Anchor rod structure with adjustable length

Abstract

The utility model relates to the field of anchor rods, and discloses a length-adjustable anchor rod structure which comprises a first anchor rod and a second anchor rod, an anti-loosening assembly is arranged between the first anchor rod and the second anchor rod, a stop-grouting plug is arranged on the upper portion of the outer side of the first anchor rod, a base plate is arranged on the top of the stop-grouting plug, and a nut is arranged on the upper portion of the outer side of the first anchor rod. A sleeve layer assembly is arranged in the first anchor rod and the second anchor rod, an anchor head is installed at the bottom of the second anchor rod, the anti-loosening assembly comprises a first connecting block and a second connecting block, the top of the first connecting block is fixedly connected to the bottom of the first anchor rod, and the inner side of the second connecting block is fixedly connected to the outer side of the top of the second anchor rod. The connecting rod and the second connecting block move and compress the spring by pulling the pull rod, then the first anchor rod is aligned with the second anchor rod, the first anchor rod is rotated to enable the hollow lead screw to be screwed into the second anchor rod, the spring pushes the connecting rod and the clamping block, the clamping block is inserted into the second connecting block, stable connection is achieved, the hollow lead screw is prevented from rotating reversely, and the stability of the anchor rods is improved.

Description

Technical Field

[0001] The utility model relates to the field of anchor rods, in particular to an anchor rod structure with adjustable length. Background Art

[0002] An anchor is an engineering material used to reinforce geotechnical structures, primarily in slope control, tunnel support, and foundation pit support. By anchoring one end in a stable rock formation and connecting the other end to the structure to be reinforced, it leverages the anchoring force to improve overall stability.

[0003] In existing adjustable-length anchor technology, different length combinations are usually achieved through threaded connections. However, due to long-term stress or environmental influences, the threaded connections may become loose, thereby affecting the overall stability and bearing capacity of the anchor.

[0004] In view of the above problems, an anchor rod structure with adjustable length is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an adjustable length anchor rod structure, which aims to improve the problem that an adjustable length anchor rod structure in the prior art usually realizes a combination of different lengths through threaded connection. However, due to long-term stress or environmental influences, the threaded connection will become loose, thereby affecting the overall stability and bearing capacity of the anchor rod.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an adjustable length anchor rod structure, comprising an anchor rod 1 and an anchor rod 2, an anti-loosening assembly is provided between the anchor rod 1 and the anchor rod 2, a slurry stopper is provided on the upper outer side of the anchor rod 1, a pad is provided on the top of the slurry stopper, a nut is provided on the upper outer side of the anchor rod 1, a sleeve assembly is provided inside the anchor rod 1 and the anchor rod 2, and an anchor head is installed at the bottom of the anchor rod 2;

[0007] The anti-loosening assembly includes connecting block 1 and connecting block 2. The top of connecting block 1 is fixedly connected to the bottom of anchor rod 1, the inner side of connecting block 2 is fixedly connected to the outer side of the top of anchor rod 2, the top of connecting block 1 is fixedly connected to a hollow screw rod, the inside of connecting block 1 is slidably connected to two pull rods, the outer side of the pull rod is provided with a spring, the pull rod is fixedly connected to a connecting rod near one end of anchor rod 1, and the outer side of the connecting rod is fixedly connected to a clamping block.

[0008] As a further description of the above technical solution:

[0009] The jacket component includes a waterproof layer, a base layer is arranged on the outside of the waterproof layer, a weather-resistant layer is arranged on the outside of the base layer, and an anti-corrosion layer is arranged on the outside of the weather-resistant layer.

[0010] As a further description of the above technical solution:

[0011] The outer side of the anchor head is provided with a plurality of groups of metal barbs, and the barbs are triangular in structure.

[0012] As a further description of the above technical solution:

[0013] The outer side of the hollow screw rod is threadedly connected to the inside of the second anchor rod.

[0014] As a further description of the above technical solution:

[0015] The outer side of the card block is plugged into the interior of the second connecting block.

[0016] As a further description of the above technical solution:

[0017] One end of the spring is fixedly connected to the outside of the connecting rod, and one end of the spring is fixedly connected to an inner wall of the connecting block.

[0018] As a further description of the above technical solution:

[0019] The base layer is made of high-chromium wear-resistant steel, and the weather-resistant layer is made of fluorocarbon coating.

[0020] As a further description of the above technical solution:

[0021] The anti-corrosion layer is made of polyurethane foam plastic material, and the waterproof layer is made of polyvinyl chloride material.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, by pulling the pull rod outward, the connecting rod and the connecting block 2 are moved and the spring is compressed. After the anchor rod 1 and the anchor rod 2 are aligned, the anchor rod 1 is rotated to rotate the hollow screw rod, and the connecting rod rotates accordingly. After the hollow screw rod is completely screwed into the anchor rod 2, the connecting rod and the clamping block move under the action of the spring, so that the clamping block is inserted into the connecting block 2, thereby achieving a stable connection between the anchor rod 1 and the anchor rod 2, thereby ensuring that the anchor rod 1 and the anchor rod 2 will not loosen or separate due to external force, thereby improving the overall stability and reliability of the anchor rod.

[0024] 2. In the utility model, the PVC material of the waterproof layer is used to prevent moisture penetration, the high chromium wear-resistant steel of the base layer provides high strength and wear resistance, the fluorocarbon coating of the weather-resistant layer provides good weather resistance and chemical corrosion resistance, and the polyurethane foam plastic material of the anti-corrosion layer further enhances the anti-corrosion performance, thereby achieving long-term protection and stable performance of the anchor rod, so that the anchor rod can be used for a long time in various harsh environments without being easily damaged or corroded, thereby ensuring its structural strength and service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional diagram of an adjustable length anchor rod structure proposed by the utility model;

[0026] Figure 2 This is a schematic structural diagram of a hollow screw rod with an adjustable length anchor rod structure proposed by the present invention;

[0027] Figure 3 This is a schematic structural diagram of an anti-loosening component of an adjustable length anchor rod structure proposed by the present invention;

[0028] Figure 4 This is a structural schematic diagram of a sleeve component of an adjustable length anchor rod structure proposed by the utility model.

[0029] Legend:

[0030] 1. Anchor rod 1; 2. Anchor rod 2; 3. Slurry stopper; 4. Pad; 5. Nut; 6. Connecting block 1; 7. Connecting block 2; 8. Anchor head; 9. Barb; 10. Hollow screw; 11. Pull rod; 12. Spring; 13. Connecting rod; 14. Block; 15. Anti-corrosion layer; 16. Weather-resistant layer; 17. Base layer; 18. Water-proof layer. DETAILED DESCRIPTION

[0031] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1 - Figure 4 The utility model provides an embodiment of an adjustable length anchor rod structure, comprising an anchor rod 1 and an anchor rod 2, an anti-loosening component is provided between the anchor rod 1 and the anchor rod 2, a slurry stopper 3 is provided on the upper outer side of the anchor rod 1, a pad 4 is provided on the top of the slurry stopper 3, a nut 5 is provided on the upper outer side of the anchor rod 1, a sleeve component is provided inside the anchor rod 1 and the anchor rod 2, and an anchor head 8 is installed at the bottom of the anchor rod 2;

[0033] The anti-loosening component includes a connecting block 6 and a connecting block 2 7. The top of the connecting block 6 is fixedly connected to the bottom of the anchor rod 1, and the inner side of the connecting block 2 7 is fixedly connected to the outer side of the top of the anchor rod 2. The top of the connecting block 6 is fixedly connected to a hollow screw rod 10. The inside of the connecting block 6 is slidably connected to two pull rods 11. A spring 12 is sleeved on the outer side of the pull rod 11. The pull rod 11 is fixedly connected to a connecting rod 13 near one end of the anchor rod 1, and a clamping block 14 is fixedly connected to the outer side of the connecting rod 13.

[0034] Specifically, the anti-loosening assembly is used to prevent anchor rod 1 and anchor rod 2 from loosening during use, the slurry stop plug 3 is used to prevent slurry from penetrating into the anchor rod, the pad 4 is used to disperse pressure and protect the anchor rod structure, the nut 5 is used to fix the position of the slurry stop plug 3 and the pad 4, the sleeve assembly is used to provide durability and corrosion protection, the anchor head 8 is used to provide a stable support point, the connecting block 1 6 is used to achieve a stable connection between anchor rod 1 and the anti-loosening assembly, the connecting block 2 7 is used to achieve a stable connection between anchor rod 2 2 and the anti-loosening assembly, the hollow wire rod 10 is used to achieve the fixation of anchor rod 1 and anchor rod 2, the pull rod 11 is used to provide tension and thrust when adjusting the length of the anchor rod, the spring 12 is used to provide reset force to keep the connection stable, and the clamping block 14 is used to fix the clamping block 14 in the clamping groove of the connecting block 2 7 through the elastic force of the spring 12 after the adjustment is completed, thereby preventing the connection between anchor rod 1 and anchor rod 2 2 from loosening.

[0035] Reference Figure 4 The jacket component includes a waterproof layer 18, a base layer 17 is arranged on the outside of the waterproof layer 18, a weather-resistant layer 16 is arranged on the outside of the base layer 17, and an anti-corrosion layer 15 is arranged on the outside of the weather-resistant layer 16.

[0036] Specifically, the waterproof layer 18 is used to prevent moisture penetration and protect the anchor rod from water damage. The base layer 17 is used to provide structural strength and support to ensure the stability and durability of the anchor rod. The weather-resistant layer 16 is used to resist erosion by natural factors such as ultraviolet rays and temperature changes to extend the service life of the anchor rod. The anti-corrosion layer 15 is used to prevent chemical corrosion and oxidation to improve the corrosion resistance of the anchor rod in harsh environments.

[0037] Reference Figure 1 - Figure 4 The outside of the anchor head 8 is provided with several groups of metal barbs 9, the barbs 9 are triangular structures, the outside of the hollow screw rod 10 is threadedly connected to the inside of the anchor rod 2, the outside of the card block 14 is inserted into the inside of the connecting block 7, one end of the spring 12 is fixedly connected to the outside of the connecting rod 13, and one end of the spring 12 is fixedly connected to the inner wall of the connecting block 6. The material of the base layer 17 is high chromium wear-resistant steel, the weather-resistant layer 16 is fluorocarbon coating, the anti-corrosion layer 15 is polyurethane foam plastic material, and the waterproof layer 18 is polyvinyl chloride material.

[0038] Specifically, the barb 9 is used to increase the grip and stability during anchoring. The barb 9 has a triangular structure and is used to better embed in the soil or other media to prevent sliding. The outer side of the hollow wire rod 10 is threadedly connected to the inside of the anchor rod 2 to firmly fix the two anchor rod parts. The outer side of the clamping block 14 is inserted into the inside of the connecting block 2 7 to ensure the stability of the connection between the anchor rod 1 and the anchor rod 2 to prevent loosening due to vibration or other external forces. The spring 12 is used to provide appropriate elastic force when rotating the anchor rod 1 to help the clamping block 14 to accurately insert or exit the connecting block 2 7. The base layer 17 is made of high chromium wear-resistant steel to provide high strength and wear resistance and extend the service life of the anchor rod. The weather-resistant layer 16 is fluorocarbon coating to improve the weather resistance and chemical corrosion resistance of the anchor rod so that it can be used for a long time in harsh environments without damage. The anti-corrosion layer 15 is made of polyurethane foam plastic material to further enhance the anti-corrosion performance and protect the anchor rod from corrosion damage. The waterproof layer 18 is made of polyvinyl chloride material to prevent moisture penetration and protect the internal structure of the anchor rod from moisture.

[0039] Working principle: When in use, after installing the anchor head 8 and the anchor rod 2, the pull rod 11 is moved outward, so that the connecting rod 13 and the connecting block 2 7 are moved to compress the spring 12. Then, after aligning the anchor rod 1 with the anchor rod 2, the anchor rod 1 is rotated to rotate the hollow screw rod 10. At this time, the connecting rod 13 is also rotating until the hollow screw rod 10 is completely rotated into the inside of the anchor rod 2. At this time, under the action of the spring 12, the connecting rod 13 and the block 14 are pushed to move, so that the block 14 is plugged into the connecting block 7. The interior of the anchor rod 1 is prevented from being loosened by the connection between the anchor rod 1 and the anchor rod 2. The anchor rod length is adjusted as needed. When the anchor rod 2 needs to be replaced, the pull rod 11 is pulled outward to move the connecting rod 13 and the block 14. At this time, the spring 12 is compressed until the block 14 completely leaves the slot inside the connecting block 2. At this time, the anchor rod 1 is pulled in the opposite direction to rotate, thereby driving the hollow screw rod 10 to move in the opposite direction until the hollow screw rod 10 completely leaves the interior of the anchor rod 2. At this time, it is only necessary to replace the appropriate length.

[0040] The PVC material of the waterproof layer 18 can prevent moisture penetration, the high chromium wear-resistant steel of the base layer 17 provides high strength and wear resistance, the fluorocarbon coating of the weather-resistant layer 16 provides good weather resistance and chemical corrosion resistance, and the polyurethane foam plastic material of the anti-corrosion layer 15 further enhances the anti-corrosion performance.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An adjustable length anchor rod structure, comprising an anchor rod 1 (1) and an anchor rod 2 (2), characterized in that: An anti-loosening assembly is provided between the anchor rod 1 (1) and the anchor rod 2 (2), a slurry stopper (3) is provided on the upper outer side of the anchor rod 1 (1), a pad (4) is provided on the top of the slurry stopper (3), a nut (5) is provided on the upper outer side of the anchor rod 1 (1), a sleeve assembly is provided inside the anchor rod 1 (1) and the anchor rod 2 (2), and an anchor head (8) is installed on the bottom of the anchor rod 2 (2); The anti-loosening assembly includes a connecting block 1 (6) and a connecting block 2 (7), the top of the connecting block 1 (6) is fixedly connected to the bottom of the anchor rod 1 (1), the inner side of the connecting block 2 (7) is fixedly connected to the outer side of the top of the anchor rod 2 (2), the top of the connecting block 1 (6) is fixedly connected to a hollow screw rod (10), the inside of the connecting block 1 (6) is slidably connected to two pull rods (11), the outer side of the pull rod (11) is provided with a spring (12), the pull rod (11) is fixedly connected to a connecting rod (13) near one end of the anchor rod 1 (1), and the outer side of the connecting rod (13) is fixedly connected to a clamping block (14).

2. The adjustable length anchor rod structure according to claim 1, characterized in that: The jacket assembly comprises a waterproof layer (18), a base layer (17) is arranged on the outside of the waterproof layer (18), a weather-resistant layer (16) is arranged on the outside of the base layer (17), and an anti-corrosion layer (15) is arranged on the outside of the weather-resistant layer (16).

3. The adjustable length anchor rod structure according to claim 1, characterized in that: The outer side of the anchor head (8) is provided with a plurality of groups of metal barbs (9), and the barbs (9) are triangular in structure.

4. The adjustable length anchor rod structure according to claim 1, characterized in that: The outer side of the hollow screw rod (10) is threadedly connected to the interior of the second anchor rod (2).

5. The adjustable length anchor rod structure according to claim 1, characterized in that: The outer side of the card block (14) is plugged into the interior of the second connecting block (7).

6. The adjustable length anchor rod structure according to claim 1, characterized in that: One end of the spring (12) is fixedly connected to the outside of the connecting rod (13), and one end of the spring (12) is fixedly connected to the inner wall of the connecting block (6).

7. The adjustable length anchor rod structure according to claim 2, characterized in that: The base layer (17) is made of high-chromium wear-resistant steel, and the weather-resistant layer (16) is made of fluorocarbon coating.

8. The adjustable length anchor rod structure according to claim 2, characterized in that: The anti-corrosion layer (15) is made of polyurethane foam plastic material, and the waterproof layer (18) is made of polyvinyl chloride material.

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