Shearing-resistant core-adjusting grouting pipe
By setting sleeves, core-aligning sleeves, and grouting holes on the shear anchor cable, the connection and axis alignment between the shear pipe and the anchor cable are achieved, solving the problems of high cost and environmental constraints, and realizing cost reduction and improved shear performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-03-24
AI Technical Summary
The high material properties of existing shear anchors result in high costs and limited application environments, and traditional grouting processes have failed to effectively enhance the shear resistance of anchors.
A shear-resistant, core-aligning grouting pipe structure was designed. By setting a sleeve, a core-aligning sleeve, and grouting holes on the shear-resistant pipe, the connection and axis alignment between the shear-resistant pipe and the anchor cable are achieved, and grouting is performed inside the sleeve to form an integral grouting reinforcement structure.
The cost of shear anchors has been reduced, their adaptability to different environments has been expanded, and their shear resistance has been enhanced through grouting.
Smart Images

Figure CN224031670U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of shearing anchor cable, specifically relates to shearing core adjusting grouting pipe. BACKGROUND
[0002] The shearing anchor cable is a structure for strengthening the foundation, which realizes the lateral shearing performance of the enhanced anchor cable structure by adding the shearing sleeve structure to the traditional anchor rod anchor cable and setting the corresponding limiting locking piece, and the shearing pipe structure in the shearing anchor cable is usually used to meet the mechanical performance requirement, and the material performance is high, so that the cost is high, and the use environment is greatly limited, in order to meet the functional strength requirement of the shearing anchor cable, the grouting anchor cable structure and the grouting pile process are combined, the functional performance of the shearing pipe is planned to be reduced to reduce the cost, and the grouting anchor cable process and the grouting pile process are matched, the shearing performance of the anchor cable is increased by the process of grouting into the shearing pipe, and for this, a new core adjusting grouting structure needs to be designed. SUMMARY
[0003] The utility model discloses a kind of shearing core adjusting grouting pipes to the defects and deficiencies of prior art, it is used for installing shearing pipe by setting connection structure on shearing pipe, and corresponding limiting structure is set to limit connection structure, to realize the adjustment alignment between the axis of shearing pipe and anchor cable, and grouting hole structure is also set on connection structure, to realize by grouting into shearing pipe, by shearing pipe as grouting structure outer wall, to realize the grouting reinforcement structure of forming anchor cable.
[0004] To achieve the above object, the utility model adopts the following technical scheme:
[0005] It contains anchor cable, shearing pipe, wherein shearing pipe is sleeved on anchor cable;Its characterized in that, it further contains:
[0006] Sleeve, the sleeve is sleeved on the anchor cable, and the lower end of the shearing pipe is inserted into the upper port of the sleeve;
[0007] The upper end of the sleeve is provided with a ball head structure;
[0008] Core adjusting sleeve, the core adjusting sleeve is sleeved on the anchor cable, and the core adjusting sleeve is inserted into the lower port of the sleeve, and the core adjusting sleeve is provided with a taper with a reduced diameter at the upper end;
[0009] Grouting hole, the grouting hole is opened on the side wall of the sleeve, and the grouting hole is provided with an inclined angle with the axis of the sleeve, and the grouting hole is provided between the lower end of the shearing pipe and the upper end of the core adjusting sleeve;
[0010] The axis of the grouting hole is provided with an inclined angle with the axis of the sleeve.
[0011] Preferably, the inner cavity of the sleeve is provided with a three-section structure, wherein the uppermost section is a connecting threaded hole, the middle section is a cylindrical cavity, and the inner diameter of the cylindrical cavity is smaller than that of the connecting threaded hole, and the lowermost section is a conical cavity.
[0012] Preferably, the outer wall of the lower end of the shear tube is provided with a connecting threaded groove, the shear tube is inserted into the connecting threaded hole through the connecting threaded groove, and the grouting hole is provided through the cylindrical cavity of the sleeve.
[0013] Preferably, the anchor cable is provided with a supporting threaded sleeve, the supporting threaded sleeve is provided with an adapter sleeve, and the adapter sleeve is inserted into the lower end of the core adjusting sleeve.
[0014] Preferably, the core adjusting sleeve is provided with two left-right symmetrical buckling members, the inner wall of one buckling member is provided with a limiting groove, the inner wall of the other buckling member is provided with two limiting grooves, the adapter sleeve is provided with three supporting pieces, the inner wall of each supporting piece is provided with a screw thread, the supporting pieces are engaged with the supporting threaded sleeve on the anchor cable through the screw threads, the outer wall of each supporting piece is provided with a limiting block, and the supporting pieces are slidably arranged in the limiting grooves of the buckling members through the limiting blocks.
[0015] Preferably, the inner wall of the shear tube is provided with a plurality of spacers arranged at equal angles, and the lower end of each spacer is arranged in one-to-one correspondence with the grouting hole.
[0016] The shear tube of the utility model has a hollow structure, the shear tube is connected with the anchor cable through the sleeve, the grouting hole is arranged on the sleeve, grouting is realized in the shear tube, the core adjusting sleeve and the adapter sleeve are further arranged, the core of the sleeve and the shear tube is adjusted, and the overall grouting pipe structure is formed. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic view of the utility model.
[0018] Figure 2 is Figure 1 a lower side view.
[0019] Figure 3 is a structural schematic view of the anchor cable in the utility model.
[0020] Figure 4 is a structural schematic view of the shear tube in the utility model.
[0021] Figure 5 is a structural schematic view of the sleeve in the utility model.
[0022] Figure 6 Figure 1 is a structural schematic diagram of the core adjusting sleeve in the utility model.
[0023] Figure 7 Figure 2 is a structural schematic diagram of the adaptive sleeve in the utility model.
[0024] Mark explanation:
[0025] Anchor cable 1, shear tube 2, sleeve 3, core adjusting sleeve 4, grouting hole 5, connecting threaded hole 6, connecting threaded groove 7, supporting threaded sleeve 8, adaptive sleeve 9, buckling piece 10, supporting sheet 11, screw thread 12, limiting groove 13, limiting block 14, spacer 15. Specific implementation
[0026] The technical solutions in the utility model will be described clearly and completely in combination with the drawings, and the preferred embodiments in the description are only taken as examples, and all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0027] As shown in Figures 1-7 the specific implementation, the following technical solutions are adopted:
[0028] Anchor cable 1, the anchor cable 1 is longitudinally through the whole structural system as a core bearing component; the supporting threaded sleeve 8 is sleeved and fixed on the anchor cable 1, and is used for forming meshing transmission with subsequent components;
[0029] Shear tube 2, the shear tube 2 is a tubular member and is sleeved outside the anchor cable 1, and the connecting threaded groove 7 is processed on the outside of the lower end of the pipe body;
[0030] Sleeve 3, the sleeve 3 is designed as a three-section type inner cavity structure as a connecting hub; the upper connecting threaded hole 6 section cooperates with the connecting threaded groove 7 on the shear tube 2 to form threaded connection, the middle cylindrical cavity is used as a grouting transition channel, and the lower part is a conical cavity; the grouting hole 5 is arranged in the middle of the cylinder wall and penetrates to the cylindrical cavity, forming a slurry distribution node;
[0031] The upper end of the sleeve 3 is a ball head structure;
[0032] Core adjusting sleeve 4, the core adjusting sleeve 4 adopts a split type buckling structure, and is composed of a conical sleeve body by the bolt connection of the symmetrically arranged buckling pieces 10; the upper conical surface thereof forms self-centering cooperation with the conical cavity of the sleeve 3, and the lower inner wall is provided with a limiting groove 13; the core adjusting sleeve 4 realizes the axis correction of the shear tube 2 by advancing through the conical surface;
[0033] The adapter sleeve 9 is composed of three independent supporting pieces 11 annularly buckled, the inner surface of the supporting piece 11 is provided with screw teeth 12 engaged with the supporting threaded sleeve 8, the outer surface is processed with a limiting block 14, the inner wall of the buckling piece 10 is provided with a limiting groove 13, the limiting block 14 of the supporting piece 11 cooperates with the limiting groove 13 of the buckling piece 10, the axial positioning and the rotary transmission of the adapter sleeve 9 and the core adjusting sleeve 4 are realized.
[0034] In use of the device, the anchor hole is opened on the foundation, the shear pipe 2 is screwed in the connecting threaded hole 6 on the sleeve 3 through the connecting threaded groove 7, and the connected two are sleeved on the anchor cable 1, then the anchor cable 1 is inserted into the anchor hole and fixed, after the anchor cable 1 is fixed, the sleeve 3 is pushed to push the shear pipe 2 into the anchor hole, then when the sleeve 3 is abutted against the rigging, the ball head of the sleeve 3 is abutted against the surface of the rigging, so that the sleeve 3 and the rigging still maintain the stable abutting connection in the inclined angle, then the two buckling pieces 10 of the core adjusting sleeve 4 are buckled on the anchor cable 1, the two buckling pieces 10 are fixed through the bolt connection, the core adjusting sleeve 4 of the buckling assembly is inserted into the conical cavity one end of the sleeve 3, then a group of three supporting pieces 11 are buckled on the anchor cable 1 to form the adapter sleeve 9, and the screw teeth 12 on the supporting piece 11 are engaged with the supporting threaded sleeve 8 on the anchor cable 1, then the core adjusting sleeve 4 is slid to be sleeved on the adapter sleeve 9, and the limiting block 14 is butted with the limiting groove 13, then the core adjusting sleeve 4 is rotated, so that the core adjusting sleeve 4 drives the adapter sleeve 9 to rotate on the anchor cable 1 through the clamped limiting block 14 and the limiting groove 13, so that the adapter sleeve 9 slides on the anchor cable 1 through the engaged screw teeth 12 and the supporting threaded sleeve 8, so that the adapter sleeve 9 pushes the core adjusting sleeve 4 to insert into the sleeve 3, then the core adjusting sleeve 4 pushes the sleeve 3 and pushes the shear pipe 2 to abut against the anchor hole through the sleeve 3, then the core adjusting sleeve 4 abuts against the sleeve 3, so that the sleeve 3 and the anchor cable 1 are coaxial, that is, the shear pipe 2 and the anchor cable 1 are coaxial, the core of the shear pipe 2 is adjusted, when grouting is injected into the anchor hole and the shear pipe 2, the grouting hole 5 on the sleeve 3 is used to inject grouting inward, so that the grouting enters the shear pipe 2 through the middle cylindrical cavity in the sleeve 3, and enters the anchor hole through the port of the shear pipe 2.
[0035] Compared with the prior art, the device has the advantages that:
[0036] 1、The device is improved based on the traditional shear anchor cable, the original structure of the shear pipe 2 is used as the grouting structure, a gap is left between the shear pipe 2 and the anchor cable 1, and the grouting hole 5 penetrating the inner cavity of the shear pipe 2 is formed on the sleeve 3 for installing the shear pipe 2, so that the grouting function is realized, and the structure as a whole after grouting is used as anchoring;
[0037] 2、The device sets three combined supporting pieces 11 on the anchor cable 1, so as to form an adapting sleeve 9 through the supporting pieces 11, and the connecting of the adjusting core sleeve 4 and the anchor cable 1 is realized through the cooperation of the adapting sleeve 9 and the adjusting core sleeve 4, so as to move on the anchor cable 1 through the adapting sleeve 9 clamped with the adjusting core sleeve 4 by rotating the adjusting core sleeve 4, and the adjusting core sleeve 4 is pressed against the sleeve 3, so as to realize the adjustment of the sleeve 3 and the shaft core of the shear pipe 2.
[0038] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A shear-resistant core-aligning grouting pipe, comprising an anchor cable (1) and a shear-resistant pipe (2), wherein the shear-resistant pipe (2) is sleeved on the anchor cable (1); characterized in that, It also includes: Sleeve (3), the sleeve (3) is sleeved on the anchor cable (1), and the lower end of the shear tube (2) is inserted into the upper port of the sleeve (3); The upper end of the sleeve (3) is provided with a ball head structure; The adjusting sleeve (4) is fitted on the anchor cable (1) and inserted into the lower port of the sleeve (3). The adjusting sleeve (4) is a tapered shape with a reduced upper diameter. Grouting hole (5), the grouting hole (5) is opened on the side wall of sleeve (3), and the grouting hole (5) is connected to the inner cavity of sleeve (3). The grouting hole (5) is located between the lower end of anti-shear tube (2) and the upper end of adjusting sleeve (4). The axis of the grouting hole (5) is set at an inclined angle to the axis of the sleeve (3).
2. The shear-resistant, core-aligning grouting pipe according to claim 1, characterized in that: The inner cavity of the sleeve (3) is configured in three sections, with the uppermost cavity being a connecting threaded hole (6), the middle cavity being cylindrical with an inner diameter smaller than that of the connecting threaded hole (6), and the lowermost cavity being conical. The adjusting sleeve (4) is inserted into the conical cavity of the sleeve (3).
3. The shear-resistant, core-aligning grouting pipe according to claim 2, characterized in that: The lower outer wall of the shear-resistant tube (2) is provided with a connecting thread groove (7). The shear-resistant tube (2) is screwed into the connecting thread hole (6) through the connecting thread groove (7). The grouting hole (5) is connected to the cylindrical cavity of the sleeve (3).
4. The shear-resistant, core-aligning grouting pipe according to claim 3, characterized in that: The anchor cable (1) is fitted with a support threaded sleeve (8), and the support threaded sleeve (8) is fitted with a matching part (9), which is inserted into the lower port of the adjusting sleeve (4).
5. The shear-resistant, core-aligning grouting pipe according to claim 4, characterized in that: The adjusting sleeve (4) consists of two fasteners (10) that are symmetrically fastened together. The two fasteners (10) are connected by bolts. One of the fasteners (10) has a limiting groove (13) on its inner wall, and the other fastener (10) has two limiting grooves (13) on its inner wall. The matching set (9) consists of three support plates (11) that are fastened together. The inner wall of the support plate (11) is provided with threads (12). The support plate (11) is engaged with the support threaded sleeve (8) on the anchor cable (1) through the threads (12). The outer wall of the support plate (11) is provided with a limiting block (14). The support plate (11) is slidably positioned in the limiting groove (13) on the fastener (10) through the limiting block (14).
6. The shear-resistant, core-aligning grouting pipe according to claim 5, characterized in that: The inner wall of the shear-resistant pipe (2) is provided with several partitions (15) at equal angles. The partitions (15) are arranged in a spiral shape, and the lower end of the partitions (15) is arranged alternately with the grouting hole (5).