Internal gasket for enhancing force transmission performance of recoverable anchor cable and manufacturing method of internal gasket

Abstract

The invention discloses an internal gasket for enhancing the force transmission performance of a recoverable anchor cable and a manufacturing method of the internal gasket, and belongs to the field of steel mechanics and constructions.The internal gasket comprises a circular-truncated-cone-shaped outer ring and a cylindrical inner ring arranged in the outer ring, and the outer ring is connected with the inner ring through a connecting plate arranged on the inner wall of the outer ring; the diameter of the upper part of the outer ring is smaller than that of the lower part of the outer ring; by optimizing the structural design of the gaskets in the anchorage device, the stress distribution of the anchor cable in the stretching process is more uniform, the ultimate bearing capacity and the force transfer efficiency of the recyclable anchor cable are remarkably improved, the force transfer efficiency of the recyclable anchor cable with the specification of 15.2 mm exceeds the specified 80% through the optimized gasket combination mode, and compared with a traditional anchor cable, the tensile strength of the recyclable anchor cable is greatly improved. And the force transmission efficiency can be improved by 6.68% at most. By reasonably selecting the thickness of the gasket material and the thickness of the front end, the force transmission performance of the anchor cable is optimized, meanwhile, the economic cost is considered, and powerful support is provided for intelligent and automatic development of the building industry.

Description

Technical Field

[0001] The invention relates to the technical field of anchor cable fasteners, and in particular to an internal gasket for enhancing the force transmission performance of a recoverable anchor cable and a manufacturing method thereof. Background Art

[0002] In the context of green development in the construction industry, the application of recyclable anchor cables is of great significance to reducing resource waste and environmental impact. However, current recyclable anchor cables still have problems such as insufficient force transmission efficiency and internal gasket structure to be optimized. In addition, they are easily damaged by anchor clips due to insufficient bearing capacity during construction, affecting their reusability. To this end, the present invention proposes an improved anchor internal gasket design, which improves the durability and recyclability of the anchor cable by optimizing the force transmission path and enhancing the bearing performance, thereby reducing material consumption and promoting the development of green construction technology. Summary of the invention

[0003] The purpose of the present invention is to provide an internal gasket for enhancing the force transmission performance of a recyclable anchor cable and a manufacturing method thereof, so as to solve the problems existing in the above-mentioned prior art and enable the anchor cable to withstand a higher bearing capacity during the construction process.

[0004] To achieve the above object, the present invention provides the following solutions: The present invention provides an internal gasket for enhancing the force transmission performance of a recoverable anchor cable, comprising a truncated cone-shaped outer ring and a cylindrical inner ring arranged inside the outer ring, wherein the outer ring is connected to the inner ring via a connecting plate arranged on the inner wall of the outer ring, and the upper diameter of the outer ring is smaller than the lower diameter of the outer ring.

[0005] Preferably, the connecting plate is an annular plate with an L-shaped cross section, one side of the annular plate is vertically connected to the inner wall of the top end of the outer ring, and the other side of the annular plate is smoothly connected to the top of the inner ring.

[0006] Preferably, the wall thickness of the inner ring and the outer ring are both 1.5 mm.

[0007] Preferably, the inner ring, outer ring and annular plate are integrally formed, and the material is chloroprene rubber, with a specific gravity of 1.6±0.05 g / cm³, a tensile strength ≥4.76 MPa, an elongation at break ≥350%, a hardness of 65°±5°, and a volume change rate of 3.36%.

[0008] Preferably, the vertical height of the outer ring is 21mm to 22mm, the upper outer diameter is 21mm to 22mm, the lower outer diameter is 27mm to 28mm, the vertical height of the inner ring is 10mm to 11mm, and the inner diameter is 15mm to 16mm.

[0009] A method for manufacturing an internal gasket for enhancing the force transmission performance of a recyclable anchor cable comprises the following steps: (1) Determine the size parameters of the internal gasket according to the specific size and force transmission requirements of the anchor; (2) Use processing equipment to process the internal gasket according to the determined dimensional parameters; (3) Carry out quality inspection on the processed internal gasket to ensure that its dimensional accuracy and surface quality meet the requirements; (4) Install qualified internal gaskets into the anchor and conduct a force transmission efficiency test to verify its performance.

[0010] Preferably, the dimensional tolerance of the internal gasket is controlled within ±0.1 mm.

[0011] Preferably, the processing method of the internal gasket is as follows: Prepare the required raw materials according to the design drawings; Use CNC machine tools to perform preliminary processing to form the basic shape of the internal gasket; Carry out fine processing to achieve the required dimensional accuracy; Perform surface treatment on the machined internal gasket.

[0012] Preferably, the performance test of the internal gasket is as follows: Use a universal material testing machine to perform tension and compression tests on the gasket to evaluate its mechanical properties; In a simulated anchor working environment, the force transmission efficiency of the gasket is tested to verify its actual application effect.

[0013] Compared with the prior art, the present invention has achieved the following technical effects: The present invention optimizes the structural design of the gasket inside the anchor to make the stress distribution of the anchor cable more uniform during the stretching process, significantly improving the ultimate bearing capacity and force transmission efficiency of the recyclable anchor cable. The optimized gasket combination method makes the force transmission efficiency of the 15.2mm recyclable anchor cable exceed the specified 80%, and compared with the traditional anchor cable, the force transmission efficiency can be increased by up to 6.68%. The present invention optimizes the force transmission performance of the anchor cable by reasonably selecting the thickness of the gasket material and the front end thickness, while taking into account the economic cost, providing strong support for the intelligent and automated development of the construction industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 A bottom view of the present invention; Figure 3 The load-time curve diagram for 15.2-2; Figure 4 The load-time curve diagram for 15.2-3; Figure 5 The load-time curve diagram for 15.2-4; Among them, 1. Outer ring; 2. Inner ring; 3. Connecting plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] The purpose of the present invention is to provide an internal gasket for enhancing the force transmission performance of a recyclable anchor cable and a manufacturing method thereof, so as to solve the problems existing in the above-mentioned prior art and enable the anchor cable to withstand a higher bearing capacity during the construction process.

[0018] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] refer to Figure 1 , an internal gasket for enhancing the force transmission performance of a recyclable anchor cable, comprising a truncated cone-shaped outer ring and a cylindrical inner ring arranged inside the outer ring, the outer ring being connected to the inner ring via a connecting plate arranged on the inner wall of the outer ring, the upper diameter of the outer ring being smaller than the lower diameter of the outer ring; the present invention optimizes the structural design of the internal gasket of the anchor to make the stress distribution of the anchor cable more uniform during the stretching process, significantly improving the ultimate bearing capacity and force transmission efficiency of the recyclable anchor cable, and the optimized gasket combination method makes the force transmission efficiency of the 15.2mm recyclable anchor cable exceed the prescribed 80%, and compared with the traditional anchor cable, the force transmission efficiency can be improved by up to 6.68%. The present invention optimizes the force transmission performance of the anchor cable by reasonably selecting the thickness of the gasket material and the front end thickness, while taking into account the economic cost, providing strong support for the intelligent and automated development of the construction industry. refer to Figure 1 The connecting plate is an annular plate with an L-shaped cross section, one side of the annular plate is vertically connected to the inner wall of the top end of the outer ring, and the other side of the annular plate is smoothly connected to the top of the inner ring.

[0020] Furthermore, the wall thickness of the inner ring and the outer ring is 1.5mm; the thickness of the selected gasket rubber material is 1.00mm, 1.50mm, and 2.00mm respectively, and the front end of the gasket (the contact part between the anchor clip and the anchor cable) is also selected with these three thicknesses. By combining these three thicknesses of rubber materials in pairs, 15.2-2 is a 1.00mm gasket plus a 2.00mm gasket, 15.2-3 is a 1.50mm gasket plus a 1.50mm gasket, 15.2-4 is a 1.50mm gasket plus a 2.00mm gasket, and 15.2-1 is the original gasket of the anchor, which is set as the control group. Table 1 shows the test results. Table 1 Test results

[0021] It can be seen from Table 1 that the test results of the four groups of tests all exceeded 80% of the force transmission efficiency of the 15.20mm recyclable anchor cable. Compared with the control group, the optimized gasket force transmission efficiency increased by 4.66%, 6.07%, and 6.68%, respectively. Compared with 15.2-4, the thickness of the gasket increased in 15.2-2, and the force transmission efficiency of the anchor increased by 1.41%. Compared with 15.2-4, the thickness of the front end of the gasket increased in 15.2-3, and the force transmission efficiency of the anchor increased by 0.61%.

[0022] Figure 1 The figure shows the schematic diagram of the optimized anchor gasket. Taking into account the anchor force transmission efficiency and economic cost, the gasket and the front end of the gasket are set to 1.50 mm. Figure 2 , Figure 3 , Figure 4 These are the test results of 15.2-2, 15.2-3, and 15.2-4 respectively.

[0023] Furthermore, the inner ring, outer ring and annular plate are integrally formed, and the material is chloroprene rubber, with a specific gravity of 1.6±0.05 g / cm³, a tensile strength ≥4.76 MPa, an elongation at break ≥350%, a hardness of 65°±5°, and a volume change rate of 3.36%; the material has good aging resistance, oil resistance, weather resistance, and air tightness.

[0024] Furthermore, the vertical height of the outer ring is 21mm to 22mm, the upper outer diameter is 21mm to 22mm, the lower outer diameter is 27mm to 28mm, and the vertical height of the inner ring is 10mm to 11mm, and the inner diameter is 15mm to 16mm.

[0025] A method for manufacturing an internal gasket for enhancing the force transmission performance of a recyclable anchor cable comprises the following steps: (1) Determine the size parameters of the internal gasket according to the specific size and force transmission requirements of the anchor; (2) Use processing equipment to process the internal gasket according to the determined dimensional parameters; (3) Carry out quality inspection on the processed internal gasket to ensure that its dimensional accuracy and surface quality meet the requirements; (4) Install qualified internal gaskets into the anchor and conduct a force transmission efficiency test to verify its performance.

[0026] Preferably, the dimensional tolerance of the internal gasket is controlled within ±0.1 mm.

[0027] Preferably, the processing method of the internal gasket is as follows: Prepare the required raw materials according to the design drawings; Use CNC machine tools to perform preliminary processing to form the basic shape of the internal gasket; Carry out fine processing to achieve the required dimensional accuracy; Perform surface treatment on the machined internal gasket.

[0028] Preferably, the performance test of the internal gasket is as follows: Use a universal material testing machine to perform tension and compression tests on the gasket to evaluate its mechanical properties; In a simulated anchor working environment, the force transmission efficiency of the gasket is tested to verify its actual application effect.

[0029] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An internal gasket for enhancing the force transmission performance of a recyclable anchor cable, characterized in that: It comprises a truncated cone-shaped outer ring and a cylindrical inner ring arranged inside the outer ring. The outer ring is connected to the inner ring via a connecting plate arranged on the inner wall of the outer ring. The upper diameter of the outer ring is smaller than the lower diameter of the outer ring.

2. The internal gasket for enhancing the force transmission performance of the retrievable anchor cable according to claim 1, characterized in that: The connecting plate is an annular plate with an L-shaped cross section, one side of the annular plate is vertically connected to the inner wall of the top end of the outer ring, and the other side of the annular plate is smoothly connected to the top of the inner ring.

3. The internal gasket for enhancing the force transmission performance of the retrievable anchor cable according to claim 1, characterized in that: The wall thickness of the inner ring and the outer ring are both 1.5 mm.

4. The internal gasket for enhancing the force transmission performance of the retrievable anchor cable according to claim 3, characterized in that: The inner ring, outer ring and annular plate are integrally formed, and are made of chloroprene rubber with a specific gravity of 1.6±0.05 g / cm³, a tensile strength of ≥4.76 MPa, an elongation at break of ≥350%, a hardness of 65°±5°, and a volume change rate of 3.36%.

5. The internal gasket for enhancing the force transmission performance of a recoverable anchor cable according to claim 1, characterized in that: The vertical height of the outer ring is 21mm to 22mm, the upper outer diameter is 21mm to 22mm, and the lower outer diameter is 27mm to 28mm. The vertical height of the inner ring is 10mm to 11mm, and the inner diameter is 15mm to 16mm.

6. A method for manufacturing an internal gasket for enhancing the force transmission performance of a recyclable anchor cable, characterized in that: The internal gasket for enhancing the force transmission performance of the recyclable anchor cable as claimed in any one of claims 1 to 5 comprises the following steps: (1) Determine the size parameters of the internal gasket according to the specific size and force transmission requirements of the anchor; (2) Use processing equipment to process the internal gasket according to the determined dimensional parameters; (3) Carry out quality inspection on the processed internal gasket to ensure that its dimensional accuracy and surface quality meet the requirements; (4) Install qualified internal gaskets into the anchor and conduct a force transmission efficiency test to verify its performance.

7. The method for manufacturing an internal gasket for enhancing the force transmission performance of a recoverable anchor cable according to claim 6, characterized in that: The dimensional tolerance of the internal gasket is controlled within ±0.1 mm.

8. The method for manufacturing an internal gasket for enhancing the force transmission performance of a recoverable anchor cable according to claim 6, characterized in that: The processing method of the internal gasket is as follows: Prepare the required raw materials according to the design drawings; Use CNC machine tools to perform preliminary processing to form the basic shape of the internal gasket; Carry out fine processing to achieve the required dimensional accuracy; Perform surface treatment on the machined internal gasket.

9. The method for manufacturing an internal gasket for enhancing the force transmission performance of a recoverable anchor cable according to claim 6, characterized in that: The performance test of the internal gasket is as follows: Use a universal material testing machine to perform tension and compression tests on the gasket to evaluate its mechanical properties; In a simulated anchor working environment, the force transmission efficiency of the gasket is tested to verify its actual application effect.

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