CN214573599U

CN214573599U - Highway construction is with portable rail guard

Info

Publication number: CN214573599U
Application number: CN202022726764.2U
Authority: CN
Inventors: 房映儒; 左秋红; 袁锦蔚; 朱婷; 刘荣荣; 马苗苗; 穆卫卫
Original assignee: Shaanxi Dadao Construction Engineering Co ltd
Current assignee: Shaanxi Dadao Construction Engineering Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-11-02
Anticipated expiration: 2030-11-23

Abstract

The utility model provides a highway construction is with portable rail guard, include: the device comprises a first cross bar, a second cross bar, a plurality of telescopic rods, a first telescopic mechanism, a second telescopic mechanism, a first moving wheel and a second moving wheel; a first fixed column and a first movable column; the first fixed column is sleeved on the outer side of the first moving column; the second fixed column is sleeved on the outer side of the second moving column; the first moving wheel is arranged at the bottom of the first fixed column, and the second moving wheel is arranged at the bottom of the second fixed column; the telescopic end of the first telescopic mechanism is fixedly connected with the side wall of the first moving column, and the telescopic end of the second telescopic mechanism is fixedly connected with the side wall of the second moving column; the first cross bar is positioned between the first moving column and the second moving column; the second cross rod is arranged between the first fixing column and the second fixing column; the telescopic link sets up between two horizontal poles, adopts the utility model provides a portable rail guard can carry out the regulation of rail guard height, and convenient to use has practiced thrift the resource.

Description

Highway construction is with portable rail guard

Technical Field

The utility model relates to a highway construction technical field especially involves and is a highway construction uses portable rail guard.

Background

The upright posts of the guardrail are fixed with the ground through expansion bolts or embedded, and are usually installed on the two sides of a logistics channel, the periphery of production equipment, building corners, the two sides of a door, the edge of a goods platform and the like.

The guardrails with different heights are required to be used according to different use scenes, for example, in the road construction process, the guardrails are required to be used for dividing a non-motor vehicle lane again, at the moment, the required height of the guardrail is not required to be too high, the height of the guardrail is about 30-50cm, when power equipment is required to be isolated, the height of the commonly used guardrail is about 1 m, however, in order to solve the problem that the heights of the guardrails are different, a manufacturer is required to manufacture the guardrails with different heights, one guardrail is used, after the road construction at one place is completed, the debugging of the power equipment is required to be carried out at the place, a user is required to firstly carry the guardrail with the lower height for dividing the road, and the guardrail which is in line with the barrier power equipment is carried to the place, so that the guardrail is inconvenient to use; and the manufacturer can produce the waste of production resources when producing guardrails with different heights.

SUMMERY OF THE UTILITY MODEL

In order to solve prior art, the guardrail height can not be adjusted, and then brings the inconvenient use, the technical problem of production resources waste, the utility model provides a highway construction is with portable rail guard, concrete technical scheme is as follows:

the embodiment of the utility model provides a highway construction is with portable rail guard, include: the device comprises a first upright post, a second upright post, a first cross bar, a second cross bar, a plurality of telescopic rods, a first telescopic mechanism, a second telescopic mechanism, a first moving wheel and a second moving wheel; the first upright column comprises a first fixed column and a first movable column; the first fixed column is sleeved on the outer side of the first movable column; the first movable column is connected with the first fixed column in a sliding manner; the second upright column comprises a second fixed column and a second moving column, and the second fixed column is sleeved on the outer side of the second moving column; the second movable column is in sliding connection with the second fixed column; the first moving wheel is arranged at the bottom of the first fixed column, and the second moving wheel is arranged at the bottom of the second fixed column; the first telescopic mechanism is arranged in the first fixed column, the telescopic end of the first telescopic mechanism is fixedly connected with the side wall of the first moving column, the second telescopic mechanism is arranged in the second fixed column, and the telescopic end of the second telescopic mechanism is fixedly connected with the side wall of the second moving column; one end of the first cross rod is fixedly connected with the side wall of the first moving column, and the other end of the first cross rod is fixedly connected with the side wall of the second moving column; one end of the second cross rod is fixedly connected with the side wall of the first fixing column, and the other end of the second cross rod is fixedly connected with the side wall of the second fixing column; one end of each telescopic rod is fixedly connected with the first cross rod, the other end of each telescopic rod is fixedly connected with the second cross rod, and the telescopic rods are parallel to each other; the telescopic rod is parallel to the first upright post; the first upright post is parallel to the second upright post; the telescopic rod is perpendicular to the first cross rod.

Further, the first cross bar is parallel to the second cross bar, and the first cross bar is perpendicular to the first upright post.

Furthermore, the telescopic link includes first pole, second pole, the internal diameter of first pole is greater than the external diameter of second pole, first pole cup joints the outside of second pole the tip of first pole is provided with first spacing ring the tip of second pole is provided with the second spacing ring, the internal diameter of first spacing ring is less than the external diameter of second spacing ring, the external diameter of second spacing ring is less than the internal diameter of first pole.

Furthermore, a first connecting lug is arranged on the side wall of the first fixing column.

Furthermore, a second connecting lug is arranged on the side wall of the second fixing column.

The embodiment of the utility model provides a highway construction is with portable rail guard, include: the device comprises a first upright post, a second upright post, a first cross bar, a second cross bar, a plurality of telescopic rods, a first telescopic mechanism, a second telescopic mechanism, a first moving wheel and a second moving wheel; the first upright column comprises a first fixed column and a first movable column; the first fixed column is sleeved on the outer side of the first moving column; the first moving column is connected with the first fixing column in a sliding manner; the second upright column comprises a second fixed column and a second moving column, and the second fixed column is sleeved on the outer side of the second moving column; the second movable column is connected with the second fixed column in a sliding manner; the first moving wheel is arranged at the bottom of the first fixed column, and the second moving wheel is arranged at the bottom of the second fixed column; the first telescopic mechanism is arranged in the first fixed column, the telescopic end of the first telescopic mechanism is fixedly connected with the side wall of the first moving column, the second telescopic mechanism is arranged in the second fixed column, and the telescopic end of the second telescopic mechanism is fixedly connected with the side wall of the second moving column; one end of the first cross rod is fixedly connected with the side wall of the first movable column, and the other end of the first cross rod is fixedly connected with the side wall of the second movable column; one end of the second cross rod is fixedly connected with the side wall of the first fixing column, and the other end of the second cross rod is fixedly connected with the side wall of the second fixing column; one end of each telescopic rod is fixedly connected with the first cross rod, the other end of each telescopic rod is fixedly connected with the second cross rod, and the telescopic rods are parallel to each other; the telescopic rod is parallel to the first upright post; the first upright post is parallel to the second upright post; the telescopic rod is perpendicular to the first cross rod. In the use, when the guardrail needs to stretch, control first telescopic machanism and the extension of second telescopic machanism, under first telescopic machanism's drive, first removal post is first fixed column rebound relatively, meanwhile, the relative second fixed column rebound of second removal post, first removal post and second removal post rebound are followed with the horizontal pole to the second, the second horizontal pole keeps motionless relative first fixed column, at the in-process of the relative second horizontal pole motion of first horizontal pole, the telescopic link extension of setting between first horizontal pole and second horizontal pole, above-mentioned extension process is until reaching predetermined height, adopt the utility model provides a portable guardrail for highway construction can carry out the regulation of guardrail height according to the user demand of difference, and convenient to use has practiced thrift the resource.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural view of a mobile protective guard for road construction according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of an expansion link provided by the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a first column according to an embodiment of the present invention.

Reference numerals:

1 first stand, 2 second stands, 3 first horizontal poles, 4 second horizontal poles, 5 telescopic links, 6 first telescopic machanisms, 7 second telescopic machanisms, 8 first removal wheels, 9 second removal wheels, 10 first fixed columns, 11 first removal posts, 12 second fixed columns, 13 second removal posts, 14 first poles, 15 second poles, 16 first spacing rings, 17 second spacing rings, 18 first engaging lug, 19 second engaging lug.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, an embodiment of the present invention provides a mobile protective fence for road construction, including: the device comprises a first upright 1, a second upright 2, a first cross bar 3, a second cross bar 4, a plurality of telescopic bars 5, a first telescopic mechanism 6, a second telescopic mechanism 7, a first moving wheel 8 and a second moving wheel 9; the first upright column 1 comprises a first fixed column 10 and a first movable column 11; the first fixed column 10 is sleeved on the outer side of the first movable column 11; the first movable column 11 is in sliding connection with the first fixed column 10; the second upright column 2 comprises a second fixed column 12 and a second movable column 13, and the second fixed column 12 is sleeved on the outer side of the second movable column 13; the second moving column 13 is in sliding connection with the second fixed column 12; the first moving wheel 8 is arranged at the bottom of the first fixed column 10, and the second moving wheel 9 is arranged at the bottom of the second fixed column 12; the first telescopic mechanism 6 is arranged inside the first fixed column 10, the telescopic end of the first telescopic mechanism 6 is fixedly connected with the side wall of the first moving column 11, the second telescopic mechanism 7 is arranged inside the second fixed column 12, and the telescopic end of the second telescopic mechanism 7 is fixedly connected with the side wall of the second moving column 13; one end of the first cross bar 3 is fixedly connected with the side wall of the first moving column 11, and the other end of the first cross bar is fixedly connected with the side wall of the second moving column 13; one end of the second cross bar 4 is fixedly connected with the side wall of the first fixed column 10, and the other end of the second cross bar is fixedly connected with the side wall of the second fixed column 12; one end of each telescopic rod is fixedly connected with the first cross rod 3, the other end of each telescopic rod is fixedly connected with the second cross rod 4, and the telescopic rods are parallel to each other; the telescopic rod is parallel to the first upright post 1; the first upright column 1 is parallel to the second upright column 2; the telescopic rod is perpendicular to the first cross rod 3.

It should be noted that, the first telescoping mechanism 6 and the second telescoping mechanism 7 may be hydraulic telescoping rods, which can be purchased directly, and the specific model is not limited in this embodiment, for example, they may be an existing hydraulic cylinder assembly, and on the other hand, controlling the first telescoping mechanism 6 and the second hydraulic mechanism to move synchronously belongs to the conventional technical means in the field, for example, it may be a throttling synchronization loop controlling the two hydraulic telescoping mechanisms to move synchronously, and the throttling synchronization loop is divided into an oil-taking throttling, an oil-returning throttling and a bypass throttling, and this method has a simple structure and a low cost, and it may also be a speed-regulating synchronization loop controlling the two hydraulic telescoping mechanisms to move synchronously; the speed regulation synchronous circuit realizes synchronization by using a speed regulation valve, the speed regulation valve can prevent an oil inlet circuit and an oil return circuit, and a bridge circuit can be adopted to realize bidirectional speed regulation synchronization. The present embodiment does not improve the control method of how to control the two hydraulic telescoping mechanisms. On the other hand, the first telescopic mechanism 6 and the second telescopic mechanism 7 can also be electric telescopic rods, how to control the two electric telescopic rods 5 to work synchronously is arranged, the following mode can be adopted, the control circuits of the two electric telescopic rods are connected in series, a uniform zero position is set, namely, when the two electric telescopic rods retract to the limit position, the zero position is the zero position, then, through an external control switch, the controller is electrified, the two electric telescopic rods supply power simultaneously, the purpose of synchronous telescopic control can be realized, in practical application, when the electric telescopic rods are adopted, the models and the types of the two electric telescopic rods are preferably completely the same, of course, if two telescopic strokes are available, the telescopic speed, the telescopic length and the like are the same, the two electric telescopic rods can also be applied to the embodiment, and the problem of synchronous telescopic of the two is solved.

The connection between the first telescopic mechanism 6 and the first movable column 11 may be achieved by providing a connecting member at the telescopic end of the first telescopic mechanism 6, and the connecting member may be welded directly to the inner side wall of the first movable column 11. The telescopic end of the first telescopic mechanism 6 is the end of the shaft which can be telescopic. Similarly, the second telescopic mechanism 7 can also be fixedly connected with the second movable column 13 by adopting the above connection mode.

It should be noted that, in the present embodiment, the material of the movable guard rail is not determined, and the preferable material is an aluminum alloy, which has the advantages of effectively reducing the weight of the movable guard rail and facilitating the movement.

In the use, when the guardrail is required to extend, the extension of the first telescoping mechanism 6 and the second telescoping mechanism 7 is controlled, under the driving of the first telescoping mechanism 6, the first moving column 11 moves upwards relative to the first fixed column 10, meanwhile, the second moving column 13 moves upwards relative to the second fixed column 12, firstly, the cross rod moves upwards along with the first moving column 11 and the second moving column 13, the second cross rod 4 keeps still relative to the first fixed column 10, in the process that the first cross rod 3 moves relative to the second cross rod 4, the telescopic rod 5 arranged between the first cross rod 3 and the second cross rod 4 extends, and the extending process is carried out until the preset height is reached.

In one embodiment, the first cross bar 3 is parallel to the second cross bar 4, and the first cross bar 3 is perpendicular to the first upright 1.

In a specific embodiment, as shown in fig. 2, the telescopic rod includes a first rod 14 and a second rod 15, an inner diameter of the first rod 14 is greater than an outer diameter of the second rod 15, the first rod 14 is sleeved outside the second rod 15, a first limiting ring 16 is disposed at an end of the first rod 14, a second limiting ring 17 is disposed at an end of the second rod 15, an inner diameter of the first limiting ring 16 is smaller than an outer diameter of the second limiting ring 17, and an outer diameter of the second limiting ring 17 is smaller than an inner diameter of the first rod 14. By adopting the above arrangement, the limited sliding of the first rod 14 and the second rod 15 can be realized, in this embodiment, the maximum telescopic length of the telescopic rod is the sum of the lengths of the first rod 14 and the second rod 15, specifically, the lengths of the first rod 14 and the second rod 15 can be set by a user according to an actual situation, for example, a guardrail with a height of 50cm is needed, and the user can select the first rod 14 with a length of 25cm and the second rod 15 with a length of 25 cm; alternatively, a second rod 15 of 20cm and a second rod 15 of 30cm may be selected, and in this embodiment, the lengths of the first rod 14 and the second rod 15 are not so called, and the user may set the lengths at will. When the length of the first rod 14 is greater than the length of the second rod 15, the second rod 15 can be completely retracted into the first rod 14, and at this time, the minimum height of the movable guard rail provided by this embodiment is the length of the first rod 14; when the length of the first rod 14 is less than the length of the second rod 15; the second rod 15 may not be completely retracted into the first rod 14, and at this time, the minimum height of the movable guard rail provided in this embodiment is the length of the first rod 14 plus the difference between the lengths of the first rod 14 and the second rod 15.

In one embodiment, a first connecting lug 18 is disposed on a side wall of the first fixing post 10. The first connecting lugs 18 are arranged, so that when a plurality of movable protective fences are assembled conveniently, the connecting lugs are directly used for fixing, and in practical application, the connecting lugs arranged on another movable protective fence are inserted into the two connecting lugs, and then the two movable protective fences can be assembled. Of course, the two ends of the fixing pin are both required to be provided with a limiting structure to prevent the fixing pin from falling off.

In one embodiment, a second engaging lug 19 is disposed on a side wall of the second fixing post 12.

The embodiment of the utility model provides a highway construction is with portable rail guard, include: the device comprises a first upright 1, a second upright 2, a first cross bar 3, a second cross bar 4, a plurality of telescopic bars 5, a first telescopic mechanism 6, a second telescopic mechanism 7, a first moving wheel 8 and a second moving wheel 9; the first upright column 1 comprises a first fixed column 10 and a first movable column 11; the first fixed column 10 is sleeved on the outer side of the first movable column 11; the first moving column 11 is connected with the first fixed column 10 in a sliding manner; the second upright column 2 comprises a second fixed column 12 and a second moving column 13, and the second fixed column 12 is sleeved on the outer side of the second moving column 13; the second movable column 13 is connected with the second fixed column 12 in a sliding manner; the first moving wheel 8 is arranged at the bottom of the first fixed column 10, and the second moving wheel 9 is arranged at the bottom of the second fixed column 12; the first telescopic mechanism 6 is arranged inside the first fixed column 10, the telescopic end of the first telescopic mechanism 6 is fixedly connected with the side wall of the first moving column 11, the second telescopic mechanism 7 is arranged inside the second fixed column 12, and the telescopic end of the second telescopic mechanism 7 is fixedly connected with the side wall of the second moving column 13; one end of the first cross bar 3 is fixedly connected with the side wall of the first movable column 11, and the other end is fixedly connected with the side wall of the second movable column 13; one end of the second cross rod 4 is fixedly connected with the side wall of the first fixed column 10, and the other end of the second cross rod is fixedly connected with the side wall of the second fixed column 12; one end of each telescopic rod is fixedly connected with the first cross rod 3, the other end of each telescopic rod is fixedly connected with the second cross rod 4, and the telescopic rods are parallel to each other; the telescopic rod is parallel to the first upright post 1; the first upright column 1 is parallel to the second upright column 2; the telescopic rod is perpendicular to the first cross rod 3. When the guardrail needs to be extended, the first telescopic mechanism 6 and the second telescopic mechanism 7 are controlled to extend, driven by the first telescopic mechanism 6, the first movable column 11 moves upwards relative to the first fixed column 10, at the same time, the second mobile mast 13 moves upwards with respect to the second fixed mast 12, the first mobile mast 11 is followed by the cross-bar and the second mobile mast 13 moves upwards, the second cross-bar 4 remains stationary with respect to the first fixed mast 10, during the movement of the first cross bar 3 relative to the second cross bar 4, the telescopic bar 5 arranged between the first cross bar 3 and the second cross bar 4 is extended, the movable protective guard for road construction is adopted until the extension process reaches the preset height, the height of the guard railing can be adjusted according to different use requirements, the use is convenient, and resources are saved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a highway construction is with portable rail guard which characterized in that includes: the device comprises a first upright post, a second upright post, a first cross bar, a second cross bar, a plurality of telescopic rods, a first telescopic mechanism, a second telescopic mechanism, a first moving wheel and a second moving wheel;

the first upright column comprises a first fixed column and a first movable column; the first fixed column is sleeved on the outer side of the first movable column; the first movable column is connected with the first fixed column in a sliding manner; the second upright column comprises a second fixed column and a second moving column, and the second fixed column is sleeved on the outer side of the second moving column; the second movable column is in sliding connection with the second fixed column; the first moving wheel is arranged at the bottom of the first fixed column, and the second moving wheel is arranged at the bottom of the second fixed column; the first telescopic mechanism is arranged in the first fixed column, the telescopic end of the first telescopic mechanism is fixedly connected with the side wall of the first moving column, the second telescopic mechanism is arranged in the second fixed column, and the telescopic end of the second telescopic mechanism is fixedly connected with the side wall of the second moving column;

one end of the first cross rod is fixedly connected with the side wall of the first moving column, and the other end of the first cross rod is fixedly connected with the side wall of the second moving column; one end of the second cross rod is fixedly connected with the side wall of the first fixing column, and the other end of the second cross rod is fixedly connected with the side wall of the second fixing column; one end of each telescopic rod is fixedly connected with the first cross rod, the other end of each telescopic rod is fixedly connected with the second cross rod, and the telescopic rods are parallel to each other; the telescopic rod is parallel to the first upright post; the first upright post is parallel to the second upright post; the telescopic rod is perpendicular to the first cross rod.

2. The mobile guard rail for road construction according to claim 1, wherein the first cross bar is parallel to the second cross bar, and the first cross bar is perpendicular to the first post.

3. The mobile protective guard for road construction according to claim 1, wherein the telescopic rod comprises a first rod and a second rod, an inner diameter of the first rod is larger than an outer diameter of the second rod, the first rod is sleeved outside the second rod, a first limit ring is arranged at an end of the first rod, a second limit ring is arranged at an end of the second rod, an inner diameter of the first limit ring is smaller than an outer diameter of the second limit ring, and an outer diameter of the second limit ring is smaller than an inner diameter of the first rod.

4. The mobile guard rail for road construction according to claim 1, wherein a first coupling lug is provided on a side wall of the first fixing column.

5. The mobile guard rail for road construction according to claim 1, wherein a second engaging lug is provided on a sidewall of the second fixing post.