CN113931095A - Dangerous rock mass composite protection structure - Google Patents
Dangerous rock mass composite protection structure Download PDFInfo
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- CN113931095A CN113931095A CN202111068753.2A CN202111068753A CN113931095A CN 113931095 A CN113931095 A CN 113931095A CN 202111068753 A CN202111068753 A CN 202111068753A CN 113931095 A CN113931095 A CN 113931095A
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- rock mass
- steel cable
- wire rope
- fixedly connected
- dangerous rock
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
- E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
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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
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
- F16G11/12—Connections or attachments, e.g. turnbuckles, adapted for straining of cables, ropes, or wire
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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
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The embodiment of the application provides dangerous rock mass composite protection structure relates to dangerous rock mass protection field. The compound protective structure of danger rock mass includes: rock mass subassembly and protective screen subassembly. The steel wire rope on the winch piece is tightened, after the first steel wire rope is stressed and tensioned, the second rope buckle at the position of the second sleeve ring is gradually loosened, the second rope buckle is released by compressing the first steel wire rope until the second rope buckle is released, then the steel wire rope on the winch piece is tightened, the first steel wire rope is driven to be tightened, meanwhile, the tensioning force of the first steel wire rope is gradually increased, after the first steel wire rope drives the protective net to be tensioned, the second rope buckle is screwed until the second rope buckle compresses the first steel wire rope to form the second sleeve ring again, the tensioning purpose of tensioning the tensioned steel wire rope after the tensioning force is reduced is achieved, in the process, the first steel wire rope is in the tensioning state, the situation that all tensioning forces of the tensioned steel wire rope need to be released first is reduced, the dangerous rock body protection structure in the related technology is effectively improved, and the situation that the tensioning force of the tensioned steel wire rope is increased under the situation that the tensioning force of the tensioned steel wire rope is not released.
Description
Technical Field
The application relates to the technical field of dangerous rock body protection, in particular to a dangerous rock body composite protection structure.
Background
In the dangerous rock body protection structure in the related technology, the pre-stress provided by the anchoring piece is used for fixing the dangerous rock body and the main rock body in advance, so that the structure surface is in a compact state, the integrity of the dangerous rock body and the main rock body is improved, the mechanical property of the rock body is fundamentally improved, the displacement of the rock body is effectively controlled, the steel wire rope net covers and wraps the dangerous rock body to limit the weathering spalling or damage and the rock layer collapse of the dangerous rock body, the reinforcing effect is achieved, the falling rocks are controlled to move within a certain range, and the enclosure effect is achieved, all tensioning forces of the tensioning cables need to be relieved first, so that the tensioning forces of the rest tensioning cables are easily increased, and the tensioning force of the tensioning cables is increased under the condition that the tensioning force of the tensioning cables is not relieved conveniently.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. For this reason, this application provides danger rock mass composite protection structure, danger rock mass composite protection structure is realizing carrying out the in-process of tensioning to the taut cable wire after the tensioning force diminishes, and first cable wire is in taut state, reduces the condition that need relieve taut cable wire's whole tensioning force earlier, effectively improves dangerous rock mass protective structure among the correlation technique, is not convenient for under the condition of not solving taut cable wire tensioning force, the condition of the tensioning force of increase taut cable wire.
According to this application embodiment's compound protective structure of dangerous rock mass, include: rock mass subassembly and protective screen subassembly.
The rock mass component comprises a main rock mass and a dangerous rock mass which protrudes out of the main rock mass and is in a suspended state, the protective net component comprises a first fixing piece, a plurality of connecting pieces, a protective net, a tensioning piece, a second fixing piece and a winch piece, the first fixing piece is fixedly connected to the side wall of the main rock mass, the first fixing piece is located at the lower end of the dangerous rock mass, one end of each connecting piece is fixedly connected to the lower side of the protective net, the other end of each connecting piece is fixedly connected to the first fixing piece, the tensioning piece comprises a first steel cable, a first rope buckle and a second rope buckle, two ends of the first steel cable are bent, the first steel cable is fixed through the first rope buckle after being bent, bent parts at two ends of the first steel cable form first sleeves, one section between two first sleeves of the first steel cable is bent, and one section between two first sleeves of the first steel cable is fixed through the second rope buckle after being bent, one section of bending between two first collars of first cable wire forms the second collar, the second collar cup joints in the mesh of protection network upside, the protection network covers the dangerous rock mass, the second mounting with capstan winch spare is fixed in main rock mass top, first cable wire one end first collar cup joints in the second mounting, capstan winch spare pass through wire rope connect in the first collar wire other end.
According to some embodiments of the application, the main rock mass with be provided with anchor assembly between the danger rock mass, the danger rock mass passes through anchor assembly compress tightly in the main rock mass.
According to some embodiments of the application, the first fixing member includes a first fixing plate and a first connecting ring, the first fixing plate is fixed to the side wall of the main rock body, the first connecting ring is fixedly connected to the first fixing plate at equal intervals, and one end of the tensioning member is sleeved on the first connecting ring.
According to some embodiments of the application, the connecting piece includes second cable wire and third rope fastening, the second cable wire both ends are bent, the department of bending at second cable wire both ends passes through the third rope fastening is fixed, the second cable wire both ends are bent and are formed the third lantern ring, the third lantern ring cup joint respectively in first mounting with the mesh of protection network downside.
According to some embodiments of the present application, the protection net is provided as a wire rope net.
According to some embodiments of the present application, the second fixing member includes a second fixing plate and a second connection ring fixedly connected to the second fixing plate at equal intervals, and the first collar of the first cable end is fitted to the second connection ring.
According to some embodiments of the application, the winch member comprises a bracket fixedly connected to the main rock body top end and a winch body fixedly connected to the bracket upper end.
According to some embodiments of the application, the support comprises a support plate and a mounting plate, the support plate is arranged in an inverted U shape, and the mounting plate is fixedly connected to the lower end of the support plate.
According to some embodiments of the application, the support plate upper end is fixedly connected with a first screw, and the winch body is fixedly connected through the first screw and a nut.
According to some embodiments of the application, the winch body is configured as a self-locking hand winch.
According to some embodiments of the present application, the support assembly comprises a plurality of support assemblies, the support assemblies are uniformly arranged at the lower end of the dangerous rock mass, the support assemblies comprise a fixing frame, a support member, a pressure dividing plate and an adjusting member, the fixing frame comprises a connecting rod, a first connecting plate, a reinforcing rod and a second connecting plate, the first connecting plate is fixedly connected at one end of the connecting rod, the first connecting plate is fixedly connected at the lower end of the main rock mass side wall, the reinforcing rod is obliquely arranged, the second connecting plate is fixedly connected at one end of the reinforcing rod, the other end of the reinforcing rod is fixedly connected at the lower side of the connecting rod, the second connecting plate is fixedly connected at the lower end of the main rock mass side wall, the lower end of the support member is hinged at the upper side of the connecting rod, the pressure dividing plate is hinged at the upper end of the support member, and the pressure dividing plate supports the dangerous rock mass, one end of the adjusting piece is hinged to the side wall at the upper end of the supporting piece, the other end of the adjusting piece is hinged to the first fixing piece, and the adjusting piece is tensioned on the supporting piece.
According to some embodiments of the application, the support member includes a first support bar, a second support bar and a third support bar, the first support bar and the third support bar are fixedly connected to both ends of the second support bar through flanges.
According to some embodiments of the application, the adjusting part comprises two connecting sleeves and a second screw rod, the two connecting sleeves are respectively in threaded sleeve joint with two ends of the second screw rod, the thread directions of two ends of the second screw rod are opposite, and the two connecting sleeves are far away from one end of the second screw rod and are respectively hinged to the side wall at the upper end of the supporting part and the first fixing part.
According to some embodiments of the application, the blocking net comprises a third fixing part, a first traction part, a second traction part, an inner pulley frame and a blocking net, wherein the third fixing part comprises a third fixing plate, a third connecting ring and a fourth connecting ring, the third fixing plate is fixedly connected to the top end of the main rock body, the third connecting ring and the fourth connecting ring are fixedly connected to the upper side of the third fixing plate, the first traction part comprises a third steel cable, a fourth cable fastener, a fourth steel cable and a fifth cable fastener, one end of the third steel cable is fixedly connected to one end of the blocking net, the other end of the third steel cable is bent, the third steel cable is fixed through the fourth cable fastener after being bent, a fourth lantern ring is formed at the bent part of the third steel cable, the two ends of the fourth steel cable are bent, and then fixed through the fifth cable fastener, the bending parts at two ends of the fourth steel cable form a fifth lantern ring, the fifth lantern ring at one end of the fourth steel cable is sleeved on the third connecting ring, the fifth lantern ring at the other end of the fourth steel cable is sleeved on the fourth lantern ring, the second traction piece and the first traction piece are of the same structure, one end of the third steel cable of the second traction piece is fixedly connected with one end, far away from the first traction piece, of the blocking net, the inner pulley frame comprises a fourth fixing plate, a first connecting lug plate and a first pulley, the fourth fixing plate is fixedly connected with the lower end of the side wall of the main rock body, the first connecting lug plate is fixedly connected with the fourth fixing plate, the first pulley is rotatably connected with the first connecting lug plate, the third steel cable on the first traction piece penetrates between the first pulley and the fourth fixing plate, one end, far away from the first connecting plate, of the connecting rod is fixedly connected with an outer frame pulley, outer pulley yoke includes fifth fixed plate, second connection otic placode and second pulley, fifth fixed plate fixed connection in connecting rod one end, second connection otic placode fixed connection in the fifth fixed plate, the second pulley rotate connect in the otic placode is connected to the second, the second pulls on the piece the third cable wire can be followed the second pulley slides, first pull with the second pulls on the piece the fourth lantern ring can connect in capstan spare.
According to some embodiments of the present application, a third pulley is rotatably connected to the second engaging lug, and the third wire rope of the second traction member passes through the second pulley and the third pulley.
The beneficial effect of this application is: when a tensioning steel cable with reduced tensioning force needs to be tensioned, a steel cable on a winch part is fixed on a first steel cable through a rope buckle, the first steel cable is far away from a first lantern ring at one end close to a second lantern ring, the steel cable on the winch part is tightened, after the first steel cable is tensioned under stress, a second rope buckle at the position of the second lantern ring is gradually untied until the second rope buckle presses the first steel cable to be relieved, then the steel cable on the winch part is tightened to drive the first steel cable to be tightened, meanwhile, the tensioning force of the first steel cable is gradually increased, after the first steel cable drives a protective net to be tensioned, the second rope buckle is screwed until the second rope buckle presses the first steel cable to form a second lantern ring again, the purpose of tensioning the tensioning steel cable with reduced tensioning force is achieved, in the process, the first steel cable is in a tensioning state, the situation that all tensioning forces of the tensioning steel cable need to be relieved firstly is reduced, the dangerous rock body protection structure in the related technology is effectively improved, and the tensioning steel cable is inconvenient to be tensioned without relieving the tensioning force of the tensioning steel cable, and increasing the tension of the tensioned wire rope.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic perspective view of a dangerous rock mass composite protective structure according to an embodiment of the present application;
figure 2 is a schematic perspective view of a rock mass assembly according to an embodiment of the present application;
FIG. 3 is a perspective view of a protective screen assembly according to an embodiment of the present application;
fig. 4 is a perspective view of a tension member according to an embodiment of the present application;
FIG. 5 is a schematic perspective view of a first fastener according to an embodiment of the present application;
FIG. 6 is a perspective view of a connector according to an embodiment of the present application;
FIG. 7 is a perspective view of a second fastener according to an embodiment of the present application;
FIG. 8 is a perspective view of a capstan according to an embodiment of the present application;
FIG. 9 is a perspective view of a stent according to an embodiment of the present application;
FIG. 10 is a perspective view of a support assembly according to an embodiment of the present application;
FIG. 11 is a perspective view of a fastening frame according to an embodiment of the present application;
FIG. 12 is a perspective view at a support according to an embodiment of the present application;
fig. 13 is a schematic perspective view of a barrier net assembly according to an embodiment of the present application;
FIG. 14 is a perspective view of a third fastener according to an embodiment of the present application;
FIG. 15 is an enlarged schematic perspective view at A of FIG. 13 according to an embodiment of the present application;
FIG. 16 is a schematic perspective view of an inner pulley frame according to an embodiment of the present application;
fig. 17 is a perspective view of an outer pulley yoke according to an embodiment of the present application.
Icon: 100-a rock mass component; 110-main rock mass; 120-dangerous rock mass; 130-an anchor; 200-a protective mesh component; 210-a first fixture; 211-a first fixation plate; 212-first connecting ring; 220-a connector; 221-a second steel cord; 222-a third cord lock; 223-a third collar; 230-a protective net; 240-a tension member; 241-a first steel cord; 242-first cord lock; 243-a first collar; 244-a second cord lock; 245-a second collar; 250-a second fixture; 251-a second fixing plate; 252-a second connecting ring; 260-a capstan member; 261-a scaffold; 2611-support plate; 2612-mounting plate; 2613-first screw; 262-a winch body; 300-a support assembly; 310-a mount; 311-connecting rods; 312 — a first connection board; 313-a stiffener; 314-a second connecting plate; 315-outer sheave frame; 3151-a fifth fixing plate; 3152-a second connecting ear plate; 3153-a second pulley; 3154-a third pulley; 320-a support; 321-a first support rod; 322-a second support bar; 323-a third support bar; 330-pressure dividing plate; 340-an adjustment member; 341-connecting sleeve; 342-a second screw; 400-a barrier net assembly; 410-a third mount; 411-a third fixation plate; 412-a third connecting ring; 413-a fourth connecting ring; 420-a first traction member; 421-third steel cord; 422-fourth cord fastener; 423-a fourth collar; 424-fourth steel cord; 425-fifth cord lock; 426-a fifth collar; 430-a second traction member; 440-an inner sheave carrier; 441-a fourth fixing plate; 442-a first connecting lug; 443-a first pulley; 450-blocking net.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to 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," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The dangerous rock mass composite protective structure according to the embodiment of the application is described below with reference to the attached drawings.
As shown in fig. 1 to 17, a dangerous rock mass composite protection structure according to an embodiment of the present application includes: rock mass subassembly 100 and protection net subassembly 200, rock mass subassembly 100 is the rock mass that contains the danger rock mass, and protection net subassembly 200 is used for the tensioning to protect the danger rock mass.
As shown in fig. 2, the rock mass assembly 100 includes a main rock mass 110 and a dangerous rock mass 120 protruding from the main rock mass 110 and in a suspended state, an anchoring member 130 is disposed between the main rock mass 110 and the dangerous rock mass 120, and the anchoring member 130 is connected between the main rock mass 110 and the dangerous rock mass 120, as known to those skilled in the art, the dangerous rock mass 120 is tightly pressed against the main rock mass 110 by the anchoring member 130, and the pre-stress provided by the anchoring member 130 fixes the dangerous rock mass and the main rock mass in advance.
As shown in fig. 3, the protective net assembly 200 includes a first fixing member 210, a plurality of connecting members 220, a protective net 230, a tension member 240, a second fixing member 250 and a winch member 260, the first fixing member 210 is fixedly connected to the sidewall of the main rock body 110, the first fixing member 210 is located at the lower end of the dangerous rock body 120, one end of each of the plurality of connecting members 220 is fixedly connected to the lower side of the protective net 230, the other end of each of the plurality of connecting members 220 is fixedly connected to the first fixing member 210, and the protective net 230 is configured as a steel wire rope net to limit weathering spalling or damage and rock collapse of the dangerous rock body, so as to perform a reinforcing function, control the falling rocks to move within a certain range, and perform a containment function.
As shown in fig. 4, the tension member 240 includes a first steel cable 241, a first buckle 242 and a second buckle 244, two ends of the first steel cable 241 are bent, the first steel cable 241 is fixed by the first buckle 242 after being bent, it should be noted that the end of the first steel cable 241 is pressed against the body of the first steel cable 241 after being bent by the first buckle 242, the bent portions of the two ends of the first steel cable 241 form first loops 243, a section between two first loops 243 of the first steel cable 241 is bent, a section between two first loops 243 of the first steel cable 241 is fixed by the second buckle 244 after being bent, a section between two first loops 243 of the first steel cable 241 forms a second loop 245, the second loop 245 is sleeved on a mesh hole on the upper side of the protection net 230, the first steel cable 241 passes through the mesh hole on the upper side of the protection net 230 and then is fixed by the second buckle 244 to form a second loop 245, the protection net 230 covers the dangerous rock mass 120, the second fixing member 250 and the winch member 260 are fixed on the top of the main rock body 110, the first loop 243 at one end of the first steel cable 241 is sleeved on the second fixing member 250, the winch member 260 is connected to the first loop 243 at the other end of the first steel cable 241 through a steel cable, when the steel cable with a reduced tension is required to be tensioned, the steel cable on the winch member 260 is fixed on the first steel cable 241 through a rope buckle and is far away from the first loop 243 at one end close to the second loop 245, the steel cable on the winch member 260 is tightened, after the first steel cable 241 is tensioned under a force, the second rope buckle 244 at the position of the second loop 245 is gradually loosened until the second rope buckle 244 presses and releases the first steel cable 241, then the steel cable on the winch member 260 is tightened to drive the first steel cable 241, meanwhile, the tension force of the first steel cable 241 is gradually increased, after the first steel cable 241 drives the protective net 230 to be tensioned, the second rope buckle 244 is tightened, and the second rope buckle is pressed on the first steel cable 241 to form the second loop 245 again, the purpose of tensioning is carried out to the taut cable wire after the tensioning force diminishes in the realization, and the in-process, first cable wire 241 is in taut state, reduces the condition that need relieve the whole tensioning forces of taut cable wire earlier, effectively improves dangerous rock body protective structure among the correlation technique, is not convenient for under the condition of not relieving taut cable wire tensioning force, increases the condition of the tensioning force of taut cable wire.
As shown in fig. 5, the first fixing member 210 includes a first fixing plate 211 and a first connecting ring 212, the first fixing plate 211 is fixed to the sidewall of the primary rock 110, wherein the first fixing plate 211 is fixed to the sidewall of the primary rock 110 by an anchoring member, the first connecting ring 212 is fixedly connected to the first fixing plate 211 at equal intervals, specifically, the first connecting ring 212 is fixed to the first fixing plate 211 by welding, and one end of the tightening member 240 is sleeved on the first connecting ring 212, so as to facilitate the fixing of the steel cable on the connecting member 220.
As shown in fig. 6, the connection member 220 includes a second cable 221 and a third buckle 222, two ends of the second cable 221 are bent, the bent portions of the two ends of the second cable 221 are fixed by the third buckle 222, two ends of the second cable 221 are bent to form a third loop 223, the third loop 223 is respectively sleeved on the meshes of the lower sides of the first fixing member 210 and the protection net 230, so that the connection member 220 is conveniently connected to the first fixing member 210 and the protection net 230, and the second cable 221 can be replaced after the third buckle 222 is released.
As shown in fig. 7, the second fixing member 250 includes a second fixing plate 251 and a second connecting ring 252, the second connecting ring 252 is fixedly connected to the second fixing plate 251 at equal intervals, and when the second fixing member is specifically configured, the second connecting ring 252 is fixed to the second fixing plate 251 by welding, the first loop 243 at one end of the first cable 241 is sleeved on the second connecting ring 252, and the first buckle 242 on the first cable 241 is released and screwed, so as to facilitate the detachment and fixation between the first cable 241 and the second fixing member 250.
As shown in fig. 8, the winch member 260 includes a bracket 261 and a winch body 262, the bracket 261 is fixedly connected to the top end of the main rock body 110, the winch body 262 is fixedly connected to the upper end of the bracket 261, and the winch body 262 is lifted by the bracket 261 to facilitate the tightening of the winch body 262.
As shown in fig. 9, the support 261 includes a support plate 2611 and a mounting plate 2612, the support plate 2611 is configured to be an inverted U-shape, the mounting plate 2612 is fixedly connected to a lower end of the support plate 2611, it should be noted that the mounting plate 2612 and the support plate 2611 are fixed by welding, a first screw 2613 is fixedly connected to an upper end of the support plate 2611, the first screw 2613 is fixed to the support plate 2611 by welding, the winch body 262 is fixedly connected by the first screw 2613 in cooperation with a nut, the winch body 262 is configured to be a self-locking hand winch, when the first cable 241 is tightened or the net blocking assembly 400 is completely lifted, the nut on the first screw 2613 is removed, the winch body 262 is removed from the first screw 2613, and a worker can take the winch body 262 away from the main rock body 110 and mount the winch body 262 in an opposite order when the winch is used next time, thereby reducing the situation that the winch body 262 is lost due to unattended operation.
As shown in fig. 10 and 11, in the related art, the lower end of the dangerous rock body 120 can support the dangerous rock body 120 through the support rod, but the bottom end of the support rod needs to be supported at a relatively gentle position of the main rock body 110, when the dangerous rock body 120 is located on the cliff-type side wall of the main rock body 110, the support rod in the related art is not convenient for supporting the dangerous rock body 120, the dangerous rock body composite protection structure further comprises a support assembly 300, the support assembly 300 is provided in a plurality and is uniformly arranged at the lower end of the dangerous rock body 120, the support assembly 300 comprises a fixing frame 310, a support member 320, a pressure distributing plate 330 and an adjusting member 340, the fixing frame 310 comprises a connecting rod 311, a first connecting plate 312, a reinforcing rod 313 and a second connecting plate 314, the first connecting plate 312 is fixedly connected to one end of the connecting rod 311, it should be noted that the first connecting plate 312 and the connecting rod 311 are fixed by welding, the first connecting plate 312 is fixedly connected to the lower end of the side wall of the main rock body 110, in this embodiment, the first connecting plate 312 is fixedly connected to the lower end of the side wall of the main rock body 110 by an anchor, the reinforcing rod 313 is obliquely arranged, the second connecting plate 314 is fixedly connected to one end of the reinforcing rod 313, wherein the second connecting plate 314 is fixedly connected to one end of the reinforcing rod 313 by welding, the other end of the reinforcing rod 313 is fixedly connected to the lower side of the connecting rod 311 by welding, the connecting rod 311 is supported by the reinforcing rod 313, the deformation of the connecting rod 311 is reduced, the strength of the connecting rod 311 is improved, the second connecting plate 314 is fixedly connected to the lower end of the side wall of the main rock body 110, when specifically arranged, the second connecting plate 314 is fixedly connected to the lower end of the side wall of the main rock body 110 by an anchor, the lower end of the support member 320 is hinged to the upper side of the connecting rod 311, the pressure dividing plate 330 is hinged to the upper end of the support member 320, the pressure dividing plate 330 supports the dangerous rock body 120, one end of the adjusting member 340 is hinged to the side wall of the upper end of the support member 320, the other end of the adjusting piece 340 is hinged to the first fixing piece 210, the adjusting piece 340 is tensioned to the supporting piece 320, when the dangerous rock mass 120 is located on the cliff type side wall of the main rock mass 110, the mounting position of the fixing frame 310 is determined on the cliff type side wall of the main rock mass 110, the first connecting plate 312 and the second connecting plate 314 on the fixing frame 310 are fixed on the cliff type side wall of the main rock mass 110 through anchoring pieces, one end of the adjusting piece 340 is hinged to the first fixing piece 210, the inclination angle of the pressure distributing plate 330 is adjusted, the length of the adjusting piece 340 is adjusted, the supporting piece 320 is driven to rotate, the pressure distributing plate 330 is driven by the supporting piece 320 to gradually support the dangerous rock mass 120, the dangerous rock mass 120 is supported by the supporting piece 320, a supporting platform is provided for the supporting piece 320 through the fixing frame 310, the supporting piece 320 can be mounted on the cliff type side wall of the main rock mass 110, and the falling or damage of the dangerous rock mass 120 is limited by the supporting piece 120 and the protective net 230 of the supporting piece 320, form two kinds of modes and compound the fixed dangerous rock body 120, strengthen the stability of dangerous rock body 120.
As shown in fig. 12, the supporting member 320 includes a first supporting rod 321, a second supporting rod 322 and a third supporting rod 323, the first supporting rod 321 and the third supporting rod 323 are fixedly connected to two ends of the second supporting rod 322 through flanges, the supporting position of the pressure dividing plate 330 at the top end of the supporting member 320 on the dangerous rock body 120 is changed by replacing the second supporting rod 322 with different lengths, so as to find a suitable supporting position, the adjusting member 340 includes two connecting sleeves 341 and a second screw 342, the two connecting sleeves 341 are respectively threaded and sleeved at two ends of the second screw 342, the thread directions at two ends of the second screw 342 are opposite, one ends of the two connecting sleeves 341 far from the second screw 342 are respectively hinged to the side wall at the upper end of the supporting member 320 and the first fixing member 210, the second screw is rotated, the second screw 342 is retracted or pushed out of the connecting sleeves 341 by the thread transmission principle, so as to adjust the length of the adjusting member 340, so as to drive the supporting member 320 to rotate, and further drive the sub-pressure plate 330 to support the dangerous rock body 120.
As shown in fig. 13 and 14, when the dangerous rock mass 120 is subjected to long-term weathering or rain wash, and local rock mass falls off, the local rock mass often needs to be blocked and protected by a blocking net, the blocking net in the related art is mostly arranged on the upper side of the road, the blocking net is arranged at the bottom end of the main rock mass 110, but when the dangerous rock mass 120 is arranged on the cliff type side wall of the main rock mass 110, the impact force is still large during the falling of the fallen rock mass, the blocking net is also damaged greatly, and the fallen rock mass is high and is not easy to clean, and the fixing frame 310 has a single function and can only provide supporting force for the supporting member 320, the dangerous rock mass composite protection structure further comprises a blocking net assembly 400, the blocking net assembly 400 comprises a third fixing member 410, a first traction member 420, a second traction member 430, an inner pulley frame 440 and a blocking net 450, the third fixing member 410 comprises a third fixing plate 411, a third connecting ring 412 and a fourth connecting ring 413, the third fixing plate 411 is fixedly connected to the top end of the main rock body 110, wherein the third fixing plate 411 is fixedly connected to the top end of the main rock body 110 through an anchoring member, the third connecting ring 412 and the fourth connecting ring 413 are fixedly connected to the upper side of the third fixing plate 411, and in particular, when the third fixing plate is arranged, the third connecting ring 412 and the fourth connecting ring 413 are fixedly connected to the upper side of the third fixing plate 411 through welding.
As shown in fig. 15, the first pulling member 420 includes a third steel cable 421, a fourth rope fastener 422, a fourth steel cable 424 and a fifth rope fastener 425, one end of the third steel cable 421 is fixedly connected to one end of the blocking net 450, the other end of the third steel cable 421 is bent, the third steel cable 421 is fixed by the fourth rope fastener 422 after being bent, a fourth loop 423 is formed at the bent portion of the third steel cable 421, two ends of the fourth steel cable 424 are bent, the two ends of the fourth steel cable 424 are fixed by the fifth rope fastener 425 after being bent, a fifth loop 426 is formed at the bent portion of the two ends of the fourth steel cable 424, the fifth loop 426 at one end of the fourth steel cable 424 is sleeved on the third connecting ring 412, the fifth loop 426 at the other end of the fourth steel cable 424 is sleeved on the fourth loop 423, the second pulling member 430 has the same structure as the first pulling member 420, and one end of the third steel cable 421 of the second pulling member 430 is fixedly connected to one end of the blocking net 450, which is far away from the first pulling member 420.
As shown in fig. 16, the inner pulley frame 440 includes a fourth fixing plate 441, a first connecting lug plate 442 and a first pulley 443, the fourth fixing plate 441 is fixedly connected to the lower end of the sidewall of the primary rock body 110, specifically, the fourth fixing plate 441 is fixedly connected to the lower end of the sidewall of the primary rock body 110 by an anchor, the first connecting lug plate 442 is fixedly connected to the fourth fixing plate 441 by welding, the first pulley 443 is rotatably connected to the first connecting lug plate 442, the third cable 421 of the first traction member 420 passes through the space between the first pulley 443 and the fourth fixing plate 441, and the third cable 421 passes through the space between the first pulley 443 and the fourth fixing plate 441 and is fixed to the barrier net 450 by a cable buckle.
As shown in fig. 17, an outer pulley holder 315 is fixedly connected to an end of the connecting rod 311 remote from the first connecting plate 312, the outer pulley holder 315 includes a fifth fixing plate 3151, a second engaging lug plate 3152 and a second pulley 3153, the fifth fixing plate 3151 is fixedly connected to an end of the connecting rod 311, wherein the fifth fixing plate 3151 is fixed to the end of the connecting rod 311 by welding, the second engaging lug plate 3152 is fixedly connected to the fifth fixing plate 3151, specifically, the second engaging lug plate 3152 and the fifth fixing plate 3151 are fixed by welding, the second pulley 3153 is rotatably connected to the second engaging lug plate 3152, the third cable 421 on the second traction member 430 can slide along the second pulley 3153, the fourth collars 423 on the first traction member 420 and the second traction member 430 can be connected to the winch member 260, the third pulley 3154 is rotatably connected to the second engaging lug plate 3152, the third cable 421 on the second traction member 430 passes between the second pulley 3153 and the third pulley 3154, the third cable 421 on the second traction member 430 is limited on the second pulley 3153 by the third pulley 3154, so as to reduce the situation that the third cable 421 on the second traction member 430 is separated from the second pulley 3153, the upper end of the third cable 421 on the first traction member 420 passes between the first pulley 443 and the fourth fixing plate 441, one end of the barrier net 450 on the upper end of the third cable 421 is lifted to the first pulley 443, at this time, the third cable 421 passes through the fifth lantern ring 426 and is fixed by the fourth buckle 422, the upper end of the third cable 421 on the second traction member 430 passes between the second pulley 3153 and the third pulley 3154, the third cable 421 drives one end of the barrier net 450 to be lifted to the second pulley 3153, at this time, the third cable 421 passes through the fifth lantern ring 426 and is fixed by the fourth buckle 422, the fixing frame 310 provides support for the second pulley 3153, thereby realizing the dual-purpose of integrating and supporting the supporting member 310, and providing support for the fixing frame 320 and the second pulley 3153, when the dangerous rock mass 120 is weathered or washed by rain for a long time and the local rock mass falls off, the local rock mass falls into the barrier net 450 through the openings at the two ends of the barrier net 450, the barrier net 450 can be arranged on the cliff type side wall of the main rock mass 110 through the fixing frame 310, the situation that the barrier net 450 is arranged at the bottom end of the main rock mass 110 is reduced, the barrier net 450 is closer to the dangerous rock mass 120, the impact force of the fallen local rock mass is also smaller, the impact and the damage to the barrier net 450 are reduced, when the local rock mass falling off in the barrier net 450 needs to be cleaned, the winch member 260 is arranged, the steel wire rope on the winch member 260 is connected to the third steel wire rope 421 on the first traction member 420 and the second traction member 430, the fifth rope fastener 425 is removed, the connection between the fourth steel wire rope 424 and the third steel wire rope 421 is removed, and the steel wire rope on the winch member 260 is released, the barrier net 450 falls gradually under the action of self gravity and the gravity of the fallen local rock mass until the barrier net 450 falls to the bottom end of the main rock mass 110, and personnel can clean the fallen rock mass at the bottom end of the main rock mass 110 without climbing up by the personnel.
Specifically, this dangerous rock mass composite protection structure's theory of operation: when the steel cable needs to be tensioned with a reduced tensioning force, the steel cable on the winch 260 is fixed to the first steel cable 241 through the rope buckle and is far away from the first lantern ring 243 close to one end of the second lantern ring 245, the steel cable on the winch 260 is tightened, the second rope buckle 244 at the position of the second lantern ring 245 is gradually loosened after the first steel cable 241 is tensioned, the second rope buckle 244 presses the first steel cable 241 to be relieved, then the steel cable on the winch 260 is tightened to drive the first steel cable 241 to be tightened, meanwhile, the tensioning force of the first steel cable 241 is gradually increased, the second rope buckle 244 is screwed after the first steel cable 241 drives the protection net 230 to be tensioned, the second rope buckle 244 presses the first steel cable 241 to form the second lantern ring 245 again, the purpose of tensioning the tensioned steel cable with the reduced tensioning force is achieved, and the first steel cable 241 is in a tensioned state, so that the situation that all tensioning forces of the steel cable need to be relieved first is reduced, the dangerous rock body protective structure in the correlation technique is effectively improved, and the condition of the tension of the tensioning steel cable is increased under the condition that the tension of the tensioning steel cable is not released conveniently.
After the first steel cable 241 is tightened or the blocking net assembly 400 is completely lifted, the nut on the first screw 2613 is removed, the winch body 262 is taken down from the first screw 2613, a worker can take the winch body 262 away from the main rock body 110, and the winch body 262 can be installed in the reverse order when used next time, so that the situation that the winch body 262 is lost due to unattended operation is reduced.
When the dangerous rock body 120 is located on the cliff-type side wall of the main rock body 110, firstly, the mounting position of the fixing frame 310 is determined on the cliff-type side wall of the main rock body 110, the first connecting plate 312 and the second connecting plate 314 on the fixing frame 310 are fixed on the cliff-type side wall of the main rock body 110 through anchoring parts, then, one end of the adjusting piece 340 is hinged to the first fixing piece 210, the inclination angle of the sub-pressing plate 330 is adjusted, the length of the adjusting piece 340 is adjusted, the supporting piece 320 is driven to rotate, the supporting piece 320 drives the sub-pressing plate 330 to gradually support the dangerous rock body 120, the dangerous rock body 120 is supported by the supporting member 320, and the supporting member 320 is provided with a supporting platform by the fixing frame 310, so that the supporting member 320 can be installed on the cliff type side wall of the main rock body 110, meanwhile, the supporting dangerous rock body 120 of the supporting piece 320 and the protecting net 230 limit the weathering spalling or damage of the dangerous rock body 120 to form two ways to compositely fix the dangerous rock body 120 and strengthen the stability of the dangerous rock body 120.
The upper end of the third cable 421 of the first traction member 420 passes through the space between the first pulley 443 and the fourth fixing plate 441, one end of the blocking net 450 at the upper end of the third cable 421 is lifted to the first pulley 443, at this time, the third cable 421 passes through the fifth sleeve 426 and then is fixed by the fourth rope buckle 422, the upper end of the third cable 421 on the second traction member 430 passes through the space between the second pulley 3153 and the third pulley 3154, the third cable 421 drives one end of the blocking net 450 to the second pulley 3153, at this time, the third cable 421 passes through the fifth sleeve 426 and then is fixed by the fourth rope buckle 422, the second pulley 3153 is supported by the fixing frame 310, the function of the fixing frame 310 integration is realized, the supporting member 320 and the second pulley 3153 is supported, the supporting member far away from the main rock mass 110 is not required to be newly arranged for the blocking net 450, the two ends of the blocking net 450 form openings, when the dangerous rock mass 120 is weathered or washed by rain for a long time, when local rock mass falls, the local rock mass falls into the block net 450 through the openings at the two ends of the block net 450, the block net 450 can be arranged on the cliff type side wall of the main rock mass 110 through the fixing frame 310, the situation that the block net 450 is arranged at the bottom end of the main rock mass 110 is reduced, the block net 450 is close to the dangerous rock mass 120, the impact force of the fallen local rock mass is also small, the impact and the damage to the block net 450 are reduced, when the local rock mass falling out in the block net 450 needs to be cleaned, the winch member 260 is installed, the steel wire rope on the winch member 260 is connected with the third steel wire rope 421 on the first traction member 420 and the second traction member 430, the fifth rope fastener 425 is removed, the connection between the fourth steel wire rope 424 and the third steel wire rope 421 is removed, the steel wire rope on the winch member 260 is released, the block net 450 gradually falls under the action of self gravity and the gravity of the fallen local rock mass until the block net 450 falls to the bottom end of the main rock mass 110, and personnel can clean the fallen rock mass at the bottom end of the main rock mass 110, and workers are not required to ascend the height for management.
It should be noted that the specific model specification of the self-locking hand winch needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed burdens are not needed.
The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. Dangerous rock mass composite protective structure, its characterized in that includes:
the rock mass assembly (100) comprises a main rock mass (110) and a dangerous rock mass (120) which protrudes out of the main rock mass (110) and is in a suspended state;
the protective net assembly (200) comprises a first fixing piece (210), a plurality of connecting pieces (220), a protective net (230), a tensioning piece (240), a second fixing piece (250) and a winch piece (260), wherein the first fixing piece (210) is fixedly connected to the side wall of the main rock body (110), the first fixing piece (210) is located at the lower end of the dangerous rock body (120), one end of each connecting piece (220) is fixedly connected to the lower side of the protective net (230), the other end of each connecting piece (220) is fixedly connected to the first fixing piece (210), the tensioning piece (241) comprises a first steel cable (241), a first rope buckle (242) and a second rope buckle (244), two ends of the first steel cable (241) are bent, the first steel cable (241) is fixed through the first rope buckle (242) after being bent, and bent parts at two ends of the first steel cable (241) form a first loop (241), a section of the first wire rope (241) between the two first collars (243) is bent, a section of the first steel cable (241) between the two first rings (243) is fixed by the second rope buckle (244) after being bent, a second loop (245) is formed at a bent part between the two first loops (243) of the first steel cable (241), the second lantern ring (245) is sleeved on the meshes on the upper side of the protective net (230), the protective net (230) covers the dangerous rock mass (120), the second fixing piece (250) and the winch piece (260) are fixed at the top of the main rock mass (110), the first lantern ring (243) at one end of the first steel cable (241) is sleeved on the second fixing piece (250), the winch member (260) is connected to the first collar (243) at the other end of the first wire rope (241) by a wire rope.
2. The dangerous rock mass composite protective structure according to claim 1, characterized in that an anchoring member (130) is arranged between the main rock mass (110) and the dangerous rock mass (120), and the dangerous rock mass (120) is pressed against the main rock mass (110) through the anchoring member (130).
3. The dangerous rock mass composite protective structure according to claim 1, wherein the first fixing member (210) comprises a first fixing plate (211) and a first connecting ring (212), the first fixing plate (211) is fixed on the side wall of the main rock mass (110), the first connecting ring (212) is fixedly connected to the first fixing plate (211) at equal intervals, and one end of the tension member (240) is sleeved on the first connecting ring (212).
4. The dangerous rock mass composite protection structure according to claim 1, wherein the connecting piece (220) comprises a second steel cable (221) and a third rope fastener (222), two ends of the second steel cable (221) are bent, bent parts at two ends of the second steel cable (221) are fixed through the third rope fastener (222), two ends of the second steel cable (221) are bent to form a third sleeve ring (223), and the third sleeve ring (223) is respectively sleeved on meshes on the lower sides of the first fixing piece (210) and the protection net (230).
5. The composite protective structure of dangerous rock mass according to claim 1, characterized in that the protective net (230) is provided as a wire rope net.
6. The dangerous rock mass composite protection structure according to claim 1, wherein the second fixing member (250) comprises a second fixing plate (251) and a second connecting ring (252), the second connecting ring (252) is fixedly connected to the second fixing plate (251) at equal intervals, and the first sleeve ring (243) at one end of the first steel cable (241) is sleeved on the second connecting ring (252).
7. The dangerous rock mass composite protection structure according to claim 1, wherein the winch member (260) comprises a bracket (261) and a winch body (262), the bracket (261) is fixedly connected to the top end of the main rock mass (110), and the winch body (262) is fixedly connected to the upper end of the bracket (261).
8. The composite protective structure for dangerous rock masses according to claim 7, wherein the bracket (261) comprises a supporting plate (2611) and a mounting plate (2612), the supporting plate (2611) is arranged in an inverted U shape, and the mounting plate (2612) is fixedly connected to the lower end of the supporting plate (2611).
9. The composite protective structure for dangerous rock masses according to claim 8, wherein a first screw (2613) is fixedly connected to the upper end of the supporting plate (2611), and the winch body (262) is fixedly connected through the first screw (2613) and a nut.
10. The hazardous rock mass composite containment structure of claim 7, wherein the winch body (262) is configured as a self-locking hand winch.
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| CN202111068753.2A CN113931095B (en) | 2021-09-13 | 2021-09-13 | Dangerous rock mass composite protection structure |
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| CN202111068753.2A CN113931095B (en) | 2021-09-13 | 2021-09-13 | Dangerous rock mass composite protection structure |
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| CN115354671A (en) * | 2022-07-28 | 2022-11-18 | 四川省公路规划勘察设计研究院有限公司 | A anchor structure for in situ reinforcement dangerous rock |
| CN115492034A (en) * | 2022-08-25 | 2022-12-20 | 西南交通大学 | Vehicle anti-falling and automatic rescue modular assembly type unit for cliff bend |
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| CN213897172U (en) * | 2020-11-05 | 2021-08-06 | 深圳市东深工程有限公司 | Dangerous rock supporting and anchoring device |
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| GB8513300D0 (en) * | 1984-05-29 | 1985-07-03 | Tinsley Wire Ltd | Tensioning means |
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| CN115492034B (en) * | 2022-08-25 | 2023-08-08 | 西南交通大学 | Modular assembly type unit for preventing falling and automatically rescuing vehicles on cliff curves |
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|---|---|
| CN113931095B (en) | 2023-06-30 |
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