Self-locking type anchoring equipment suitable for floating navigation mark of channel of rock-based riverbed
By designing a self-locking anchoring device, the main and auxiliary self-locking blades are driven by an electric cylinder to slide and lock, solving the problems of difficult and complex replacement and maintenance of bolt fixing methods on rock-based riverbeds, and realizing stable fixing and flexible adjustment on rock-based riverbeds.
Patent Information
- Application Number
- CN202520052964.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing bolt fixing methods are difficult to quickly replace or adjust in rocky riverbeds, and maintenance is complex. The fixing effect is easily affected by loosening of holes and rust, and cannot effectively resist pull-out.
The self-locking anchoring device includes the main anchor puller, electric cylinder, lifting rod, traction block, main self-locking wing and auxiliary self-locking wing. The electric cylinder drives the sliding and locking of the main and auxiliary self-locking wing, providing multi-point contact friction force to adapt to changes in hole diameter and ensure stable fixation.
It enables flexible installation and disassembly on rock-based riverbeds, improves pull-out resistance, simplifies maintenance, and is highly adaptable, making it suitable for scenarios where the position of navigation marks needs frequent adjustment.
Smart Images

Figure CN223764661U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of anchor puller technology, specifically to a self-locking anchoring device for floating navigation marks suitable for rock-based riverbeds. Background Technology
[0002] Navigational marks are artificial markers placed in navigable waters to indicate the direction and boundaries of waterways, help guide ships, locate themselves, and mark obstacles and warnings. They mark the positions of waterways, anchorages, shoals, and other navigational aids. There are two types of navigational marks: fixed navigational marks and floating navigational marks that drift on the water's surface.
[0003] A floating buoy generally consists of three parts: the buoy body, the anchor chain, and the anchor. The anchor is a heavy object submerged on the seabed, connected to the buoy on the river or sea surface by the anchor chain, allowing the buoy to float within a certain range. There are several different types of anchors, chosen based on the specific water conditions: Anchors are heavy iron structures used for mooring ships, sometimes directly securing the floating buoy. Steel piles are piles made of concrete or steel on the bottom of the water, typically suitable for calm inland waterways or ports. Some channel buoys are designed with pre-installed bolt holes, allowing them to be bolted to the bottom of the channel or other underwater structures; this is generally suitable for long-term or permanent installations and requires the waterway to be relatively shallow.
[0004] The above-mentioned fixing methods can be broadly divided into two categories. One category uses heavy objects (anchors, steel piles) to prevent buoys from moving, utilizing the weight of the objects themselves and the friction with the riverbed sediment. The other category involves directly drilling holes and permanently fixing the buoys to the seabed with bolts. In mountainous riverbeds, which are mainly composed of rocky beds, unlike riverbeds with sand or mud beds, the bottom friction is low, making it difficult to fix the buoys horizontally using anchors or steel piles. This can easily lead to slippage, causing the attached buoys to leave the designated area. Therefore, bolt fixing is currently the primary method used in these types of riverbeds. Bolts, through mechanical tightening and pre-drilled holes embedded in the rock, effectively secure equipment or components, providing high pull-out resistance and stability. Moreover, bolt fixing technology is mature, material costs are low, and the construction process is relatively simple, making it suitable for large-scale applications.
[0005] However, this method also has obvious disadvantages, such as: (1) Once the bolt is fixed to the rock, the disassembly and removal process is complicated and usually requires additional cutting or destructive operations, making it difficult to quickly replace or adjust the position; (2) The fastening effect of the bolt depends on the hole processing accuracy and rock strength. If the hole becomes loose or the bolt rusts, the fixing effect may be significantly reduced; (3) Maintenance is complicated. When the hole becomes loose, in order to ensure the fastening effect, it is necessary to re-drill the hole, which consumes additional time and resources. Utility Model Content
[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a self-locking anchoring device for floating navigation marks suitable for rock-based riverbeds.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a self-locking anchoring device for floating navigation marks suitable for rock-based riverbeds, comprising a main anchor puller pile body, an electric cylinder, a lifting connecting rod, a traction block, a main self-locking wing, a first limiting support block, a second self-locking wing, and a second limiting support block. The electric cylinder is located in the upper part of the main anchor puller pile body, with its telescopic end facing the bottom of the main anchor puller pile body. The lifting connecting rod is movably disposed within the main anchor puller pile body, and the lifting connecting rod is connected to the telescopic end of the electric cylinder. Next, the main self-locking wing is slidably installed on the upper outer side of the main pile body of the anchor puller, the traction block is fixedly connected to the main self-locking wing, and the traction block is connected to the lifting link. The first limiting support block is fixedly installed on the main pile body of the anchor puller and located at the end of the main self-locking wing. The second auxiliary self-locking wing is slidably installed on the lower outer side of the main pile body of the anchor puller, and the auxiliary self-locking wing and the main self-locking wing are arranged opposite to each other on the main pile body of the anchor puller. The third limiting support block is fixedly installed on the main pile body of the anchor puller and located at the end of the auxiliary self-locking wing.
[0008] In some embodiments, the upper end of the main pile of the anchor puller is provided with an anchor chain head, and the external anchor chain is connected to the anchor chain head.
[0009] In some embodiments, a sliding cavity is provided in the main pile body of the anchor puller corresponding to the lifting link and the traction block.
[0010] In some embodiments, the traction block and the lifting link have a U-shaped slot at their mating ends. The U-shaped slot of the traction block mates with the body of the lifting link. A limit block is provided at the end of the lifting link, and the limit block can abut against the traction block.
[0011] Compared with the prior art, the beneficial effects of this utility model are: (1) Strong installation flexibility and wide adaptability. The self-locking anchor puller of this utility model can adapt to slight changes in the pre-drilled groove diameter. The main and auxiliary self-locking blades can be adaptively slidably adjusted by gravity to ensure reliable fastening in holes of different diameters, effectively overcoming the high requirements of existing stud fixing methods on hole processing accuracy and rock strength.
[0012] (2) Significant fastening effect and strong pull-out resistance. The main and auxiliary self-locking blades form multi-point contact with the hole wall, providing strong friction and self-locking force. Even when subjected to large tensile force, the device can maintain a stable fixing effect and has stronger pull-out resistance than the traditional stud fixing method.
[0013] (3) Easy to maintain and reusable. The retraction of the main and auxiliary self-locking blades is achieved by electric cylinder drive. The disassembly process of the device is simple and easy, without complicated manual operation. The device can be flexibly removed and reinstalled when adjusting the position of the navigation beacon, which solves the problem of complicated maintenance and difficulty in adjustment of the stud fixing method.
[0014] (4) Optimized structural design and reliable operation. The main and auxiliary self-locking vanes slide obliquely through dovetail grooves, ensuring the stability of the device during fastening and disassembly. The design of the limiting shims further prevents the self-locking vanes from accidentally slipping off during operation, enhancing the reliability of the system.
[0015] (5) This utility model is particularly suitable for waterway construction on rock-based riverbeds and for fixing floating navigation marks. Especially in scenarios where the position of the navigation mark needs to be frequently adjusted, its flexibility and reliability have significant advantages.
[0016] Details of one or more embodiments of this application are set forth in the following drawings and description to make other features, objects and advantages of this application more readily apparent. The embodiments of this application will provide a detailed description and understanding of the application. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a cross-sectional view of the present invention.
[0019] In the diagram: 1. Main pile of the anchor puller; 2. Electric cylinder; 3. Lifting link; 4. Traction block; 5. Main self-locking wing; 6. Limiting support block one; 7. Secondary self-locking wing; 8. Limiting support block two; 9. Anchor chain; 10. Anchor chain head. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-2This utility model provides a technical solution: a self-locking anchoring device for floating navigation marks suitable for rock-based riverbeds, comprising a main anchor puller pile body 1, an electric cylinder 2, a lifting connecting rod 3, a traction block 4, a main self-locking wing 5, a first limiting support block 6, a second self-locking wing 7, and a second limiting support block 8. The electric cylinder 2 is located in the upper part of the main anchor puller pile body 1, with its telescopic end facing the bottom of the main anchor puller pile body 1. The lifting connecting rod 3 is movably disposed within the main anchor puller pile body 1 and is connected to the telescopic end of the electric cylinder 2. The main self-locking wing 5 is slidably mounted on the upper outer side of the main anchor puller pile body 1. The traction block 4 is fixedly connected to the main self-locking wing 5 and is also connected to the lifting connecting rod 3. The first limiting support block 6 is fixedly disposed on the main anchor puller pile body 1 and located at the end of the main self-locking wing 5.
[0022] The auxiliary self-locking wing 7 is slidably installed on the lower outer side of the main pile body 1 of the anchor puller, and the auxiliary self-locking wing 7 and the main self-locking wing 5 are arranged opposite to each other on the main pile body 1 of the anchor puller. The limiting support block 8 is fixedly installed on the main pile body 1 of the anchor puller and located at the end of the auxiliary self-locking wing 7, and is used to provide friction force on the opposite side of the main self-locking wing 5.
[0023] like Figure 2 As shown, the main and auxiliary self-locking blades 7 are fixed to the main pile body through dovetail grooves and can slide obliquely. When the main and auxiliary self-locking blades 7 are at their highest position, their outer walls are concave to or flush with the outer wall of the anchor puller. When the main and auxiliary self-locking blades 7 are at their lowest position, they protrude from the outer wall of the anchor puller.
[0024] The limiting support block is set below the main and auxiliary self-locking blades 7 to support the self-locking blades and prevent them from falling off during operation. The limiting support block is fixedly installed on the outer wall of the main shaft.
[0025] The upper end of the main pile body 1 of the anchor puller is provided with an anchor chain 9 head, and the external anchor chain 9 is connected to the anchor chain 9 head.
[0026] The main pile body 1 of the anchor puller is provided with a sliding cavity corresponding to the lifting link 3 and the traction block 4. The sliding cavity has sufficient longitudinal depth, and the bottom of the lifting link 3 can be extended to the lower part to allow the traction block 4 and the self-locking wing to fall freely.
[0027] The traction block 4 and the lifting link 3 have a U-shaped slot at their mating ends. The U-shaped slot of the traction block 4 mates with the body of the lifting link 3. A limit block is provided at the end of the lifting link 3, and the limit block can abut against the traction block 4.
[0028] With this technical solution, the self-locking anchor puller is vertically inserted into a pre-drilled groove (the groove diameter should be greater than 1 times the width of the anchor puller but less than 1.05 times the width of the anchor puller, and the depth should not be less than the height from the top of the main self-locking wing 5 to the bottom of the anchor puller). At this time, the electric cylinder 2 should be in its minimum retracted state, that is, the traction block 4 and the main self-locking wing 5 are in their highest positions, and the auxiliary self-locking wing 7 slides freely to its lowest position. During the placement of the anchor puller, the auxiliary self-locking wing 7 may slide upward under the action of friction. When the anchor puller is completely placed in the groove, the electric cylinder 2 is extended, and the main and auxiliary self-locking wing 7 slide down under the action of gravity and make close contact with the hole wall. After the anchor chain 9 head of the anchor puller is connected to the anchor chain 9, it is subjected to an upward pulling force, and the main and auxiliary self-locking wing 7 are completely locked. At this time, the anchor puller is completely locked in the groove.
[0029] When the anchor puller needs to be removed, the electric cylinder 2 operates to its minimum retracted state, fully lifting the main self-locking flap 5. At this point, the anchor puller is completely detached from the trench wall, the friction between it and the trench wall is released, and the anchor puller loosens from the trench. The upward traction force is transmitted through the anchor chain 9, allowing the entire anchor puller to be flexibly removed from the trench, completing the disassembly process.
[0030] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
[0031] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A self-locking anchoring device for a floating navigation aid suitable for use in a channel of a rock-based river bed, characterised in that: The anchor pulling device comprises a main pile body, an electric cylinder, a lifting connecting rod, a traction block, a main self-locking wing, a limiting support block one, a vice self-locking wing and a limiting support block two.
2. A self-locking anchoring device for a floating navigation aid for a waterway of a rock-based riverbed according to claim 1, characterized in that: An anchor chain head is arranged at the upper end of the main pile body, and an external anchor chain is connected with the anchor chain head.
3. A self-locking anchoring device for a floating navigation aid for a waterway of a rock-based riverbed according to claim 1, characterized in that: A sliding cavity is arranged in the main pile body corresponding to the lifting connecting rod and the traction block.
4. A self-locking anchoring device for a floating navigation aid for a waterway of a rock-based riverbed according to claim 3, characterized in that: The matching end of the traction block and the lifting connecting rod is arranged in a U-shaped slot, the U-shaped slot of the traction block is matched with the rod body of the lifting connecting rod, and a limiting block is arranged at the end of the lifting connecting rod, which can abut against the traction block.