CN215213557U - Recyclable multi-section self-adaptive expansion anchor rod - Google Patents

Abstract

The utility model discloses a recoverable reuse's multistage self-adaptation inflation stock belongs to the building technology field, including the stock shell, the stock shell is inside to be set up to hollow structure, pours into concrete into the stock shell, and the stock shell sets up in the drilling of the soil body, and the stock shell includes a plurality of sections internal thread section and a plurality of sections inflation section, is provided with one section inflation section between two sections internal thread sections, and the both ends of stock shell all set up internal thread section. The utility model discloses last afterburning behind the tight stretch-draw screw of turning round, stock inflation section inflation, the expansion process can self-adaptation laminating rock mass on every side, the laminating degree is good, the bond stress is strong, the degree of laminating is good, after inside slip casting, for the friction formula, enlarge formula stock, the resistance to plucking power is stronger, need retrieve the condition of stock to the urban area, the stock is recoverable, avoid breaching the secret red line, whether the straightening when can detect the inside condition of handling when installing and retrieving, it is high to have recovery efficiency, the inside atress condition of real-time detection, the damage technology change appears, avoid the occurence of failure.

Description

Recyclable multi-section self-adaptive expansion anchor rod

Technical Field

The utility model relates to the field of electronic technology, especially, relate to a recoverable reuse's multistage self-adaptation inflation stock.

Background

Currently, there are two main forms of anchor rods: 1. the friction type anchor rod mainly depends on the bonding force and the friction force between the anchoring section and the surrounding soil body to transfer load, and belongs to the friction type anchor rod. The main disadvantages are: (1) the size of the anchoring force depends on the length of the anchoring section, the property of the soil body contacted with the anchoring section and other factors, and if special weak soil body is encountered, the pulling force of the anchor rod is not high, and the reinforcing effect is not good; (2) the common high-pressure jet enlarged head anchor rod has the problems of low cement soil strength and poor bond between an anchoring body and an anchor rod body; 2. the expansion type anchor rod expands the structure through stressing, has the expansion structure and opens the difficulty, and anchor body and surrounding soil body bond tension are poor, and the pressurized end portion is not closely knit, and is not good scheduling problem with the hole laminating degree.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but recycle's multistage self-adaptation inflation stock solves the technical problem who exists among the background art.

The utility model provides a recoverable reuse's multistage self-adaptation inflation stock, includes the stock shell, and the stock shell is inside to be set up to hollow structure, pours into the concrete into the stock shell, and the stock shell sets up in the drilling of the soil body, and the stock shell includes a plurality of sections internal thread section and a plurality of sections inflation section, is provided with one section inflation section between two sections internal thread sections, and the both ends of stock shell all set up internal thread section.

Furthermore, the anchor rod further comprises a tension screw rod, the tension screw rod is sleeved in the anchor rod shell and is in threaded arrangement with the internal thread section, and the tension screw rod is screwed down to stretch the expansion section to expand outwards.

Further, still include the recovery screw rod, in the recovery screw rod emboliaed the stock shell, recovery screw rod and internal thread section screw thread set up to stretch several sections to stretch the expansion section shrink setting to internal thrust.

Further, retrieve the screw rod and include straight-bar section, thrust section and twist the ring, twist the ring setting in the one end of straight-bar section, the thrust section sets up the other end at straight-bar section, and the thrust section sets up to helicitic texture.

Further, the expansion section is set to be a hollow pipe structure, a plurality of grouting holes are formed in the side wall, and the grouting holes are set to be of an oval structure.

Furthermore, the outer part of the internal thread section is provided with a closed structure, the inner part of the internal thread section is provided with internal threads, and the thickness of the internal thread section is thicker than that of the expansion section.

Furthermore, the anchor rod comprises an expansion drill bit and an electric drill, wherein the expansion drill bit is connected with a rotating shaft of the electric drill, and is sleeved into the anchor rod shell and rotates to crush the concrete, so that the concrete in the anchor rod shell is emptied.

Furthermore, the device comprises a pressure sensor and a bending soft angle displacement sensor, wherein the pressure sensor and the bending soft angle displacement sensor are both arranged at the outer side of the expansion section, the pressure sensor is used for detecting the pressure of the soil body on the outer side of the expansion section (1.3), and the bending soft angle displacement sensor is used for detecting the stretching condition of the expansion section (1.3).

Further, still include data detection device, the last detection interface that is provided with of data detection device, all pressure sensor and crooked soft angular displacement sensor all stretch out the front end of stock shell through the wire to set up the data acquisition mouth, be provided with waterproof lid on the data acquisition mouth, do not detect time measuring and close the setting with waterproof lid, when the installation with retrieve the inflation stock, use data detection device to detect the atress data and the condition of stretching of inflation section.

Further, the process of installation and recovery of the expansion anchor rod is as follows: the method comprises the steps of drilling a hole by using a drilling machine to place an anchor rod shell into the hole, screwing the middle of the anchor rod shell through a tensioning screw rod, tensioning the anchor rod shell by applying reverse tension to the tensioning screw rod through the tensioning screw rod, enabling an expansion section to expand laterally and be in self-adaptive close fit with a peripheral soil body, anchoring the expansion section and the soil body, enabling a gripping force to be strong, detecting whether pressure applied to the expansion section conforms to a preset gripping force by using a data detection device, detecting the bending degree of a bending soft angle displacement sensor by using the data detection device, avoiding fracture, taking out the tensioning screw rod reversely, grouting the middle anchoring hole of the anchor rod shell, enhancing the anchoring force, detecting the pressure sensor and the bending soft angle displacement sensor by using the data detection device during use, checking the gripping force and the bending degree data of each expansion section, replacing the expansion section in time when the expansion section is damaged, after use, if the expansion section needs to be recovered, put into the expansion drill bit from the mesopore, the expansion drill bit corotation in the stock shell, abolish intraductal grout, the bottom concrete is clear away in the reversal after reacing stock shell bottom, abolish the grout that the bottom was poured, then turn round and retrieve the screw rod to the screw thread end tail section, strike downwards, strike while using data detection device to detect pressure sensor and crooked soft angular displacement sensor, look over the bond stress and the crooked degree data of each section inflation section, make the expanded structure resume straight again, extract the stock.

The utility model adopts the above technical scheme, the utility model discloses following technological effect has:

the utility model discloses last afterburning behind the tight stretch-draw screw of turning round, stock inflation section inflation, the expansion process can self-adaptation laminating rock mass on every side, the laminating degree is good, the bond stress is strong, the degree of laminating is good, after inside slip casting, for the friction formula, enlarge formula stock, the resistance to plucking power is stronger, need retrieve the condition of stock to the urban area, the stock is recoverable, avoid breaching the secret red line, whether the straightening when can detect the inside condition of handling when installing and retrieving, it is high to have recovery efficiency, the inside atress condition of real-time detection, the damage technology change appears, avoid the occurence of failure.

Drawings

Fig. 1 is a schematic view of the structure of the anchor rod shell of the present invention.

Fig. 2 is the structure schematic diagram of the utility model of the anchor rod shell after being stretched.

Fig. 3 is a schematic view of the structure of the tension screw of the present invention.

Fig. 4 is the schematic view of the structure of the recovery screw rod of the present invention.

Fig. 5 is the utility model discloses the stock laminating rock mass structure sketch map after the inflation.

Fig. 6 is a schematic view of the concrete structure removed by the drill of the present invention.

Reference numbers in the figures: 1-a bolt housing; 1.1-removable disks; 1.2-internal thread section; 1.3-an expansion section; 1.4-grouting holes; 1.5-pressure sensor; 1.6-bending soft angular displacement sensor; 2-tensioning the screw; 3-recovering the screw; 3.1-straight pole section; 3.2-thrust section; 3.3-screwing ring; 4-soil body; 5-enlarging the drill bit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, preferred embodiments are described in detail. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

The utility model provides a recoverable reuse's multistage self-adaptation inflation stock, as shown in figure 1, including stock shell 1, stock shell 1 is inside to be set up to hollow structure, pour into the concrete in stock shell 1, stock shell 1 sets up in the drilling of soil body, stock shell 1 includes a plurality of sections internal thread section 1.2 and a plurality of sections inflation section 1.3, be provided with one section inflation section 1.3 between two sections internal thread section 1.2, the both ends of stock shell 1 all set up internal thread section 1.2, in the body back is advanced in the installation of stock shell 1, inflation section 1.3 outwards stretches out and closely laminates with the soil body, with the soil body anchor. The anchor rod shell 1 is made of metal materials and is provided with a metal shell structure. The front end of the anchor rod shell 1 is provided with a detachable disc 1.1 which is connected with the front end of the anchor rod shell 1, and the diameter of the detachable disc 1.1 is larger than that of the anchor rod shell 1.

In the embodiment of the utility model, as shown in fig. 3, still including the tension screw rod 2, the tension screw rod 2 embolias in the stock shell 1 with internal thread section 1.2 screw thread setting, and tension screw rod 2 screws up tensile expansion section 1.3 and outwards expands the setting.

In the embodiment of the utility model, as shown in fig. 4, still including retrieving screw rod 3, retrieve screw rod 3 and embolia in anchor shell 1, retrieve screw rod 3 and internal thread section 1.2 screw thread setting to the tensile a plurality of sections of internal thrust stretch expansion section 1.3 shrink settings. Retrieve screw rod 3 and include straight-bar section 3.1, thrust section 3.2 and twist and encircle 3.3, twist and encircle 3.3 and set up the one end at straight-bar section 3.1, thrust section 3.2 sets up the other end at straight-bar section 3.1, and thrust section 3.2 sets up to helicitic texture.

The embodiment of the utility model provides an in, inflation section 1.3 sets up to empty pipe structure, is provided with a plurality of injected hole 1.4 on the lateral wall, and injected hole 1.4 sets up to oval structure. The structure is oval at first, when the tensile appears, can become circular structure for the better combination with the soil body of pouring the outside of flowing out of slip casting hole 1.4 of concrete. The outside of internal thread section 1.2 sets up to enclosed construction, and inside is provided with the internal thread, and the thickness of internal thread section 1.2 is thicker than the thickness of inflation section 1.3. The female thread section 1.2 is provided thicker in order to avoid deformation during installation and stretching.

In the embodiment of the utility model, as shown in fig. 5-6, still including enlarging drill bit 5 and electric drill, enlarge drill bit 5 and be connected with the electric drill pivot, enlarge drill bit 5 and embolia in the stock shell 1 and rotatory crushed concrete setting, the concrete in the stock shell 1 is emptied. The reamer head 5 is mainly intended to clear the inner space when being retracted.

In the embodiment of the utility model, as shown in fig. 1, including pressure sensor 1.5 and crooked soft angular displacement sensor 1.6, pressure sensor 1.5 and crooked soft angular displacement sensor 1.6 all set up in the outside of inflation section 1.3, and pressure sensor 1.5 detects the pressure size that the outside of inflation section 1.3 received the soil body, and crooked soft angular displacement sensor 1.6 is used for detecting the expansion section 1.3 condition of stretching. Still include data detection device, the last detection interface that is provided with of data detection device, all pressure sensor 1.5 and crooked soft angular displacement sensor 1.6 all stretch out the front end of stock shell 1 through the wire to set up the data acquisition mouth, be provided with waterproof lid on the data acquisition mouth, do not detect time measuring and close the setting with waterproof lid, when the installation with retrieve the inflation stock, use data detection device to detect the atress data of inflation section 1.3 and the condition of stretching out.

The process of installation and recovery of the expansion anchor rod is as follows: the anchor rod shell 1 is placed into a hole by drilling with a drilling machine, the middle of the anchor rod shell 1 penetrates through a tension screw rod 2 to be tightened, the tension screw rod 2 applies reverse tension to the anchor rod shell 1 to tighten the anchor rod shell, an expansion section 1.3 expands laterally, is adaptive to and tightly attached to a peripheral soil body 4, is anchored with the soil body, has strong holding power, detects whether the pressure borne by the expansion section 1.3 is consistent with preset holding power by using a data detection device, detects the bending degree of a bending soft angle displacement sensor 1.6 by using the data detection device at the same time, avoids the fracture, takes out the tension screw rod 2 reversely, then injects grout into a middle anchoring hole of the anchor rod shell 1 to strengthen the anchoring power, detects a pressure sensor 1.5 and the bending soft angle displacement sensor 1.6 by using the data detection device during the use period, checks the holding power and the bending degree data of each expansion section 1.3, and is replaced in time when the anchor rod shell is damaged, after using up, when retrieving as required, put into expansion drill bit 5 from the centre bore, expansion drill bit 5 corotation in stock shell 1 breaks intraductal grout, the bottom concrete is clear away in the reversal after arriving stock shell 1 bottom, break the grout that the bottom was poured, then turn round recovery screw rod 3 to the end of screw thread tail section, strike downwards, use data detection device to detect pressure sensor 1.5 and crooked soft angular displacement sensor 1.6 on one side of strikeing, look over each section inflation section 1.3's bond strength and bending degree data, make the expanding structure resume straight again, extract the stock.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a recoverable reuse's multistage self-adaptation inflation stock which characterized in that: including anchor shell (1), anchor shell (1) is inside to be set up to hollow structure, pour into the concrete in anchor shell (1), anchor shell (1) sets up in the drilling of the soil body, anchor shell (1) includes a plurality of sections internal thread section (1.2) and a plurality of sections inflation section (1.3), be provided with one section inflation section (1.3) between two sections internal thread section (1.2), the both ends of anchor shell (1) all set up internal thread section (1.2), after anchor shell (1) installation entered the soil body, inflation section (1.3) outwards draw and stretch out and closely laminate with the soil body, with the soil body anchor.

2. A recyclable multi-segment adaptive expansion anchor according to claim 1 wherein: the anchor rod is characterized by further comprising a tension screw rod (2), the tension screw rod (2) is sleeved into the anchor rod shell (1) and is in threaded arrangement with the internal thread section (1.2), and the tension screw rod (2) is screwed up to stretch the expansion section (1.3) to expand outwards.

3. A recyclable multi-segment adaptive expansion anchor according to claim 2 wherein: the anchor rod is characterized by further comprising a recovery screw rod (3), the recovery screw rod (3) is sleeved into the anchor rod shell (1), the recovery screw rod (3) and the internal thread section (1.2) are in threaded arrangement, and the plurality of sections of the expansion sections (1.3) are stretched by inward thrust and are arranged in a shrinkage manner.

4. A recyclable multi-segment adaptive expansion anchor according to claim 2 wherein: the recovery screw rod (3) comprises a straight rod section (3.1), a thrust section (3.2) and a screwing ring (3.3), the screwing ring (3.3) is arranged at one end of the straight rod section (3.1), the thrust section (3.2) is arranged at the other end of the straight rod section (3.1), and the thrust section (3.2) is arranged to be of a thread structure.

5. A recyclable multi-segment adaptive expansion anchor according to claim 4 wherein: the expansion section (1.3) is arranged to be of an empty pipe structure, the side wall is provided with a plurality of grouting holes (1.4), and the grouting holes (1.4) are arranged to be of an oval structure.

6. A recyclable multi-segment adaptive expansion anchor according to claim 5 wherein: the outer part of the internal thread section (1.2) is set to be a closed structure, internal threads are arranged in the internal thread section, and the thickness of the internal thread section (1.2) is thicker than that of the expansion section (1.3).

7. A recyclable multi-segment adaptive expansion anchor according to claim 6 wherein: still including enlarging drill bit (5) and electric drill, enlarge drill bit (5) and be connected with the electric drill pivot, enlarge in drill bit (5) embolias stock shell (1) and rotatory crushed concrete setting, the concrete in the stock shell (1) is emptied.

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