Spiral recoverable anchor rod

Abstract

The utility model provides a spiral recoverable anchor rod which is used for solving the problems that in the prior art, an anchor rod is high in construction cost, tedious in use process and difficult to recover. Comprising a rod-shaped mechanism, a plurality of anchoring mechanisms and a second elastic piece, the rod-shaped mechanism comprises a hollow outer rod, a threaded rod and a tip anchor head, the inner wall of the hollow outer rod is provided with an internal thread matched with the threaded rod in a threaded mode, and the bottom end of the hollow outer rod is fixedly connected with the tip anchor head; the multiple anchoring mechanisms are all located in the hollow outer rod, every two adjacent anchoring mechanisms are connected through a force transmission column, and the threaded rod is rotationally connected with or abuts against the anchoring mechanism located at the topmost end. Each anchoring mechanism comprises an anchoring platform in sliding fit with the inner wall of the hollow outer rod, at least four anchoring heads, at least four anchoring hooks, at least four first elastic pieces and at least four second elastic pieces, wherein the first elastic pieces and the second elastic pieces are used for resetting the anchoring platform to the top end of the hollow outer rod. The recoverable anchor rod can be repeatedly used, the construction cost is reduced, operation is easy, and recovery is rapid and convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of anchor rod, especially relates to a spiral recyclable anchor rod. BACKGROUND

[0002] With the continuous advancement of infrastructure construction in China, the construction industry has developed rapidly. At present, anchor rod support technology is widely used in urban foundation pit reinforcement, and plays a significant benefit in urban construction. However, the large use of anchor rod leads to more and more anchor rods buried in the city. After the temporary support function fails, this traditional anchor rod cannot be recycled, and is buried in the ground together with the constructed structure, occupies a large amount of underground space, forms underground garbage, causes underground environmental pollution, and the left anchor rod becomes an underground obstacle for subsequent engineering, and also causes waste of steel due to the fact that the anchor rod cannot be recycled. Recyclable anchor rod is an inevitable product of the development of anchor rod technology, and for temporary engineering, it is inevitable to cause resource waste if permanent anchor rod is still used; at the same time, if it is in the city, a large number of anchor rods are buried in the ground, which may affect subsequent construction, adjacent plot foundation pit excavation, subway construction and long-term urban planning. At present, the existing recyclable anchor rod mainly includes inflatable recycling technology and combined recycling technology, but the existing recyclable anchor rod has high construction cost, and the construction and use process is more complicated, which is easy to cause recycling difficulty due to improper operation. SUMMARY

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a spiral recyclable anchor rod, which is used to solve the problems of high construction cost of anchor rod, complicated use process and recycling difficulty in the prior art.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a spiral recyclable anchor rod, which comprises:

[0005] A rod-shaped mechanism, the rod-shaped mechanism comprises a hollow outer rod, a threaded rod and a pointed anchor head, the hollow outer rod inner wall is provided with internal threads matched with the threaded rod, and the bottom end of the hollow outer rod is fixedly connected with the pointed anchor head;

[0006] A plurality of anchor mechanisms, the plurality of anchor mechanisms are located in the hollow outer rod, and adjacent two anchor mechanisms are connected through a force transmission column, and the threaded rod is rotationally connected with the anchor mechanism located at the top end or abuts against the anchor mechanism located at the top end.

[0007] Each of the anchoring mechanisms comprises an anchoring platform, at least four anchoring heads, at least four anchoring hooks, and at least four first elastic members, the anchoring platform is in sliding fit with the inner wall of the hollow outer rod, the at least four anchoring heads are arranged at intervals and fixedly connected on the anchoring platform, the anchoring heads and the anchoring hooks are equal in number and one-to-one rotationally connected, and the hollow outer rod has at least four hook outlet grooves for accommodating the anchoring hooks in a circumference direction;

[0008] The first elastic members are used for pulling the anchoring hooks back to the hook outlet grooves.

[0009] Second elastic members are used for resetting the anchoring platform to the top end of the hollow outer rod.

[0010] Optionally, the anchoring platform is a convex cylindrical structure.

[0011] Optionally, the second elastic members are springs, one end of each of the springs is connected to the bottom of the force transmission column at the lowest end, and the other end of each of the springs is fixedly connected with the pointed anchoring head.

[0012] Optionally, the second elastic members have at least three groups, and the at least three groups of second elastic members are arranged at intervals in a circumference direction around the central axis of the force transmission column.

[0013] Optionally, the first elastic members comprise springs, one end of each of the springs is hingedly connected with the force transmission column, and the other end of each of the springs is hingedly connected with the back of the anchoring hook.

[0014] Optionally, one end of the threaded rod has a rotating handle.

[0015] Optionally, the anchoring hook has a crescent-shaped cross section.

[0016] Optionally, the cross section comprises a first arc line, a second arc line, and a hinged block, one end of the first arc line and the second arc line is connected, the other end of the first arc line and the second arc line is away from each other and connected through the hinged block, and the hinged block is rotationally connected with the anchoring head.

[0017] Optionally, the length of the thread on the inner wall of the hollow outer rod can completely extend the anchoring hook from an initial hooking state to an unhooking state.

[0018] As described above, the spiral recyclable anchor rod has at least the following beneficial effects:

[0019] By the plurality of anchoring mechanisms located in the hollow outer rod, at least four anchors on each anchoring mechanism extend into the soil body, strong anchoring force is provided, the hollow outer rod can be closely combined with the soil body, and the phenomenon of material waste and increased construction cost caused by arranging relatively dense anchor rods is avoided. The anchoring platform is moved to the end of the pointed anchor head by rotating the threaded rod, the anchoring platform is moved to the end of the pointed anchor head, the back of the anchor abuts against the hook slot, the anchor is extended outward and inclined upward from the initial hooking state, so that the extending end of the anchor extends into the surrounding soil body, the threaded length on the inner wall of the hollow outer rod can completely extend the anchor from the initial hooking state to the hooking state, at this time, the first elastic member is in a stretched state, and the second elastic member is in a compressed state, so that the anchoring and supporting effect is realized; when the construction is completed and recovered, the threaded rod is reversely rotated, the second elastic member resets the anchoring platform to the top end of the hollow outer rod, the first elastic member pulls the anchor back into the hook slot and is in the initial hooking state, the whole operation process is simple, quick and convenient to recover, the overall device can be repeatedly used, underground space is not occupied to form underground garbage and cause underground environmental pollution, and the device has great popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A perspective structural schematic view of the utility model is shown;

[0021] Figure 2 A sectional view of the utility model is shown;

[0022] Figure 3 A perspective structural schematic view of the utility model Figure 2 An enlarged view of the middle A part;

[0023] Figure 4 A perspective structural schematic view of the utility model Figure 2 An enlarged view of the middle B part.

[0024] Element number explanation

[0025] Rod-shaped mechanism 1, hollow outer rod 11, threaded rod 12, pointed anchor head 13;

[0026] Anchoring mechanism 2, anchoring platform 21, anchoring head 22, anchor 23, first arc line 231, second arc line 232, hinged block 233, first elastic member 24, hook slot 25;

[0027] Force transmission column 3, second elastic member 4, rotating handle 5. DETAILED DESCRIPTION

[0028] The implementation modes of the utility model are described below by specific specific embodiments, and other advantages and effects of the utility model can be easily understood by those skilled in the art from the content disclosed in the specification.

[0029] Please refer to Figures 1 to 4It should be understood that the structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and are not used to limit the implementation of the utility model, and therefore do not have technical significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the utility model, should still fall within the scope of the disclosed technical content.

[0030] The following embodiments are only for illustration. Various embodiments can be combined, which are not limited to the content shown in the following single embodiment.

[0031] In this embodiment, please refer to Figures 1 to 4 The utility model provides a spiral recyclable anchor rod, it includes: rod mechanism 1, a plurality of anchor mechanism 2 and second elastic piece 4, rod mechanism 1 includes hollow outer pole 11, threaded rod 12 and tip anchor head 13, the inner thread with threaded rod 12 is matched on the inner wall of hollow outer pole 11, the bottom end of hollow outer pole 11 is fixedly connected with tip anchor head 13;

[0032] A plurality of anchor mechanism 2 are located in hollow outer pole 11, and the adjacent two anchor mechanism 2 are connected by force transmission column 3, the force transmission column 3 can be cylindrical, threaded rod 12 is rotatably connected with the anchor mechanism 2 located at the top end or abuts against;

[0033] Each anchor mechanism 2 includes anchor platform 21, at least four anchor heads 22, at least four anchor hooks 23, at least four first elastic pieces 24, the anchor platform 21 is slidably connected with the inner wall of hollow outer pole 11, at least four anchor heads 22 are arranged at intervals and fixedly connected on the anchor platform 21, the anchor head 22 and the anchor hook 23 are equal in number and rotatably connected one by one, the hollow outer pole 11 is circumferentially provided with at least four hook outlet grooves 25 for accommodating the anchor hook 23 respectively, threaded rod 12 is rotatably connected with the anchor platform 21 located at the top end of hollow outer pole 11 or abuts against, wherein the length of the thread on the inner wall of hollow outer pole 11 can completely extend the anchor hook 23 from the initial hooking state to the hooking state, the operator does not need to repeatedly adjust or perform additional operations to make the anchor hook reach the fully stretched state, which reduces the operation steps and time and improves the efficiency of the entire anchoring process;

[0034] The first elastic member 24 is used to pull the anchor hook 23 back to the hook-out slot; the second elastic member 4 is used to reset the anchoring platform 21 to the top end of the hollow outer rod 11.

[0035] By the plurality of anchoring mechanisms 2 located in the hollow outer rod 11, at least four anchor hooks 23 on each anchoring mechanism 2 extend into the soil body, providing strong anchoring force, enabling the hollow outer rod 11 to be closely combined with the soil body, and avoiding the phenomenon of arranging relatively dense anchor rods, resulting in material waste and increased construction cost. By rotating the threaded rod 12 to drive the anchoring platform 21 to move to the end of the pointed anchor head 13, the anchoring platform 21 moves to the end of the pointed anchor head 13, the back of the anchor hook 23 abuts against the hook-out slot 25, so that the anchor hook 23 extends outward from the initial hooking state and moves upwardly and obliquely, so that the extending end of the anchor hook 23 extends into the surrounding soil body, and the length of the thread on the inner wall of the hollow outer rod 11 can completely elongate the anchor hook 23 from the initial hooking state to the hooking state. At this time, the first elastic member 24 is in a stretched state, and the second elastic member 4 is in a compressed state, thereby realizing the anchoring and supporting effect; when the construction is completed and recovered, the threaded rod 12 is rotated in the opposite direction, the second elastic member 4 resets the anchoring platform 21 to the top end of the hollow outer rod 11, and the first elastic member 24 pulls the anchor hook 23 back into the hook-out slot 25 and is in the initial hooking state. The entire operation process is simple, quick and convenient to recover, the overall device can be reused, does not occupy underground space to form underground garbage and cause underground environmental pollution, and has great popularization value.

[0036] In the embodiment, please refer to Figure 2 and Figure 3 , the anchoring platform 21 is a convex cylindrical structure. The convex cylindrical structure is relatively simple, easy to process and form, has good structural stability, and can fully utilize the space in the hollow outer rod 11.

[0037] In the embodiment, please refer to Figure 2 and Figure 4 , the second elastic member 4 is a spring, one end of the spring is connected to the bottom of the lowest force transmission column 3, and the other end is fixedly connected to the pointed anchor head 13. The spring has good elastic recovery capacity, and when the anchoring platform 21 is displaced under the pushing force of the threaded rod 12, the spring can reset the anchoring platform 21 to the top end of the hollow outer rod 11 by using the elastic potential energy of the spring.

[0038] In the embodiment, please refer to Figure 4 , the second elastic member 4 has at least three groups, and the at least three groups of second elastic members 4 are arranged in a circumferential interval around the central axis of the force transmission column 3, thereby enhancing the stress uniformity, strengthening the resetting effect, improving the stability and balance.

[0039] In the embodiment, please refer to Figure 2The first elastic member 24 comprises a spring, one end of which is hinged to the force transmission column 3 and the other end of which is hinged to the back of the anchor hook 23. When the anchor hook 23 is extended from the hook slot 25 and the anchoring operation is completed, the spring can pull the anchor hook 23 back into the hook slot 25 by using the elastic potential energy of the spring.

[0040] In the embodiment, as shown in Figure 1 and Figure 2 , one end of the threaded rod 12 is provided with a rotating handle 5. The rotating handle 5 improves the convenience and efficiency of operation.

[0041] In the embodiment, as shown in Figure 2 and Figure 3 , the anchor hook 23 has a crescent-shaped cross section. The curved edge of the crescent-shaped anchor hook can better fit the surrounding soil when in contact with the soil, increases the contact area with the soil, and improves the stability.

[0042] In the embodiment, as shown in Figure 2 and Figure 3 , the cross section comprises a first arc line 231, a second arc line 232, and a hinge block 233, one end of the first arc line 231 and the second arc line 232 is connected, the other end of the first arc line 231 and the second arc line 232 is away from each other and connected through the hinge block 233, and the hinge block 233 is rotationally connected with the anchoring head. When in contact with the soil, the curved edge of the arc line can better fit the surrounding soil, increase the contact area with the soil, and improve the stability. Working principle: when in use, the hollow outer rod 11 is inserted into the anchor hole, and then the rotating handle 5 drives the threaded rod 12 to move towards the tip of the anchoring head 13, so that the anchoring platform 21 moves towards the tip of the anchoring head 13, the back of the anchor hook 23 abuts against the hook slot 25, so that the anchor hook 23 extends outward from the initial hooking state and tilts upward to move, so that the extension end of the anchor hook 23 extends into the surrounding soil, and the threaded length on the inner wall of the hollow outer rod 11 can completely extend the anchor hook 23 from the initial hooking state to the hooking state, at this time the first elastic member 24 is in a stretched state and the second elastic member 4 is in a compressed state, thereby realizing the anchoring support effect; when the construction is completed and the anchor hook 23 is recovered, the threaded rod 12 is rotated in the opposite direction, the second elastic member 4 resets the anchoring platform 21 to the top end of the hollow outer rod 11, and the first elastic member 24 pulls the anchor hook 23 back into the hook slot 25 and is in the initial hooking state. The entire operation process is simple, quick and convenient to recover, the overall device can be reused, does not occupy underground space to form underground garbage and cause underground environmental pollution, and has great popularization value.

[0043] In summary, the utility model discloses a plurality of anchoring mechanisms 2 in hollow outer rod 11, and the at least four anchor hooks 23 of each anchoring mechanism 2 extend into the soil body, providing strong anchoring force, so that the hollow outer rod 11 can be closely combined with the soil body, avoiding the arrangement of relatively dense anchor rods, resulting in the phenomenon of material waste and increased construction cost. The rotating threaded rod 12 drives the anchoring platform 21 to move to the end of the pointed anchor head 13, so that the anchoring platform 21 moves to the end of the pointed anchor head 13, the back of the anchor hook 23 abuts against the hook slot 25, so that the anchor hook 23 extends outward from the initial hooking state and moves upwardly and obliquely, so that the extension end of the anchor hook 23 extends into the surrounding soil body, and the threaded length on the inner wall of the hollow outer rod 11 can completely elongate the anchor hook 23 from the initial hooking state to the hooking state, at this time, the first elastic member 24 is in a stretched state, and the second elastic member 4 is in a compressed state, so as to realize the anchoring and supporting effect. When the construction is completed and recovered, the threaded rod 12 is rotated in the opposite direction, the second elastic member 4 resets the anchoring platform 21 to the top end of the hollow outer rod 11, the first elastic member 24 pulls the anchor hook 23 back into the hook slot 25 and is in the initial hooking state, the whole operation process is simple, quick and convenient to recover, and the overall device can be reused, without occupying underground space to form underground garbage and cause underground environmental pollution, having great popularization value. Therefore, the utility model effectively overcomes the various shortcomings in the prior art and has high industrial utilization value.

[0044] The above embodiments only exemplarily illustrate the principles and effects of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A screw-type recyclable anchor rod, characterized by, The utility model relates to a rod-shaped mechanism, a plurality of anchor mechanisms and a second elastic element. The rod-shaped mechanism comprises a hollow outer rod, a threaded rod and a pointed anchor head, the inner wall of the hollow outer rod is provided with internal threads matched with the threaded rod, and the bottom end of the hollow outer rod is fixedly connected with the pointed anchor head. The plurality of anchor mechanisms are located in the hollow outer rod and connected by force transmission columns between adjacent two anchor mechanisms, and the threaded rod is rotationally connected with the anchor mechanism located at the top end or abuts against the anchor mechanism. Each anchor mechanism comprises an anchor platform, at least four anchor heads, at least four anchor hooks and at least four first elastic elements. The anchor platform is slidingly matched with the inner wall of the hollow outer rod, the at least four anchor heads are arranged at intervals and fixedly connected on the anchor platform, the anchor heads and the anchor hooks are equal in number and rotationally connected one by one, and the hollow outer rod is circumferentially provided with at least four hook outlet grooves for accommodating the anchor hooks respectively. The first elastic elements are used for pulling the anchor hooks back to the hook outlet grooves.

2. A screw-type recoverable anchor rod according to claim 1, characterized in that: The second elastic element is used for resetting the anchor platform to the top end of the hollow outer rod.

3. A screw-type recoverable anchor rod according to claim 1, characterized in that: The anchor platform is a convex cylindrical structure.

4. A screw-type recoverable anchor rod according to claim 1, characterized in that: The second elastic element is a spring, one end of the spring is connected to the bottom of the force transmission column at the lowest end, and the other end is fixedly connected with the pointed anchor head.

5. A screw-type recoverable anchor rod according to claim 1, characterized in that: The second elastic element has at least three groups, and the at least three groups of second elastic elements are arranged at intervals circumferentially around the central axis of the force transmission column.

6. A screw-type recoverable anchor rod according to claim 1, characterized in that: The first elastic element comprises a spring, one end of the spring is hingedly connected with the force transmission column, and the other end is hingedly connected with the back of the anchor hook.

7. A screw-type recoverable anchor rod according to claim 1, characterized in that: One end of the threaded rod is provided with a rotating handle.

8. A screw-type recoverable anchor rod according to claim 7, characterized in that: The cross section of the anchor hook is crescent-shaped.

9. A screw-type recoverable anchor rod according to claim 1, characterized in that: The cross section comprises a first arc line, a second arc line and a hinge block, one end of the first arc line and the second arc line is connected, the other end of the first arc line and the second arc line is away from each other and connected through the hinge block, and the hinge block is rotationally connected with the anchor head. The length of the threads on the inner wall of the hollow outer rod can completely elongate the anchor hooks from the initial hooking state to the hooking state.

Images