includes slots 501 opened on the surface of the lower ball steel plate 102 on both sides of the ball component 3. The insertion rod 4 passes through the ear plates of the cover plate 302 and the bottom plate 304 and the backing plate 303 and is inserted into the slot 501. A fixing groove 401 is provided on the side wall of one end of the insertion rod 4 located inside the slot 501. A moving groove 502 is provided on one side of the slot 501 away from the ball component 3. A moving plate 503 is provided in the moving groove 502. One side of the bottom end of the moving plate 503 is provided with a fixing rod 504 whose one end passes through the moving groove 502 and is located inside the slot 501. The fixing rod 504 is inserted and connected with the fixing groove 401. The moving plate 503 is sleeved on the sliding rod 505. A spring 506 is provided on the side of the moving plate 503 away from the fixing rod 504. The spring 506 is sleeved on the sliding rod 505. And an auxiliary component 6 for auxiliary fixation is provided in both the moving groove 502 and the moving plate 503. The fixing rod 504 is fixedly welded with the moving plate 503. The moving plate 503 is slidably connected with the sliding rod 505. Both ends of the sliding rod 505 are fixedly connected with the inner wall of the moving groove 502. Both ends of the spring 506 are respectively fixedly connected with the side surface of the moving plate 503 and the inner wall of the moving groove 502. The auxiliary component 6 includes a limiting groove 601 opened at the top of the side wall of the moving groove 502. A limiting plate 602 is provided in the limiting groove 601. One end of the limiting plate 602 outside the limiting groove 601 is sleeved on a rotating rod 604. The rotating rod 604 is connected with the moving plate 503. The rotating rod 604 is located above the spring 506. A vertical pull rod 603 is provided on the outer wall of one end of the limiting plate 602 located inside the limiting groove 601. The top end of the pull rod 603 extends outside the limiting groove 601. The limiting plate 602 matches the limiting groove 601. The limiting plate 602 is rotatably connected with the outer wall of the rotating rod 604. The rotating rod 604 is welded on the moving plate 503. The pull rod 603 is welded on the limiting plate 602.Slots 501 can also be symmetrically opened on both sides of the hole, and an installation component 5 is arranged on the side of the slot 501 away from the hole. When the ball component 3 is placed and fixed, first pinch the pull rod 603 in the auxiliary component 6, so that the pull rod 603 drives the limiting plate 602 to rotate along the rotating rod 604, so that the limiting plate 602 disengages from the limiting groove 601. At this time, the spring 506 contracts and drives the moving plate 503 to slide on the sliding rod 505 along the moving groove 502. The moving moving plate 503 drives the fixing rod 504 to move, so that the fixing rod 504 moves into the moving groove 502. Insert the inserting rod 4 through the ear plates of the cover plate 302 and the bottom plate 304 and the cushion plate 303 and insert it into the slot 501. Then manually move the moving plate 503 and move the moving plate 503 back to its original position. The moving plate 503 drives the auxiliary component 6 and the fixing rod 504 to move and stretch the spring 506. The fixing rod 504 returns to its original position and is inserted into the fixing groove 401 in the inserting rod 4. At this time, pinch the pull rod 603 with the other hand and rotate the limiting plate 602 in the reverse direction, so that the limiting plate 602 rotates along the rotating rod 604 and moves into the limiting groove 601 to limit the moving plate 503, so as to realize the detachable fixation of the ball component 3, which is convenient for disassembly and maintenance. Compared with the bolt fixation of the ball component 3, the disassembly and installation speed can be improved, and there is no need to waste time on screwing bolts.

[0033] The working process of the present invention: First, the center of the ball component 3 is positioned by laying out lines on a 4m * 4m steel plate 1 with a thickness of 20mm according to a certain array, ensuring that the edge distance of the cover plate 302 of the outermost ball component 3 from the edge of the steel plate is not less than 100mm. A numerical control laser drilling device is used to open holes, so that the diameter of the opened holes matches the outer diameter of the bottom plate 304, and the inner side of the holes should be smooth. A cushion plate 303, a bottom plate 304, and balls 301 are sequentially installed on the holes. After removing sundries, the cover plate 302 is installed. After adjusting the position to ensure that all components are centered, ensure that the balls 301 roll flexibly and are firmly welded at the symmetric parts outside the cover plate 302. Stack the upper steel plate 101 and the lower ball steel plate 102 on the loading base. When the vertical cutting and reinforcement of the firewood pond block are completed and the bottom horizontal cutting is carried out, a horizontal pushing device is synchronously used to horizontally push the double-layer steel plate into the horizontal cutting seam. The steel wire rope of the traction device passes through the lifting hole 2 to translate the upper steel plate 101 and the firewood pond block together onto the loading base, and then the migration work is completed through the steel caisson.

[0034] 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 principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layer steel plate ball platform for the relocation and restoration of ancient firewood ponds, comprising a steel plate (1), characterized in that: The steel plate (1) is formed by laminating an upper steel plate (101) and a lower ball steel plate (102). A lifting hole (2) is arranged at the edge of the steel plate (1), and the lifting hole (2) is matched with the outer diameter of the steel wire rope of the traction device. A plurality of ball assemblies (3) are arranged in a plum blossom shape on the lower ball steel plate (102). Each ball assembly (3) is fixed in the lower ball steel plate (102) through mounting assemblies (5) arranged on both sides and a plug rod (4) for easy disassembly and maintenance. The ball assembly (3) includes a ball (301). The lower half of the ball (301) is placed in a bottom plate (304). The bottom plate (304) is a hemispherical shell with a smooth inner wall and is in close contact with the lower half of the ball (301). The upper half of the ball (301) is provided with a cover plate (302). The part of the inner wall of the cover plate (302) in close contact with the ball (301) has a rounded corner. The plane where the top of the cover plate (302) is located is higher than the horizontal plane where the center of the ball (301) is located. The ear plates on both sides of the cover plate (302) and the bottom plate (304) are laminated. A cushion plate (303) is provided below the ear plates on both sides of the bottom plate (304). The two cushion plates (303) are in contact with the surface of the lower ball steel plate (102). The mounting assembly (5) includes slots (501) opened on the surface of the lower ball steel plate (102) on both sides of the ball assembly (3). The plug rod (4) passes through the ear plates of the cover plate (302), the bottom plate (304), and the cushion plate (303) and is inserted into the slot (501). A fixing groove (401) is opened on the side wall of one end of the plug rod (4) located inside the slot (501). A moving groove (502) is provided on each side of the slot (501) away from the ball assembly (3). A moving plate (503) is arranged in the moving groove (502). One side of the bottom end of the moving plate (503) is provided with a fixing rod (504) that passes through the moving groove (502) and is located inside the slot (501). The fixing rod (504) is inserted and connected with the fixing groove (401). The moving plate (503) is sleeved on a sliding rod (505). A spring (506) is arranged on the side of the moving plate (503) away from the fixing rod (504). The spring (506) is sleeved on the sliding rod (505). An auxiliary assembly (6) for auxiliary fixation is arranged in both the moving groove (502) and the moving plate (503).

2. The double-layer steel plate ball platform for the relocation and restoration of ancient fire dams according to claim 1, characterized in that: The centers of the ball (301), the cover plate (302), the cushion plate (303), and the bottom plate (304) coincide in the horizontal projection. The top of the bottom plate (304) is on the same plane as the center of the ball. A water passing hole (3041) is provided at the bottom end of the bottom plate (304). Three symmetrically arranged ventilation holes (3021) are provided above the cover plate (302).

3. A double-layer steel plate ball platform for the relocation and restoration of ancient fire dams according to claim 1, characterized in that: The outer wall of the moving plate (503) is in contact with and slidably connected to the inner wall of the moving groove (502). The fixed rod (504) is fixedly welded to the moving plate (503). The moving plate (503) is slidably connected to the sliding rod (505). Both ends of the sliding rod (505) are fixedly connected to the inner wall of the moving groove (502). Both ends of the spring (506) are fixedly connected to the side surface of the moving plate (503) and the inner wall of the moving groove (502) respectively.

4. A double-layer steel plate ball platform for the relocation and restoration of ancient fire dams according to claim 3, characterized in that: The auxiliary component (6) includes a limiting groove (601) opened at the top of the side wall of the moving groove (502). A limiting plate (602) is arranged in the limiting groove (601). One end of the limiting plate (602) outside the limiting groove (601) is sleeved on the rotating rod (604). The rotating rod (604) is connected to the moving plate (503). The rotating rod (604) is located above the spring (506). A vertical pull rod (603) is arranged on the outer wall of one end of the limiting plate (602) inside the limiting groove (601). The top end of the pull rod (603) extends outside the limiting groove (601).

5. A double-layer steel plate ball platform for the relocation and restoration of ancient fire dams, characterized in that: The limiting plate (602) matches the limiting groove (601). The limiting plate (602) is rotatably connected to the outer wall of the rotating rod (604). The rotating rod (604) is welded to the moving plate (503). The pull rod (603) is welded to the limiting plate (602).

6. A double-layer steel plate ball platform for the relocation and restoration of ancient fire dams according to claim 1, characterized in that: The specifications of the upper steel plate (101) and the lower ball steel plate (102) are 20 mm thick and 4 m * 4 m.

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