CN112962568A

CN112962568A - Reinforced double-layer geogrid

Info

Publication number: CN112962568A
Application number: CN202110180904.7A
Authority: CN
Inventors: 覃鹏军; 周彬
Original assignee: Individual
Current assignee: Yunnan Zhongchi Engineering Materials Co ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-06-15
Anticipated expiration: 2041-02-09
Also published as: CN112962568B

Abstract

The invention relates to the technical field of geogrids, in particular to a reinforced double-layer geogrid, which comprises an upper grid and a lower grid, wherein four corners of the bottom end of the upper grid are provided with connecting mechanisms, the top end of the upper grid is provided with four circular grooves corresponding to the connecting mechanisms, the left side wall and the right side wall of each circular groove are provided with clamping holes, the upper parts of the connecting mechanisms extend into the circular grooves, and the top end of the lower grid is provided with four connecting grooves corresponding to the connecting mechanisms. Time and labor are saved, so that the integral stability of the grating is stronger, and the grating is worthy of popularization and use.

Description

Reinforced double-layer geogrid

Technical Field

The invention relates to the technical field of geogrids, in particular to a reinforced double-layer geogrid.

Background

Geogrid is a major geosynthetic material that has unique properties and efficacy compared to other geosynthetics. It is often used as a reinforcement for reinforced earth structures or as a reinforcement for composite materials.

Geogrids are divided into four categories, namely plastic geogrids, steel-plastic geogrids, glass fiber geogrids and polyester warp-knitted polyester geogrids. The grid is a two-dimensional grid or three-dimensional grid screen with a certain height formed by thermoplastic or die pressing of high polymer such as polypropylene, polyvinyl chloride and the like, and is called as geogrid when used in civil engineering.

Thereby current geogrid is mostly single layer construction makes the bulk strength relatively poor, and the stability of using is not enough, and the connection between current geogrid and the soil body is comparatively wasted time and energy and the operation is complicated, simultaneously and the stability of being connected between the soil body not enough, easily appear and be connected the condition that drops between the soil body to make the holistic stability of grid not good, for this reason we propose a reinforcement type double-deck geogrid and solve this type of problem.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a reinforced double-layer geogrid.

In order to achieve the purpose, the invention adopts the following technical scheme:

designing a reinforced double-layer geogrid, which comprises an upper grid and a lower grid, wherein four connecting mechanisms are arranged at four corners of the bottom end of the upper grid, four circular grooves corresponding to the positions of the connecting mechanisms are formed in the top end of the upper grid, clamping holes are formed in the left side wall and the right side wall of each circular groove, the upper portion of each connecting mechanism extends into the corresponding circular groove, four connecting grooves corresponding to the connecting mechanisms are formed in the top end of the lower grid, a plurality of fixing holes are formed in the lower portions of the connecting grooves in an equidistance surrounding mode, the lower portion of each connecting structure is located inside the corresponding connecting grooves, inserting rods are fixedly mounted at four corners of the bottom end of the lower grid, cavities are formed in the inserting rods, a lead screw is vertically movably mounted between the middle portions of the top wall and the bottom wall of each inserting rod, a rotating rod is fixedly mounted at the top end of the lead screw, four round, the top end of the rotating rod extends to the inside of the round hole and is fixedly provided with a knob, the upper part and the lower part of the outer side of the screw rod are respectively sheathed with a thread block in a threaded manner, a plurality of mounting grooves are formed in the top wall and the bottom wall of the inserted bar in an equidistant surrounding manner, mounting blocks are arranged inside the mounting grooves, a movable plate is fixedly mounted between two opposite mounting blocks which are positioned above and below the mounting grooves, a plurality of first movable seats corresponding to the moving plate are fixedly arranged on the outer side of the thread block in an equidistance surrounding manner, the upper part and the lower part of one side of the moving plate opposite to the first movable seat are both fixedly provided with a second movable seat, the second movable seat is connected with the adjacent first movable seat through a connecting rod, a plurality of reinforcing plates are fixedly mounted on one side, far away from the second movable seat, of the movable plate at equal intervals from top to bottom, and one end, far away from the movable plate, of each reinforcing plate penetrates through the inner wall of the corresponding inserted rod and extends to the outside of the corresponding inserted rod.

Preferably, the connecting mechanism comprises a connecting shell, the connecting shell is fixedly connected with the four corners of the bottom end of the upper grid, a driving rod is vertically movably mounted in the middle of the bottom wall of the connecting shell, a disc is fixedly mounted in the middle of the top end of the driving rod, the top end of the driving rod penetrates through the top wall of the connecting shell and the upper grid and extends to the inside of the circular groove, a rectangular block is fixedly mounted at the top end of the disc, a cavity is arranged in the rectangular block, a partition plate is fixedly mounted in the middle of the inside of the rectangular block, sliding rods are transversely and fixedly mounted in the middle of the left side and the right side of the partition plate, one ends of the sliding rods, far away from the partition plate, are fixedly connected with the inner wall of the rectangular block, sliding blocks are movably sleeved outside the sliding rods, movable openings are transversely formed in the left side and the right, the sliding rod is sleeved with a first spring, the first spring is positioned between the sliding block and the partition plate, one side of the sliding block, which is far away from the partition plate, is symmetrically and fixedly provided with ejector rods, one end of each ejector rod, which is far away from the sliding block, on the same side passes through the inner wall of the rectangular block and extends to the outside of the rectangular block, the clamping block is fixedly installed, the clamping block is matched with the clamping hole, the lower part of the outer side of the driving rod is provided with threads, and is sleeved with a driving block in a threaded manner, the left side and the right side of the top end of the driving block are respectively and fixedly provided with an L-shaped rod, the inner walls of the left side and the right side of the connecting shell are respectively and vertically provided with a limiting groove, a limiting block is arranged inside the limiting groove, one end of each L-shaped rod, which, the inside movable mounting of installation shell has the dead lever, the dead lever passes the installation shell near the one end of clamp plate and extends to its outside, the dead lever is kept away from the outside that the driver block was passed installation shell and link shell extension to link shell, the fixed push pedal that is equipped with of outside cover of dead lever, the outside cover of dead lever is equipped with the second spring, the second spring is located one side that the driver block was kept away from to the push pedal.

Preferably, the pressing plate is arranged in a shape of an inverted circular truncated cone, and an inclined surface facing upwards is arranged at one end, close to the pressing plate, of the fixing rod.

Preferably, the number of the moving plates is four.

Preferably, a rubber plug matched with the round hole is arranged at the top end of the round hole, a rubber strip is fixedly connected to one side of the top end of the rubber plug, and one end, far away from the rubber plug, of the rubber strip is fixedly connected with the top end of the upper grating.

Preferably, the reinforcing plate is made of steel, and a ground breaking steel sheet is fixedly mounted at one end, far away from the moving plate, of the reinforcing plate.

Preferably, the bottom end of the inserted rod is arranged in a taper shape.

Preferably, the upper and lower screw threads of the screw rod are opposite in direction.

The reinforced double-layer geogrid provided by the invention has the beneficial effects that:

1. when the screw rod is used, the four insertion rods are inserted into soil, the knob is rotated in the forward direction to drive the rotating rods to rotate so as to realize the rotation of the screw rod, when the screw rod rotates in the forward direction, the screw rod can drive the pair of threaded blocks to move close to each other so as to drive the movable plate to move in the direction far away from the screw rod through the first movable seat, the second movable seat and the connecting rod, so that the reinforcing plate is driven to be inserted into the soil, the reinforcing plate bears the soil pressure so as to realize the reinforcement of the insertion rods, the insertion rods cannot be easily pulled out of the soil, the connection of the lower grid and the soil body is realized, when the knob rotates in the reverse direction, the reverse rotation of the screw rod can be realized, and when the screw rod rotates in the reverse direction, the reinforcing plate can be retracted so as;

2. the invention puts the upper grid on the lower grid, and simultaneously inserts four connecting shells into corresponding connecting grooves, at the same time, a first spring in a rectangular block is in a compressed state, the rectangular block is rotated clockwise 90 degrees to drive a disc to rotate and further drive a driving rod to rotate, the driving rod drives a driving block to descend along the surface of the driving block, the driving block is limited by the matching of a limiting block limiting groove and an L-shaped rod so that the driving block can only vertically descend, the driving block simultaneously drives a pressing plate to descend, when the pressing plate descends to be contacted with a fixed rod, the pressing plate and the inclined surface of the fixed rod slide relatively along with the continuous descending of the pressing plate, so that the fixed rod is extruded to move in the direction far away from the pressing plate, the pushing plate is driven to move along with the pressing plate so as to compress a second spring to generate acting force, and simultaneously, the fixed rod enters into a corresponding fixing hole to realize the quick, meanwhile, the clamping block is driven to move along with the rotation of the rectangular block so that the clamping block is aligned with the clamping hole, at the moment, the first spring releasing acting force drives the sliding block to move towards the direction close to the clamping hole so as to drive the ejector rod to move along with the sliding block, so that the clamping block is driven to enter the clamping hole to fix the rectangular block, further, the driving rod is fixed to prevent the driving rod from rotating, the fixing is more stable, when the connection between the upper grid and the lower grid needs to be cancelled, the pair of push rods are pulled to move close to each other, so that the clamping block is driven to leave the clamping hole, at the moment, the rectangular block can be rotated by 90 degrees in a reversible way so that the clamping block is staggered with the clamping hole, at the same time, the driving rod can rotate along with the sliding block so that the driving block ascends, the ascending of the pressing plate is realized, when the, therefore, the upper grating and the lower grating are not fixed, so that the lower grating and the upper grating are convenient to mount and dismount;

the invention can realize quick mounting, dismounting and fixing of the upper grating and the lower grating, thereby facilitating the combination of the upper grating and the lower grating into a double-layer integral grating, improving the integral strength and stability, realizing reinforcement, reinforcing and connecting the lower grating and the soil body, further ensuring that the connection between the lower grating and the soil body is more stable, and the connection operation is simple, time-saving and labor-saving, thereby ensuring that the integral stability of the grating is stronger, and being worthy of popularization and use.

Drawings

Fig. 1 is a schematic view of a reinforced double-layer geogrid structure according to the present invention;

FIG. 2 is a schematic structural diagram of a connection mechanism according to the present invention;

FIG. 3 is a schematic view of the combined structure of the upper grid and the lower grid according to the present invention;

FIG. 4 is a schematic view of the upper grid structure according to the present invention;

FIG. 5 is a schematic view of a lower grid structure according to the present invention;

FIG. 6 is a schematic top view of the upper grid according to the present invention;

FIG. 7 is a schematic bottom view of the upper grill according to the present invention;

FIG. 8 is a schematic top view of a lower grid according to the present invention;

fig. 9 is a schematic bottom view of the lower grid according to the present invention.

In the figure: the device comprises an upper grid 1, a lower grid 2, a connecting mechanism 3, a connecting shell 301, a driving rod 302, a disc 303, a rectangular block 304, a partition plate 305, a sliding rod 306, a sliding block 307, a push rod 308, a first spring 309, a push rod 310, a clamping block 311, a driving block 312, an L-shaped rod 313, a limiting block 314, a pressing plate 315, an installation shell 316, a fixing rod 317, a push plate 318, a second spring 319, a circular groove 4, a clamping hole 5, a connecting groove 6, a fixing hole 7, an inserting rod 8, a screw rod 9, a rotating rod 10, a circular hole 11, a knob 12, a threaded block 13, an installation groove 14, an installation block 15, a moving plate 16, a first movable seat 17, a second movable seat 18, a connecting rod 19, a reinforcing plate 20, a rubber strip 21, a rubber plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-9, a reinforced double-layer geogrid comprises an upper grid 1 and a lower grid 2, wherein four corners of the bottom end of the upper grid 1 are respectively provided with a connecting mechanism 3, the top end of the upper grid 1 is provided with four circular grooves 4 corresponding to the positions of the connecting mechanisms 3, the left side wall and the right side wall of each circular groove 4 are respectively provided with a clamping hole 5, the upper part of each connecting mechanism 3 extends into the corresponding circular groove 4, the top end of the lower grid 2 is provided with four connecting grooves 6 corresponding to the connecting mechanisms 3, the lower parts of the groove walls of the connecting grooves 6 are provided with a plurality of fixing holes 7 in an equidistance surrounding manner, the lower part of each connecting structure 3 is positioned inside the corresponding connecting groove 6, each connecting mechanism 3 comprises a connecting shell 301, the connecting shell 301 is fixedly connected with the four corners of the bottom end of the upper grid 1, driving rods 302 are vertically and movably arranged in the middle parts of the bottom wall of the connecting, a rectangular block 304 is fixedly installed at the top end of the disc 303, a cavity is arranged inside the rectangular block 304, a partition plate 305 is fixedly installed in the middle of the inside of the rectangular block 304, slide rods 306 are transversely and fixedly installed in the middle of the left side and the right side of the partition plate 305, one end, far away from the partition plate 305, of each slide rod 306 is fixedly connected with the inner wall of the rectangular block 304, a slide block 307 is movably sleeved outside each slide rod 306, movable openings are transversely formed in the left side and the right side of the top end of the rectangular block 304, a push rod 308 is fixedly installed at the top end of each slide rod 307, the top end of each push rod 308 penetrates through each movable opening to extend to the outside of the rectangular block 304, a first spring 309 is sleeved outside each slide rod 306 and is positioned between the corresponding slide block 307 and the partition plate 305, push rods 310 are symmetrically and fixedly installed on one side, far away from, the clamping block 311 is matched with the clamping hole 5, the lower part of the outer side of the driving rod 302 is provided with threads and is sleeved with a driving block 312, the left side and the right side of the top end of the driving block 312 are fixedly provided with L-shaped rods 313, the inner walls of the left side and the right side of the connecting shell 301 are vertically provided with limiting grooves, limiting blocks 314 are arranged inside the limiting grooves, one end of each L-shaped rod 313 far away from the driving block 312 is fixedly connected with the adjacent limiting blocks 314, the outer part of each driving block 312 is fixedly sleeved with a pressing plate 315, the bottom wall of the connecting shell 301 is equidistantly and fixedly provided with a plurality of mounting shells 316 corresponding to the fixing holes 7 in a surrounding manner, a fixing rod 317 is movably arranged inside each mounting shell 316, one end of each fixing rod 317 close to the corresponding to the pressing plate 315 penetrates through the mounting shells 316 to extend to the outer parts of the fixing rods 315, the pressing, the pressing plate 315 slides relative to the inclined surface of the fixing rod 317 as the pressing plate 315 descends, so that the fixing rod 317 is pressed to move in a direction away from the pressing plate 315, the pressing plate 318 is driven to move along with the pressing plate, the second spring 319 is compressed and deformed, and an acting force is generated, and meanwhile, the fixing rod 317 enters the corresponding fixing hole 7 to realize the quick connection and fixation of the upper grid 1 and the lower grid 2.

One end of a fixed rod 317 far away from the driving block 312 penetrates through the mounting shell 316 and the connecting shell 301 to extend to the outside of the connecting shell 301, a push plate 318 is fixedly sleeved outside the fixed rod 317, a second spring 319 is sleeved outside the fixed rod 317, the second spring 319 is positioned on one side of the push plate 318 far away from the driving block 312, the upper grid 1 can be placed at the top end of the lower grid 2, meanwhile, the four connecting shells 301 are inserted into the corresponding connecting grooves 6, at the moment, the first spring 309 in the rectangular block 304 is in a compressed state, the rectangular block 304 is rotated clockwise 90 degrees to drive the disc 303 to rotate so as to drive the driving rod 302 to rotate, the driving rod 302 drives the driving block 312 to descend along the surface of the driving block, the driving block 312 is limited only to be vertically upwards and downwards through the matching of the limit block 314 and the L-shaped rod 313, the pressing plate 315 is driven to descend at the same time of descending of the driving block, the pressing plate 315 continuously descends to slide relative to the inclined surface of the fixing rod 317 so as to extrude the fixing rod 317 to move in a direction away from the pressing plate 315, thereby driving the pushing plate 318 to move therewith to compress the second spring 319 so as to deform and generate an acting force, meanwhile, the fixing rod 317 enters the corresponding fixing hole 7 to realize the quick connection and fixation of the upper grid 1 and the lower grid 2, meanwhile, the rotation of the rectangular block 304 drives the fixture block 311 to move therewith so as to align the fixture block 311 with the clamping hole 5, at the moment, the first spring 309 releases the acting force to drive the sliding block 307 to move in a direction close to the clamping hole 5 so as to drive the ejector rod 310 to move therewith so as to drive the fixture block 311 to enter the clamping hole 5 to realize the fixation of the rectangular block 304 and further realize the fixation of the disc 303 to the driving rod 302 so as to avoid the rotation, when the connection between the upper grid 1 and the lower grid 2, the pair of push rods 308 are pulled to move close to each other, so that the fixture block 311 is driven to leave the clamping hole 5, at the moment, the rectangular block 4 can be rotated by 90 degrees counterclockwise, so that the fixture block 311 is dislocated with the clamping hole 5, meanwhile, the driving rod 302 can be rotated along with the rotation of the rectangular block 4, so that the driving block 312 is lifted, the lifting of the pressing plate 315 is realized, when the pressing plate 315 leaves the fixing rod 317, the second spring 319 releases acting force to drive the pushing plate 318 to reset, so that the fixing rod 317 is reset and leaves the fixing hole 7, and the upper grille 1 and the lower grille 2 are fixedly cancelled.

The equal fixed mounting in bottom four corners of lower grid 2 has inserted bar 8, and the bottom of inserted bar 8 is the taper setting for the inserted bar 8 of being convenient for inserts in the soil.

The inside of inserted bar 8 is equipped with the cavity, common vertical movable mounting has lead screw 9 between the middle part of the roof of inserted bar 8 and diapire, the top fixed mounting of lead screw 9 has bull stick 10, four round holes 11 corresponding with bull stick 10 position are seted up on the top of going up

grid

1, 11 tops of round hole are equipped with rather than assorted rubber stopper 22, top one side fixedly connected with rubber banding 21 of rubber stopper 22, the one end that rubber stopper 22 was kept away from to rubber banding 21 and the top fixed connection of last grid 1, can cover round hole 11 through rubber stopper 22, avoid the rainwater to flow in.

The inside fixed mounting that the top of bull stick 10 extended to round hole 11 has knob 12, the equal thread cover in upper portion and the lower part in the outside of lead screw 9 is equipped with screw block 13, the screw thread opposite direction of the upper portion and the lower part of lead screw 9, make can drive the motion that a pair of screw block 13 is close to each other or keeps away from each other when lead screw 9 forward or reverse rotation, thereby can drive the motion that a pair of screw block 13 is close to each other when lead screw 9 forward makes through first movable seat 17, second movable seat 18, connecting rod 19 drives movable plate 16 and makes to drive gusset plate 20 and insert soil to the direction motion of keeping away from lead screw 9, thereby make gusset plate 20 bear the soil pressure and realize consolidating to inserted bar 8, make inserted bar 8 can not easily extract from soil, can realize gusset plate 20 when lead screw 9 reverse rotation pack up thereby make and be convenient for extract inserted bar 8.

A plurality of mounting grooves 14 are formed in the top wall and the bottom wall of the insert rod 8 in an equal-distance surrounding mode, mounting blocks 15 are arranged inside the mounting grooves 14, a moving plate 16 is fixedly mounted between two opposite mounting blocks 15 located above and below, a plurality of first movable seats 17 corresponding to the moving plate 16 are fixedly mounted on the outer side of each thread block 13 in an equal-distance surrounding mode, second movable seats 18 are fixedly mounted on the upper portion and the lower portion of one side, opposite to the first movable seats 17, of the moving plate 16 in an equal-distance surrounding mode, the second movable seats 18 are connected with the adjacent first movable seats 17 through connecting rods 19, a plurality of reinforcing plates 20 are fixedly mounted on one side, far away from the second movable seats 18, of the moving plate 16 in an equal-distance from top to bottom, the reinforcing plates 20 are arranged in four directions, and therefore the reinforcing effect on the insert rod 8 can be better due.

One end of the reinforcing plate 20, which is far away from the moving plate 16, penetrates through the inner wall of the inserted link 8 and extends to the outside of the inserted link, the reinforcing plate 20 is made of steel, one end of the reinforcing plate 20, which is far away from the moving plate 16, is fixedly provided with a ground breaking steel sheet 23, and the ground breaking steel sheet 23 is specifically a steel sheet and one end, which is far away from the reinforcing plate 20, is arranged in a thin surface mode, so that the ground can be cut into the.

The working principle is as follows: when the device is used, the four insertion rods 8 are inserted into soil, the knob 12 is rotated in the forward direction to drive the rotating rods 10 to rotate so as to realize the rotation of the screw rod 9, when the screw rod 9 rotates forwards, the screw rod 9 can drive the pair of threaded blocks 13 to move close to each other, so that the movable plate 16 is driven by the first movable seat 17, the second movable seat 18 and the connecting rod 19 to move in the direction away from the screw rod 9 so as to drive the reinforcing plate 20 to be inserted into the soil, so that the reinforcing plate 20 bears the soil pressure to reinforce the insertion rods 8, the insertion rods 8 cannot be easily pulled out of the soil, the connection between the lower grid 2 and the soil body is realized, when the knob 12 rotates backwards, the reverse rotation of the screw rod 9 can be realized, when the screw rod 9 rotates backwards, the retraction of the reinforcing plate 20 can be realized, so that the insertion rods 8 can be conveniently pulled out, the lower grid 2 and the soil body can be conveniently fixed, after the lower grid 2 and the soil, meanwhile, the four connecting shells 301 are inserted into the corresponding connecting grooves 6, at this time, the first spring 309 in the rectangular block 304 is in a compressed state, the rectangular block 304 is rotated clockwise by 90 degrees to drive the disc 303 to rotate so as to drive the driving rod 302 to rotate, the driving rod 302 drives the driving block 312 to descend along the surface thereof, the driving block 312 is limited by the matching of the limiting groove of the limiting block 314 and the L-shaped rod 313 so as to be only straight up and down, the driving block 312 descends and simultaneously drives the pressing plate 315 to descend, when the pressing plate 315 descends to be in contact with the fixed rod 317, the pressing plate 315 continuously descends to slide relative to the inclined plane of the fixed rod 317 so as to extrude the fixed rod to move in the direction away from the pressing plate 315 so as to drive the pushing plate 318 to move along with the pushing plate 318 so as to compress the second spring 319 to generate acting force, and simultaneously the fixed rod 317 enters the corresponding fixing hole 7 so as to realize the quick connection and fixation of, meanwhile, the clamping block 311 is driven to move along with the rotation of the rectangular block 304, so that the clamping block 311 is aligned with the clamping hole 5, at the moment, the first spring 309 releases acting force to drive the sliding block 307 to move towards the direction close to the clamping hole 5, so that the ejector rod 310 is driven to move along with the movement, the clamping block 311 is driven to enter the clamping hole 5, the rectangular block 304 is fixed, the driving rod 302 is prevented from rotating, the fixing is more stable, when the connection between the upper grid 1 and the lower grid 2 needs to be cancelled, the pair of push rods 308 are pulled to move close to each other, so that the clamping block 311 is driven to leave the clamping hole 5, at the moment, the rectangular block 311 can be rotated by 90 degrees, so that the clamping block 311 is dislocated with the clamping hole 5, meanwhile, the driving rod 302 can rotate along with the driving block 312, the lifting of the pressing plate, at this time, the second spring 319 releases the acting force to drive the push plate 318 to reset, so that the fixed rod 317 is reset and leaves the fixed hole 7, and the upper grid 1 and the lower grid 2 are not fixed, so that the lower grid 2 and the upper grid 1 can be conveniently mounted and dismounted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The reinforced double-layer geogrid comprises an upper grid (1) and a lower grid (2), and is characterized in that four circular grooves (4) corresponding to the positions of the connecting mechanisms (3) are formed in the four corners of the bottom of the upper grid (1), clamping holes (5) are formed in the groove walls of the left side and the right side of each circular groove (4), the upper portions of the connecting mechanisms (3) extend into the circular grooves (4), four connecting grooves (6) corresponding to the connecting mechanisms (3) are formed in the top of the lower grid (2), a plurality of fixing holes (7) are formed in the lower portions of the connecting grooves (6) in an equidistance surrounding mode, the lower portions of the connecting structures (3) are located in the connecting grooves (6), and inserting rods (8) are fixedly mounted in the four corners of the bottom of the lower grid (2), the inside of inserted bar (8) is equipped with the cavity, common vertical movable mounting has lead screw (9) between the middle part of the roof of inserted bar (8) and diapire, the top fixed mounting of lead screw (9) has bull stick (10), go up the top of grid (1) and seted up four round holes (11) corresponding with bull stick (10) position, the inside fixed mounting that the top of bull stick (10) extended to round hole (11) has knob (12), the upper portion and the equal thread cover in lower part in the outside of lead screw (9) are equipped with thread block (13), the roof and the diapire of inserted bar (8) all encircle and seted up a plurality of mounting grooves (14) with the equidistance, the inside of mounting groove (14) is equipped with installation piece (15), and two movable plates that are located top and below are relative common fixed mounting has (16) between installation piece (15), the outside equidistance of thread block (13) encircles fixed mounting has a plurality of movable seats corresponding with movable plate (16) first movable seat (17) The utility model discloses a movable plate, the equal fixed mounting in upper portion and the lower part of one side that movable plate (16) and first movable seat (17) are relative has second movable seat (18), be connected through connecting rod (19) between second movable seat (18) and adjacent first movable seat (17), one side top-down equidistance fixed mounting that second movable seat (18) were kept away from in movable plate (16) has a plurality of gusset plates (20), the inner wall that inserted bar (8) was passed to the one end that movable plate (16) were kept away from in gusset plate (20) extends to its outside.

2. The reinforced double-layer geogrid according to claim 1, wherein the connecting mechanism (3) comprises a connecting shell (301), the connecting shell (301) is fixedly connected to four corners of the bottom end of the upper grid (1), a driving rod (302) is vertically and movably mounted in the middle of the bottom wall of the connecting shell (301), the top end of the driving rod (302) penetrates through the top wall of the connecting shell (301) and the inner portion of the upper grid (1) extending to the circular groove (4) to be fixedly provided with a disc (303), the top end of the disc (303) is fixedly provided with a rectangular block (304), a cavity is formed in the rectangular block (304), a partition plate (305) is fixedly mounted in the middle of the rectangular block (304), sliding rods (306) are transversely and fixedly mounted in the middle of the left side and the right side of the partition plate (305), one end, far away from the partition plate (305), of each sliding rod (306) is fixedly connected with the inner wall of the rectangular block, a sliding block (307) is movably sleeved outside the sliding rod (306), movable openings are transversely formed in the left side and the right side of the top end of the rectangular block (304), a push rod (308) is fixedly installed at the top end of the sliding block (307), the top end of the push rod (308) penetrates through the movable openings and extends to the outside of the rectangular block (304), a first spring (309) is sleeved outside the sliding rod (306), the first spring (309) is located between the sliding block (307) and the partition plate (305), ejector rods (310) are symmetrically and fixedly installed on one side, far away from the partition plate (305), of the sliding block (307), one ends, far away from the sliding block (307), of the two ejector rods (310) on the same side penetrate through the inner wall of the rectangular block (304) and extend to the outside of the rectangular block to jointly and fixedly install a clamping block (311), the clamping block (311) is matched with the clamping hole (5), a driving block (312, the all fixed mounting in the left and right sides on the top of drive block (312) has L type pole (313), the equal vertical spacing groove that has seted up of the left and right sides inner wall of connecting shell (301), the inside in spacing groove is equipped with stopper (314), the one end and adjacent stopper (314) fixed connection of drive block (312) are kept away from in L type pole (313), the outside fixed cover of drive block (312) is equipped with clamp plate (315), the diapire equidistance of connecting shell (301) encircles fixed mounting has a plurality of and fixed orifices (7) corresponding installation shell (316), the inside movable mounting of installation shell (316) has dead lever (317), the one end that dead lever (317) are close to clamp plate (315) is passed installation shell (316) and is extended to its outside, the one end that drive block (312) was kept away from in dead lever (317) passes installation shell (316) and connecting shell (301) is extended to the outside of connecting shell (301), the outer portion of the fixing rod (317) is fixedly sleeved with a push plate (318), the outer portion of the fixing rod (317) is sleeved with a second spring (319), and the second spring (319) is located on one side, away from the driving block (312), of the push plate (318).

3. The reinforced double-layer geogrid according to claim 2, wherein the pressure plate (315) is arranged in an inverted truncated cone shape, and an upward-oriented inclined surface is arranged at one end, close to the pressure plate (315), of the fixing rod (317).

4. Reinforced double-layer geogrid according to claim 1, wherein the number of moving plates (16) is four.

5. The reinforced double-layer geogrid according to claim 1, wherein a rubber plug (22) matched with the circular hole (11) is arranged at the top end of the circular hole, a rubber strip (21) is fixedly connected to one side of the top end of the rubber plug (22), and one end, far away from the rubber plug (22), of the rubber strip (21) is fixedly connected with the top end of the upper grid (1).

6. The reinforced double-layer geogrid according to claim 1, wherein the reinforcing plate (20) is made of steel, and a ground breaking steel sheet (23) is fixedly mounted at one end of the reinforcing plate (20) far away from the moving plate (16).

7. The reinforced double-layered geogrid according to claim 1, wherein the bottom ends of the insert rods (8) are tapered.

8. The reinforced double-layered geogrid according to claim 1, wherein the upper and lower portions of the screw rods (9) are threaded in opposite directions.