Prefabricated well ring hoist device
Technical Field
The utility model relates to the technical field of municipal construction, in particular to a prefabricated well ring hoisting device.
Background
In the past municipal road or landscape engineering pipe network work progress, after concrete prefabrication pit shaft/circle is transported to scene by the vehicle, usually need crane discharge and handling to appointed place, perhaps adopt mechanical cooperation hoist and mount to take discharge transportation, construction cost increases, and construction efficiency is not high, to this, through design preparation a simple and easy lifting means, solves concrete prefabrication pit shaft/circle hoist and mount discharge problem, promotes efficiency of construction greatly.
Disclosure of utility model
In order to overcome the defects in the prior art, the prefabricated well ring hoisting device which is convenient to use and high in safety performance is provided.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the prefabricated well ring hoisting device comprises two hanging rods which are arranged in a crossing way, wherein the middle upper parts of the two hanging rods are hinged with each other, hanging rings are respectively arranged at the upper ends of the two hanging rods, clamping rods are respectively arranged at the lower ends of the two hanging rods, and clamping plates are respectively fixedly connected to one sides of the clamping rods, which are close to each other;
The clamping rods are respectively provided with a hinge hole, the hinge holes are rotationally provided with a rotating rod, the rotating rod is fixedly provided with an L-shaped rod, the bottom end parts of the L-shaped rods are vertically provided with positioning plates, the middle parts of the upper ends of the L-shaped rods are provided with sliding holes, the sliding holes are provided with positioning rods in a sliding mode, one side of each positioning rod is fixedly provided with a positioning table, and springs for driving the positioning tables to move towards the clamping rods are arranged between the positioning tables and the L-shaped rods;
The clamping rod is provided with a first positioning hole and a second positioning hole which are matched with the positioning rod, the first positioning hole is a hemispherical hole, the second positioning hole is a cylindrical hole, the depth of the cylindrical hole is larger than that of the hemispherical hole, the lower end of the positioning rod is provided with a spherical surface, when the positioning rod is matched with the first positioning hole, the positioning plate is parallel to the clamping plate, and when the positioning rod is matched with the second positioning hole, the positioning plate is perpendicular to the clamping plate.
Preferably, the lower end of one suspender is rotatably provided with an L-shaped steel bar buckle through a connecting bolt, and the upper end of the other suspender is provided with a steel bar buckle matched with the L-shaped steel bar buckle.
Preferably, the inner side walls of the two clamping plates are provided with rubber, and the exposed surface of the rubber is a rough surface.
Preferably, a reinforcing rib is arranged between the L-shaped rod and the positioning plate.
Preferably, the lower end of one suspender is provided with a fixed shaft, the upper end of the other suspender is rotatably provided with a rotating shaft, a rope ring is arranged between the fixed shaft and the rotating shaft, and the rope ring is fixedly connected with the fixed shaft.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the problem of hoisting power of the prefabricated shaft/ring is solved by skillfully utilizing the lever principle through the two hanging rods which are arranged in a crossing way, and the hoisting tension is converted into the holding force of the well ring to ensure normal hoisting. The clamping plates improve friction resistance through the fixed rubber and ensure that the hoisting is carried out smoothly.
2. According to the utility model, the positioning plate is arranged, so that the lower part of the well ring can be limited after the well ring is lifted, and the well ring is prevented from falling accidentally.
Drawings
The following detailed description of the utility model will be given with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
Fig. 3 is a schematic view of a positioning board structure.
In the figure, the lifting rod comprises a 1-lifting rod, a 2-lifting ring, a 3-clamping rod, a 4-clamping plate, a 5-rotating rod, a 6-L-shaped rod, a 7-positioning plate, an 8-positioning rod, a 9-positioning table, a 10-spring, an 11-first positioning hole, a 12-second positioning hole, a 13-connecting bolt, a 14-L-shaped steel bar fastener, a 15-steel bar fastener ring, a 16-rubber, a 17-fixed shaft, an 18-rotating shaft and a 19-rope ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, a prefabricated well ring hoisting device comprises two hanging rods 1 which are arranged in a crossing manner, wherein the middle upper parts of the two hanging rods 1 are hinged with each other, hanging rings 2 are respectively arranged at the upper ends of the two hanging rods 1, and when in hoisting, the two hanging rings 2 are respectively connected through steel wire ropes, and then the hanging rings are connected with the steel wire ropes through hoisting equipment to carry out hoisting. The lower ends of the two suspenders are close to each other in the lifting process because the suspenders 1 are hinged with each other. The lower extreme of two jib 1 is provided with clamp rod 3 respectively, and clamp rod 3 is close to one side fixedly connected with splint 4 respectively each other, presss from both sides tightly the well ring lateral wall through splint 4. Preferably, the inner side walls of the two clamping plates 4 are provided with rubber 16, and the exposed surface of the rubber 16 is a rough surface. The friction force between the clamping plate 4 and the well ring is improved through the rubber 16.
In order to improve the safety in the hoisting process, a limiting structure can be further arranged below the well ring, specifically, hinge holes are formed in the clamping rods 3, the rotating rods 5 are rotationally arranged in the hinge holes, L-shaped rods 6 are fixedly arranged on the rotating rods 5, positioning plates 7 are vertically arranged at the bottom ends of the L-shaped rods 6, reinforcing ribs are arranged between the L-shaped rods 6 and the positioning plates 7, and the positioning plates can be driven to be inserted into or separated from the lower side of the well ring by rotating the L-shaped rods 6.
The middle part of the upper end of the L-shaped rod 6 is provided with a sliding hole, a positioning rod 8 is arranged in the sliding hole in a sliding way, a positioning table 9 is fixedly arranged on one side of the positioning rod 8, and a spring 10 for driving the positioning table 9 to move towards the clamping rod 3 is arranged between the positioning table 9 and the L-shaped rod 6. Specifically, the spring 10 is a compression spring when the positioning table 9 is positioned on one side close to the clamping bar 3, and the spring 10 is an extension spring when the positioning table 9 is positioned on the other side. The clamping rod 3 is provided with a first positioning hole 11 and a second positioning hole 12 which are matched with the positioning rod 8, the first positioning hole 11 is a hemispherical hole, the second positioning hole 12 is a cylindrical hole, the depth of the cylindrical hole is larger than that of the hemispherical hole, the lower end of the positioning rod 8 is provided with a spherical surface, when the positioning rod 8 is matched with the first positioning hole 11, the positioning plate 7 is parallel to the clamping plate 4, the positioning plate 7 does not limit the well ring, when the L-shaped rod is forcefully rotated, the matching of the positioning rod 8 and the first positioning hole 11 can be automatically released, when the positioning rod 8 is matched with the second positioning hole 12, the positioning plate 7 is perpendicular to the clamping plate 4, and at the moment, the positioning plate 7 is positioned below the well ring to limit the well ring so as to prevent the well ring from falling.
The lower end of one suspender 1 is rotatably provided with an L-shaped steel bar buckle 14 through a connecting bolt 13, and the upper end of the other suspender 1 is provided with a steel bar buckle 15 matched with the L-shaped steel bar buckle 14. When the L-shaped steel bar buckle 14 is matched with the steel bar buckle 15, the distance between the two clamping plates 4 is larger than the diameter of the well ring, so that after the well ring is lifted to a proper position, the lifting equipment is separated from the well ring.
Preferably, in order to control the relative positions of the two suspension rods 1 conveniently, a fixed shaft 17 is arranged at the lower end of one suspension rod 1, a rotating shaft 18 is rotatably arranged at the upper end of the other suspension rod 1, a rope ring 19 is arranged between the fixed shaft 17 and the rotating shaft 18, and the rope ring 19 is fixedly connected with the fixed shaft 17. The distance between the fixed shaft 17 and the rotating shaft 18 can be reduced by pulling the rope ring 19, so that the two suspenders 1 are opened.
Working principle:
Before hoisting, the L-shaped steel bar buckle 14 and the steel bar buckle 15 are in a closed state, and when hoisting, a steel wire rope is connected with the hoisting ring 2, and hoisting equipment is moved to a position where a prefabricated shaft/ring needs to be hoisted, and the hoisting is waited for;
Then open L shape reinforcing bar knot 14, make splint 4 and the both sides cooperation of pit shaft/circle, lifting device lifts up the pit shaft circle, rotates L shape pole 6, makes locating lever 8 insert second locating hole 12, and at this moment, locating plate 7 is located pit shaft/circle below, carries out spacingly, realizes safety protection. And then transported to a designated location. After the hoisting is carried out to a designated position, the steel wire rope is loosened, the L-shaped steel bar buckle 14 is buckled, the hoisting equipment carries tools to return to the material loading and unloading position, and the prefabricated shaft/ring loading and unloading task can be completed by repeating the steps.
The preferred embodiments of the present utility model have been described in detail, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model, and the various changes are included in the scope of the present utility model.