CN113481982A - Slope reinforcing anchor rod for constructional engineering - Google Patents
Slope reinforcing anchor rod for constructional engineering Download PDFInfo
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- CN113481982A CN113481982A CN202110601637.6A CN202110601637A CN113481982A CN 113481982 A CN113481982 A CN 113481982A CN 202110601637 A CN202110601637 A CN 202110601637A CN 113481982 A CN113481982 A CN 113481982A
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- anchor rod
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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
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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Abstract
The invention relates to the technical field of anchor rods, in particular to a slope reinforcement anchor rod for constructional engineering, which comprises an anchor rod body, wherein the anchor rod body is divided into an upper section, a middle section and a lower section which are an anchor head, a free section and an anchoring section in sequence, a detection mechanism is arranged at the position, close to the anchor head, of the upper end of the outer surface of the anchor rod body, a bearing plate is fixedly arranged at the lower end of the outer surface of the detection mechanism, and the anchor rod body penetrates through the middle position of the outer surface of the upper end of the bearing plate. The invention can enlarge the front anchoring area of the anchoring section of the anchor rod body by arranging the anchoring mechanism, improve the front anchoring force of the anchoring section, overcome the extrusion force around the soil layer of the triangular plate by matching the extrusion force of the slurry and the pressure of the grouting during grouting, and ensure that the triangular plate of the anchoring mechanism can be opened by one hundred twenty five degrees to one hundred eighty degrees, thereby ensuring that the improved anchoring area is larger, the anchoring strength with the surrounding soil body is higher, and the anchoring force of the anchor rod body is improved.
Description
Technical Field
The invention relates to the technical field of anchor rods, in particular to a slope reinforcement anchor rod for constructional engineering.
Background
The factors such as landslide, sideslip and collapse of the side slope are main disastrous factors for side slope damage, at present, in engineering practices such as constructing roads, railways, foundation pits and open mines in China, anchoring technology is largely adopted to reinforce the rock-soil side slope, the rock-soil side slope is usually reinforced in two modes, namely shallow surface reinforcement and deep layer reinforcement, wherein the surface layer is mainly fixed by adopting a hanging protective net, concrete spraying, anchor rods, lattice beams and the like, the main mode of deep layer reinforcement is anchor cables, and for the side slope reinforcement engineering with higher requirements on the safety level of the side slope, the shallow surface stability and the deep layer stability of the side slope need to be simultaneously solved or the two fixing modes are alternately carried out.
The Chinese patent discloses a gourd-shaped anchor rod with the patent application number of CN1031325151B, which comprises a sample body, wherein the sample body is a hollow rod body with one solid end; axial grooves penetrating through the pipe wall are formed in the pipe wall, close to the solid end, of the hollow staggered rod body at equal intervals along the circumferential direction; the pipe wall provided with the axial groove is internally provided with explosive; and a detonating tube is arranged in the explosive.
Because most of the periphery of the side slope in the building engineering is backfill and the interior is soft and easy to slide, the anchoring force requirement for the anchor rod is larger, although the above-mentioned comparison patent is that the explosive is filled in the hollow tube wall of the slotting section of the hollow anchor rod body with a solid end, the explosive explosion action pushes the tube wall of the anchor rod with the axial slot to the periphery to form a gourd shape, so that the bottom end of the anchor rod is enlarged, the pulling resistance of the rod is improved, the stability of the rock-soil body is enhanced, and the safety of the staggered tunnel, the side slope, the deep foundation pit and the like is greatly enhanced, but the tube wall of the anchor rod with the axial slot is pushed to the periphery to form a gourd shape by the explosion action of the explosive in the actual operation process, on one hand, the operation difficulty is large when an operator puts the explosive into the anchor rod and puts the anchor rod into the area needing to be fixed, on the other hand, the basic principle of anchoring is that the pulling force of the structure is transferred by the shearing strength of the anchor rod and the surrounding stable stratum, thereby stabilize the structure or keep slope excavation face self stable, enlarge the stock end through the explosive and improve the anchoring force, uncontrollable factors such as the volume of explosive are too big, simultaneously because among the prior art, the prestressing force of stock need be confirmed through modes such as frequent measurement moment of torsion when will installing the stock, when prestressing force is not enough again continue to increase prestressing force and continue to measure, until the final definite prestressing force that has applyed sufficient, and when utilizing tools such as roofbolter installation, unable survey moment of torsion, therefore the prestressing force of unable definite stock is enough, thereby whether the prestressing force that leads to the stock installation after can not audio-visual definite prestressing force is enough, the overall stability of anchoring system has been reduced.
Therefore, the slope reinforcement anchor rod for the construction engineering is provided.
Disclosure of Invention
The invention aims to provide a slope reinforcement anchor rod for constructional engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a slope reinforcement anchor rod for constructional engineering comprises an anchor rod body, wherein the anchor rod body is divided into an upper section, a middle section and a lower section which are an anchor head, a free section and an anchoring section in sequence, a detection mechanism is arranged at a position, close to the anchor head, of the upper end of the outer surface of the anchor rod body, a pressure bearing plate is fixedly installed at the lower end of the outer surface of the detection mechanism, the anchor rod body penetrates through the middle position of the outer surface of the upper end of the pressure bearing plate, fixing mechanisms are arranged at two sides, close to the anchor rod body, of the lower end of the outer surface of the detection mechanism, a spreading mechanism is arranged at the middle position inside the anchor rod body, and an anchoring mechanism is arranged at the lower end of the anchor rod body;
the anchoring mechanism comprises a first annular rotating rod, a torsion spring and a set square, wherein the outer surface of the first annular rotating rod is fixedly provided with a plurality of set squares, and the torsion spring is arranged on the outer surface of the first annular rotating rod in a surrounding manner and used for limiting the set square to rotate before the anchor rod body is not installed so as to prevent the set square from scratching an operator;
the utility model discloses a novel anchor rod, including vaulting pole, anchor rod, set up annular bull stick, vaulting pole and semicircular head, vaulting pole and anchor rod body swing joint, the surface upper end intermediate position of interior pole runs through and sets up the slip casting hole, the semicircular head of lower extreme fixed mounting of interior pole, interior pole surface is close to semicircular head and encircles and set up second annular bull stick, encircle a plurality of vaulting poles of fixed mounting on the surface of second annular bull stick, and the connected mode of vaulting pole and second annular bull stick is the same with the connected mode of set-square and first annular bull stick, also encircles and set up the torsional spring on the second annular bull stick surface.
When the anchor rod is used for grouting in the anchor rod body, because the anchor rod body needs to be extruded during grouting, the extrusion force of slurry and the grouting pressure can overcome the torsion force of a torsion spring to prop the triangular plate at ninety-five degrees to one hundred-fifteen degrees, so that the anchoring area is increased, and the aim of increasing the anchoring force is fulfilled, the expanding mechanism is arranged to ensure that the triangular plate of the anchoring mechanism can be expanded by one hundred twenty five degrees to one hundred eighty degrees, the improved anchoring area is ensured to be larger, the improved anchoring force is larger, the inner rod is rotated until the inner rod extends out of the outlet of the front end of the anchor rod body, at the moment, the outer surface of the second annular rotating rod is also provided with the torsion spring in a surrounding manner, the elastic constraint force of the torsion spring is relieved, the stay rod is opened to form a barb shape to generate a pull-back effect on the triangular plate, then the inner rod is pulled back, the stay rod can generate a pulling force opposite to the direction of the anchor rod body on the triangular plate during the pull-back, the extrusion force of slurry and the pressure of grouting during grouting are matched to overcome the extrusion force around the soil layer of the triangular plate, and the triangular plate of the anchoring mechanism can be ensured to be opened by one hundred twenty-five degrees to one hundred eighty degrees, thereby guarantee that the anchor area of improvement is bigger, has higher embedded intensity with the soil body of surrounding, improves the anchor power of stock body.
Preferably, detection mechanism includes mounting groove, spring, fixed block, connecting block and indicating mechanism, the mounting groove will begin to the surface lower extreme both sides of anchor head, the fixed mounting spring of inside intermediate position of mounting groove, the one end fixed connection fixed block of spring, the surface lower extreme fixed mounting connecting block of fixed block, the surface intermediate position of fixed block sets up indicating mechanism.
When the anchor rod is required to be measured, the load of unstable rock-soil bodies on the surface layer is transferred to a deep stable position of the rock-soil bodies after the anchor rod body is installed, the anchor rod body can generate downward tension so as to drive the anchor head to move towards the installation direction of the anchor rod body, the anchor head can extrude a spring, and the yield strength of the spring is more than or equal to the prestress born by a bearing plate when the anchor rod body is installed, at the moment, the spring with the yield strength equal to the required prestress is utilized, the prestress is determined to be enough when the spring is completely compressed, and whether the prestress of the anchor rod body is enough can be visually checked.
Preferably, indicating mechanism includes movable groove, pointer and graduation apparatus, movable groove is seted up to the surface of anchor head near the ten thousand end positions of fixed block, movable groove fixed mounting pointer is passed to the surface front end intermediate position of fixed block, the position that corresponds near the pointer on the surface of anchor head sets up the graduation apparatus.
The during operation, when prestressing force is not enough, can not audio-visually let the staff see out the spring and compress tightly the time distance that differs completely, through setting up pointer and fixed block fixed connection, move together with the fixed block, when prestressing force is not enough, through observing the position that the pointer pointed on the scale, can see out the spring and compress tightly the time distance that differs completely, then through the distance that differs, just can calculate still required prestressing force size.
Preferably, fixed establishment includes spliced pole, barb, the surface lower extreme of connecting block all sets up the spliced pole near the both sides of stock body, a plurality of barbs of fixed mounting are encircleed to the lower extreme surface of spliced pole.
During operation, the connecting block is relatively poor to the solid effect of bearing plate, influences the stability of stock anchor system, through setting up the barb, when the spliced pole inserts soil, because the characteristic of barb itself, relatively simple when inserting, the difficulty when taking out to play fixed action that can be fine, thereby increase fixed effect.
Preferably, the length of the free section is not less than five meters, the anchoring section is arranged in a stable soil layer or a rock stratum outside the potential slip surface, the potential slip surface is an area where landslide is easy to occur, and the thickness of a soil covering layer on the anchoring section is not less than four-point five meters.
When the anchor rod works, because the permanent anchor rod is inserted into a soil layer, when the free section of the anchor rod body is too short, after initial prestress is applied to the anchor rod body, because the elastic displacement of the anchor rod body is small, once the anchor head is loosened and the like, the possibility of prestress loss is improved, and the prestress loss is large, the reinforcing effect after the anchor rod body is inserted is reduced, the integral stability of an anchor rod anchoring system is reduced, in addition, when the anchoring section is positioned outside a potential slip surface or in an unstable soil layer and the like, the thickness of an upper soil covering layer of the anchoring section is too small, the anchor rod body can be influenced by repeated load in the acting process, the reinforcing effect of the anchor rod body is reduced, in addition, the upper soil covering layer can be raised due to higher grouting pressure, the looseness of the anchor head can be prevented by setting the length of the free section to be not less than five meters, and the prestress loss can be generated, inside stable soil layer or the rock stratum of anchor section outside latent smooth surface through setting up, avoid the stock body can receive the influence of repeated load at the in-process that plays the effect, through setting up anchor section overburden thickness and not being less than four five meters, avoid higher slip casting pressure to make the overburden uplift to guarantee the overall stability of stock anchor system on the whole, guarantee the reinforcement effect of stock body.
Preferably, the lower extreme that the inside of stock body is close to the distraction mechanism sets up a plurality of connecting holes for the outside slurry and the inside slurry that make the stock body have the connectivity, make the anchor stock body and be connected more closely between the slurry.
During operation, the stock body is after the slip casting, and the outside slurry and the inside slurry of stock body do not have the connectivity, influence the anchor effect of stock body, through setting up a plurality of connecting holes, after the slip casting is accomplished the slurry and is mixed the dry back, the outside slurry and the inside slurry of stock body have the connectivity to improve the anchor effect of stock body.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the anchoring mechanism is arranged to enlarge the front end anchoring area of the anchoring section of the anchor rod body and improve the front end anchoring force of the anchoring section, when the triangular plate is arranged in the anchor rod body for grouting, because the anchor rod body needs to be extruded during grouting, the extrusion force of the slurry and the pressure of the grouting can overcome the torsion of the torsion spring to expand the triangular plate by ninety-five degrees to one hundred and fifteen degrees, so that the anchoring area is improved, the aim of improving the anchoring force is achieved, the expanding mechanism is arranged to ensure that the triangular plate of the anchoring mechanism can be expanded by one hundred twenty-five degrees to one hundred eighty degrees, the improved anchoring area is larger, the higher embedding strength with the surrounding soil body is realized, and the anchoring force of the anchor rod body is improved.
2. According to the invention, by arranging the detection mechanism, when the prestress is required to be measured, the anchor head can extrude the spring after the anchor rod body is installed, and the yield strength of the spring is more than or equal to the prestress born by the bearing plate when the anchor rod body is installed, so that the spring with the yield strength equal to the required prestress is utilized, the prestress is determined to be sufficient when the spring is completely compressed, and whether the prestress of the anchor rod body is sufficient can be visually detected.
Drawings
FIG. 1 is a schematic view of the complete structure of the present invention;
FIG. 2 is a complete cross-sectional view of the structure of the present invention;
FIG. 3 is an expanded cross-sectional structural view of the distractor mechanism of the present invention
FIG. 4 is a top cross-sectional structural view of the anchoring mechanism of the present invention;
FIG. 5 is a cross-sectional structural view of the distractor mechanism of the present invention;
FIG. 6 is an enlarged structural view taken at A of the present invention;
FIG. 7 is a structural view of an indicating mechanism of the present invention;
fig. 8 is a sectional structural view of the fixing mechanism of the present invention.
In the figure: 1. an anchor body; 2. a free section; 3. an anchoring section; 4. an anchor head; 5. a detection mechanism; 51. mounting grooves; 52. a spring; 53. a fixed block; 54. connecting blocks; 55. an indication mechanism; 551. a movable groove; 552. an indicator needle; 553. a dial gauge; 6. a pressure bearing plate; 7. a fixing mechanism; 71. connecting columns; 72. a barb; 8. connecting holes; 9. a distraction mechanism; 91. an inner rod; 92. grouting holes; 93. a second annular rotating rod; 94. a stay bar; 95. a semicircular head; 10. an anchoring mechanism; 101. a first annular rotating rod; 102. a torsion spring; 103. a triangular plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, 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, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, the present invention provides a technical solution of a slope reinforcement anchor rod for construction engineering:
a slope reinforcement anchor rod for construction engineering comprises an anchor rod body 1 as shown in figures 1 to 5, wherein the anchor rod body 1 is divided into an upper section, a middle section and a lower section which are an anchor head 4, a free section 2 and an anchoring section 3 in sequence, a detection mechanism 5 is arranged at the position, close to the anchor head 4, of the upper end of the outer surface of the anchor rod body 1, a pressure bearing plate 6 is fixedly installed at the lower end of the outer surface of the detection mechanism 5, the anchor rod body 1 penetrates through the middle position of the outer surface of the upper end of the pressure bearing plate 6, fixing mechanisms 7 are arranged at the lower end of the outer surface of the detection mechanism 5, close to two sides of the anchor rod body 1, a spreading mechanism 9 is arranged at the middle position inside the anchor rod body 1, and an anchoring mechanism 10 is arranged at the lower end of the anchor rod body 1;
the anchoring mechanism 10 comprises a first annular rotating rod 101, a torsion spring 102 and a triangular plate 103, wherein the plurality of triangular plates 103 are fixedly installed on the outer surface of the first annular rotating rod 101, and the torsion spring 102 is arranged on the outer surface of the first annular rotating rod 101 in a surrounding mode and used for limiting the rotation of the triangular plate 103 before the anchor rod body 1 is not installed, so that the triangular plate 103 is prevented from scratching operators;
the opening mechanism 9 comprises an inner rod 91, a grouting hole 92, a second annular rotating rod 93, a stay bar 94 and a semicircular head 95, the inner rod 91 is movably connected with the anchor rod body 1, the middle position of the upper end of the outer surface of the inner rod 91 is penetrated through the grouting hole 92, the semicircular head 95 of the lower end of the inner rod 91 is fixedly installed, the outer surface of the inner rod 91 is close to the semicircular head 95 and surrounds the second annular rotating rod 93, a plurality of stay bars 94 of the fixed installation are surrounded on the outer surface of the second annular rotating rod 93, the connection mode of the stay bars 94 and the second annular rotating rod 93 is the same as the connection mode of the triangular plate 103 and the first annular rotating rod 101, and the outer surface of the second annular rotating rod 93 is also surrounded with the torsion spring 102.
When the anchor rod works, most of the periphery of a side slope in the building engineering is soft inside backfill soil, and the landslide is easy to occur, so the requirement on the anchoring force of the anchor rod is high, the basic principle of anchoring is that the tension of a structure is transmitted by the shear strength of the anchor rod and the surrounding stable stratum to stabilize the structure or keep the stability of the excavation surface of the side slope, and the uncontrollable factor of the anchoring force is increased by expanding the end head of the anchor rod through explosive, the invention expands the front end anchoring area of the anchoring section 3 of the anchor rod body 1 by arranging the anchoring mechanism 10, improves the front end anchoring force of the anchoring section 3, and improves the anchoring area by arranging the triangular plate 103 to grout inside the anchor rod body 1, because the extrusion force and the pressure of the grouting of the anchor rod body 1 need to be extruded when grouting, the torsion force of the torsional spring 102 can be overcome to expand the triangular plate 103 to 95-115 degrees, and the anchoring area is improved, thereby achieving the purpose of improving the anchoring force, ensuring that the triangular plate 103 of the anchoring mechanism 10 can be expanded by 125-180 degrees by arranging the expanding mechanism 9, ensuring that the improved anchoring area is larger and the improved anchoring force is larger, rotating the inner rod 91 until the inner rod extends out of the front end outlet of the anchor rod body 1, at the moment, because the outer surface of the second annular rotating rod 93 is also provided with the torsion spring 102 in a surrounding way, the elastic constraint force of the torsion spring 102 is relieved, the stay rod 94 is expanded to form a barb shape to generate a pull-back effect on the triangular plate 103, then pulling back the inner rod 91, the stay rod 94 can generate a pulling force opposite to the direction of the anchor rod body 1 on the triangular plate 103 during pull-back, the extrusion force of slurry and the pressure of grouting during grouting overcome the extrusion force around the soil layer of the triangular plate 103, ensuring that the triangular plate 103 of the anchoring mechanism 10 can be expanded by 125-180 degrees, thereby ensuring that the improved anchoring area is larger and the higher embedding strength with the surrounding soil body, the anchoring force of the anchor body 1 is improved.
As a specific embodiment of the present invention, as shown in fig. 6, the detecting mechanism 5 includes an installation groove 51, a spring 52, a fixed block 53, a connecting block 54 and an indicating mechanism 55, the installation groove 51 is started on both sides of the lower end of the outer surface of the anchor head 4, the spring 52 is fixedly installed in the middle position inside the installation groove 51, one end of the spring 52 is fixedly connected to the fixed block 53, the connecting block 54 is fixedly installed on the lower end of the outer surface of the fixed block 53, and the indicating mechanism 55 is arranged in the middle position of the outer surface of the fixed block 53.
When the anchor rod is required to be measured, the prestress of the anchor rod is determined by frequently measuring the torque and the like, when the prestress is insufficient, the prestress is continuously increased and the measurement is continuously performed until the prestress is finally determined to be sufficient, and when the anchor rod is installed by using tools such as an anchor rod drilling machine and the like, the torque cannot be measured, so that whether the prestress of the anchor rod is sufficient cannot be determined, and therefore, whether the prestress is sufficient cannot be determined visually after the anchor rod is installed, and the overall stability of an anchoring system is reduced, according to the invention, by arranging the detection mechanism 5, when the prestress is required to be measured, because the load of unstable rock and soil mass on the surface layer is transmitted to the deep stable position of the rock and soil mass, the anchor rod body 1 can generate downward tension, so that the anchor head 4 can be driven to move towards the installation direction of the anchor rod body 1, and the anchor head 4 can extrude the spring 52, because the yield strength of the spring 52 is greater than or equal to the prestress born by the bearing plate 6 when the anchor rod body 1 is installed, the spring 52 with the yield strength equal to the required prestress is utilized, the prestress is determined to be enough when the spring 52 is completely compressed, and whether the prestress of the anchor rod body 1 is enough can be visually checked.
As an embodiment of the present invention, as shown in fig. 7, the indicating mechanism 55 includes a movable groove 551, an indicating pin 552, and a scale 553, the movable groove 551 is opened on the outer surface of the anchor head 4 near the universal end of the fixed block 53, the indicating pin 552 is fixedly mounted on the middle position of the front end of the outer surface of the fixed block 53 through the movable groove 551, and the scale 553 is provided on the outer surface of the anchor head 4 near the position corresponding to the indicating pin 552.
During operation, when prestressing force is not enough, can not audio-visually let the staff see out the spring 52 and the distance that differs when compressing tightly completely, through setting up pointer 552 and fixed block 53 fixed connection, move together with fixed block 53, when prestressing force is not enough, through observing the position that pointer 552 points at graduation 553, can see out the spring 52 and the distance that differs when compressing tightly completely, then through the distance that differs, just can calculate still required prestressing force size.
As a specific embodiment of the present invention, as shown in fig. 8, the fixing mechanism 7 includes a connecting column 71 and barbs 72, the connecting column 71 is disposed on both sides of the lower end of the outer surface of the connecting block 54 close to the anchor body 1, and a plurality of barbs 72 are fixedly mounted on the outer surface of the lower end of the connecting column 71 in a surrounding manner.
During operation, connecting block 54 is relatively poor to the solid effect of bearing plate 6, influences the stability of stock anchor system, through setting up barb 72, when spliced pole 71 inserts soil, because the characteristic of barb 72 itself, when inserting simpler, difficult when taking out to play fixed action that can be fine, thereby increase fixed effect.
As a specific embodiment of the present invention, as shown in fig. 1, the length of the free section 2 is not less than 5M, the anchoring section 3 is inside a stabilized soil layer or rock layer outside a potential slip surface, the potential slip surface is an area where landslide is likely to occur, and the thickness of a soil covering layer on the anchoring section 3 is not less than 4.5M.
In addition, when the anchoring section 3 is positioned outside a potential slip surface or in an unstable soil layer and the like, the thickness of the soil covering layer on the anchoring section 3 is too small, the anchor body 1 can be influenced by repeated load in the process of exerting the function, the reinforcing effect of the anchor body 1 is reduced, in addition, the upper soil covering layer can be raised due to higher grouting pressure, and the length of the free section 2 is not less than 5M, prevent that anchor head 4 from appearing not hard up, the loss takes place for the prestressing force, through setting up inside anchor section 3 stabilized soil layer or the rock stratum outside latent smooth surface, avoid stock body 1 can receive the influence of repeated load at the in-process that plays the effect, through setting up anchor section 3 overburden thickness and be not less than 4.5M, avoid higher slip casting pressure to make overburden uplift, thereby guarantee stock anchoring system's overall stability in general, guarantee stock body 1's reinforcement effect.
As a specific embodiment of the present invention, as shown in fig. 1 to 2, a plurality of connection holes 8 are formed in the interior of the anchor body 1 near the lower end of the spreader mechanism 9, so as to enable the exterior slurry of the anchor body 1 to have connectivity with the interior slurry, and enable the connection between the anchor body 1 and the slurry to be tighter.
During operation, stock body 1 is after the slip casting, and the outside slurry and the inside slurry of stock body 1 do not have the connectivity, influence the anchor effect of stock body 1, through setting up a plurality of connecting holes 8, after the slip casting is accomplished the slurry and is mixed dry back, the outside slurry and the inside slurry of stock body 1 have the connectivity, make the anchor body 1 inseparabler with being connected between the slurry to improve the anchor effect of stock body 1.
The working principle is as follows: the invention enlarges the front end anchoring area of the anchoring section 3 of the anchor rod body 1 by arranging the anchoring mechanism 10, improves the front end anchoring force of the anchoring section 3, when the triangular plate 103 is arranged in the anchor rod body 1 for grouting, because the anchor rod body 1 needs to be extruded when in grouting, the extrusion force of the slurry and the pressure of the grouting can overcome the torsion force of the torsion spring 102 to prop open the triangular plate 103 to 95-115 degrees, thus improving the anchoring area, thereby achieving the aim of improving the anchoring force, the propping mechanism 9 is arranged to ensure that the triangular plate 103 of the anchoring mechanism 10 can prop open 125-180 degrees, ensuring that the improved anchoring area is larger, the improved anchoring force is larger, the inner rod 91 is rotated until extending out of the front end outlet of the anchor rod body 1, at the moment, because the torsion spring 102 is also arranged on the outer surface of the second annular rotating rod 93 in a surrounding way, the elastic restraining force of the torsion spring 102 is relieved, the bracing rod 94 is expanded to form an inverted hook shape to generate a pullback effect on the triangular plate 103, the inner rod 91 is pulled back, the brace 94 can generate opposite tension force to the direction of the anchor rod body 1 to the triangular plate 103 during pulling back, the extrusion force of slurry and the pressure of grouting overcome the extrusion force around the soil layer of the triangular plate 103 during grouting, and the triangular plate 103 of the anchoring mechanism 10 can be stretched by 125-180 degrees, so that the improved anchoring area is larger, higher embedding strength with the surrounding soil body is ensured, and the anchoring force of the anchor rod body 1 is improved, through the arrangement of the detection mechanism 5, when the prestress needs to be measured, because the load of the unstable rock and soil body on the surface layer is transmitted to the deep stable position of the rock and soil body after the anchor rod body 1 is installed, the anchor rod body 1 can generate downward tension force, the anchor head 4 can be driven to move towards the installation direction of the anchor rod body 1, at the moment, the anchor head 4 can extrude the spring 52, because the yield strength of the spring 52 is more than or equal to the prestress born by the bearing plate 6 when the anchor rod body 1 is installed, the spring 52 with the yield strength equal to the required prestress is used, the prestress is determined to be enough when the spring 52 is completely compressed, and whether the prestress of the anchor rod body 1 is enough can be visually checked.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
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 (6)
1. The utility model provides a slope reinforcement stock for building engineering, includes stock body (1), its characterized in that: the anchor rod body (1) is divided into an upper section, a middle section and a lower section which are sequentially an anchor head (4), a free section (2) and an anchoring section (3), a detection mechanism (5) is arranged at the position, close to the anchor head (4), of the upper end of the outer surface of the anchor rod body (1), a pressure bearing plate (6) is fixedly installed at the lower end of the outer surface of the detection mechanism (5), the anchor rod body (1) penetrates through the middle position of the outer surface of the upper end of the pressure bearing plate (6), fixing mechanisms (7) are arranged at the lower end of the outer surface of the detection mechanism (5) and close to two sides of the anchor rod body (1), a spreading mechanism (9) is arranged at the middle position inside the anchor rod body (1), and an anchoring mechanism (10) is arranged at the lower end of the anchor rod body (1);
the anchoring mechanism (10) comprises a first annular rotating rod (101), a torsion spring (102) and a triangular plate (103), wherein the plurality of triangular plates (103) are fixedly installed on the outer surface of the first annular rotating rod (101), and the torsion spring (102) is arranged on the outer surface of the first annular rotating rod (101) in a surrounding mode and used for limiting the triangular plate (103) to rotate before the anchor rod body (1) is not installed, so that the triangular plate (103) is prevented from scratching operators;
vaulting mechanism (9) are including interior pole (91), injected hole (92), second annular bull stick (93), vaulting pole (94) and semi-circular head (95), interior pole (91) and stock body (1) swing joint, the surface upper end intermediate position of interior pole (91) runs through and sets up injected hole (92), the semi-circular head of lower extreme fixed mounting (95) of interior pole (91), interior pole (91) surface is close to semi-circular head (95) and encircles and set up second annular bull stick (93), encircle a plurality of vaulting poles (94) of fixed mounting on the surface of second annular bull stick (93), vaulting pole (94) are the same with the connected mode of set-square (103) and first annular bull stick (101) with second annular bull stick (93), also encircle on second annular bull stick (93) surface and set up torsional spring (102).
2. The slope reinforcement anchor rod for the building engineering as claimed in claim 1, wherein: detection mechanism (5) are including mounting groove (51), spring (52), fixed block (53), connecting block (54) and indicating mechanism (55), mounting groove (51) will begin in the surface lower extreme both sides of anchor head (4), the fixed mounting spring (52) of inside intermediate position of mounting groove (51), the one end fixed connection fixed block (53) of spring (52), the surface lower extreme fixed mounting connecting block (54) of fixed block (53), the surface intermediate position of fixed block (53) sets up indicating mechanism (55).
3. The slope reinforcement anchor rod for the building engineering as claimed in claim 2, wherein: the indicating mechanism (55) comprises a movable groove (551), an indicating needle (552) and a scale (553), the movable groove (551) is formed in the position, close to the universal end of the fixed block (53), of the outer surface of the anchor head (4), the indicating needle (552) is fixedly installed at the middle position of the front end of the outer surface of the fixed block (53) through the movable groove (551), and the scale (553) is arranged on the position, close to the corresponding position of the indicating needle (552), of the outer surface of the anchor head (4).
4. The slope reinforcement anchor rod for the building engineering as claimed in claim 2, wherein: fixed establishment (7) include spliced pole (71), barb (72), the surface lower extreme of connecting block (54) all sets up spliced pole (71) near the both sides of stock body (1), the lower extreme surface of spliced pole (71) encircles a plurality of barbs (72) of fixed mounting.
5. The slope reinforcement anchor rod for the building engineering as claimed in claim 1, wherein: the length of the free section (2) is not less than 5M, the anchoring section (3) is arranged in a stable soil layer or a rock stratum outside a potential slip surface, the potential slip surface is an area where landslide is easy to occur, and the thickness of a soil covering layer on the anchoring section (3) is not less than 4.5M.
6. The slope reinforcement anchor rod for the building engineering as claimed in claim 1, wherein: a plurality of connecting holes (8) are formed in the lower end, close to the spreading mechanism (9), of the inner portion of the anchor rod body (1) and used for enabling the external slurry and the internal slurry of the anchor rod body (1) to be connected, and the anchor rod body (1) and the slurry are connected more tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601637.6A CN113481982A (en) | 2021-05-31 | 2021-05-31 | Slope reinforcing anchor rod for constructional engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601637.6A CN113481982A (en) | 2021-05-31 | 2021-05-31 | Slope reinforcing anchor rod for constructional engineering |
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| CN113481982A true CN113481982A (en) | 2021-10-08 |
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| CN202110601637.6A Pending CN113481982A (en) | 2021-05-31 | 2021-05-31 | Slope reinforcing anchor rod for constructional engineering |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482041A (en) * | 2022-01-12 | 2022-05-13 | 浙江天弘机器人科技有限公司 | Intelligent ground anchor pile and working method thereof |
| CN114673180A (en) * | 2022-04-24 | 2022-06-28 | 江西师范高等专科学校 | Geotechnical engineering side slope support of high stability |
| CN115094923A (en) * | 2022-06-29 | 2022-09-23 | 山东省路桥集团有限公司 | Be applied to stable protector of soil property high slope protection |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415805A (en) * | 2002-12-12 | 2003-05-07 | 上海交通大学 | Ship anchor type anchor head of ground anchor in grouting stretch model |
| CN102704972A (en) * | 2012-06-29 | 2012-10-03 | 山东大学 | Prestress measuring anchor rod and using method |
| CN103422872A (en) * | 2013-08-08 | 2013-12-04 | 淮南矿业(集团)有限责任公司 | Anchor rod device |
| CN203452813U (en) * | 2013-05-23 | 2014-02-26 | 安徽理工大学 | Detector for pretightening force of anchor rod |
| CN204959746U (en) * | 2015-08-18 | 2016-01-13 | 河海大学 | Expand integral type stock soon |
| EP3135821A1 (en) * | 2015-08-27 | 2017-03-01 | Wharang Foundation Co., Ltd. | Structure of permanent anchor |
| CN206385555U (en) * | 2017-01-01 | 2017-08-08 | 陕西工业职业技术学院 | A kind of civil engineering side slope bolt grouting head device |
| CN107989037A (en) * | 2018-01-17 | 2018-05-04 | 上海智平基础工程有限公司 | A kind of enlarged footing anchor structure |
| CN110093920A (en) * | 2019-05-06 | 2019-08-06 | 安徽企服工程技术有限公司 | A kind of architectural engineering slope reinforcement anchor pole |
| CN210658343U (en) * | 2019-09-09 | 2020-06-02 | 重庆中辅建设工程有限公司 | Expand body resistance to plucking stock |
-
2021
- 2021-05-31 CN CN202110601637.6A patent/CN113481982A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415805A (en) * | 2002-12-12 | 2003-05-07 | 上海交通大学 | Ship anchor type anchor head of ground anchor in grouting stretch model |
| CN102704972A (en) * | 2012-06-29 | 2012-10-03 | 山东大学 | Prestress measuring anchor rod and using method |
| CN203452813U (en) * | 2013-05-23 | 2014-02-26 | 安徽理工大学 | Detector for pretightening force of anchor rod |
| CN103422872A (en) * | 2013-08-08 | 2013-12-04 | 淮南矿业(集团)有限责任公司 | Anchor rod device |
| CN204959746U (en) * | 2015-08-18 | 2016-01-13 | 河海大学 | Expand integral type stock soon |
| EP3135821A1 (en) * | 2015-08-27 | 2017-03-01 | Wharang Foundation Co., Ltd. | Structure of permanent anchor |
| CN206385555U (en) * | 2017-01-01 | 2017-08-08 | 陕西工业职业技术学院 | A kind of civil engineering side slope bolt grouting head device |
| CN107989037A (en) * | 2018-01-17 | 2018-05-04 | 上海智平基础工程有限公司 | A kind of enlarged footing anchor structure |
| CN110093920A (en) * | 2019-05-06 | 2019-08-06 | 安徽企服工程技术有限公司 | A kind of architectural engineering slope reinforcement anchor pole |
| CN210658343U (en) * | 2019-09-09 | 2020-06-02 | 重庆中辅建设工程有限公司 | Expand body resistance to plucking stock |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482041A (en) * | 2022-01-12 | 2022-05-13 | 浙江天弘机器人科技有限公司 | Intelligent ground anchor pile and working method thereof |
| CN114482041B (en) * | 2022-01-12 | 2024-02-02 | 浙江天弘机器人科技有限公司 | Intelligent ground anchor pile and working method thereof |
| CN114673180A (en) * | 2022-04-24 | 2022-06-28 | 江西师范高等专科学校 | Geotechnical engineering side slope support of high stability |
| CN114673180B (en) * | 2022-04-24 | 2023-10-03 | 江西师范高等专科学校 | Geotechnical engineering side slope support of high stability |
| CN115094923A (en) * | 2022-06-29 | 2022-09-23 | 山东省路桥集团有限公司 | Be applied to stable protector of soil property high slope protection |
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