CN211645983U

CN211645983U - High-strength thinning fastening device for bridge guardrail

Info

Publication number: CN211645983U
Application number: CN201921341047.9U
Authority: CN
Inventors: 王宇
Original assignee: Shen Xingzhi
Current assignee: Shen Xingzhi
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-10-09
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a bridge railing attenuate fastener that excels in, including concrete road surface, screw and spring, one side of concrete road surface is provided with the base, one side that the concrete road surface was kept away from to the base is provided with the screw, the screw runs through in the inside of base to concrete road surface, one side that the base was kept away from to the screw is provided with the fixture block, wherein, the fixture block is close to one side of screw and has seted up the draw-in groove. This bridge railing attenuate fastener that excels in is provided with fixture block and draw-in groove, the external dimension at screw top is identical with the internal dimension of draw-in groove, and the top and the draw-in groove of screw constitute the block structure, be convenient for fix the fixture block on the screw, simultaneously through the fixture block of changing the draw-in groove of offering not unidimensional, so that adapt to the screw of not unidimensional size, bridge railing attenuate fastener that excels in's limitation has been reduced, be convenient for save the material and the time of resetting the installation piece, work efficiency has been increased.

Description

High-strength thinning fastening device for bridge guardrail

Technical Field

The utility model relates to a bridge construction technical field specifically is a bridge railing attenuate fastener that excels in.

Background

Bridge railing is the guardrail that sets up on the bridge, and its purpose has the function that makes the vehicle can not break through, wear down, cross the bridge and beautify the bridge building outside in order to prevent that out of control vehicle from crossing the bridge, and bridge railing when the installation, needs to use a bridge railing attenuate fastener that excels in.

Although the type and the number of the existing high-strength thinning fastening devices for the bridge guardrail are very large, the existing high-strength thinning fastening devices for the bridge guardrail still have certain problems, and certain inconvenience is brought to the use of the high-strength thinning fastening devices for the bridge guardrail.

But most bridge railing attenuate fastener that excels in when using, mostly through spanner a lot of with thin screw tightening, the top of screw is thin difficult the tightening excessively, and the screw that can wear and tear many times of tightening, waste time and energy, influence the use, the screw top that exposes outside simultaneously is easy to be corroded, reduce the life of screw, this to a great extent restriction bridge railing attenuate fastener that excels in's application range, consequently urgent need can improve the technique of bridge railing attenuate fastener structure that excels in, perfect this equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge railing attenuate fastener that excels in to solve the present bridge railing attenuate fastener that excels in that the above-mentioned background art provided when using, mostly through the spanner a lot of with thin screw tightening, the top of screw is too thin difficult to tighten, and tighten many times can the wearing and tearing screw, wastes time and energy, influences the use, exposes the easy corruption in the screw top outside simultaneously, reduces the life's of screw problem.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength thinning fastening device for a bridge guardrail comprises a concrete pavement, screws and springs, wherein a base is arranged on one side of the concrete pavement, the screws are arranged on one side, away from the concrete pavement, of the base, the screws penetrate through the base to the inside of the concrete pavement, clamping blocks are arranged on one side, away from the base, of the screws, the clamping blocks are arranged on one side, away from the base,

a clamping groove is formed in one side, close to the screw, of the clamping block, a mandril is fixed to one side, away from the screw, of the clamping block, an installation block is arranged on one side, away from the clamping block, of the mandril, and a mandril groove is formed in one side, close to the mandril, of the installation block;

the fixing groove has been seted up to the both sides of ejector pin, the installation piece has been close to one side inner wall in fixed groove and has been seted up the fixed rod groove, the inside in fixed rod groove is provided with the dead lever, the spring pocket has been seted up to one side that the installation piece is close to the fixed rod groove, the spring is fixed in the inside in spring pocket, one side that the base was kept away from to the screw is provided with the protective sheath.

Preferably, the external dimension of the top of the screw is matched with the internal dimension of the clamping groove, and the top of the screw and the clamping groove form a clamping structure.

Preferably, the ejector rod is a rectangular cylinder, the ejector rod groove is formed in the middle of one side of the mounting block, and the external size of the ejector rod is matched with the internal size of the ejector rod groove.

Preferably, the fixing rod and the mounting block form an elastic structure through a spring, one side of the fixing rod close to the fixing groove is hemispherical, and the external dimension of one side of the fixing rod close to the fixing groove is matched with the internal dimension of the fixing groove.

Preferably, the inner dimension of the protective sleeve is larger than the outer dimension of the top of the screw, the protective sleeve is connected to one side, close to the screw, of the base through a threaded structure, and the protective sleeve is made of polyethylene.

Compared with the prior art, the beneficial effects of the utility model are that: this bridge railing attenuate fastener that excels in:

1. the clamping block and the clamping groove are arranged, the external size of the top of the screw is matched with the internal size of the clamping groove, the top of the screw and the clamping groove form a clamping structure, the clamping block is convenient to fix on the screw, meanwhile, the clamping blocks with the clamping grooves of different sizes are replaced, so that the screw is suitable for screws of different sizes, the limitation of the high-strength thinning and fastening device of the bridge guardrail is reduced, the material and time for resetting the mounting block are convenient to save, and the working efficiency is increased;

2. when the push rod fixed on the fixture block is moved to the push rod groove, the fixed rod is pressed into the fixed rod groove by the force given by the push rod, and when the fixed rod and the fixed groove are positioned at the same horizontal plane, the fixed rod is bounced into the fixed groove through an elastic structure formed by the spring and the mounting block, so that the push rod is conveniently fixed into the mounting block, the operation is simple, and the time for replacing the fixture block is conveniently saved;

3. be provided with the protective sheath, after the screw is screwed up, pass through the helicitic texture with the protective sheath and connect the one side that the base is close to the screw, the inside dimension of protective sheath is greater than the outside dimension at screw top, be convenient for play the effect of protection to the screw top that exposes outside, and the material of protective sheath is the polyethylene protective sheath, polyethylene is a thermoplastic resin that ethylene made through polymerization, and the wearability is good, has good corrosion resistance, avoid exposing the long-time use of screw outside to take place to corrode, influence the life of screw.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the protective sheath of the present invention;

fig. 3 is a schematic view of a partially enlarged structure at a position a in the present invention 1.

In the figure: 1. concrete pavement; 2. a base; 3. a screw; 4. a clamping block; 5. a card slot; 6. a top rod; 7. mounting blocks; 8. a jack rod groove; 9. fixing grooves; 10. a fixed rod slot; 11. fixing the rod; 12. a spring slot; 13. a spring; 14. and (6) a protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-strength thinning fastening device for a bridge guardrail comprises a concrete pavement 1, a base 2, screws 3, clamping blocks 4, clamping grooves 5, ejector rods 6, an installation block 7, an ejector rod groove 8, a fixing groove 9, a fixing rod groove 10, a fixing rod 11, a spring groove 12, springs 13 and a protective sleeve 14, wherein the base 2 is arranged on one side of the concrete pavement 1, the screws 3 are arranged on one side, away from the concrete pavement 1, of the base 2, the external size of the top of each screw 3 is identical to the internal size of the corresponding clamping groove 5, the top of each screw 3 and the corresponding clamping groove 5 form a clamping structure, the clamping blocks 4 are moved to the tops of the screws 3, the clamping blocks 4 and the clamping grooves 5 form a clamping structure through the tops of the screws 3, the clamping blocks 4 are conveniently fixed on the screws 3, meanwhile, the clamping blocks 4 provided with the clamping grooves 5 of different sizes are replaced, so that the high-strength thinning fastening device is suitable for, the screw 3 penetrates through the base 2 to the interior of the concrete pavement 1, one side of the screw 3, which is far away from the base 2, is provided with a clamping block 4, wherein,

one side of the clamping block 4 close to the screw 3 is provided with a clamping groove 5, one side of the clamping block 4 far away from the screw 3 is fixed with a mandril 6, the mandril 6 is a rectangular cylinder, the mandril groove 8 is arranged in the middle of one side of the mounting block 7, the external dimension of the mandril 6 is matched with the internal dimension of the mandril groove 8, when the mandril 6 moves into the mandril groove 8, the fixed rod 11 and the mounting block 7 form an elastic structure through a spring 13 and are bounced into the fixed groove 9, the mounting block 7 is rotated by a wrench, the mandril 6 is a rectangular cylinder, the external dimension of the mandril 6 is matched with the internal dimension of the mandril groove 8, the mounting block 7 is prevented from driving the mandril 6 to rotate together when rotating, the mandril groove 8 is arranged in the middle of one side of the mounting block 7, the mandril 6 can be stably fixed in the mandril groove 8 when the mounting block 7 is rotated, the skewing is avoided, one, a mandril groove 8 is formed in one side of the mounting block 7, which is close to the mandril 6;

fixing grooves 9 are formed in two sides of the ejector rod 6, a fixing rod groove 10 is formed in the inner wall of one side, close to the fixing groove 9, of the mounting block 7, a fixing rod 11 is arranged inside the fixing rod groove 10, the fixing rod 11 and the mounting block 7 form an elastic structure through a spring 13, one side, close to the fixing groove 9, of the fixing rod 11 is hemispherical, the external size of one side, close to the fixing groove 9, of the fixing rod 11 is identical to the internal size of the fixing groove 9, when the ejector rod 6 fixed on the fixture block 4 is moved to the ejector rod groove 8, the fixing rod 11 is pressed into the fixing rod groove 10 under the force given by the ejector rod 6, when the fixing rod 11 and the fixing groove 9 are located at the same horizontal plane, the fixing rod 11 and the mounting block 7 form the elastic structure through the spring 13 and are ejected into the fixing groove 9, the ejector rod 6 is conveniently fixed inside the mounting block 7, and one side of the fixed rod 11 close to the fixed groove 9 is hemispherical, so that the condition that the ejector rod 6 cannot be fixed in the ejector rod groove 8 due to the fact that an external force factor is removed and the ejector rod can be easily moved out of the mounting block 7 is avoided, one side of the mounting block 7 close to the fixed rod groove 10 is provided with the spring groove 12, the spring 13 is fixed in the spring groove 12, one side of the screw 3 far away from the base 2 is provided with the protective sleeve 14, the inner size of the protective sleeve 14 is larger than the outer size of the top of the screw 3, the protective sleeve 14 is connected to one side of the base 2 close to the screw 3 through a thread structure, the protective sleeve 14 is made of polyethylene protective sleeve, after the screw 3 is screwed down, the protective sleeve 14 is connected to one side of the base 2 close to the screw 3 through a thread structure, the inner size of the protective sleeve 14 is larger than the outer, the protective sleeve 14 is made of polyethylene protective sleeve, the polyethylene is thermoplastic resin prepared by polymerizing ethylene, the wear resistance is good, the corrosion resistance is good, and the problem that the service life of the screw 3 is influenced due to corrosion of the exposed screw 3 after long-time use is avoided.

The working principle is as follows: when the high-strength thinning fastening device for the bridge guardrail is used, firstly, the size of a screw 3 is measured, then a clamping block 4 provided with a clamping groove 5 with the same size is selected, the size of the clamping groove 5 can be set through screws 3 with different sizes, a mandril 6 is fixed on one side, far away from the screw 3, of the clamping block 4, when the mandril 6 fixed on the clamping block 4 is moved to a mandril groove 8 after being selected, a fixed rod 11 is pressed into the fixed rod groove 10 under the force given by the mandril 6, when the fixed rod 11 and the fixed groove 9 are positioned at the same horizontal plane, the fixed rod 11 is bounced into the fixed groove 9 through an elastic structure formed by a spring 13 and an installation block 7, the mandril 6 is conveniently fixed in the installation block 7, and one side, close to the fixed groove 9, of the fixed rod 11 is hemispherical, so that the mandril 6 cannot be fixed in the mandril groove 8 due to the, then, the mounting block 7 is rotated by a wrench, the ejector rod 6 is a rectangular cylinder, the external dimension of the ejector rod 6 is matched with the internal dimension of the ejector rod groove 8, the mounting block 7 is prevented from driving the ejector rod 6 to rotate together when rotating, the ejector rod groove 8 is arranged in the middle of one side of the mounting block 7, the ejector rod 6 can be stably fixed in the ejector rod groove 8 when the mounting block 7 is rotated, the deviation is avoided, then the fixture block 4 is moved to the top of the screw 3, the fixture block 4 forms a clamping structure with the clamping groove 5 through the top of the screw 3, the fixture block 4 is conveniently fixed on the screw 3, meanwhile, the fixture block 4 provided with the clamping grooves 5 with different dimensions is replaced to adapt to the screws 3 with different dimensions, after the screw 3 is screwed, the protective sleeve 14 is sleeved, the internal dimension of the protective sleeve 14 is larger than the external dimension of the top of the screw 3, and the top of the screw 3 exposed, the material of the protective sleeve 14 is a polyethylene protective sleeve, the polyethylene is a thermoplastic resin prepared by polymerizing ethylene, the wear resistance is good, the corrosion resistance is good, and the problem that the service life of the screw 3 is affected due to corrosion of the exposed screw 3 after long-time use is avoided.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a bridge railing attenuate fastener that excels in, includes concrete road surface (1), screw (3) and spring (13), its characterized in that: a base (2) is arranged on one side of the concrete pavement (1), a screw (3) is arranged on one side of the base (2) far away from the concrete pavement (1), the screw (3) penetrates through the base (2) to the interior of the concrete pavement (1), a clamping block (4) is arranged on one side of the screw (3) far away from the base (2), wherein,

a clamping groove (5) is formed in one side, close to the screw (3), of the clamping block (4), an ejector rod (6) is fixed to one side, far away from the screw (3), of the clamping block (4), an installation block (7) is arranged on one side, far away from the clamping block (4), of the ejector rod (6), and an ejector rod groove (8) is formed in one side, close to the ejector rod (6), of the installation block (7);

fixed slot (9) have been seted up to the both sides of ejector pin (6), one side inner wall that installation piece (7) are close to fixed slot (9) has been seted up fixed rod groove (10), the inside in fixed rod groove (10) is provided with dead lever (11), spring groove (12) have been seted up to one side that installation piece (7) are close to fixed rod groove (10), the inside at spring groove (12) is fixed in spring (13), one side that base (2) were kept away from in screw (3) is provided with protective sheath (14).

2. The high-strength thinning fastening device for the bridge guardrail according to claim 1, characterized in that: the external dimension of the top of the screw (3) is matched with the internal dimension of the clamping groove (5), and the top of the screw (3) and the clamping groove (5) form a clamping structure.

3. The high-strength thinning fastening device for the bridge guardrail according to claim 1, characterized in that: the ejector rod (6) is a rectangular cylinder, the ejector rod groove (8) is formed in the middle of one side of the mounting block (7), and the external size of the ejector rod (6) is matched with the internal size of the ejector rod groove (8).

4. The high-strength thinning fastening device for the bridge guardrail according to claim 1, characterized in that: the fixing rod (11) and the mounting block (7) form an elastic structure through a spring (13), one side of the fixing rod (11) close to the fixing groove (9) is hemispherical, and the external size of one side of the fixing rod (11) close to the fixing groove (9) is matched with the internal size of the fixing groove (9).

5. The high-strength thinning fastening device for the bridge guardrail according to claim 1, characterized in that: the inside dimension of protective sheath (14) is greater than the outside dimension at screw (3) top, protective sheath (14) pass through the connection of helicitic texture in base (2) one side that is close to screw (3), and the material of protective sheath (14) is the polyethylene protective sheath.