Slope fill slope multi-row stepped anti-slide pile

Abstract

The invention relates to the technical field of slope protection, and discloses a slope fill slope multi-row stepped anti-slide pile which comprises a front-row pile, a cross beam is fixedly connected to one side of the front-row pile, a rear-row pile is fixedly connected to the end, away from the front-row pile, of the cross beam, and a traction device is arranged on the surface of the rear-row pile. The traction device comprises a first supporting block and a positioning plate, the first supporting block is fixedly connected with the side, close to the cross beam, of the front-row pile, and the inner wall of the first supporting block is rotationally connected with a first guide wheel. The front-row piles and the rear-row piles are rigidly connected through the cross beams, a stepped anti-sliding system of front-row sliding resistance and rear-row traction is formed, compared with single-row piles, the slope sliding force can be dispersed to multiple rows of pile bodies, and the front-row piles and the rear-row piles are elastically connected through the traction devices through the steel wire ropes; the tension of the steel wire rope can adjust the stress of the pile body in real time, overload damage of a single pile is avoided, and the dynamic anti-sliding requirement of the high-fill slope is met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of slope protection, in particular to a multi-row ladder type anti-slide pile for slope filling side slope. BACKGROUND

[0002] The slope filling side slope refers to an engineering structure with an inclined slope surface formed by artificial backfilling of earth and stone on a slope terrain. The background for forming the slope filling side slope is often the construction of roads, building sites and the like. In order to fill the low-lying areas or to level the site, earth is filled in the low-lying areas of the slope, thus forming the side slope. The characteristics of this kind of side slope are that the soil is artificially accumulated, and the compactness and uniformity are greatly affected by the construction quality. If the filling material is not properly selected (such as containing silt and organic matter), or the compaction is insufficient or the slope is too steep, hidden dangers such as settlement and landslide may occur.

[0003] At present, anti-slide piles are often used for protection on most slopes. However, single-row piles directly bear the sliding force of the side slope, which is prone to tilting and misalignment, affecting the stability of the slope and posing certain safety hazards. Therefore, a multi-row ladder type anti-slide pile for slope filling side slope is proposed. SUMMARY

[0004] (I) Technical problems solved In view of the deficiencies of the prior art, the present application provides a multi-row ladder type anti-slide pile for slope filling side slope, which solves the problem that the existing anti-slide piles are often used for protection on most slopes, but single-row piles directly bear the sliding force of the side slope, which is prone to tilting and misalignment, affecting the stability of the slope and posing certain safety hazards.

[0005] (II) Technical solutions In order to achieve the above object, the present application is realized by the following technical scheme: A kind of slope filling side slope multi-row ladder type anti-slide pile, including front row pile, the side of the front row pile is fixedly connected with crossbeam, the end of the crossbeam away from the front row pile is fixedly connected with rear row pile, the surface of the rear row pile is provided with pulling device, the pulling device includes first support block and locating plate, the side of the first support block close to the front row pile is fixedly connected with, the inner wall of the first support block is rotatably connected with first guide pulley, the recess of the first guide pulley is installed with steel wire rope, the side of the front row pile away from the rear row pile is fixedly connected with second support block, the inner wall of the second support block is rotatably connected with second guide pulley, the steel wire rope is inserted into the recess of second guide pulley, the number of the locating plate is two, the side of two locating plates close to each other is rotatably connected with two symmetrically arranged third guide pulleys, the steel wire rope passes through two third guide pulleys, the surface of the locating plate is provided with insertion hole, the insertion hole is inserted with insertion rod, the upper end of the insertion rod is fixedly connected with pressing block, front row pile and rear row pile are rigidly connected by crossbeam, form " front row slide resistance + rear row pulling " ladder type anti-slide system, compared with single row pile, slope sliding force can be dispersed to multiple piles, pulling device forms elastic connection by steel wire rope when front and rear row pile, when the slope occurs slight displacement, the tension of steel wire rope can adjust pile stress in real time, avoid single pile overload damage, suitable for the dynamic anti-sliding demand of high fill slope.

[0006] Preferably, the side of the insertion rod is fixedly connected with the anti-loosening tooth, the surface of the locating plate is provided with the locating hole, the locating hole is communicated with the insertion hole, the anti-loosening tooth is matched with the locating hole, the steel wire rope is wound around the first guide pulley, the second guide pulley and the third guide pulley between the locating plate, forming closed pulling loop, pulling the locating plate, make the steel wire rope tight, adjust the tension direction through the third guide pulley, ensure that the steel wire rope generates horizontal pulling stress on the front and rear row pile, insert the insertion rod into the insertion hole of the locating plate.

[0007] Preferably, the longitudinal section of the anti-loosening tooth is triangular, the engagement of the triangular anti-loosening tooth and the locating hole is utilized, and the insertion rod is inserted into the slope to fix the position of the locating plate, preventing the steel wire rope from relaxing.

[0008] Preferably, the front row pile is provided with a stabilizing device, the stabilizing device includes a sliding sleeve, the sliding sleeve is slidably connected with the surface of the front row pile, the two sides of the sliding sleeve are fixedly connected with a support rod, the end of the support rod away from the sliding sleeve is fixedly connected with a pre-buried plate, the surface of the crossbeam is provided with a mounting groove, the mounting groove is inserted with a stabilizing plate, the two sides of the stabilizing plate and the pre-buried plate are fixedly connected with two symmetrically distributed locating rods, and the locating rods on the stabilizing plate and the pre-buried plate are sleeved with a pull rod, the backfill pressure is transmitted to the crossbeam and the front row pile through the pre-buried plate and the stabilizing plate, and then dispersed to the deep soil body through the supporting device of the steel wire rope and the rear row pile, forming multi-row pile cooperative anti-slide, effectively protecting the slope.

[0009] Preferably, one end surface of the positioning rod is provided with threads, a bolt is threadedly connected to the positioning rod, and the bolt is fixed to the positioning rod by welding, the sleeve is sleeved on the surface of the front row pile, the embedded plate is connected by the support rod, the embedded plate is embedded into the slope body in front of the front row pile, the stabilizing plate is inserted into the mounting groove of the cross beam, and the stabilizing plate is connected to the embedded plate through the positioning rod and the pull rod to form a pulling structure of "embedded plate-pull rod-stabilizing plate", the bolt on the positioning rod is tightened, the relative position of the stabilizing plate and the embedded plate is fixed, the stabilizing plate is inclined forward, and the pressure distribution after the slope backfilling is adapted.

[0010] Preferably, the upper surface of the cross beam is fixedly connected with a protection frame, the longitudinal section of the protection frame is in the shape of "n", and the protection frame is buckled on the stabilizing plate, so that the protection frame is effectively positioned, the rock-soil backfilling is performed on the area in front of the front row pile, the backfilling object is pressed on the positioning plate, the pressing block and the embedded plate, the positioning plate and the pressing block resist the lateral pressure of the backfilling soil through the tension of the steel wire rope, the embedded plate pulls the stabilizing plate through the pull rod, so that the stabilizing plate and the cross beam form a triangular support, the anti-sliding capacity of the front row pile is enhanced, the protection frame cooperates with the blocking strip to prevent the stabilizing plate from being displaced under the backfilling pressure, and the connection stability of the cross beam and the front row pile is ensured.

[0011] Preferably, the upper surface of the stabilizing plate is fixedly connected with a blocking strip, the blocking strip abuts against one side of the protection frame, the position of the stabilizing plate is effectively limited, and the assembly of the stabilizing plate is facilitated.

[0012] Preferably, the surface of the rear row pile is provided with a support device, the support device comprises a pouring groove, the pouring groove is formed in the upper surface of the rear row pile, the side of the rear row pile away from the front row pile is provided with a guide hole, the guide hole is in communication with the pouring groove, the inner wall of the pouring groove is slidably connected with a pressing plate, the inner wall of the pressing plate is rotatably connected with a first supporting plate, one end of the first supporting plate away from the pressing plate is rotatably connected with a second supporting plate, the second supporting plate is rotatably connected with the inner wall of the pouring groove, and the rear row pile is provided with a mounting cap.

[0013] Preferably, the first support plate and the second support plate are matched with the guide hole, the first support plate and the second support plate are fixedly connected with the soil breaking block away from the side of the front row of piles, the installation cap of the pouring groove is opened, the cement mortar is injected into the groove, the external telescopic rod is inserted into the positioning cylinder, the pressing plate is pressed downward, the first support plate and the second support plate are driven to rotate around the hinge point, the first support plate and the second support plate penetrate through the guide hole of the rear row of piles and extend into the slope soil layer, the soil breaking block assists the support plate to cut into the soil layer, when the support plate rotates to the horizontal state, the limiting rod is inserted into the limiting groove, the position of the pressing plate is fixed, the cement mortar is continuously injected into the pouring groove, the cement mortar fills the gap formed by the rotation of the support plate through the guide hole, the first support plate and the second support plate are wrapped, and after the cement mortar is solidified, the support plate and the rear row of piles form a rigid support structure.

[0014] Preferably, the upper surface of the pressing plate is fixedly connected with the positioning cylinder, the lower surface of the pressing plate is fixedly connected with the limiting rod, and the inner bottom wall of the pouring groove is provided with a limiting groove matched with the limiting rod.

[0015] In summary, the technical effects and advantages of the present application are as follows: 1. In the present application, the front row of piles and the rear row of piles are rigidly connected through the cross beam to form a stepped anti-slide system of "front row of piles resisting sliding + rear row of piles pulling", compared with a single row of piles, the slope sliding force can be dispersed to multiple rows of piles, the pulling device forms an elastic connection between the front row of piles and the rear row of piles through the steel wire rope, when the slope has a small displacement, the tension of the steel wire rope can adjust the stress of the pile body in real time, avoiding overload damage of a single pile, and the present application is suitable for dynamic anti-slide requirements of high fill slope.

[0016] 2. In the present application, the backfill pressure is transmitted to the cross beam and the front row of piles through the pre-embedded plate and the stabilizing plate, and then dispersed to the deep soil body through the support device of the steel wire rope and the rear row of piles, forming a multi-row pile cooperative anti-slide, effectively protecting the slope.

[0017] 3. In the present application, the first support plate and the second support plate in the support device of the rear row of piles can be rotated and expanded, and after the cement mortar is solidified, a composite structure of "flexible expansion + rigid support" is formed, which can adapt to the initial deformation of the slope and provide long-term rigid support. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic diagram of the present application of the multi-row stepped anti-slide pile of slope fill slope; Figure 2 It is a structure schematic diagram of the present application of the multi-row stepped anti-slide pile of slope fill slope; Figure 1 Figure 3 It is a side view structure schematic diagram of the present application of the multi-row stepped anti-slide pile of slope fill slope; Figure 4 It is an explosion structure schematic diagram of the present application of the multi-row stepped anti-slide pile of slope fill slope;​ Figure 5 Figure 1 is a structural schematic diagram of the present application of a multi-row ladder type anti-slide pile in a slope filling side slope; Figure 4 Figure 2 is a structural schematic diagram of the present application of a multi-row ladder type anti-slide pile in a slope filling side slope at B; Figure 6 Figure 3 is an exploded structural schematic diagram of the present application of a multi-row ladder type anti-slide pile in a slope filling side slope; Figure 7 Figure 4 is a sectional structural schematic diagram of the present application of a multi-row ladder type anti-slide pile in a slope filling side slope; Figure 8 Figure 5 is a partial structural schematic diagram of the present application of a multi-row ladder type anti-slide pile in a slope filling side slope; Figure 7 Figure 6 is a partial structural schematic diagram of the present application of a multi-row ladder type anti-slide pile in a slope filling side slope.

[0019] In the figure: 1, front row pile; 2, cross beam; 3, rear row pile; 4, pulling device; 41, first supporting block; 42, first guide wheel; 43, steel wire rope; 44, second supporting block; 45, second guide wheel; 46, third guide wheel; 47, positioning plate; 48, insertion rod; 49, pressing block; 410, anti-falling tooth; 411, insertion hole; 412, positioning hole; 5, stabilizing device; 51, mounting groove; 52, protection frame; 53, stabilizing plate; 54, blocking bar; 55, pre-buried plate; 56, supporting rod; 57, sliding sleeve; 58, pull rod; 59, positioning rod; 510, bolt; 6, supporting device; 61, mounting cap; 62, pouring groove; 63, guide hole; 64, limiting groove; 65, pressing plate; 66, positioning cylinder; 67, limiting rod; 68, first supporting plate; 69, second supporting plate; 610, soil breaking block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Reference Figures 1-8The illustrated one kind slope fills the side slope multiple-row ladder type anti-slide pile, including front row pile 1, one side of front row pile 1 is fixedly connected with crossbeam 2, the end away from front row pile 1 of crossbeam 2 is fixedly connected with rear row pile 3, the surface of rear row pile 3 is provided with pulling device 4, pulling device 4 includes first supporting block 41 and positioning plate 47, first supporting block 41 is fixedly connected with the side of front row pile 1 close to crossbeam 2, the inner wall of first supporting block 41 is rotatably connected with first guide pulley 42, the recess of first guide pulley 42 is installed with steel wire rope 43, the side of front row pile 1 away from rear row pile 3 is fixedly connected with second supporting block 44, the inner wall of second supporting block 44 is rotatably connected with second guide pulley 45, steel wire rope 43 is clamped into the recess of second guide pulley 45, the number of positioning plate 47 is two, two positioning plates 47 are rotatably connected with two symmetrical third guide pulleys 46 on the side close to each other, steel wire rope 43 passes through two third guide pulleys 46, the surface of positioning plate 47 is provided with insertion hole 411, insertion hole 411 is inserted with insertion rod 48, the upper end of insertion rod 48 is fixedly connected with pressing block 49, front row pile 1 and rear row pile 3 are rigidly connected through crossbeam 2, form " front row slide resistance + rear row pulling " ladder type anti-slide system, compared with single-row pile, the slope sliding force can be dispersed to multiple piles, pulling device 4 forms elastic connection between front and rear row piles 3 through steel wire rope 43, when the slope has slight displacement, the tension of steel wire rope 43 can adjust the stress of pile body in real time, avoid single pile overload damage, suitable for dynamic anti-slide demand of high fill slope, front row pile 1 and rear row pile 3 are inserted into the slope according to the design interval, front row pile 1 and rear row pile 3 are fixedly connected through crossbeam 2, form ladder type anti-slide structure, crossbeam 2 can transfer the anti-slide force of front and rear row piles 3, enhance the overall stiffness.

[0022] Wherein, one side of insertion rod 48 is fixedly connected with anti-loosing tooth 410, the surface of positioning plate 47 is provided with positioning hole 412, positioning hole 412 is communicated with insertion hole 411, anti-loosing tooth 410 is matched with positioning hole 412, steel wire rope 43 is wound around first guide pulley 42, second guide pulley 45 and third guide pulley 46 between positioning plate 47, forming closed pulling loop, pulling positioning plate 47, make steel wire rope 43 taut, adjust the tension direction through third guide pulley 46, ensure that steel wire rope 43 generates transverse pulling stress to front and rear row piles 3, insert insertion rod 48 into insertion hole 411 of positioning plate 47.

[0023] Wherein, the longitudinal section of anti-loosing tooth 410 is triangular, the engagement of triangular anti-loosing tooth 410 and positioning hole 412 is used, and insertion rod 48 is inserted into the slope, the position of positioning plate 47 is fixed, and steel wire rope 43 is prevented from relaxing.

[0024] The front row pile 1 is provided with a stabilizing device 5, the stabilizing device 5 comprises a sliding sleeve 57, the sliding sleeve 57 is in sliding connection with the surface of the front row pile 1, both sides of the sliding sleeve 57 are fixedly connected with supporting rods 56, one end of the supporting rod 56 away from the sliding sleeve 57 is fixedly connected with a pre-buried plate 55, the surface of the cross beam 2 is provided with a mounting groove 51, the mounting groove 51 is provided with a stabilizing plate 53, both sides of the stabilizing plate 53 are fixedly connected with two symmetrical positioning rods 59, and the positioning rods 59 on the stabilizing plate 53 and the pre-buried plate 55 are sleeved with a pull rod 58, the backfill pressure is transmitted to the cross beam 2 and the front row pile 1 through the pre-buried plate 55 and the stabilizing plate 53, and then is dispersed to deep soil through the supporting device 6 of the rear row pile 3 and the steel wire rope 43, so that multi-row pile cooperative anti-skid is formed, and the slope is effectively protected.

[0025] The surface of one end of the positioning rod 59 is provided with a thread, a bolt 510 is threadedly connected on the positioning rod 59, and the bolt 510 is fixed on the positioning rod 59 by welding, the sliding sleeve 57 is sleeved on the surface of the front row pile 1, the pre-buried plate 55 is connected with the supporting rod 56, the pre-buried plate 55 is embedded in the slope in front of the front row pile 1, the stabilizing plate 53 is inserted into the mounting groove 51 of the cross beam 2, and the stabilizing plate 53 is connected with the pre-buried plate 55 through the positioning rod 59 and the pull rod 58, so as to form a pulling structure of “pre-buried plate 55-pull rod 58-stabilizing plate 53”, the bolt 510 on the positioning rod 59 is tightened, the relative position of the stabilizing plate 53 and the pre-buried plate 55 is fixed, the stabilizing plate 53 is inclined forward, and the pressure distribution after the slope backfilling is adapted.

[0026] The upper surface of the cross beam 2 is fixedly connected with a protection frame 52, the longitudinal section of the protection frame 52 is in the shape of “n”, the protection frame 52 is buckled on the stabilizing plate 53, the protection frame 52 is effectively positioned, the rock-soil backfilling is carried out in the front area of the front row pile 1, the backfilling object is pressed on the positioning plate 47, the pressing block 49 and the pre-buried plate 55, the positioning plate 47 and the pressing block 49 resist the lateral pressure of the backfilling soil through the tension of the steel wire rope 43, the pre-buried plate 55 pulls the stabilizing plate 53 through the pull rod 58, so that the stabilizing plate 53 and the cross beam 2 form a triangular support, the anti-skid ability of the front row pile 1 is enhanced, the protection frame 52 cooperates with the blocking strip 54, the stabilizing plate 53 is prevented from being displaced under the backfilling pressure, and the connection stability of the cross beam 2 and the front row pile 1 is ensured.

[0027] The upper surface of the stabilizing plate 53 is fixedly connected with the blocking strip 54, the blocking strip 54 abuts against one side of the protection frame 52, the position of the stabilizing plate 53 is effectively limited, and the assembly of the stabilizing plate 53 is facilitated.

[0028] The surface of the rear row pile 3 is provided with a supporting device 6, the supporting device 6 comprises a pouring groove 62, the pouring groove 62 is opened on the upper surface of the rear row pile 3, the side of the rear row pile 3 away from the front row pile 1 is provided with a guide hole 63, the guide hole 63 is communicated with the pouring groove 62, the inner wall of the pouring groove 62 is slidably connected with a pressing plate 65, the inner wall of the pressing plate 65 is rotatably connected with a first supporting plate 68, the end of the first supporting plate 68 away from the pressing plate 65 is rotatably connected with a second supporting plate 69, the second supporting plate 69 is rotatably connected with the inner wall of the pouring groove 62, the rear row pile 3 is provided with a mounting cap 61, in the supporting device 6 of the rear row pile 3, the first supporting plate 68 and the second supporting plate 69 can be rotatably unfolded, and after the cement mortar is solidified, a composite structure of 'flexible unfolding + rigid support' is formed, which can adapt to the initial deformation of the slope and provide long-term rigid support.

[0029] The first supporting plate 68 and the second supporting plate 69 are matched with the guide hole 63, the side of the first supporting plate 68 and the second supporting plate 69 away from the front row pile 1 is fixedly connected with a soil breaking block 610, the mounting cap 61 of the pouring groove 62 is opened, the cement mortar is injected into the groove, the external telescopic rod is inserted into the positioning cylinder 66, the pressing plate 65 is pressed downward, the first supporting plate 68 and the second supporting plate 69 are driven to rotate around the hinge point, the guide hole 63 of the rear row pile 3 is penetrated and the soil layer of the slope is inserted, the soil breaking block 610 assists the supporting plate to cut into the soil layer, when the supporting plate is rotated to the horizontal state, the limiting rod 67 is inserted into the limiting groove 64, the position of the pressing plate 65 is fixed, the cement mortar is continuously injected into the pouring groove 62, the mortar fills the gap formed by the rotation of the supporting plate through the guide hole 63, and the first supporting plate 68 and the second supporting plate 69 are wrapped, after the cement mortar is solidified, the supporting plate and the rear row pile 3 form a rigid support structure.

[0030] The upper surface of the pressing plate 65 is fixedly connected with the positioning cylinder 66, the lower surface of the pressing plate 65 is fixedly connected with the limiting rod 67, and the inner bottom wall of the pouring groove 62 is provided with a limiting groove 64 matched with the limiting rod 67.

[0031] The working principle of the present application is that the front row pile 1 and the rear row pile 3 are inserted into the slope according to the designed interval, the front row pile 1 and the rear row pile 3 are fixedly connected through the cross beam 2, a ladder type anti-skid structure is formed, the cross beam 2 can transmit the anti-skid force of the front row pile 1 and the rear row pile 3, and the overall rigidity is enhanced. The steel wire rope 43 passes through the third guide wheel 46 between the first guide wheel 42, the second guide wheel 45 and the positioning plate 47, forms a closed pulling loop, pulls the positioning plate 47, makes the steel wire rope 43 tight, adjusts the pulling direction through the third guide wheel 46, ensures that the steel wire rope 43 generates a transverse pulling stress on the front row pile 1 and the rear row pile 3, inserts the inserting rod 48 into the insertion hole 411 of the positioning plate 47, utilizes the engagement of the triangular anti-loose tooth 410 and the positioning hole 412, and inserts the inserting rod 48 into the slope, fixes the position of the positioning plate 47, and prevents the steel wire rope 43 from relaxing. The sliding sleeve 57 is sleeved on the surface of the front row pile 1, the embedded plate 55 is connected through the support rod 56 and is embedded into the slope body in front of the front row pile 1, the stabilizing plate 53 is inserted into the mounting groove 51 of the cross beam 2, is connected with the embedded plate 55 through the positioning rod 59 and the pull rod 58, a pulling structure of the embedded plate 55-pull rod 58-stabilizing plate 53 is formed, the bolt 510 on the positioning rod 59 is screwed, the relative position of the stabilizing plate 53 and the embedded plate 55 is fixed, the stabilizing plate 53 is inclined forward, and the pressure distribution after the slope backfilling is adapted; The front row pile 1 is filled with rock soil in front of the front row pile 1, the backfilling object is pressed on the positioning plate 47, the pressing block 49 and the embedded plate 55, the positioning plate 47 and the pressing block 49 resist the lateral pressure of the backfilling soil through the pulling force of the steel wire rope 43, the embedded plate 55 pulls the stabilizing plate 53 through the pull rod 58, the stabilizing plate 53 and the cross beam 2 form a triangular support, the sliding resistance of the front row pile 1 is enhanced, the protective frame 52 cooperates with the blocking strip 54, the displacement of the stabilizing plate 53 under the backfilling pressure is prevented, and the connection stability of the cross beam 2 and the front row pile 1 is ensured; The mounting cap 61 of the pouring groove 62 is opened, cement mortar is injected into the groove, the external telescopic rod is inserted into the positioning cylinder 66, the pressing plate 65 is pressed downward, the first supporting plate 68 and the second supporting plate 69 are driven to rotate around the hinge point, the guiding hole 63 of the rear row pile 3 is penetrated and is inserted into the slope soil layer, the broken soil block 610 assists the supporting plate to cut into the soil layer, when the supporting plate is rotated to the horizontal state, the limiting rod 67 is inserted into the limiting groove 64, the position of the pressing plate 65 is fixed, cement mortar is continuously injected into the pouring groove 62, the cement mortar fills the gap formed by the rotation of the supporting plate through the guiding hole 63, the first supporting plate 68 and the second supporting plate 69 are wrapped, after the cement mortar is solidified, the supporting plate and the rear row pile 3 form a rigid supporting structure, cooperate with the pulling effect of the steel wire rope 43, resist the sliding force of the slope soil body, and disperse the lateral pressure received by the rear row pile 3.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A multi-row stepped anti-slide pile for a slope fill, comprising a front row of piles (1), characterized in that: One side of the front row piles (1) is fixedly connected to a crossbeam (2), and one end of the crossbeam (2) away from the front row piles (1) is fixedly connected to a rear row pile (3). A pulling device (4) is provided on the surface of the rear row piles (3). The pulling device (4) comprises a first support block (41) and a positioning plate (47). The first support block (41) is fixedly connected to a side of the front row piles (1) close to the crossbeam (2). The inner wall of the first support block (41) is rotatably connected to a first guide wheel (42). A steel wire rope (43) is installed in a groove of the first guide wheel (42). The side of the front row piles (1) away from the rear row piles (3) is fixedly connected to the crossbeam (2). A second support block (44) is fixedly connected, and the inner wall of the second support block (44) is rotatably connected to a second guide wheel (45). The steel wire rope (43) is stuck in the groove of the second guide wheel (45). There are two positioning plates (47). The two positioning plates (47) are rotatably connected to two symmetrically arranged third guide wheels (46) on one side close to each other. The steel wire rope (43) passes through the two third guide wheels (46). A plug hole (411) is opened on the surface of the positioning plate (47), and an insertion rod (48) is inserted into the plug hole (411). The upper end of the insertion rod (48) is fixedly connected to a pressure block (49).

2. The multi-row stepped anti-slide piles for slope fill according to claim 1, characterized in that: An anti-slip tooth (410) is fixedly connected to one side of the insertion rod (48), a positioning hole (412) is provided on the surface of the positioning plate (47), the positioning hole (412) is connected to the insertion hole (411), and the anti-slip tooth (410) is adapted to the positioning hole (412).

3. The multi-row stepped anti-slide piles for slope fill according to claim 2, characterized in that: The longitudinal section of the anti-slip tooth (410) is triangular.

4. The multi-row stepped anti-slide piles for slope fill according to claim 1, characterized in that: The front row piles (1) are provided with a stabilizing device (5), the stabilizing device (5) comprising a sliding sleeve (57), the sliding sleeve (57) being slidably connected to the surface of the front row piles (1), the sliding sleeve (57) being fixedly connected to support rods (56) on both sides, the support rods (56) being fixedly connected to an embedded plate (55) at one end away from the sliding sleeve (57), the surface of the crossbeam (2) being provided with a mounting groove (51), the mounting groove (51) being provided with a stabilizing plate (53), the stabilizing plate (53) being fixedly connected to both sides of the embedded plate (55) with two symmetrically distributed positioning rods (59), and a pull rod (58) being sleeved between the positioning rods (59) on the stabilizing plate (53) and the embedded plate (55).

5. The multi-row stepped anti-slide piles for slope fill according to claim 4, characterized in that: One end surface of the positioning rod (59) is provided with a thread, a bolt (510) is threadedly connected to the positioning rod (59), and the bolt (510) and the positioning rod (59) are fixed by welding.

6. The multi-row stepped anti-slide piles for slope fill according to claim 4, characterized in that: A protective frame (52) is fixedly connected to the upper surface of the crossbeam (2), the longitudinal section of the protective frame (52) is in an "n" shape, and the protective frame (52) is buckled onto the stabilizing plate (53).

7. The multi-row stepped anti-slide piles for slope fill according to claim 6, characterized in that: A blocking bar (54) is fixedly connected to the upper surface of the stabilizing plate (53), and the blocking bar (54) abuts against one side of the protective frame (52).

8. The multi-row stepped anti-slide piles for slope fill according to claim 1, characterized in that: The surface of the rear row pile (3) is provided with a supporting device (6), and the supporting device (6) includes a casting trough (62). The casting trough (62) is opened on the upper surface of the rear row pile (3), and a guide hole (63) is opened on the side of the rear row pile (3) away from the front row pile (1). The guide hole (63) is connected to the casting trough (62). The inner wall of the casting trough (62) is slidably connected to a pressing plate (65), and the inner wall of the pressing plate (65) is rotatably connected to a first supporting plate (68). The end of the first supporting plate (68) away from the pressing plate (65) is rotatably connected to a second supporting plate (69), and the second supporting plate (69) is rotatably connected to the inner wall of the casting trough (62). A mounting cap (61) is installed on the rear row pile (3).

9. The multi-row stepped anti-slide piles for slope fill according to claim 8, characterized in that: The first support plate (68) and the second support plate (69) are both adapted to the guide hole (63), and a soil-breaking block (610) is fixedly connected to one side of the first support plate (68) and the second support plate (69) away from the front row of piles (1).

10. The multi-row stepped anti-slide piles for slope fill according to claim 8, characterized in that: The upper surface of the pressing plate (65) is fixedly connected to a positioning cylinder (66), the lower surface of the pressing plate (65) is fixedly connected to a limiting rod (67), and the inner bottom wall of the casting trough (62) is provided with a limiting groove (64) adapted to the limiting rod (67).

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