CN216474987U

CN216474987U - Rock-soil anchoring protection mechanism

Info

Publication number: CN216474987U
Application number: CN202122787196.1U
Authority: CN
Inventors: 孔凡立
Original assignee: Quzhou Construction And Civil Air Defense Engineering Management Station
Current assignee: Quzhou Construction And Civil Air Defense Engineering Management Station
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-05-10
Anticipated expiration: 2031-11-15

Abstract

The utility model provides a rock-soil anchoring protection mechanism which comprises an external connection part exposed outside and a landfill part extending into rock-soil, wherein the landfill part comprises a shell-shaped main body, a disc and a plurality of expansion plates, the disc is rotatably mounted in the main body, the upper end surface of the disc is provided with a plane thread, the bottom surface of each expansion plate is provided with a thread surface matched with the plane thread, so that one end of each expansion plate is matched with the upper end surface of the disc through the thread surface, the other end of each expansion plate extends out of the side wall of the main body in a sliding fit manner, and all the expansion plates are arranged on the main body in an annular array manner. The utility model is convenient to use, has good anchoring firmness and is not easy to completely separate.

Description

Rock-soil anchoring protection mechanism

Technical Field

The utility model relates to the technical field of rock-soil anchoring of structures, in particular to a rock-soil anchoring protection mechanism.

Background

With the continuous deepening of the urbanization process, the deep foundation pit projects are increasingly increased, the rock-soil anchoring technology is used for realizing the stable protection of the structure, the general attention is paid to the stable protection of the structure, and the good application is obtained for the stable protection of the structure. To ground anchor protection, the ground stock will be set up at the certain degree of depth on ground layer, building structure is connected to one end, and the other end is embedded into ground or concrete foundation and is effectively anchored to play effects such as bearing structure pulling force or pressure, consolidate structure overall structure stability, prevent that it from taking place the slope, sliding, rocking etc. thereby realize the purpose of effective protection. Through the application of the rock-soil anchoring technology, the structure can be more stable, the dead weight of the structure is greatly reduced, and the saving of engineering materials is facilitated. At present, a plurality of rock-soil anchoring protection structures or anchoring methods exist, but most of the rock-soil anchoring protection structures are designed by aiming at the improvement of the anchoring structures, the anchoring structures are very complex, the rock-soil anchoring protection structures need to be installed and combined on site one by one, and the rock-soil anchoring protection structures are inconvenient to use; the existing anchoring protection structure with a simple structure can completely fall off easily due to slight softness and deformation of a concrete foundation or a rock stratum.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a rock-soil anchoring protection mechanism which can well solve the problems that the existing anchoring protection structure can completely fall off and the anchoring is unstable, has a simple and reliable structure, can be integrally transported to a site for direct installation, and can flexibly adjust the anchoring firmness.

The technical principle of the utility model is as follows: the utility model provides a ground anchor protection machanism, includes the external portion of exposing in the outside and stretches into the landfill portion in the ground, landfill portion includes main part, disc and a plurality of expansion plate of casing form install main part internal rotation ground the disc, the up end of this disc have plane screw thread, the bottom surface of expansion plate have with plane screw-thread fit's helicoid to make the one end of expansion plate pass through helicoid screw-thread fit is in the up end of disc, its other end sliding fit stretches out outside the lateral wall of main part, all expansion plates are ring array ground and set up in the main part.

Specifically, the direction from the end of the extension plate located inside the main body to the end outside the main body is the length direction thereof, the width in the length direction becomes wider gradually, and the end of the extension plate outside the main body has a triangular cutting edge. It is also possible to make the thickness of the expansion plate gradually thicker in the direction from one end to the other end within the main body at the time of manufacture.

In the structure, the main body is of a cylindrical structure, and the expansion plate is arranged along the radial direction of the main body in a sliding mode. And, the bottom end of the body integrally has a conical bit; preferably, the flutes of the drill head extend onto the cylindrical surface of the body.

The external part of the protection mechanism comprises an outer sleeve and a mandrel, wherein the bottom end of the outer sleeve is fixedly connected with the upper end surface of the main body, the mandrel is rotatably installed in the outer sleeve, and the bottom end of the mandrel is fixedly connected with the circle center of the disc. The top ends of the outer sleeve and the mandrel are respectively provided with a hexagonal step; the external connection part also comprises two rotating wheel parts which are respectively used for rotating the outer sleeve and the mandrel, and the bottom end of the bottom of each rotating wheel part is fixedly connected with a sleeve which is in sleeve joint with the step.

Further, the external connection portion may be as follows: the rotating wheel component comprises a rotating wheel component, two hexagonal prism-shaped sleeving holes which are arranged up and down are arranged in a sleeve at the bottom of the rotating wheel component, the lower sleeving holes are used for sleeving hexagonal steps at the top end of an outer sleeve, and the upper sleeving holes are used for sleeving hexagonal prism sections on the section of a mandrel exposed out of the outer sleeve. The outer sleeve is provided with a plurality of blind holes which are vertically arranged on the step surface, a round spring which can freely stretch and retract is vertically arranged in each blind hole, and the top end of the round spring can be in extrusion contact with the bottom end surface of the sleeve sleeved on the step.

Compared with the prior art, the utility model has the following beneficial effects: the utility model adopts the external connecting part to drive the main body to rotate and enter the rock-soil layer or the unset cast-in-place concrete, the main body is connected and driven by manpower or external power equipment to reach a certain depth, then the rotating mandrel drives the disc to rotate, all the expansion plates can be scattered and embedded into the rock-soil or the unset concrete foundation to form the anti-drop structure, so that the whole protection mechanism is difficult to be taken out of the rock-soil and firmly embedded into the rock-soil without separation, and the stability of a structure body connected with the external connecting part is ensured. In addition, this anchor protection machanism, the use of being installed and removed is convenient for, can direct integral erection in advance, transport to the building site after install can, to the anchor fastness, according to geological conditions and engineering needs, the length that the adjustment expansion plate stretches out can realize the regulation to the anchoring degree, it is very convenient to use.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partial configuration view when only one turning member is provided to the external connection portion.

In the above drawings: the drill bit comprises a main body 1, a disc 2, a telescopic plate 3, a cutting edge 4, an outer sleeve 5, a mandrel 6, a drill bit 7, a rotating wheel part 8, a sleeve 9, a step 10, a chip groove 11, a hexagonal prism section 12, a round spring 13 and a rock-soil layer 14.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments. One embodiment of the utility model specifically discloses a rock-soil anchoring protection mechanism, as shown in fig. 1, the structure of the rock-soil anchoring protection mechanism mainly comprises an external connection part exposed outside and a landfill part extending into the rock-soil, the landfill part comprises a shell-shaped main body 1, a disc 2 and a plurality of expansion plates 3, the main body 1 is in a cylindrical structure, the interior of the main body is hollow, namely a cylindrical cavity can be processed, and a conical drill bit 7 is integrally arranged at the bottom end of the main body 1. Preferably, the flutes 11 of this drill bit 7 extend onto the cylindrical surface of the body 1. The disc 2 is rotatably installed in the main body 1, the upper end face of the disc 2 is provided with a plane thread, the bottom surface of the expansion plate 3 is provided with a thread face matched with the plane thread, so that one end of the expansion plate 3 is matched with the upper end face of the disc 2 through the thread face, the other end of the expansion plate 3 extends out of the side wall of the main body 1 in a sliding fit mode, and all the expansion plates 3 are arranged on the main body 1 in an annular array mode. In practical application, as for the expansion plate 3, as shown in fig. 2, in practical manufacturing, the expansion plate 3 is a strip-shaped structure, the direction from one end of the expansion plate 3 located inside the main body 1 to one end of the expansion plate outside the main body 1 is the length direction of the expansion plate, the width of the expansion plate 3 in the length direction is gradually widened, and the end of the expansion plate 3 at one end outside the main body 1 is provided with a triangular cutting edge 4, so that the expansion plate 3 can be more rapidly inserted into rock soil. Meanwhile, in the present embodiment, the thickness of the expansion plate 3 becomes thicker gradually in the direction from one end to the other end within the body 1, so that the expansion plate 3 is more difficult to be pulled out from the rock and soil, and is more suitable for the rock and soil layer 14 with relatively soft texture.

As specific implementation details, the external part of the protection mechanism comprises an outer sleeve 5 and a mandrel 6, the mandrel 6 can rotate coaxially in the outer sleeve 5, the bottom end of the outer sleeve 5 is fixedly connected to the upper end face of the main body 1, the mandrel 6 can rotate on the main body 1 equivalently when being rotatably installed in the outer sleeve 5, and the bottom end of the mandrel 6 is fixedly connected to the circle center of the disc 2, so that the disc 2 can be driven to rotate in the main body 1. The top ends of the outer sleeve 5 and the mandrel 6 are respectively provided with a hexagonal step 10; the external portion still includes two runner parts 8 that are used for rotating outer tube 5 and dabber 6 respectively, the bottom rigid coupling of each runner part 8 bottom have one with step 10 cup joints the complex sleeve 9, the spanner of bolt that is similar to commonly used promptly, mainly can rotate outer tube 5 or dabber 6 can, for example can also set up interior hexagonal hole at sleeve 9 and dabber 6 lateral wall, directly pulls and rotate after inserting hexagonal hole with very long forcing rod.

In engineering practice, the driving force of the external connection part can be manual force, or can be other existing power equipment such as a motor, a fuel engine and the like, as long as the outer sleeve 5 is driven to rotate, the whole body 1 is guided by the drill bit 7, the drilling is quicker, when the drill bit is drilled to a proper position, the spindle 6 is driven to rotate by manpower or external power equipment, the disc 2 is rotated, because of the driving characteristics of the flat thread, all the telescopic plates 3 start to protrude outside the body 1, and are embedded in the surrounding rock, thereby embedding and fixing the bearing type ground in the rock soil, ensuring that the whole anchoring protection mechanism can not easily fall off from the rock soil, the connection between the external connection part and the structure can be designed according to the local conditions, the structure is connected with the components such as the outer sleeve 5, the anchoring protection for the structure can be formed, and the embodiment is not specifically described, and the person skilled in the art can design the anchoring protection adaptively. For the driving of the external connection, that is, the rotation driving of the external sleeve 5 and the mandrel 6, the engineer can adaptively select the driving structure and the driving power device, and the wheel component 8 in this embodiment is only used as an auxiliary component for rotation, or is used as a main driving device when the soft rock-soil layer 14 with low requirement on anchoring strength is used. Of course, the existing drilling machine can be used for pre-drilling the hole position or the corresponding foundation groove, when the concrete is poured, the anchoring protection mechanism is put in, the whole anchoring protection mechanism can be embedded into the concrete foundation by rotating the corresponding runner part 8 manually, anchoring and fixing are achieved, and the pre-cast concrete foundation mode is also one of the main modes in the existing anchoring.

In addition, the external connection portion may be designed as follows: as shown in fig. 3, only includes one rotor part 8, the sleeve 9 at the bottom of the rotor part 8 has two hexagonal prism-shaped socket holes arranged up and down, the upper socket hole is smaller than the lower socket hole, and in particular, in application, the lower socket hole is used for being sleeved on the hexagonal step 10 at the top end of the outer sleeve 5 to rotate the outer sleeve 5; the upper sleeving hole is sleeved on the hexagonal prism section 12 of the mandrel 6 exposed out of the outer sleeve 5 to rotate the mandrel 6, so that the disc 2 is driven to rotate, and the expansion plate 3 extends into a rock-soil layer 14 (or cast-in-place concrete). For convenience of use, the step 10 surface of the outer sleeve 5 is provided with a plurality of vertically arranged blind holes, each blind hole is internally and vertically provided with a freely telescopic round spring 13, and the top end of each round spring 13 can be in pressing contact with the bottom end surface of the sleeve 9 sleeved on the step 10. The design is that in order to be under the normal state, this runner part 8 is pushed up to the position of cover six prismatic section 12 by round spring 13 top, and installs on dabber 6, pushes down runner part 8 earlier when using, makes runner part 8 progressively overlap on outer tube 5, loosens the back, under the manpower assistance, runner part 8 can get back to on dabber 6 to rotate dabber 6.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. Ground anchor protection machanism, including the external portion of revealing and the landfill portion of stretching into in the ground, its characterized in that: the landfill portion includes casing form main part, disc and a plurality of expansion plate install main part internal rotation the disc, the up end of this disc has plane screw thread, the bottom surface of expansion plate have with plane screw thread fit's helicoid to make the one end of expansion plate pass through helicoid screw thread fit is in the up end of disc, its other end sliding fit stretches out outside the lateral wall of main part, all expansion plates are set up in the main part with cyclic annular array.

2. The geotechnical anchoring protection mechanism according to claim 1, characterized in that: the direction from one end of the telescopic plate positioned in the main body to one end of the telescopic plate positioned outside the main body is the length direction of the telescopic plate, the width of the telescopic plate in the length direction is gradually widened, and the end part of one end of the telescopic plate outside the main body is provided with a triangular cutting edge.

3. The geotechnical anchor protection mechanism according to claim 1 or 2, wherein: the thickness of the expansion plate becomes thicker gradually in a direction from one end toward the other end within the body.

4. The geotechnical anchoring protection mechanism according to claim 1, characterized in that: the main part is cylindric structure, the expansion plate sets up along the radial slip of main part.

5. The geotechnical anchor protection mechanism according to claim 4, wherein: the bottom end of the body integrally has a tapered drill bit.

6. The geotechnical anchor protection mechanism according to claim 5, wherein: the flutes of the drill extend onto the cylindrical surface of the body.

7. The geotechnical anchoring protection mechanism according to claim 1, characterized in that: the external portion includes outer tube and dabber, and outer tube bottom rigid coupling is in the up end of main part, the dabber is installed in the outer tube with rotating, the bottom of dabber with the centre of a circle department rigid coupling of disc.

8. The geotechnical anchor protection mechanism according to claim 7, wherein: the top ends of the outer sleeve and the mandrel are respectively provided with a hexagonal step; the external connection part also comprises two rotating wheel parts which are respectively used for rotating the outer sleeve and the mandrel, and the bottom end of the bottom of each rotating wheel part is fixedly connected with a sleeve which is in sleeve joint with the step.

9. The geotechnical anchor protection mechanism according to claim 7, wherein: the external portion comprises a rotating wheel part, two hexagonal prism-shaped sleeving holes which are arranged up and down are formed in a sleeve at the bottom of the rotating wheel part, the lower sleeving holes are used for sleeving the hexagonal steps at the top end of the outer sleeve, and the upper sleeving holes are used for sleeving the hexagonal prism sections of the mandrel exposed out of the outer sleeve.

10. The geotechnical anchor protection mechanism according to claim 9, wherein: the step surface of the outer sleeve is provided with a plurality of vertically arranged blind holes, a round spring capable of freely stretching and retracting is vertically arranged in each blind hole, and the top end of the round spring can be in extrusion contact with the bottom end surface of the sleeve sleeved on the step.