CN114277647A - Paving equipment for construction of cement stabilized base layer based on road construction - Google Patents
Paving equipment for construction of cement stabilized base layer based on road construction Download PDFInfo
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- CN114277647A CN114277647A CN202210040942.7A CN202210040942A CN114277647A CN 114277647 A CN114277647 A CN 114277647A CN 202210040942 A CN202210040942 A CN 202210040942A CN 114277647 A CN114277647 A CN 114277647A
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Abstract
The invention belongs to the technical field of road administration engineering, in particular to paving equipment for water-stable base layer construction based on road construction, aiming at the problem that a leveling and paving device in the prior art cannot pave out large piles of concrete, the invention provides the following scheme. When the concrete stones piled together need to be paved, the high-rise piled concrete stones can be paved continuously only by controlling the fixed beam to drive the rotary shovel plate to slowly push, and then the roadbed can be leveled by matching with the two rear arc leveling plates which are combined into a semi-ring shape.
Description
Technical Field
The invention relates to the technical field of road administration engineering, in particular to paving equipment for water-stable base construction based on road construction.
Background
The cement stabilized macadam layer is a cement stabilized macadam layer for short, namely cement is adopted to solidify graded macadam, and the cement stabilized macadam layer is compacted and maintained. The water-stable mixing proportion is preliminarily prepared in a laboratory to determine the cement mixing amount and the coarse-fine aggregate proportion and also determine the maximum dry density. The water-stable stirring station can be adopted for mixing when the amount is large. At present when the preparation of carrying out the cement stabilized base course paves, directly pour the concrete stone that stirs on the road surface earlier mostly, later build the road worker with the instrument such as spade at first poor make level, later the vibrations compaction on it of reuse dull and stereotyped shaking machine, this kind of mode consumes the manpower very much for it is huge to build road worker's earlier labour load.
Through retrieving twice all-in-one of paving of steady basic unit of water that chinese patent publication number is CN214737197U, relate to road construction technical field, specifically be including PMKD, PMKD's last fixed surface is connected with the mount pad, it has drive screw to peg graft in one side of mount pad, drive screw's surface threaded connection has the transmission piece, the last fixed surface of transmission piece is connected with the connecting plate, the first telescopic link of one side fixedly connected with of connecting plate, the expansion end fixedly connected with baffle of first telescopic link, one side fixedly connected with DC motor of mount pad, DC motor's output and drive screw transmission are connected. The device is arranged by matching a transmission screw rod, a transmission block, a connecting plate, a first telescopic rod and a baffle; the device can only level and compact a roughly flat road surface and is not suitable for the initial rough and inferior paving link;
there is a need for a device that can accommodate the spreading of an initial pile of concrete stones.
Disclosure of Invention
The invention provides paving equipment for constructing a cement stabilized base layer based on road construction, aiming at overcoming the problem that a leveling and paving device in the prior art cannot pave large piles of concrete.
In order to achieve the purpose, the invention adopts the following technical scheme: a paving device for the construction of a cement stabilized base layer based on road construction comprises a fixed beam horizontally fixed at the head of a paving trolley, a fixed plate is fixed at the end part of the fixed beam, two C-shaped sliding rails with opposite openings and parallel to each other are fixed at one side of the fixed plate away from the fixed beam, and the sliding chutes of the two C-shaped sliding rails are both provided with tower-shaped sliding blocks, a same guide pipe is fixed between the two tower-shaped sliding blocks, the middle of the guide pipe is rotatably connected with a transmission pipe, and the top end of the transmission tube is fixed with a driven gear, the circumferential outer wall of the transmission tube is screwed with an internal thread ring near the bottom end, the bottom end of the internal thread ring is fixed with a leveling mechanism through a bolt, the leveling mechanism comprises a radian adjusting block fixed at the bottom end of the internal thread ring, two mutually centrosymmetric shovel plates are fixed on the outer wall of the radian adjusting block, and the inclination angle of the plate surface of each shovel plate is between 30 and 60 degrees;
the utility model discloses a concrete stone that piles up high height, including fixed beam, jib, torsion spring, fixed beam, the one end of fixed beam is close to the fixed plate is located the left and right sides and is fixed with the cantilever beam of symmetry of each other respectively, and the one end lower surface that the fixed beam was kept away from to two cantilever beams all is fixed with the jib, the bottom of jib is rotated and is connected with the arc screed-plate, torsion spring has all been cup jointed to the outer wall of jib, and torsion spring's top is fixed at the top inner wall of cantilever beam, torsion spring's bottom mounting has the fixed block, the fixed block passes through the fix with screw on the arc screed-plate, thereby can be when using, when needing to pave piling up together concrete stone, only need control fixed beam to drive rotatory shovel board and slowly impel can be continuous pave the concrete stone that piles up high height, later two component system semicircular arc screed-plates at cooperation rear can be with the road bed flattening.
As a preferable scheme in the invention, the top ends of the two tower-shaped sliding blocks are both fixed with a buffer spring, the bottom of the C-shaped sliding rail is fixed with a spring baffle plate at the top end, and the top end of the buffer spring is fixed on the lower surface of the spring baffle plate, so that a certain buffer space can be reserved when the shovel plate impacts a concrete stone pile when the shovel plate starts to rotate, and the shovel plate can not rotate due to too much resistance.
According to the preferable scheme, the driving motor is fixed on the outer wall of the guide pipe close to the top end, the driving bevel gear is fixed on the top end of an output shaft of the driving motor, the driving bevel gear is meshed with the driven gear, and balls distributed equidistantly are embedded on the lower surface of the driving bevel gear close to the circumferential edge, so that the transmission pipe can smoothly rotate when axial force is applied to the transmission pipe, and friction resistance between the driving bevel gear and the end portion of the transmission pipe is reduced.
As a preferable scheme in the invention, a rectangular hole groove is formed in the middle of the top end of the radian adjusting block, a shovel board radian adjusting mechanism is arranged in the rectangular hole groove and comprises an adjusting screw which is screwed in the transmission pipe, a limiting hoop is reserved on the outer wall of the circumference of the adjusting screw close to the bottom end, an adjusting block is sleeved on the outer wall of the limiting hoop, the adjusting block is formed by welding a middle ring and two centrally symmetrical U-shaped press blocks, the adjusting block is vertically and slidably connected in the rectangular hole groove, arc grooves which are mutually and centrally symmetrical are respectively formed on the inner walls of two opposite sides of the rectangular hole groove close to the bottom end, two convex rods are fixed at the end of the shovel board, the outer wall of one inserted arc adjusting block is close to the bottom end, the end of the other convex rod inserted in the arc groove is positioned in the middle of the corresponding U-shaped press block, so that before the spreading work is carried out, when the inclination angle of two shovel boards needs to be changed, only the top of adjusting screw needs to be rotated, and the limiting strap moves two U-shaped pressing blocks to slowly descend at the moment, so that the protruding rods in the two arc-shaped grooves are pressed to descend, and then the inclination angle of the shovel boards is reduced, so that the shovel boards can adapt to larger resistance to improve penetrating power.
According to the preferable scheme of the invention, the circumferential inner wall of the intermediate ring is provided with an annular groove matched with the section size of the limiting hoop, the circumferential outer wall of the adjusting screw rod is provided with a self-locking thread in advance near the top end, the circumferential inner wall of the transmission pipe is embedded with a nut matched with the self-locking thread near the top end, and the top end of the adjusting screw rod is fixed with the screwing block, so that the adjusting process of the shovel plate is cleaner, and the shovel plate is not required to be directly contacted.
As the preferable scheme in the invention, the lower surface of the shovel plate is provided with the inclined notches at the rear side, and the front surface of the shovel plate close to the lower edge is provided with the V-shaped grooves distributed at equal intervals, so that the shovel plate improves the turning capability and the pressure intensity in the paving process, can intercept deeper concrete stone piles at one time, and improves the paving efficiency.
As a preferable scheme in the invention, the outer wall of the radian adjusting block is also fixed with three L-shaped poking rods I, two L-shaped poking rods II and three L-shaped poking rods III which are distributed at equal intervals, the horizontal rod parts of the L-shaped poke rod I, the L-shaped poke rod II and the L-shaped poke rod III are not equal in height and are not equal in length, and the ends of the L-shaped poke rod I, the L-shaped poke rod II and the L-shaped poke rod III which are far away from the radian adjusting block are all reserved with double cusps, the lower surfaces of the tips of the L-shaped poking rod I, the L-shaped poking rod II and the L-shaped poking rod III are fixed with three stepped loose soil nails with sequentially reduced lengths, thereby can be when using, can slowly push forward at the end according to the height of concrete stone heap, let suitable L shape poker rod one open the peak earlier, later pave the concrete stone heap with short L shape poker rod two and L shape poker rod three in proper order continuously.
As a preferable scheme in the invention, rectangular grooves are formed in the top ends of the shovel plates, which are far away from the radian adjusting block, and extending plates are slidably connected in the rectangular grooves, strip-shaped holes which are mutually communicated with the rectangular grooves are formed in the front surfaces of the shovel plates, which are close to the bottom ends of the shovel plates, and abutting rods are fixed at the bottom ends of the extending plates, so that when the shovel plates are used, when the contact area needs to be increased, fluid concrete stones enter the rectangular grooves from the strip-shaped holes, and the extending plates are pushed out, and then the whole area of the shovel plates can be increased.
According to the preferable scheme of the invention, the inner wall of the rectangular groove is provided with a vertical limiting groove, the outer wall of the extension plate is reserved with a lug matched with the limiting groove, and the rear side of the shovel plate is provided with a locking bolt for positioning the extension plate.
To sum up, the beneficial effect in this scheme is:
1. according to the paving equipment for the construction of the water-stabilized base layer based on the road construction, the leveling mechanism arranged at the front end of the fixed beam and close to the ground is matched with the two shovel plates with adjustable angles, when the piled concrete stones need to be paved, the fixed beam is controlled to drive the rotating shovel plates to slowly push, so that the high-rise piled concrete stones can be continuously paved, and then the two arc leveling plates at the rear part are matched to form a semi-annular shape to level the roadbed;
2. this kind of equipment that paves that is used for steady basic unit construction of water based on road construction, through the sliding connection that sets up two tower type sliders on the C shape slide rail and the buffer spring on the tower type slider, can reserve certain buffering space when the shovel board strikes the concrete stone when beginning rotatory, avoids leading to the unable rotation of shovel board because of the resistance is too big.
3. This kind of equipment that paves that is used for construction of steady basic unit of water based on road construction, through the shovel board radian adjustment mechanism who sets up, can be before the work of paving goes on, when needing to carry out the change to the angle of inclination of two shovel boards, only need rotate adjusting screw's top can, spacing strap this moment moves two U-shaped briquettings and slowly descends, and then is pressing the nose bar decline in two arcs, makes the angle of inclination of shovel board diminish then, can adapt to bigger resistance and improve the penetrating power.
Drawings
Fig. 1 is a schematic overall structure diagram of a paving device for construction of a water-stable base layer based on road construction according to the invention;
fig. 2 is a schematic perspective view of a leveling mechanism in a paving apparatus for construction of a water-stable base layer based on road construction according to the present invention;
fig. 3 is a schematic diagram of an explosion structure of a leveling mechanism in a paving device for construction of a water-stable base layer based on road construction, according to the invention;
FIG. 4 is a schematic view of an assembly structure of a shovel plate radian adjusting mechanism in the paving equipment for water-stabilized base construction based on road construction according to the present invention;
fig. 5 is a schematic structural view of a shovel plate in a paving apparatus for a cement stabilized base construction based on road construction according to a second embodiment of the present invention;
fig. 6 is a schematic perspective view of a leveling mechanism in paving equipment for construction of a water-stable base layer based on road construction according to a third embodiment of the present invention;
fig. 7 is a schematic structural view of an L-shaped poke rod in paving equipment for construction of a cement stabilized base layer based on road construction according to a third embodiment of the invention;
fig. 8 is a schematic perspective view of a leveling mechanism in paving equipment for construction of a water-stable base layer based on road construction according to a fourth embodiment of the present invention.
In the figure: 1. a fixed beam; 2. a fixing plate; 3. a drive bevel gear; 4. a buffer spring; 5. a spring baffle; 6. a C-shaped slide rail; 7. adjusting the screw rod; 71. self-locking threads; 8. a guide tube; 9. an internally threaded ring; 10. a shovel plate; 11. a torsion spring; 12. a fixed block; 13. a cantilever beam; 14. an arc leveling plate; 15. a driven gear; 16. a radian adjusting block; 17. an arc-shaped slot; 18. a limiting hoop; 19. an adjusting block; 20. a drive tube; 21. a rectangular hole slot; 22. a leveling mechanism; 23. a U-shaped pressing block; 24. a nose bar; 25. an annular groove; 26. a V-shaped groove; 27. a ball bearing; 28. an L-shaped poke rod I; 29. an L-shaped poke rod II; 30. an L-shaped poke rod III; 31. a double-pointed head; 32. step soil loosening nails; 33. a strip-shaped hole; 34. a support rod; 35. an extension plate; 36. a rectangular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, 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 device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, a paving apparatus for water-stabilized base layer construction based on road construction, comprising a fixed beam 1 horizontally fixed on the head of a paving trolley, a fixed plate 2 fixed on the end of the fixed beam 1, two C-shaped slide rails 6 with opposite openings and parallel to each other fixed on one side of the fixed plate 2 away from the fixed beam 1, tower-shaped sliders arranged in the chutes of the two C-shaped slide rails 6, a same guide tube 8 fixed between the two tower-shaped sliders, a transmission tube 20 connected in rotation between the guide tube 8, a driven gear 15 fixed on the top of the transmission tube 20, an internal thread ring 9 screwed on the circumferential outer wall of the transmission tube 20 near the bottom, a leveling mechanism 22 fixed on the bottom of the internal thread ring 9 by bolts, the leveling mechanism 22 comprising a radian adjusting block 16 fixed on the bottom of the internal thread ring 9, two mutually centrosymmetric shovel plates 10 fixed on the outer wall of the radian adjusting block 16 in the embodiment, the inclination angle of the plate surface of the shovel plate 10 is between 30 and 60 degrees;
the one end that fixed beam 1 is close to fixed plate 2 is located the left and right sides and is fixed with the cantilever beam 133 of symmetry of each other respectively, and two cantilever beams 133 keep away from the one end lower surface of fixed beam 1 and all are fixed with the jib, the bottom of jib is rotated and is connected with arc screed 14, torque spring 11 has all been cup jointed to the outer wall of jib, and torque spring 11's top is fixed at cantilever beam 13's top inner wall, torque spring 11's bottom mounting has fixed block 12, fixed block 12 passes through the fix with screw on arc screed 14, thereby can be when using, when needing to pave piling up together concrete stone, only need control fixed beam 1 to drive rotatory shovel board 10 and slowly impel can be continuous pave the concrete stone that piles up the height, later cooperate two synthetic semi-annular arc screed 14 at rear can be with the road bed flattening again.
Wherein, the top of two tower type sliders all is fixed with buffer spring 4, and the tank bottom of C shape slide rail 6 is located the top and is fixed with spring baffle 5, and buffer spring 4's top is fixed at spring baffle 5's lower surface to can reserve certain buffer space when the shovel board 10 strikes the concrete stone when beginning rotatory, avoid leading to the unable rotation of shovel board 10 because of the resistance is too big.
Wherein, the outer wall of stand pipe 8 is close to the top and is fixed with driving motor, and driving motor's output shaft top is fixed with drive bevel gear 3, and drive bevel gear 3 and driven gear 15 intermeshing, and the lower surface of drive bevel gear 3 is close to the circumference edge and inlays and be equipped with equidistance distribution's ball 27 to can let the rotation that also can be smooth when receiving axial force of driving pipe 20, reduced frictional resistance between drive bevel gear 3 and the driving pipe 20 tip.
Wherein, the top middle part of the radian adjusting block 16 is opened with a rectangular hole groove 21, and the inside of the rectangular hole groove 21 is provided with a shovel board radian adjusting mechanism, the shovel board radian adjusting mechanism comprises an adjusting screw 7 screwed in the transmission tube 20, the circumferential outer wall of the adjusting screw 7 is reserved with a limiting hoop 18 near the bottom end, the outer wall of the limiting hoop 18 is sleeved with an adjusting block 19, the adjusting block 19 is formed by welding a middle ring and two centrally symmetrical U-shaped press blocks 23, the adjusting block 19 is vertically and slidably connected in the rectangular hole groove 21, the inner walls of two opposite sides of the rectangular hole groove 21 near the bottom end are respectively opened with arc grooves 17 mutually and centrally symmetrical, the end part of the shovel board 10 is fixed with two convex rods 24, one is inserted with the outer wall of the radian adjusting block 16 near the bottom end, the end part of the other convex rod 24 inserted in the arc groove 17 is positioned in the middle of the corresponding U-shaped press block 23, thereby before the spreading work, when the inclination angle of two shovel boards 10 needs to be changed, only the top end of the adjusting screw 7 needs to be rotated, at the moment, the limiting hoop 18 drives the two U-shaped pressing blocks 23 to slowly descend, and then the protruding rods 24 in the two arc-shaped grooves 17 descend, so that the inclination angle of the shovel boards 10 is reduced, and the shovel boards can adapt to larger resistance to improve penetrating power.
The circumferential inner wall of the middle ring is provided with an annular groove 25 matched with the cross section size of the limiting hoop 18, the circumferential outer wall of the adjusting screw 7 is reserved with a self-locking thread 71 close to the top end, the circumferential inner wall of the transmission pipe 20 is embedded with a nut matched with the self-locking thread 71 close to the top end, and the top end of the adjusting screw 7 is fixed with a screwing block, so that the adjusting process of the shovel plate 10 is cleaner, and the shovel plate 10 does not need to be directly contacted.
The working principle is as follows: when the device is used and concrete stones piled together need to be paved, the driving motor is controlled to start, and the two shovel plates 10 which are mutually centrosymmetric and arranged at the bottom are driven to rotate under the action of the meshed gears; then the trolley is controlled to advance towards the concrete pile, the forward shovel plate 10 which rotates at the same time can slowly and continuously pave the high-rise piled concrete stones, and then the two rear arc-shaped leveling plates 14 are matched to form a semi-ring shape in a combined mode, so that the roadbed can be leveled; the arc-shaped leveling plate 14 flattens the concrete slightly protruding out of the same horizontal plane of the ground, the redundant part slides away from the middle, and the redundant part automatically diffuses and blends into the two sides at one time because the concrete is fluid.
Example 2
Referring to fig. 5, in the present embodiment, compared with embodiment 1, the paving apparatus for constructing a cement stabilized base layer based on road construction further includes that a diagonal cut is reserved on the lower surface of the shovel plate 10, and the V-shaped grooves 26 are formed on the front surface of the shovel plate 10 near the lower edge and are distributed equidistantly, so that the shovel plate 10 improves the turning capability and increases the pressure intensity in the paving process, and can intercept deeper concrete stone piles at one time, thereby improving the paving efficiency.
Example 3
Referring to fig. 6-7, in this embodiment, compared to embodiment 1, the paving apparatus for construction of a cement stabilized base based on road construction further includes a radian adjusting block 16, an outer wall of the radian adjusting block 16 is further fixed with three L-shaped poking rods 28, two L-shaped poking rods 29 and three L-shaped poking rods 30 which are equidistantly distributed, horizontal rod portions of the L-shaped poking rods 28, two L-shaped poking rods 29 and three L-shaped poking rods 30 are not equal in height and are not equal in length, and two tips 31 are reserved at ends of the L-shaped poking rods 28, two L-shaped poking rods 29 and three L-shaped poking rods 30, which are far away from the radian adjusting block 16, respectively, and three stepped soil loosening nails 32 with sequentially reduced lengths are fixed on lower surfaces of tips of the L-shaped poking rods 28, two L-shaped poking rods 29 and three L-shaped poking rods 30, so that when in use, the appropriate L-shaped poking rods 28 can be slowly pushed forward according to the height of a rock concrete pile, so as to spread the highest point first, and then continuously paving the concrete stone pile by using the short L-shaped poke rod II 29 and the short L-shaped poke rod III 30 in sequence.
Example 4
Referring to fig. 8, a paving equipment for construction of cement stabilized base layer based on road construction, this embodiment compares in embodiment 1, the one end that radian regulating block 16 was kept away from on the top that still includes shovel board 10 has all opened rectangular channel 36, and equal sliding connection has extension board 35 in the rectangular channel 36, the front of shovel board 10 is close to the bottom and all opens the bar hole 33 that has link up mutually with rectangular channel 36, and the bottom of extension board 35 all is fixed with support rod 34, thereby can be when using, when needs increase area of contact, the concrete stone of fluid state gets into rectangular channel 36 from bar hole 33, and then release extension board 35, can increase the whole area of shovel board 10 this moment.
The inner wall of the rectangular groove 36 is provided with a vertical limiting groove, the outer wall of the extension plate 35 is reserved with a protruding block matched with the limiting groove, and the rear side of the shovel plate 10 is provided with a locking bolt for positioning the extension plate 35.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The paving equipment for the construction of the cement stabilized base layer based on the road construction comprises a fixed beam (1) which is horizontally fixed at the head of a paving trolley, and a fixed plate (2) is fixed at the end part of the fixed beam (1), and is characterized in that one side, far away from the fixed beam (1), of the fixed plate (2) is fixed with two C-shaped slide rails (6) with opposite openings and parallel to each other, tower-shaped slide blocks are arranged in chutes of the two C-shaped slide rails (6), a same guide pipe (8) is fixed between the two tower-shaped slide blocks, a transmission pipe (20) is rotatably connected in the middle of the guide pipe (8), a driven gear (15) is fixed at the top end of the transmission pipe (20), an internal thread ring (9) is screwed at the position, close to the bottom end, of the external wall of the circumference of the transmission pipe (20), a leveling mechanism (22) is fixed at the bottom end of the internal thread ring (9) through bolts, the leveling mechanism (22) comprises a radian adjusting block (16) fixed at the bottom end of the internal thread ring (9), two shovel plates (10) which are mutually centrosymmetric are fixed on the outer wall of the radian adjusting block (16), and the inclination angle of the plate surface of each shovel plate (10) is between 30 and 60 degrees;
the utility model discloses a fixed beam (1) is close to the one end of fixed plate (2) and is located the left and right sides and be fixed with cantilever beam (13) of symmetry of each other respectively, and two cantilever beam (13) keep away from the one end lower surface of fixed beam (1) and all be fixed with the jib, the bottom of jib is rotated and is connected with arc screed-plate (14), torque spring (11) have all been cup jointed to the outer wall of jib, and the top of torque spring (11) is fixed at the top inner wall of cantilever beam (13), the bottom mounting of torque spring (11) has fixed block (12), fixed block (12) are through the fix with screw on arc screed-plate (14).
2. The paving equipment for the construction of the cement stabilized base layer based on the road construction is characterized in that the top ends of the two tower-shaped sliding blocks are both fixed with buffer springs (4), the bottoms of the C-shaped sliding rails (6) are positioned at the top ends and are fixed with spring baffles (5), and the top ends of the buffer springs (4) are fixed on the lower surfaces of the spring baffles (5).
3. The paving equipment for stable water base construction based on road construction is characterized in that a driving motor is fixed on the outer wall of the guide pipe (8) close to the top end, a driving bevel gear (3) is fixed on the top end of an output shaft of the driving motor, the driving bevel gear (3) is meshed with a driven gear (15), and balls (27) distributed at equal intervals are embedded on the lower surface of the driving bevel gear (3) close to the circumferential edge.
4. The paving equipment for the construction of the cement stabilized base layer based on the road construction is characterized in that a rectangular hole groove (21) is formed in the middle of the top end of the radian adjusting block (16), a shovel board radian adjusting mechanism is arranged inside the rectangular hole groove (21), the shovel board radian adjusting mechanism comprises an adjusting screw rod (7) which is screwed inside a transmission pipe (20), a limiting hoop (18) is reserved on the circumferential outer wall of the adjusting screw rod (7) close to the bottom end, an adjusting block (19) is sleeved on the outer wall of the limiting hoop (18), the adjusting block (19) is formed by welding a middle ring and two centrally symmetrical U-shaped pressing blocks (23), the adjusting block (19) is vertically and slidably connected with the rectangular hole groove (21), arc-shaped grooves (17) which are centrally symmetrical with each other are respectively formed on the inner walls of two opposite sides of the rectangular hole groove (21) close to the bottom end, and two convex rods (24) are fixed on the end of the shovel board (10), the outer wall of one inserting arc-shaped adjusting block (16) is close to the bottom end, and the end part of a convex rod (24) in the other inserting arc-shaped groove (17) is positioned in the middle of the corresponding U-shaped pressing block (23).
5. The paving equipment for the construction of the cement stabilized base layer based on the road construction is characterized in that the circumferential inner wall of the middle ring is provided with an annular groove (25) matched with the section size of the limiting hoop (18), a self-locking thread (71) is reserved on the circumferential outer wall of the adjusting screw (7) close to the top end, a nut matched with the self-locking thread (71) is embedded on the circumferential inner wall of the transmission pipe (20) close to the top end, and a screwing block is fixed at the top end of the adjusting screw (7).
6. The paving equipment for stable underwater base construction based on road construction as claimed in claim 1, characterized in that the lower surface of the shovel plate (10) is reserved with a bevel cut at the rear side, and the front surface of the shovel plate (10) is opened with V-shaped grooves (26) distributed at equal intervals near the lower edge.
7. The paving equipment for cement stabilized base construction based on road construction is characterized in that the outer wall of the radian adjusting block (16) is further fixed with three L-shaped poking rod I (28), L-shaped poking rod II (29) and L-shaped poking rod III (30) which are distributed equidistantly, the horizontal rod parts of the L-shaped poking rod I (28), the L-shaped poking rod II (29) and the L-shaped poking rod III (30) are unequal in height, double-pointed ends (31) are reserved at one ends of the L-shaped poking rod I (28), the L-shaped poking rod II (29) and the L-shaped poking rod III (30) far away from the radian adjusting block (16), and stepped loose soil nails (32) with sequentially reduced in length are fixed on the lower surfaces of the tips of the L-shaped poking rod I (28), the L-shaped poking rod II (29) and the L-shaped poking rod III (30).
8. The paving equipment for the construction of the cement stabilized base layer based on the road construction is characterized in that one end, far away from the radian adjusting block (16), of the top end of the shovel plate (10) is provided with a rectangular groove (36), the rectangular groove (36) is internally provided with an extending plate (35) in a sliding connection mode, the front face, close to the bottom end, of the shovel plate (10) is provided with strip-shaped holes (33) which are communicated with the rectangular groove (36), and the bottom end of the extending plate (35) is fixedly provided with a supporting rod (34).
9. The paving equipment for the cement stabilized base layer construction based on the road construction is characterized in that a vertical limiting groove is formed in the inner wall of the rectangular groove (36), a protruding block matched with the limiting groove is reserved on the outer wall of the extension plate (35), and a locking bolt is arranged on the rear side of the shovel plate (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210040942.7A CN114277647B (en) | 2022-01-14 | 2022-01-14 | Paving equipment for cement stabilized base layer construction based on road construction |
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| CN202210040942.7A CN114277647B (en) | 2022-01-14 | 2022-01-14 | Paving equipment for cement stabilized base layer construction based on road construction |
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| CN114277647A true CN114277647A (en) | 2022-04-05 |
| CN114277647B CN114277647B (en) | 2023-02-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114277647B (en) | 2023-02-17 |
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