CN116043806A

CN116043806A - Construction process for highway soft foundation

Info

Publication number: CN116043806A
Application number: CN202310184424.7A
Authority: CN
Inventors: 孙庆珠; 冯大财; 刘强; 王雷; 廖良栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-05-02

Abstract

The invention discloses a highway soft foundation construction process, which is used for constructing a highway soft foundation, and is realized by a highway soft foundation construction device, the highway soft foundation construction process is characterized in that a filling mechanism is arranged for replacing and filling the soft foundation, a traction rope is used for controlling a sand storage box and a mixed solution storage box to swing reciprocally, sand in the sand storage box is intermittently added under the action of a telescopic rod and a plugging plate, and then a discharging part is intermittently added with mixed solution to a pit digging position under the action of a push shovel, so that the filling work of the soft foundation is realized, and the manual labor is effectively reduced; the cam controls the reciprocating block to do left-right reciprocating motion through the reciprocating rod by setting the compacting mechanism to scrape and compact the filled position, and the reciprocating block controls the compacting block to further compact the scraped position under the action of the lower connecting rod and the upper connecting rod, so that the problems of building collapse and the like caused by gaps in soil are effectively prevented.

Description

Construction process for highway soft foundation

Technical Field

The invention relates to the technical field of highway construction, in particular to a highway soft foundation construction process.

Background

The roadbed is a foundation of a road surface or a track, and is a geotechnical structure formed by excavation or filling. The subgrade mainly aims to provide necessary conditions for pavement or track laying and train or driving operation, bear static load and dynamic load of tracks and rolling stock or pavement and traffic load, and simultaneously transmit and diffuse the load to the deep part of the foundation, but if the foundation is not firm enough before filling, in order to prevent accidents such as unstable structures and the like caused by sinking, pulling and cracking of the foundation after filling, the soft foundation needs to be treated, so that the settlement of the soft foundation becomes stable until the bearing capacity of the foundation can meet design requirements.

The filling-replacing treatment method is also a common method in the highway soft foundation treatment, is suitable for the treatment operation of the shallow soft foundation, and can be subdivided into two modes of forced removal and digging-out filling-replacing. The principle of the replacement and filling treatment method is that shallow foundation layers or all soft soil in a fixed range are all dug out, normal soil with high bearing capacity is used for layered backfilling in a digging pit, a certain soft foundation soil repairing effect is achieved, in the prior art, when the soft foundation of the highway is subjected to replacement and filling treatment, a worker is required to add fillers such as sandy soil, mixed liquid and the like into the digging pit, backfilling efficiency is poor, gaps are generated in the soil due to uneven soil, and the problem of building collapse and the like due to loose geology is caused, so that a construction process capable of efficiently filling the soft foundation of the highway is required in the market.

Disclosure of Invention

The invention aims to provide a highway soft foundation construction process for solving the problems set forth in the background.

In order to achieve the above purpose, the present invention provides the following technical solutions: a highway soft foundation construction process for constructing a highway soft foundation, the highway soft foundation construction process is realized by a highway soft foundation construction device, and the highway soft foundation construction process comprises the following working steps:

step one: the digging mechanism performs digging work on the road surface;

step two: the filling mechanism intermittently adds sand and mixed liquid to the road surface;

step three: the compacting mechanism is used for carrying out scraping and compacting on the filled pavement.

Preferably, the highway soft foundation construction device comprises a bottom plate, a plurality of moving wheels are arranged on the lower end face of the bottom plate, a working frame is fixedly connected to the left side of the upper end face of the bottom plate, a traction part is fixedly connected to the left side of the working frame, and a pit digging mechanism for digging pits on a highway is arranged on the lower side of the working frame; the lower side of the working frame is provided with a filling mechanism for intermittently adding sand and mixed liquid to the highway; the upper side of the bottom plate is provided with a compacting mechanism for compacting the filled pavement.

Preferably, the compaction mechanism comprises a traction rope and a connecting shaft, the compaction mechanism controls the filling mechanism to carry out feeding work through the traction rope, the upper end face of the working frame is fixedly connected with a fixing frame, the upper side of the fixing frame is rotationally connected with one end of a matching rod, the other end of the matching rod is rotationally connected with a movable rod, the lower end of the movable rod is fixedly connected with a compaction block, the surface of the movable rod is rotationally connected with one end of an upper connecting rod, the other end of the upper connecting rod is rotationally connected with the connecting shaft, the upper connecting rod is rotationally connected with the fixing frame, the surface of the connecting shaft is rotationally connected with one end of a lower connecting rod, and the other end of the lower connecting rod is rotationally connected with a reciprocating block.

Preferably, the left end of the reciprocating block is rotationally connected with one end of a reciprocating rod, the other end of the reciprocating rod is rotationally connected with a cam, a driving motor is fixedly arranged on the left side of the fixing frame on the upper end face of the working frame, the output end of the driving motor is fixedly connected with the cam, the lower end face of the reciprocating block is fixedly connected with a traction rope, the lower side of the traction rope is provided with a scraping block, and the connecting shaft is fixedly connected with the traction rope.

Preferably, the filling mechanism comprises a sand storage box, guide shafts are fixedly connected to the front side and the rear side of the sand storage box, the guide shafts are rotationally connected with a working frame, a material conveying plate is fixedly communicated to the front side and the rear side of the lower end of the sand storage box, a pushing shovel is arranged on the lower end face of the guide shafts, a mixed liquid storage box is fixedly connected to the right end face of the sand storage box, the mixed liquid storage box is fixedly connected with a traction rope, a limiting rod is arranged on the surface of the traction rope, connecting blocks are fixedly connected to the front side and the rear side of the lower end face of the limiting rod, a bearing part is fixedly connected to the lower end face of each connecting block, and the bearing part is fixedly connected with the working frame.

Preferably, the lower terminal surface fixed communication of mixed liquor bin has the flitch, the downside fixed communication of flitch has the discharge part, the surface sliding connection of flitch has the shutoff frame, the inside of flitch is provided with the spring, shutoff frame and spring fixed connection, the shutoff frame sets up the right side of putting the shovel in, the upside rotation of defeated flitch is connected with the shutoff board, the upside of shutoff board is provided with the telescopic link, the fixed surface of telescopic link is connected with the carrier bar.

Preferably, the pit digging mechanism comprises a transmission rod, the transmission rod is movably connected to the middle of the bearing part, the output end of the driving motor is in transmission connection with the transmission rod through a belt, the left end face of the bearing part is fixedly connected with a connecting frame, the left end of the connecting frame is rotationally connected with a protective shell, the inside of the protective shell is rotationally connected with a driven rod, the transmission rod is in transmission connection with the driven rod through a belt, and the surface of the driven rod is fixedly connected with a plurality of soil shovels.

Preferably, the connecting frame, the protecting shell and the driven rod are all provided with two groups, the two groups are symmetrically arranged around the sand storage box, the telescopic rod is fixedly connected with the protecting shell, and the plugging frame is in sliding connection with the connecting frame.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the soft foundation is replaced and filled by arranging the filling mechanism, the traction rope controls the sand storage box and the mixed solution storage box to swing back and forth, sand in the sand storage box is intermittently added into the sand under the action of the telescopic rod and the plugging plate, and then the discharging part is intermittently added with the mixed solution to the pit under the action of the pushing shovel, so that the soft foundation is filled, and the manual labor force is effectively reduced;

2. according to the invention, the filled position is scraped and compacted by arranging the compacting mechanism, the cam controls the reciprocating block to do left and right reciprocating motion through the reciprocating rod, the reciprocating block controls the scraping block to scrape the filled position, and the reciprocating block controls the movable rod to do up and down reciprocating motion under the action of the lower connecting rod and the upper connecting rod, so that the compacting block is used for further compacting the scraped position, and the problems of building collapse and the like caused by gaps generated in soil are effectively prevented;

3. according to the invention, the pit digging mechanism is arranged to prevent the mixed liquid from flowing outwards, the driving rod drives the driven rod to rotate through the belt, the driven rod controls the soil digging shovel to dig pits on two sides, the dug soil is piled on two sides of the push shovel, the waste of resources caused by the outflow of the mixed liquid from the discharging part is prevented, and the construction efficiency of the device is further improved.

Drawings

FIG. 1 is a schematic diagram of a construction device for highway soft foundation according to the present invention;

fig. 2 is a schematic structural view of a hidden working frame of a highway soft foundation construction device according to the present invention;

FIG. 3 is a front view of the connection between the filling mechanism and the compacting mechanism according to the present invention;

FIG. 4 is a front view showing the connection between the compacting mechanism and the fixing frame according to the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 2 at A;

FIG. 6 is a schematic diagram of a mixed liquor storage tank according to the present invention;

FIG. 7 is a front view of a hidden working frame of a highway soft foundation construction device according to the present invention;

FIG. 8 is a bottom view of a highway soft foundation construction device according to the present invention;

FIG. 9 is a flow chart of steps of a construction process for highway soft foundation according to the present invention;

in the figure: 1. a bottom plate; 2. a moving wheel; 3. a work frame; 4. a traction section; 5. a fixing frame; 6. a driving motor; 7. a connecting block; 8. a carrying part; 9. a limit rod; 100. a pit digging mechanism; 101. a transmission rod; 102. a connecting frame; 103. a protective shell; 104. a driven rod; 105. a shovel; 200. a filling mechanism; 202. a sand storage box; 203. a guide shaft; 204. a material conveying plate; 205. a mixed liquid storage tank; 206. a blanking plate; 207. a plugging frame; 208. a discharging part; 209. pushing shovel; 210. a plugging plate; 211. a carrier bar; 212. a telescopic rod; 300. a compacting mechanism; 301. a cam; 302. a reciprocating lever; 303. a reciprocating block; 304. a lower connecting rod; 305. an upper connecting rod; 306. a connecting shaft; 307. a mating lever; 308. a movable rod; 309. compacting the blocks; 310. scraping the block; 311. a traction rope.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the embodiments of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention.

Referring to fig. 1 to 9, the present invention provides a technical solution: the highway soft foundation construction process is used for constructing a highway soft foundation, and is realized by a highway soft foundation construction device and comprises the following working steps:

step one: the pit digging mechanism 100 performs pit digging work on a road surface;

step two: the filling mechanism 200 intermittently adds sand and mixed liquor to the road surface;

step three: the compacting mechanism 300 smoothes and compacts the filled road surface.

The highway soft foundation construction device comprises a bottom plate 1, wherein a plurality of moving wheels 2 are arranged on the lower end surface of the bottom plate 1, a working frame 3 is fixedly connected to the left side of the upper end surface of the bottom plate 1, a traction part 4 is fixedly connected to the left side of the working frame 3, and a pit digging mechanism 100 for digging pit on a highway is arranged on the lower side of the working frame 3; the lower side of the working frame 3 is provided with a filling mechanism 200 for intermittently adding sand and mixed liquid to the highway; the upper side of the bottom plate 1 is provided with a compacting mechanism 300 for compacting the filled road surface.

The compaction mechanism 300 comprises a traction rope 311 and a connecting shaft 306, the compaction mechanism 300 controls the filling mechanism 200 to perform feeding operation through the traction rope 311, the upper end face of the working frame 3 is fixedly connected with a fixing frame 5, the upper side of the fixing frame 5 is rotationally connected with one end of a matching rod 307, the other end of the matching rod 307 is rotationally connected with a movable rod 308, the lower end of the movable rod 308 is fixedly connected with a compaction block 309, the surface of the movable rod 308 is rotationally connected with one end of an upper connecting rod 305, the other end of the upper connecting rod 305 is rotationally connected with the connecting shaft 306, the upper connecting rod 305 is rotationally connected with the fixing frame 5, the surface of the connecting shaft 306 is rotationally connected with one end of a lower connecting rod 304, and the other end of the lower connecting rod 304 is rotationally connected with a reciprocating block 303.

Further, one end of a reciprocating rod 302 is rotatably connected to the left end of the reciprocating block 303, a cam 301 is rotatably connected to the other end of the reciprocating rod 302, a driving motor 6 is fixedly mounted on the left side of the fixing frame 5 on the upper end face of the working frame 3, the output end of the driving motor 6 is fixedly connected with the cam 301, a traction rope 311 is fixedly connected to the lower end face of the reciprocating block 303, a strickle block 310 is arranged on the lower side of the traction rope 311, and a connecting shaft 306 is fixedly connected with the traction rope 311.

The filling mechanism 200 comprises a sand storage box 202, wherein guide shafts 203 are fixedly connected to the front side and the rear side of the sand storage box 202, the guide shafts 203 are rotationally connected with a working frame 3, a material conveying plate 204 is fixedly communicated to the front side and the rear side of the lower end of the sand storage box 202, a pushing shovel 209 is arranged on the lower end face of the guide shafts 203, a mixed liquid storage box 205 is fixedly connected to the right end face of the sand storage box 202, the mixed liquid storage box 205 is fixedly connected with a traction rope 311, a limiting rod 9 is arranged on the surface of the traction rope 311, a connecting block 7 is fixedly connected to the front side and the rear side of the lower end face of the limiting rod 9, a bearing part 8 is fixedly connected to the lower end face of the connecting block 7, and the bearing part 8 is fixedly connected with the working frame 3.

Further, a discharging plate 206 is fixedly communicated with the lower end face of the mixed liquid storage box 205, a discharging portion 208 is fixedly communicated with the lower side of the discharging plate 206, a plugging frame 207 is slidably connected to the surface of the discharging plate 206, a spring is arranged in the discharging plate 206, the plugging frame 207 is fixedly connected with the spring, the plugging frame 207 is arranged on the right side of a pushing shovel 209, a plugging plate 210 is rotatably connected to the upper side of the feeding plate 204, a telescopic rod 212 is arranged on the upper side of the plugging plate 210, and a bearing rod 211 is fixedly connected to the surface of the telescopic rod 212.

The pit digging mechanism 100 comprises a transmission rod 101, the transmission rod 101 is movably connected to the middle of the bearing part 8, the output end of the driving motor 6 is in transmission connection with the transmission rod 101 through a belt, the left end face of the bearing part 8 is fixedly connected with a connecting frame 102, the left end of the connecting frame 102 is rotationally connected with a protective shell 103, the inside of the protective shell 103 is rotationally connected with a driven rod 104, the transmission rod 101 is in transmission connection with the driven rod 104 through a belt, and the surface of the driven rod 104 is fixedly connected with a plurality of soil shovels 105.

In order to further improve the working efficiency of the device, the connecting frame 102, the protecting shell 103 and the driven rod 104 are provided with two groups, and are symmetrically arranged in front and back along the sand storage box 202, the telescopic rod 212 is fixedly connected with the protecting shell 103, and the plugging frame 207 is in sliding connection with the connecting frame 102.

Working principle: after the device is installed, the device is connected with the traction part 4 through traction equipment, the traction equipment drags the device to move, a control switch of the driving motor 6 is turned on, the output end of the driving motor 6 drives the transmission rod 101 to rotate through a belt, the transmission rod 101 drives the driven rod 104 to rotate through the belt, the driven rod 104 drives the shovel 105 fixedly connected with the driven rod to rotate, and the shovel 105 digs soil on a road;

the output end of the driving motor 6 drives a cam 301 fixedly connected with the driving motor to rotate, the cam 301 drives a reciprocating block 303 to do left-right reciprocating motion through a reciprocating rod 302, the reciprocating block 303 drives a strickling block 310 fixedly connected with the reciprocating block 303 to do left-right reciprocating motion, the reciprocating block 303 drives a lower connecting rod 304 to do reciprocating swing, the lower connecting rod 304 drives an upper connecting rod 305 to do reciprocating swing under the action of a connecting shaft 306, and the upper connecting rod 305 drives a movable rod 308 to do up-down reciprocating motion under the action of a matching rod 307;

the connecting shaft 306 pulls the blanking plate 206 to swing reciprocally around the guide shaft 203 through the driving motor 6, the sand storage box 202 achieves intermittent falling of sand under the action of the telescopic rod 212 and the plugging plate 210, mixed liquid in the mixed liquid storage box 205 flows into the plugging frame 207 through the blanking plate 206, the guide shaft 203 controls the plugging frame 207 to do reciprocal motion through the pushing shovel 209, the plugging frame 207 controls the mixed liquid storage box 205 to intermittently add mixed liquid under the action of the pushing shovel 209 and a spring, the pushing shovel 209 turns over the added sand, then the discharging part 208 adds mixed liquid to the turning place, the soil produced by digging soil by the front side and the rear side soil digging shovel 105 can further prevent the mixed liquid from flowing out, the reciprocating block 303 drives the scraping block 310 to do left and right reciprocal motion, the scraping block 310 scrapes the soil, then the movable rod 308 controls the compacting block 309 to do further compaction work on the scraped soil, and further achieves construction work on the current road section.

In the description of the present invention, the terms "first," "second," "another," "yet another" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and scope of the invention as defined by the claims and their equivalents.

Claims

1. The utility model provides a highway soft foundation construction process for construct highway soft foundation, its characterized in that: the highway soft foundation construction process is realized by a highway soft foundation construction device, and comprises the following working steps:

step one: the pit digging mechanism (100) performs pit digging work on the road surface;

step two: the filling mechanism (200) intermittently adds sand and mixed liquid to the road surface;

step three: a compacting mechanism (300) performs screeding and compaction on the filled road surface.

2. The highway soft foundation construction process according to claim 1, wherein: the highway soft foundation construction device comprises a bottom plate (1), a plurality of moving wheels (2) are arranged on the lower end face of the bottom plate (1), a working frame (3) is fixedly connected to the left side of the upper end face of the bottom plate (1), a traction part (4) is fixedly connected to the left side of the working frame (3), and a pit digging mechanism (100) for digging a pit on a highway is arranged on the lower side of the working frame (3); a filling mechanism (200) for intermittently adding sand and mixed liquid to the highway is arranged at the lower side of the working frame (3); the upper side of the bottom plate (1) is provided with a compacting mechanism (300) for compacting the filled pavement.

3. The highway soft foundation construction process according to claim 2, wherein: the compaction mechanism (300) comprises a traction rope (311) and a connecting shaft (306), the compaction mechanism (300) is used for feeding through the traction rope (311) to control the filling mechanism (200), the upper end face of the working frame (3) is fixedly connected with a fixing frame (5), one end of a matching rod (307) is rotationally connected to the upper side of the fixing frame (5), a movable rod (308) is rotationally connected to the other end of the matching rod (307), a compaction block (309) is fixedly connected to the lower end of the movable rod (308), one end of an upper connecting rod (305) is rotationally connected to the surface of the movable rod (308), the other end of the upper connecting rod (305) is rotationally connected with the connecting shaft (306), one end of a lower connecting rod (304) is rotationally connected to the surface of the connecting shaft (306), and a reciprocating block (303) is rotationally connected to the other end of the lower connecting rod (304).

4. A highway soft foundation construction process according to claim 3, wherein: the left end of reciprocating block (303) rotates the one end that is connected with reciprocating rod (302), the other end of reciprocating rod (302) rotates and is connected with cam (301), the left side of mount (5) is in up end fixed mounting of work frame (3) have driving motor (6), the output and the cam (301) fixed connection of driving motor (6), the lower terminal surface fixedly connected with haulage rope (311) of reciprocating block (303), the downside of haulage rope (311) is provided with strickle piece (310), connecting axle (306) and haulage rope (311) fixed connection.

5. The highway soft foundation construction process according to claim 4, wherein: the filling mechanism (200) comprises a sand storage box (202), guide shafts (203) are fixedly connected to the front side and the rear side of the sand storage box (202), the guide shafts (203) are rotationally connected with a working frame (3), a material conveying plate (204) is fixedly communicated with the front side and the rear side of the lower end of the sand storage box (202), a pushing shovel (209) is arranged on the lower end face of the guide shafts (203), a mixed liquid storage box (205) is fixedly connected to the right end face of the sand storage box (202), the mixed liquid storage box (205) is fixedly connected with a traction rope (311), a limiting rod (9) is arranged on the surface of the traction rope (311), a connecting block (7) is fixedly connected to the front side and the rear side of the lower end of the limiting rod (9), a bearing part (8) is fixedly connected to the lower end face of the connecting block (7), and the bearing part (8) is fixedly connected with the working frame (3).

6. The highway soft foundation construction process according to claim 5, wherein: the utility model discloses a mixed liquor storage box, including mixed liquor bin (205), lower terminal surface fixed intercommunication of mixed liquor bin (205) has flitch (206), the downside fixed intercommunication of flitch (206) has discharge part (208), the surface sliding connection of flitch (206) has shutoff frame (207), the inside of flitch (206) is provided with the spring, shutoff frame (207) and spring fixed connection, shutoff frame (207) set up in the right side of pushing away shovel (209), the upside rotation of material conveying board (204) is connected with shutoff board (210), the upside of shutoff board (210) is provided with telescopic link (212), the fixed surface of telescopic link (212) is connected with carrier bar (211).

7. The highway soft foundation construction process according to claim 6, wherein: the pit digging mechanism (100) comprises a transmission rod (101), the transmission rod (101) is movably connected to the middle of a bearing part (8), the output end of a driving motor (6) is in transmission connection with the transmission rod (101) through a belt, the left end face of the bearing part (8) is fixedly connected with a connecting frame (102), the left end of the connecting frame (102) is rotationally connected with a protective shell (103), the inside of the protective shell (103) is rotationally connected with a driven rod (104), the transmission rod (101) is in transmission connection with the driven rod (104) through a belt, and the surface of the driven rod (104) is fixedly connected with a plurality of soil digging shovels (105).

8. The highway soft foundation construction process according to claim 7, wherein: the sand storage box is characterized in that two groups of connecting frames (102), protective shells (103) and driven rods (104) are arranged and symmetrically arranged around the sand storage box (202), the telescopic rods (212) are fixedly connected with the protective shells (103), and the plugging frames (207) are in sliding connection with the connecting frames (102).