CN218932952U

CN218932952U - Rail guard with automatic extending mechanism

Info

Publication number: CN218932952U
Application number: CN202320118180.8U
Authority: CN
Inventors: 孟鹏; 沈旭; 邓晓慧; 杨芳; 李亚鹏
Original assignee: SCEGC Mechanized Construction Group Co ltd
Current assignee: SCEGC Mechanized Construction Group Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-04-28
Anticipated expiration: 2033-01-12

Abstract

The utility model discloses a protective fence with an automatic stretching mechanism, which comprises the stretching mechanism, wherein the stretching mechanism is buried underground, the stretching mechanism comprises a motor box and a reciprocating screw rod box, a motor is installed in the motor box, the output end of the motor is connected with the reciprocating screw rod, the motor penetrates through the other end of the motor box to be rotationally connected to the inner wall of the reciprocating screw rod box, a plurality of sliders are connected to the reciprocating screw rod in a threaded manner, sliding rods are inserted into the lower ends of the sliders, the two ends of the sliding rods are inserted into the inner wall of the reciprocating screw rod box, threaded holes are formed in the upper ends of the sliders, and railings are connected to the threaded holes in the threaded manner. According to the utility model, the extension mechanism is buried underground, and the railing threads are inserted into the threaded holes of the corresponding outer main body, so that the rail is fixed without steel nails during the installation of the guard rail and is not required to be replaced integrally when the rail is damaged, and the problems that the time and the labor are wasted during the installation of the guard rail and the cost for replacing or maintaining the damaged rail is increased are solved.

Description

Rail guard with automatic extending mechanism

Technical Field

The utility model relates to the technical field of road protection, in particular to a protective fence with an automatic stretching mechanism.

Background

Along with the development of economy, vehicles are becoming more and more popular, road and bridge construction is becoming more and more popular in large cities, and in order to reduce the mortality rate in accidents, road guard rails are installed at two sides of a road, wherein the road guard rails are guardrails arranged at two sides of the road.

The rail guard mainly sets up for personnel's safety, and current rail guard is mostly directly fixed it subaerial through the steel nail, when removing the rail guard, only can remove the rail guard after need the manual work to warp the steel nail again, waste time and energy, after receiving the vehicle striking and producing the damage, can't maintain the change alone to the impaired part of railing, needs whole change and has increased the cost and can cause the hindrance to the operation of traffic at the in-process of maintaining.

Disclosure of Invention

The present utility model is directed to a guard rail with an automatic extension mechanism, so as to solve the above-mentioned problems in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model provides a rail guard with automatic extending mechanism, includes extending mechanism, extending mechanism buries underground, extending mechanism includes motor case and reciprocal lead screw case, install the motor in the motor case, the motor output is connected with reciprocal lead screw, the motor passes the motor case other end and rotates to be connected on reciprocal lead screw incasement wall, threaded connection has a plurality of sliders on the reciprocal lead screw, the slide bar has all been inserted to the slider lower extreme, the slide bar both ends are inserted and are established on reciprocal lead screw incasement wall, threaded hole has been seted up to the slider upper end, equal threaded connection of threaded hole has the railing.

Further, the slider includes outer main part, interior main part, elastic component and ball, the draw-in groove has been seted up to outer main part inner wall, four elastic component grooves have been seted up to the position equidistance that interior main part outer wall corresponds with the draw-in groove, all insert in the elastic component groove and have had the elastic component, the ball is all installed to the opening part in elastic component groove.

Further, the elastic piece is a spring.

Further, the periphery of the railing is wrapped with a night light reflecting patch.

Further, the upper end of the railing is sleeved with a rubber protective sleeve.

Further, a motor cover is arranged at the opening of the upper end of the motor case.

Further, a rubber folding cover is arranged at the upper end of the reciprocating screw rod box.

Compared with the prior art, the utility model has at least the following beneficial effects:

according to the guard rail with the automatic stretching mechanism, the stretching mechanism is buried underground at the installation position of the guard rail, and then the guard rail threads are inserted into the threaded holes formed in the upper ends of the corresponding sliders, namely, the guard rail is matched with the sliders in a threaded connection mode, if the guard rail at the upper ends of the sliders is damaged, a worker can independently detach the damaged guard rail for maintenance or replacement, the maintenance cost of the guard rail is greatly saved, the guard rail is installed without using steel nails to fix the guard rail and without integral replacement when the guard rail is damaged, and the problems that the installation of the guard rail is time-consuming and laborious, the replacement is detached, and the cost is saved when the damaged guard rail is maintained are solved.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of a front view of the present utility model;

FIG. 3 is a cut-a view of FIG. 2;

fig. 4 is an overall view of the automatic extension mechanism.

1, an extension mechanism; 2. a motor case; 3. a reciprocating screw rod box; 4. a motor; 5. a reciprocating screw rod; 6. a slider; 601. an outer body; 602. an inner body; 603. an elastic member; 604. a ball; 7. a slide bar; 8. a threaded hole; 9. railing; 10. a clamping groove; 11. an elastic member groove; 12. a reflective patch at night; 13. a rubber protective sleeve; 14. a motor cover; 15. a rubber folding cover.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As a specific embodiment of the present utility model, referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a rail guard with automatic extending mechanism, extending mechanism 1 buries underground in needs installation rail guard section, specifically speaking, extending mechanism 1 includes motor case 2 and reciprocal lead screw case 3, install motor 4 in the motor case 2, motor 4 output is connected with reciprocal lead screw 5, motor 4 passes motor case 2 other end rotation and connects on reciprocal lead screw case 3 inner wall, threaded connection has a plurality of sliders 6 on reciprocal lead screw 5, slider 6 lower extreme all inserts and is equipped with slide bar 7, slide bar 7 both ends are inserted and are established on reciprocal lead screw case 3 inner wall, motor 4 drive reciprocal lead screw 5 rotates, slider 6 produces the displacement along reciprocal lead screw 5, equal threaded connection in screw hole 8 that slider 6 upper end was seted up has railing 9, slider 6 produces the displacement along reciprocal lead screw 5, drive railing 9 that is connected with it and pack up or expand. The slider 6 in this embodiment is a conventional product on the market, and is described briefly below, where the slider 6 includes an outer body 601, an inner body 602, elastic members 603 and balls 604, a clamping groove 10 is formed in an inner wall of the outer body 601, four elastic member grooves 11 are formed in positions of an outer wall of the inner body 602 corresponding to the clamping groove 10 at equal intervals, elastic members 603 are inserted into the elastic member grooves 11, the elastic members 603 are springs, and the balls 604 are mounted at openings of the elastic member grooves 11.

In addition to the above embodiment, as a more preferable embodiment, a night light reflecting patch 12 is wrapped around the railing 9, and the night light reflecting patch 12 functions as a reminder for a vehicle running at night.

On the basis of the above embodiment, as a more preferable embodiment, the upper end of the railing 9 is sleeved with the rubber protecting sleeve 13, and the rubber protecting sleeve 13 has the function of preventing the pedestrian from colliding with the railing 9 to cause injury.

In addition to the above embodiment, as a more preferable embodiment, a motor cover 14 is installed at an opening of an upper end of the motor case 2, and the motor cover 14 functions to prevent water from entering the motor case 2 when it rains.

In addition to the above embodiment, as a more preferable embodiment, a rubber folding cover 15 is installed at the upper end opening of the reciprocating screw case 3, and the rubber folding cover 15 functions to prevent water from entering the reciprocating screw case 3 when it rains.

Specifically, when the protective fence is used, a constructor needs to dig pits on the ground on two sides of a road to be constructed before installing the protective fence, the motor case 2 and the reciprocating screw case 3 of the extension mechanism 1 are buried underground, the motor 4 is installed in the motor case 2, the output end of the motor 4 is rotationally connected with the reciprocating screw 5, the reciprocating screw 5 and the sliding rod 7 are inserted into the reciprocating screw case 3, a plurality of sliders 6 are installed between the reciprocating screw 5 and the sliding rod 7, when the protective fence is used, the rails 9 are in threaded connection with threaded holes 8 of the sliders 6, the motor 4 is started, the output end of the motor 4 rotates to drive the reciprocating screw 5 to rotate, the reciprocating screw 5 rotates to drive the sliders 6 to move, the sliders 6 move to drive the rails 9 on the upper end to move, if the rails 9 on the sliders 6 are damaged, the damaged rails 9 can be detached independently for maintenance or replacement, the maintenance cost of the protective fence is greatly saved, after the road is abandoned or when the protective fence is not used, the worker can detach all the rails 9, the opening of the reciprocating screw case 3 is sealed by using a cover plate, and the whole mechanism does not need to be detached again.

Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A guard rail with automatic stretching mechanism, comprising stretching mechanism (1), characterized in that: the utility model provides a reciprocating screw rod (9) of extension mechanism (1) buries underground, extension mechanism (1) include motor case (2) and reciprocal lead screw case (3), install motor (4) in motor case (2), motor (4) output is connected with reciprocal lead screw (5), motor (4) pass motor case (2) other end rotation and connect on reciprocal lead screw case (3) inner wall, threaded connection has a plurality of sliders (6) on reciprocal lead screw (5), slide bar (7) have all been inserted to slider (6) lower extreme, slide bar (7) both ends are inserted and are established on reciprocal lead screw case (3) inner wall, threaded hole (8) have been seted up to slider (6) upper end, equal threaded connection has in threaded hole (8).

2. A guard rail with automatic extension mechanism as claimed in claim 1, wherein: the slider (6) comprises an outer main body (601), an inner main body (602), elastic pieces (603) and balls (604), wherein clamping grooves (10) are formed in the inner wall of the outer main body (601), four elastic piece grooves (11) are formed in the outer wall of the inner main body (602) at equal intervals in positions corresponding to the clamping grooves (10), the elastic pieces (603) are inserted in the elastic piece grooves (11), and the balls (604) are mounted at the opening parts of the elastic piece grooves (11).

3. A guard rail with automatic extension mechanism as claimed in claim 2, wherein: the elastic piece (603) is a spring.

4. A guard rail with automatic extension mechanism as claimed in claim 1, wherein: the periphery of the railing (9) is wrapped with a night light reflecting patch (12).

5. A guard rail with automatic extension mechanism as claimed in claim 1, wherein: the upper end of the railing (9) is sleeved with a rubber protective sleeve (13).

6. A guard rail with automatic extension mechanism as claimed in claim 1, wherein: a motor cover (14) is arranged at the opening of the upper end of the motor box (2).

7. A guard rail with automatic extension mechanism as claimed in claim 1, wherein: the upper end of the reciprocating screw rod box (3) is provided with a rubber folding cover (15).