CN113668503B - Grouting device and grouting method for highway bridge construction - Google Patents
Grouting device and grouting method for highway bridge construction Download PDFInfo
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- CN113668503B CN113668503B CN202111002850.1A CN202111002850A CN113668503B CN 113668503 B CN113668503 B CN 113668503B CN 202111002850 A CN202111002850 A CN 202111002850A CN 113668503 B CN113668503 B CN 113668503B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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Abstract
The invention discloses a grouting device and a grouting method for highway bridge construction, and belongs to the technical field of highway bridge construction. The utility model provides a grouting device and slip casting method for highway bridge construction, the on-line screen storage device comprises a base, the drilling rod outer wall is annular equidistant a plurality of tooth posts of having set firmly for the position of gear, it has the frame to remove seat outside cover, it has set firmly two sliders to remove seat both sides outer wall for symmetrical structure, the perpendicular groove has been seted up for the position of slider inboard end to the frame both sides, compression spring has set firmly between slider bottom surface and the perpendicular tank bottom surface, it has two gyro wheels to remove seat both sides outer wall and rotate to be connected with for symmetrical structure, the wheel groove has been seted up for the position of gyro wheel to the frame inner wall. The invention can easily insert the drill rod into the crack or the empty drum position, can help staff to conveniently and rapidly judge the injection amount of the cement mortar, improves the accuracy of crack grouting filling work, and simultaneously strengthens grouting efficiency, and has strong practicability.
Description
Technical Field
The invention relates to the technical field of highway bridge construction, in particular to a grouting device and a grouting method for highway bridge construction.
Background
In the road construction process, a foundation with proper size needs to be built first, cracks or holes are easily generated in the rock foundation, if the cracks or holes are not filled in time, the quality of the built road is affected, the safety of vehicles driving through the road is extremely unfavorable, the existing grouting method is that after the cracks and hollows are detected by workers, the existing grouting method utilizes hollow rods to be inserted into the foundation and extend into the cracks or hollows, then certain curable slurry is injected into the cracks or hollows of the rock foundation through the hollow rods to fill the cracks or hollows, in this process, the hollow rods are manually inserted by the workers, if a construction area is located in a hard area, the process of inserting the hollow rods is extremely time-consuming and labor-consuming, and therefore, an electric grouting device for road bridge construction is needed.
In the prior art CN112360505A, an anchor rod mechanism, a driving mechanism, a grouting mechanism and a propelling mechanism are arranged, so that the integration of drilling, grouting anchoring and pre-tightening can be realized, but soil can be drilled into a grouting channel along a grouting hole at a drill bit in the process of penetrating through a soil layer, if the empty drum position is deeper, a large amount of soil is accumulated in the grouting channel to cause blockage, and slurry can not be smoothly filled into empty drums or cracks; in addition, in the CN211258495U, the grouting pipe is communicated with the rotating groove formed in the drill bit to realize grouting after drilling, but the rotating ring and the rotating groove which are in rotation fit are not formed at the joint of the grouting pipe and the rotating groove on the drill bit, so that the grouting pipe is driven to rotate along with the drill bit when the drill bit rotates, and the grouting pipe is wound around the drill bit to damage the drill bit.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a grouting device and a grouting method for highway bridge construction, which are used for solving the problems in the background technology.
2. Technical proposal
The grouting device for highway bridge construction and the grouting method thereof comprise a base, a supporting seat is arranged above the base, four support plates are fixedly arranged at four corners of the bottom surface of the supporting seat in a symmetrical structure, threaded holes are formed in the left side of the top surface of the supporting seat, a drill rod is inserted into the threaded holes, external threads are formed in the outer wall of the drill rod, the threaded holes are in threaded connection with the external threads, two drilling cutters are fixedly arranged at the lower end of the drill rod, penetrating through the threaded holes, extend to the lower part, in a symmetrical structure, a drill bit is fixedly arranged between the lower ends of the two drilling cutters, a plurality of connecting rods are fixedly arranged on the top surface of the drill bit in an annular equidistant manner, positioning holes are formed in the top surface of the base relative to the drill bit, a grouting cavity is internally penetrated and formed in the drill rod, a plurality of transparent acrylic plates are linearly and equidistantly embedded in the vertical direction of the outer wall of the grouting cavity, the lower end of the inner wall of the grouting cavity is fixedly provided with a limit ring, a baffle is arranged above the limit ring, the middle part of the top surface of the baffle is coaxially and fixedly provided with a plug column, a fixed column is arranged above the plug column, the outer wall of the fixed column is fixedly connected with the inner wall of the grouting cavity through a plurality of annular equidistant connecting plates, the middle part of the bottom surface of the fixed column is provided with a column groove, the middle parts of the outer wall of the baffle and the middle part of the outer wall of the plug column are respectively sleeved with a sealing ring, the inner wall of the limit ring and the inner wall of the column groove are respectively provided with a sealing groove relative to the positions of the sealing rings, the baffle is in plug-in fit with the limit ring, the plug column is in plug-in fit with the column groove, the sealing rings are in joint fit with the sealing grooves, the middle part of the top surface of the column groove is hinged with a push rod A, the lower end of the push rod A is hinged with a push rod B, the lower end of the push rod B is hinged with the top surface of the plug column, a hydraulic rod is arranged between the push rod A and the push rod B, the hydraulic rod is hinged with the push rod A back wall and the push rod B back wall respectively at the upper and lower ends, coaxial fixedly connected with of drilling rod upper end rotates the seat, it is equipped with metal collapsible tube to rotate the seat middle part in the past, inside being linked together with the slip casting chamber through rotating the seat inside of metal collapsible tube, drilling rod outer wall upper end rotates the cover and is equipped with the removal seat, it has set firmly servo motor to remove seat top surface left side, servo motor output runs through and removes the seat and extends to the lower part and coaxial fixedly connected with gear, the drilling rod outer wall is annular equidistant for the position of gear and has set firmly a plurality of tooth posts, the gear is connected with tooth post meshing, it is equipped with the frame to remove the seat outside cover, the lower extreme fixed connection of frame is in the supporting seat upper end, it is symmetrical structure and has set firmly two sliders to remove the outer wall of seat both sides for the position of slider, set firmly compression spring between slider bottom surface and the vertical groove bottom, it has two gyro wheels to rotate to remove seat both sides outer wall, the frame has set up the race for the position of gyro wheel.
Preferably, the drilling cutters are of spiral structures, the two drilling cutters and the drill rod are located on the same axis, the drill bit is of inverted cone structures, and the upper ends of the connecting rods are fixedly connected with the edge of the bottom surface of the drill rod.
Preferably, the outer wall of the drill rod is sleeved with a circular ring relative to the position of the movable seat, a circular groove is formed in the position of the movable seat relative to the circular ring, and the circular ring is rotationally connected with the circular groove.
Preferably, the rotating seat is of a hollow round table structure, the outer wall of the metal hose is sleeved with a plurality of rotating rings at equal intervals in a linear mode relative to the position of the rotating seat, the inner wall of the rotating seat is provided with annular grooves relative to the positions of the rotating rings, and the rotating rings are rotationally connected with the annular grooves.
Preferably, the top ring is fixedly arranged at the right end of the top surface of the movable seat through a cylinder, the right end of the metal hose penetrates through the inside of the top ring to extend to the lower right side and is connected with a grouting pump, and the bottom surface of the grouting pump is fixedly connected with the right side of the top surface of the supporting seat.
Preferably, the gear is meshed with the tooth column, the inside of the outer frame is in sliding contact with the outer wall of the movable seat, the inner side end of the sliding block is in sliding fit with the vertical groove, and the annular outer wall of the roller is in rolling contact with the roller groove.
Preferably, the support plate is of an inclined structure with the inner part high and the outer part low, and the lower end of the support plate is fixedly connected with the top surface of the base.
Preferably, the positions of the transparent acrylic plates and the positions of the external threads are staggered, the front wall of the transparent acrylic plate is of a cambered surface structure with the radian identical to that of the front wall of the drill rod, and the positions of the front side and the rear side of the outer frame, corresponding to the drill rod, are provided with observation grooves.
A grouting method of a grouting device for highway bridge construction, the method comprising:
s1, detecting hollows and cracks on a highway foundation, when the hollows and the cracks are found, corresponding the positioning holes of the device to the positions of the hollows or the cracks, and then connecting a servo motor and a grouting pump in the device with an external power supply through wires;
s2, driving a gear to rotate by using a servo motor, driving a drill rod to rotate by using a gear column, enabling the drill rod to move downwards along a threaded hole and simultaneously rotate under the threaded connection of external threads on the outer wall of the drill rod and the threaded hole, and enabling a drill bit to penetrate through a positioning hole and break soil at the moment to drive the drill rod to drill into a soil layer;
s3, when the depth to be drilled reaches the position of a blank or a crack to be measured, a worker firstly manipulates the hydraulic rod to shorten, so that a sealing ring on the outer wall of the baffle is separated from a sealing groove on the inner wall of the limit ring, the inserted column is inserted into the column groove, and the sealing ring on the outer wall of the inserted column is clamped with the sealing groove on the inner wall of the column groove, then cement mortar can be injected into the grouting cavity by using the grouting pump, and finally the cement mortar passes through the grouting cavity and is filled into the crack or the blank along the opening end on the lower side of the grouting cavity;
s4, in the injection process, workers can observe the condition of the inside of the grouting cavity through a plurality of transparent acrylic plates embedded in the outer wall of the drill rod through the observation grooves of the outer frame, when the top surface position of cement mortar can be observed through the transparent acrylic plates, continuous injection is stopped, finally the drill rod is pulled out by reversing the servo motor, and thus the grouting filling work for cracks or hollows in the highway foundation is completed.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
1. the invention is provided with the drill rod, the drill bit and the drill bit, the servo motor is utilized to drive the gear to rotate, the toothed column is driven to drive the drill rod to rotate in the process of rotating the gear, the drill rod moves downwards along the threaded hole and rotates simultaneously under the threaded connection of the external threads on the outer wall of the drill rod and the threaded hole, at the moment, the drill bit penetrates through the positioning hole and breaks the soil to drive the drill rod to drill into the soil layer, in the rotation of the drill bit, the soil on the inner wall of the drill hole can be easily broken and is shifted to two sides, and in addition, the structure also enables excessive soil which cannot be accumulated between the drill bits to avoid gaps to be blocked by the soil, so the drill rod can be easily inserted into the positions of the cracks or the hollows, and compared with the manual insertion of the hollow rod, the drill rod is more convenient and rapid, time and labor are saved, and the grouting efficiency is improved.
2. The invention is provided with the baffle, the fixed column and the hydraulic rod, the baffle can be inserted into the limit ring in the rotary descending process of the drill rod, the sealing structure can be formed at the lower opening end of the grouting cavity through the insertion fit between the outer sealing ring and the sealing groove on the inner wall of the limit ring, so that soil can not be drilled into the grouting cavity from the lower opening end of the grouting cavity when the drill rod drills downwards, the problem of blockage caused by the filling of the grouting cavity with excessive soil is avoided, the servo motor can be stopped after the drilling is moved to a proper position, the hydraulic rod can be controlled to be shortened later, the included angle between the push rod A and the push rod B in the shortening process of the hydraulic rod can be reduced, the baffle can be lifted up, the inserted column can be inserted into the column groove, the sealing ring on the outer side of the inserted column can be clamped with the sealing groove in the column groove, the hydraulic rod can not be damaged due to the filling of cement mortar into the grouting process, the grouting cavity is improved, and the service life of the device can be effectively prolonged.
3. The front wall of the grouting cavity is embedded with the transparent acrylic plates at equal intervals in a linear manner, workers can clearly observe the conditions inside the grouting cavity through the transparent acrylic plates, and can accurately grasp the position of the top surface of the cement mortar in the grouting process, so that the grouting amount of the cement mortar can be conveniently and rapidly judged, the filling effect can be avoided due to too little grouting, waste caused by too much grouting can be avoided, and the accuracy of crack grouting filling work is improved.
4. According to the invention, two sliding blocks and rollers are symmetrically arranged on two sides of the movable seat, the inner side ends of the sliding blocks are in sliding fit with the vertical grooves, compression springs are fixedly arranged between the bottom surfaces of the sliding blocks and the bottom surfaces of the vertical grooves, the weight of the movable seat can be shared by the elastic force of the compression springs when the movable seat is positioned at the uppermost position, the trouble caused by the fact that the movable seat falls into grouting work independently due to the weight of a drill rod is avoided, the rollers are rotationally connected to the outer walls of the two sides of the movable seat in a symmetrical structure, the friction force generated between the movable seat and the inner wall of the outer frame in the descending and ascending processes of the movable seat can be reduced through the rolling contact of the rollers and the wheel grooves, the load of a servo motor is effectively reduced, the device can run more stably, and the grouting work efficiency is greatly improved.
5. The invention is provided with the rotating seat, and the inner wall of the rotating seat is in rotary connection with the outer wall of the metal hose through the plurality of rotary rings which are fixedly arranged at equal intervals in a linear way, so that the sealing performance of the joint of the rotating seat and the metal hose is ensured through the labyrinth type waterproof structure, and meanwhile, the rotation of the drill rod can not influence the metal hose, and the damage caused by the rotation of the metal hose is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional top surface of an outer frame according to the present invention;
FIG. 4 is a schematic view of the drill pipe and grouting pump of the present invention;
FIG. 5 is a schematic view of a movable seat and a drill rod according to the present invention;
FIG. 6 is a schematic cross-sectional view of a drill rod of the present invention;
fig. 7 is a schematic cross-sectional view of a fixing column according to the present invention.
The reference numerals in the figures illustrate: 1. a base; 2. a support base; 3. a support plate; 4. a threaded hole; 5. a drill rod; 6. an external thread; 7. a drill; 8. a drill bit; 9. a connecting rod; 10. positioning holes; 11. grouting cavity; 12. a transparent acrylic plate; 13. a limit ring; 14. a baffle; 15. inserting a column; 16. fixing the column; 17. a connecting plate; 18. a column groove; 19. a seal ring; 20. sealing grooves; 21. a push rod A; 22. a push rod B; 23. a hydraulic rod; 24. a rotating seat; 25. a metal hose; 26. a swivel; 27. a ring groove; 28. a movable seat; 29. a circular ring; 30. a circular groove; 31. a cylinder; 32. a top ring; 33. a grouting pump; 34. a servo motor; 35. a gear; 36. tooth columns; 37. an outer frame; 38. a slide block; 39. a vertical groove; 40. a compression spring; 41. a roller; 42. wheel groove.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "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 present invention and simplifying the description, and do not indicate or imply that the apparatus 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 present invention.
In the description of the present invention, the meaning of "a 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 "mounted," "configured to," "engaged with," "connected to," and the like 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, and can be communication between two elements. 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.
Referring to fig. 1-7, the present invention provides a technical solution:
the grouting device for highway bridge construction and the grouting method thereof comprise a base 1, a supporting seat 2 is arranged above the base 1, four support plates 3 are fixedly arranged at four corners of the bottom surface of the supporting seat 2 in a symmetrical structure, threaded holes 4 are formed in the left side of the top surface of the supporting seat 2, a drill rod 5 is inserted into the threaded holes 4, external threads 6 are formed in the outer wall of the drill rod 5, the threaded holes 4 are in threaded connection with the external threads 6, the lower end of the drill rod 5 penetrates through the threaded holes 4 to extend to the lower part and is fixedly provided with two drilling cutters 7 in a symmetrical structure, a drill bit 8 is fixedly arranged between the lower ends of the two drilling cutters 7, the top surface of the drill bit 8 is fixedly provided with a plurality of connecting rods 9 in an annular equidistant manner, positioning holes 10 are formed in the position of the top surface of the base 1 relative to the drill bit 8, a grouting cavity 11 is penetratingly formed in the drill rod 5, a plurality of transparent acrylic plates 12 are linearly and equidistantly embedded in the vertical direction of the outer wall of the grouting cavity 11, a limit ring 13 is fixedly arranged at the lower end of the inner wall of the grouting cavity 11, baffle 14 is arranged above limit ring 13, inserting column 15 is coaxially and fixedly arranged in the middle of the top surface of baffle 14, fixing column 16 is arranged above inserting column 15, outer wall of fixing column 16 is fixedly connected with inner wall of grouting cavity 11 through a plurality of annular connecting plates 17 fixedly arranged at equal intervals, column groove 18 is arranged in the middle of bottom surface of fixing column 16, sealing ring 19 is respectively sleeved in the middle of outer wall of baffle 14 and the middle of outer wall of inserting column 15, sealing groove 20 is arranged in the inner wall of limit ring 13 and the inner wall of column groove 18 corresponding to the position of sealing ring 19, baffle 14 is in plug-in fit with the inside of limit ring 13, inserting column 15 is in plug-in fit with column groove 18, sealing ring 19 is in joint fit with sealing groove 20, push rod A21 is hinged in the middle of top surface of column groove 18, push rod B22 is hinged in the lower end of push rod A21, push rod B22 is hinged in the top surface of inserting column 15, hydraulic rod 23 is arranged between push rod A21 and push rod B22, the upper end and the lower end of the hydraulic rod 23 are respectively hinged with the rear wall of the push rod A21 and the rear wall of the push rod B22, the upper end of the drill rod 5 is coaxially and fixedly connected with a rotating seat 24, a metal hose 25 is inserted in the middle of the rotating seat 24, the inside of the metal hose 25 is communicated with the grouting cavity 11 through the inside of the rotating seat 24, a movable seat 28 is rotatably sleeved at the upper end of the outer wall of the drill rod 5, a servo motor 34 is fixedly arranged on the left side of the top surface of the movable seat 28, the output end of the servo motor 34 penetrates through the movable seat 28 to extend to the lower part and is coaxially and fixedly connected with a gear 35, a plurality of tooth columns 36 are fixedly arranged at equal intervals at the position of the outer wall of the drill rod 5 relative to the gear 35 in an annular shape, the gear 35 is meshed with the tooth columns 36, an outer frame 37 is sleeved at the outer side of the movable seat 28, the lower end of the outer frame 37 is fixedly connected with the upper end of the supporting seat 2, two sliding blocks 38 are fixedly arranged at the inner side ends of the outer frame 37 in symmetrical structures relative to the positions of the sliding blocks 38, a vertical groove 39 is fixedly arranged between the bottom surfaces of the sliding blocks 38, a compression spring 40 is fixedly arranged at the bottom surfaces of the two side walls of the outer frame 37, two rollers 41 are rotatably connected in symmetrical structures, and the positions of the inner walls of the outer frame 37 relative to the outer frame 41 are respectively; when the drilling is moved to a proper position, the servo motor 34 can be stopped, the hydraulic rod 23 is controlled to be shortened, the included angle between the push rod A21 and the push rod B22 is reduced in the shortening process of the hydraulic rod 23, so that the baffle 14 can be lifted, the plug 15 can be inserted into the column groove 18, the sealing ring 19 outside the plug 15 is clamped with the sealing groove 20 in the column groove 18, the column groove 18 can be prevented from being damaged by cement mortar poured into the column groove 18 in the grouting process, the protection of the hydraulic rod 23 is improved, and the service life of the device can be effectively prolonged.
Specifically, the drill bit 7 is spiral structure, two drill bits 7 all lie in same axis with drilling rod 5, drill bit 8 is the inverted cone structure, connecting rod 9 upper end is fixed with drilling rod 5 bottom surface edge connection, at the rotatory in-process that descends of drilling rod 5, drill bit 8 can pass locating hole 10 and break the soil and drive drilling rod 5 and bore into the soil layer, in the rotation of drill bit 7, the soil of drilling inner wall can be easily broken and dialled to both sides, and such structure also makes can't the accumulation too much soil between the drill bit 7 avoided the gap to be blockked up by soil, so alright be light insert the position of crack or hollowing with drilling rod 5, compared manual more swiftly also labour saving and time saving that will be more than the manual hollow pole of inserting is enough, be favorable to the improvement of slip casting efficiency.
Further, the outer wall of the drill rod 5 is sleeved with a circular ring 29 relative to the position of the movable seat 28, a circular groove 30 is formed in the position of the movable seat 28 relative to the circular ring 29, and the circular ring 29 is rotationally connected with the circular groove 30, so that the drill rod 5 can freely rotate in the movable seat 28.
Furthermore, the rotating seat 24 is of a hollow round platform structure, the outer wall of the metal hose 25 is linearly sleeved with a plurality of rotating rings 26 at equal intervals relative to the position of the rotating seat 24, the inner wall of the rotating seat 24 is provided with annular grooves 27 relative to the positions of the rotating rings 26, the rotating rings 26 are rotationally connected with the annular grooves 27, the right end of the top surface of the movable seat 28 is fixedly provided with a top ring 32 through a cylinder 31, the right end of the metal hose 25 penetrates through the top ring 32 to extend to the lower right side and is connected with a grouting pump 33, the bottom surface of the grouting pump 33 is fixedly connected with the right side of the top surface of the supporting seat 2, the sealing performance of the joint of the rotating seat 24 and the metal hose 25 is guaranteed through a labyrinth waterproof structure, meanwhile, the rotation of the drill rod 5 can not influence the metal hose 25, damage caused by rotation of the metal hose 25 is avoided, the top ring 32 can support the metal hose 25, the metal hose 25 is prevented from being accumulated on the surface of the movable seat 28 when the movable seat 28 is lowered, the movable seat 28 is prevented from being raised, the subsequent movable seat 28 is prevented from being raised, the lifting process of the movable seat 28 is further improved, the grouting efficiency can be greatly improved.
Still further, the gear 35 is engaged with the gear post 36, the gear 35 is driven to rotate by the servo motor 34, the gear post 36 is driven to further drive the drill rod 5 to rotate in the rotating process of the gear 35, the drill rod 5 moves downwards along the threaded hole 4 and rotates simultaneously under the threaded connection of the external thread 6 on the outer wall of the drill rod 5 and the threaded hole 4, the inside of the outer frame 37 is in sliding contact with the outer wall of the movable seat 28, the inner side end of the sliding block 38 is in sliding fit with the vertical groove 39, the annular outer wall of the roller 41 is in rolling contact with the wheel groove 42, and the friction force generated between the inner wall of the outer frame 37 and the inner wall of the movable seat 28 in the descending and ascending processes can be reduced through the rolling contact between the roller 41 and the wheel groove 42, so that the load of the servo motor 34 is effectively reduced.
It is worth introducing that the supporting plate 3 is of an inclined structure with high inside and low outside, so that the bearing capacity of the supporting seat 2 can be improved through the triangular structure, the lower end of the supporting plate 3 is fixedly connected with the top surface of the base 1, the threaded hole 4 is in threaded connection with the external thread 6, the gear 35 is driven to rotate by the aid of the servo motor 34, the tooth column 36 is driven to further drive the drill rod 5 to rotate in the rotating process of the gear 35, and the drill rod 5 moves downwards along the threaded hole 4 and rotates simultaneously under the threaded connection between the external thread 6 on the outer wall of the drill rod 5 and the threaded hole 4.
It is worth noting that the positions of the transparent acrylic plates 12 and the positions of the external threads 6 are staggered, the front wall of the transparent acrylic plates 12 is of a cambered surface structure with the radian identical to that of the front wall of the drill rod 5, the front side and the rear side of the outer frame 37 are provided with observation grooves corresponding to the drill rod 5, in the rotating and descending process of the drill rod 5, the drill bit 8 penetrates through the positioning holes 10 and breaks the soil to drive the drill rod 5 to drill into the soil layer, in the rotating process of the drill bit 7, the soil on the inner wall of the drill hole can be easily broken and is shifted to the two sides, and due to the structure, excessive soil cannot be accumulated between the drill bit 7, so that gaps are prevented from being blocked by the soil, the drill rod 5 can be easily inserted into the positions of the gaps or the hollows, and compared with the manual insertion of the hollow rod, the method is more rapid and time-saving and labor-saving, and the grouting efficiency is improved.
A grouting method of a grouting device for highway bridge construction comprises the following steps:
s1, detecting hollows and cracks on a highway foundation, when the hollows and the cracks are found, corresponding the positioning holes 10 of the device to the positions of the hollows or the cracks, and then connecting a servo motor 34 and a grouting pump 33 in the device with an external power supply through wires;
s2, a servo motor 34 is used for driving a gear 35 to rotate, the gear 35 drives a drill rod 5 to rotate through a tooth column 36, the drill rod 5 moves downwards along the threaded hole 4 and simultaneously rotates under the threaded connection of the external thread 6 on the outer wall of the drill rod 5 and the threaded hole 4, and at the moment, a drill bit 8 penetrates through the positioning hole 10 and breaks soil to drive the drill rod 5 to drill into a soil layer;
s3, when the depth to be drilled reaches the position of a blank or crack to be measured, a worker needs to operate the hydraulic rod 23 to shorten the hydraulic rod so that the sealing ring 19 on the outer wall of the baffle 14 is separated from the sealing groove 20 on the inner wall of the limit ring 13, the inserted column 15 is inserted into the column groove 18, the sealing ring 19 on the outer wall of the inserted column 15 is clamped with the sealing groove 20 on the inner wall of the column groove 18, then cement mortar can be injected into the grouting cavity 11 by utilizing the grouting pump 33, and finally the cement mortar can be injected into the crack or blank through the grouting cavity 11 along the lower opening end of the cement mortar;
s4, in the injection process, a worker can observe the condition inside the grouting cavity 11 through a plurality of transparent acrylic plates 12 embedded on the outer wall of the drill rod 5 through the observation grooves of the outer frame 37, when the top surface position of cement mortar can be observed through the transparent acrylic plates 12, the continuous injection is stopped, finally the drill rod 5 is pulled out by reversing the servo motor 34, and thus the grouting filling work for cracks or hollows in the highway foundation is completed.
Working principle: in the road foundation construction process, if the existence of a crack or a blank area in the foundation is detected, the device can be used for filling the crack or the blank by grouting, the device can be moved to a position corresponding to the crack or the blank area by using an external carrier by a worker, then a proper drilling position is selected, the positioning hole 10 is aligned with the position, at the moment, the gear 35 can be driven to rotate by using the servo motor 34, the tooth column 36 is driven to rotate in the rotating process of the gear 35, the drill rod 5 is driven to rotate, the drill rod 5 moves downwards along the threaded hole 4 under the threaded connection of the external thread 6 on the outer wall of the drill rod 5 and the threaded hole 4 and simultaneously rotates, at the moment, the drill bit 8 penetrates through the positioning hole 10 and breaks the soil to drive the drill rod 5 to drill into the soil layer, the soil on the inner wall of the drilling hole can be broken easily and is set to two sides in the rotating of the drill bit 7, the structure also makes the soil which cannot be accumulated too much between the drilling cutters 7 avoid that gaps are blocked by the soil, so that the drill rod 5 can be easily inserted into the positions of the gaps or empty drums, compared with the manual insertion of hollow rods, the structure is more rapid, time-saving and labor-saving, the improvement of grouting efficiency is facilitated, in the rotating and descending process of the drill rod 5, the movable seat 28 descends along with the rotating and descending process of the drill rod 5, the outer walls of the two sides of the movable seat 28 are rotationally connected with the rollers 41 in a symmetrical structure, the friction force generated between the movable seat 28 and the inner wall of the outer frame 37 in the descending and ascending processes of the roller 41 can be reduced through the rolling contact of the rollers 41 and the wheel grooves 42, the load of the servo motor 34 is effectively reduced, in addition, the right end of the top surface of the movable seat 28 can support the metal hose 25 through the top ring 32 fixedly arranged on the cylinder 31, the metal hose 25 is prevented from being piled up on the surface of the movable seat 28 when the movable seat 28 descends, so that the subsequent movable seat 28 is prevented from being damaged when ascending, the protection to the lifting process of the movable seat 28 is further improved, the device can run more stably, the grouting efficiency is greatly improved, when the drill rod 5 descends in a rotating mode, the inner wall of the rotary seat 24 and the outer wall of the metal hose 25 are fixedly connected in a rotating mode through a plurality of rotary rings 26 which are linearly and equidistantly arranged, the sealing performance of the joint of the rotary seat 24 and the outer wall of the metal hose 25 is guaranteed through a labyrinth waterproof structure, the rotation of the drill rod 5 can not influence the metal hose 25, the metal hose 25 is prevented from being damaged due to rotation, the baffle 14 positioned in the grouting cavity 11 can be inserted into the limit ring 13, the opening end of the lower side of the grouting cavity 11 can form a sealing structure through the inserting fit between the sealing ring 19 of the baffle ring 19 and the inner wall 20 of the limit ring 13, in this way, soil can not be drilled into the grouting cavity 11 from the lower opening end of the grouting cavity 11 in the downward drilling process of the drill rod 5, the problem of blockage caused by the fact that the grouting cavity 11 is filled with excessive soil is avoided, the servo motor 34 can be stopped and then the hydraulic rod 23 is controlled to be shortened after the grouting cavity 11 is drilled to a proper position, the included angle between the push rod A21 and the push rod B22 is reduced in the shortening process of the hydraulic rod 23, the baffle 14 can be lifted up, meanwhile, the inserting column 15 can be inserted into the column groove 18, the sealing ring 19 outside the inserting column 15 is clamped with the sealing groove 20 in the column groove 18, the damage of the hydraulic rod 23 caused by cement mortar filling into the column groove 18 in the grouting process can be avoided, the protection of the hydraulic rod 23 is improved, the service life of the device can be effectively prolonged, when the baffle 14 is not used for isolating the inside and the outside of the grouting cavity 11, a worker can start grouting work to the crack or the empty part through the grouting cavity 11 by using the grouting pump 33, and at the moment, the worker can observe the condition inside the grouting cavity 11 through the transparent acrylic plates 12 at a glance, so that the position of the top surface of the cement mortar in the grouting process can be accurately grasped, the grouting amount of the cement mortar can be conveniently and rapidly judged, the filling effect can be avoided due to too little grouting, waste caused by too much grouting can be avoided, and the accuracy of crack grouting filling work is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. Grouting device is used in public road bridge roof beam construction, including base (1), its characterized in that: the utility model discloses a plastic grouting device, including base (1) and drilling tool (7), base (1) top has set firmly supporting seat (2), supporting seat (2) bottom surface four corners department is symmetrical structure and has set firmly four extension boards (3), threaded hole (4) have been seted up in supporting seat (2) top surface left side, threaded hole (4) interpolation has set firmly drilling rod (5), external screw thread (6) have been seted up to drilling rod (5) outer wall, threaded hole (4) and external screw thread (6) threaded connection, drilling rod (5) lower extreme passes threaded hole (4) and extends to the lower part and be symmetrical structure and set firmly two brill sword (7), brill sword (7) are helical structure, two brill sword (7) all are located same axis with drilling rod (5), two set firmly drill bit (8) between brill sword (7) lower extreme, drill bit (8) top surface is annular equidistant a plurality of connecting rods (9) that have set firmly, the position of drilling rod (8) top surface for drill bit (8) has set firmly locating hole (10), grouting cavity (11) have been seted up to the inside of drilling rod (5), grouting cavity (11) are perpendicular square (11) and are perpendicular insert linear insert the equal spacing of 1) and insert the upper portion of a plurality of transparent sub-rings (12) and 13, the spacing 13 of transparent sub-rings (13), baffle (14) are arranged above limit collar (13), inserted column (15) have been set firmly to baffle (14) top surface middle part is coaxial, inserted column (15) top is equipped with fixed column (16), fixed column (16) outer wall is fixed through being a plurality of connecting plates (17) that equidistant set firmly of annular and slip casting chamber (11) inner wall connection, post groove (18) have been seted up at fixed column (16) bottom surface middle part, baffle (14) outer wall middle part and inserted column (15) outer wall middle part all overlap and are equipped with sealing washer (19), seal groove (20) have all been seted up to limit collar (13) inner wall and post groove (18) inner wall for sealing washer (19) position, baffle (14) and inside grafting cooperation of limit collar (13), inserted column (15) and post groove (18) grafting cooperation, sealing washer (19) and sealing groove (20) joint cooperation, post groove (18) top surface middle part articulates there is push rod A (21), push rod B (22) have been seted up in push rod A (21) lower extreme hinge, push rod B (22) and push rod B (21) both ends are equipped with behind push rod (23) and the articulated rod (23) wall respectively, the utility model discloses a drilling rod, including drilling rod (5) and outer frame (37), drilling rod (5) upper end coaxial fixedly connected with rotates seat (24), rotating seat (24) middle part has inserted metal collapsible tube (25), inside being linked together with slip casting chamber (11) through rotating seat (24) inside, drilling rod (5) outer wall upper end rotation cover is equipped with removes seat (28), remove seat (28) top surface left side and set firmly servo motor (34), servo motor (34) output runs through and removes seat (28) and extends to lower part and coaxial fixedly connected with gear (35), drilling rod (5) outer wall is equidistant a plurality of tooth post (36) for the position of gear (35) is annular, gear (35) are connected with tooth post (36) meshing, remove seat (28) outside cover and be equipped with frame (37), the lower extreme fixed connection of frame (37) is in supporting seat (2) upper end, it sets firmly two sliders (38) to remove seat (28) both sides outer wall and be symmetrical structure, the inboard end of frame (37) is for slider (38) is extended to lower part and coaxial fixedly connected with gear (35), the position of perpendicular bottom surface (39) of slider (38) for slider (38) is provided with between two side vertical groove (40) and the vertical groove (40), a wheel groove (42) is formed in the inner wall of the outer frame (37) relative to the roller (41).
2. The grouting device for highway bridge construction according to claim 1, wherein: the drill bit (8) is of an inverted cone structure, and the upper end of the connecting rod (9) is fixedly connected with the edge of the bottom surface of the drill rod (5).
3. The grouting device for highway bridge construction according to claim 1, wherein: the outer wall of the drill rod (5) is sleeved with a circular ring (29) relative to the position of the movable seat (28), a circular groove (30) is formed in the position of the movable seat (28) relative to the circular ring (29), and the circular ring (29) is rotationally connected with the circular groove (30).
4. The grouting device for highway bridge construction according to claim 1, wherein: the rotary seat (24) is of a hollow round table structure, the outer wall of the metal hose (25) is sleeved with a plurality of rotary rings (26) at equal intervals in a linear mode relative to the position of the rotary seat (24), annular grooves (27) are formed in the inner wall of the rotary seat (24) relative to the positions of the rotary rings (26), and the rotary rings (26) are rotationally connected with the annular grooves (27).
5. The grouting device for highway bridge construction according to claim 4, wherein: the right end of the top surface of the movable seat (28) is fixedly provided with a top ring (32) through a cylinder (31), the right end of the metal hose (25) penetrates through the top ring (32) to extend to the lower right side and is connected with a grouting pump (33), and the bottom surface of the grouting pump (33) is fixedly connected with the right side of the top surface of the supporting seat (2).
6. The grouting device for highway bridge construction according to claim 1, wherein: the gear (35) is connected with the tooth column (36) in a meshed mode, the inside of the outer frame (37) is in sliding contact with the outer wall of the movable seat (28), the inner side end of the sliding block (38) is in sliding fit with the vertical groove (39), and the annular outer wall of the roller (41) is in rolling contact with the roller groove (42).
7. The grouting device for highway bridge construction according to claim 1, wherein: the support plate (3) is of an inclined structure with the inner part high and the outer part low, and the lower end of the support plate (3) is fixedly connected with the top surface of the base (1).
8. The grouting device for highway bridge construction according to claim 1, wherein: the front wall of the transparent acrylic plate (12) is of a cambered surface structure with the radian identical to that of the front wall of the drill rod (5), and the front side and the rear side of the outer frame (37) are provided with observation grooves at positions corresponding to the drill rod (5).
9. A grouting method of a grouting device for highway bridge construction according to any one of claims 1 to 8, comprising the steps of:
s1, detecting hollows and cracks on a highway foundation, when the hollows and the cracks are found, corresponding the positioning holes (10) of the device to the positions of the hollows or the cracks, and then connecting a servo motor (34) and a grouting pump (33) in the device with an external power supply through wires;
s2, a servo motor (34) is used for driving a gear (35) to rotate, the gear (35) drives a drill rod (5) to rotate through a tooth column (36), the drill rod (5) moves downwards along the threaded hole (4) and rotates simultaneously under the threaded connection of an external thread (6) on the outer wall of the drill rod and the threaded hole (4), and at the moment, a drill bit (8) penetrates through a positioning hole (10) and breaks soil to drive the drill rod (5) to drill into a soil layer;
s3, when the depth to be drilled reaches the position of a blank or crack to be measured, a worker needs to operate the hydraulic rod (23) to shorten, so that a sealing ring (19) on the outer wall of the baffle plate (14) is separated from a sealing groove (20) on the inner wall of the limit ring (13), the inserting column (15) is inserted into the column groove (18) and the sealing ring (19) on the outer wall of the inserting column (15) is clamped with the sealing groove (20) on the inner wall of the column groove (18), then cement mortar can be injected into the grouting cavity (11) by utilizing the grouting pump (33), and finally the cement mortar passes through the grouting cavity (11) and is injected into the crack or blank along the opening end on the lower side of the grouting cavity;
s4, in the injection process, a worker can observe the condition inside the grouting cavity (11) through a plurality of transparent acrylic plates (12) embedded on the outer wall of the drill rod (5) through an observation groove of the outer frame (37), when the top surface position of cement mortar can be observed through the transparent acrylic plates (12), continuous injection is stopped, finally the drill rod (5) is pulled out by reversing the servo motor (34), and thus grouting filling work for cracks or empty drums in a highway foundation is completed.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113914397B (en) * | 2021-11-25 | 2022-11-04 | 中冶成都勘察研究总院有限公司 | A slip casting hole guiding hole device for loose fill layer |
| CN114232400A (en) * | 2021-12-20 | 2022-03-25 | 济南市市政工程设计研究院（集团）有限责任公司 | Soft saturated soil subgrade settlement repairing device and method for expressway |
| CN114277774B (en) * | 2022-01-14 | 2023-10-20 | 义乌市社会事业工程管理有限公司 | Foundation bottom hole grouting equipment |
| CN115095355B (en) * | 2022-07-14 | 2023-05-09 | 东华理工大学 | Mixed grouting device for tunnel construction |
| CN115094870B (en) * | 2022-08-01 | 2023-06-02 | 曹方彬 | Roadbed reinforcing treatment device for highway bridge construction |
| CN117071383A (en) * | 2023-09-05 | 2023-11-17 | 水电十四局华南建设发展有限公司 | Auxiliary positioning guide device for grouting drilling |
| CN117108318B (en) * | 2023-10-25 | 2024-01-02 | 北京科技大学 | Surrounding rock reinforcing grouting system for underground coal mine roadway |
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