CN219974526U - Courtyard falling stone protection device - Google Patents

Abstract

The utility model belongs to the technical field of mine operation equipment, and discloses a falling rock protection device for a courtyard, which is arranged in the courtyard and is close to the top, and comprises a circular platform beam, wherein the cross section of the platform beam is L-shaped, at least three telescopic supporting legs are uniformly arranged around the platform beam, each telescopic supporting leg comprises a hinging seat and an adjusting screw, the center of the bottom of each hinging seat is provided with a rotating shaft, and the falling rock protection device is arranged right above a rock drilling platform, so that workers are safer during rock drilling operation; the protection net piece is used as a main protection facility, so that the perspective is good, the rock drilling operation is not influenced, and the protection net piece is designed into a structure convenient to disassemble and assemble, and is convenient to maintain and replace; through setting up flexible supporting leg, but its length of overall regulation to adapt to this courtyard falling rock protector and courtyard rock wall's around the cooperation position through changing the overall length of flexible supporting leg, make it accord with the requirement of safe operation standard.

Description

Courtyard falling stone protection device

Technical Field

The utility model relates to the technical field of mine operation equipment, in particular to a courtyard falling stone protection device.

Background

The raise tunneling anchor rod suspension platform method is a common raise construction method and is generally suitable for raise construction with height less than 15 m. According to the specification of nonferrous metal mine roadway engineering construction standard GB50653-2011, the raise tunneling anchor rod suspension platform method is a raise tunneling method in which anchor rods are arranged on a well wall at a position about 2.5m away from a raise working face to suspend a rock drilling working platform, and the platform extends along with the extension of a raise.

In a particular operation, personnel are required to lift a ladder secured by a borehole wall anchor to a manhole, and tools, materials, etc. are lifted to a working point by ropes. The platform is dismantled before each blasting, and forced ventilation after blasting reaches the safety regulation. Before the rock drilling is restored after the ballasting is finished, after safety confirmation such as ventilation detection, well wall pumice treatment and the like, the anchor rod suspension working platform is extended and built again, and the next circulation operation is started.

However, in the existing construction method, the top of the patio is not protected, the working platform is 2.5m away from the top plate of the patio, and in the rock drilling or advanced support process, due to vibration, soaking in construction water and other reasons, the rock at the top of the patio is at risk of collapsing, so that the safety operation is affected, and therefore, the top of the patio is required to be protected.

Disclosure of Invention

The utility model aims to solve the problems of the prior art and provide the patio falling stone protection device which has the advantages of high structural safety level, simple disassembly and assembly, easy adjustment, convenient maintenance and replacement and the like, and effectively solves the technical problems that the rock at the top of the patio is in collapse risk and affects the safe operation due to vibration, soaking in construction water and the like in the prior art, so that the top of the patio is necessary to be protected.

The utility model is realized in the following way:

the utility model provides a courtyard falling stone protector, sets up in the courtyard and be close to top department, including being annular platform roof beam, the transversal L shape that personally submits of platform roof beam, evenly be provided with three piece at least flexible supporting legs all around of platform roof beam, flexible supporting legs include articulated seat and adjusting screw, the bottom central authorities of articulated seat are provided with the pivot, articulated seat passes through the pivot with the lateral wall of platform roof beam rotates to be connected, articulated seat with be connected through buffer gear between the adjusting screw, adjusting screw's external screw thread connection has telescopic tube, telescopic tube's one end fixedly connected with quick clamp assembly, the rock wall all around the courtyard corresponds each flexible supporting leg all is provided with the anchor pole, quick clamp assembly with the anchor pole joint is fixed, evenly be provided with multiunit spacing post all around of platform roof beam inner wall bottom, the protection net piece has been placed at the top of platform roof beam, the protection joint in between each group spacing post.

In one embodiment of the utility model, the buffer mechanism comprises a buffer rod, the left end of the buffer rod is hinged with the hinge seat, a sliding hole is formed in the middle of the left end of the adjusting screw, a buffer spring is sleeved on the surface of the buffer rod, the right end of the buffer rod is inserted into the sliding hole and fixedly connected with a baffle plate, the left end of the adjusting screw is detachably and fixedly connected with a sealing plate, and two ends of the buffer spring are respectively abutted against the baffle plate and the sealing plate.

In one embodiment of the utility model, the protection net is made of round steel by transverse and vertical staggered welding, each group of limiting columns are arranged side by side, and the protection net is clamped between the two limiting columns through the round steel and fixed with the platform beam.

In one embodiment of the utility model, an adjusting nut is fixedly connected to the surface of the adjusting screw near the left end, and a plurality of poking holes are uniformly formed on the peripheral surface of the adjusting nut.

In one embodiment of the utility model, the angle of wedging the anchoring rod downwards into the patio rock wall is 5-10 degrees, and the angle between the telescopic supporting leg and the vertical direction is not more than 45 degrees.

In one embodiment of the utility model, a reinforcing boss is fixedly connected to the periphery of the outer wall of the platform beam and corresponds to the bottom of each hinge seat, and the reinforcing boss is tightly attached to the bottom of each hinge seat.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the falling stone protection device is arranged right above the rock drilling platform, so that workers are safer during rock drilling operation; the protection net piece is used as a main protection facility, so that the perspective is good, the rock drilling operation is not influenced, and the protection net piece is designed into a structure convenient to disassemble and assemble, and is convenient to maintain and replace; and the length of the telescopic supporting legs can be integrally adjusted by arranging the telescopic supporting legs, so that the telescopic supporting legs are changed to adapt to the matching positions of the courtyard falling rock protection device and rock walls around the courtyard, and the telescopic supporting legs meet the requirements of safety operation standards.

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 embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic plan sectional view of a telescoping support leg;

fig. 4 is a schematic view of the mounting structure of the present utility model.

Reference numerals illustrate: 1. a platform beam; 11. a limit column; 12. reinforcing the boss; 2. a protective mesh; 3. a telescoping support leg; 31. a rotating shaft; 32. a hinge base; 33. an adjusting nut; 34. adjusting a screw; 341. a sliding hole; 35. a telescoping tube; 36. a quick clamp assembly; 37. a buffer mechanism; 371. a sealing plate; 372. a buffer rod; 373. a buffer spring; 374. a baffle; 4. a patio; 5. an anchor rod.

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 embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples

Referring to fig. 1-4, the utility model provides a falling stone protection device for a courtyard, which is arranged in a courtyard 4 and is close to the top, and comprises a circular platform beam 1, wherein the cross section of the platform beam 1 is L-shaped, at least three telescopic supporting legs 3 are uniformly arranged around the platform beam 1, each telescopic supporting leg 3 comprises a hinging seat 32 and an adjusting screw 34, a rotating shaft 31 is arranged at the center of the bottom of the hinging seat 32, the hinging seat 32 is rotatably connected with the side wall of the platform beam 1 through the rotating shaft 31, the hinging seat 32 is connected with the adjusting screw 34 through a buffer mechanism 37, a telescopic sleeve 35 is connected with the outer thread of the adjusting screw 34, one end of the telescopic sleeve 35 is fixedly connected with a quick clamping assembly 36, the rock walls around the courtyard 4 are respectively provided with an anchor rod 5 corresponding to the telescopic supporting legs 3, the quick clamping assembly 36 is fixedly clamped with the anchor rods 5, a plurality of groups of limiting posts 11 are uniformly arranged around the bottom of the inner wall of the platform beam 1, a protection net piece 2 is arranged at the top of the platform beam 1, and the protection net piece 2 is clamped between each group of limiting posts 11.

In one embodiment of the present utility model, further, the buffer mechanism 37 includes a buffer rod 372, the left end of the buffer rod 372 is hinged to the hinge seat 32, a sliding hole 341 is formed in the middle of the left end of the adjusting screw 34, a buffer spring 373 is sleeved on the surface of the buffer rod 372, the right end of the buffer spring 373 is inserted into the sliding hole 341 and fixedly connected with a baffle 374, the left end of the adjusting screw 34 is detachably and fixedly connected with a sealing plate 371, and two ends of the buffer spring 373 respectively collide with the baffle 374 and the sealing plate 371.

Specifically, the raise falling stone protection device is arranged, at least three telescopic supporting legs 3 are arranged around the platform beam 1 to keep the stability and firmness of the whole structure, the telescopic supporting legs 3 can rotate by 360 degrees along the rotating shafts 31 arranged radially on the platform beam 1, meanwhile, the telescopic supporting legs 3 can rotate along the hinging positions by hinging the hinging seats 32 and the adjusting screws 34, so that the posture of the telescopic supporting legs 3 can be flexibly adjusted, an operator can conveniently and quickly connect and fix the quick clamp assembly 36 at the top end of the telescopic supporting legs with the anchoring rods 5, meanwhile, the adjusting screws 34 are used as main rods, the telescopic sleeves 35 are connected with the outer parts of the main rods through threads, and the screw positions of the telescopic sleeves 35 and the adjusting screws 34 are changed through rotating the telescopic sleeves 34, so that the integral length of the telescopic supporting legs 3 is changed to adapt to the matching positions of the raise falling stone protection device and the raise falling stone protection device 4;

meanwhile, in order to further improve the falling-stone-preventing performance of the falling-stone protection device for the patio, the buffer mechanism 37 is arranged between the hinged seat 32 and the adjusting screw 34, the buffer mechanism 37 is used for further absorbing the impact force generated when falling stones fall down, so that the protection net piece 2 is assisted to block the impact force of falling stones, specifically, one end of the buffer rod 372 is hinged with the hinged seat 32, the other end of the buffer rod 372 is inserted into the sliding hole 341 formed in the left end of the adjusting screw 34, the buffer spring 373 is sleeved on the surface of the adjusting screw 34, the baffle 374 is arranged at the right end of the adjusting screw 34, and the buffer rod 372 is prevented from falling out of the sliding hole 341 through the threaded connection of the sealing plate 371 at the left end of the adjusting screw 34, so that the impact force generated when falling stones fall down on the protection net piece 2 is transmitted to the buffer rod 372, and part of the impact force is counteracted through the buffer rod 372 in a mode that the baffle 374 extrudes the buffer spring 373, the protection net piece 2 is effectively protected while the falling stones are buffered, deformation even due to the falling-stone impact force is excessively is prevented, and the falling-off condition is prolonged, and the safety equipment is prolonged.

In one embodiment of the present utility model, further, the protection net 2 is made of round steel by transverse and vertical staggered welding, each group of limiting columns 11 are two and arranged side by side, and the protection net 2 is clamped between the two limiting columns 11 through the round steel and fixed with the platform beam 1.

Specifically, the protection net piece 2 adopts round steel to interweave the welding to make in the horizontal and vertical, and the periphery utilizes thicker round steel to enclose into circular shape's strengthening ring and consolidates, simultaneously, for convenient maintenance change protection net piece 2, design it into detachable structural style, through the clamping point that corresponds protection net piece 2 net strip structure's position department all around in platform roof beam 1 inner wall bottom sets up multiunit spacing post 11, two spacing posts 11 are a set of with a round steel card go into wherein, thereby prevent that the courtyard 4 top from realizing the whereabouts from smashing protection net piece 2 and drop the risk that causes the incident from platform roof beam 1 middle part after deformation.

In one embodiment of the utility model, further, the surface of the adjusting screw 34 is fixedly connected with the adjusting nut 33 near the left end, the periphery surface of the adjusting nut 33 is uniformly provided with a plurality of poking holes, and when the patio falling stone protection device is installed, an operator can screw the adjusting screw 34 through a spanner, so that the whole length of the telescopic supporting leg 3 is conveniently and rapidly adjusted, the posture of the protection net piece 2 is ensured to meet the design and installation requirements and the construction operation specification of the patio 4, the operator can conveniently install equipment, and the operator can insert a lighter and smaller tool piece into the poking holes to adjust the length by carrying the poking holes through arranging the adjusting screw 33 at the left end of the adjusting screw 33, so that the labor burden of the operator in the installation process is further reduced.

In one embodiment of the utility model, the angle of wedging the anchoring rod 5 downwards into the wall of the patio 4 is 5-10 deg., the angle of the telescopic support leg 3 with the vertical is not more than 45 deg..

Specifically, the protection device is matched with the anchoring rods 5 for use, four anchoring rods 5 are symmetrically arranged on the same horizontal plane at a certain distance below the top of the courtyard 4 in advance, the holes of the anchoring rods 5 incline downwards by 5-10 degrees (the anchoring ends are downwards), the anchoring rods 5 are firmly arranged and cannot rotate, and the outcrop of the anchoring rods 5 is 100-150 mm; the pulling resistance of the single anchoring rod 5 is 55KN, four suspension anchoring rods 5 are constructed on each platform, the total pulling resistance is controlled at 220KN, the weight of a cubic collapsed rock is about 30KN, the safety coefficient is 7.3, the safety bearing requirement is met, the protection device is connected with the anchoring rods 5 through quick clamping assemblies 36, the total length of the telescopic supporting legs 3 is adjusted through rotating adjusting screws 34, the protection net piece 2 completely covers the top range of the courtyard 4, and the included angle between the telescopic supporting legs 3 and the vertical direction is not more than 45 degrees during use so as to ensure the bearing safety of the protection net piece.

In one embodiment of the utility model, further, reinforcing bosses 12 are fixedly connected to the periphery of the outer wall of the platform beam 1 and the bottoms of the hinge seats 32, the reinforcing bosses 12 are tightly attached to the bottoms of the hinge seats 32, and arc gaps between the hinge seats 32 and the platform beam 1 are filled by arranging the reinforcing bosses 12, so that shearing force generated by falling rock impact force on the rotating shaft 31 is effectively prevented, the telescopic supporting legs 3 are reinforced at the movable joints, and the safety protection capability and the service life of the device are further improved.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a courtyard falling stone protector, sets up in courtyard (4) and be close to top department, its characterized in that, including being annular platform roof beam (1), the transversal L shape that personally submits of platform roof beam (1), evenly be provided with at least three flexible supporting leg (3) all around of platform roof beam (1), flexible supporting leg (3) are including articulated seat (32) and adjusting screw (34), the bottom central authorities of articulated seat (32) are provided with pivot (31), articulated seat (32) are passed through pivot (31) with the lateral wall rotation of platform roof beam (1) is connected, articulated seat (32) with be connected through buffer gear (37) between adjusting screw (34), the outside threaded connection of adjusting screw (34) has telescopic tube (35), one end fixedly connected with quick clamp assembly (36) of telescopic tube (35), rock wall all around courtyard (4) corresponds each flexible supporting leg (3) all are provided with anchor pole (5), quick clamp assembly (36) with anchor pole (5) are rotatable, be provided with multiunit roof beam (1) lateral wall rotation, evenly place top (1), the protection net piece (2) is clamped between each group of limiting columns (11).

2. The courtyard falling stone protection device according to claim 1, wherein the buffer mechanism (37) comprises a buffer rod (372), the left end of the buffer rod (372) is hinged to the hinge base (32), a sliding hole (341) is formed in the middle of the left end of the adjusting screw (34), a buffer spring (373) is sleeved on the surface of the buffer rod (372), the right end of the buffer spring is inserted into the sliding hole (341) and is fixedly connected with a baffle plate (374), a sealing plate (371) is detachably and fixedly connected to the left end of the adjusting screw (34), and two ends of the buffer spring (373) are respectively abutted to the baffle plate (374) and the sealing plate (371).

3. The courtyard falling stone protection device according to claim 2, wherein the protection net piece (2) is made of round steel by transverse and vertical staggered welding, each group of limiting columns (11) are two and arranged side by side, and the protection net piece (2) is clamped between the two limiting columns (11) through the round steel and is fixed with the platform beam (1).

4. A patio falling stone protection device according to claim 3, characterized in that an adjusting nut (33) is fixedly connected to the surface of the adjusting screw (34) and near the left end, and a plurality of poking holes are uniformly formed on the peripheral surface of the adjusting nut (33).

5. A patio falling stone protection device according to claim 4, characterized in that the angle of the anchoring rod (5) wedged downwards into the patio (4) is 5-10 °, the angle of the telescopic support leg (3) with the vertical is not more than 45 °.

6. The courtyard falling stone protection device according to claim 5, wherein reinforcing bosses (12) are fixedly connected to the periphery of the outer wall of the platform beam (1) and the bottoms of the hinge bases (32), and the reinforcing bosses (12) are tightly attached to the bottoms of the hinge bases (32).