CN211646380U - Mechanical recovery device for umbrella-shaped anchor - Google Patents
Mechanical recovery device for umbrella-shaped anchor Download PDFInfo
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- CN211646380U CN211646380U CN201922345000.6U CN201922345000U CN211646380U CN 211646380 U CN211646380 U CN 211646380U CN 201922345000 U CN201922345000 U CN 201922345000U CN 211646380 U CN211646380 U CN 211646380U
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Abstract
The utility model provides a mechanical recovery device of umbrella-type anchor, including anchor head fixing device, connecting rope and top recovery unit, anchor head fixing device includes foraminiferous screw and the pulley of being fixed in anchor head mobile jib both sides of umbrella-type anchor, and the one end of two anchor plates is connected with the rotation of anchor head mobile jib, and top recovery unit includes hoist engine and supporting fixed bolster, and the hoist engine is fixed in supporting fixed bolster; one end of the connecting rope is fixed on the anchor plate of the umbrella-shaped anchor by the screw with the hole, and the other end of the connecting rope is connected with the winch of the top recovery device upwards along the anchor rod after passing through the pulley fixed on the main rod of the anchor head. The utility model discloses an add connection rope and pulley, utilize foraminiferous screw to fix the connection rope on the anchor slab, utilize the hoist engine to pull for the anchor slab keeps foldd the state at last pull-up in-process, resists the soil resistance that drags the in-process, realizes the effective recovery of umbrella type anchor, and whole recovery technology is very simple, and construction speed is fast, efficient.
Description
Technical Field
The utility model relates to a ground body consolidates technical field, specifically is a mechanical type recovery unit of umbrella type anchor.
Background
The non-grouting anchoring method is an emergency reinforcing measure for geotechnical structures developed in recent years, and mainly utilizes the self resistance of a soil body to provide the anchoring force required by reinforcement, and the non-grouting anchoring method can play a role after construction is completed and can effectively adapt to emergency reinforcing requirements, such as a glass fiber reinforced plastic spiral anchor, a use method (CN201110427770.0), a special impact umbrella type anchor (ZL201510413982.1) for emergency, and the like of the utility model such as Zhouyglian and the like. The umbrella-shaped anchor is an anchoring method proposed in recent years, and the umbrella-shaped anchor mainly utilizes the self resistance of the soil body to provide required anchoring force after an anchor head is expanded in the soil body.
After the anchoring devices are completed in the emergency service period, the anchor plate is already opened in the soil body, and the anchor head is pulled out through the drawing equipment, so that not only is a very large drawing force required, but also the structure of the anchoring facility is damaged, and the complete recovery and the repeated reutilization of the anchoring structure cannot be realized. Because metal materials and grouting materials in the anchoring structure are retained in the soil body and cannot be effectively recycled, the implementation of subsequent permanent reinforcement engineering is influenced on one hand, and on the other hand, underground space is occupied, underground garbage is formed, the pollution to the underground environment is caused, the waste of resources is also caused, and the economic benefit is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides an umbrella type anchor mechanical recovery unit that simple structure, not cause environmental pollution, resource cyclic utilization to the not enough of unable effective recovery after having used umbrella type anchor device. The utility model discloses an add connection rope and pulley, utilize foraminiferous screw to fix the connection rope on the anchor slab, utilize the hoist engine to pull for the anchor slab keeps foldd the state at last pull-up in-process, resists the soil resistance that drags the in-process, realizes the effective recovery of umbrella type anchor, and whole recovery technology is very simple, and construction speed is fast, efficient, and structural stability is good, and construction safety is secure.
The utility model discloses the technical problem that solve is realized through following technical scheme:
a mechanical recovery device of an umbrella-shaped anchor comprises an anchor head fixing device, a connecting rope and a top recovery device, wherein the anchor head fixing device comprises a screw with a hole and pulleys fixed on two sides of an anchor head main rod of the umbrella-shaped anchor; one end of the connecting rope is fixed on the anchor plate of the umbrella-shaped anchor by the screw with the hole, and the other end of the connecting rope is connected with the winch of the top recovery device upwards along the anchor rod after passing through the pulley fixed on the main rod of the anchor head.
Furthermore, the connecting rope is a flexible steel wire rope or a high-strength nylon rope with the diameter of 2.0-5.0mm, and the tensile strength is not less than 10 kN; the connecting rope goes around a pulley fixed on the main rod of the anchor head and with the diameter of 10mm, passes through the screw with the hole, and is fixed on the anchor plate after screwing the screw.
Furthermore, a screw rod of the screw with the hole is provided with a small hole for a connecting rope to pass through, and the screw with the hole is fixed on the anchor plate through threads.
Further, the pulley is welded with a protective plate on the sliding groove and used for restraining the connecting rope and ensuring that the connecting rope passes through the sliding groove.
The utility model provides a mechanical type recovery method and device compares with prior art, has the progress and the advantage of following aspect:
(1) the mechanical recovery method and the mechanical recovery device of the utility model firstly realize the complete recovery and the nondestructive recovery of the emergency anchoring technical product, thereby saving the underground space and avoiding the pollution to the underground environment;
(2) the mechanical recovery method and the device of the utility model depend on the original umbrella-shaped anchor structure, have small volume and simple and safe recovery process;
(3) the utility model discloses a mechanical type recovery method and device have increased the reuse rate of anchor product, and economic benefits is showing.
Drawings
FIG. 1 is a schematic structural view of one embodiment of a mechanical recovery device of an umbrella-shaped anchor according to the present invention;
FIG. 2(a) is a front view of a screw with a hole in the mechanical retrieving device of the umbrella-shaped anchor of the present invention; FIG. 2(b) is a sectional view taken along line A-A in FIG. 2 (a);
fig. 3(a) is a front view of the pulley in the mechanical retrieval device of the umbrella-shaped anchor of the present invention; FIG. 3(B) is a sectional view taken along line B-B of FIG. 3 (a);
fig. 4 is a schematic view of the mechanical recovery device of the umbrella-shaped anchor of the present invention during the recovery of the umbrella-shaped anchor;
fig. 5(a) is the schematic view of the anchor working state of the present invention, fig. 5(b) is the schematic view of the anchor plate when it is folded, and fig. 5(c) is the schematic view of the recovery state of the present invention.
In the figure: 1-anchor head fixing device; 2-connecting ropes; 3-top recovery unit; 4-a screw with a hole; 5, a pulley; 6-driving in the head; 7, a pressure bearing disc; 8, a sliding connecting rod; 9-anchor head main rod; 10-anchor plate; 11-a support bar; 12-a winch; 13-a mating fixture; 14-a shield.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 to 4, an embodiment of the present invention provides a mechanical recovery device for an umbrella-shaped anchor, including an anchor head fixing device 1, a connecting rope 2 and a top recovery device 3.
As shown in fig. 5(a) to 5(c), the utility model is applied to a driving-in umbrella-shaped anchor, which comprises an anchor head and an anchor head connected with the anchor head, wherein the anchor head comprises a driving-in head 6, a bearing disc 7, a sliding connecting rod 8, an anchor head main rod 9, anchor plates 10 and a support rod 11, the anchor head main rod 9 is connected with the driving-in head 6 through the sliding connecting rod 8, the bearing disc 7 is sleeved on the sliding connecting rod 8 and can slide up and down along the sliding connecting rod 8, one end of each of the two anchor plates 10 is rotatably connected with the anchor head main rod 9, the middle part of each of the two anchor plates 10 is rotatably connected with one end of the support rod 11, the other end of the support rod 11 is rotatably connected with the bearing disc 7, the anchor head main rod 9 is connected with an anchor rod, the anchor head and the anchor rod are driven by a driving-in device to the earth body, the anchor head main rod 9, the sliding connecting rod 8 and the driving-in head 6 to, the two anchor plates 10 are expanded towards the two sides of the anchor head main rod 9 under the action of the frictional resistance of the soil body and penetrate into the soil body, and the two anchor plates 10 push the supporting rod 11 to be expanded outwards while being expanded outwards so as to drive the pressure bearing disc 7 to slide downwards along the sliding connecting rod 8.
The anchor head fixing device 1 comprises a perforated screw 4 and a pulley 5, one end of the connecting rope 2 is fixed on an anchor plate 10 of the umbrella-shaped anchor through the perforated screw 4, and the other end of the connecting rope is upwards connected with the top recovery device 3 along the anchor rod after passing through the pulley 5 fixed on the anchor head main rod 9.
The top recovery device 3 comprises a winch 12 and a matched fixed support 13, and the winch 12 is fixed on the matched fixed support 13. During installation, one end of the connecting rope 2 penetrates through a small hole in a screw rod of the perforated screw 4 (as shown in fig. 2(a) and 2 (b)), then the perforated screw 4 is screwed down to enable one end of the connecting rope 2 to be fixed on the anchor plate 10, and the other end of the connecting rope 2 penetrates through the pulley 5 fixed on the anchor head main rod 9 and extends to the winch 12 in the hole along the anchor rod. By applying traction force to the connecting rope 2, the anchor plate 10 is driven to keep a folding state, and recovery is realized.
With further reference to fig. 4, 5(a) to 5(c), in the initial state, under the action of the tension of the connecting rope 2, the two anchor plates 10 and the support rods 11 connected thereto are tightly attached to the two sides of the anchor head main rod 9 in a vertical state; in the installation process of the umbrella-shaped anchor, the connecting rope 2 is sent into or hit into the soil body along with the head of the umbrella-shaped anchor, and the connecting rope 2 keeps tight until the anchor head reaches the preset hole depth.
In the process of stretching the umbrella-shaped anchor, the tension of the connecting rope 2 is removed, the connecting rope is kept in a loose state, the anchor rod drives the anchor head to move outwards, the anchor head main rod 9 and the sliding connecting rod 8 integrally move upwards, the two anchor plates 10 are unfolded towards the two sides of the anchor head main rod 9 under the action of the frictional resistance of the soil body and penetrate into the soil body, the two anchor plates 10 push the supporting rod 11 to be outwards opened while being outwards opened, and then the bearing plate 7 is driven to slide downwards along the sliding connecting rod 8, and the anchor plates 10 extrude the soil body to obtain the anchoring force.
In the recovery process, the umbrella-shaped anchor head is driven into the soil body again by adopting driving equipment, and the stroke is not more than 1.5 meters. After the driving is finished, tension is applied to the free end of the connecting rope 2, the anchor plate 10 is folded under the driving action of the tension of the connecting rope 2, the anchor plate is pulled by the winch 12, and the anchor head and the anchor rod are pulled out together to finish the recovery of the umbrella-shaped anchor.
Preferably, the connecting rope 2 is a flexible steel wire rope or a high-strength nylon rope with the diameter of 2.0-5.0mm, and the tensile strength is not less than 10 kN; the connecting rope 2 is wound around a pulley 5 which is fixed on the anchor head main rod 9 and has the diameter of 10mm, passes through a screw with a hole, and is fixed on the anchor plate 10 after screwing the screw tightly.
The pulley 5 is welded with a protective plate 14 on the sliding chute to restrain the connecting rope 2 and ensure that the connecting rope 2 passes through the sliding chute.
The utility model discloses mechanical type recovery unit's of umbrella type anchor application method, including the following step:
step one, one end of a connecting rope 2 is wound around a pulley 5 and penetrates through a screw 4 with a hole, the screw is tightened to enable one end of the connecting rope 2 to be fixed on an anchor plate 10, and the other end of the connecting rope 2 is connected with a winch 12;
secondly, before the anchor head is placed downwards, a tension not less than 2kN is applied to the connecting rope 2 through the winch 12, so that the connecting rope 2 is kept in a tight state, and the anchor plate 10 is kept in a furled state;
thirdly, feeding or driving the anchor head and the anchor rod into the anchor hole, wherein the connecting rope 2 is kept tight by controlling the winch 12 to rotate in the process until the connecting rope exceeds the preset anchoring depth by more than 1.5 m;
step four, rotating the winch 12 to enable the connecting rope 2 to be in a loose state, erecting umbrella-shaped anchor tensioning equipment, and completing tensioning and locking of the umbrella-shaped anchor;
step five, when the umbrella-shaped anchor is recovered after use, taking down the locking device, erecting driving equipment, rotating the winch 12 to enable the connecting rope 2 to be in a loose state and to have a telescopic length of not less than 1.5m, starting the driving equipment, driving the driving depth to be not more than 1.5m, and driving the anchor plate to fold by forward movement of the anchor head;
and step six, rotating the winch 12 to recover the connecting rope 2 to a tight state, applying a pulling force not less than 5kN to the connecting rope 2 through the winch 12 to fold the anchor plate 10, dragging the anchor rod outwards by adopting manpower, keeping the connecting rope 2 in the tight state in the dragging process until the anchor head is dragged out of the orifice, and finishing the recovery of the umbrella-shaped anchor.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a mechanical type recovery unit of umbrella type anchor which characterized in that: the umbrella-shaped anchor head recovery device comprises an anchor head fixing device (1), a connecting rope (2) and a top recovery device (3), wherein the anchor head fixing device (1) comprises a perforated screw (4) and pulleys (5) fixed on two sides of an anchor head main rod (9) of an umbrella-shaped anchor, one ends of two anchor plates (10) are rotatably connected with the anchor head main rod (9), the top recovery device (3) comprises a winch (12) and a matched fixing support (13), and the winch (12) is fixed on the matched fixing support (13); one end of the connecting rope (2) is fixed on an anchor plate (10) of the umbrella-shaped anchor by a screw (4) with a hole, and the other end of the connecting rope (2) is connected with a winch (12) of the top recovery device (3) upwards along the anchor rod after passing through a pulley (5) fixed on a main rod (9) of the anchor head.
2. The mechanical recovery device of claim 1, wherein: the connecting rope (2) is a flexible steel wire rope or a high-strength nylon rope with the diameter of 2.0-5.0mm, and the tensile strength is not less than 10 kN; the connecting rope (2) bypasses a pulley (5) which is fixed on the anchor head main rod (8) and has the diameter of 10mm, passes through the screw (4) with the hole, and is fixed on the anchor plate (10) after screwing the screw.
3. The mechanical recovery device of claim 1, wherein: the screw rod of the screw (4) with the hole is provided with a small hole for the connecting rope (2) to pass through, and the screw (4) with the hole is fixed on the anchor plate (10) through threads.
4. The mechanical recovery device of claim 1, wherein: the pulley (5) is welded with a protective plate on the sliding groove and used for restraining the connecting rope (2) and ensuring that the connecting rope (2) passes through the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345000.6U CN211646380U (en) | 2019-12-23 | 2019-12-23 | Mechanical recovery device for umbrella-shaped anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345000.6U CN211646380U (en) | 2019-12-23 | 2019-12-23 | Mechanical recovery device for umbrella-shaped anchor |
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| Publication Number | Publication Date |
|---|---|
| CN211646380U true CN211646380U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922345000.6U Active CN211646380U (en) | 2019-12-23 | 2019-12-23 | Mechanical recovery device for umbrella-shaped anchor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904960A (en) * | 2019-12-23 | 2020-03-24 | 长江水利委员会长江科学院 | Mechanical recovery device of umbrella-shaped anchor and application method |
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2019
- 2019-12-23 CN CN201922345000.6U patent/CN211646380U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904960A (en) * | 2019-12-23 | 2020-03-24 | 长江水利委员会长江科学院 | Mechanical recovery device of umbrella-shaped anchor and application method |
| CN110904960B (en) * | 2019-12-23 | 2021-07-23 | 长江水利委员会长江科学院 | Mechanical recovery device of umbrella-shaped anchor and application method |
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