CN114908774A - Dangerous rock slope protection structure and protection method for road engineering construction - Google Patents
Dangerous rock slope protection structure and protection method for road engineering construction Download PDFInfo
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- CN114908774A CN114908774A CN202210449353.4A CN202210449353A CN114908774A CN 114908774 A CN114908774 A CN 114908774A CN 202210449353 A CN202210449353 A CN 202210449353A CN 114908774 A CN114908774 A CN 114908774A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The invention discloses a dangerous rock side slope protection structure and a protection method for road engineering construction, and belongs to the technical field of road engineering. The protective structure comprises a protective net, a safety rope, a mounting pin, an operating pipe and a protective structure, wherein the protective net consists of a mounting frame and a woven net, and the woven net is mounted on the mounting frame; a plurality of mounting pins are arranged, one end of each mounting pin is provided with an operating pipe, and the mounting pins are detachably mounted on the mounting frame through safety ropes; the operating tube is internally provided with a protective mechanism in a sliding manner, one end of the safety rope is connected with the protective mechanism, and the other end of the safety rope passes through the installation frame and then is detachably connected with the operating tube. After the protective net is installed, when the external protective net with larger wind power drives the installation ropes to move, the installation ropes do not directly pull the installation pins any more, so that the acting force for pulling the installation pins is reduced, the installation pins can pull and fix the protective net more stably, and the long-term protection operation of the protective net on dangerous rocks is facilitated.
Description
Technical Field
The invention belongs to the technical field of road engineering, and particularly relates to a dangerous rock side slope protection structure and a protection method for road engineering construction.
Background
Road engineering usually carries out construction operation near a mountain, and in order to prevent dangerous rocks of the mountain from sliding down after being vibrated in the construction process to cause unnecessary loss, a protective net needs to be installed on the surface of the dangerous rocks to protect the dangerous rocks from sliding down;
because the dangerous rock surface on the massif is unsmooth, the protection network is difficult to be closely laminated with the dangerous rock, cause to have the clearance between protection network and the dangerous rock, under the effect of outside wind force, can cause the strong of protection network to rock, current protection network is at the in-process of installation, pass through the inflation screw fixation with the installation round pin on the wall of massif, carry out fixed connection with the protection network with the installation rope on the installation round pin again, but lack protection machanism on the connected mode of connection rope and protection network, the protection network is at the in-process of rocking, directly stimulate the installation round pin through connecting the rope, cause the protection network when using for a long time, the continuous easy installation round pin that makes drops of rocking, the protection network of being not convenient for is to the protection operation of dangerous rock.
For example, the Chinese patent application number is: 201922075830.1, filing date: 11 and 27 months in 2019, the name of the invention is: the utility model provides a rock slope protector for mine ecological remediation, is for improving the protective capacities to the mine slope rock, the inboard of guardrail is connected with the protection network, and the guardrail passes through buckle and protection network fixed connection, set nut's outside symmetry is provided with 4 location cassette, the inboard block of locating hole has the bayonet lock, the location cassette passes through bayonet lock and guardrail fixed connection. The clamping fixation of the guardrail and the positioning clamping seat is adopted in the application, and the positioning screw is used for fixing the guardrail on the rock, but the structure still easily causes the loosening of the screw and the rock in the long-term shaking and finally falls off.
For another example, the chinese patent application No. is: 202022762127.0, filing date: the invention is named as follows on the 25 th 11 th month in 2020: a slope protection device for rock-soil construction. This application includes the rock, an upper fixed plate and bottom plate, an upper fixed plate passes through bolt fixed mounting at the top of rock, a bottom plate passes through bolt fixed mounting in the outside of rock bottom, the spout has all been seted up with the both ends at bottom plate top to an upper fixed plate, the first slide bar of the equal fixedly connected with in inside of spout, the equal sliding connection in outside of first slide bar has first slider, first slider is close to the equal fixedly connected with second slider in one side of rock, an upper fixed plate all is provided with adjustment mechanism with one side of the inside of bottom plate and be located the second slider. This application compares in last patent, is equipped with slide bar, slider and adjustment mechanism between two locating plates from top to bottom, can improve fixed effect to a certain extent, but the structure of this application is comparatively complicated, and manufacturing cost is high, and it is comparatively inconvenient when the on-the-spot installation.
In view of this, there is an urgent need for a protection structure with simple structure, convenient installation, good protection effect and long service life, so as to protect the dangerous rocks for a long time.
Disclosure of Invention
1. Problems to be solved
Aiming at the defects of the existing dangerous rock protection structure, the invention provides a dangerous rock slope protection structure and a protection method for road engineering construction.
2. Technical scheme
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the invention aims to provide a dangerous rock side slope protection structure for road engineering construction, which comprises a protection net, installation ropes and installation pins, wherein the protection net comprises an installation frame and a woven net, the woven net is installed on the installation frame, a plurality of installation pins are arranged, an operation pipe is installed on each installation pin, and the installation ropes are fixedly connected to the operation pipes through protection mechanisms. The guard mechanism is slidably mounted within the handle tube. Through the optimized design of the protective structure, particularly the arrangement of the operating pipe and the protective mechanism, the tensile force of the protective net on the mounting pin can be effectively buffered, so that the acting force is ensured not to directly act on the mounting pin when the protective net shakes, and the phenomenon of looseness between the mounting pin and dangerous rocks is reduced.
As a further improvement of the present invention, the protection mechanism comprises a sliding plate slidably connected inside the operation tube and springs symmetrically installed on both sides of the sliding plate, specifically, the center of the sliding plate is fixedly connected to one end of a mounting rope penetrating through the operation tube, and both ends of each spring are fixedly connected to the sliding plate and the inner wall of the operation tube, so as to ensure that when the protection net is shaken, the safety rope directly pulls the sliding plate to slide inside the operation tube, thereby reducing the pulling force on the mounting pin, and more optimally, by setting the springs, on one hand, when the pulling force is applied, one side of the spring is compressed, and the other side of the spring is extended, so that the movement amplitude of the sliding plate can be effectively reduced, the operation of the mounting rope and the sliding plate is decelerated, the acting force of the protection net on the mounting pin during shaking process is reduced, so that the mounting pin can pull and fix the protection net more stably, the long-term protection operation of the protective net to the dangerous rocks is facilitated; on the other hand, when the sliding plate is used without tension, the position of the sliding plate is convenient to restore, and the sliding plate is positioned in the middle of the operation tube under the normal condition.
As a further improvement of the invention, the device also comprises a buffer mechanism, wherein the buffer mechanism comprises a plurality of circular grooves arranged on the sliding plate, damping fluid is filled in the operation pipe, and the circular grooves are used for conducting the damping fluid positioned at two sides of the sliding plate. More optimally, the circular groove is provided with a first one-way valve and a second one-way valve, the conduction direction of the first one-way valve is opposite to that of the second one-way valve, and the number of the first one-way valves is more than that of the second one-way valves. The arrangement of the circular groove and the damping liquid further improves the buffering effect, the loosening and falling conditions of the mounting pin are greatly reduced, the service life of the protective structure is further ensured, and the protective structure still has excellent protective effect after long-term use. In addition, in order to ensure better damping and buffering effects, the conduction direction of the first one-way valve is from one side of the sliding plate close to the mounting pin to one side of the sliding plate far away from the mounting pin, and the number ratio of the first one-way valve to the second one-way valve is 3: 1.
As a further improvement of the invention, an adjusting mechanism is arranged between the other end of the mounting rope, namely the end not connected with the protection mechanism, and the adjusting mechanism is detachably connected with the shell of the operating pipe, so that the distance between the mounting pin and the protective net can be conveniently adjusted, the whole protective net can be better attached to dangerous rocks for mounting, and the protective net has an excellent protection effect. Specifically, the adjusting mechanism comprises a rotating pin rotatably connected with the mounting rope, a mounting rod is fixed on the rotating pin, a thread strip is arranged on the side wall of the mounting rod, a thread groove is formed in the operating pipe, and the thread groove and the thread strip are arranged in a matched mode. More optimally, the side wall of the rotating pin is fixedly provided with anti-skidding lines, so that the rotating pin is convenient to twist during installation and is not easy to skid.
The second purpose of the invention is to provide a dangerous rock slope protection method for road engineering construction, the dangerous rock is protected by adopting the protection structure of the invention, and the concrete operation steps are as follows:
step one, determining the area of dangerous rocks to be protected, and designing protective nets with proper size and quantity; when the protective net is provided with a plurality of protective nets, partial or all protective nets can be spliced according to actual installation requirements, and then the protective nets are covered on dangerous rock surfaces needing protection.
Secondly, determining the number of proper mounting pins and the mounting positions of the mounting pins according to the characteristics of the dangerous rocks; specifically, the method for determining the number of the mounting pins comprises the following steps: comprehensively determining the number of mounting pins according to the splicing condition and the dangerous rock condition of the protective net, directly arranging the mounting pins at intervals on the frame of the protective net for fixing when the protective net is not spliced, arranging the mounting pins at intervals on the frame of the spliced whole net after the protective net is spliced, and arranging the mounting pins at intervals in the middle of the whole net according to the size of the protective area and the characteristics of dangerous rocks;
fixing the mounting pin and the dangerous rock, wherein the fixing method of the mounting pin and the dangerous rock comprises the following steps: and (4) forming a mounting hole matched with the mounting pin in size on the dangerous rock, and extruding and pushing the mounting pin into the mounting hole to finish limiting and fixing.
Step four, connecting the mounting pin with the mounting frame on the protective net; after wearing out the back from the installation frame through the installation rope one end on every mounting pin, according to the interval of dangerous rock shape adjustment mounting pin and installation frame, then will install the rope and be connected with the control tube, can accomplish the whole protection to dangerous rock.
Compared with the prior art, the protective structure has the advantages of simple structure, low manufacturing cost and good protective effect, particularly, the operating pipe, the protective mechanism and the buffer mechanism are arranged, so that the fixing of the mounting pin can be effectively protected, the protective net is prevented from shaking and being damaged excessively, and compared with a conventional protective device, the protective structure has longer service life and is convenient for long-term protective operation.
When the protective net is installed and used, the protective net is protected against dangerous rocks by arranging the adjusting mechanism, the rotating pin is rotated when the protective net is required to be closer to the mounting pin, the rotating pin is made to move on the thread groove, the protective net is pulled to be closer to the mounting pin, the adjusting mechanism is formed, the distance between the protective net and the mounting pin is convenient to adjust, and the protective net is further convenient to install.
Drawings
FIG. 1 is a schematic view of the overall appearance structure of a dangerous rock slope protection structure for road engineering construction according to the present invention;
FIG. 2 is a schematic view of the internal structure of the operation tube according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is an enlarged view at C in fig. 4.
In the figure:
1. a protective net; 101. weaving a net; 102. a mounting frame; 2. operating the tube; 3. mounting a pin; 4. installing a rope; 5. an adjustment mechanism; 501. a rotation pin; 502. mounting a rod; 503. a threaded strip; 504. a thread groove; 6. a protection mechanism; 601. a sliding plate; 602. a spring; 7. a buffer mechanism; 701. a circular groove; 702. a first check valve; 703. a second one-way valve; 704. and (4) damping fluid.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
It should be noted that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the scope of the present invention.
Example 1
The dangerous rock side slope protection structure for road engineering construction comprises a protection net 1, a safety rope 4 and a mounting pin 3, and compared with a traditional protection device, the dangerous rock side slope protection structure for road engineering construction further comprises an operation pipe 2 and a protection structure 6. Specifically, as shown in fig. 1 and 2, the protection net 1 is composed of a mounting frame 102 and a woven net 101, the woven net 101 is mounted on the mounting frame 102, and the mounting frame 102 and the woven net 101 are made of an existing conventional protection net for dangerous rocks. The mounting frame 102 is integrally of a rectangular structure, four corners are machined to form fillet transition, when in actual design, the mounting frame 102 is not limited to be rectangular, and can be in any shape, and the mounting frame 102 is designed to be rectangular for convenience in description and convenience in subsequent machining in combination with a drawing, meanwhile, the size of the mounting frame 102 can be reasonably designed according to the dangerous rock area to be protected, the size of the mounting frame is not limited, the mesh grid 101 on the protective net 1 is designed conventionally, the size of the holes can be designed according to specific conditions, if the rockfall is large, the size of the holes can be designed to be larger, and if the rockfall is small, the size of the holes is designed to be smaller relatively.
The mounting pin 3 is provided with a plurality ofly, and equal fixed mounting is on the dangerous rock, and every mounting pin 3 structure is the same, processes to L type structure, and wherein the operating tube 2 is installed to one end, and the other end is fixed with the dangerous rock. Slide in the operation pipe 2 and be equipped with protection machanism 6, installation rope 4 one end runs through the setting of operation pipe 2, and should be located the inside tip of operation pipe 2 and fixed linking to each other with protection machanism 6, and the other end of safety rope 4 passes installation frame 102 back and can dismantle with operation pipe 2 shell top again and be connected. Through the optimized design of the protective structure, particularly the arrangement of the operating pipe 2 and the protective mechanism 6, the tensile force of the protective net 1 on the mounting pin 3 can be effectively buffered, so that the acting force is ensured not to directly act on the mounting pin 3 when the protective net 1 shakes, and the phenomenon of looseness between the mounting pin 3 and dangerous rocks is reduced.
Preferably, the end of the mounting rope 4 is connected to the top of the housing of the operation tube 2 by an adjusting mechanism, so that the mounting pin 3 can be detachably mounted on the mounting frame 102 through the operation tube 2 and the safety rope 4. On the other hand, an adjusting mechanism is provided between the safety rope 4 and the operation pipe 2 in order to adjust the distance between the protection net 1 and the mounting pin 3, so that the practicability is good, and the mounting of the protection net 1 is further facilitated.
The structure and installation of the guard mechanism 6 will be described below:
the guard mechanism 6 of the present invention mainly includes a slide plate 601 and a spring 602, and the slide plate 601 is slidably connected to the inside of the operation tube 2 as a whole and can slide up and down along the longitudinal direction of the operation tube 2. The center of the sliding plate 601 is fixedly connected to the end of the installation rope 4, and two sides of the sliding plate 601 (taking the orientation in fig. 5 as an example, namely, the upper and lower sides of the sliding plate 601) are both fixed with springs 602, and two ends of the two springs 602 are respectively fixedly connected to the sliding plate 601 and the inner wall of the operation tube 2, as shown in fig. 5, the spring 602 located at the upper side of the sliding plate 601 is sleeved on the safety rope 4, the top of the spring is fixedly connected to the top wall of the operation tube 2, the bottom of the spring is fixedly connected to the upper surface of the sliding plate 601, similarly, the top of the spring 602 located at the lower side of the sliding plate 601 is fixedly connected to the lower surface of the sliding plate 601, and the bottom of the spring is fixedly connected to the bottom wall of the operation tube 2. Through the setting of sliding plate 601 and spring 602, after the installation of protection network 1 is accomplished, it is great when outside wind-force, it rocks to drive protection network 1, protection network 1 drives sliding plate 601 through installation rope 4 and slides in the inside of control tube 2, at the gliding in-process of sliding plate 601, elasticity that the atress through spring 602 warp the production slows down the operation of installation rope 4, and protection network 1 drives the in-process of installation rope 4 motion, installation rope 4 no longer directly stimulates mounting pin 3, the effort of protection network 1 process of rocking to mounting pin 3 pulling has been reduced, it is fixed to pull protection network 1 that messenger mounting pin 3 can be more stable, be convenient for protection network 1 to the long-term protection operation of dangerous rock.
Example 2
The road engineering construction of this embodiment is with dangerous rock side slope protective structure, its structure is basically the same as embodiment 1, and its main difference lies in: the protection mechanism 6 is further provided with a buffer mechanism 7, the buffer mechanism 7 comprises a plurality of circular grooves 701 arranged on the sliding plate 601, the operating pipe 2 is filled with damping fluid 704, and the circular grooves 701 are used for conducting the damping fluid on two sides of the sliding plate 601. Specifically, the circular groove 701 is internally provided with a check valve, the check valve mainly comprises a first check valve 702 and a second check valve 703, it should be noted that the first check valve 702 and the second check valve 703 are distributed at equal intervals along the circumference of the sliding plate 601, the number of the first check valves 702 is more than that of the second check valves 703, and a plurality of the first check valves 702 or the second check valves 703 are distributed at equal intervals along the first check valves 702 or the second check valves 703.
The conducting direction of the first check valve 702 is opposite to the conducting direction of the second check valve 702, and the conducting direction of the first check valve 702 is from the side of the sliding plate 601 close to the mounting pin 3 to the side far away from the mounting pin 3 (i.e. from the lower side to the upper side of the sliding plate 601, correspondingly, the conducting direction of the second check valve 702 is from the upper side to the lower side of the sliding plate 601). In the process that the protective net 1 pulls the sliding plate 601 to slide through the installation rope 4, the damping liquid 704 is filled in the operation pipe 2, when each circular groove 701 on the sliding plate 601 passes through the damping liquid 704, because the conduction direction of the first check valve 702 is from the lower end to the upper end of the sliding plate 601, and the conduction direction of the second check valve 703 is that the first check valve 702 is arranged oppositely, and because the number of the first check valves 702 is larger than that of the second check valves 703 (optimally, the number ratio of the first check valves 702 to the second check valves 703 is 3:1), when the installation rope 4 pulls the sliding plate 601 to move, the damping liquid 704 only passes through a small number of the second check valves, so that a huge damping effect is generated, the buffer mechanism 7 in the shaking process of the protective net 1 on the installation rope 4 is formed, and damage caused by over-shaking of the protective net 1 is effectively avoided. When the protective net 1 slowly shakes, the sliding plate 601 is reset under the action of the spring 602, and in the resetting process, the damping fluid 704 passes through the plurality of first one-way valves 702, so that the resetting speed of the sliding plate 601 is increased, and the continuous protection operation of the protective net 1 is further facilitated.
Example 3
The road engineering construction of this embodiment is with dangerous rock side slope protective structure, its structure is basically the same as embodiment 2, and its main difference lies in: the adjusting mechanism 5 comprises a rotating pin 501 rotatably connected to one end of the installation rope 4, and the rotating pin 501 is rotatably installed on the installation rope 4, so that the position of the rotating pin 501 on the installation rope 4 can be conveniently adjusted, and the installation distance between the operation pipe 2 and the installation rope 4 can be adjusted. A mounting rod 502 is fixed on the rotating pin 501, a thread strip 503 is arranged on the outer side wall of the mounting rod 502, a thread groove 504 is formed on the operating tube 2, and the thread groove 504 and the thread strip 503 are arranged in a matching manner. During the installation, when the protection network 1 needs to be closer to the mounting pin 3, rotate the rotating pin 501, move it upwards on the installation rope 4, the pulling protection network 1 is closer to the mounting pin 3, then the installation rope 4 is fixedly connected with the rotating pin 501, the rotating pin 501 is screwed to be connected with the threaded strip 503 on the mounting rod 502 and the threaded groove 504 in a meshed mode, the fixing is completed, the setting through the adjusting mechanism 5 is realized, the distance between the protection network 1 and the mounting pin 3 is convenient to adjust, and the installation of the protection network 1 is further more convenient. More optimally, the side wall of the rotating pin 501 is fixed with anti-slip threads, so that the friction force is improved, and the rotating operation of the rotating pin 501 is facilitated.
The invention relates to a dangerous rock slope protection method for road engineering construction, which adopts the protection structure to protect dangerous rocks and comprises the following specific operation steps:
firstly, determining the area of dangerous rocks to be protected, and designing protective nets 1 with proper size and quantity;
when a plurality of protective nets 1 need to be arranged, part or all of the protective nets 1 can be spliced according to actual installation requirements, and then the protective nets are covered on the dangerous rock surface needing protection.
Secondly, determining the number of the proper mounting pins 3 and the mounting positions and the mounting number of the mounting pins 3 according to the characteristics of the dangerous rocks; whether a plurality of protective nets 1 need to be spliced or not is determined according to the area of dangerous rocks needing protection, when the protective nets 1 do not need to be spliced, after the protective nets 1 are laid according to the dangerous rock conditions, the mounting pins 3 are arranged on the mounting frames 102 of the protective nets 1 at intervals, the mounting pins 3 are determined at intervals according to the weathering condition of actual dangerous rocks, the weathering degree is higher, the number of the mounting pins 3 can be properly increased, and the protective nets 1 and the dangerous rocks are connected more tightly. When a plurality of protection networks 1 of needs concatenation, can set up the installation round pin 3 at the frame department interval of the whole net after the concatenation, meanwhile, when protective area is too big, also can set up a plurality of installation round pin 3 in whole net middle part according to dangerous rock topography circumstances and consolidate, especially lay whole net on comparatively precipitous time rock mass, not only need set up installation round pin 3 in frame department and fix, still need set up a plurality of installation round pin at the middle part of dictyosome and consolidate, thereby make whole dictyosome pocket the massif better, prevent that the rock mass from long-term weathering rockfall.
Step three, fixing the mounting pin 3 with the dangerous rock, wherein the fixing method of the mounting pin 3 with the dangerous rock is as follows: firstly, a mounting hole matched with the mounting pin 3 in size is formed in the dangerous rock, and the mounting pin 3 is pushed into the mounting hole in an extruding mode to complete limiting and fixing.
Step four, connecting the mounting pin 3 with the mounting frame 102 on the protection net 1;
after wearing out installation rope 4 one end from installation frame 102, according to the different positions of rational adjustment department's of dangerous rock situation interval 3 and installation frame 102, when the dangerous rock morals and manners degree is higher, reduce the interval of installation pin 3 and installation frame 102, make protection network 1 more press close to the dangerous rock, then in the thread groove 504 at operation tube 2 top is twisted with the rotating pin 501 of installation rope 4 tip, accomplish being connected of installation rope 4 and operation tube 2, and then accomplish the fixed of installation pin 3 and protection network 1, finally accomplish the whole protection of dangerous rock.
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.
Claims (10)
1. The utility model provides a road engineering construction is with dangerous rock side slope protective structure, includes protection network (1), safety rope (4) and fitting pin (3), its characterized in that: the protective net (1) is composed of an installation frame (102) and a woven net (101), and the woven net (101) is installed on the installation frame (102); the installation pins (3) are arranged in a plurality, one end of each installation pin (3) is provided with an operation pipe (2), and the operation pipes are detachably installed on the installation frame (102) through safety ropes (4); a protection mechanism (6) is arranged in the operating pipe (2) in a sliding mode, one end of a safety rope (4) is connected with the protection mechanism (6), and the other end of the safety rope (4) penetrates through the installation frame (102) and then is detachably connected with the operating pipe (2); when the protective net (1) shakes, the protective mechanism (6) is used for buffering the tension of the safety rope (4) on the mounting pin (3).
2. The dangerous rock side slope protection structure for road engineering construction according to claim 1, characterized in that: the protection mechanism (6) comprises a sliding plate (601) and a spring (602), the sliding plate (601) is connected inside the operating pipe (2) in a sliding mode, and the center of the sliding plate is fixedly connected with the end part of the installation rope (4); the two springs (602) are respectively positioned at two sides of the sliding plate (601), and two ends of each spring (602) are respectively fixedly connected with the sliding plate (601) and the inner wall of the operating pipe (2).
3. The dangerous rock side slope protection structure for road engineering construction according to claim 2, characterized in that: the damping device is characterized by further comprising a buffering mechanism (7), wherein the buffering mechanism (7) comprises a plurality of circular grooves (701) formed in the sliding plate (601) and damping fluid (704) filled in the operating pipe (2), and the circular grooves (701) are used for conducting the damping fluid on two sides of the sliding plate (601).
4. The dangerous rock side slope protection structure for road engineering construction according to claim 3, characterized in that: each circular groove (701) is provided with a first one-way valve (702) and a second one-way valve (703), the conduction direction of the first one-way valves (702) is opposite to that of the second one-way valves (702), and the number of the first one-way valves (702) is more than that of the second one-way valves (703).
5. The dangerous rock side slope protection structure for road engineering construction according to claim 4, characterized in that: the conducting direction of the first one-way valve (702) is from one side of the sliding plate (601) close to the mounting pin (3) to one side far away from the mounting pin (3), and the number ratio of the first one-way valve (702) to the second one-way valve (703) is 3: 1.
6. The dangerous rock side slope protection structure for road engineering construction according to any one of claims 1-5, characterized in that: the other end of the installation rope (4) penetrates through the operation pipe (2) and is connected with the operation pipe (2) through the adjusting mechanism (5).
7. The dangerous rock side slope protection structure for road engineering construction according to claim 6, wherein the adjusting mechanism (5) comprises a rotating pin (501) installed on the installation rope (4), an installation rod (502) is fixed on the rotating pin (501), a thread strip (503) is arranged on the side wall of the installation rod (502), a thread groove (504) is formed in the operation pipe (2), and the thread groove (504) and the thread strip (503) are matched with each other.
8. The dangerous rock side slope protection structure for road engineering construction as claimed in claim 7, wherein the side wall of the rotation pin (501) is fixed with anti-skid veins.
9. A dangerous rock side slope protection method for road engineering construction is characterized by comprising the following steps: the protection structure of any one of claims 1 to 8 is adopted for protection, and the specific operation steps are as follows:
step one, determining the area of dangerous rocks to be protected, and designing protective nets (1) with proper size and quantity;
secondly, determining the number of the proper mounting pins (3) and the mounting positions of the mounting pins (3) according to the characteristics of the dangerous rocks;
step three, fixing the mounting pin (3) with the dangerous rock;
and step four, connecting the mounting pin (3) with the mounting frame (102) on the protective net (1), namely finishing the integral protection of dangerous rocks.
10. The method for protecting the dangerous rock slope for road engineering construction according to claim 9, wherein the method comprises the following steps:
in the first step, a plurality of protective nets (1) are arranged, and the protective nets (1) are spliced;
in the second step, the method for determining the number and the mounting positions of the mounting pins (3) comprises the following steps: comprehensively determining the number of the mounting pins (3) according to the splicing condition and the dangerous rock condition of the protective net (1), directly arranging the mounting pins (3) at intervals on the frame of the protective net (1) for fixing when the protective net (1) is not spliced, arranging the mounting pins (3) at intervals on the frame of the spliced whole net after the protective net (1) is spliced, and arranging the mounting pins (3) in the middle of the whole net according to the size of a protection area and the characteristics of dangerous rocks;
in the third step, the fixing method of the mounting pin (3) and the dangerous rock comprises the following steps: arranging a mounting hole matched with the mounting pin (3) in size on the dangerous rock, and extruding and pushing the mounting pin (3) into the mounting hole to finish limiting and fixing;
in the fourth step, after one end of the installation rope (4) penetrates out of the installation frame (102), the distance between the installation pin (3) and the installation frame (102) is adjusted according to the shape of the dangerous rock, and the installation rope (4) is connected with the operation pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210449353.4A CN114908774A (en) | 2022-04-24 | 2022-04-24 | Dangerous rock slope protection structure and protection method for road engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210449353.4A CN114908774A (en) | 2022-04-24 | 2022-04-24 | Dangerous rock slope protection structure and protection method for road engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114908774A true CN114908774A (en) | 2022-08-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210449353.4A Pending CN114908774A (en) | 2022-04-24 | 2022-04-24 | Dangerous rock slope protection structure and protection method for road engineering construction |
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| CN (1) | CN114908774A (en) |
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| KR200346218Y1 (en) * | 2003-12-23 | 2004-03-30 | 주식회사 덕원 | The thing device which tightens a wire rope of falling rock prevention pence |
| CN102587396A (en) * | 2012-04-06 | 2012-07-18 | 长沙理工大学 | Anti-seismic flexible passive protecting screen system for side slope |
| CN210597337U (en) * | 2019-06-25 | 2020-05-22 | 安徽皖宏建筑工程有限公司 | Roadbed slope protection structure of renewable asphalt highway |
| CN211898442U (en) * | 2019-11-27 | 2020-11-10 | 平阴山水水泥有限公司 | Rock slope protection device for mine ecological restoration |
| CN213389781U (en) * | 2020-07-22 | 2021-06-08 | 河北古瑞园林古建筑工程有限公司 | Engineering slope supporting structure capable of avoiding rock-soil sliding |
| CN213709240U (en) * | 2020-11-13 | 2021-07-16 | 安平县祥明网业制品有限公司 | Ramp mud-rock flow protection network for preventing soil erosion and water loss |
| CN214729627U (en) * | 2021-04-23 | 2021-11-16 | 成都智工电子科技有限责任公司 | Laser sensing unmanned aerial vehicle protection device |
| CN114108665A (en) * | 2021-12-08 | 2022-03-01 | 中铁十局集团青岛工程有限公司 | Tunnel side slope and heading slope supporting system |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR200346218Y1 (en) * | 2003-12-23 | 2004-03-30 | 주식회사 덕원 | The thing device which tightens a wire rope of falling rock prevention pence |
| CN102587396A (en) * | 2012-04-06 | 2012-07-18 | 长沙理工大学 | Anti-seismic flexible passive protecting screen system for side slope |
| CN210597337U (en) * | 2019-06-25 | 2020-05-22 | 安徽皖宏建筑工程有限公司 | Roadbed slope protection structure of renewable asphalt highway |
| CN211898442U (en) * | 2019-11-27 | 2020-11-10 | 平阴山水水泥有限公司 | Rock slope protection device for mine ecological restoration |
| CN213389781U (en) * | 2020-07-22 | 2021-06-08 | 河北古瑞园林古建筑工程有限公司 | Engineering slope supporting structure capable of avoiding rock-soil sliding |
| CN213709240U (en) * | 2020-11-13 | 2021-07-16 | 安平县祥明网业制品有限公司 | Ramp mud-rock flow protection network for preventing soil erosion and water loss |
| CN214729627U (en) * | 2021-04-23 | 2021-11-16 | 成都智工电子科技有限责任公司 | Laser sensing unmanned aerial vehicle protection device |
| CN114108665A (en) * | 2021-12-08 | 2022-03-01 | 中铁十局集团青岛工程有限公司 | Tunnel side slope and heading slope supporting system |
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