Avalanche protector
Technical Field
The utility model relates to a protection device, in particular to an avalanche protection device.
Background
The avalanche is a common natural phenomenon and is widely distributed in snowy mountainous areas with middle, high latitudes and high altitudes, the area of the alpine mountainous area in China is 42 ten thousand square kilometers, the snow is abundant in the northeast, northwest and southwest areas, the average snow accumulation day per year is more than 150 days, the road of the mountainous area is frequently blocked by avalanche disasters, the traffic is interrupted, and the production and construction of forests and mines are damaged, so that the life danger of people and livestock is caused.
In the avalanche prevention and cure, the main engineering treatment measures adopted at present are snow stabilizing engineering, such as arranging a snow stabilizing fence, a snow rake, a snow net, a snow stabilizing wall and the like; patent document CN211922351U discloses a snow stabilizing fence, which comprises at least four concrete foundations, two main columns, two inclined struts, two tie bars, two ground anchors, a plurality of connecting square tubes and a plurality of snow stabilizing plates, wherein the respective lower ends of the main columns and the inclined struts are respectively fixed on the four foundations, the inclined columns are fixed on the free ends of the main columns, the snow stabilizing plates are sequentially fixed between the main columns and the inclined columns from top to bottom, each snow stabilizing plate is arranged along the horizontal direction of the mountain, the snow stabilizing fence is in a strip shape, a gap is formed between two adjacent snow stabilizing plates, the two main columns are arranged in parallel along the vertical direction of the mountain and in the left and right directions, the upper ends of the inclined struts are fixed with the upper portions of the main columns, the two main columns are respectively provided with a tie bar, one end of a tie bar is hung on the free end of the main column and the other end of the tie bar is hung on the ground anchors nailed into the slope, and is fixed by a turn buckle; the bottom, the middle part and the upper part of the main upright post and the inclined post are respectively connected by a connecting square pipe.
According to the scheme, each snow stabilizing plate is used for preventing snow from moving downwards along the direction of the hillside, impact of resisting skiing mainly depends on the tie bars and the two inclined struts, the shape of the snowslide is limited, so that impact potential energy of skiing is absorbed by the fences when the fences resist snow, the fences do not guide unloading force, the construction is relatively complex, the anti-skiing impact capacity is poor, the stability of a reinforcing mode is weaker, the durability is poor, the mobility is not strong, and the requirement that the slope of the hillside is 20 when the fences are placed is met0—300The middle section and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, the present invention provides an avalanche protection device.
In order to achieve the purpose, the utility model adopts the technical scheme that: the avalanche protection device comprises an upright post which is a columnar body, wherein one end of the upright post is provided with a first pin seat used for being fixed on a mountain, the other end of the upright post is provided with a triangular prism, two adjacent sides of the triangular prism are respectively provided with a connecting hole, and the upright post is at least provided with two first fixing holes.
Two struts: the pillar is a columnar body, one end of the pillar is provided with a second pin seat, the other end of the pillar is provided with a first pin hole which can be connected to the connecting hole, at least one second fixing hole is arranged on the pillar, and the pillar and the two pillars are connected into a triangular pyramid shape.
Wing plate: the wing plate is a plate body, and the plate body is fixed with the first fixing hole and the second fixing hole through fasteners respectively.
Fixing the components: the pin comprises a base disc and a sharp pin, wherein the sharp pin is connected to the bottom of the base disc, and a second pin hole which can be connected to the second pin seat is formed in the upper portion of the base disc.
Further, in the avalanche protection device, the wing plate is in a trapezoidal shape, and the object passing holes are uniformly distributed in the wing plate.
Further, in the avalanche protection device, the number of the object passing holes meets the requirement that the air permeability of the wing plates is 25-35%.
Furthermore, in the avalanche protection device, the upright post is provided with four first fixing holes, and the support post is provided with two second fixing holes.
Further, in the avalanche protection device, after the wing plates are fixed on the upright post and the support post, the bottom of the lower edge of the wing plates is 5-15 cm away from the second pin boss, and the upper part of the lower edge of the wing plates is 20-50 cm away from the ground.
Further, in the avalanche protection device, the height of the wing plate is 50-80 cm, the thickness of the wing plate is 0.5-1 cm, and the diameter of the object passing hole is 3-4 cm.
Further, in the avalanche prevention device, the diameter of the base plate is larger than the diameters of the upright post and the support post, and the length of the sharp nail is not less than 5 cm.
The embodiment of the utility model has the beneficial effects that: stand, the triangular pyramid avalanche protector that constitutes is connected to two pillars and pterygoid lamina, protector shock resistance has been improved, connect the stand on the predetermined concrete piece on the massif through first key seat, connect the mounting through the second key seat, pass through the sharp nail with two pillars and fix on the massif, it is simple and easy to have a construction, triangular pyramid protector is connected with the concrete piece and the sharp nail mounting of massif and is made the reinforcement stability promote, whole protector comprises a small number of part equipment, therefore still conveniently remove the change place.
Drawings
Fig. 1 is a schematic view of an assembled state of the avalanche prevention device of the present invention.
Fig. 2 is a schematic view of the connection of the upright post and the concrete block.
Fig. 3 is an exploded view of fig. 2.
Fig. 4 is a schematic view of a column and strut connection.
Fig. 5 is a perspective view of the fixing member.
Fig. 6 is a perspective view showing a state in which the stay is coupled to the fixing member.
Reference numerals in the drawings of the specification include: the vertical column comprises a vertical column 1, a first pin seat 10, a triangular prism 11, a connecting hole 110, a first fixing hole 12, a support column 2, a second pin seat 20, a first pin hole 21, a second fixing hole 22, a wing plate 3, a material passing hole 30, a fixing piece 4, a base plate 40, a sharp nail 41, a second pin hole 42, a bolt 5 and a concrete block 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1: referring to fig. 1 to 6, in the avalanche protection device provided by the present disclosure, as shown in fig. 1 to 3, an upright post 1 is a cylindrical body, one end of the upright post is provided with a first pin seat 10 for fixing on a mountain, the other end of the upright post is provided with a triangular prism 11, two adjacent sides of the triangular prism 11 are respectively provided with a connecting hole 110, the upright post 1 is provided with at least two first fixing holes 12, and the drawings specifically show four first fixing holes 12; concrete blocks 6 are preset on the mountain body, pin holes for connecting first pin seats 10 are reserved on the concrete blocks 6, and then the upright post 1 and the concrete blocks 6 are connected together through bolts 5 or pins, namely, the upright post 1 and the mountain body are connected.
As shown in fig. 1 and 4, the two support columns 2 are cylindrical bodies, one end of each support column 2 is provided with a second pin seat 20, the other end of each support column is provided with a first pin hole 21 which can be connected to the connecting hole 110, at least one second fixing hole 22 is arranged on each support column 2, the two second fixing holes 22 are specifically shown in the drawing, the support column 1 and the two support columns 2 are connected into a triangular pyramid shape, and the first pin holes 21 of the two specific support columns 2 are respectively connected with the connecting holes 110 on the adjacent sides of the triangular prism 11 through bolts 5 or pins; the vertical height of the assembled upright post 1 and support post 2 is required to be greater than the height of the avalanche front.
As shown in fig. 1, the wing plate 3 is fixed to the first fixing hole 12 and the second fixing hole 22 by fasteners, which may be screws or bolts 5.
As shown in fig. 1, 5 and 6, the fixing member 4 comprises a base plate 40 and a spike 41, wherein the spike 41 is welded to the bottom of the base plate 40, and a second pin hole 42 connectable to the second pin seat 20 is formed in the upper portion of the base plate 40; the second pin hole 42 on the concrete base plate 40 is connected with the second pin seat 20 on the pillar 2 through the bolt 5 or a pin, and then the sharp nail 41 is stably inserted into a mountain body to complete the assembly of the whole avalanche protection device; when selecting materials, the upright post 1, the support post 2 and the wing plate 3. The fixing pieces 4 are all made just before, and meet enough strength, and the specific model and size are determined according to the design requirements of avalanche protection.
This avalanche protector is by stand 1, the triangular pyramid avalanche protector that constitutes is connected to two pillars 2 and pterygoid lamina 3, the relative square of triangular pyramid can improve protector shock resistance, connect stand 1 on the mountain predetermined concrete piece 6 through first key seat 10, connect mounting 4 through second key seat 20, fix two pillars 2 on the mountain through sharp nail 41, it is simple and easy to have the construction, triangular pyramid protector is connected with the locating piece of mountain and sharp nail 41 mounting 4 and makes reinforcement stability promote, whole protector comprises a small number of part equipment, therefore still conveniently remove the change place.
When an avalanche disaster occurs, snow sliding from the upper part of a mountain body collides with an avalanche protection device in a static state, the collision time is short, the inertia is large, snow energy is guided to be released when snow is blocked by the wing plates 3, the upright post 1 forming the protection device is fixed on the mountain body, the support post 2 is stably fixed on the mountain body through the sharp nail 41 to form a triangular pyramid shape, the strength is large enough, the avalanche is blocked to reduce the speed and reduce the energy, the wing plates 3 of the protection device can partially disperse the avalanche snow, the energy of the avalanche is further weakened, the avalanche stops at the position far away from the road, and the effect of protecting the road from being buried by the avalanche is achieved.
Example 2: referring to fig. 1, compared with embodiment 1, the difference is that the wing plate 3 is arranged in a trapezoidal shape, and the object passing holes 30 are uniformly distributed on the wing plate, the number of the object passing holes 30 meets 25% -35% of the air permeability of the wing plate 3, the trapezoidal wing plate 3 can optimize the snow body dispersing effect when avalanche occurs, the arrangement of the object passing holes 30 meets the effect of stopping the snow body for energy dissipation, and the snow body transmittance is increased, so that the energy of the snow body suffered by the wing plate 3 in unit time can be reduced, the stability of the whole protection device when avalanche occurs is improved, and the impact resistance is further improved; in addition, in summer, the object passing holes 30 can be ventilated, so that the wind resistance of the windward side of the wing plates 3 is reduced, and the stability of the protection device in strong wind weather is ensured.
Example 3: referring to fig. 1, compared with the embodiment 1, the difference is that the height of the wing plate 3 is 50-80 cm, the thickness is 0.5-1 cm, the diameter of the object passing hole 30 is 3-4 cm, and the wing plate 3 has better snow removal potential energy and ventilation effect under the parameter; the diameter of the base plate 40 is larger than that of the upright post 1 and the support post 2, and the length of the sharp nail 41 is not less than 5 cm; the concrete block 6 is pre-buried in the buffer avalanche region determined by investigation, and part of the first pin seat 10 is pre-buried in the center of the upper surface of the concrete block 6.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.