CN110043114A - A kind of stealth enclosed type fence - Google Patents
A kind of stealth enclosed type fence Download PDFInfo
- Publication number
- CN110043114A CN110043114A CN201910422867.9A CN201910422867A CN110043114A CN 110043114 A CN110043114 A CN 110043114A CN 201910422867 A CN201910422867 A CN 201910422867A CN 110043114 A CN110043114 A CN 110043114A
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- CN
- China
- Prior art keywords
- guardrail
- main
- enclosed type
- stealth
- type fence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
- E04H17/165—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using panels with rigid filling and frame
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention provides a kind of stealthy enclosed type fences, it is arranged in below the cover board of the porous entrance of substation's high-tension cable tunnel, cable floor or similar spaces structure, it is characterized in that can't see fence before opening cover board, feature with " stealth ", open cover board after it can be seen that folded state fence, keep off at entrance, if fence expansion can not passed in and out, feature with " locking ", comprising: enclosure seat is mounted at porous entrance；First guardrail, is rotatably installed on pedestal；Two the second guardrails, respectively rotatably it is mounted on the left and right ends of the first guardrail, wherein, first guardrail includes the first main guardrail and the first secondary guardrail, first secondary guardrail is movably mounted on the first main guardrail, so that the first guardrail forms retractable structure, the second guardrail includes the second main guardrail and the second secondary guardrail, second secondary guardrail is movably mounted on corresponding second main guardrail, so that the second guardrail forms retractable structure.
Description
Technical field
The present invention relates to safe fence technical fields, and in particular to a kind of stealth enclosed type fence.
Background technique
Because saving the reasons such as space and cost, the high-tension cable tunnels of some structure type substations, cable floor or its
The entrance of his similar spaces structure is not passed in and out by gate-type entrance instead of, is passed in and out by porous entrance.Not
When needing to enter the inside work, entrance is then opened entrance cover board when being worked by cover closure, and
Temporary fence is built at entrance, prevents staff from making a misstep or falling, and safety accident occurs.
However, the temporary fence for meeting regulatory requirements is all very time-consuming and laborious when building and removing, it is most of at present to face
When fence often do not comply with regulatory requirements, it is insecure reliable, lack safety.In addition, being also easy to occur opening exit and entrance lid
Plate but builds the violation phenomenon of temporary fence not around it, causes do not have any safeguard procedures around entrance, causes more
Big security risk.
Summary of the invention
To solve the above problems, present invention employs following technical solutions:
The present invention provides a kind of stealthy enclosed type fence, setting is in substation's high-tension cable tunnel, cable floor or similar
Below the cover board of the porous entrance of space structure, it is characterised in that before opening cover board, can't see fence, so tool
There is the feature of " stealth ", after opening cover board above, so that it may see that the fence of folded state, fence are kept off at " entrance ", such as
Fruit fence open branch on be it is impenetrable, can effectively to around entrance not confining column security risk progress " close
Lock ", so the feature with " locking ", comprising: enclosure seat is mounted at porous entrance；First guardrail, passes through first
Hinge is rotatably installed on pedestal；And two the second guardrails, first is rotatably installed in by second hinge respectively
The left and right ends of guardrail, wherein the first guardrail includes the first main guardrail and the first secondary guardrail, and the first secondary guardrail is along the first guardrail
Short transverse is movably mounted on the first main guardrail, so that the first guardrail forms retractable structure, the second guardrail packet
The second main guardrail and the second secondary guardrail are included, the second secondary guardrail is movably mounted at corresponding along the short transverse of the second guardrail
On second main guardrail, so that the second guardrail forms retractable structure.
The present invention provides a kind of stealthy enclosed type fences, can also have the feature that, wherein the first main guardrail and
The upper end of each second main guardrail is mounted on limit bolt, is equipped at least one on the first secondary guardrail and each second secondary guardrail
A limit bolt hole matched with limit bolt, so that the first guardrail and the second guardrail are completed after stretching, limit bolt can
It is inserted into limit bolt hole, to be carried out to the displacement of the first secondary guardrail and the second secondary guardrail in the short transverse of the first guardrail
Limitation.
The present invention provides a kind of stealthy enclosed type fences, can also have the feature that, further includes: two guardrail branch
Strut, one end of guardrail support rod are rotatably installed in the upper end of corresponding first guardrail, the other end tool of guardrail support rod
There is hook hole, the upper end of the second guardrail is equipped with the hook matched with hook hole, so that hanging when stealthy enclosed type fence expansion
Hook can be linked into hook hole, so that the second guardrail be fixed.
The present invention provides a kind of stealthy enclosed type fences, can also have the feature that, wherein the first main guardrail and
Second main guardrail includes that main guardrail frame and more main guardrail connecting rods, the both ends of every main guardrail connecting rod are installed respectively
In the top and bottom of main guardrail frame.
The present invention provides a kind of stealthy enclosed type fences, can also have the feature that, wherein the first secondary guardrail and
Second secondary guardrail includes secondary guardrail frame and more secondary guardrail connecting rods, the quantity of secondary guardrail connecting rod and main guardrail connecting rod
Quantity it is identical, one end of secondary guardrail connecting rod is installed on secondary guardrail frame, the other end be inserted in corresponding main shield
In column connecting rod.
The present invention provides a kind of stealthy enclosed type fences, can also have the feature that, wherein the first main guardrail and
The lower part of second main guardrail is equipped with foot guard plate.
The present invention provides a kind of stealthy enclosed type fences, can also have the feature that, wherein the height of foot guard plate
More than or equal to 100mm.
The present invention provides a kind of stealthy enclosed type fences, can also have the feature that, wherein the first guardrail it is upper
End is equipped with pull ring.
The present invention provides a kind of stealthy enclosed type fences, can also have the feature that, wherein the first guardrail and the
The width of the width of two guardrails and porous entrance is adapted, and the first guardrail and the second guardrail are in height when retracted mode
It is adapted with the length of porous entrance, height when the first guardrail and the second guardrail are in tensional state, which is all larger than, to be equal to
1050mm。
Invention action and effect
Stealth enclosed type fence according to the present invention, pedestal is mounted at described hole formula entrance, due to the first guardrail
It being rotatably installed on enclosure seat, two the second guardrails are respectively rotatably mounted on the both ends of the first guardrail, so that the
One guardrail and the second guardrail are able to carry out corresponding rotary folding, therefore, stealthy enclosed type fence of the invention expansion or
It is quite convenient to when folding, is laborsaving, entrance can effectively be protected in unfolded state, and kept off in folded state
Entrance is lived, staff can not enter stealthy enclosed type fence expansion of the invention from entrance, can be effective
Ground has fundamentally prevented to open the cover board of entrance and do not have to the security risk on confining column does not carry out " locking " around entrance
There is the violation phenomenon for building fence, eliminate the security risk that staff makes a misstep or falls, can effectively prevent due to people
For the generation of safety accident caused by reason.
It further, can be according to out in unfolded state since the first guardrail and the second guardrail are retractable structure
The size of entrance is to being highly adjusted, and therefore, stealthy enclosed type fence of the invention can meet various in unfolded state
For the entrance of size to the regulatory requirements of protective fence, the safety used is higher, and general expenditure is also wider.
Detailed description of the invention
Fig. 1 (a) and Fig. 1 (b) is the structural schematic diagram of the unfolded state of the stealthy enclosed type fence of the embodiment of the present invention；
Fig. 2 is the structural decomposition diagram of the stealthy enclosed type fence of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the limit bolt of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the folded state of the stealthy enclosed type fence of the embodiment of the present invention；
Fig. 5 is the top view of the folded state of the stealthy enclosed type fence of the embodiment of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Attached drawing is closed to be specifically addressed stealthy enclosed type fence of the invention.
Fig. 1 (a) and Fig. 1 (b) is the structural schematic diagram of the unfolded state of the stealthy enclosed type fence of the embodiment of the present invention, figure
2 be the structural decomposition diagram of the stealthy enclosed type fence of the embodiment of the present invention.
As shown in Fig. 1 (a), Fig. 1 (b) and Fig. 2, the stealthy enclosed type fence 100 in the present embodiment is arranged in substation
Porous entrance at, for preventing staff from making a misstep or falling at porous entrance, including enclosure seat 10,
One the second guardrail 30 of guardrail 20, two, guardrail support rod 40, first axle 50 and second hinge 60.In the present embodiment, hole
Formula entrance is the entrance in 10k high-tension cable tunnel in 66kV substation, which is the square hole of 780mm × 780mm
Hole formula entrance is provided with the ladder for allowing staff to pass in and out high-tension cable tunnel at entrance.In other embodiments, hidden
Shape enclosed type fence 100 also can be set at cable floor entrance or at the porous entrance of other similar space structure.
Enclosure seat 10 is mounted at porous entrance, for installing the first guardrail 20.In the present embodiment, enclosure seat
10 be rectangular aluminum alloy frame, has the flange 101 extended along the vertical direction and horizontal support surface 102 on enclosure seat 10,
Flange 101 is fixedly mounted at porous entrance by setscrew, the height of flange 101 and the first guardrail 20 and the second shield
The thickness on column 30 is adapted, and the first guardrail 20 and the second guardrail 30 are placed in pedestal horizontal support surface 102 after completing to fold.
The outer diameter of enclosure seat 10 and the size of porous entrance are adapted, and are 780mm × 780mm.
First guardrail 20 is rotatably installed on enclosure seat by first axle 50, including the first main 201 He of guardrail
First secondary guardrail 202.In the present embodiment, the quantity of first axle 50 is 2, using self-locking hinge in the prior art, is made
It obtains the first guardrail 20 and is able to maintain the perpendicular with porous entrance in unfolded state.
Two the second guardrails 30 are perpendicular with porous entrance, are rotatably installed in respectively by second hinge 60
The end 203 of the left and right sides of first guardrail 20, and it is perpendicular with the first guardrail 20, including the second main guardrail 301 and second
Secondary guardrail 302.In the present embodiment, the quantity of second hinge 60 is 4, and structure is identical as first axle 50, so that the second guardrail
30 be able to maintain in unfolded state it is perpendicular with the first guardrail 20.
First guardrail 20 and two the second guardrails 30 form a "u"-shaped, and are centered around porous entrance
Around, to form the guardrail entrance for allowing staff to pass in and out, the position of the fence entrance and high-tension cable tunnel
The ladder position in road is corresponding.
One end of guardrail support rod 40 is rotatably installed in the upper end of corresponding first guardrail 20, guardrail support rod 40
The other end has hook hole 401, and the upper end of each second guardrail 30 is equipped with the hook 402 matched with hook hole 401, so that
Hook 402 can be linked into corresponding hook hole 401 when stealthy enclosed type fence 100 is unfolded, to carry out to the second guardrail 30
It is fixed, so that the second guardrail 30 keeps perpendicular without rotating with the first guardrail 20.In the present embodiment, when the first guardrail
20 and second guardrail 30 complete after folding, hook 402 can be similarly linked into corresponding hook hole 401, thus to rugosity
The first guardrail 20 and the second guardrail 30 of state are fixed.
In the present embodiment, the first guardrail 20 is identical with the structure of the second guardrail 30, below to by taking the first guardrail 20 as an example
The structure and working principle of one guardrail 20 and the second guardrail 30 are illustrated.
First guardrail 20 includes the first main guardrail 201 and the first secondary guardrail 202.
First main guardrail 201 includes main guardrail frame 2011 and more main guardrail connecting rods 2012.
Main guardrail frame 2011 is the aluminium alloy box being made of four aluminum alloy square tubes, wherein upper and lower two square tubes are
For installing the first mounting rod 2011a and the second mounting rod 2011b of main guardrail connecting rod 2012, left and right two square tubes are to use
It is hollow aluminum alloy square tube in the first support bar 2011c and second support bar 2011d that install secondary guardrail frame 2021.
One end of every main guardrail connecting rod 2012 is installed in the first mounting rod 2011a, and the other end is installed in second
Mounting rod 2011b.In the present embodiment, main guardrail connecting rod 2012 is hollow tubular aluminium-alloy pipe.
First secondary guardrail 202 includes secondary guardrail frame 2021 and more secondary guardrail connecting rods 2022.
Secondary guardrail frame 2021 is the aluminium alloy box being made of three aluminum alloy square tubes, wherein top square tube be for
The third mounting rod 2021a of secondary guardrail connecting rod 2022 is installed, left and right two square tubes are for being inserted into first support bar 2011c
With the first insertion rod 2021b and the second insertion rod 2021c in second support bar 2011d.
One end of every secondary guardrail connecting rod 2022 is installed on third mounting rod 2021a, and the other end is for being inserted into
To the insertion end in corresponding main guardrail connecting rod 2012.In the present embodiment, secondary guardrail connecting rod 2022 is hollow tubular
Aluminium-alloy pipe, the quantity of secondary guardrail connecting rod 2022 is identical as the quantity of main guardrail connecting rod 2012, secondary guardrail connecting rod 2022
Outer diameter and main guardrail connecting rod 2012 internal diameter be adapted.
The every secondary insertion of guardrail connecting rod 2022 is mounted among corresponding main guardrail connecting rod 2012, forms one
Tube-in-tube structure enables short transverse of the first secondary guardrail 202 on the first main guardrail 201 along the first guardrail 20 to be moved
It is dynamic, so that the first guardrail 20 can be stretched in the short transverse of the first guardrail 20.In other embodiments, can also lead to
It crosses the mounting structures such as sliding rail sliding slot and realizes the flexible of the first guardrail 20.
Fig. 3 is the structural schematic diagram of the limit bolt of the embodiment of the present invention.
As shown in figure 3, the upper end of the first main guardrail 201 is equipped with limit bolt 205, the first secondary guardrail 202 is equipped with extremely
A few limit bolt hole 206 matched with limit bolt 205, so that the first guardrail 20 is completed after stretching, limit bolt 205
It is inserted into limit bolt hole 206, to be carried out to displacement of the first secondary guardrail 202 in the short transverse of the first guardrail 20
Limitation.
The width of first guardrail 20 and the size of porous entrance are adapted, i.e., the size of main guardrail frame 2011 and hole
The size of hole formula entrance is adapted, and is the rectangular aluminum alloy frame of 780mm × 780mm, main guardrail frame 2011 with a thickness of
30mm, the quantity of main guardrail connecting rod 2012 are 5.
The size of secondary guardrail frame 2021 and the size of main guardrail frame 2011 are adapted, the width of secondary guardrail frame 2021
For 780mm, the thickness of secondary guardrail frame 2021 is slightly less than the thickness of main guardrail frame 2011, the quantity of secondary guardrail connecting rod 2022
It is 5.
First insertion rod 2021b, the second insertion rod 2021c and the outer diameter of secondary guardrail connecting rod 2022 respectively with first
Strut 2011c, second support bar 2011d and the internal diameter of main guardrail connecting rod 2012 are adapted, so that the first secondary guardrail
202 are inserted into forming moveable tube-in-tube structure into the first main guardrail 201.
The length of height and porous entrance when first guardrail 20 is in retracted mode is adapted, and is 780mm, and first
Height when guardrail 20 is in tensional state is all larger than equal to 1050mm, is built at the entrance in high-tension cable tunnel to meet
The regulatory requirements of protective fence.
The lower end of first guardrail 20 is also equipped with foot guard plate 204, for preventing staff at work accidentally can be
Foot protrudes into the interval between guardrail connecting rod, causes to make a misstep or fall.
In addition, the upper end of the first guardrail 20 is also equipped with pull ring 207, the pull ring 207 is for allowing staff to pull first
Guardrail 20 is rotated.In the present embodiment, the upper end that pull ring 207 is mounted on the first secondary guardrail 202 is drawn in other embodiments
Ring 207 also may be mounted at the upper end of the first main guardrail 201.
Fig. 4 is the structural schematic diagram of the folded state of the stealthy enclosed type fence of the embodiment of the present invention, and Fig. 5 is of the invention real
Apply the top view of the folded state of the stealthy enclosed type fence of example.
As shown in Fig. 1 (a) and Fig. 1 (b), the stealthy enclosed type fence 100 of the present embodiment is located at hole in unfolded state
Around formula entrance, to prevent staff from making a misstep or falling at porous entrance.As shown in Figure 4 and Figure 5, exist
Staff can fold the stealthy enclosed type fence 100 of the present embodiment after the completion of operation, thus by stealthy enclosed type
Fence 100 is accommodated at porous entrance, is not taken up extra space.
It is said below in conjunction with fold and unfold process of the FIG. 1 to FIG. 5 to the stealthy enclosed type fence 100 of the present embodiment
It is bright.
The folding process of the stealthy enclosed type fence 100 of the present embodiment is specific as follows:
Step S1 opens the limit bolt 205 on the first guardrail 20 and the second guardrail 30, by the first guardrail 20 and the second shield
Column 30 is contracted to retracted mode, and limit bolt 205 is inserted into limit bolt hole 206 again.
Step S2 respectively rotates two the second guardrails 30 towards the direction close to the first guardrail 20, so that two
Second guardrail 30 is each rotated to Chong Die with the first guardrail 20.
Step S3 rotates the direction of the first guardrail 20 and the second guardrail 30 towards enclosure seat 10 after overlapping,
So that on the first guardrail 20 and the rotation to the horizontal support surface 102 of enclosure seat 10 of the second guardrail 30, the first shield after the completion of rotation
The surface on column 20 and the surface flush of enclosure seat 10.
The expansion process of the stealthy enclosed type fence 100 of the present embodiment is specific as follows:
Step T1 pulls pull ring 207 to make the first guardrail 20 and the second guardrail 30 away from the direction of enclosure seat 10
It is rotated, so that the perpendicular of the first guardrail 20 and the rotation of the second guardrail 30 extremely with porous entrance.
Step T2 respectively rotates two the second guardrails 30 away from the direction of the first guardrail 20, so that two
Second guardrail 30 be each rotated to it is perpendicular with the first guardrail 20 so that the first guardrail 20 and the second guardrail 30 form one
"u"-shaped is centered around around porous entrance.
Step T3 opens the limit bolt 205 on the first guardrail 20 and the second guardrail 30, by the first guardrail 20 and the second shield
Column 30 is adjusted to the height for meeting regulatory requirements, and limit bolt 205 is inserted into limit bolt hole 206.
After the stealthy enclosed type fence 100 for opening the present embodiment, staff can also be in the first guardrail 20 and second
Warning tape is hung up at the guardrail entrance that guardrail 30 is surrounded or places warning sign.
Embodiment action and effect
According to the stealthy enclosed type fence of the present embodiment, pedestal is mounted at described hole formula entrance, due to the first shield
Column is rotatably installed on enclosure seat, and two the second guardrails are respectively rotatably mounted on the both ends of the first guardrail, so that
First guardrail and the second guardrail are able to carry out corresponding rotary folding, will enter and leave so as to the cover board as porous entrance
Mouth is latched, and therefore, stealthy enclosed type fence of the invention is quite convenient in expansion or folding, is laborsaving, is being unfolded
Entrance can effectively be protected when state, and block entrance in folded state, staff is not by this reality
The stealthy enclosed type fence expansion for applying example can not enter from entrance, can be effectively to the not peace on confining column around entrance
Full hidden danger carries out " locking ", and violation phenomenon of the cover board for fundamentally having prevented to open entrance without building fence is eliminated
The security risk that staff makes a misstep or falls, can effectively prevent the hair of the safety accident caused by artificial origin
It is raw.
It further, can be according to out in unfolded state since the first guardrail and the second guardrail are retractable structure
The size of entrance is to being highly adjusted, and therefore, stealthy enclosed type fence of the invention can meet various in unfolded state
For the entrance of size to the regulatory requirements of protective fence, the safety used is higher, and general expenditure is also wider.
Since the first main guardrail and the second main guardrail are mounted on limit bolt, on the first secondary guardrail and the second secondary guardrail
Equipped with limit bolt hole, therefore, after staff completes to adjust to the first guardrail and the second guardrail, limit bolt can be inserted
Enter in limit bolt hole, so that the displacement of the secondary guardrail of limitation first and the second secondary guardrail on the length direction of the first guardrail, makes
The stealthy enclosed type fence operation for obtaining the present embodiment is simpler, and structure is more firm.
Since the other end with guardrail support rod has hook hole, hook is installed in the upper end of the second guardrail, in work people
After the stealthy enclosed type fence of the present embodiment is unfolded in member, hook can be linked into hook hole, thus to second
Guardrail is fixed, and so that the second guardrail is kept perpendicular with the first guardrail, therefore, so that the stealthy enclosed type fence of the present embodiment
Structure it is more firm, the second guardrail will not be caused improper because of extraneous factor (such as artificial collision or strong wind weather etc.)
Folding, security performance is stronger.
Since the first main guardrail and the first secondary guardrail and the second main guardrail and the second secondary guardrail are all made of frame structure, because
This reduces system so that the structure of the stealthy enclosed type fence of the present embodiment is more simple under the premise of guaranteeing safety
The difficulty and cost made.
Since the lower part of the first main guardrail and the second main guardrail is equipped with foot guard plate, so that staff is working
Shi Buhui protrudes into foot in the interval between guardrail connecting rod, causes to make a misstep or fall, and more improves safety and practical
Property.
Since the upper end of the first guardrail is equipped with pull ring, it is opened up in the stealthy enclosed type fence to the present embodiment
When opening, staff can more easily control rotate the first guardrail, operate more convenient flexible.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be within the scope of protection determined by the claims.
For example, the second guardrail in above-described embodiment is fixed by second hinge and guardrail support rod, so that second
Guardrail can be vertical with the holding of the first guardrail, can also be in the second guardrail in stealthy enclosed type fence provided by the invention
Lower end installation support pulley, thus further to unfolded state when the second guardrail be supported, and when folding and unfolding
Make staff's operation more convenient easily.
Claims (9)
1. a kind of stealth enclosed type fence, is arranged in the hole of substation's high-tension cable tunnel, cable floor or similar spaces structure
At formula entrance characterized by comprising
Enclosure seat is mounted at described hole formula entrance；
First guardrail is rotatably installed on the pedestal by first axle；And
Two the second guardrails are rotatably installed in the left and right ends of first guardrail by second hinge respectively,
Wherein, first guardrail includes the first main guardrail and the first secondary guardrail,
Described first secondary guardrail is movably mounted on the described first main guardrail along the short transverse of first guardrail, thus
So that first guardrail forms retractable structure,
Second guardrail includes the second main guardrail and the second secondary guardrail,
Described second secondary guardrail is movably mounted at the corresponding second main shield along the short transverse of second guardrail
On column, so that second guardrail forms retractable structure.
2. stealth enclosed type fence according to claim 1, it is characterised in that:
Wherein, the upper end of the described first main guardrail and each second main guardrail is mounted on limit bolt,
It is equipped with what at least one was matched with the limit bolt on described first secondary guardrail and each described second secondary guardrail
Limit bolt hole, so that first guardrail and second guardrail are completed after stretching, the limit bolt is inserted into described
In limit bolt hole, thus to the described first secondary guardrail and the second secondary guardrail in the short transverse of first guardrail
Displacement is limited.
3. stealth enclosed type fence according to claim 1, which is characterized in that further include:
Two guardrail support rods, one end of the guardrail support rod are rotatably installed in the upper of corresponding first guardrail
The other end at end, the guardrail support rod has hook hole,
The upper end of second guardrail is equipped with the hook matched with the hook hole, so that the stealth enclosed type fence exhibition
The hook can be linked into the hook hole when opening, so that second guardrail be fixed.
4. stealth enclosed type fence according to claim 1, it is characterised in that:
Wherein, the described first main guardrail and the second main guardrail include main guardrail frame and more main guardrail connecting rods,
The both ends of the every main guardrail connecting rod are separately mounted to the top and bottom of the main guardrail frame.
5. stealth enclosed type fence according to claim 4, it is characterised in that:
Wherein, the described first secondary guardrail and the second secondary guardrail include secondary guardrail frame and more secondary guardrail connecting rods,
The quantity of the pair guardrail connecting rod is identical as the quantity of the main guardrail connecting rod,
One end of the pair guardrail connecting rod is installed on the secondary guardrail frame, and the other end is for being inserted into corresponding institute
It states in main guardrail connecting rod.
6. stealth enclosed type fence according to claim 1, it is characterised in that:
Wherein, the lower part of the described first main guardrail and the second main guardrail is equipped with foot guard plate.
7. stealth enclosed type fence according to claim 6, it is characterised in that:
Wherein, the height of the foot guard plate is more than or equal to 100mm.
8. stealth enclosed type fence according to claim 1, it is characterised in that:
Wherein, the upper end of first guardrail is equipped with pull ring.
9. stealth enclosed type fence according to claim 1, it is characterised in that:
Wherein, the width of the width of first guardrail and second guardrail and described hole formula entrance is adapted,
First guardrail and second guardrail are in height and the length phase of described hole formula entrance when retracted mode
It adapts to,
Height when first guardrail and second guardrail are in tensional state is all larger than equal to 1050mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422867.9A CN110043114A (en) | 2019-05-21 | 2019-05-21 | A kind of stealth enclosed type fence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422867.9A CN110043114A (en) | 2019-05-21 | 2019-05-21 | A kind of stealth enclosed type fence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043114A true CN110043114A (en) | 2019-07-23 |
Family
ID=67282767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910422867.9A Pending CN110043114A (en) | 2019-05-21 | 2019-05-21 | A kind of stealth enclosed type fence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043114A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117888764A (en) * | 2024-03-14 | 2024-04-16 | 中建五局(烟台)建设工程有限公司 | Foundation pit safety protection device for road |
-
2019
- 2019-05-21 CN CN201910422867.9A patent/CN110043114A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117888764A (en) * | 2024-03-14 | 2024-04-16 | 中建五局(烟台)建设工程有限公司 | Foundation pit safety protection device for road |
| CN117888764B (en) * | 2024-03-14 | 2024-05-10 | 中建五局(烟台)建设工程有限公司 | Foundation pit safety protection device for road |
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