Foundation pit safety protection device
Technical Field
The utility model relates to a foundation ditch engineering technical field specifically is a foundation ditch safety device.
Background
As is well known, a foundation pit is a soil pit excavated at a designed position of a foundation according to the elevation and the plane size of the foundation, and in the rapid development of various cities, the foundation is often constructed when highway construction is performed, a plurality of foundation pits are usually excavated on the ground, and therefore, a foundation pit safety protection device is needed in order to prevent people and vehicles from entering the foundation pit by mistake.
Through retrieval, the utility model with the Chinese patent number of CN202121363237.8 discloses a foundation pit safety protection device, which comprises an outer protective shell, a fixed plate, a lower sliding plate, an upper sliding plate, a connecting clamping plate and a connecting clamping block; outer protecting crust is the rectangle form, and first trailing flank and first left flank of outer protecting crust are the opening form, and the lower half trailing flank and the lower half right flank of outer protecting crust are the opening form, the utility model discloses a lower sliding plate can prolong the length of outer protecting crust with last sliding plate, can be connected two outer protecting crust through connecting the fixture block and connecting the cardboard, can remind passerby at the night through the reflector strip, can fix the fixed plate on outside subaerial through the ground nail, can link together connecting the fixture block and connecting the cardboard fast through connecting the spiale.
Although above-mentioned technical scheme can link together connection fixture block and connection cardboard fast, because the ground nail is less at subaerial lifting surface area, at strong wind weather, only fix the fixed plate at outside subaerial through the ground nail, outer protecting crust is blown down by the strong wind very easily, and stability in use is lower.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a foundation ditch safety device to solve the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a foundation ditch safety device, comprising a base plate, install the rail guard on the bottom plate, and seted up two fixed orificess on the bottom plate, fixedly connected with inserted bar in the fixed orifices, the one end fixedly connected with ground nail of inserted bar, and be connected with two atress boards through two axle rotations on the inserted bar, adjustment tank and spout have been seted up on the atress board, sliding connection has the slider in the spout, rotation hole and spread groove have been seted up on the inserted bar, it is connected with the axis of rotation to rotate downthehole the rotation, the first conical gear of one end fixedly connected with of axis of rotation, the meshing has two second conical gear on the first conical gear, fixedly connected with spliced pole on the second conical gear, the one end of spliced pole runs through the inserted bar and rotates with the inserted bar to be connected, threaded hole and spacing groove have been seted up on the spliced pole, there is the screw rod through threaded connection in the threaded hole, the one end and the slider of screw rod are through axle swivelling joint.
Preferably, the other end of the rotating shaft is fixedly connected with a rotating rod.
Furthermore, the rotating rod is provided with anti-skid lines.
Still further, the rotating shaft is rotatably connected with the rotating hole through a bearing.
According to a further scheme, the other end of the screw is fixedly connected with a limiting plate, and the limiting plate is connected with the inner wall of the limiting groove in a sliding mode.
On the basis of the scheme, a plurality of light reflecting pastes are fixedly connected to the guard railing.
(III) advantageous effects
Compared with the prior art, the utility model provides a foundation ditch safety device possesses following beneficial effect:
this foundation ditch safety device, through axis of rotation and first conical gear's cooperation, can drive second conical gear and rotate, second conical gear drives the spliced pole and rotates, the spliced pole passes through the screw hole and drives the screw rod and remove, the screw rod drives the slider and removes, the slider drives the atress board and rotates, the atress board rotates to both sides in the stratum, and then increases the lifting surface area of bottom plate and stratum, thereby can prevent to be blown down by the strong wind at strong wind weather protective guard, stability in use is higher.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;
fig. 3 is a schematic diagram of a partial enlarged structure at B in fig. 1 according to the present invention.
In the figure: 1. a base plate; 2. protecting the fence; 3. inserting a rod; 4. a ground nail; 5. a stress plate; 6. a slider; 7. a rotating shaft; 8. a first bevel gear; 9. a second bevel gear; 10. connecting columns; 11. a screw; 12. a rotating rod; 13. a bearing; 14. a limiting plate; 15. and (6) reflecting the light.
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.
Examples
Referring to fig. 1-3, a foundation pit safety protection device comprises a base plate 1, a protective guard 2 is installed on the base plate 1, a plurality of light reflecting pastes 15 are fixedly connected on the protective guard 2, pedestrians can observe the protective guard 2 at night through the light reflecting pastes 15, two fixing holes are formed in the base plate 1, an insert rod 3 is fixedly connected in each fixing hole, one end of the insert rod 3 is fixedly connected with a ground nail 4, two stress plates 5 are rotatably connected on the insert rod 3 through two shafts, an adjusting groove and a sliding groove are formed in each stress plate 5, a sliding block 6 is slidably connected in each sliding groove, a rotating hole and a connecting groove are formed in the insert rod 3, a rotating shaft 7 is rotatably connected in each rotating hole, a rotating rod 12 is fixedly connected at the other end of the rotating shaft 7, a rotating shaft 8 is conveniently rotated by a user through the rotating rod 12, anti-slip threads are arranged on the rotating rod 12, the rotating shaft 7 is rotatably connected with the rotating holes through a bearing 13, the stability of the rotating shaft 7 can be increased through the bearing 13, a first bevel gear 8 is fixedly connected at one end of the rotating shaft 7, two bevel gears 9 are meshed with a second bevel gear 9, one end of the rotating shaft is connected with a screw hole which is capable of being separated from a limiting plate 10, a screw rod 11, and a limiting plate 11 is connected with a screw capable of being connected with a screw rod 11, and a screw capable of being connected with a screw rod 11 capable of preventing the screw rod through a limiting plate, and a screw rod 11 capable of being connected with a screw rod 9, second bevel gear 9 drives spliced pole 10 and rotates, and spliced pole 10 drives screw rod 11 through the screw hole and removes, and screw rod 11 drives slider 6 and removes, and slider 6 drives the atress board 5 and rotates, and atress board 5 rotates to both sides in the stratum, and then increases the lifting surface area of bottom plate 1 and stratum to can prevent to be blown down by strong wind at strong wind weather rail guard 2, stability in use is higher.
In summary, when the foundation pit safety protection device is used, the foundation pit safety protection device is firstly placed at a position required to be used, when the bottom plate 1 needs to be fixed, a user can insert the ground nails 4 and the insertion rods 3 into the ground, the insertion rods 3 drive the stress plates 5 to enter the ground, then the user rotates the rotating rods 12, the rotating rods 12 drive the rotating shafts 7 to rotate, the rotating shafts 7 drive the first conical gears 8 to rotate, the first conical gears 8 drive the second conical gears 9 to rotate, the second conical gears 9 drive the connecting columns 10 to rotate, the connecting columns 10 drive the screw rods 11 to move through threaded holes, the screw rods 11 drive the sliding blocks 6 to move, the sliding blocks 6 drive the stress plates 5 to rotate, the stress plates 5 rotate towards two sides in the ground, and the stress areas of the bottom plate 1 and the ground are increased, so that the bottom plate 1 can be fixed on the ground.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.