CN211201305U - Protection rack of submarine cable terminal preparation - Google Patents

Abstract

The utility model discloses a protection scaffold made of a submarine cable terminal, which relates to the field of submarine cable terminal construction. Submarine cable terminals have high requirements on environmental factors when they are produced. When construction is carried out in an open-air environment, there are many cable accessories failures caused by the construction environment. The utility model comprises a steel structure stand and a shed cloth located around the steel structure stand. The top is provided with a movable roof, and a cable wind rope is hung outside the shed cloth. A square hole is arranged on the middle and top surface of the platform, and a vertical ladder is arranged on the inner side of the square hole; the lower end of the steel structure vertical frame is connected and fixed on the ground foundation. A stable indoor construction environment is realized. The vertical ladder in the middle is convenient for operators to climb, and the square hole channel is convenient for erecting submarine cable terminals. , which is convenient for operators to stand and operate, realize continuous operation in the vertical direction, improve the quality of work and reduce the probability of failure.

Description

A protective scaffold made of submarine cable terminals

technical field

The utility model relates to the field of submarine cable terminal construction, in particular to a protection scaffold made of a submarine cable terminal.

Background technique

According to empirical statistics, about 70% of the failure probability of cable accessories is caused by construction. Among them, the construction environment factor is the most important. Whether the construction environment meets the requirements for the installation of 500KV cable accessories directly determines the installation quality of the accessories. There are high requirements for environmental factors such as humidity and dust, and construction cannot be carried out in an open-air environment. A relatively stable indoor environment is required. When stripping the outer sheath of the submarine cable insulation shielding layer, the operator needs to have a vertical direction. In order to meet the above requirements for a platform for continuous operation, it is necessary to erect an outer protective cover around the terminal for the construction personnel to work.

Utility model content

The technical problem to be solved and the technical task proposed by the present utility model are to perfect and improve the existing technical solutions, and to provide a protective scaffold for the manufacture of submarine cable terminals, so as to meet the requirements of the manufacture of submarine cable terminals and improve the quality of terminal operation. . To this end, the utility model adopts the following technical solutions.

A protective scaffolding made of submarine cable terminals comprises a steel structure stand with a square cross-section and a shed cloth located around the steel structure stand; Cover; the steel structure stand includes 6 load-bearing columns, four of which are located at the outer four corners of the steel structure stand, and the other 2 are arranged oppositely on the outside, forming a layout of 3 on each side of 2 opposite faces, and Each upright is parallel to the uprights on both sides at equal intervals; the multi-layer working platform is arranged vertically on the steel structure upright, and there are inclined profiles to strengthen the connection between the adjacent columns. The square hole is provided with a vertical ladder on the inner side of the square hole; the lower ends of the six load-bearing columns are connected and fixed on the ground foundation. The square hole channel in the middle of the steel structure vertical frame can be used as the channel for the erection station of the submarine cable terminal. The vertical ladder in the middle is convenient for operators to climb. Through the movable roof and the surrounding shed cloth, a stable indoor construction environment is realized. The multi-layer working platform makes it easy for the operators to stand on each layer when stripping the insulation shielding layer of the outer sheath of the submarine cable, and realize continuous operation in the vertical direction, which can effectively improve the working environment, improve the quality of work and work efficiency, shorten working time and reduce the probability of failure.

As a preferred technical means: the working platform includes a platform plate and a supporting beam at the bottom of the platform plate, the supporting beam includes an outer beam connected between the columns and an inner beam connected between the outer beams, the outer beam and the inner beam There are short reinforcing beams between the beams. Can provide effective platform support.

As a preferred technical means: a plurality of vertically arranged guardrails are arranged between adjacent vertical columns on the outer periphery of each layer of the working platform. It can effectively improve the safety of platform operation and prevent the operator from accidentally falling to the outside.

As a preferred technical means: the steel structure vertical frame includes a left half frame and a right half frame that can be transported independently, a left half frame and a right half frame, and both the left half frame and the right half frame have 3 columns, and the left half frame and the right half frame have 3 columns. The outer side of the closed butt surface with the right half frame is provided with vertical small columns, and the top surface and the bottom layer of the closed butt surface are provided with short reinforcing beams. By dividing it into two half racks, it can effectively reduce the weight and difficulty of transportation, reduce the lifting weight of the crane, and facilitate installation.

As a preferred technical means: the vertical ladder is located on the left half frame or the right half frame. Since the left half frame and the right half frame are symmetrically identical half frames, the vertical ladder can be arranged on one of the half frames, which is convenient for manufacture.

As a preferred technical means: the left half frame and the right half frame are composed of two independent upper and lower sections, and the column connecting parts of the upper and lower sections are connected by two sets of connectors located on the two sides of the column. Including connecting pieces and bolts. When connecting, clamp the bolt fixing plate welded on the side of the column connection part through two connecting pieces, and then tighten it with bolts. By splitting each half frame into upper and lower parts, each part takes up less space, weighs less, and is easier to transport and lift.

As the preferred technical means: the four corners of the square hole on the inner side of the working platform are provided with vertical columns between the upper and lower working platforms. It plays a supporting and strengthening role and makes the structure stronger.

As the preferred technical means: the connection of the outer beams, the oblique profiles, the vertical columns and the guardrails are all welded, and the butt surfaces of the left half frame and the right half frame are welded. The welding is firm and reliable, and the integration is good, and it is not easy to loosen the connection parts due to the vibration of transportation.

As a preferred technical means: the ground foundation concrete is pre-embedded with threaded steel clusters, prefabricated steel plates are welded on the threaded steel clusters, and the upper surface of the prefabricated steel plates is exposed to the concrete surface. Prefabricated steel plates for repeated welding.

As a preferred technical means: the interlayer height of the working platform is between 1.8-2 meters. Adapt to the height of ordinary operators and facilitate the operation of submarine cable terminals.

Beneficial effects: The square hole channel in the middle of the steel structure frame can be used as the channel for the erection station of the submarine cable terminal. The vertical ladder in the middle is convenient for operators to climb. Through the movable roof and the surrounding shed cloth, a stable indoor construction is realized. Environment, through the multi-layer working platform, when the operator strips the outer sheath insulation shielding layer of the submarine cable, it is convenient for the operator to stand on each layer and realize continuous operation in the vertical direction, which can effectively improve the working environment and improve the operation. Quality and operation efficiency, shorten operation time and reduce the probability of failure.

Description of drawings

FIG. 1 is a schematic structural diagram of the present utility model.

Fig. 2 is an enlarged structural schematic diagram of part A in Fig. 1 of the present invention.

In the figure: 1-post; 2-working platform; 3-oblique profile; 4-vertical ladder; 5-guardrail; 6-vertical column; 7-connecting piece; 8-bolt fixing plate; 9-bolt; 10- Rebar cluster; 11-prefabricated steel plate; 12-vertical small column; 201-platform plate; 202-support beam; 20201-external beam.

Detailed ways

The technical solutions of the present utility model will be further described in detail below with reference to the accompanying drawings.

As shown in Figure 1-2, a protective scaffolding made of submarine cable terminals includes a steel structure stand with a square cross-section and a shed cloth around the steel structure stand. The top of the stand is provided with a movable roof; the steel structure stand includes 6 load-bearing columns 1, of which four columns 1 are located at the outer four corners of the steel structure stand, and the other two are arranged oppositely on the outside, forming two opposite surfaces. The layout of 3 faces, and each column 1 is parallel to the columns 1 on both sides at equal intervals; the steel structure vertical frame is arranged vertically with 7 layers of working platforms 2, and the adjacent columns 1 are provided with inclined profiles 3 to strengthen the connection. There are square holes in the middle and top surface of each layer of working platform 2, and vertical ladders 4 are arranged on the inner side of the square holes; the lower ends of the six load-bearing columns 1 are connected and fixed on the ground foundation.

In order to provide effective platform support, the working platform 2 includes a platform plate 201 and a supporting beam 202 at the bottom of the platform plate 201. The supporting beam 202 includes an outer beam 20201 connected between the columns 1 and an inner beam connected between the outer beams 20201, A short reinforcing beam is provided between the outer beam 20201 and the inner beam. Can provide effective platform support.

In order to prevent the operator from accidentally falling to the outside, two vertically arranged guardrails 5 are arranged between the adjacent columns 1 on the outer periphery of each layer of the working platform 2 . It can effectively improve the safety of platform operation and prevent the operator from accidentally falling to the outside.

In order to facilitate transportation and hoisting and installation, the steel structure vertical frame includes left and right half frames that can be transported independently, left half frame and right half frame, and both left and right half frames have 3 columns 1. On the left half frame Small vertical columns 12 are provided on the outer side of the butt-jointed surface with the right half-frame, and short reinforcing beams are provided on the top and bottom of the closed-joint surface. By dividing it into two half racks, it can effectively reduce the weight and difficulty of transportation, reduce the lifting weight of the crane, and facilitate installation.

For the convenience of manufacture, the vertical ladder 4 is located on the left half frame. Since the left half frame and the right half frame are symmetrically identical half frames, the vertical ladder 4 can be arranged on the left half frame, the integrity of the vertical ladder 4 is maintained, and the manufacture is convenient.

In order to facilitate transportation and hoisting and installation, the left half frame and the right half frame are composed of two independent upper and lower sections. The connecting parts of the upright column 1 of the upper and lower sections are connected by two sets of connectors located on the two sides of the upright column. The connectors include the connection When connecting the piece 7 and the bolt 9, the bolt fixing plate 8 welded on the side of the connection part of the column 1 is clamped by the two connecting pieces 7, and then connected and fastened by the bolt 9. By splitting each half frame into upper and lower parts, each part takes up less space, weighs less, and is easier to transport and lift.

In order to make the structure stronger, vertical columns 6 are provided between the upper and lower working platforms 2 at the four corners of the square hole inside the working platform 2 . It plays a supporting and strengthening role and makes the structure stronger.

In order to achieve a firm connection, the connection of the outer beam 20201, the oblique profile 3, the vertical column 6, and the guardrail 5 are all welded connections, and the butt surfaces of the left half frame and the right half frame are welded. The welding is firm and reliable, the process is simple, and the integration is good, and it is not easy to loosen the connection parts due to the vibration of transportation.

In order to realize repeated welding, the ground foundation concrete is pre-embedded with threaded steel clusters 10, prefabricated steel plates 11 are welded on the threaded steel clusters 10, and the upper surfaces of the prefabricated steel plates 11 are exposed to the concrete surface. The prefabricated steel plate 11 can realize repeated welding.

In order to facilitate the operation of the submarine cable terminal, the interlayer height of the working platform 2 is 1.8 meters. Adapt to the height of ordinary operators and facilitate the operation of submarine cable terminals.

During on-site installation, the ground should be leveled first, foundation excavation, reinforcing bars, formwork, embedded parts on-site burial, and foundation pouring; PVDF membrane cloth materials are purchased, and then welded in the factory; steel structure components are hoisted on site. , Using the two-point hoisting method, the steel structure components should be tested first, and on the premise of meeting the stability requirements, lift slowly. When the lifting is above the required height, the workers on the construction platform will hold the steel structure components. Align the installation and positioning center line, drop down slowly, check the verticality and levelness of the steel structure components, weld and fix the bolts 9 under the premise of meeting the requirements, and weld and fix the column 1 and the prefabricated steel plate 11 on the ground, all the After the steel structure components are installed, finally install the tent cloth and the movable roof with the square hole on the top, and then hang the cable wind rope.

When working on the submarine cable terminal, the submarine cable terminal is erected in the middle square hole channel, the operator climbs to the working platform 2 through the vertical ladder 4, and the gap between the submarine cable terminal head and the working platform 2 is overlapped with a springboard. The roof and the surrounding shed cloth realize a stable indoor construction environment. Through the multi-layer working platform 2, when the operator strips the outer sheath insulation shielding layer of the submarine cable, each layer can make the operator stand to operate, Continuous operation in the vertical direction can effectively improve the operating environment, improve the quality and efficiency of the operation, shorten the operation time and reduce the probability of failure.

In this example, the side length of the square hole on the top surface is 1.8 meters; the shed cloth is PVDF coated film cloth.

The protective scaffolding made of a submarine cable terminal shown in the above Figures 1-2 is a specific embodiment of the present invention, which has already reflected the substantial features and progress of the present invention. Under the inspiration of , the equivalent modification of its shape, structure, etc., are all within the protection scope of this scheme.

Claims (10)

1. a protective scaffolding made of a submarine cable terminal, is characterized in that: comprising a steel structure stand with a square cross section and a shed cloth around the steel structure stand, a cable wind rope is hung outside the shed cloth, and the steel structure stand There is a movable roof on the top of the steel structure; the steel structure stand includes 6 load-bearing columns (1), of which four columns (1) are located at the outer four corners of the steel structure stand, and the other two are arranged oppositely on the outside to form The layout of 2 opposite faces and 3 on each side, and each column (1) is parallel to the columns (1) on both sides at equal distances; the steel structure frame is vertically arranged with a multi-layer working platform (2), and the adjacent columns (1) ) are provided with inclined profiles (3) to strengthen the connection, square holes are provided in the middle and top surface of each working platform (2), and vertical ladders (4) are provided on the inner side of the square holes; 6 load-bearing columns The lower end of (1) is connected and fixed on the ground foundation. 2. The protective scaffolding made of a submarine cable terminal according to claim 1, wherein the working platform (2) comprises a platform plate (201) and a supporting beam (202) at the bottom of the platform plate (201). ), the support beam (202) includes an outer beam (20201) connected between the uprights (1) and an inner beam connected between the outer beams (20201), and a set between the outer beam (20201) and the inner beam There are short reinforcing beams. 3. The protective scaffolding made of submarine cable terminals according to claim 2, characterized in that: a plurality of vertical rows are arranged between adjacent columns (1) on the outer periphery of each layer of the working platform (2). guardrail (5). 4 . The protective scaffolding made of a submarine cable terminal according to claim 3 , wherein the steel structure vertical frame comprises a left half frame and a right half frame that can be independently transported, and the left half frame and the right half frame are independently transportable. The left half and right half have 3 uprights (1), and there are vertical small uprights (12) on the outer side of the left and right half of the butt-joint surfaces, and the top and bottom of the butt-jointed surfaces are closed All have short reinforcing beams. 5 . The protective scaffolding made of submarine cable terminals according to claim 4 , wherein the vertical ladder ( 4 ) is located on the left half frame or the right half frame. 6 . 6. The protective scaffolding made of a submarine cable terminal according to claim 5, wherein the left half shelf and the right half shelf are composed of two independent upper and lower sections, and the upper and lower sections of the uprights (1 ) The connecting parts are connected by two sets of connecting pieces located on the two sides of the column. The connecting pieces include connecting pieces (7) and bolts (9). When connecting, the column (1) is clamped by two connecting pieces (7). The bolt fixing plate (8) welded on the side of the connection part is then connected and tightened by bolts (9). 7. A protective scaffolding made of submarine cable terminals according to claim 6, characterized in that: vertical columns (6) are provided between the four corners of the inner square hole of the working platform (2) between the upper and lower working platforms (2). ). 8. The protective scaffolding made of a submarine cable terminal according to claim 7, characterized in that: the outer beam (20201), the oblique profile (3), the vertical column (6), the guardrail (5) ) are connected by welding, and the butt surfaces of the left half frame and the right half frame are welded. 9. The protective scaffolding made of a submarine cable terminal according to claim 8, characterized in that: said ground foundation concrete pre-embedded threaded steel clusters (10) are welded with prefabricated steel plates on the threaded steel clusters (10). (11), the upper surface of the prefabricated steel plate (11) is exposed to the concrete surface. 10 . The protective scaffolding made of a submarine cable terminal according to claim 1 , wherein the interlayer height of the working platform ( 2 ) is between 1.8 and 2 meters. 11 .

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