CN217734047U - Prefabricated brick and concrete grid beam composite lining slope protection structure - Google Patents

Abstract

The application relates to a prefabricated brick and concrete grid beam composite lining slope protection structure, and relates to the technical field of slope protection. Which comprises prefabricated bricks laid on the surface of a slope body, wherein the bottom of the slope body is provided with a bearing hole, a bearing groove body is fixedly arranged in the bearing hole, the top of the bearing groove body is covered with a grid plate, a water collecting chamber and a storage chamber are arranged in the bearing groove body through a partition plate, grid plate lid is located the top of collecting chamber, is provided with first filter screen in the collecting chamber, runs through on the division board and has seted up the hole of stepping down, and the bottom of the slope body is provided with the clearance subassembly that is used for clearing up the impurity on the first filter screen to the apotheca. This application has the effect that can regularly clear up the impurity on the first filter screen.

Description

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Technical Field

The utility model relates to a field of bank protection especially relates to a prefabricated brick and concrete grid beam composite lining slope protection structure.

Background

Slope protection refers to the general term of various paving and planting on a slope surface for preventing the slope from being washed; at the present time, it is known that, a typical revetment may be constructed from prefabricated bricks.

A prefabricated brick ecological protection slope disclosed in the current chinese patent with an authorization publication number of CN213926082U, which comprises a steel wire mesh laid on the surface of a side slope, wherein a protection slope brick is laid on the surface of the steel wire mesh, a plurality of planting holes are formed on the surface of the protection slope brick, a drainage channel is arranged at the bottom of the side slope, a grid plate is covered on the top of the drainage channel, the drainage channel is connected with a water storage well, a water pumping device is arranged in the water storage well, and the water pumping device is connected with a spraying mechanism; in the case of dry weather, the weather conditions are high, the water in the water storage well can be pumped to the spraying mechanism through the water guide pipe by the submersible pump, and the spraying mechanism is used for spraying the soil-fixing plants on the surface of the side slope, so that the water replenishing effect is realized on the soil-fixing plants on the surface of the side slope.

In carrying out the process of the present application, the inventors found that in this technique there are at least the following problems: because the holes on the conventional grid plate are large, some small impurities such as blades and the like fall into the drainage channel from the grid plate and are collected into the water storage well through the drainage channel, and once the submersible pump works, the small impurities easily cause the submersible pump to be blocked and operate; in order to filter smaller impurities, a filter screen is additionally arranged in the drainage channel in a conventional method so as to achieve the purpose of filtering the smaller impurities, but after long-term filtering is carried out, too many impurities are accumulated on the filter screen, so that the smoothness of rainwater entering the drainage channel is influenced, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Because carrying out long-term filtration back in order to improve, can pile up too much impurity on the filter screen to influence the rainwater and get into the problem of the patency of drainage canal, this application provides a prefabricated brick and concrete grid beam composite lining slope protection structure.

The application provides a pair of prefabricated brick and concrete net roof beam the composite lining slope protection structure adopts the following technical scheme:

the utility model provides a prefabricated brick and concrete grid roof beam composite lining slope protection structure, is including laying the prefabricated brick on the slope body surface, and the bottom of the slope body has been seted up and has been accepted the hole, accepts the internal fixed being provided with and accepts the cell body, and the top of accepting the cell body is covered and is equipped with grid plate, it is equipped with drip chamber and apotheca through the division board in the cell body to accept, grid plate lid is located the top of drip chamber, be provided with first filter screen in the drip chamber, run through on the division board and seted up the hole of stepping down, the bottom of the slope body be provided with be used for with impurity clearance extremely on the first filter screen the clearance subassembly of apotheca.

By adopting the technical scheme, the cleaning assembly can regularly clean impurities accumulated on the first filter screen, so that the smoothness of rainwater drainage to the water collecting chamber during rainwater collection is not easily influenced by excessive impurities on the first filter screen; and through the hole of stepping down, impurity on the first filter screen will be cleared up to the apotheca to reach the effect of storing impurity, thereby be difficult for polluted environment and staff only need regularly clear up the apotheca, reduced staff's clearance frequency.

Optionally, the clearance subassembly is including clearance case, suction pump, communicating pipe, be responsible for, bleeder and first shower nozzle, the clearance case bury underground in the soil layer of slope body bottom, communicating pipe connect in the collecting chamber with between the clearance case, the suction pump with the inner wall of clearance case is fixed, be responsible for with the suction pump is connected and is run through the clearance case, bleeder one end with be responsible for the intercommunication, the other end run through extremely in the collecting chamber, first shower nozzle with the bleeder is located one end in the collecting chamber is connected, just first shower nozzle is located the top of first filter screen.

Through adopting above-mentioned technical scheme, after impurity filtering when first filter screen is long-term, can start the suction pump and drive the water of clearing up the incasement and carry to the lateral duct by being responsible for, spout by first shower nozzle again, this moment spun rainwater is spouted with impurity orientation on the first filter screen and is stepped down the hole department and spout, spout to storing in the apotheca from stepping down the hole, thereby can regularly clear up accumulational impurity on the first filter screen through the clearance subassembly, and then be difficult for influencing the patency that the rainwater was discharged to the drip chamber when collecting because of impurity on the first filter screen is too much.

Optionally, the main pipe is provided with an extension pipe in a communicating manner, the extension pipe is provided with a plurality of delivery pipes in a communicating manner, one ends of the delivery pipes, which are far away from the extension pipe, are provided with second nozzles in a communicating manner, and the second nozzles are located at the top of the grid plate.

Through adopting above-mentioned technical scheme, after the suction pump starts, the water of cleaning box also will be responsible for and carry to the extension intraductally, again by extension pipe delivery pipe in, at last by the second shower nozzle blowout, this moment spun rainwater spouts great impurity on with grid plate towards apotheca department, stores until spouting to the apotheca in to great impurity has cleared up on the grid plate, and then further reduces and influences the unobstructed nature that the rainwater was discharged to the drip chamber because of piling up of impurity.

Optionally, be provided with the second filter screen in the apotheca, the backward flow hole has been seted up to running through on the division board, the apotheca is internal fixation is provided with the guide plate and is located the bottom of second filter screen, the guide plate is close to the one end slope of collecting chamber sets up downwards, the guide plate is close to the top of collecting chamber one end with the inner diapire in backward flow hole flushes.

Through adopting above-mentioned technical scheme, when impurity on grid plate and the first filter screen is cleared up, in having partial entering apotheca from first shower nozzle and second shower nozzle spun rainwater, this rainwater will flow to return flow hole department along the inclination of guide plate, flow to the collecting chamber in by the return flow hole again, flow to cleaning box and water storage box by the collecting chamber at last and store, thereby collect first shower nozzle and second shower nozzle spun rainwater once more, so that cleaning box and water storage box can collect sufficient rainwater.

Optionally, a support assembly is arranged between the second filter screen and the flow guide plate.

Through adopting above-mentioned technical scheme, because impurity on grid plate and the first filter screen is all by the frequency of clearance impurity clearance on the second filter screen and staff to the second filter screen on, supporting component can support the second filter screen this moment to the second filter screen is difficult for taking place to damage because of the weight overweight of impurity.

Optionally, the supporting component comprises a supporting rod and a supporting screen plate, one end of the supporting rod is fixed to the guide plate, the other end of the supporting rod is fixed to the supporting screen plate, and the supporting screen plate is in contact with the bottom of the second filter screen.

Through adopting above-mentioned technical scheme, support the bottom contact of otter board and second filter screen to reach the effect that supports the second filter screen.

Optionally, a locking rod is rotatably connected to the grid plate and penetrates through the grid plate, a locking hole is formed in the receiving groove body, and the locking rod is connected in the locking hole in a threaded manner.

By adopting the technical scheme, the locking rod is screwed into the locking hole, and when windy weather occurs, the grid plate can be stably covered on the top of the water collecting chamber; and because have remaining impurity to pile up at first filter screen along the ascending both ends of length direction on the first filter screen after the clearance, consequently the staff can regularly twist out the locking pole from the locking is downthehole, then takes away grid plate from the top of collecting chamber, clears up remaining impurity on the first filter screen at last to make first filter screen be difficult for piling up full of impurity along length direction's both ends.

Optionally, a sleeve with magnetism is fixedly arranged in the locking hole, the locking rod is in threaded connection with the sleeve, and the locking rod has magnetism and is attracted to the sleeve magnetically.

Through adopting above-mentioned technical scheme, back in the locking pole twist sleeve, through magnetic sleeve and locking pole cooperation, magnetic attraction has between locking pole and the sleeve to can further improve grid plate's stability.

In summary, the present application includes at least one of the following benefits:

1. can regularly clear up the accumulational impurity on the first filter screen through the clearance subassembly to be difficult for influencing the unobstructed nature of draining into to the collecting chamber when rainwater is collected because of impurity on the first filter screen is too much.

2. Because impurity on grid plate and the first filter screen is all by the clearance second filter screen on and the staff is lower to the frequency of the impurity clearance on the second filter screen, the supporting component can support the second filter screen this moment to the second filter screen is difficult for taking place to damage because of the weight overweight of impurity.

3. After in the locking pole twist sleeve, through magnetic sleeve and locking pole cooperation, have magnetic attraction between locking pole and the sleeve to can further improve grid plate's stability.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a cleaning assembly for embodying the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is a schematic structural diagram for showing a connection relationship between a receiving trough and a grid plate in the embodiment of the present application;

fig. 6 is a partially enlarged view of C in fig. 5.

In the figure: 1. a slope body; 11. a bearing hole; 12. prefabricating bricks; 121. planting holes; 2. a receiving groove body; 21. a water collection chamber; 211. a first filter screen; 22. a storage chamber; 221. a second filter screen; 222. a baffle; 23. a partition plate; 231. a hole of abdication; 232. a return orifice; 24. lock-up an aperture; 241. a sleeve; 3. cleaning the assembly; 31. cleaning the box; 32. a water pump; 33. a communicating pipe; 34. a main tube; 35. a branch pipe; 36. a first nozzle; 37. an extension pipe; 38. a delivery pipe; 39. a second nozzle; 4. a support assembly; 41. a support bar; 42. supporting the screen plate; 5. a grid plate; 51. a lock lever; 6. a water storage tank; 61. a submersible pump; 62. a water conduit; 63. a shower pipe; 64. a shower head; 7. a pipeline.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses prefabricated brick and concrete grid beam composite lining slope protection structure. Referring to fig. 1, a precast brick and concrete gridwork roof beam composite lining slope protection structure is including laying the precast brick 12 on the surface of the slope body 1, and the center department of precast brick 12 runs through to set up has planted hole 121, and it has green planting to plant hole 121, through laying of precast brick 12 and planting of green planting, the slope body 1 will be difficult for taking place soil erosion and cause and collapse. In addition, the lateral wall of prefabricated brick 12 runs through and has seted up the through-hole, and every prefabricated brick 12 concatenation back, and the through-hole homogeneous phase intercommunication to when irrigating green planting, the through-hole can carry water to carry out the moisturizing to green planting in the planting hole 121 of every prefabricated brick 12.

Referring to fig. 2, a receiving hole 11 is formed in the bottom of the slope body 1 along the length direction, a receiving groove body 2 is fixedly arranged in the receiving hole 11, the receiving groove body 2 is provided with a water collecting chamber 21 and a storage chamber 22 through a partition plate 23, and the volumes of the water collecting chamber 21 and the storage chamber 22 are equal. The top of the water collection chamber 21 is covered with a grid plate 5, and the grid plate 5 is used for filtering out larger impurities such as branches when collecting rainwater. The fixed first filter screen 211 that is provided with of inner wall of drip chamber 21, division board 23's lateral wall and run through along length direction and seted up the hole 231 of stepping down, and the bottom of the hole 231 of stepping down flushes with the top of first filter screen 211, and the effect of first filter screen 211 lies in will less impurity when collecting the rainwater, and impurity such as blade filters.

Referring to fig. 2, a water storage tank 6 is buried in the soil layer at the bottom of the slope body 1, the water storage tank 6 is communicated with the water collecting chamber 21 through a pipeline 7, a submersible pump 61 is fixedly arranged in the water storage tank 6 in the embodiment of the present application, the submersible pump 61 is communicated with a water guide pipe 62, and the water guide pipe 62 penetrates through the water storage tank 6 and is obliquely arranged along the slope of the slope body 1. The water guide pipe 62 is provided with two spray pipes 63 in a communicating manner, in the embodiment of the present invention, the two spray pipes 63 are both located right above the green plants, and one side of the spray pipe 63 facing the green plants is provided with a spray head 64 in a communicating manner. In rainy days, rainwater can flow to the water storage tank 6 through the water collection chamber 21 for storage; and in the drought day, the submersible pump 61 is started, the water in the water storage tank 6 is conveyed to the spray pipe 63 through the water guide pipe 62, and then the spray head 64 replenishes the green plants on the surface of the slope body 1, so that the green plants can be replenished with water in the drought day, and the green plants are not easy to wither.

Referring to fig. 2 and 3, the cleaning assembly 3 is arranged at the bottom of the slope body 1, and impurities accumulated on the first filter screen 211 can be cleaned regularly through the cleaning assembly 3, so that the smoothness of rainwater drainage to the water collecting chamber 21 is not affected easily when rainwater is collected due to excessive impurities on the first filter screen 211; and through the hole 231 of stepping down, impurity on the first filter screen 211 will be cleared up to the apotheca 22 in to reach the effect of storing impurity, thereby difficult polluted environment and staff only need regularly clear up apotheca 22, reduced staff's clearance frequency.

Referring to fig. 3, the cleaning assembly 3 includes a cleaning box 31, a water pump 32, a communicating pipe 33, a main pipe 34, a branch pipe 35 and a first nozzle 36, the cleaning box 31 is embedded in the soil layer at the bottom of the slope body 1 and is located at one side of the receiving trough body 2 far away from the precast bricks 12, the communicating pipe 33 is connected between the water collecting chamber 21 and the cleaning box 31, the water pump 32 is fixed inside the cleaning box 31, and the water pump 32 has a waterproof property in the embodiment of the present application. The main pipe 34 is communicated with the water pump 32 and penetrates through the top of the cleaning box 31, one end of the branch pipe 35 is communicated with the main pipe 34, the other end of the branch pipe is communicated with the first spray head 36, the first spray head 36 penetrates into the water collecting chamber 21 and is positioned at the top of one side, away from the abdicating hole 231, of the first filter screen 211, and the plurality of branch pipes 35 are arranged along the length direction of the first filter screen 211.

In rainy days, rainwater enters the water collecting chamber 21, and the rainwater in the water collecting chamber 21 is conveyed to the cleaning tank 31 through the communicating pipe 33 to be stored; after first filter screen 211 filters impurity for a long time, can start suction pump 32 and drive the water in the cleaning box 31 and carry to the bleeder 35 in by being responsible for 34, spout by first shower nozzle 36 again, this moment spun rainwater spouts the impurity orientation on with first filter screen 211 to let hole 231 department, spout to storage chamber 22 in dropping to from letting hole 231 in and storing, thereby can regularly clear up accumulational impurity on first filter screen 211 through clearance subassembly 3, and then be difficult for because of impurity on first filter screen 211 is too much and influence the patency that the rainwater was discharged into when collecting to collecting chamber 21.

Referring to fig. 3, the main pipe 34 is provided with an extension pipe 37 in communication, one end of the extension pipe 37 far away from the main pipe 34 extends out of the soil layer and is provided with a plurality of delivery pipes 38 in communication, and the plurality of delivery pipes 38 are arranged at intervals along the length direction of the grid plate 5. With the duct 38 remote from the extension pipe 37 one end is communicated with a second spray head 39, the second spray head 39 is located on the grid plate 5 away from the storage chamber 22 and near the top of the grid plate 5. When the suction pump 32 is started, the water in the cleaning tank 31 also transports the main pipe 34 into the extension pipe 37, and then transports the water into the transport pipe 38 through the extension pipe 37, finally, the water is sprayed out from the second spray head 39, the sprayed rainwater sprays larger impurities on the grid plate 5 to the storage chamber 22, until the impurities are sprayed into the storage chamber 22 for storage, the larger impurities on the grid plate 5 are cleaned, and the influence on the smoothness of rainwater drainage into the water collection chamber 21 due to the accumulation of the impurities is further reduced.

Referring to fig. 2 and 4, a second filter 221 is fixedly disposed in the storage chamber 22 and the second filter 221 is adjacent to the bottom of the storage chamber 22, the impurities on the grid plate 5 and the first filter 211 will be cleaned on the second filter 221. Side wall of the partition plate 23 and length of the partition the direction is penetrated and opened with a backflow hole 232.

Referring to fig. 4, a baffle 222 is fixedly disposed in the storage chamber 22 and the baffle 222 is positioned right below the second filter 221, the end of the baffle 222 close to the partition plate 23 is arranged obliquely downwards, and the top of the baffle 222 close to the end of the partition plate 23 is flush with the inner bottom of the return hole 232. When the impurities on the grid plate 5 and the first filter screen 211 are cleaned, part of rainwater sprayed from the first spray head 36 and the second spray head 39 enters the storage chamber 22, flows to the return hole 232 along the inclination of the guide plate 222, flows to the water collecting chamber 21 from the return hole 232, and finally flows to the cleaning tank 31 and the water storage tank 6 from the water collecting chamber 21 for storage, so that the rainwater sprayed from the first spray head 36 and the second spray head 39 is collected again, and the cleaning tank 31 and the water storage tank 6 can collect enough rainwater; in addition, in rainy days, the rainwater can flow into the water collecting chamber 21 from the storage chamber 22 through the guide plate 222 and the backflow hole 232, and then flow into the cleaning tank 31 and the water storage tank 6 from the water collecting chamber 21 for collection.

Referring to fig. 4, the supporting assembly 4 is disposed between the second filter screen 221 and the guide plate 222, and since the impurities on the grid plate 5 and the first filter screen 211 are cleaned on the second filter screen 221 and the frequency of cleaning the impurities on the second filter screen 221 by the worker is low, the supporting assembly 4 can support the second filter screen 221 at this time, so that the second filter screen 221 is not easily damaged due to the overweight of the impurities.

Referring to fig. 4, the support assembly 4 includes a support rod 41 and a support screen 42, the support rod 41 is fixed to the top wall of the flow guide plate 222, in this embodiment, the number of the support rods 41 is three, and the three support rods 41 are arranged at intervals along the length direction of the flow guide plate 222. The supporting screen plate 42 is fixed on the top wall of the supporting rod 41, and the supporting screen plate 42 contacts with the bottom of the second filter screen 221, so that the effect of supporting the second filter screen 221 is achieved, and the smoothness of rainwater flowing can be improved through the supporting screen plate 42 with meshes.

Referring to fig. 5 and 6, four corners of the top wall of the grid plate 5 are rotatably connected with locking rods 51, the locking rods 51 penetrate through the top wall of the grid plate 5, locking holes 24 are formed in the top wall of the receiving groove body 2, the four locking holes 24 correspond to the four locking rods 51 one by one, and the locking rods 51 are connected in the locking holes 24 in a threaded mode.

By screwing the locking rod 51 into the locking hole 24, the grid plate 5 can be stably covered on top of the water collection chamber 21 when encountering windy weather; and because there is remaining impurity to pile up at first filter screen 211 along the ascending both ends of length direction on the first filter screen 211 after the clearance, consequently the staff can regularly twist out locking rod 51 from locking hole 24, then takes grid plate 5 away from the top of collecting chamber 21, clears up remaining impurity on the first filter screen 211 at last to make first filter screen 211 be difficult for piling up full of impurity along the both ends of length direction.

Referring to fig. 6, a magnetic sleeve 241 is fixedly disposed in the locking hole 24, the locking rod 51 is screwed into the sleeve 241, the locking rod 51 is also magnetic and magnetically attracted to the sleeve 241, after the locking rod 51 is screwed into the sleeve 241, the magnetic sleeve 241 is engaged with the locking rod 51, so that magnetic attraction is generated between the locking rod 51 and the sleeve 241, thereby further improving the stability of the grid plate 5.

The implementation principle of the composite lining slope protection structure of the precast bricks and the concrete grid beams is as follows: in rainy days, rainwater enters the water collecting chamber 21, and the rainwater in the water collecting chamber 21 is conveyed to the cleaning tank 31 through the communicating pipe 33 for storage; after first filter screen 211 filters impurity for a long time, can start suction pump 32 and drive the water in the cleaning box 31 and carry to the bleeder 35 in by being responsible for 34, spout by first shower nozzle 36 again, this moment spun rainwater spouts the impurity orientation on with first filter screen 211 to let hole 231 department, spout to storage chamber 22 in dropping to from letting hole 231 in and storing, thereby can regularly clear up accumulational impurity on first filter screen 211 through clearance subassembly 3, and then be difficult for because of impurity on first filter screen 211 is too much and influence the patency that the rainwater was discharged into when collecting to collecting chamber 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a prefabricated brick and concrete grid roof beam composite lining slope protection structure, includes prefabricated brick (12) of laying in the slope body (1) surface, the bottom of the slope body (1) has been seted up and has been accepted hole (11), accepts hole (11) internal fixation and is provided with and accepts cell body (2), and the top lid of accepting cell body (2) is equipped with grid plate (5), its characterized in that: accept in cell body (2) and be equipped with water-collecting chamber (21) and apotheca (22) through division board (23), grid plate (5) lid is located the top of water-collecting chamber (21), be provided with first filter screen (211) in water-collecting chamber (21), run through on division board (23) and seted up hole of stepping down (231), the bottom of the sloping body (1) be provided with be used for with impurity clearance on first filter screen (211) extremely clearance subassembly (3) of apotheca (22).

2. The precast brick and concrete grid beam composite lining slope protection structure according to claim 1, characterized in that: the cleaning assembly (3) comprises a cleaning box (31), a water suction pump (32), a communicating pipe (33), a main pipe (34), a branch pipe (35) and a first spray head (36), wherein the cleaning box (31) is buried in a soil layer at the bottom of the slope body (1), the communicating pipe (33) is connected between the water collecting chamber (21) and the cleaning box (31), the water suction pump (32) is fixed with the inner wall of the cleaning box (31), be responsible for (34) with suction pump (32) are connected and run through cleaning tank (31), lateral pipe (35) one end with be responsible for (34) intercommunication, the other end run through to in water collecting chamber (21), first shower nozzle (36) with lateral pipe (35) are located one end in water collecting chamber (21) is connected, just first shower nozzle (36) are located the top of first filter screen (211).

3. The prefabricated brick and concrete grid beam composite lining slope protection structure according to claim 2, characterized in that: the main pipe (34) is provided with an extension pipe (37) in a communicating mode, the extension pipe (37) is provided with a plurality of conveying pipes (38) in a communicating mode, one end, far away from the extension pipe (37), of each conveying pipe (38) is provided with a second spray head (39) in a communicating mode, and the second spray heads (39) are located at the top of the grid plate (5).

4. The precast brick and concrete grid beam composite lining slope protection structure according to claim 1, characterized in that: be provided with second filter screen (221) in apotheca (22), it has seted up backward flow hole (232) to run through on division board (23), apotheca (22) internal fixation is provided with guide plate (222) and is located the bottom of second filter screen (221), guide plate (222) are close to the one end slope of collecting chamber (21) sets up downwards, guide plate (222) are close to the top of collecting chamber (21) one end with the inner diapire of backward flow hole (232) flushes.

5. The precast brick and concrete grid beam composite lining slope protection structure according to claim 4, characterized in that: a supporting component (4) is arranged between the second filter screen (221) and the guide plate (222).

6. The prefabricated brick and concrete grid beam composite lining slope protection structure as claimed in claim 5, the method is characterized in that: the supporting assembly (4) comprises a supporting rod (41) and a supporting screen plate (42), one end of the supporting rod (41) is fixed with the guide plate (222), the other end of the supporting rod is fixed with the supporting screen plate (42), and the supporting screen plate (42) is in contact with the bottom of the second filter screen (221).

7. The prefabricated brick and concrete grid beam composite lining slope protection structure according to claim 1, characterized in that: the grid plate (5) is connected with a locking rod (51) in a rotating mode, the locking rod (51) penetrates through the grid plate (5), a locking hole (24) is formed in the bearing groove body (2), and the locking rod (51) is connected in the locking hole (24) in a threaded mode.

8. The precast brick and concrete grid beam composite lining slope protection structure according to claim 7, characterized in that: the locking hole (24) is internally and fixedly provided with a magnetic sleeve (241), the locking rod (51) is in threaded connection with the inside of the sleeve (241), and the locking rod (51) has magnetism and is magnetically attracted to the sleeve (241).

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