CN209855269U - Safe edge opening protection - Google Patents

Abstract

The utility model discloses a face limit entrance to a cave protection safely, including two device poles, two horizontal fixedly connected with dead levers, two between the device pole be fixed with many bumping posts between the dead lever, the dead lever of top is run through to the upper end of bumping post, be equipped with the bar groove in the bumping post, the bar inslot is connected with the extension rod through stop gear, be equipped with the device chamber in the device pole, the device intracavity is connected with the offset through elastic mechanism, the both sides of device pole all are equipped with the limiting plate of being connected with the offset, the inboard of device pole install with offset complex switching mechanism. The utility model discloses it is rational in infrastructure, can grasp the both sides that face the limit entrance to a cave to realize the switching through spacing lock, make the guardrail can not move.

Description

Safe edge opening protection

Technical Field

The utility model relates to an entrance to a cave protection technical field especially relates to face limit entrance to a cave protection safely.

Background

In some construction sites, for example, the building construction process always has a lot of to face limit and entrance to a cave, needs to use the guardrail to place it and face limit entrance to a cave department for the suggestion personnel notice.

But the workman often can appear at present and move or demolish the guardrail privately for face limit entrance to a cave department and do not have any and block, very easily take place the incident, the effect that current face limit guardrail can only play and block, but owing to there is not stop gear, make the guardrail can be moved easily and demolish.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the safety that proposes faces limit entrance to a cave protection, it can grasp the both sides that face the limit entrance to a switching is realized through spacing lock, makes the guardrail can not move.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

face limit entrance to a cave protection safely, including two device poles, two dead levers of horizontal fixedly connected with between the device pole, two be fixed with many bumping posts between the dead lever, the dead lever of top is run through to the upper end of bumping post, be equipped with the bar groove in the bumping post, the bar inslot is connected with the extension rod through stop gear, be equipped with the device chamber in the device pole, the device intracavity is connected with the offset through elastic mechanism, the both sides of device pole all are equipped with the limiting plate of being connected with the offset, the inboard of device pole install with offset complex closing mechanism.

Preferably, stop gear is including setting up a plurality of screw holes on the extension rod lateral wall, the lateral wall of bumping post runs through be equipped with screw hole complex bolt, a plurality of the common fixedly connected with ejector pin in upper end of extension rod.

Preferably, elastic mechanism is including fixing the pull rod at supporting the inboard board, the end of pull rod runs through the inner wall in device chamber, the cover is equipped with the spring on the pull rod, support the equal fixedly connected with connecting rod in both sides of board, the inner wall that the device chamber is relative all is equipped with the bar hole, the end of connecting rod run through the bar hole and with limiting plate fixed connection.

Preferably, two guide rods are fixedly connected in the device cavity, and the guide rods penetrate through the abutting plate.

Preferably, one end of the pull rod, which is positioned at the inner side of the device rod, is fixedly connected with a pull handle.

Preferably, the opening and closing mechanism comprises a limiting lock arranged on one side of the device cavity, a key hole of the limiting lock is located on the inner side of the device rod, a lock head of the limiting lock extends into the device cavity, and a limiting groove matched with the lock head is formed in the side wall of the abutting plate.

Compared with the prior art, the utility model, its beneficial effect does:

1. be provided with elastic mechanism, elastic mechanism is connected with and supports the board, supports the board and connects two limiting plates, can the joint face the limit entrance to a cave before the back wall on to the whole that makes can not move, improves the security.

2. Be provided with spacing lock for it can only open and close through the key, avoids the workman to demolish privately.

3. Be provided with extension rod and stop gear, the height that can protect as required pulls out many extension rods, realizes the protection of maximize.

Drawings

FIG. 1 is a schematic structural view of the safety edge-facing opening protection provided by the present invention;

FIG. 2 is a schematic sectional view of the safety edge-facing opening protection provided by the present invention;

fig. 3 is the inner side schematic view of the device rod for protecting the edge opening of the safety device.

In the figure: the device comprises a device rod 1, a device cavity 2, a spring 3, a catch 4, a fixing rod 5, a pull rod 6, a connecting rod 7, a butting plate 8, a push rod 9, a bolt 10, a threaded hole 11, an extension rod 12, a limiting lock 13, a lock head 14, a limiting plate 15 and a pull handle 16.

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.

Referring to fig. 1-3, face limit entrance to a cave protection safely, including two device poles 1, two dead levers 5 of horizontal fixedly connected with between two device poles 1, be fixed with many bumping posts 4 between two dead levers 5, the dead lever 5 of top is run through to the upper end of bumping post 4, be equipped with the bar groove in the bumping post 4, the bar inslot is connected with extension rod 12 through stop gear, stop gear is including setting up a plurality of screw holes 11 on extension rod 12 lateral wall, the lateral wall of bumping post 4 runs through be equipped with screw hole 11 complex bolt 10, the common fixedly connected with ejector pin 9 in the upper end of a plurality of extension rods 12, when facing the limit entrance to a cave great time, need strengthen the protection scope, only need last ejector pin 9 of pulling up this moment, drive a plurality of extension rods 12 and move up, after shifting up suitable position, accomplish spacingly in the screw hole 11 of corresponding position with bolt 10.

The device comprises a device rod 1, a device cavity 2 is arranged in the device cavity 2, a resisting plate 8 is connected in the device cavity 2 through an elastic mechanism, the elastic mechanism comprises a pull rod 6 fixed on the inner side of the resisting plate 8, the tail end of the pull rod 6 penetrates through the inner wall of the device cavity 2, a spring 3 is sleeved on the pull rod 6, connecting rods 7 are fixedly connected on both sides of the resisting plate 8, strip-shaped holes are arranged on the inner wall opposite to the device cavity 2, the tail end of each connecting rod 7 penetrates through the strip-shaped holes and is fixedly connected with a limiting plate 15, two guide rods are fixedly connected in the device cavity 2 and penetrate through the resisting plate 8, the limiting plates 15 connected with the resisting plate 8 are arranged on both sides of the device rod 1, a pull handle 16 is fixedly connected at one end of the pull rod 6 positioned on the inner side of the device rod 1, the pull handle 16 is pulled inwards to drive the pull rod 6 to move backwards, the pull rod 6 drives the resisting plate, two pull handles 16 are loosened, so that the two limiting plates 15 on the two sides move outwards to respectively clamp the front side wall and the rear side wall of the edge opening, and the device is prevented from being moved randomly.

The opening and closing mechanism matched with the abutting plate 8 is installed on the inner side of the device rod 1 and comprises a limiting lock 13 installed on one side of the device cavity 2, a key hole of the limiting lock 13 is located on the inner side of the device rod 1, a lock head of the limiting lock 13 extends into the device cavity 2, a limiting groove matched with the lock head is formed in the side wall of the abutting plate 8, a key is inserted into the key hole to rotate the limiting lock 13, the lock head 14 enters the limiting groove of the abutting plate 8, only relevant personnel can open and close the limiting groove, and the situation that workers can not be easily removed is avoided.

In the utility model, the pulling handle 16 is pulled to the inner side to drive the pulling rod 6 to move backwards, the pulling rod 6 drives the abutting plate 8 to move backwards, the abutting plate 8 drives the two limiting plates 15 to move inwards through the connecting rod 7, then the device is placed at the position near the edge opening, the two pulling handles 16 are loosened to enable the two limiting plates 15 at the two sides to move outwards, the front and rear two side walls of the edge opening are respectively clamped, the device is prevented from being moved randomly, a key is inserted into the key hole to rotate the limiting lock 13, the lock head 14 enters into the limiting groove of the abutting plate 8, only related personnel can open and close, and the worker is prevented from easily dismantling the device; when facing the limit entrance to a cave great, need strengthen the protective scope, only need last pull-up ejector pin 9 this moment, drive a plurality of extension rods 12 and move up, after shifting up to suitable position, accomplish spacingly in the screw hole 11 with bolt 10 precession corresponding position.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Face limit entrance to a cave protection safely, including two device poles (1), its characterized in that, two dead lever (5) of horizontal fixedly connected with between device pole (1), two be fixed with many bumping post (4) between dead lever (5), dead lever (5) of top are run through to the upper end of bumping post (4), be equipped with the bar groove in bumping post (4), the bar inslot is connected with extension rod (12) through stop gear, be equipped with device chamber (2) in device pole (1), be connected with in device chamber (2) through elastic mechanism and support board (8), the both sides of device pole (1) all are equipped with limiting plate (15) of being connected with support board (8), the inboard of device pole (1) install with support board (8) complex closing mechanism.

2. The safety limb entrance guard according to claim 1, wherein the limiting mechanism comprises a plurality of threaded holes (11) formed in the side wall of the extension rod (12), a bolt (10) matched with the threaded holes (11) penetrates through the side wall of the stop post (4), and a top rod (9) is fixedly connected to the upper ends of the extension rods (12) together.

3. The safety limb entrance guard according to claim 1, wherein the elastic mechanism comprises a pull rod (6) fixed on the inner side of the butt plate (8), the tail end of the pull rod (6) penetrates through the inner wall of the device cavity (2), a spring (3) is sleeved on the pull rod (6), connecting rods (7) are fixedly connected to two sides of the butt plate (8), strip-shaped holes are formed in the inner wall opposite to the device cavity (2), and the tail end of each connecting rod (7) penetrates through the strip-shaped hole and is fixedly connected with the limiting plate (15).

4. The safety limb entrance guard of claim 1, wherein two guide rods are fixedly connected in the device cavity (2), and the guide rods penetrate through the resisting plate (8).

5. A safety limb entrance guard according to claim 3, characterized in that a pull handle (16) is fixedly connected to the end of the pull rod (6) located inside the installation rod (1).

6. The safety limb entrance guard according to claim 1, wherein the opening and closing mechanism comprises a limit lock (13) installed at one side of the device cavity (2), a keyhole of the limit lock (13) is located at the inner side of the device rod (1), a lock head of the limit lock (13) extends into the device cavity (2), and a limit groove matched with the lock head is formed in the side wall of the abutting plate (8).