CN210508664U - Fence upright post with locking function - Google Patents

Abstract

The utility model discloses take rail stand of shutting function, stand body lower extreme fixed connection card cover, after the card cover inserts the three arc hole groove main aspects in cassette top through three bayonet lock, the stand body is rotatory, and the bayonet lock slides along the arc hole groove and gets into tip spacing fixed, and the stopper stretches into the three spacing pinhole cooperation spacing of cassette top surface through three spacing post, and the stand body can not rotate and withdraw; the safety fence is fixedly installed through an upper hook and a lower hook on the upright post body, and a fence locking plate at the upper end of the upper hook rotatably extends into a locking plate groove to be matched with a locking plate inside the upper end of the upright post body for locking and limiting; the safety fence can be reliably locked after being matched and connected with the stand column for installation, the sliding is prevented from loosening, the support is stable, the safety protection performance is reliable, the size is small, the weight is light, and the installation and disassembly operation is convenient.

Description

Fence upright post with locking function

Technical Field

The invention relates to a fence upright post with a locking function in the overhauling, testing and power distribution maintenance of power transmission and transformation equipment in the power industry.

Background

With the high-speed development of the power technology, the electrical equipment in the power industry is continuously updated, the structural form, the spatial structural arrangement form and the like of the electrical equipment are more and more complex, and accordingly the overhaul and maintenance work requirement and the operation mode also need to be adjusted along with the requirement; the safety measures of the existing primary equipment of the transformer substation are mainly divided into two types, wherein one type is the safety measure of a working place for a working team and the other type is the safety measure of the working place for the working team and the operating personnel. The other is a hard isolation safety measure which is set by a construction unit for strictly distinguishing a construction area from an equipment operation area;

the operation personnel can prevent the operation personnel from working on the primary equipment of the transformer substation by mistake, mistakenly getting up, mistakenly touching the live operation equipment, or prevent the measures taken by personal injury.

The traditional primary safety measures are divided into a disc base type, an insertion base type and a fixed fence type according to the supporting mode of the safety fence, each mode has advantages and disadvantages and also has characteristics, and the analysis is as follows:

1. the common problem is that:

the fixing is not firm, and the fixing is easily toppled under the influence of external force in the using process. The operation and maintenance personnel are arranged by experience, so that the operation and maintenance personnel are difficult to horizontally, vertically and normally arrange, and are not beautiful;

2. single problem:

the fixed bracket type is a telescopic fence which is mainly used for safety arrangement of indoor equipment such as a relay room screen cabinet, a switch cabinet and the like, can be spliced, but has inflexible corners, and has longer frame legs and inconvenient transportation;

the soil-inserting type adopts a combined form of the inserted bar and the purse net, has flexible splicing corners, is only suitable for soft ground and cannot be used on hard ground, and the inserted bar metal bracket leg has heavy weight;

the disk base type is mainly used on hard ground, the base is large and heavy, the assembly and disassembly processes are complex, and the workload of operation and maintenance personnel is increased;

the inserted rod pre-buried pile type needs to be buried underground, has complex construction and difficult maintenance, and has large one-time investment for arranging and installing ground piles;

all in all, the security fence that traditional maintenance in-process used passes through the stand cooperation to be connected can not reliably lock after the installation, and the easy slip is not hard up, and safety protection performance is unreliable, and the base also does not have stop device, and the erection joint is unstable, has the rail and is difficult to fix, anti wind power is poor, easily empty the scheduling problem to security fence equipment is bulky and heavy, and removal, transportation operation are inconvenient, and the installation is dismantled loaded down with trivial details, has increased transformer substation operation and maintenance operating personnel's work load.

Disclosure of Invention

The invention aims to solve the technical problem of providing a fence upright post which can be reliably locked after being connected and installed through the upright post in a matching way, prevents sliding looseness, has reliable safety protection performance, small volume and light weight, is convenient to install, disassemble and operate and has a locking function.

The invention relates to a fence upright post with a locking function, which is characterized in that: the device comprises a base and a vertical column body fixedly connected and supported by the base, wherein the vertical column body is of a hollow tubular structure with a hollow inner cavity; three clamping grooves capable of being rotationally clamped and a positioning clamping pin structure are uniformly arranged in the base along the circumferential direction; the lock comprises a vertical column body, a lock box, a lock core, a first pull rope, a limit block, a limit column and a base, wherein the top end of the vertical column body is fixedly provided with the lock box, a lock tongue is arranged in the lock box through the lock core, the lock tongue is connected with the first pull rope, the upper end of the first pull rope is fixedly connected to the lock tongue, the lower end of the first pull rope extends downwards to the bottom end of the vertical column body along the hollow inner cavity of the vertical column body and is connected with the; the upper section of the limiting block is sleeved with a return spring, the lower end of the return spring is limited by a limiting step of the limiting block, and the upper end of the return spring is limited by the inner bottom surface of the clamping seat;

the upper part and the lower part of the outer circumferential surface of the upright column body are respectively and fixedly provided with an upper hook and a lower hook which can be used for inserting, fixing and hanging a fence, the top end of the upper hook is hinged with a fence locking plate which can rotate around a hinge shaft in a vertical plane, and the position of the upper section of the wall part of the upright column body, which corresponds to the fence locking plate, is provided with a vertical locking plate groove; a lock plate seat is fixedly arranged in an inner cavity at the upper end of the upright post body, a lock plate capable of moving up and down is arranged on the lock plate seat, the position of the lower end of the lock plate in the vertical direction corresponds to the upper end of the seine lock plate, and a spring enabling the lock plate to have a downward moving trend is arranged between the back surface of the lock plate and the lock plate seat; the lock plate is fixedly connected with a second pull rope, the upper end of the second pull rope is fixedly connected to the lock tongue, and the lower end of the second pull rope is fixedly connected to the lock plate;

the inner side part of the top end of the locking plate, which is close to the upright post body, is arc-shaped, and the outer side part of the top end of the locking plate is a sunken limiting hook shape;

the top end of the upper hook is provided with an inserting groove, and the lower section of the locking plate is installed in the inserting groove in a matching way and is hinged through a pin shaft;

the lower end of the locking plate is fixedly provided with a torsion spring through a torsion spring groove, the locking plate is sleeved on the pin shaft through the torsion spring, the upper end of the torsion spring extends into the torsion spring groove, and the lower end of the torsion spring extends into the hook limiting groove;

the lock plate is provided with an upper long waist round hole and a lower long waist round hole which form a guide groove, a bolt fixedly connected to the lock plate seat is arranged in each guide groove, and the lock plate is installed in a limiting mode through the two bolts and can move up and down along the bolts through the guide grooves;

the back surface of the lock plate is positioned between the two guide grooves and is connected with a spring through a countersunk screw, the spring is arranged in a spring groove in the lock plate seat, the lower end of the spring is fixedly connected to the countersunk screw, and the upper end of the spring is fixedly connected to the top surface in the spring groove;

the invention also relates to a fence upright post with a locking function, which is characterized in that: the device comprises a base and a vertical column body fixedly connected and supported by the base, wherein the vertical column body is of a hollow tubular structure with a hollow inner cavity; three clamping grooves capable of being rotationally clamped and a positioning clamping pin structure are uniformly arranged in the base along the circumferential direction; the lock comprises a vertical column body, a lock box, a lock core, a first pull rope, a limit block, a limit column and a base, wherein the top end of the vertical column body is fixedly provided with the lock box, a lock tongue is arranged in the lock box through the lock core, the lock tongue is connected with the first pull rope, the upper end of the first pull rope is fixedly connected to the lock tongue, the lower end of the first pull rope extends downwards to the bottom end of the vertical column body along the hollow inner cavity of the vertical column body and is connected with the;

the upper part and the lower part of the upright column body are respectively sleeved with an upper connecting sleeve and a lower connecting sleeve, the outer circumferential surfaces of the upper connecting sleeve and the lower connecting sleeve are respectively provided with a pair of connecting plates which extend horizontally, and the fence frame is matched and fixedly connected with the connecting plates; the outer circular surface of the vertical column body is provided with a limiting screw at the position above and below one of the connecting sleeves respectively, and the other connecting sleeve can move up and down along the vertical column body;

limiting screws are respectively arranged at the positions above and below the upper connecting sleeve on the outer circular surface of the vertical column body; the lower connecting sleeve can move up and down along the vertical column body.

The base comprises a reverse buckle disc-shaped clamping seat and a clamping cover which is sleeved outside the clamping seat in a matched mode and fixedly connected with a vertical column body at the upper portion, three arc-shaped hole grooves are uniformly distributed in the top surface of the clamping seat along the circle direction, the diameter of one end of each arc-shaped hole groove is larger than that of the other end of each arc-shaped hole groove, and three positioning clamping pins which can be matched with the three arc-shaped hole grooves for limiting are arranged at the bottom of the; the edge of the clamping seat is fixedly arranged on the ground of a working site through three bolts; a dustproof cover is arranged below the clamping seat, and a dustproof boss which is convex upwards and can be matched with and shield the arc-shaped hole groove is arranged on the top surface of the dustproof cover; a guide positioning column extending downwards is arranged on the inner top surface of the clamping seat, the dust cover is matched, positioned and installed through the guide positioning column and can move up and down along the guide positioning column, a pressure spring is arranged below the dust cover, and the bottom end of the pressure spring is pressed on the installation ground; the top surface of the clamping seat is uniformly provided with three limiting pin holes in the circumferential direction smaller than the diameter of the arc-shaped hole groove, and the lower end of the limiting block is provided with three limiting columns which can be matched with the three limiting pin holes for limiting;

the card cover is characterized in that a starting point mark is arranged at the edge of the card holder between two bolts, the wall part of the lower section of the card cover is in a conical shape matched with the card holder, and a socket mark is arranged at the position, corresponding to the starting point mark, of the outer surface of the lower section of the card cover.

According to the fence upright post with the locking function, the lower end of the upright post body is fixedly connected with the clamping cover, after the clamping cover is inserted into the large end of the three arc-shaped hole grooves at the top of the clamping seat through the three clamping pins, the upright post body rotates, the clamping pins slide along the arc-shaped hole grooves to enter the small end for limiting and fixing, the limiting blocks extend into the three limiting pin holes on the top surface of the clamping seat through the three limiting columns to be matched for limiting, and the upright post body cannot rotate and retreat; the safety fence is fixedly installed through an upper hook and a lower hook on the upright column body and is locked through the matching of a locking plate at the upper end of the upper hook and a locking plate; the safety fence can be reliably locked after being matched and connected with the stand column for installation, the sliding is prevented from loosening, the support is stable, the safety protection performance is reliable, the size is small, the weight is light, and the installation and disassembly operation is convenient.

Drawings

FIG. 1 is a schematic perspective view of a fence post with a locking function according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a fence upright post with a locking function of the present invention, wherein the locking box is removed from the fence upright post, and the upper section of the upright post is half-sectioned;

FIG. 3 is a schematic plane view of a fence post with a locking function according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

FIG. 5 is an enlarged bottom view of the enclosure column with the dust cover removed and the locking function of the embodiment of the present invention;

FIG. 6 is an enlarged partial view of section A-A of FIG. 5;

FIG. 7 is an enlarged partial view of section B-B of FIG. 5;

fig. 8 is a schematic perspective view of an exploded structure of a clamping cover and a clamping seat of a fence post with a locking function according to an embodiment of the present invention;

FIG. 9 is a schematic perspective view of a fastening seat of a fence post with a locking function according to an embodiment of the present invention;

fig. 10 is an enlarged schematic view of another perspective structure of the clamping seat of the fence post with a locking function according to the embodiment of the present invention;

fig. 11 is an enlarged schematic view of a planar structure of a clamping seat of a fence post with a locking function according to an embodiment of the present invention;

FIG. 12 is a schematic view of the cross-sectional structure C-C of FIG. 11;

FIG. 13 is an enlarged schematic view of a fence post with a locking function according to an embodiment of the present invention;

FIG. 14 is a partially enlarged schematic view of a half-sectioned upper end of a fence post with a locking function according to an embodiment of the present invention;

FIG. 15 is an enlarged schematic view of a three-dimensional structure of a locking plate of a fence post with a locking function according to an embodiment of the present invention;

fig. 16 is a schematic perspective view of a fence post with a locking function according to an embodiment of the present invention.

Detailed Description

As shown in the figures, according to the fence upright post with the locking function of the first embodiment, the base is fixedly installed on the ground of an electrical equipment overhaul and maintenance work site, the supporting upright post body 1 is fixedly connected above the base, the upright post body 1 is of a hollow tubular structure with a hollow inner cavity, and can be made of light materials such as engineering plastics, so that the fence upright post is small in size, light in weight and high in supporting strength; evenly set up the draw-in groove and the location bayonet lock structure of three rotatable joint along the circumferencial direction in the base, the grudging post body passes through location bayonet lock and draw-in groove location fit plug connection, and erection joint convenient operation supports reliable and stable.

The concrete structure of base does:

a clamping seat B3 is fixedly installed on the ground of an electrical equipment overhaul and maintenance work site, the bottom end of a safety fence upright post body 1 is fixedly connected with a clamping cover 7, the clamping cover 7 is matched, clamped and sleeved outside a clamping seat B3, and the upright post body 1 is matched with the clamping seat through the clamping cover to limit installation and support; can set up a plurality of cassettes along electrical equipment overhauls maintenance job site to set up safety fence comprehensively, safety fence passes through a plurality of stand column body erection bracing, with the adaptation site environment, every cassette can be connected with the card cover cooperation of an arbitrary stand column body bottom, and the card cover of every stand column body bottom also can be connected with an arbitrary cassette cooperation on scene ground, convenient operation.

In the concrete structure, the middle part of the clamping seat B3 protrudes upwards to form a conical clamping seat structure, the edge extends downwards to form a flange ring structure, three bolt connecting holes are uniformly arranged on the flange ring along the circumferential direction, a ground fastening bolt B1 is connected in each bolt connecting hole in a matched mode, and the clamping seat B3 is fixedly installed on the ground of a working site through a ground fastening bolt B1.

The top plate of the clamping seat B3 is provided with three arc-shaped hole grooves B4 which are uniformly distributed along the circumferential direction, and the diameter of one end of each arc-shaped hole groove B4 is larger than that of the other end; the bottom surface of the card cover 7 is inwards sunken to form a card disc cavity, a card disc C3 is arranged inside the card disc cavity, the card disc C3 is of an inverted disc-shaped structure, a card disc top plate is fixedly connected to the inner bottom surface of the card cover from bottom to top through a screw C2, three card pins C4 which vertically extend downwards are arranged on the inner top surface of the card disc C3, and the main body part diameter of each card pin C4 is matched with the small-diameter end of the arc-shaped hole groove B4;

furthermore, the upper section of the clamping cover is provided with a connecting section, and the clamping cover is matched and fixedly connected with the upright post of the safety fence through the connecting section;

furthermore, the connecting section is hollow, the wall part is of a double-layer structure consisting of an annular inner wall and an annular outer wall, a space between the inner wall and the outer wall forms a safety fence upright post inserting groove, and the outer circumferential surface of the connecting section is provided with a threaded connecting hole from outside to inside; the safety fence upright post is of a circular tube-shaped structure, is inserted into the insertion groove and then is connected in threaded connection holes in the inner wall of the connecting section, the wall part of the safety fence upright post and the outer wall of the connecting section in a penetrating manner through a countersunk head screw C1, and is fixedly installed in a limiting manner;

furthermore, the three bolt connecting holes on the flange ring are respectively positioned on the radial positions among the three arc-shaped hole grooves, so that the space utilization rate is high;

furthermore, a dust cover B2 is arranged in the clamping table, and a dust-proof boss which protrudes upwards and can be matched with and shield the arc-shaped hole groove is arranged on the top surface of the dust cover B2; the inner top surface of the clamping seat B3 is provided with a guide positioning column B5 extending downwards, a dust cover B2 is matched, positioned and installed through the guide positioning column B5 and can move up and down along the guide positioning column B5, a pressure spring B7 is arranged below the dust cover B2, the pressure spring B7 is a spiral spring, the bottom end of the spiral spring is pressed on the installation ground, and when the clamping seat B is not used at ordinary times, the dust cover moves upwards under the action of the pressure spring to shield the arc-shaped hole groove and prevent dust and garbage from entering the arc-shaped hole groove to influence the; when a clamping pin in the clamping cover at the bottom end of the upright post of the safety fence extends into the large end of the arc-shaped hole groove, the dust cover is pushed to move downwards, and the pressure spring is extruded and attached to the installation ground;

furthermore, the bottom end of each clamping pin C4 is provided with a limiting head, the diameter of the limiting head is larger than the diameter of the small end of the arc-shaped hole groove and smaller than the diameter of the large end of the arc-shaped hole groove, and the distance between the limiting head and the bottom end of the clamping chuck is adaptive to the thickness of the top plate of the clamping seat; after the clamping cover extends into the large end of the arc-shaped hole groove through the limiting head of the clamping pin, the clamping pin rotates along the arc-shaped hole groove to enter the small end of the arc-shaped hole groove, the limiting head provides vertical limiting, and the mounting and supporting are reliable; the periphery of the large end of each arc-shaped hole groove is provided with a limiting stop pillar protruding downwards, and when the clamping pin rotates reversely and retreats, the clamping pin is limited by the limiting head and the limiting stop pillar in a matching way, so that the clamping pin cannot rotate to pass the position, and the disassembly operation is convenient;

in the specific structure of the locking function, firstly, a lock box 2 is fixedly installed at the top end of a vertical column body, a bolt 7 is installed in the lock box 2 through a lock cylinder 21, a first pull rope C8 is fixedly connected below the bolt 7, the upper end of a first pull rope C8 is fixedly connected to the bolt 7, the lower end of the first pull rope C8 extends downwards to the bottom end of the vertical column body 1 along the hollow inner cavity of the vertical column body 1 and is connected with a limit block C9, the lower end of the limit block C9 is provided with three limit columns C7 extending downwards, and a base is provided with three pin holes through which the limit columns C7 can extend into for limiting; the upper section of the limiting block is sleeved with a return spring C6, the lower end of the return spring C6 is limited by a limiting step of the limiting block, and the upper end of the return spring C6 is limited by the inner bottom surface of the clamping seat; the section of the limiting block C9 is rectangular, a rectangular cavity is arranged in a clamping cover at the bottom end of the upright cylinder body 1, when the upright cylinder body is matched and spliced with the clamping seat through the clamping cover, the limiting block rotates together with the upright cylinder body in the rectangular cavity, after the clamping pin rotates to a small end from a large end along the arc-shaped clamping groove for limiting connection, three limiting columns at the lower end of the limiting block also rotate together to positions corresponding to three pin holes, the limiting block moves downwards under the action of elastic restoring force of the reset spring, the three limiting columns stretch into the three pin holes for matching and limiting, the upright cylinder body cannot continue to rotate, and the limiting and locking are realized; when the upright post body 1 needs to be disassembled, the lock cylinder is driven to rotate through a key, the limiting block is lifted upwards through the first pull rope C8, the limiting post is separated from the pin hole, and the upright post body can be disassembled in a reverse rotating mode.

The specific mounting structure of security fence does:

an upper hook 5 and a lower hook 6 are respectively and fixedly installed at the upper part and the lower part of the outer circumferential surface of the upright column body 1, and the upper end and the lower end of the safety fence are respectively matched with the upper hook 5 and the lower hook 6 to be inserted and fixedly hung; meanwhile, for locking the safety fence and preventing the fence from moving, a purse net locking plate 4 is hinged and connected to the top end of the upper hook, a vertical locking plate groove 3 is formed in the upper section of the wall of the upright column body corresponding to the purse net locking plate, a locking plate seat 11 is fixedly installed in the inner cavity of the upper end of the upright column body, a locking plate 9 capable of moving up and down is installed on the locking plate seat 11, the position of the lower end of the locking plate 9 in the vertical direction corresponds to the upper end of the purse net locking plate 4, a spring 10 is arranged between the back of the locking plate 9 and the locking plate seat 11, and the locking plate 9 always keeps a downward moving trend due to the elastic acting force of the spring 10; after the upper end of the safety fence is matched with the upper hook 5 and inserted and fixed to be hung, the seine locking plates 4 are rotated around the hinge points to the upper ends and extend into the locking plate grooves 3, the locking plates are pushed upwards, the upper ends of the seine locking plates extend into the inner sides of the locking plates, the locking plates move downwards to be reset by the elastic action force of the springs, the upper ends of the seine locking plates are blocked in a limiting manner, and the safety fence cannot slide and fall off;

a second pull rope 6 is also fixedly connected to the upper end of the locking plate 9, the upper end of the second pull rope 6 is also fixedly connected to the bolt 7, and the lower end is fixedly connected to the locking plate 9; when the key drives the lock cylinder to rotate, the lock tongue drives the lock plate to lift upwards through the second pull rope, the purse seine lock plate resets, and the safety fence can be detached.

The specific structure of the locking plate is as follows:

the inside part that 4 tops of locking plate are close to the stand column body is the camber line, is convenient for along the rotation of inwards sliding in locking plate bottom, promotes the locking plate rebound simultaneously, and locking plate outside part is sunken spacing hook-type, is convenient for spacing with the cooperation of locking plate lower extreme.

The top end of the upper hook is provided with a vertical slot, the lower section of the locking plate is installed in the slot in a matching mode and is hinged through a pin shaft 41, and a sunk screw or a bolt can be directly selected as a locking shaft.

The lower extreme of locking plate passes through a torsional spring groove fixed mounting torsional spring 42, and the locking plate passes through torsional spring suit on the round pin axle, and the torsional spring upper end stretches into to the torsional spring inslot, and the lower extreme stretches into to couple spacing inslot, and the back is upwards mentioned to the jam plate, and the locking plate resets under the elastic force effect of torsional spring.

The concrete sliding structure of jam plate: the lock plate is provided with an upper long waist round hole and a lower long waist round hole which form guide grooves, each guide groove is internally provided with a bolt fixedly connected to the lock plate seat, and the lock plate is installed in a limiting way through the two bolts and can move up and down along the bolts through the guide grooves;

the position that the jam plate back is located between two guide ways is through countersunk screw connection spring 10, and spring 10 installs in the spring inslot of jam plate seat, and spring 10 lower extreme fixed connection is on countersunk screw, and upper end fixed connection is on the top surface of spring inslot, and the elastic force of spring provides the effort of jam plate downward movement trend all the time.

For further improving the stand column body and base connection operation convenience, be located the position between wherein two bolts at the cassette edge and set up starting point sign B10, card cover hypomere wall portion sets up to the toper that suits with the cassette, is provided with socket sign 8 in the card cover hypomere surface and the corresponding position of starting point sign, aims at starting point sign B10 through socket sign 8 during the plug-in connection, can easily stretch into the big diameter end of arc hole groove on the cassette with the bayonet lock cooperation in the stand column body lower extreme card cover promptly.

The first pull rope and the second pull rope are both selected from steel wire ropes, so that the connection strength is high, and the operation effect is stable and reliable.

The fence upright post with the locking function in the second embodiment is also provided with a base and an upright post body fixedly connected and supported by the base, and the structures of the upright post body and the base are consistent with the specific structure in the first embodiment;

the difference lies in that the upper part and the lower part of the outer circumferential surface of the upright column body 1 are respectively sleeved with an upper connecting sleeve A1 and a lower connecting sleeve A2, the outer circumferential surfaces of the upper connecting sleeve A1 and the lower connecting sleeve A2 are respectively provided with a pair of connecting plates A3 extending along the horizontal direction, and the fence is matched and fixedly connected with the connecting plates A3 through a frame; limiting screws A4 are respectively arranged at the positions above and below one of the connecting sleeves on the outer circular surface of the vertical column body, so that one connecting sleeve is fixed in a limiting manner, and the other connecting sleeve can move up and down along the vertical column body, so that the installation and connection requirements of the stretching net type safety fence are met;

in practical operation, the limiting screws A4 are respectively arranged at the positions above and below the upper connecting sleeve A1 on the outer circular surface of the upright column body, so that the upper connecting sleeve A1 is fixed, and the lower connecting sleeve A2 can move up and down along the upright column body.

The specific design concept is as follows:

the invention relates to fixed high-voltage electrical equipment for power generation, supply and distribution, which is mainly used for safety fences required by electrical equipment maintenance, electrical tests, power distribution maintenance and isolation of areas such as banks, stations, hospitals and the like, in particular to a GIS high-voltage combined electrical apparatus.

Along with the high-speed development of power technology, power equipment is updated, the maintenance work requirement and the adjustment of operation mode also have changed newly, the structural style and the aspect of the spatial arrangement complexity of substation equipment promote greatly for traditional safety fence equipment is heavy, the transportation is inconvenient, install and remove trouble scheduling problem and show gradually, the work burden of transformer substation fortune dimension personnel has increased in the intangible, and traditional safety fence is difficult to fix, the anti-wind ability is poor, easily empty scheduling problem, also be the potential hidden danger that is not neglected in the aspect of the safety arrangement.

The safety measures of the existing primary equipment of the transformer substation are mainly divided into two types, wherein one type is the safety measure of a working place for a working team and the other type is the safety measure of the working place for the working team and the operating personnel. The other is a hard isolation safety measure which is set by a construction unit for strictly distinguishing a construction area from an equipment operation area;

the operation personnel can prevent the operation personnel from working on the primary equipment of the transformer substation by mistake, mistakenly getting up, mistakenly touching the live operation equipment, or prevent the measures taken by personal injury.

The traditional primary safety measures are divided into a disc base type, an insertion base type and a fixed fence type according to the supporting mode of the safety fence, each mode has advantages and disadvantages and also has characteristics, and the analysis is as follows:

1. the common problem is that:

the fixing is not firm, and the fixing is easily toppled under the influence of external force in the using process. The operation and maintenance personnel are arranged by experience, so that the operation and maintenance personnel are difficult to horizontally, vertically and normally arrange, and are not beautiful.

2. Single problem:

the fixed support type telescopic fence is mainly used for safety arrangement of indoor equipment such as relay protection room screen cabinets, switch cabinets and the like, can be spliced, but has inflexible corners, and is long in frame legs and inconvenient to carry.

The soil-inserting type adopts a combined form of the inserted bar and the purse net, the splicing and the rotation angle are flexible, but the inserted bar type metal support leg is only suitable for soft ground and cannot be used on hard ground, and the weight of the inserted bar type metal support leg is large.

The disk base type is mainly used on hard ground, the base is large and heavy, the assembly and disassembly processes are complex, and the workload of operation and maintenance personnel is increased.

The inserted rod pre-buried pile type needs to be buried underground, has complex construction and difficult maintenance, and has large one-time investment for arranging and installing ground piles.

3. The improvement direction of the safety fence is as follows:

through the contrast of several kinds of security fences (purse nets) that present transformer substation mainly used, combine the actual safety measure needs of transformer substation, security fence's improvement direction should mainly be around following several points:

① the fence is firmly fixed at the root, has wind resistance and is not easy to topple.

② the inserted rod should be made of light material, and the structure of the supporting leg is simplified to reduce the transportation burden.

③ the fence structure is optimized, the installation and removal process is simplified, and the burden of operation and maintenance workers is reduced.

④ it has applicability to hard and soft ground, simplifies the pre-buried foundation structure, and reduces the cost.

⑤ the embedded point positions are combined with the actual equipment arrangement of the transformer substation, especially considering the situation that the number of the combined electrical appliance supports and the number of the frameworks are large, the embedded point positions need to be flexibly set so as to adapt to the arrangement requirements of various maintenance work safety measures.

⑥ consider the locking function of the safety fence to prevent the safety measures from being damaged by man

⑦ the fence has complete functions and makes the fence horizontal, vertical, neat and beautiful.

4. The specific technical structure is as follows:

the multifunctional upright post combined safety fence developed by people is a means for effectively guaranteeing the personal safety of GIS equipment maintainers and the safety isolation and warning of the equipment, improves the safety and reliability of the equipment during maintenance, reduces the field management cost, fills the gap that the standardized safety measures for the field maintenance of the GIS equipment are lack of systematicness for a long time, provides standardized guidance measures for field safety production, and is a new technical product required by the safety measures for the maintenance and the maintenance of various fixed electrical equipment.

The multifunctional upright post combined safety fence is an innovation of a safety fence, a purse net or a warning belt used in a power system, and mainly solves the following problems:

① it can effectively reduce the heavy physical labor of operation and maintenance personnel.

② it can effectively prevent the safety fence, net or warning belt from falling and being out of position due to external force

The problem of the specification.

③ the guard fence, purse net or warning belt is effectively controlled, because of its variety, inconvenient use, high damage rate after use, and difficult storage and management after use.

Multifunctional column makes up security fence as a parent, when fortune dimension personnel arrange safety measure, can be according to on-the-spot actual demand, the variety of adjustment use if: fences, seines, warning tapes, and the like.

The multifunctional upright post combined safety fence mainly comprises a ground buckle locking disc, a purse net or a warning belt and a combined upright post part.

1. The ground buckle locking disc comprises the following components: the ground buckle locking disc is provided with a boss corresponding to the ground buckle locking disc.

2. The combination stand part: insulating rod, barrier pin, stop ring, multi-functional cover, stand chuck of hanging, the stand top is equipped with the block lid of capping, stand chuck fastening in the bottom of combination stand, stand chuck component: the chuck cover, locating pin or screw, spacing sleeve pipe, buckle, the chuck cover plays the effect of protection buckle, and the cover is equipped with the boss outward and can be for assistance-localization real-time when operating.

The method comprises the following specific operation steps:

when the operation and maintenance staff hang the safety isolation fence as required, the stand column is only required to be transported to the site, the chuck on the stand column is inserted and fixed on the ground buckle plate as required, and the specific implementation mode is as follows:

1. locking the stand column: the card cover socket mark at the bottom of the upright post with the locking function is aligned with the start point mark of the card seat and pressed down, and the upright post body and the card seat are automatically locked at the moment when the upright post body rotates clockwise by about 45 degrees.

2. Hanging a net: the purse net is hung at the upper hook of the upright post, and if locking is needed, the locking plate is pushed into the locking plate groove on the upright post body and is meshed with the bottom end of the locking plate, so that the task of hanging net and locking can be completed.

3. Collecting the net: the key is inserted into the control lock, the control lock is opened by clockwise rotation, the net hanging locking plate is automatically popped out of the locking plate groove at the moment, the net can be collected, and then the key can be taken out by anticlockwise rotation.

4. Unlocking the stand column: insert the key in the control lock, clockwise rotation opens the control lock, and the stopper in the card cover will be automatic bounces, with socket sign counter-clockwise turning to cassette starting point sign on the stand, the stand breaks away from the locking of cassette this moment, and counter-clockwise turning key can take out the key after the stand unblock succeeds.

Claims (10)

1. The utility model provides a rail stand of area shutting function which characterized in that: the device comprises a base and a vertical column body fixedly connected and supported by the base, wherein the vertical column body is of a hollow tubular structure with a hollow inner cavity; three clamping grooves capable of being rotationally clamped and a positioning clamping pin structure are uniformly arranged in the base along the circumferential direction; the lock comprises a vertical column body, a lock box, a lock core, a first pull rope, a limit block, a limit column and a base, wherein the top end of the vertical column body is fixedly provided with the lock box, a lock tongue is arranged in the lock box through the lock core, the lock tongue is connected with the first pull rope, the upper end of the first pull rope is fixedly connected to the lock tongue, the lower end of the first pull rope extends downwards to the bottom end of the vertical column body along the hollow inner cavity of the vertical column body and is connected with the; the upper section of the limiting block is sleeved with a return spring, the lower end of the return spring is limited by a limiting step of the limiting block, and the upper end of the return spring is limited by the inner bottom surface of the clamping seat;

the upper part and the lower part of the outer circumferential surface of the upright column body are respectively and fixedly provided with an upper hook and a lower hook which can be used for inserting, fixing and hanging a fence, the top end of the upper hook is hinged with a fence locking plate which can rotate around a hinge shaft in a vertical plane, and the position of the upper section of the wall part of the upright column body, which corresponds to the fence locking plate, is provided with a vertical locking plate groove; a lock plate seat is fixedly arranged in an inner cavity at the upper end of the upright post body, a lock plate capable of moving up and down is arranged on the lock plate seat, the position of the lower end of the lock plate in the vertical direction corresponds to the upper end of the seine lock plate, and a spring enabling the lock plate to have a downward moving trend is arranged between the back surface of the lock plate and the lock plate seat; fixedly connected with second stay cord on the jam plate, second stay cord upper end fixed connection is on the spring bolt, and lower extreme fixed connection is on the jam plate.

2. A fence post with a locking function as claimed in claim 1, wherein: the inner side part of the top end of the locking plate close to the upright post body is arc-shaped, and the outer side part is in a sunken limiting hook shape.

3. A fence post with a locking function as claimed in claim 1, wherein: the top end of the upper hook is provided with a slot, and the lower section of the locking plate is installed in the slot in a matching manner and is hinged through a pin shaft.

4. A fence post with a locking function as claimed in claim 1, wherein: the locking plate lower extreme has the torsional spring through torsional spring groove fixed mounting, and the locking plate passes through torsional spring suit at the round pin epaxial, and the torsional spring upper end stretches into to the torsional spring inslot, and the lower extreme stretches into to couple spacing inslot.

5. A fence post with a locking function as claimed in claim 1, wherein: two long waist round holes constitute the guide way about being provided with on the jam plate, set up a bolt of fixed connection on the jam plate seat in every guide way, the jam plate is through two spacing installations of bolt to can reciprocate along the bolt through the guide way.

6. A fence post with a locking function as claimed in claim 5, wherein: the back of the lock plate is located between the two guide grooves and is connected with a spring through a countersunk screw, the spring is installed in a spring groove in the lock plate seat, the lower end of the spring is fixedly connected to the countersunk screw, and the upper end of the spring is fixedly connected to the top surface in the spring groove.

7. The utility model provides a rail stand of area shutting function which characterized in that: the device comprises a base and a vertical column body fixedly connected and supported by the base, wherein the vertical column body is of a hollow tubular structure with a hollow inner cavity; three clamping grooves capable of being rotationally clamped and a positioning clamping pin structure are uniformly arranged in the base along the circumferential direction; the lock comprises a vertical column body, a lock box, a lock core, a first pull rope, a limit block, a limit column and a base, wherein the top end of the vertical column body is fixedly provided with the lock box, a lock tongue is arranged in the lock box through the lock core, the lock tongue is connected with the first pull rope, the upper end of the first pull rope is fixedly connected to the lock tongue, the lower end of the first pull rope extends downwards to the bottom end of the vertical column body along the hollow inner cavity of the vertical column body and is connected with the;

the upper part and the lower part of the upright column body are respectively sleeved with an upper connecting sleeve and a lower connecting sleeve, the outer circumferential surfaces of the upper connecting sleeve and the lower connecting sleeve are respectively provided with a pair of connecting plates which extend horizontally, and the fence frame is matched and fixedly connected with the connecting plates; and the positions above and below one of the connecting sleeves on the outer circular surface of the vertical column body are respectively provided with a limiting screw, and the other connecting sleeve can move up and down along the vertical column body.

8. A fence post with a locking function as claimed in claim 7, wherein: limiting screws are respectively arranged at the positions above and below the upper connecting sleeve on the outer circular surface of the vertical column body; the lower connecting sleeve can move up and down along the vertical column body.

9. A fence post with a locking function as claimed in any one of claims 1 to 8, wherein: the base comprises a reverse buckle disc-shaped clamping seat and a clamping cover which is sleeved outside the clamping seat in a matched mode and fixedly connected with a vertical column body at the upper portion, three arc-shaped hole grooves are uniformly distributed in the top surface of the clamping seat along the circle direction, the diameter of one end of each arc-shaped hole groove is larger than that of the other end of each arc-shaped hole groove, and three positioning clamping pins which can be matched with the three arc-shaped hole grooves for limiting are arranged at the bottom of the; the edge of the clamping seat is fixedly arranged on the ground of a working site through three bolts; a dustproof cover is arranged below the clamping seat, and a dustproof boss which is convex upwards and can be matched with and shield the arc-shaped hole groove is arranged on the top surface of the dustproof cover; a guide positioning column extending downwards is arranged on the inner top surface of the clamping seat, the dust cover is matched, positioned and installed through the guide positioning column and can move up and down along the guide positioning column, a pressure spring is arranged below the dust cover, and the bottom end of the pressure spring is pressed on the installation ground; three limiting pin holes are uniformly distributed on the top surface of the clamping seat in the circumferential direction smaller than the diameter of the arc-shaped hole groove, and three limiting columns capable of being matched with the three limiting pin holes for limiting are arranged at the lower end of the limiting block.

10. A fence post with a locking function as claimed in claim 9, wherein: the card cover is characterized in that a starting point mark is arranged at the edge of the card holder between two bolts, the wall part of the lower section of the card cover is in a conical shape matched with the card holder, and a socket mark is arranged at the position, corresponding to the starting point mark, of the outer surface of the lower section of the card cover.

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