CN210086110U

CN210086110U - Roadblock for municipal construction

Info

Publication number: CN210086110U
Application number: CN201920522895.3U
Authority: CN
Inventors: 邢小兵; 韩宏; 王颖; 邢建; 王诗蕾
Original assignee: Jiangsu Hui Chun Construction Co Ltd
Current assignee: Jiangsu Hui Chun Construction Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-02-18
Anticipated expiration: 2029-04-17

Abstract

The utility model provides a roadblock for municipal construction, which comprises a fixed rod and a movable plate, wherein the middle part of the fixed rod is sleeved with a rotating sleeve, two limit arms extend outwards from the groove bottom of a groove of the fixed rod, a first damping device is also arranged on the rotating sleeve positioned between the two limit arms, the first damping device comprises a first buffer sleeve and a buffer rod, the first buffer sleeve is vertically fixed outside the rotating sleeve, one end of the buffer rod is connected with the movable plate, the other end of the buffer rod is inserted in the first buffer sleeve, the buffer rod is also sleeved with a first buffer spring, the limit arms are provided with a buffer pressure plate, the first buffer sleeve is also provided with a second buffer device matched with the buffer pressure plate, the second buffer device comprises a second buffer sleeve, two buffer plates are slidably connected in a through groove in the second buffer sleeve, the buffer plates and the through groove are connected through a second buffer spring, the buffer pressure plate is inserted between the two buffer plates, the utility model discloses simple structure not only can cushion positive impact, can also cushion the component of side.

Description

Roadblock for municipal construction

Technical Field

The utility model relates to a roadblock, especially a roadblock for municipal construction.

Background

Road blocks are generally additionally arranged on the road sections which are not allowed to pass in municipal construction, vehicles are prevented from entering the road blocks, but the structure of the existing road blocks is a single stop lever, or a front buffer device is arranged on the front surface of the existing road blocks, but the direction of the impact force is uncertain, so that the traditional front buffer device has poor impact force buffering effect on the side surface, and even the traditional front buffer device can be damaged by bending.

Therefore, a roadblock for municipal construction, which has a simple structure, can buffer the front impact force and can buffer the side component force, is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a roadblock for municipal construction, simple structure not only can cushion positive impact, can also cushion the component of side.

The utility model provides a following technical scheme:

a roadblock for municipal construction comprises a fixed rod and a movable plate, wherein the fixed rod is buried in the ground, a rotating sleeve is sleeved at the middle of the fixed rod, the rotating sleeve is sleeved in an inwards sunken annular groove of the rotating sleeve, two limiting arms extend outwards from the groove bottom of the groove and the fixed rod, the two limiting arms are symmetrically arranged at two sides of the fixed rod, an arc-shaped groove for the limiting arms to move is further formed in the rotating sleeve, a first damping device is further arranged on the rotating sleeve between the two limiting arms, the first damping device comprises a first buffer sleeve and a buffer rod, the first buffer sleeve is vertically fixed on the outer side wall of the rotating sleeve, one end of the buffer rod is connected with the movable plate, the other end of the buffer rod is inserted in the first buffer sleeve, a first buffer spring is further sleeved on the buffer rod, one end of the first buffer spring is connected to the movable plate, the other end of the buffer sleeve is connected with the first buffer sleeve; the buffer device is characterized in that a buffer pressing plate is vertically arranged on the limiting arm, a second buffer device matched with the buffer pressing plate is further arranged outside the first buffer sleeve, the second buffer device comprises a second buffer sleeve, a through groove penetrating through the second buffer sleeve is formed in the second buffer sleeve, two buffer plates arranged in parallel are slidably connected in the through groove, the buffer plates are connected with the inner wall of the through groove through second buffer springs, and the buffer pressing plate is inserted between the two buffer plates.

Preferably, the top and the bottom of buffer board all are equipped with two sliders, the top and the bottom of leading to the inslot arm be equipped with slider complex slide rail.

Preferably, a limiting ring which limits the buffer rod in the first buffer sleeve is further arranged in the first buffer sleeve, and a limiting block which can be abutted against the limiting ring is further arranged on the limiting rod.

Preferably, the bottom of the movable plate is provided with a plurality of balls for supporting the movable plate to move, and at least two thirds of the area of the balls is embedded into the spherical cavity formed at the bottom of the movable plate.

The utility model has the advantages that: when the fly leaf receives the impact, positive impact can make the buffer beam move in towards first cushion cover, and the first buffer spring of fly leaf compression simultaneously reaches the purpose of buffering, and the impact of side then can make first cushion cover surround the dead lever and rotate, and the second buffer spring of one side in the second cushion cover of buffering clamp plate compression simultaneously reaches the purpose of component buffering, thereby it is more stable to make the buffering effect, reach not only can cushion positive impact, can also cushion the effect of the component of side.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a sectional view of the structure of the present invention when the impact force is perpendicular to the movable plate;

FIG. 2 is a sectional view of the structure of the present invention when the impact force is not perpendicular to the movable plate;

FIG. 3 is a sectional view of the rotating sleeve on the fixing rod;

FIG. 4 is a schematic view of the movable plate;

notation in the figure: 1 is the dead lever, 2 is the fly leaf, 3 is the rotating sleeve, 4 is the recess, 5 is spacing arm, 6 is the arc wall, 7 is first cushion collar, 8 is the buffer beam, 9 is first buffer spring, 10 is the buffering clamp plate, 11 is the second cushion collar, 12 is logical groove, 13 is the buffer plate, 14 is the second buffer spring, 15 is the slider, 16 is the spacing ring, 17 is the stopper, 18 is the ball.

Detailed Description

Referring to fig. 1 to 2, the roadblock for municipal construction includes a fixed rod 1 and a movable plate 2, the fixed rod 1 is buried in the ground, and the middle portion thereof is sleeved with a rotating sleeve 3, the rotating sleeve 3 is sleeved in an annular groove 4 recessed inwards from the fixed rod, two limiting arms 5 are extended from the bottom of the groove 4 perpendicularly to the fixed rod 1, the two limiting arms 5 are symmetrically arranged at two sides of the fixed rod 1, an arc-shaped groove 6 for the limiting arm 5 to move is further arranged on the rotating sleeve 3, a first damping device is further arranged on the rotating sleeve 3 between the two limiting arms, the first damping device includes a first buffer sleeve 7 and a buffer rod 8, the first buffer sleeve 7 is perpendicularly fixed on the outer side wall of the rotating sleeve 3, one end of the first buffer rod 8 is connected with the movable plate 2, the other end is inserted in the first buffer sleeve 7, and a first buffer spring 9 is further sleeved on the buffer rod 8, one end of the first buffer spring 9 is connected to the movable plate 2, and the other end is connected to the first buffer sleeve 7; perpendicular set up a buffering clamp plate 10 on the spacing arm 5, first cushion collar 7 still is equipped with one outward and buffers clamp plate 10 complex second buffer, second buffer includes second cushion collar 11, be equipped with one in the second cushion collar 11 and run through its logical groove 12, lead to two parallel arrangement's of sliding connection buffer board 13 in groove 12, all connect through second buffer spring 14 between buffer board 13 and the inner wall that leads to groove 12, and insert between two buffer boards 13 between buffering clamp plate 10.

The top and the bottom of buffer board 13 all are equipped with two sliders 15, lead to the top and the bottom of 12 inner arms of groove and be equipped with slider 15 complex slide rail to not only realize buffer board 13 spacing, also make buffer board 13's removal more smooth and easy moreover.

The first buffer sleeve 7 is also internally provided with a limit ring 16 which limits the buffer rod 8 in the first buffer sleeve 7, and the limit rod is also provided with a limit block 17 which can be abutted against the limit ring 16, so that the buffer rod 8 can be prevented from being separated from the first buffer sleeve 7.

The bottom of the movable plate 2 is provided with a plurality of balls 18 for supporting the movable plate 2 to move, and at least two thirds of the area of the balls 18 are embedded in a spherical cavity formed at the bottom of the movable plate 2.

The utility model discloses a theory of operation is: when fly leaf 2 receives the impact, positive impact can make buffer rod 8 move towards first cushion collar 7 internal motion, fly leaf 2 compresses first buffer spring 9 simultaneously, reach the purpose of buffering, and the impact of side then can make first cushion collar 7 rotate around dead lever 1, cushion clamp plate 10 simultaneously compresses the second buffer spring of one side in the second cushion collar 11, reach the purpose of component buffering, thereby make the buffering effect more stable, reach not only can cushion positive impact, can also cushion the effect of the component of side.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A roadblock for municipal construction is characterized by comprising a fixed rod and a movable plate, wherein the fixed rod is buried in the ground, a rotating sleeve is sleeved at the middle of the fixed rod and is arranged in an annular groove in which the fixed rod is sunken inwards, two limiting arms extend outwards from the bottom of the groove and are perpendicular to the fixed rod, the two limiting arms are symmetrically arranged on two sides of the fixed rod, an arc-shaped groove for the limiting arms to move is further formed in the rotating sleeve, a first damping device is further arranged on the rotating sleeve between the two limiting arms and comprises a first buffer sleeve and a buffer rod, the first buffer sleeve is vertically fixed on the outer side wall of the rotating sleeve, one end of the buffer rod is connected with the movable plate, the other end of the buffer rod is inserted in the first buffer sleeve, and a first buffer spring is further sleeved on the buffer rod, one end of the first buffer spring is connected to the movable plate, and the other end of the first buffer spring is connected to the first buffer sleeve;

the buffer device is characterized in that a buffer pressing plate is vertically arranged on the limiting arm, a second buffer device matched with the buffer pressing plate is further arranged outside the first buffer sleeve, the second buffer device comprises a second buffer sleeve, a through groove penetrating through the second buffer sleeve is formed in the second buffer sleeve, two buffer plates arranged in parallel are slidably connected in the through groove, the buffer plates are connected with the inner wall of the through groove through second buffer springs, and the buffer pressing plate is inserted between the two buffer plates.

2. The roadblock for municipal construction according to claim 1, wherein two sliding blocks are provided on the top and bottom of the buffer plate, and sliding rails engaged with the sliding blocks are provided on the top and bottom of the through-groove arm.

3. The roadblock for municipal construction according to claim 1, wherein a limiting ring for limiting the bumper bar in the first bumper sleeve is further provided in the first bumper sleeve, and a limiting block capable of abutting against the limiting ring is further provided on the limiting bar.

4. The roadblock for municipal construction according to claim 1, wherein the bottom of the movable plate is provided with a plurality of balls for supporting the movable plate to move, and at least two thirds of the area of the balls are embedded in a spherical cavity formed in the bottom of the movable plate.