Urban Landslide Resilient Energy Dissipation Protection Device under the Impact of Breached Flood

Abstract

The present invention discloses a resilient energy dissipation protection device for urban landslides under the impact of breached floodwaters, including a positioning frame and a resilient energy dissipation device. The mountain slope is pre-measured through the positioning frame, and drilling for installation holes is carried out in the intersection area of the positioning frame. The resilient energy dissipation device, which is arranged in the installation hole area, is used to resiliently pull the mountain slope structure in a double-cone shape. Moreover, the resilient energy dissipation device includes a locking section placed at the bottom area of the installation hole and a resilient anchor rod assembled on the locking section.

Description

Technical Field

[0001] The present invention relates to the technical field of mountain slope protection, and specifically to a resilient energy dissipation protection device for urban mountain landslides under the impact of breached flood Background Art

[0002] Sudden flood shock waves come in the form of floods. Floods not only have huge kinetic energy but also a large volume. When the flood flows and collides with the mountain slope of the urban mountain, the flood will flow randomly and impact the slope in an irregular direction, causing the soil or rock mass of the mountain slope to slide along the continuous shear plane under continuous impact, resulting in landslides.

[0003] Therefore, those skilled in the art have provided a resilient energy dissipation protection device for urban mountain landslides under the impact of breached flood to solve the problems raised in the above background art. Summary of the Invention

[0004] To achieve the above object, the present invention provides the following technical solution: a resilient energy dissipation protection device for urban mountain landslides under the impact of breached flood, including a positioning frame and a resilient energy dissipation device. The mountain slope is pre-measured through the positioning frame, and drilling is carried out in the intersection area of the positioning frame. The resilient energy dissipation device for double-cone resiliently pulling the mountain body structure of the slope is installed in the installation drilling area, and the resilient energy dissipation device includes a locking section placed at the bottom area of the installation drilling and a resilient anchor bolt assembled on the locking section.

[0005] Among them, the locking section includes:

[0006] Three locking discs are coaxially arranged, and one group of locking discs close to the installation drilling is set as a locking stop disc. The locking stop disc is provided with circumferentially distributed orientation holes two, and the remaining locking discs are provided with circumferentially distributed orientation holes one, and the aperture of the orientation hole one is larger than the aperture of the orientation hole two;

[0007] A connecting plate for connecting and fixing multiple groups of the locking discs; and

[0008] Resilient locking caps are respectively fixed on the shaft parts of the locking discs on the side close to the hole mouth and the bottom of the installation drilling.

[0009] Among them, the resilient anchor bolt sequentially passes through the orientation hole one and the orientation hole two from the outside to the inside in a staggered manner.

[0010] Among them, there is also a grouting pipe extending into the installation drilling and passing through the resilient locking cap and the locking disc. The pipe wall of the grouting pipe in the locking section area is provided with material passing holes, and a sealing section is also provided at the hole mouth of the installation drilling.

[0011] Among them, the resilient anchor bolt includes:

[0012] Anchor bolt;

[0013] Energy dissipation connecting piece, used for connecting and fixing between adjacent said anchor bolts;

[0014] Tail fixing section of the anchor, connected to the tails of the outermost group of said anchor bolts;

[0015] Head fixing section of the anchor, connected to the heads of the innermost group of said anchor bolts; and

[0016] Locking cylinder part, arranged on a group of said anchor bolts used for fixing with the locking section.

[0017] Wherein, the locking cylinder part includes:

[0018] First locking sleeve, fixed on the outer wall of the anchor bolt;

[0019] Tensioning cylinder, sleeved outside the anchor bolt and connected and fixed to the first locking sleeve, and circumferentially distributed slot cavities are arranged on the cylinder wall of the tensioning cylinder, so that a partial cylinder wall of the tensioning cylinder forms strip arc pieces, and locking wedge cavities are arranged on the inner arc wall surfaces of each group of said strip arc pieces; and

[0020] Top cylinder, nested in the annular cavity between the tensioning cylinder and the anchor bolt, with locking convex ribs fixed on its outer cylinder wall for cooperation with the locking wedge cavity, and an adhesive retaining ring is fixedly sleeved on the end head of the top cylinder exposed outside the tensioning cylinder, and the aperture of the second orientation hole ≤ the maximum diameter of the adhesive retaining ring = the maximum diameter of the tensioning cylinder < the aperture of the first orientation hole.

[0021] Wherein, the locking wedge cavity includes axially distributed first wedge grooves and second wedge grooves, the locking wedge cavity includes axially distributed first convex ribs and second convex ribs, the first convex rib is fitted and engaged with the first wedge groove, and the second convex rib is fitted and engaged with the second wedge groove.

[0022] Wherein, the energy dissipation connecting piece includes:

[0023] Connecting cylinder, with cross-shaped distributed strip sliding grooves arranged on its inner cylinder wall;

[0024] Cross-shaped cylinder frame, with three groups, one group of said cross-shaped cylinder frames is fixed in the middle of the strip sliding groove, the remaining two groups of said cross-shaped cylinder frames are respectively slidably connected at positions close to both ends of the strip sliding groove, and adjacent said cross-shaped cylinder frames are connected by energy dissipation springs;

[0025] First telescopic tension cylinder, respectively connected to the outer end heads of the cross-shaped cylinder frames at both ends, and an auxiliary support sliding cylinder is also connected and fixed to the outer end head of the first telescopic tension cylinder, and both the auxiliary support sliding cylinder and the first telescopic tension cylinder are tightly and slidably connected to the inner cylinder wall of the connecting cylinder;

[0026] Second locking sleeve, one end of which is fixed to the end of the anchor bolt, and the other end is embedded in the auxiliary support sliding cylinder for connecting and fixing;

[0027] A sealed telescopic sleeve for the sealed connection between the second locking sleeve and the connecting cylinder.

[0028] Among them, the cross-shaped cylinder frame includes a cross-shaped I-shaped disc frame slidably connected to the strip chute, and both ends of the cross-shaped I-shaped disc frame are connected with second negative pressure telescopic cylinders.

[0029] Compared with the prior art, the present invention provides a resilient energy dissipation protection device for urban landslides under the impact of breached floodwaters, having the following beneficial effects.

[0030] In the present invention, through the structural design of the locking section, after the resilient anchor rod is fixed in cooperation with the locking section, a two-way conical locking area is formed inside the mountain body, thereby counteracting the complex and relatively regular pulling forces in multiple directions on the mountain slope, and then dissipating and offsetting the forces received by the mountain slope, and ensuring the connection strength between the mountain slope and the inside of the mountain body. Among them, the structural design of the energy dissipation connection component in the resilient anchor rod enables the resilient anchor rod to initially have and strengthen the pulling connection strength with the mountain body, and better compensate for and counteract the internal stress of the mountain body. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 Schematic structural diagram of the landslide resilient energy dissipation protection device of the present invention;

[0032] Figure 2 Front view structural diagram of the resilient energy dissipation device of the present invention;

[0033] Figure 3 Enlarged partial front view structural diagram of the resilient energy dissipation device of the present invention;

[0034] Figure 4 Side view structural diagram of the resilient energy dissipation device of the present invention;

[0035] Figure 5 Enlarged partial side view structural diagram of the resilient energy dissipation device of the present invention;

[0036] Figure 6 Partial structural diagram of the locking cylinder part of the present invention;

[0037] Figure 7 Enlarged partial cross-sectional structural diagram of the energy dissipation connection component of the present invention;

[0038] Figure 8 Enlarged partial cross-sectional structural diagram of the locking cylinder part of the present invention;

[0039] In the figure, 1 is a positioning frame; 2 is a ductile energy dissipation device; 3 is a locking cylinder part; 4 is an anchor head fixing section; 5 is an anchor tail fixing section; 6 is an energy dissipation connecting part; 7 is a bolt; 11 is an installation borehole; 21 is a locking section; 22 is a ductile bolt; 23 is a grouting pipe; 24 is a sealing section; 211 is a locking plate; 212 is a connecting plate; 213 is a ductile locking cap; 214 is a first orientation hole; 215 is a second orientation hole; 231 is a material passing hole; 31 is a first locking sleeve; 32 is a tensioning cylinder; 33 is a top cylinder; 321 is a slotted cavity; 322 is a locking wedge cavity; 3221 is a first wedge groove; 3222 is a second wedge groove; 331 is an adhesive retaining ring; 332 is a locking rib; 3321 is a first rib; 3322 is a second rib; 61 is a connecting cylinder; 62 is a second locking sleeve; 63 is a sealing expansion sleeve; 64 is an auxiliary support sliding cylinder; 65 is a first expansion tension cylinder; 66 is a cross cylinder frame; 67 is an energy dissipation spring; 611 is a strip chute; 661 is a cross-shaped I-shaped disc frame; 662 is a second negative pressure expansion cylinder. Detailed implementation mode

[0040] Refer to Figure 1-8 , the present invention provides a technical solution, a ductile energy dissipation protection device for urban mountain landslides under the impact of breached flood, including a positioning frame 1 and a ductile energy dissipation device 2. The mountain slope is pre-measured through the positioning frame 1, and an installation borehole 11 is drilled in the intersection area of the positioning frame 1. The ductile energy dissipation device 2 for double-cone ductilely pulling the mountain body structure of the slope is installed in the installation borehole 11 area, and the ductile energy dissipation device 2 includes a locking section 21 placed at the bottom area of the installation borehole 11 and a ductile bolt 22 assembled on the locking section 21.

[0041] In this embodiment, the locking section 21 includes:

[0042] The locking plates 211 are coaxially arranged in three groups, and one group of the locking plates 211 close to the installation borehole 11 is set as a locking retaining plate. The locking retaining plate is provided with circumferentially distributed second orientation holes 215, and the remaining locking plates 211 are provided with circumferentially distributed first orientation holes 214, and the aperture of the first orientation hole 214 is larger than the aperture of the second orientation hole 215; the connecting plate 212 is used to connect and fix multiple groups of the locking plates 211; and the ductile locking caps 213 are respectively fixed on the shaft parts of the locking plates 211 on the side close to the orifice and the bottom of the installation borehole 11. Among them, the locking plates are arranged at the deep and solid rock strata, serving as the stress concentration points of the ductile energy dissipation device, cooperating with the ductile bolts to form a two-way conical locking area, so as to dissipate the complex and relatively regular pulling forces on the mountain slope in multiple directions, and further dissipate and offset the forces received by the mountain slope, and ensure the connection strength between the mountain slope and the mountain interior.

[0043] In this embodiment, the resilient anchor rod 22 is successively and staggeredly arranged through the first orientation hole 214 and the second orientation hole 215 from outside to inside;

[0044] Referring to Figure 1-6 , preferably, in this embodiment, the circumferential distribution number of the first orientation hole and the second orientation hole is six groups, and the axial directions of the first orientation hole and the second orientation hole are such that the resilient anchor rod presents an unfolded inclined direction; in addition, the first orientation hole and the second orientation hole that are staggeredly connected are drilled to form an anchor rod hole for assembling the resilient anchor rod in the direction of their axial directions.

[0045] In the above embodiment, there is also a grouting pipe 23 that extends into the installation borehole 11 and penetrates through the resilient locking cap and the locking disc, and a material passing hole 231 is provided on the wall of the grouting pipe 23 in the area of the locking section 21, and a sealing section 24 is also provided at the orifice of the installation borehole 11 to lock the locking section and ensure the fixing strength of the locking section.

[0046] In this embodiment, the resilient anchor rod 22 includes:

[0047] An anchor rod 7;

[0048] An energy dissipation connecting piece 6, used for connecting and fixing adjacent anchor rods 7, and serving as compensation and reset of the displacement amount of the anchor rod, thereby strongly fixing the mountain slope with high toughness;

[0049] An anchor tail fixing section 5, connected to the tail of the outermost group of anchor rods 7, for fixing the tail of the anchor rod;

[0050] An anchor head fixing section 4, connected to the head of the innermost group of anchor rods 7, for guiding and fixing the forward movement of the anchor rod; and

[0051] A locking cylinder member 3, arranged on a group of anchor rods 7 used for fixing with the locking section 21, for and facilitating locking and fastening with the locking section.

[0052] In the above embodiment, the locking cylinder member 3 includes: a first locking sleeve 31, fixed on the outer wall of the anchor rod; a tensioning cylinder 32, sleeved on the outside of the anchor rod and connected and fixed to the first locking sleeve 31, and a circumferentially distributed slit cavity 321 is provided on the cylinder wall of the tensioning cylinder 32, so that a partial cylinder wall of the tensioning cylinder 32 forms a strip arc piece, and a locking wedge cavity 322 is provided on the inner arc wall surface of each strip arc piece; and a top cylinder 33, nested in the annular cavity between the tensioning cylinder 32 and the anchor rod, a locking rib 332 that cooperates with the locking wedge cavity 322 is fixed on its outer cylinder wall, and an adhesive retaining ring 331 is fixedly sleeved on the end of the top cylinder 33 exposed outside the tensioning cylinder 32, and the aperture of the second orientation hole 215 ≤ the maximum diameter of the adhesive retaining ring 331 = the maximum diameter of the tensioning cylinder 32 < the aperture of the first orientation hole 214;

[0053] That is to say, after the installation drilling and bolt hole drilling are completed, according to the position of the locking section, the bolt is gradually assembled into a bolt frame and embedded in the bolt hole. When calculating that the bolt frame is completely embedded in the bolt hole, the Nth group of bolts penetrates and stays at the locking section, and the locking cylinder part is pre-locked on the Nth group of bolts; specifically, when the locking cylinder part reaches and penetrates the locking section until the bonding retaining ring is blocked on the surface of the second positioning hole. At this time, the bolt frame is driven again to be embedded in the bolt hole, and the locking ribs outside the tensioning cylinder are pushed against the locking wedge groove, and the top-expanding strip arc piece is locked with the first orientation hole.

[0054] Wherein, the locking wedge cavity 322 includes a first wedge groove 3221 and a second wedge groove 3222 distributed axially. The locking wedge cavity 322 includes a first rib 3321 and a second rib 3322 distributed axially. The first rib 3321 is fitted with the first wedge groove 3221, and the second rib 3322 is fitted with the second wedge groove 3222; in addition, locking stripes are respectively provided on the surfaces of the first wedge groove 3221, the second wedge groove 3222, the first rib 3321, and the second rib 3322 to improve the fitting strength between the first rib 3321 and the first wedge groove 3221, and the second rib 3322 is firmly fitted with the second wedge groove 3222.

[0055] In the above embodiment, the energy dissipation connection part 6 includes: a connection cylinder 61, in which a cross-shaped distribution of strip chutes 611 is provided on its inner cylinder wall; a cross cylinder frame 66, with three groups, one group of the cross cylinder frames 66 is fixed in the middle of the strip chute 611, and the remaining two groups of the cross cylinder frames 66 are respectively slidably connected at both ends close to the strip chute 611, and adjacent cross cylinder frames 66 are connected by an energy dissipation spring 67; a first telescopic tension cylinder 65, which is respectively connected to the outer ends of the cross cylinder frames 66 at both ends, and a support sliding cylinder 64 is also fixedly connected to the outer end of the first telescopic tension cylinder 65, and both the support sliding cylinder 64 and the first telescopic tension cylinder 65 are tightly fitted and slidably connected to the inner cylinder wall of the connection cylinder 61; a locking sleeve two 62, one end of which is fixed to the end of the bolt, and the other end is embedded in the support sliding cylinder 64 for connection and fixation; and a sealing telescopic sleeve 63 for sealing connection between the locking sleeve two 62 and the connection cylinder 61;

[0056] Wherein, the length regions where the first telescopic tension cylinder, the energy dissipation spring, and the sealing telescopic sleeve are located are used as the energy resistance or compensation for the bolt frame to resist the mountain stress, so as to ensure the pulling and fixing strength of the mountain and the protection of the structure of the bolt frame itself.

[0057] Furthermore, the cross cylinder frame 66 includes a cross-shaped I-shaped disc frame 661 slidably connected to the strip chute. The two ends of the cross-shaped I-shaped disc frame 661 are connected with a second negative pressure telescopic cylinder 662, so that when the bolt frame is initial, there is a stress tendency to contract and fix the mountain, further improving the mountain connection strength.

[0058] In specific implementation, the hard rock formations in the required mountain body are explored, monitored and positioned. One by one, installation drill holes are opened through the positioning frame. The intersection points of the axes of the misaligned combination of the first directional hole and the second directional hole with the surface of the mountain slope are determined, and bolt holes are drilled. Then, the Nth group of bolts on which the locking cylinder part needs to be fixed is calculated. After completion, the locking section is assisted to reach the preset position point through the grouting pipe, and then the bolts are gradually assembled and inserted into the bolt holes until the locking cylinder part is locked with the locking section. Then, grouting and locking are carried out, and the installation drill holes are sealed by the sealing section.

[0059] The above is only a preferred specific implementation manner of the invention, but the protection scope of the invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the invention, according to the technical solution of the invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the invention.

Claims

1. A resilient energy dissipation protection device for urban landslides under the impact of breached floodwaters, comprising a positioning frame (1) and a resilient energy dissipation device (2). The mountain slope is pre-measured through the positioning frame (1), and drilling holes (11) are drilled in the intersection area of the positioning frame (1). It is characterized in that, A ductility energy dissipation device (2) for double-cone ductility pulling of the slope mountain body structure is installed in the area of the installation borehole (11), and the ductility energy dissipation device (2) includes a locking section (21) placed at the bottom area of the installation borehole (11) and a ductility anchor rod (22) assembled on the locking section (21); The locking section (21) includes: Locking disks (211), configured in three groups coaxially, and one group of the locking disks (211) close to the installation borehole (11) side is set as a locking stop disk; Connecting plates (212), used to connect and fix multiple groups of the locking disks (211); Ductility locking caps (213), respectively fixed on the shaft parts of the locking disks (211) on the side close to the orifice and the bottom of the installation borehole (11); Orientation holes one (214), circumferentially distributed above the locking disks (211); Orientation holes two (215), circumferentially distributed and opened on the locking stop disk, and the aperture of the orientation holes two (215) is smaller than the aperture of the orientation holes one (214); The ductility anchor rod (22) includes: Anchor rods (7); Energy dissipation connecting pieces (6), used for connection and fixation between adjacent anchor rods (7); Anchor tail fixing sections (5), connected to the tails of the outermost group of anchor rods (7); Anchor head fixing sections (4), connected to the heads of the innermost group of anchor rods (7); and Locking cylinder parts (3), arranged on one group of anchor rods (7) used for fixing with the locking section (21).

2. The town mountain landslide ductile energy dissipation protection device under the impact of breached flood according to claim 1, characterized in that, The ductility anchor rod (22) sequentially passes through the orientation holes one (214) and the orientation holes two (215) from outside to inside in a staggered manner.

3. The urban mountain landslide resilience energy dissipation protection device under the impact of breached flood according to claim 1, characterized in that, It further includes a grouting pipe (23) extending into the installation borehole (11) and passing through the ductility locking cap and the locking disk, and a material passing hole (231) is opened on the pipe wall of the grouting pipe (23) in the area of the locking section (21), and a sealing section (24) is also provided at the orifice of the installation borehole (11).

4. The town mountain landslide resilient energy dissipation protection device under the impact of breached flood according to claim 1, characterized in that, The locking cylinder part (3) includes: Locking sleeve one (31), fixed on the outer wall of the anchor rod; Tensioning cylinder (32), sleeved on the outside of the anchor rod and connected and fixed to the locking sleeve one (31), and circumferentially distributed slit cavities (321) are opened on the cylinder wall of the tensioning cylinder (32), so that a partial cylinder wall of the tensioning cylinder (32) forms strip arc pieces, and locking wedge cavities (322) are opened on the inner arc wall surfaces of each group of strip arc pieces; and Top cylinder (33), nested in the annular cavity between the tensioning cylinder (32) and the anchor rod, a locking rib (332) matched with the locking wedge cavity (322) is fixed on its outer cylinder wall, and an adhesive retaining ring (331) is fixedly sleeved on the end of the top cylinder (33) exposed outside the tensioning cylinder (32), and the aperture of the orientation holes two (215) ≤ the maximum diameter of the adhesive retaining ring (331) = the maximum diameter of the tensioning cylinder (32) < the aperture of the orientation holes one (214).

5. The town mountain landslide resilience energy dissipation protection device under the impact of breached flood according to claim 4, characterized in that, The locking wedge cavity (322) includes a first wedge groove (3221) and a second wedge groove (3222) axially distributed. The locking wedge cavity (322) includes a first rib (3321) and a second rib (3322) axially distributed. The first rib (3321) is fitted and engaged with the first wedge groove (3221), and the second rib (3322) is fitted and engaged with the second wedge groove (3222).

6. The town mountain landslide resilience energy dissipation protection device under the impact of breached flood according to claim 1, characterized in that, The energy dissipation connecting member (6) includes: A connecting cylinder (61), with cross-shaped distributed strip sliding grooves (611) opened on its inner cylinder wall; Three cross-shaped cylinder frames (66). One group of the cross-shaped cylinder frames (66) is fixed in the middle of the strip sliding groove (611), and the remaining two groups of the cross-shaped cylinder frames (66) are respectively slidably connected at the two ends close to the strip sliding groove (611), and adjacent cross-shaped cylinder frames (66) are connected by energy dissipation springs (67); First telescopic tension cylinders (65) are respectively connected to the outer ends of the cross-shaped cylinder frames (66) at both ends. The outer end of the first telescopic tension cylinder (65) is also fixedly connected with an auxiliary support sliding cylinder (64), and both the auxiliary support sliding cylinder (64) and the first telescopic tension cylinder (65) are tightly fitted and slidably connected to the inner cylinder wall of the connecting cylinder (61); A second locking sleeve (62), one end of which is fixed to the end of the anchor rod, and the other end is embedded and fixedly connected in the auxiliary support sliding cylinder (64); and A sealing telescopic sleeve (63) for the sealing connection between the second locking sleeve (62) and the connecting cylinder (61).

7. The town mountain landslide resilience energy dissipation protection device under the impact of breached flood according to claim 6, characterized in that, The cross-shaped cylinder frame (66) includes a cross-shaped I-shaped disc frame (661) slidably connected to the strip sliding groove, and second negative pressure telescopic cylinders (662) are connected to both ends of the cross-shaped I-shaped disc frame (661).

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