CN103669996A - Fast assembled and disassembled hard safety rail - Google Patents

Abstract

The invention discloses a hard safety fence that can be assembled and disassembled quickly. The safety fence is composed of a head end fence frame (1) connected with several continuous fence frames (2); an upper cross bar (4) and a lower cross bar (5) are installed on A frame is formed between two uprights (3), and an upper connection sleeve (6) and a lower connection sleeve (8) are respectively installed on the top and bottom of one of the uprights to form the head end fence frame (1); the upper cross bar (4) and the lower The cross bar (5) is horizontally installed on a column (3) to form a half frame, the upper joint (7) is installed on the upper cross bar (4), the lower joint (9) is installed on the lower cross bar (5), and the column The upper and lower connecting sleeves (6) and lower connecting sleeves (8) of (3) are respectively installed to form a continuous fence frame (2); the present invention is simple in structure and easy to install, and the fence frame is directly connected to the fence frame, and needs to be connected after the connection. It can only be dismantled with tools to ensure the safety of electric power construction.

Description

Hard safety fence with quick assembly and disassembly

technical field

The invention relates to an isolation device used for safety protection and area isolation in a construction site, in particular to an isolation device used in an electrical equipment construction site for entering a charged area by mistake, in particular to an installed hard safety fence.

Background technique

The State Grid Corporation of China's "Electrical Industry Safety Work Regulations" stipulates that safety fences and warning signs must be set up around adjacent live equipment for maintenance of substation equipment to prevent maintenance personnel from accidentally entering live intervals and accidentally touching live equipment. The national standard GBT17045-2008 "General Parts of Electric Shock Protection Devices and Equipment" stipulates that the safety fence should have sufficient mechanical strength, stability and durability, be firmly and safely fixed in its position, and can only be operated with keys or tools. tear down.

At present, the hard fence configured on the substation site is a split-type safety fence connected by bolts, which is composed of a fence, a column and bolts. When assembling the fence, the fence frame must be inserted into the uprights first, and then connected with bolts. A large number of bolts and screws are required, the capacity is lost, and installation and disassembly are very inconvenient. A large-scale overhaul of a 110kV substation generally requires 4-5 people to install the hard fence, at least 2-3 hours, and at most half a day to complete the work of installing the hard fence, which is time-consuming and laborious. The setting and dismantling of the safety fence in the substation must be carried out in a power outage state, and unnecessary power outage time is increased due to the installation and removal of the safety fence. The utility model patent "A Safety Fence" (Patent No. 201220479047.7) discloses a safety fence for electrical equipment. The safety fence adopts the design of hinges and nuts so that the safety fence can be freely combined with other fences. It can be disassembled at will without using tools, which does not meet the safety requirements.

Contents of the invention

The purpose of the present invention is to provide a hard safety fence that can be assembled and disassembled quickly. The structure is simple and the installation is convenient. Safety during construction.

The technical solution of the present invention is: the safety fence is composed of a head-end fence frame connected with several continuous fence frames; the head-end fence frame includes a column, an upper cross bar, a lower cross bar, a middle vertical bar, an upper connecting sleeve and The lower connection sleeve, the upper cross bar and the lower cross bar are installed horizontally between two uprights to form a frame, and several intermediate vertical bars are installed longitudinally between the upper and lower cross bars, and the upper and lower sides of one of the uprights are respectively installed on the upper and lower joints. sleeve and the lower connecting sleeve; the connecting frame includes a column, an upper cross bar, a lower cross bar, an intermediate vertical bar, an upper connecting sleeve, a lower connecting sleeve, an upper connecting head and a lower connecting head, an upper cross bar and a lower connecting head The horizontal bar is horizontally installed on a column to form a half frame, and several intermediate vertical bars are installed longitudinally between the upper and lower rails at intervals, the upper connector is installed on the upper rail, the lower connector is installed on the lower rail, and the column The upper and lower connecting sleeves are installed respectively; the upper connecting sleeve is a long U-shaped square groove, and there is a deadbolt hole in the middle of the two facades of the long U-shaped square groove; the lower connecting sleeve is a long U-shaped square groove. U-shaped square groove, a round hole in the middle of the two facades of the long U-shaped square groove; the upper connector includes a block, a curved rod, a spring and a gear, and the center of the block is equipped with a gear, which is located above and below the gear The curved rods are respectively installed through springs, one end of the curved rods protrudes from a square and is welded with a deadbolt, the other end of the curved rods is provided with a rack meshing gear, and the center of the gears is provided with a keyhole; the lower connector includes a square, a hollow screw and a spring , both sides of the box are equipped with hollow screws embedded with springs, one end of the hollow screw sticks out of the box and is embedded with positioning steel balls.

Wherein, the upper connecting sleeve or the lower connecting sleeve is a long T-shaped square groove.

Among them, three sets of fixing holes of 0, 45 and 90 degrees are set on the column.

The present invention has the following advantages: 1. The safety fence eliminates the connecting bolts, and is composed of a number of continuous fence frames connected by the head end fence frame, so that the parts of the safety fence are greatly simplified and practical; 2. During installation, the head end fence frames are connected Several continuous fence frames, no need for other fasteners, no tools, easy to adjust the direction; 3. When dismantling, use a simple square key to disassemble the fence, which not only prevents the random removal of the fence, but also facilitates the installation Quick removal of personnel; 4. Simple structure, quick installation and removal, saving a lot of fence setting and removal time at the substation maintenance construction site, thus reducing power outage time and improving work efficiency; 5. Except for normal linear installation on the column In addition to the 0-degree fixing holes, there are two sets of 45 and 90-degree fixing holes, which are convenient for adjusting the angle of the fence during non-linear connection; Screws and other accessories basically do not require any tools except for adjusting the direction, which is convenient and quick, saving time and effort.

Description of drawings

Figure 1 is a schematic diagram of the structure of the hard safety fence for quick assembly and disassembly.

Figure 2 is a schematic diagram of the structure of the upper connection sleeve.

Fig. 3 is a schematic diagram of the structure of the lower connecting sleeve.

Fig. 4 is a schematic diagram of the structure of the upper connector.

Fig. 5 is a schematic diagram of the structure of the lower connector.

Figure 6 is a schematic diagram of the fence removal key.

In the figure: 1 head frame, 2 continuation frame, 3 column, 4 upper horizontal frame, 5 lower horizontal frame, 6 upper connecting sleeve, 7 upper connecting head, 8 lower connecting sleeve, 9 lower connecting head, 10 middle Vertical bar, 11 bolt holes, 12 round holes, 13 squares, 14 curved bars, 15 springs, 16 gears, 17 dead bolts, 18 racks, 19 keyholes, 20 hollow screws, 21 positioning steel balls, 22 fixed holes.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing.

As shown in Figure 1-5, the safety fence is composed of a head end frame 1 connected to several continuous frame frames 2; the head end frame 1 includes a column 3, an upper rail 4, a lower rail 5, a middle The rod 10, the upper connecting sleeve 6 and the lower connecting sleeve 8, the upper cross bar 4 and the lower cross bar 5 are horizontally installed between two columns 3 to form a frame, and several middle vertical bars 10 are longitudinally spaced on the upper horizontal bar 4 and the lower horizontal bar. Between the bars 5, an upper connecting sleeve 6 and a lower connecting sleeve 8 are respectively installed on the upper and lower sides of one of the columns; , the upper connecting sleeve 6, the lower connecting sleeve 8, the upper connecting head 7 and the lower connecting head 9, the upper cross bar 4 and the lower cross bar 5 are horizontally installed on a column 3 to form a half frame, and several middle vertical bars 10 are vertically spaced and installed Between the upper cross bar 4 and the lower cross bar 5, the upper joint 7 is installed on the upper cross bar 4, the lower joint 9 is installed on the lower cross bar 5, and the upper and lower joint sleeves 6 and 8 are respectively installed on the upper and lower sides of the column 3 ; The upper connecting sleeve 6 is a long U-shaped square groove, and each of the two facades of the long U-shaped square groove has a deadbolt hole 11; the described lower connecting sleeve 8 is a long U-shaped square groove, and a long U-shaped There is a round hole 12 in the middle of the two facades of the square groove; the upper connector 7 includes a block 13, a curved rod 14, a spring 15 and a gear 16, the center of the block 13 is equipped with a gear 16, and the block 13 is located in the gear 16 The upper and lower sides of the curved rod 14 are respectively installed through the spring 15, and one end of the curved rod 14 stretches out the block 13 and welds the dead bolt 17, and the other end of the curved rod 14 establishes the tooth bar 18 meshing gear 16, and the center of the gear 16 establishes the keyhole 19; Described lower connecting head 9 comprises block 13, straight rod 20 and spring 15, and the hollow screw rod 20 of embedded spring 15 is equipped with in both sides in block 13, and one end of hollow screw rod 20 stretches out block 13 and embedded positioning steel ball 21.

Wherein, the upper connecting sleeve 6 or the lower connecting sleeve 8 is a long U-shaped square groove.

Wherein, two groups of fixing holes 22 at 45 and 90 degrees are set on the column 3 .

Among them, the height of the fence frame is 1.7 meters, the width is 2 meters, the cross bar and the supporting feet are made of insulating epoxy resin square tube, the square tube size is 40mm×40mm, and the wall thickness is 3mm; the column is made of insulating epoxy resin round tube. Made of pipe, diameter 40mm, wall thickness 3mm; the middle vertical rod is epoxy resin round pipe with diameter 18mm, wall thickness 2mm; the connecting sleeve is made of stainless steel, wall thickness 3mm, which is a 60mm long U-shaped square groove; the connecting head is made of 3mm wall thickness The stainless steel is made into a square, and the two sides of the facade of the square protrude from the 10mm long lock tongue.

Operation steps of the present invention are as follows:

Installation: First place the head end frame at the starting position where the safety fence needs to be set, and then use the extension frame to set it along the edge of the isolation area; when connecting, the side of the extension frame without the column faces the head end fence Frame, connect the connector on the frame to the connector sleeve and press down, the ball of the lower connector snaps into the round hole of the lower connector, and the lock bolt of the upper connector snaps into the latch hole of the upper connector ;The rest of the connecting frames are connected sequentially according to the above method. If the direction of the fence needs to be adjusted, the direction of the connecting sleeve on the frame before the direction needs to be adjusted is fixed, and the connecting frame whose direction has been adjusted in advance can also be used. ;When T connection is required, use the extension frame with T-shaped connection sleeve; when installing, it can also be assembled between the extension frames first, then connect the head end frame, install in sections, and finally assemble into shape. the

Removal: When removing the safety fence, you can start from between any two frames; when removing, insert the key into the keyhole on the connecting head, turn clockwise 90 degrees, and retract the lock bolt on the connecting head. The horizontal frame with connectors is lifted upwards, and only when a "click" is heard, the upper and lower connectors are separated from the connecting sleeve, and the two frames are separated; the other frames are separated one by one by the above method, and the removal of the safety fence can be completed.

Claims (3)

1. A hard safety fence for quick assembly and disassembly, characterized in that: the safety fence is composed of a head end frame (1) connected to several continuous frame frames (2); the head end frame (1) includes a column ( 3), the upper cross bar (4), the lower cross bar (5), the middle vertical bar (10), the upper connecting sleeve (6) and the lower connecting sleeve (8), the upper cross bar (4) and the lower cross bar (5 ) is horizontally installed between two uprights (3) to form a frame, several intermediate vertical bars (10) are installed longitudinally between the upper cross bar (4) and the lower cross bar (5), and the upper and lower sides of one of the upright posts are respectively installed The upper connecting sleeve (6) and the lower connecting sleeve (8); the connecting frame (2) includes a column (3), an upper cross bar (4), a lower cross bar (5), an intermediate vertical bar (10 ), the upper connecting sleeve (6), the lower connecting sleeve (8), the upper connecting head (7) and the lower connecting head (9), the upper cross bar (4) and the lower cross bar (5) are horizontally installed on a column ( 3) A semi-frame is formed on the upper part, and several middle vertical bars (10) are longitudinally spaced between the upper bar (4) and the lower bar (5). The lower connecting head (9) is installed on the cross bar (5), and the upper connecting sleeve (6) and the lower connecting sleeve (8) are respectively installed on the upper and lower sides of the column (3); the upper connecting sleeve (6) is a long U-shaped square Groove, a deadbolt hole (11) in the middle of the two facades of the long U-shaped square groove; the lower connecting sleeve (8) is a long U-shaped square groove, and each A round hole (12); the upper connector (7) includes a block (13), a curved rod (14), a spring (15) and a gear (16), and the center gear (16) inside the block (13) , the box (13) is positioned at the upper and lower sides of the gear (16) respectively through the spring (15) to install the curved rod (14), and one end of the curved rod (14) stretches out from the block (13) and welds the dead bolt (17), and the curved rod ( The other end of 14) is provided with a rack (18) meshing with a gear (16), and the center of the gear (16) is provided with a keyhole (19); the lower connector (9) includes a square (13), a hollow screw (20) With spring (15), the hollow screw rod (20) of embedded spring (15) is equipped with in both sides in square (13), and one end of hollow screw rod (20) stretches out square (13) and embedded positioning steel ball (21). 2. The fast assembly and disassembly hard safety fence according to claim 1, characterized in that: the upper connection sleeve (6) or the lower connection sleeve (8) is a long U-shaped square groove. 3. The fast assembly and disassembly hard safety fence according to claim 1, characterized in that: three sets of fixing holes (22) of 0, 45, and 90 degrees are provided on the column (3).

Images