High slope anchor cable slurry injection and return pipeline system device

Abstract

The utility model discloses a high slope anchor cable grout injection and return pipeline system device, which relates to the field of geotechnical engineering high slope support, and realizes efficient segmented grouting and grout discharge by arranging a cloth bag type grout stop belt and a plugging plate at the junction of an anchoring section and a free section and arranging an anchoring section grouting pipe, a free section grouting pipe and a grout return pipe. The conical grout stopping plate and the adjusting rod are matched so that flexible adjustment and rapid separation can be achieved in the pushing installation and later maintenance process, the grout stopping belt is protected against rock wall abrasion, it is guaranteed that grout is fully filled in a target section only, and the grouting quality and the protection reliability are improved.

Description

Technical Field

[0001] This utility model relates to the field of high slope support technology in geotechnical engineering, specifically a high slope anchor cable grouting pipeline system device. Background Technology

[0002] With the large-scale development of various transportation, water conservancy, and municipal construction projects in steep geological environments, high slope protection has become one of the important issues in geotechnical engineering. Prestressed anchor cables are increasingly widely used due to their advantages such as high bearing capacity and minimal disturbance to the soil and rock mass. However, the construction of high slope anchor cables often involves complex situations such as groundwater interference and interaction between different geological layers. If effective segmented grouting and grout return cannot be achieved, problems such as incomplete grouting in the anchoring section or grout seepage in the free section can easily occur, directly affecting the anchoring effect and service life of the anchor cable. Therefore, how to achieve reliable anchor cable grouting and return control in high slope environments has become a technical problem that urgently needs to be solved in this field.

[0003] In terms of existing technology, Chinese invention patent CN114059532B discloses a pressure-bearing expanded-body bladder anchoring structure and an anchoring method for soft soil geology. By setting bladder anchor cables in the borehole and performing multi-stage anchoring segments, it effectively solves the problems of anchor cable tension not reaching the design value and easy stress loss in soft soil strata. However, this pressure-bearing expanded-body bladder anchoring structure is mainly for soft soil geology. The grouting and expansion operations during construction are relatively complex. In the case of high slope rock mass environment with fractured geological structure and developed groundwater, it is easy to encounter problems such as difficulty in accurately segmenting grouting and insufficient controllability of on-site operation.

[0004] Chinese invention patent CN104018499B discloses a grouting method that saves grouting volume in the tensioning section of prestressed anchor cables. By wrapping the tensioning section of the anchor cable with geotextile bags and performing staged grouting, the leakage of grout and material waste are reduced, and the economy is improved. However, this solution mainly focuses on reducing the amount of grouting in the tensioning section. It still has shortcomings in dealing with grouting at the junction of the free section and the anchoring section in complex slopes and groundwater drainage. It cannot fully solve the problems of separation between the grouting section and the free section and flexible control of drainage and grouting in the hole in the construction environment of high slopes.

[0005] While the above design has achieved certain results in anchoring soft soil layers and saving grout usage, it still has the following limitations under complex geological conditions of high slopes (such as abundant groundwater, fractured rock mass, or the presence of multi-layered interactive soil and rock structures): it cannot effectively block the cross-section seepage of grout, which makes it easy for the grouting of the anchoring section and the free section to affect each other; there is insufficient control over the drainage of groundwater and the observation of grout quality, making it difficult to detect and eliminate water and soil mixing in a timely manner during the grouting process; the grout-stopping measures and the protective measures during the installation and pushing of anchor cables are weak, which can easily damage the grout-stopping materials or lead to unstable grouting quality. Utility Model Content

[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and propose a high slope anchor cable grouting pipeline system to solve the above-mentioned problems.

[0007] The purpose of this utility model is achieved through the following technical solution: a high slope anchor cable grouting pipeline system device, including an anchor cable, the anchor cable including a free section and an anchoring section, the anchor cable is composed of a grout return pipe and several steel strands, a grout stop ring is fixedly connected between the free section and the anchoring section, multiple wire rings are arranged between the multiple steel strands along the axis of the steel strands, the grout stop ring includes a sealing plate, the outer end of the sealing plate is fixedly connected to a grout stop strip through a fixing ring, the same anchoring section grouting pipe and grout return pipe are fixedly connected to the anchoring section and the free section, the free section grouting pipe is fixedly connected inside the free section, a grout stop plate is slidably connected to the anchoring section, an adjusting rod is threadedly connected to the grout stop plate, the end of the adjusting rod away from the grout stop plate passes through the grout return pipe, and the passing part extends to the outside of the grout return pipe.

[0008] The distance between the end of the grouting pipe in the anchoring section and the end of the anchoring section away from the free section is 0.25 meters. Both the grouting pipe and the return grouting pipe in the anchoring section penetrate the sealing plate, and the distance between the penetrating part of the return grouting pipe and the sealing plate is 10-15 centimeters.

[0009] The end of the grouting pipe in the free section is 10-15 cm away from the sealing plate. The spacing between multiple overhead wire rings on the free section is 1 meter, and the spacing between multiple overhead wire rings on the anchored section is 2 meters.

[0010] The grouting pipes in the anchoring section, the return grouting pipe, and the grouting pipes in the free section are all made of polyethylene hoses, and the grout-stopping tape is a cloth bag-type grout-stopping bag.

[0011] The end of the grout stop plate near the grout stop strip is tapered, and the tapered end with a smaller diameter is positioned close to the grout stop strip.

[0012] The adjusting rod has a break-off end near the grout stop plate, which is used to break the adjusting rod by twisting it when needed, thereby separating the grout stop plate from the adjusting rod.

[0013] The grout stop plate is slidably connected to the steel strand, the grouting pipe of the anchor section, and the return grout pipe. The outer diameter of the grout stop plate is larger than the outer diameter of the grout stop strip, and the outer diameter of the grout stop strip is smaller than the inner diameter of the anchor cable borehole. The grout stop plate is used to prevent the grout stop strip from being scratched by the rock wall during the pushing and installation process.

[0014] Once the anchor cable is in place, pull the adjusting rod outward. The adjusting rod will move the grout stop plate. During the movement, the grout stop plate will squeeze the grout stop strip, causing the end of the grout stop strip near the anchoring section to expand. After the grout enters, the grout stop strip will be stretched open by the grout to achieve the grout stop effect.

[0015] The beneficial effects of this utility model are:

[0016] 1. A grout-stop ring is installed at the junction of the free section and the anchoring section of the anchor cable, and each section is equipped with a corresponding grouting pipe and a grout return pipe. This enables segmented grouting, ensuring that the grout circulates and saturates only within the corresponding section and does not seep into other sections, thereby improving the overall grouting quality and anchoring efficiency of the anchor cable.

[0017] 2. Using a bag-type grout stop tape in conjunction with a sealing plate can not only better prevent grout from flowing across sections, but also expand and adhere tightly to the inner wall of the borehole under the pressure of the grout, forming a stable sealing effect. Combined with the extrusion design of the conical grout stop plate, the bag-type grout stop tape is more fully protected during the pushing or pulling process, further reducing the possible wear and leakage risks.

[0018] 3. By setting up return grout pipes and maintaining a reasonable extension gap at the sealing plate, water accumulated in the anchoring section or borehole and air or impurities during the grouting process can be discharged in a timely manner. When the concentration of the discharged grout is close to that of the injected grout, the construction personnel can judge whether the grouting is full, which simplifies the on-site judgment procedure and significantly improves the construction efficiency.

[0019] 4. The steel strand is fixed in sections using several overhead wire rings on the outside. Different spacing can be used for different construction sections (free section, anchored section) to ensure overall stress balance and facilitate the positioning and binding of grouting pipes in the anchored section, grout return pipe and grouting pipe in the free section. The grout stop plate and anchor cable are connected by a sliding connection and driven by an adjusting rod, which can be finely adjusted or quickly pulled when needed to meet diverse construction needs.

[0020] 5. The end of the grout stop plate near the bag-type grout stop strip is designed with a tapered shape, which can provide pre-protection for the grout stop strip during the pushing or pulling of the anchor cable. Since the outer diameter of both the grout stop plate and the grout stop strip is smaller than the borehole diameter, but the outer diameter of the grout stop plate is larger than that of the grout stop strip, the grout stop plate contacts the rock wall first in the borehole, reducing the risk of the grout stop strip being directly scratched by the rock wall.

[0021] 6. The adjusting rod has a break point near the grout stop plate, so that if the grout stop plate needs to be disassembled or replaced later, the grout stop plate can be quickly separated by simply breaking the adjusting rod. This avoids the tedious process of disassembling the anchor cable assembly again, reduces the interference of construction on other components, and leaves more flexible operating space for later inspection and maintenance.

[0022] 7. Polyethylene hoses are used as grouting pipes and return pipes. They have good corrosion resistance and durability, as well as sufficient flexibility to adapt to various construction environments and processes. The bag-type grouting tape is also more adaptable to construction conditions and can be applied to high slope projects with different geological conditions to meet the application needs of complex engineering environments. Attached Figure Description

[0023] Figure 1This is an overall structural diagram of the present invention;

[0024] Figure 2 This is a side view of the present invention;

[0025] Figure 3 For the present utility model Figure 2 BB section view;

[0026] Figure 4 For the present utility model Figure 3 CC section view;

[0027] Figure 5 For the present utility model Figure 3 DD section view;

[0028] Figure 6 For the present utility model Figure 3 EE section view;

[0029] Figure 7 This is an exploded view of the entire utility model;

[0030] Figure 8 This is a structural diagram of the present utility model.

[0031] Explanation of the labels in the diagram

[0032] 1. Steel strand; 2. Stringing ring; 3. Sealing plate; 4. Fixing ring; 5. Grout stop strip; 6. Anchoring section grouting pipe; 7. Return grout pipe; 8. Free section grouting pipe; 9. Grout stop plate; 10. Adjusting rod. Detailed Implementation

[0033] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0034] It should be noted that the directional concepts of "left", "right", "up", "down", "front", "back", "inner", and "outer" in the following scheme are all relative directions, and will not be listed one by one here.

[0035] Example 1:

[0036] like Figures 1 to 8As shown in Embodiment 1, a high slope anchor cable grouting pipeline system includes several steel strands 1. The steel strands 1 are divided into free sections and anchor sections, which are separated by a grout-stopping ring. The grout-stopping ring consists of a sealing plate 3, a fixing ring 4, and a grout-stopping strip 5 connected to the fixing ring 4, thereby forming an effective isolation between the free section and the anchor section of the anchor cable.

[0037] To stabilize and standardize the relative position of the anchor cable and the pipe, several wire loops 2 are distributed along the axial direction among multiple steel strands 1. These loops can properly bind and fix components such as the anchor cable bundle, the anchor section grouting pipe 6, the return grouting pipe 7, and the free section grouting pipe 8, thereby ensuring that the parts are parallel and not easily tangled during the installation of the push cable.

[0038] Anchorage section grouting pipe 6 and return grouting pipe 7 are provided together on the anchorage section and the free section. A free section grouting pipe 8 is also fixed in the free section. A grout stop plate 9 is slidably connected on the anchorage section. An adjusting rod 10 is connected to the grout stop plate 9 by means of threads. The end of the adjusting rod 10 away from the grout stop plate 9 passes through the return grouting pipe 7 and the passing part extends outward, which is used to adjust the position of the grout stop plate 9 in subsequent operations.

[0039] In this embodiment 1, the end of the anchoring section grouting pipe 6 furthest from the free section is 0.25 meters away from the end of the anchoring section furthest from the free section, which can achieve full injection of grout into the anchoring section; at the same time, both the anchoring section grouting pipe 6 and the return grouting pipe 7 penetrate the sealing plate 3, and the return grouting pipe 7 extends 10 to 15 centimeters after passing through the sealing plate 3. This spacing design can ensure sufficient extra space during grouting, making it easy to observe and discharge the mixed water or grout from the return grouting pipe 7.

[0040] The distance between the end of the free section grouting pipe 8 near the sealing plate 3 and the sealing plate 3 is also controlled between 10 and 15 centimeters to ensure that the free section grouting pipe 8 can effectively cooperate with the grout-stopping ring and achieve smooth operation during segmented grouting. At the same time, the spacing between the multiple overhead wire rings 2 on the free section is 1 meter, while the spacing between the multiple overhead wire rings 2 on the anchoring section is 2 meters. This facilitates the fixing of pipelines in the free section and ensures the stability of the steel strands 1 and each pipeline in the anchoring section.

[0041] In terms of materials, the anchoring section grouting pipe 6, the return grouting pipe 7, and the free section grouting pipe 8 are all made of polyethylene hose, which has good corrosion resistance and flexibility; the grout-stopping strip 5 is a cloth bag-type grout-stopping bag, which is connected to the sealing plate 3 through the fixing ring 4 at the outer end of the sealing plate 3, and has a good sealing and grout-stopping effect.

[0042] Work process

[0043] Installation and fixing

[0044] During construction, the anchor cable drilling is completed according to the design requirements, and the steel strand 1, anchor section grouting pipe 6, return grouting pipe 7 and free section grouting pipe 8 are pre-assembled. In specific operation, the above components are bundled together at the specified intervals using the overhead wire ring 2.

[0045] Subsequently, the entire anchor cable assembly, including the grout stop plate 9 and the grout stop strip 5, is pushed into the borehole from the orifice to make the anchoring section reach the predetermined depth. During the process, the grout stop strip 5 and the sealing plate 3 are combined at the boundary between the anchoring section and the free section to achieve segmented isolation of the grout. The adjusting rod 10, which runs through and extends from the grout return pipe 7, is also pushed into the hole at this time to facilitate subsequent pulling and adjustment.

[0046] Grouting of anchorage section

[0047] After the anchor cable assembly is in place, grouting is first carried out into the anchor section through the grouting pipe 6. Since a space of about 0.25 meters is reserved at the bottom of the anchor section, the grout can fully reach the end of the anchor section and complete the grouting. If there is groundwater or residual air in the hole, it will be discharged to the outside of the hole through the return grout pipe 7 along with the grout injection. When the return grout pipe 7 starts to return thick grout and the specific gravity of the returned grout is consistent with the specific gravity of the injected grout, it can be judged that the anchor section has been fully grouted.

[0048] The grout-stopping strip 5 effectively isolates the anchoring section and the free section at the sealing plate 3. Therefore, even if the grouting pressure fluctuates slightly, it is difficult to break through the grout-stopping ring and enter the free section, thus achieving the purpose of segmented grouting.

[0049] Tensioning and secondary grouting

[0050] After the anchorage section is grouted and reaches the design strength, prestressing tensioning is carried out: the designed tension value is applied through the tensioning device outside the anchor cable. If adjustments are required during the tensioning process, the adjusting rod 10 can be pulled lightly to drive the grout stop plate 9 to slide on the anchorage section to assist in positioning or protect the grout stop strip 5. After the tensioning is completed and locked, the free section can be grouted again using the free section grouting pipe 8 to further improve the protection and reinforcement functions of the overall anchor cable system.

[0051] In this embodiment 1, by setting a sealing plate 3 and a grout-stopping strip 5 between the free section and the anchoring section, and by pre-planning the channel positions of the grouting pipe 6 in the anchoring section, the grouting pipe 8 in the free section, and the return grout pipe 7, segmented grouting can be effectively achieved, ensuring the fullness of the grout in the anchoring section and the free section, and avoiding mixed grouting or leakage.

[0052] The grout return pipe 7 is kept 10-15 cm away from the sealing plate 3. This not only allows groundwater or gas to be discharged in a timely manner during the grouting process, but also allows the concentration of grout returned at the grout outlet to be used as a basis for judging whether the grouting is in place. This simplifies the on-site judgment process and improves the construction accuracy.

[0053] By arranging multiple overhead wire rings 2 on the steel strand 1 and setting different spacings on the free section and the anchoring section respectively, the grouting pipe 6, the return grout pipe 7, and the grouting pipe 8 of the free section can be flexibly fixed during construction. In addition, the design of the adjustment rod 10 and the grout stop plate 9 makes the installation and tensioning process easier and more convenient.

[0054] The anchoring section grouting pipe 6, the return grouting pipe 7, and the free section grouting pipe 8 are made of polyethylene hoses, which have good corrosion resistance and sealing performance and can withstand long-term complex working conditions. The grout-stopping strip 5, as a bag-type grout-stopping bag, expands to stop grouting when filled with cement grout, which can further improve the durability and stability of the high slope anchor cable.

[0055] In summary, this embodiment 1 ensures the segmented grouting and secondary grouting requirements for high slope anchor cable construction while also possessing high construction reliability and ease of operation, effectively improving the overall quality and efficiency of high slope protection.

[0056] Example 2:

[0057] like Figures 1 to 8 As shown, in this embodiment 2, based on embodiment 1, a tapered structure is designed for the end of the grout-stopping plate 9 near the grout-stopping strip 5, and the end with the smaller diameter of the tapered structure faces the grout-stopping strip 5. This tapered design can better fit and squeeze with the grout-stopping strip 5 during the pushing or pulling process, so that the grout-stopping strip 5 is in close contact with the borehole wall, thereby achieving a better grout-stopping effect. Specifically, when the anchor cable is pushed to the designed position, the tapered end of the grout-stopping plate 9 can smoothly pass through the rock burrs or uneven parts that may exist in the borehole, and gradually "wedge" towards the grout-stopping strip 5 under the action of external force, thereby ensuring that the cloth part of the grout-stopping strip 5 is safely attached between the anchoring section and the free section.

[0058] To meet the need to remove or separate the grout stop plate 9 during specific construction or maintenance phases, this embodiment 2 has a dedicated torsion break opening at the end of the adjusting rod 10 near the grout stop plate 9. When the grout stop plate 9 needs to be separated from the adjusting rod 10 during construction or subsequent inspection, the adjusting rod 10 can be twisted appropriately to break it at the torsion break opening, thereby achieving rapid separation of the grout stop plate 9 from the adjusting rod 10, which facilitates subsequent operations (such as secondary grouting).

[0059] The grout-stopping plate 9, steel strand 1, anchor section grouting pipe 6, and return grouting pipe 7 are all connected by a sliding connection, which allows for position adjustment as needed during pushing or pulling. Furthermore, the outer diameter of the grout-stopping plate 9 is larger than the outer diameter of the grout-stopping strip 5, while the outer diameter of the grout-stopping strip 5 is slightly smaller than the inner diameter of the anchor cable borehole. This dual design has two advantages:

[0060] On the one hand, the grout stop plate 9 can act as a "pre-protection ring" during the pushing and installation process, preventing the grout stop strip 5 from being damaged by direct friction with the rough rock wall; on the other hand, when the grout stop strip 5 is subjected to grout pressure in the later stage, it can fully expand within the borehole inner diameter range, thereby achieving a good grout stop sealing effect.

[0061] Once the anchor cable is installed to the predetermined depth, the construction personnel can pull the adjusting rod 10 outward. At this time, the adjusting rod 10 will drive the grout stop plate 9 to slide outward along the steel strand 1 and the grouting pipe 6 and return pipe 7 of the anchor section. During the sliding process, the conical end of the grout stop plate 9 will gradually press against the grout stop strip 5, thereby causing the end of the grout stop strip 5 near the anchor section to expand, providing pre-expansion conditions for the subsequent filling of the bag with grout. After the grout is officially injected, it will further expand the grout stop strip 5, making it firmly adhere to the inner wall of the borehole and preventing the grout from spreading to the free section.

[0062] Work process

[0063] Component pre-assembly and installation

[0064] During the anchor cable fabrication stage, similar to Example 1, several steel strands 1, anchor section grouting pipes 6, return grouting pipes 7, and free section grouting pipes 8 are bundled and tied together. The spacing is fixed by the wire ring 2. The grout stop plate 9 is fitted onto the corresponding part of the anchor section and can slide within a certain range. One end of the adjusting rod 10 is connected to the grout stop plate 9 by a thread, and a torsion break is set near the grout stop plate 9. The far end passes through the return grouting pipe 7 and extends out of the anchor cable hole.

[0065] The assembled anchor cable assembly is pushed into the orifice, with the conical end face of the grout stop plate 9 facing the grout stop strip 5, and a certain separation distance is maintained throughout the pushing process to avoid damage to the grout stop strip 5.

[0066] Grout stop strip 5 is protected and initially positioned.

[0067] Since the outer diameter of the grout stop plate 9 is slightly larger than the outer diameter of the grout stop strip 5, and both are smaller than the inner diameter of the borehole, the grout stop plate 9 contacts the borehole wall first when being pushed, which protects the grout stop strip 5 and prevents the grout stop strip 5 from rubbing strongly against the rock wall. When the anchor cable is pushed to the predetermined depth, the grout stop strip 5 is temporarily in the boundary position when the construction personnel grout the anchor section. Only the grout is allowed to spread within the anchor section. When the grout return pipe 7 stops returning grout or thick grout appears, it indicates that the anchor section has been fully grouted.

[0068] Pull the adjusting rod 10 to compress the slurry stop belt 5

[0069] After the grouting of the anchoring section is completed and reaches the required strength, the anchor cable is tensioned. If additional compensation or further strengthening of the fit of the grout stop 5 is required, the construction personnel can pull the adjusting rod 10 from the outside. At this time, the adjusting rod 10 will drive the grout stop plate 9 to slide outward, further pressing the grout stop 5 into the boundary of the anchoring section. At the same time, the effect of the conical end will also make the grout stop 5 fit better and tighter.

[0070] If the grout stop plate 9 needs to be removed for later maintenance or repair, the adjusting rod 10 can be twisted off externally to separate the grout stop plate 9 from the adjusting rod 10, thus avoiding interference in subsequent operations.

[0071] Tensioning and free section grouting

[0072] Similar to Example 1, once the anchorage section meets the strength requirements, it can be tensioned and locked in stages. Subsequently, secondary grouting is completed through the free section grouting pipe 8 to ensure that the free section can also form a complete protective layer, effectively improving the durability of the entire anchor cable system. Since the grout stop 5 is firmly attached to the boundary of the anchorage section under the dual action of the grout stop plate 9 and the grout pressure, the grout will not seep into the anchorage section during secondary grouting, thus achieving the goal of segmented grouting construction in a true sense.

[0073] The fit between the grout stop plate 9 and the grout stop strip 5, especially the fact that the outer diameter of the grout stop plate 9 is larger and the tapered end faces the grout stop strip 5, can fully protect the bag-type grout stop strip 5 from being scratched by the rock wall during long-distance pushing, thus improving the integrity rate of the grout stop strip 5.

[0074] The twist-off end of the adjusting rod 10 near the grout stop plate 9 provides greater flexibility for construction workers during actual construction: when the grout stop plate 9 needs to be moved or removed after construction is completed, simply twist the adjusting rod 10 to separate the grout stop plate 9, avoiding repeated disassembly and assembly from interfering with other components.

[0075] When the conical grout stop plate 9 is pulled outward, it continuously squeezes the grout stop strip 5, making the grout stop strip 5 fit more tightly, indirectly reducing the risk of grout leakage along the periphery of the bag. When the grout is injected from the anchor section or the free section through their respective independent channels, it can achieve ideal fullness and load-bearing capacity.

[0076] When the anchor cable needs to be inspected or some parts replaced after a period of use, the grout stop plate 9 can be quickly disassembled through the torsion break design of the adjusting rod 10, which reduces the construction difficulty and cost of later maintenance and provides more possibilities for subsequent monitoring and maintenance of the project.

[0077] In summary, based on Example 1, Example 2 further improves the protection measures for segmented grouting construction of anchor cables by using the conical structure of the grout stop plate 9, the torsion break of the adjusting rod 10, and the tighter fit between the grout stop plate 9 and the grout stop strip 5. It also significantly enhances the flexibility and reliability of the grout stop components in the installation, use, and maintenance stages, and greatly improves the construction quality and service life of the high slope anchor cable system in complex environments.

[0078] The above description is only a preferred embodiment of the present utility model. It should be understood that the present utility model is not limited to the form disclosed herein and should not be regarded as an exclusion of other embodiments. It can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and changes made by those skilled in the art that do not depart from the spirit and scope of the present utility model should be protected within the scope of the appended claims.

Claims

1. A high slope anchor cable grouting pipe system device, comprising an anchor cable, the anchor cable comprising a free section and an anchoring section, the anchor cable being composed of a grouting pipe (7) and a plurality of steel strands (1), a grouting stop ring being fixedly connected between the free section and the anchoring section, characterized in that, A plurality of said steel strand (1) between the steel strand (1) axis direction is provided with a plurality of wire frame ring (2), the stop grouting ring includes the blocking plate (3), the blocking plate (3) outer end is fixedly connected with the grouting stop band (5) through the fixed ring (4), the anchoring section and the free section are fixedly connected with the same anchoring section grouting pipe (6) and the back grouting pipe (7), the free section is fixedly connected with the free section grouting pipe (8), the anchoring section is slidably connected with the grouting stop plate (9), the grouting stop plate (9) is threadedly connected with the adjusting rod (10), the adjusting rod (10) end away from the grouting stop plate (9) penetrates the back grouting pipe (7), and the penetrating portion extends to the outside of the back grouting pipe (7).

2. The high slope anchor cable grouting pipeline system device according to claim 1, characterized in that: The anchoring section grouting pipe (6) is away from the free section one end and the anchoring section is away from the free section one end 0.25 meters, the anchoring section grouting pipe (6) and the back grouting pipe (7) all penetrate the blocking plate (3), and the penetrating portion of the back grouting pipe (7) is away from the blocking plate (3) 10-15 cm.

3. The high slope anchor cable grouting pipeline system device according to claim 1, characterized in that: The free section grouting pipe (8) is close to the blocking plate (3) one end and the blocking plate (3) is away from 10-15 cm, the plurality of wire frame ring (2) on the free section is 1 meter apart, the plurality of wire frame ring (2) on the anchoring section is 2 meters apart.

4. The high slope anchor cable grouting pipe line system device of claim 1, wherein: The anchoring section grouting pipe (6), the back grouting pipe (7) and the free section grouting pipe (8) are all made of polyethylene hose, and the grouting stop band (5) is a cloth bag type grouting bag.

5. The high slope anchor cable grouting pipe line system device of claim 1, wherein: The grouting stop plate (9) is tapered structure close to the grouting stop band (5) one end, and the smaller diameter end of the tapered structure is close to the grouting stop band (5).

6. The high slope anchor cable grouting pipe line system device of claim 1, wherein: The adjusting rod (10) is provided with a torsional break at one end close to the grouting stop plate (9), so that the adjusting rod (10) is broken and the grouting stop plate (9) is separated from the adjusting rod (10) by twisting the adjusting rod (10) when needed.

7. The high slope anchor cable grouting pipe line system device of claim 1, wherein: The grouting stop plate (9) is slidably connected with the steel strand (1), the anchoring section grouting pipe (6) and the back grouting pipe (7), the outer diameter of the grouting stop plate (9) is greater than the outer diameter of the grouting stop band (5), and the outer diameter of the grouting stop band (5) is smaller than the inner diameter of the anchor cable drill hole, so that the grouting stop plate (9) is used to prevent the grouting stop band (5) from being scratched by the rock wall during pushing and installation.

8. The high slope anchor cable grouting pipe line system device of claim 1, wherein: When the anchor cable is installed in place, the adjusting rod (10) is pulled outward, the adjusting rod (10) drives the grouting stop plate (9) to move, the grouting stop plate (9) is pressed in the moving process, the grouting stop band (5) is expanded close to the anchoring section, and the grouting stop band (5) is expanded by the grouting liquid after the grouting liquid enters, so that the grouting stop effect is achieved.

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