Anti-falling anchoring device
By setting up an extrusion block and push block structure on the anchor body, the problem of easy loosening of the connection between the anchor and the anchor hole is solved, and higher connection strength and stability are achieved.
Patent Information
- Application Number
- CN202422709900.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-07
AI Technical Summary
The connection between existing anchor rods and anchor holes is easily reduced due to thread wear, resulting in unstable connections and affecting anchor stability.
An anchoring device that prevents falling off is designed. By setting an extrusion block and push block structure in the storage through hole on the anchor body, the adjustment block is used to drive the push rod to push the extrusion block to push the inner surface of the anchor hole, combining the limiting groove and the return spring to prevent falling off, enhancing the connection tightness.
The connection strength and tightness between the anchoring device and the anchoring hole are improved, prevent loosening and ensure structural stability.
Smart Images
Figure CN223293034U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to an anti-falling anchoring device. Background Art
[0002] Anchoring device is an important engineering equipment, which refers to the device connecting the fall protection system and the structure. It usually includes bolts, deadweight devices, anchoring systems (such as guide rails) and other components. These devices are fixed to the structure in a specific way to ensure the stability and safety of the system. It is widely used in construction, metallurgy, water conservancy and hydropower, railways and highways, military industry and other fields. In the construction process of underground buildings, anchor support is often used as an effective support method. It mainly plays the role of active reinforcement and stabilization of rock and soil. When in use, one end of the anchor rod is first anchored into the soil, and the other end is connected to various other forms of support structures to make it play a stabilizing role.
[0003] Currently, the connectivity between most anchor rods and anchor holes is achieved through the engagement of threads. During long-term use, the threads are prone to wear, which can easily reduce the connectivity, making the structure less reliable and affecting the anchoring stability. Utility Model Content
[0004] The purpose of the present invention is to provide an anti-falling anchoring device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-falling anchoring device, comprising an anchor rod body, a receiving through hole is provided through the outer surface of the anchor rod body, two extrusion blocks are slidably arranged inside the receiving through hole, a receiving groove is provided on the top surface of the receiving through hole, a push block is slidably connected inside the receiving groove, the bottom end of the push block contacts the inclined surfaces of the two extrusion blocks, a threaded groove is provided on the top of the anchor rod body, an adjusting block is threadedly connected inside the threaded groove, the bottom end of the adjusting block is rotatably connected to a push rod, and the bottom end of the push rod passes through the bottom surface of the threaded groove and is fixedly connected to the top of the push block.
[0006] As a further preferred embodiment of the present technical solution, limiting grooves are provided on both side walls of the inner portion of the receiving through hole, limiting blocks are fixedly connected on both sides of the two extrusion blocks, and the outer surfaces of the four limiting blocks are respectively slidably connected to the inner surfaces of the two limiting grooves.
[0007] As a further preferred embodiment of the present technical solution, a return spring is fixedly connected between any two limit blocks located on the same side, and the size of the limit block is the same as the inner size of the limit groove.
[0008] As a further preferred embodiment of the present technical solution, friction grooves are provided on the outer sides of the two extrusion blocks, and a cone head is fixedly connected to the bottom end of the anchor rod body.
[0009] As a further preferred embodiment of the present technical solution, a plurality of tensioning screws are fixedly connected to the top end of the anchor rod body, a fixing plate is slidably connected to the outer surfaces of the plurality of tensioning screws, and a nut is threadedly connected to the outer surfaces of the plurality of tensioning screws.
[0010] As a further preferred embodiment of the present technical solution, a guide sleeve is fixedly connected to the top end of the anchor rod body, and an outer surface of the guide sleeve is slidably connected to the inside of the fixing plate.
[0011] The utility model provides an anti-falling anchoring device, which has the following beneficial effects:
[0012] The utility model rotates the adjusting block to make it enter the threaded groove, and during the movement of the adjusting block, drives the pushing block fixedly connected to the pushing rod to move together. During the movement of the pushing block, the vertical force generated on the extruding block is converted into a horizontal thrust under the action of the inclined surface, pushing the two extruding blocks out of the receiving through hole, squeezing the inner surface of the anchor hole, enhancing the tightness of the connection between the anchor device and the anchor hole, and improving the connection strength. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is an exploded schematic diagram of the structure of the extrusion block of the utility model when it is unfolded;
[0015] Figure 3 This is a schematic cross-sectional view of the internal structure of the anchor rod body of the utility model;
[0016] Figure 4 This is an exploded schematic diagram of the internal structure of the anchor rod body of the present invention.
[0017] In the figure: 1. Anchor rod body; 2. Receiving through hole; 3. Extrusion block; 4. Receiving groove; 5. Threaded groove; 6. Adjustment block; 7. Push rod; 8. Push block; 9. Limit groove; 10. Limit block; 11. Return spring; 12. Friction groove; 13. Guide sleeve; 14. Fixing plate; 15. Tension screw; 16. Nut; 17. Cone head. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0019] The utility model provides a technical solution: Figure 1-4As shown, in this embodiment, an anti-falling anchoring device includes an anchor rod body 1, a receiving through hole 2 is opened through the outer surface of the anchor rod body 1, two extrusion blocks 3 are slidingly arranged inside the receiving through hole 2, a receiving groove 4 is opened on the top surface of the receiving through hole 2, a push block 8 is slidably connected inside the receiving groove 4, and the bottom end of the push block 8 contacts the inclined surfaces of the two extrusion blocks 3, a threaded groove 5 is opened on the top of the anchor rod body 1, an adjusting block 6 is threadedly connected inside the threaded groove 5, and a push rod 7 is rotatably connected to the bottom end of the adjusting block 6, and the bottom end of the push rod 7 passes through the bottom surface of the threaded groove 5 and is fixedly connected to the top of the push block 8, wherein, by setting the extrusion block 3, the inner surface of the anchor hole can be squeezed to improve the tightness of the connection, and by setting the adjusting block 6, the extrusion block 6 can be made more stable and less likely to loosen after the adjustment is completed through cooperation with the threaded groove 5.
[0020] like Figure 4 As shown, limiting grooves 9 are provided on both side walls of the inner portion of the receiving through hole 2, and limiting blocks 10 are fixedly connected on both sides of the two extrusion blocks 3. The outer surfaces of the four limiting blocks 10 are slidingly connected to the inner surfaces of the two limiting grooves 9 respectively. By setting the limiting blocks 10 and the limiting grooves 9, the extrusion blocks 3 can be limited to prevent them from falling off.
[0021] like Figure 3 and Figure 4 As shown, a reset spring 11 is fixedly connected between any two limit blocks 10 located on the same side. The size of the limit block 10 is the same as the internal size of the limit groove 9, which can facilitate the reset of the extrusion block 3 and make disassembly more convenient.
[0022] like Figure 4 As shown, friction grooves 12 are provided on the outer sides of the two extrusion blocks 3, and a cone head 17 is fixedly connected to the bottom end of the anchor rod body 1. By providing the friction grooves 12, the friction force between the anchoring hole and the anchoring hole can be increased, thereby improving the tightness of the connection.
[0023] like Figure 1 and Figure 2 As shown, multiple tensioning screws 15 are fixedly connected to the top of the anchor body 1, and the outer surfaces of the multiple tensioning screws 15 are slidably connected to the fixing plate 14. The outer surfaces of the multiple tensioning screws 15 are all threadedly connected to the nuts 16, which can be easily connected and fixed with the support plate.
[0024] like Figure 1 and Figure 2 As shown, a guide sleeve 13 is fixedly connected to the top of the anchor body 1, and the outer surface of the guide sleeve 13 is slidably connected to the inside of the fixing plate 14, which can guide the fixing plate 14 and improve stability.
[0025] The utility model provides an anti-falling anchoring device, and the specific working principle is as follows:
[0026] The staff first inserts the anchor rod body 1 into the anchor hole on the foundation pit, and then rotates the adjusting block 6 through a tool to make it enter the threaded groove 5. During the movement of the adjusting block 6, it drives the push block 8 fixedly connected to the push rod 7 to move together. During the movement of the push block 8, the vertical force generated on the extrusion block 3 is converted into a horizontal thrust under the action of the inclined surface, and the two extrusion blocks 3 are pushed out from the receiving through hole 2, squeezing the inner surface of the anchor hole, so that the anchor rod body 1 is more tightly connected to the inside of the anchor hole.
[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An anti-falling anchoring device, comprising an anchor rod body (1), characterized in that: The outer surface of the anchor rod body (1) is provided with a receiving hole (2), two extrusion blocks (3) are slidably arranged inside the receiving hole (2), a receiving groove (4) is provided on the top surface of the receiving hole (2), a push block (8) is slidably connected inside the receiving groove (4), the bottom end of the push block (8) is in contact with the inclined surfaces of the two extrusion blocks (3), a thread groove (5) is provided on the top of the anchor rod body (1), an adjustment block (6) is threadedly connected inside the thread groove (5), the bottom end of the adjustment block (6) is rotatably connected to a push rod (7), the bottom end of the push rod (7) passes through the bottom surface of the thread groove (5) and is fixedly connected to the top of the push block (8).
2. The anti-falling anchoring device according to claim 1, characterized in that: Limiting grooves (9) are provided on both side walls of the receiving through hole (2), and limiting blocks (10) are fixedly connected to both sides of the two extrusion blocks (3), and the outer surfaces of the four limiting blocks (10) are respectively slidably connected to the inner surfaces of the two limiting grooves (9).
3. The anti-falling anchoring device according to claim 2, characterized in that: A return spring (11) is fixedly connected between any two of the limit blocks (10) located on the same side, and the size of the limit block (10) is the same as the internal size of the limit slot (9).
4. The anti-falling anchoring device according to claim 3, characterized in that: The outer sides of the two extrusion blocks (3) are both provided with friction lines (12), and the bottom end of the anchor rod body (1) is fixedly connected with a cone head (17).
5. The anti-falling anchoring device according to claim 1, characterized in that: The top end of the anchor rod body (1) is fixedly connected to a plurality of tensioning screws (15), the outer surfaces of the plurality of tensioning screws (15) are slidably connected to a fixing plate (14), and the outer surfaces of the plurality of tensioning screws (15) are all threadedly connected to a nut (16).
6. The anti-falling anchoring device according to claim 5, characterized in that: A guide sleeve (13) is fixedly connected to the top end of the anchor rod body (1), and the outer surface of the guide sleeve (13) is slidably connected to the inside of the fixing plate (14).