CN105735172B - Municipal road guardrail and construction method thereof - Google Patents
Municipal road guardrail and construction method thereof Download PDFInfo
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- CN105735172B CN105735172B CN201610103978.XA CN201610103978A CN105735172B CN 105735172 B CN105735172 B CN 105735172B CN 201610103978 A CN201610103978 A CN 201610103978A CN 105735172 B CN105735172 B CN 105735172B
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- nail
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- pipe
- hollow pipe
- hole
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0461—Supports, e.g. posts
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0484—Installing; Repairing; Adjusting
Abstract
The invention discloses a municipal road guardrail, which comprises a guardrail and a circular base, wherein the base is provided with mounting holes which are distributed circumferentially; the mounting hole is formed by a reaming hole positioned at the upper part and a through hole positioned at the lower part; the road-crossing-type road-crossing pipeline is characterized in that a pre-buried pipe pre-buried in a road is arranged below the mounting hole, an inner cavity of the pre-buried pipe is divided into an upper cavity and a lower cavity by a step, and a hollow pipe with a flanging at the top is arranged in the pre-buried pipe; the hollow pipe penetrates through the through hole, the flanging is positioned in the expanding hole, a plurality of bead holes penetrating through the inner wall of the hollow pipe are formed in the lower portion of the hollow pipe, and balls are arranged in the bead holes; the distance between the hollow pipe and the inner wall of the lower cavity is smaller than the diameter of the ball. The invention also discloses a construction method of the municipal road guardrail. The invention has the beneficial effects that: when the damaged needs of town road guardrail were changed, all pre-buried pipe, hollow tube, ball, nail all can use repeatedly, also can not have the breach on the road surface, and the road surface need not frequent maintenance.
Description
Technical Field
The invention relates to a municipal road, in particular to a municipal road guardrail.
Background
The municipal road guardrail is arranged on the road to play the roles of isolating and shunting.
One of the existing municipal road guardrails comprises a rail and a base, wherein the rail and the base are arranged on a road to play a separating role, the base is provided with a mounting hole, the mounting mode is that the rail and the base are connected in a mode of driving an expansion screw on a road surface, the municipal road guardrail is generally soft in material, and the rail and the base are generally made of plastics, resins and PVC materials, so that the rail and the base cannot have excessive influence on people and vehicles when being collided; after the urban road guardrail is used for a long time or is collided by a vehicle, the urban road guardrail is damaged, and the urban road guardrail needs to be updated at the moment; the updating mode is to pull out the original expansion screw and to drill the expansion screw again on the other place of the road surface until no place is drilled, so that the road surface needs to be maintained; or nails are nailed at the original expansion screw mounting holes, so that the installation is inconvenient and the damage to the road surface is serious. Because of such problems, there is a need for improvements to existing town road barriers.
Disclosure of Invention
The invention aims to solve the technical defects and provides the municipal road guardrail convenient to replace and maintain.
The invention designs a municipal road guardrail, which comprises a guardrail and a circular base, wherein the base is provided with mounting holes which are distributed circumferentially; the mounting hole is formed by a reaming hole positioned at the upper part and a through hole positioned at the lower part; the road-crossing-type road-crossing pipeline is characterized in that a pre-buried pipe pre-buried in a road is arranged below the mounting hole, an inner cavity of the pre-buried pipe is divided into an upper cavity and a lower cavity by a step, and the inner diameter of the upper cavity is smaller than that of the lower cavity; a hollow pipe with a flanged top is arranged in the embedded pipe; the hollow pipe penetrates through the through hole, the flanging is positioned in the expanding hole, a gap is formed between the hollow pipe and the inner wall of the upper cavity, a plurality of bead holes penetrating through the inner wall of the hollow pipe are formed in the lower part of the hollow pipe, and balls are arranged in the bead holes; the opening on the inner side of the ball hole is smaller than the diameter of the ball, the opening on the outer side of the ball hole is larger than the diameter of the ball, the diameter of the ball is larger than the wall thickness of the hollow pipe, and a nail for tensioning the ball is arranged in the hollow pipe; the nail head of the nail is also positioned in the expanded hole and is positioned above the flanging; after the installation is finished, the ball bearings are tightly jacked between the inner wall of the upper cavity and the nail; when the flanging of the hollow pipe and the nail head of the nail are pressed down continuously, the ball bearing can be positioned in the lower cavity; the distance between the hollow pipe and the inner wall of the lower cavity is smaller than the diameter of the ball.
The invention designs a construction method of the municipal road guardrail, which is characterized by comprising the following steps:
embedding a pre-buried pipe in the road, wherein the position of the pre-buried pipe corresponds to the mounting hole;
arranging the municipal road guardrail on the road to enable the mounting hole to correspond to the position of the embedded pipe;
placing the ball into the ball hole on the inner wall of the hollow pipe, and inserting the hollow pipe into one of the mounting hole and the embedded pipe;
inserting a nail into the hollow tube;
the pressing device is composed of vertical rods, an upper arc-shaped rod, a lower arc-shaped rod, supporting legs, sliding rings and a barrel body, the number of the vertical rods is two, the sliding rings are arranged on each vertical rod, and the upper arc-shaped rod and the lower arc-shaped rod are respectively connected to the tops and the bottoms of the two vertical rods; the two support legs are respectively connected to the left and the right of the bottoms of the two vertical rods, the support legs are positioned on the other side of the lower arc-shaped rod, and the two support legs are in an open shape; the barrel body is connected between the two sliding rings, a cylinder is arranged at the center of the bottom of the barrel body, and a pressure rod is arranged at the center of the bottom of the cylinder; and (3) abutting the lower arc-shaped rod on the base, aligning the pressure lever with the nail head of the nail, moving the barrel body to the top of the vertical rod, releasing the barrel body to enable the barrel body to fall freely, pressing down the nail by using the pressure lever, enabling the ball to be tightly propped between the inner wall of the upper cavity and the nail, completing the installation of the hollow pipe and the nail in the installation hole, and continuously installing the rest installation hole according to the method.
The invention has the beneficial effects that: after the installation is accomplished, railing and base can firmly set up on the road to the installation is comparatively convenient, longer or when damaged when town road guardrail uses, and it is very convenient to dismantle, and all pre-buried pipe, hollow tube, ball, nail all can use repeatedly, also can not have the breach on the road surface, and the road surface need not frequent maintenance.
Drawings
FIG. 1 is a schematic exterior view of a town road guardrail according to example 1;
FIG. 2 is a schematic view of the construction of a town road guardrail according to embodiment 1;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the hollow tube and nail of example 1 when not installed;
FIG. 5 is a schematic view of the bead well of example 1;
FIG. 6 is a schematic view showing the structure of a hollow tube in example 2;
FIG. 7 is a schematic view of the structure of a pressing apparatus used in embodiment 3;
FIG. 8 is a schematic view of the structure of a pressing apparatus used in embodiment 4;
in the figure: railing 1, base 2, mounting hole 3, embedded pipe 4, upper chamber 5, lower chamber 6, turn-ups 7, hollow tube 8, pearl hole 9, road 10, ball 11, nail 12, reaming 131, perforation 132, pin head 14, step 15, opening 16, closing device 17, montant 18, go up arc 19, lower arc 20, stabilizer blade 21, sliding ring 22, go up the slip ring 221, glide ring 222, staving 23, cylinder 24, depression bar 25, tooth 26.
Detailed Description
The invention is further described by way of example with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, 2 and 3, the town road guardrail described in this embodiment includes a rail 1 and a circular base 2, and the base 2 is provided with mounting holes 3 distributed circumferentially; the mounting hole 3 is composed of a counterbore 131 at the upper part and a through hole 132 at the lower part; the road is characterized in that an embedded pipe 4 embedded in a road 10 is arranged below the mounting hole 3, as shown in fig. 4 and 5, the inner cavity of the embedded pipe 4 is divided into an upper cavity 5 and a lower cavity 6 by a step 15, and the inner diameter of the upper cavity 5 is smaller than that of the lower cavity 6; a hollow pipe 8 with a turned-over edge 7 at the top is arranged in the embedded pipe 4; the hollow pipe 8 penetrates through the through hole 132, the flange 7 is positioned in the counterbore 131, a gap is formed between the hollow pipe 8 and the inner wall of the upper cavity 5, the gap is generally 2-3 mm, a plurality of bead holes 9 penetrating through the inner wall of the hollow pipe 8 are formed in the lower part of the hollow pipe 8, the number of the bead holes 9 can be two, or three or four, and the bead holes 9 are internally provided with beads 11; the opening on the inner side of the ball hole 9 is smaller than the diameter of the ball 11, so that the ball 11 cannot fall inwards, the opening 16 on the outer side of the ball hole 9 is larger than the diameter of the ball 11, the diameter of the ball 11 is larger than the wall thickness of the hollow tube 8, the ball 11 can move left and right in the ball hole 9 and can be ejected outwards when being pressed by the nail 12, and the nail 12 for tensioning the ball 11 is arranged in the hollow tube 8; the head 14 of the nail 12 is also located within the counterbore 131 and the head 14 is located above the flange 7; after the installation is finished, the ball 11 is tightly pressed between the inner wall of the upper cavity 5 and the nail 12; when the flanging 7 of the hollow pipe 8 and the nail head 14 of the nail 12 are pressed down continuously, the ball bearing 11 can be positioned in the lower cavity 6; the distance between the hollow tube 8 and the inner wall of the lower cavity 6 is smaller than the diameter of the ball 11.
The construction method of the municipal road guardrail is characterized by comprising the following steps:
embedding an embedded pipe 4 in the road 10, wherein the position of the embedded pipe 4 corresponds to the mounting hole 3;
arranging the municipal road guardrail on the road 10 to enable the mounting hole 3 to correspond to the position of the embedded pipe 4;
putting a ball 11 into a ball hole 9 on the inner wall of the hollow pipe 8, and inserting the hollow pipe 8 into one of the mounting holes 3 and the embedded pipe 4;
inserting a nail 12 into the hollow tube 8;
the nail head 14 is knocked by a big hammer, the head width of the big hammer is larger than the aperture of the enlarged hole 131, the nail head 14 is pressed downwards, the top surface of the nail head 14 is made to be level with the top surface of the base 2, the turned edge 7 is pressed by the nail head 14 at the moment, the ball 11 is pushed outwards by the nail 12, the ball 11 is pushed between the inner wall of the upper cavity 5 and the nail 12, the hollow pipe 8 and the nail 12 in the mounting hole 3 are mounted, and the rest mounting hole 3 is mounted continuously according to the method.
This arrangement ensures that the nail 12 is moved too far down and is mishandled because the hammer head width is greater than the diameter of the counterbore 131 and the hammer head 14 can no longer be driven further down.
The method for disassembling the municipal road guardrail adopts the method that the nail head 14 is knocked by a small hammer, the small hammer is a hammer with the head smaller than the pore diameter of the expanded hole 131, when the nail head 14 is knocked, the nail head 14 is stressed to press the flanging 7 of the hollow tube 8 below the nail head, the flanging 7 presses the base 2 below the flanging 7, and the part of the base 2 below the flanging 7 can be flattened or crushed and damaged (because the handrail and the base are generally made of plastics, PVC, resin and the like, the material is soft on one hand, and because the using time is long and aging is long, under the action of the repeated pressure, the part of the base 2 below the flanging 7 can be flattened or crushed and damaged), so that the position of the hollow tube 8 is further lowered, the ball 11 is positioned in the lower cavity 6, the ball 11 is easy to be free, the nail 12 can not be pressed, the nail 12 can be pulled out, and after the nail 12 is pulled out, the hollow tube 8 can also be pulled out and the balls 11 are removed with the hollow tube 8, in this way all the hollow tube 8 and the nails 12 are removed and replaced with new ones.
The invention has the beneficial effects that: after the installation is accomplished, railing and base can firmly set up on the road to the installation is comparatively convenient, longer or when damaged when town road guardrail uses, and it is very convenient to dismantle, and all pre-buried pipe, hollow tube, ball, nail all can use repeatedly, also can not have the breach on the road surface, and the road surface need not frequent maintenance.
In this embodiment, the step face of step 15 is the cambered surface or inclined plane best, and during the dismantlement, when upwards extracting hollow tube 8, ball 11 can more steadily pass through the step face, makes ball 11 can pull back better to extracting along with hollow tube 8 in the pearl hole 9, and it is more convenient to dismantle.
Example 2:
as shown in fig. 6, the present embodiment describes a town road fence, which is different from embodiment 1 in that: the teeth 26 are arranged on the bottom surface of the flange 7, and due to the teeth 26, the flange 7 is stressed during disassembly, and the base part below the flange 7 is more easily crushed and is easy to disassemble.
Example 3
The invention designs another construction method of a municipal road guardrail, which is characterized by comprising the following steps:
embedding an embedded pipe 4 in the road 10, wherein the position of the embedded pipe 4 corresponds to the mounting hole 3;
arranging the municipal road guardrail on the road 10 to enable the mounting hole 3 to correspond to the position of the embedded pipe 4;
putting a ball 11 into a ball hole 9 on the inner wall of the hollow pipe 8, and inserting the hollow pipe 8 into one of the mounting holes 3 and the embedded pipe 4;
inserting a nail 12 into the hollow tube 8;
a pressing device 17 is adopted, as shown in fig. 7, the pressing device 17 is composed of a vertical rod 18, an upper arc rod 19, a lower arc rod 20, a supporting leg 21, a slip ring 22 and a barrel body 23, the number of the vertical rods 18 is two, the slip ring 22 is arranged on each vertical rod 18, and the upper arc rod 19 and the lower arc rod 20 are respectively connected to the top and the bottom of the two vertical rods 18; the supporting legs 21 are respectively connected to the left and the right of the bottoms of the two vertical bars 18, the supporting legs 21 are positioned on the other sides of the lower arc-shaped bars 20, and the two supporting legs 21 are opened (so that the supporting legs are easier to place); the barrel body 23 is connected between the two sliding rings 22, a cylinder 24 is arranged at the center of the bottom of the barrel body 23, and a pressure rod 25 is arranged at the center of the bottom of the cylinder 24; the lower arc-shaped rod 20 is leaned on the base 2, the pressure rod 25 is aligned with the nail head 14 of the nail 12, the barrel 23 is moved to the top of the vertical rod 18 and is released to fall freely, the nail 12 is pressed down by the pressure rod 25, the ball 11 is tightly pressed between the inner wall of the upper cavity 5 and the nail 12, the hollow pipe 8 and the nail 12 in the mounting hole 3 are installed, and the rest mounting hole 3 is installed continuously according to the method.
In the embodiment, the pressing device 17 is adopted, the nail 12 is knocked by utilizing the self gravity during installation, when the nail is detached, a heavy object is filled in the barrel body 23, the barrel body 23 is moved to the top of the vertical rod 18 and is released to enable the nail to fall freely, the pressure on the nail head 14 is increased due to the increase of the gravity, the base part below the flanging 7 is crushed or flattened, the position of the hollow tube 8 is further lowered, the ball 11 is located in the lower cavity 6, the ball 11 is free at the moment, the nail 12 cannot be pressed, the nail 12 can be pulled out, after the nail 12 is pulled out, the hollow tube 8 can be pulled out, the ball 11 is taken out along with the hollow tube 8, and all the hollow tubes 8 and the nail 12 are taken out by adopting the mode and then replaced with new ones.
The weight adopts a code, and only the base part below the flanging 7 can be crushed or flattened after the test.
In this way, the empty tub is not sufficient to crush or flatten the base portion below the flange 7, either by tapping, only after loading, since the two states are used for mounting and dismounting, respectively.
The construction method of the embodiment can be used for constructing the municipal road guardrail of the embodiment 1 or 2.
The pressing device 17 can stand stably when the pressing device is vertically placed, and the lower arc-shaped rod 20 can be attached to the round base 2, so that the pressing device is easier to align when the pressing device is knocked.
Example 4
The invention designs a construction method of a municipal road guardrail, which is characterized by comprising the following steps:
embedding an embedded pipe 4 in the road 10, wherein the position of the embedded pipe 4 corresponds to the mounting hole 3;
arranging the municipal road guardrail on the road 10 to enable the mounting hole 3 to correspond to the position of the embedded pipe 4;
putting a ball 11 into a ball hole 9 on the inner wall of the hollow pipe 8, and inserting the hollow pipe 8 into one of the mounting holes 3 and the embedded pipe 4;
inserting a nail 12 into the hollow tube 8;
a pressing device 17 is adopted, as shown in fig. 8, the pressing device 17 is composed of a vertical rod 18, an upper arc rod 19, a lower arc rod 20, a supporting leg 21, two sliding rings 22, a barrel 23 and a press cake, the vertical rod 18 is divided into a left vertical rod and a right vertical rod, each vertical rod 18 is provided with two sliding rings 22, the two sliding rings 22 are an upper sliding ring 221 and a lower sliding ring 222, and the upper arc rod 19 and the lower arc rod 20 are respectively connected to the top and the bottom of the two vertical rods 18; the supporting legs 21 are respectively connected to the left and the right of the bottoms of the two vertical bars 18, the supporting legs 21 are positioned on the other sides of the lower arc-shaped bars 20, and the two supporting legs 21 are in an open shape; the barrel body 23 is connected between the two upper sliding rings 221, the press cake is connected between the two lower sliding rings 222, a column body 24 is arranged at the center of the bottom of the press cake, and a press rod 25 is arranged at the center of the bottom of the column body 24; the lower arc-shaped rod 20 is leaned against the base 2, the pressure lever 25 is aligned with the nail head 14 of the nail 12, the press cake is put down, the pressure lever 25 is placed on the nail head 14, the barrel body 23 is moved to the top of the vertical rod 18 and is free to fall, the barrel body 23 impacts the press cake, the press cake drives the pressure lever 25 to press down, the nail 12 is pressed down by the pressure lever 25, the ball 11 is tightly propped between the inner wall of the upper cavity 5 and the nail 12, the hollow pipe 8 and the nail 12 in the mounting hole 3 are mounted, and the rest mounting hole 3 is mounted continuously according to the method.
When the barrel body 23 is disassembled, a heavy object is filled in the barrel body 23, the barrel body 23 is moved to the top of the vertical rod 18 and is released to enable the vertical rod to fall freely, the pressure on the nail head 14 is large due to the increase of gravity, the base part below the flanging 7 is crushed or flattened, the position of the hollow tube 8 is further lowered, the ball 11 is located in the lower cavity 6, the ball 11 is free, the nail 12 cannot be pressed, the nail 12 can be pulled out, the hollow tube 8 can be pulled out after the nail 12 is pulled out, the ball 11 is taken out along with the hollow tube 8, all the hollow tubes 8 and the nail 12 are taken out in the mode, and then the hollow tubes 8 and the nail 12 are replaced with new ones.
The weight adopts a code, and only the base part below the flanging 7 can be crushed or flattened after the test.
In this way, the empty tub is not sufficient to crush or flatten the base portion below the flange 7, regardless of the tap, only after a load is applied, since the two states are used for mounting and dismounting, respectively, the mounting and dismounting are more secure. In addition, the pressing device 17 can put the pressing rod 25 on the nail head 14 in advance, so that the knocking is more accurate than that of the embodiment 3.
The construction method of the embodiment can be used for constructing the municipal road guardrail of the embodiment 1 or 2.
The above-described embodiments are merely illustrative of the concept of the present invention, and it is obvious that the scope of protection of the patent is not limited to the above-described embodiments.
Various equivalent modifications or additions to the above-described embodiments, which may occur to persons skilled in the art, are intended to be covered by the present patent.
Claims (2)
1. A municipal road guardrail comprises a guardrail body (1) and a circular base (2), wherein mounting holes (3) are formed in the base (2) in a circumferential distribution manner; the mounting hole (3) is composed of a reaming hole (131) positioned at the upper part and a through hole (132) positioned at the lower part; the road-crossing-type embedded pipeline is characterized in that a pre-embedded pipe (4) embedded in a road (10) is arranged below the mounting hole (3), an inner cavity of the pre-embedded pipe (4) is divided into an upper cavity (5) and a lower cavity (6) by a step (15), and the inner diameter of the upper cavity (5) is smaller than that of the lower cavity (6); a hollow pipe (8) with a turned-over edge (7) at the top is arranged in the embedded pipe (4); the hollow pipe (8) penetrates through the through hole (132), the flanging (7) is positioned in the reaming hole (131), a gap is reserved between the hollow pipe (8) and the inner wall of the upper cavity (5), a plurality of bead holes (9) penetrating through the inner wall of the hollow pipe (8) are formed in the lower portion of the hollow pipe (8), and balls (11) are arranged in the bead holes (9); the opening on the inner side of the ball hole (9) is smaller than the diameter of the ball (11), the opening (16) on the outer side of the ball hole (9) is larger than the diameter of the ball (11), the diameter of the ball (11) is larger than the wall thickness of the hollow pipe (8), and a nail (12) used for tensioning the ball (11) is arranged in the hollow pipe (8); the nail head (14) of the nail (12) is also positioned in the counterboring (131) and the nail head (14) is positioned above the flanging (7); after the installation is finished, the ball (11) is tightly pressed between the inner wall of the upper cavity (5) and the nail (12); when the hollow pipe is disassembled, when the flanging (7) of the hollow pipe (8) and the nail head (14) of the nail (12) are pressed downwards continuously, the base part below the flanging (7) is crushed or flattened, and the ball (11) is positioned in the lower cavity (6); the distance between the hollow pipe (8) and the inner wall of the lower cavity (6) is smaller than the diameter of the ball (11).
2. A method of constructing a municipal road guardrail according to claim 1, comprising the steps of:
a pre-buried pipe (4) is buried in the road (10), and the position of the pre-buried pipe (4) corresponds to the mounting hole (3);
arranging the municipal road guardrail on the road (10) to enable the mounting hole (3) to correspond to the position of the embedded pipe (4);
putting the ball (11) into the ball hole (9) on the inner wall of the hollow pipe (8), and inserting the hollow pipe (8) into one of the mounting hole (3) and the embedded pipe (4);
inserting the nail (12) into the hollow tube (8);
the pressing device (17) is adopted, the pressing device (17) is composed of vertical rods (18), upper arc-shaped rods (19), lower arc-shaped rods (20), supporting legs (21), sliding rings (22) and a barrel body (23), the number of the vertical rods (18) is two, the number of the vertical rods is two, the sliding ring (22) is arranged on each vertical rod (18), and the upper arc-shaped rods (19) and the lower arc-shaped rods (20) are respectively connected to the tops and the bottoms of the two vertical rods (18); the supporting legs (21) are respectively connected to the left and the right of the bottoms of the two vertical rods (18), the supporting legs (21) are positioned on the other side of the lower arc-shaped rod (20), and the two supporting legs (21) are in an open shape; the barrel body (23) is connected between the two sliding rings (22), a cylinder body (24) is arranged at the center of the bottom of the barrel body (23), and a pressure rod (25) is arranged at the center of the bottom of the cylinder body (24); the lower arc-shaped rod (20) is leaned against the base (2), the pressure lever (25) is aligned with the nail head (14) of the nail (12), the barrel body (23) is moved to the top of the vertical rod (18) and is released to enable the barrel body to fall freely, the nail (12) is pressed down by the pressure lever (25), the ball (11) is pressed tightly between the inner wall of the upper cavity (5) and the nail (12), the hollow pipe (8) and the nail (12) in the mounting hole (3) are mounted completely, and the rest mounting hole (3) is mounted continuously according to the method;
when the novel nail puller is disassembled, a heavy object is filled in the barrel body (23), the barrel body (23) is moved to the top of the vertical rod (18) and is released to enable the vertical rod to fall freely, the pressure on the nail head (14) is large due to the fact that gravity is increased, the base part below the flanging (7) is crushed or flattened, the position of the hollow tube (8) is further lowered, the ball (11) is located in the lower cavity (6), the ball (11) is free, the nail (12) cannot be pressed, the nail (12) can be pulled out, the hollow tube (8) can be pulled out after the nail (12) is pulled out, the ball (11) is taken out along with the hollow tube (8), and all the hollow tube (8) and the nail (12) are taken out in the mode and then replaced.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910960957.3A CN110670514B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
| CN201610103978.XA CN105735172B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103978.XA CN105735172B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910960957.3A Division CN110670514B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
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| Publication Number | Publication Date |
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| CN105735172A CN105735172A (en) | 2016-07-06 |
| CN105735172B true CN105735172B (en) | 2020-01-24 |
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| CN201910960957.3A Active CN110670514B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
| CN201610103978.XA Active CN105735172B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
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| CN201910960957.3A Active CN110670514B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
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| CN112533401B (en) * | 2019-09-17 | 2023-04-28 | 台达电子工业股份有限公司 | Anti-dismantling device |
| CN112227262A (en) * | 2020-09-30 | 2021-01-15 | 江苏杨园生态环保有限公司 | Fixing device for municipal road guardrail and mounting method thereof |
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| KR101069445B1 (en) * | 2009-07-27 | 2011-09-30 | 주식회사 아이.티.피 | a protective wall |
| KR20110066517A (en) * | 2009-12-11 | 2011-06-17 | 안판상 | A base block for fixing road facility and construction method of road facility |
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| CN203213687U (en) * | 2013-04-23 | 2013-09-25 | 中建七局第二建筑有限公司 | Flagpole connection structure |
| JP2015190280A (en) * | 2014-03-29 | 2015-11-02 | 積水樹脂株式会社 | Column holder |
| CN204829061U (en) * | 2015-06-09 | 2015-12-02 | 新奥气化采煤有限公司 | High -speed joint connects |
| CN204849653U (en) * | 2015-08-26 | 2015-12-09 | 济宁市金蓝领教育咨询有限公司 | Celebration is with plastics guardrail of aggregate erection of being convenient for |
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2016
- 2016-02-25 CN CN201910960957.3A patent/CN110670514B/en active Active
- 2016-02-25 CN CN201610103978.XA patent/CN105735172B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110670514B (en) | 2021-06-25 |
| CN110670514A (en) | 2020-01-10 |
| CN105735172A (en) | 2016-07-06 |
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