CN111764221A - Road construction equipment and road reconstruction construction method using same - Google Patents
Road construction equipment and road reconstruction construction method using same Download PDFInfo
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- CN111764221A CN111764221A CN202010605500.3A CN202010605500A CN111764221A CN 111764221 A CN111764221 A CN 111764221A CN 202010605500 A CN202010605500 A CN 202010605500A CN 111764221 A CN111764221 A CN 111764221A
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- bottom plate
- fixed
- pedal
- mounting plate
- layer
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
Abstract
The application relates to road construction equipment and a road reconstruction construction method using the same, wherein the road construction equipment comprises a bottom plate, a mounting plate positioned above the bottom plate, a fixed shaft arranged on the mounting plate and penetrating through the bottom plate, and a drill bit fixed at the bottom end of the fixed shaft; the roller is arranged under the bottom plate; a driving piece for driving the mounting plate to lift is connected between the bottom plate and the mounting plate. The road reconstruction construction method comprises the following steps: s1, milling a cement surface layer; milling a cement surface layer and collecting crushed slag; s2, roughening the concrete layer; chiseling a notch on the upper surface of the concrete layer by using a drill bit; moving the bottom plate to enable the positioning block to correspond to the notch; the pedal is pressed downwards until the positioning block is inserted into the notch; driving a drill bit to chisel a notch on the upper surface of the concrete layer, and repeating the steps; s3, pre-paving asphalt; spraying asphalt on the concrete layer to form a bonding layer; s4, paving asphalt concrete; paving asphalt concrete on the bonding layer, and rolling to form an asphalt surface layer. The application can improve the integrity of the new road.
Description
Technical Field
The application relates to the technical field of road white-to-black transformation, in particular to road construction equipment and a road transformation construction method using the same.
Background
When the highway is initially constructed, the pavement is generally a cement concrete pavement, and the pavement still has a plurality of defects. The anti-skid capability of the road surface is relatively weak in the application process, the road surface is uneven, and the problems of breakage and cracking are easy to occur. After years of use, most road surfaces are damaged, so that vehicle traffic accidents frequently occur.
Based on the current situation, changing white into black becomes a necessary modification project at present. The term 'changing white into black' is a term frequently used in road construction, and is mainly used for changing an original grey-white cement concrete pavement into a black asphalt concrete pavement, so that the grey-white cement concrete pavement can play the functions of skid resistance, noise reduction, environmental protection and dust prevention, and convenience and comfort are provided for a driver in such a way.
The existing 'white to black' is usually formed by directly laying asphalt concrete on an original cement concrete pavement as a roadbed. As shown in fig. 6, the original cement concrete pavement comprises a ramming layer 9, a base layer 91, a concrete layer 92 and a cement surface layer 93 which are arranged from bottom to top. Since the cement surface layer 93 may be cracked after a long period of use, directly laying the asphalt concrete on the cement surface layer 93 may result in an insufficient tight connection between the asphalt concrete and the concrete layer 92.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide road construction equipment and a road reconstruction construction method using the same, which have the advantages of improving the asphalt surface course and the effect.
The above object of the present invention is achieved by the following technical solutions:
a road construction device comprises a bottom plate, a mounting plate arranged above the bottom plate, a fixed shaft connected to the mounting plate and arranged by penetrating through the bottom plate, and a drill bit fixed at one end of the fixed shaft, which is far away from the mounting plate; the lower surface of the bottom plate is provided with a plurality of rollers; be connected with the driving piece that is used for driving the mounting panel to go up and down between bottom plate and the mounting panel, work as the fixed axle reduces the back, and the drill bit bottom can be located the gyro wheel below.
Through adopting above-mentioned technical scheme, utilize driving piece drive drill bit to go up and down to chiseling spaced notch on concrete layer, make later stage asphalt concrete lay the back and can zonulae occludens between the concrete layer. Simultaneously, because the interval sets up between the notch, reduced the cracked probability that appears on the concrete layer to the bearing strength of the basic unit that former cement road surface provided has been strengthened.
The present invention in a preferred example may be further configured to: the fixed shaft is vertically arranged and provided with a plurality of fixed shafts, and the end part of each fixed shaft is rotationally connected with the mounting plate; the mounting plate is provided with a driving assembly for driving all the fixed shafts to synchronously rotate; the driving assembly comprises a fixed rod rotatably connected between the mounting plate and the bottom plate, a driving gear fixed on the fixed rod and a driven gear fixed on the fixed shaft and meshed with the driving gear; the top of the fixed rod penetrates through the mounting plate and is connected with a motor, and the motor is fixed on the mounting plate.
Through adopting above-mentioned technical scheme, utilize a motor to drive a plurality of fixed axles synchronous rotations as the driving source simultaneously to realize once chiseling the effect of getting a plurality of notches, thereby improve the efficiency of construction.
The present invention in a preferred example may be further configured to: a pedal is arranged below one end face of the bottom plate, and the pedal is connected with the bottom plate through a plurality of reset springs; a positioning block is fixed at the bottom of the bottom plate, and the section of the positioning block is not larger than that of the drill bit; in an initial state, the positioning block is positioned above the roller; when the return spring extends, the positioning block can move to the position below the roller.
Through adopting above-mentioned technical scheme, constructor steps on pedal back locating piece and can insert the notch of chiseling out through the drill bit in to fix a position road construction equipment, make all notches of seting up all interval arrangement.
The present invention in a preferred example may be further configured to: a telescopic sleeve is sleeved outside the reset spring; one end of the telescopic sleeve is fixed on the mounting plate, and the other end of the telescopic sleeve is fixed on the pedal; the telescopic sleeve comprises an inner cylinder and an outer cylinder which are coaxially arranged; the outer cylinder is sleeved outside the inner cylinder and is in sliding fit along the inner cylinder.
Through adopting above-mentioned technical scheme, protect reset spring, can restrict the moving direction of footboard not vertical simultaneously, improved the structural stability of footboard removal in-process.
The present invention in a preferred example may be further configured to: the end face, close to the pedal, of the bottom plate is fixedly provided with two handles which are vertically arranged, and the two handles are located on two sides of the pedal.
Through adopting above-mentioned technical scheme, be convenient for remove the bottom plate, no matter constructor stands on subaerial or tramples on the footboard, can both hold on the handle, has improved the security of operation in-process.
The present invention in a preferred example may be further configured to: a dust collection assembly is additionally arranged on the bottom plate; the dust collection assembly comprises a dust collection flaring arranged below the bottom plate, a water tank arranged on the bottom plate and far away from one end of the pedal, and a water pipe communicated with the dust collection flaring and the water tank; the dust absorption flaring is arranged towards the drill bit.
Through adopting above-mentioned technical scheme, when the drill bit chisels the groove in-process to concrete layer, the dust can appear, will be unfavorable for later stage bituminous paving's construction, collects this part dust, can enough accelerate the construction progress in later stage, also can improve construction environment's air quality. The water tank is arranged at one end far away from the pedal, so that the water tank and the pedal can be balanced with each other, and particularly, after constructors trample on the pedal, the stability of the bottom plate can be improved.
The second purpose of the invention is to provide a road reconstruction construction method.
The second aim of the invention is realized by the following technical scheme:
a road reconstruction construction method comprises the following steps:
s1, milling a cement surface layer;
milling the cement surface layer, and collecting slag formed after milling;
s2, roughening the concrete layer;
moving the road construction equipment to a proper position, starting a driving piece to drive, and chiseling a notch on the upper surface of the concrete layer by using a drill bit; the bottom plate is pushed to move the pedal to the position right above the notch, and the positioning block corresponds to the notch; treading on the pedal to push the pedal to move downwards until the positioning block is inserted into the notch; then starting a driving piece to drive the drill bit to chisel notches on the upper surface of the concrete layer, and repeating the steps to form a plurality of notches which are arranged at intervals on the upper surface of the concrete layer;
s3, pre-paving asphalt;
spraying asphalt above the concrete layer to form a bonding layer;
s4, paving asphalt concrete;
and paving asphalt concrete on the bonding layer, and rolling and forming an asphalt surface layer.
Through adopting above-mentioned technical scheme, through set up the notch that a plurality of intervals set up on concrete layer, can reduce the probability that produces the crack when seting up the notch on concrete layer. When pouring the asphalt concrete, more asphalt concrete can be held to the spaced notch to enlarge the area of contact between asphalt surface course and the concrete layer, improved the connection compactness between asphalt and the concrete layer. The asphalt is used as a middle transition layer on the concrete layer, so that the adhesion between the asphalt and the asphalt surface layer can be greatly improved.
The present invention in a preferred example may be further configured to: in the concrete layer roughening in S2, after the concrete layer is provided with the notch, the upper surface of the concrete layer is sprayed with water to be wet.
Through adopting above-mentioned technical scheme, can improve the inside cleanliness of notch and muddy dirt layer's degree of wetting, improve the connection compactness between pitch and the concrete layer.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the fixed shaft and the drill bit are arranged, and notches at intervals can be formed in the concrete layer;
2. through the locating piece with set up the location between the notch originally, the concrete layer on the notch all interval and evenly distributed, when having improved the later stage and having pour asphalt concrete, the connection wholeness between asphalt concrete and the concrete layer.
Drawings
Fig. 1 is a schematic view of the overall construction of a road construction apparatus;
FIG. 2 is a schematic vertical plan view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic left side view of the structure of FIG. 1;
FIG. 5 is a cross-sectional view of the road after the reconstruction is complete;
FIG. 6 is a prior art cement concrete pavement profile.
In the figure, 1, a bottom plate; 11. a roller; 2. mounting a plate; 21. a drive member; 22. a T-shaped slider; 3. a fixed shaft; 31. a drill bit; 4. a drive assembly; 41. fixing the rod; 411. a motor; 42. a driving gear; 43. a driven gear; 5. a closing plate; 51. a chute; 6. a handle; 61. a vertical section; 62. a horizontal segment; 63. an inclined section; 64. a limiting section; 7. a pedal; 71. a return spring; 72. a telescopic sleeve; 721. an inner barrel; 722. an outer cylinder; 73. positioning blocks; 8. a dust collection assembly; 81. dust collection flaring; 82. a water tank; 83. a water pipe; 9. tamping a soil layer; 91. a base layer; 92. a concrete layer; 921. a notch; 93. a cement surface layer; 10. a bonding layer; 101. and (5) an asphalt surface layer.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1, for the road construction equipment that this application disclosed, including being bottom plate 1 that the cuboid set up, bottom plate 1 sets up along the level. And four rollers 11 are fixed on the lower surface of the bottom plate 1, and the rollers 11 are universal wheels.
With reference to fig. 1 and 2, a mounting plate 2 parallel to the base plate 1 is disposed above the base plate 1, the mounting plate 2 and the base plate 1 are connected by two driving members 21 for driving the mounting plate 2 to ascend and descend, and the driving members 21 are electric cylinders, hydraulic cylinders or other conventional telescopic structures.
A plurality of vertical fixing shafts 3 are arranged below the mounting plate 2, and the fixing shafts 3 are rotatably connected to the lower surface of the mounting plate 2 through bearings. The bottom of the fixed shaft 3 penetrates through the bottom plate 1 and is in running fit with the bottom plate 1 through a bearing, and a drill 31 is fixed at the bottom end of the fixed shaft 3. The drill 31 is arranged cylindrically and the lower surface of the drill 31 is provided with an earth penetrating needle. In the initial state, the drill 31 is located above the roller 11, and when the driver 21 drives the mounting plate 2 to descend, the drill 31 can move into the supporting surface below the roller 11.
In order to enable all the fixed shafts 3 to rotate synchronously, the mounting plate 2 is further provided with a driving assembly 4, as shown in fig. 2 and 3. The driving assembly 4 includes a fixing lever 41, a driving gear 42 and a driven gear 43. The fixing rod 41 is located between all the regions enclosed by the fixing shaft 3, one end of the fixing rod 41 is rotatably connected to the bottom plate 1 through a bearing, the other end of the fixing rod 41 penetrates through the mounting plate 2 and is provided with the motor 411, and the fixing rod 41 and the mounting plate 2 are rotatably matched through a bearing. The motor 411 is fixed on the upper surface of the mounting plate 2, so as to drive the fixing rod 41 to rotate. The driving gear 42 is vertically fixed in the middle of the fixing rod 41 and is driven by the fixing rod 41 to rotate. A plurality of driven gears 43 are uniformly distributed around the driving gear 42, and the embodiment takes 4 driven gears 43 as an example for explanation. The driven gear 43 and the driving gear 42 are engaged with each other, and the driven gear 43 is vertically fixed to the middle of the fixed shaft 3. When the motor 411 rotates, the driving gear 42 drives the driven gear 43 to rotate synchronously, so that all the fixed shafts 3 rotate synchronously.
In order to protect the drive assembly 4, the mounting plate 2 is provided with a closing plate 5 on the periphery. The closing plate 5 is provided with one on each side of the mounting plate 2 so that the mounting and all closing plates 5 form a closed space. Each lateral end face of the mounting plate 2 is provided with a T-shaped sliding block 22, and the closing plate 5 is provided with a sliding groove 51 which is vertically matched with the T-shaped sliding blocks 22 in an interactive mode. When the driving member 21 drives the mounting plate 2 to ascend and descend, the T-shaped sliding block 22 slides along the sliding groove 51.
With reference to fig. 2 and 4, in order to facilitate moving the bottom plate 1, a handle 6 with two vertically arranged eyes is fixed on one end surface of the side edge of the bottom plate 1. Two handles 6 interval sets up, and handle 6 includes vertical section 61, horizontal segment 62, slope section 63 and spacing section 64. Vertical section 61 is fixed in the terminal surface of bottom plate 1, and horizontal segment 62 is fixed in the top of vertical section 61, and horizontal segment 62 orientation deviates from the direction extension setting of bottom plate 1. The inclined section 63 is inclined downwards from the suspended end of the horizontal section 62 to the direction deviating from the bottom plate 1, the limiting section 64 is fixed at the suspended end of the inclined section 63, and the limiting section 64 is horizontally arranged. When the constructor stands on the ground, the oblique section 63 is held by the hand to push the bottom plate 1 to move.
The lower surface of the bottom plate 1 close to the handle 6 is additionally provided with a horizontal pedal 7, and the pedal 7 is connected through at least two return springs 71. The footplate 7 extends from the lower surface of the base plate 1 to a position between the two handles 6 towards the outside of the base plate 1, and the projection of the horizontal section 62 on the footplate 7 is exactly the same as the width of the footplate 7 at the periphery of the base plate 1. The outer portion of the return spring 71 is additionally provided with a telescopic sleeve 72, the telescopic sleeve 72 comprises an inner cylinder 721 and an outer cylinder 722 which are coaxially arranged, and the outer cylinder 722 is sleeved outside the inner cylinder 721 and is in sliding fit with the inner cylinder 721. The top of the inner cylinder 721 is fixed on the lower surface of the bottom plate 1, and the other end is suspended; the bottom end of the outer cylinder 722 is fixed on the upper surface of the pedal 7, and the other end is suspended.
A positioning block 73 is fixed on the lower surface of the pedal 7, and the section of the positioning block 73 is not larger than that of the drill 31. When the constructor steps on the pedal 7, the constructor holds the horizontal section 62 by hand, and the return spring 71 is extended, so that the positioning block 73 moves downward.
In order to collect dust generated when the drill 31 drills the concrete layer 92, a dust suction assembly 8 is additionally arranged on the bottom plate 1. The dust suction assembly 8 comprises a dust suction flared opening 81 welded to the lower part of the base plate 1, a water tank 82 arranged at one end of the base plate 1 far from the pedal 7, and a water pipe 83 communicating the dust suction flared opening 81 and the water tank 82. At least two dust suction flares 81 are provided, and the opening of the dust suction flares 81 is disposed toward the bit 31. The water pipes 83 connected to the two dust suction flares 81 are communicated with each other, the water pipes 83 are wound from the edge of the bottom plate 1 to the upper part of the bottom plate 1 and then connected to the water tank 82, and the end parts of the water pipes 83 are positioned below the liquid level of the water tank 82. The water pipe 83 is positioned below the bottom plate 1 by a tie or a U-shaped metal connector.
With reference to fig. 2 and 5, the present embodiment further discloses a road reconstruction method using the road construction equipment, which includes the following steps:
s1, milling a cement surface layer 93;
the cement surface layer 93 is milled by a milling machine until coarse aggregates in the concrete layer 92 are exposed on the road surface, and simultaneously, crushed slag formed after milling is collected into a collection box.
S2, roughening the concrete layer 92;
the road construction equipment is moved to a proper position, the driving member 21 is turned on, and the drill 31 drills four notches 921 in the upper surface of the concrete layer 92. The constructor is forced to push the bottom plate 1 to move the pedal 7 to the position right above one of the notches 921 by the inclined section 63 of the handle 6, and the positioning block 73 corresponds to the notch 921. The constructor steps on the pedal 7 with the horizontal section 62, so that the return spring 71 is stretched and pushes the pedal 7 to move downwards until the positioning block 73 is inserted into the slot 921. The driver 21 is then activated to drive the drill bit 31 to chisel the notches 921 in the upper surface of the concrete layer 92, and so on, that the upper surface of the concrete forms a plurality of notches 921 arranged at intervals, and the notches 921 are arranged evenly in four units. After the concrete layer 92 is provided with the notch 921, the upper surface of the concrete layer 92 is wetted by spraying water.
S3, pre-paving asphalt;
after the moisture on the concrete layer 92 is completely absorbed, that is, no water drops exist on the upper surface of the concrete layer 92, asphalt is sprayed on the concrete layer 92 to form the bonding layer 10. The asphalt can be selected from asphalt with high fluidity such as petroleum asphalt, emulsified asphalt, etc.
S4, paving asphalt concrete;
asphalt concrete is laid on the bond coat 10 and rolled to form an asphalt top coat 101. The asphalt concrete is formed by mixing foamed asphalt and the slag collected in S1, and the mixing proportion is set according to the actual strength requirement of the asphalt concrete.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A road construction equipment which characterized in that: comprises a bottom plate (1), a mounting plate (2) arranged above the bottom plate (1), a fixed shaft (3) connected to the mounting plate (2) and arranged by penetrating through the bottom plate (1), and a drill bit (31) fixed at one end of the fixed shaft (3) far away from the mounting plate (2); the lower surface of the bottom plate (1) is provided with a plurality of rollers (11); be connected with between bottom plate (1) and mounting panel (2) and be used for driving piece (21) that mounting panel (2) go up and down, work as fixed axle (3) reduce the back, drill bit (31) bottom can be located gyro wheel (11) below.
2. The road construction equipment according to claim 1, characterized in that: the fixed shafts (3) are vertically arranged and provided with a plurality of fixed shafts, and the end parts of the fixed shafts (3) are rotationally connected with the mounting plate (2); the mounting plate (2) is provided with a driving component (4) for driving all the fixed shafts (3) to synchronously rotate; the driving assembly (4) comprises a fixed rod (41) which is rotatably connected between the mounting plate (2) and the bottom plate (1), a driving gear (42) which is fixed on the fixed rod (41) and a driven gear (43) which is fixed on the fixed shaft (3) and is meshed with the driving gear (42); the top of the fixed rod (41) penetrates through the mounting plate (2) and is connected with a motor (411), and the motor (411) is fixed on the mounting plate (2).
3. The road construction equipment according to claim 1 or 2, characterized in that: a pedal (7) is arranged below one end face of the bottom plate (1), and the pedal (7) is connected with the bottom plate (1) through a plurality of reset springs (71); a positioning block (73) is fixed at the bottom of the bottom plate (1), and the section of the positioning block (73) is not larger than that of the drill bit (31); in an initial state, the positioning block (73) is positioned above the roller (11); when the return spring (71) extends, the positioning block (73) can move to the lower part of the roller (11).
4. The road construction equipment according to claim 3, wherein: a telescopic sleeve (72) is sleeved outside the return spring (71); one end of the telescopic sleeve (72) is fixed on the mounting plate (2), and the other end is fixed on the pedal (7); the telescopic sleeve (72) comprises an inner cylinder (721) and an outer cylinder (722) which are coaxially arranged; the outer cylinder (722) is sleeved outside the inner cylinder (721) and is in sliding fit along the inner cylinder (721).
5. The road construction equipment according to claim 3, wherein: the end face, close to the pedal (7), of the bottom plate (1) is fixedly provided with two handles (6) which are vertically arranged, and the two handles (6) are located on two sides of the pedal (7).
6. The road construction equipment according to claim 3, wherein: a dust collection assembly (8) is additionally arranged on the bottom plate (1); the dust collection assembly (8) comprises a dust collection flaring (81) arranged below the bottom plate (1), a water tank (82) arranged at one end, far away from the pedal (7), of the bottom plate (1) and a water pipe (83) communicated with the dust collection flaring (81) and the water tank (82); the dust suction flare (81) is disposed toward the drill bit (31).
7. A road reconstruction construction method using the road construction equipment according to claim 3, characterized in that: the method comprises the following steps:
s1, milling a cement surface layer;
milling the cement surface layer (93), and collecting slag formed after milling;
s2, roughening the concrete layer (92);
moving the road construction equipment to a proper position, starting a driving piece (21) to drive, and chiseling a notch (921) on the upper surface of the concrete layer (92) by a drill bit (31); the bottom plate (1) is pushed to move the pedal (7) to the position right above the notch (921), and the positioning block (73) corresponds to the notch (921); the pedal (7) is stepped on the pedal (7) to push the pedal (7) to move downwards until the positioning block (73) is inserted into the notch (921); then starting a driving piece (21) to drive a drill bit (31) to chisel a notch (921) on the upper surface of the concrete layer (92), and repeating the steps to enable the upper surface of the concrete layer (92) to form a plurality of notches (921) arranged at intervals;
s3, pre-paving asphalt;
spraying asphalt above the concrete layer (92) to form a bonding layer (10);
s4, paving asphalt concrete;
and paving asphalt concrete on the bonding layer (10), and rolling and forming an asphalt surface layer (101).
8. The road reconstruction construction method according to claim 7, characterized in that: in roughening the concrete layer (92) in S2, after the notch (921) is opened in the concrete layer (92), the upper surface of the concrete layer (92) is wetted with water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010605500.3A CN111764221B (en) | 2020-06-29 | 2020-06-29 | Road construction equipment and road reconstruction construction method using same |
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|---|---|---|---|
| CN202010605500.3A CN111764221B (en) | 2020-06-29 | 2020-06-29 | Road construction equipment and road reconstruction construction method using same |
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| CN111764221B CN111764221B (en) | 2022-03-18 |
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| CN111218884A (en) * | 2018-11-26 | 2020-06-02 | 黎桃玲 | Novel road surface drilling device |
| CN209923743U (en) * | 2019-04-17 | 2020-01-10 | 马瑞明 | Dust-absorption type joint expander for road repair |
| CN210177330U (en) * | 2019-06-04 | 2020-03-24 | 青岛市民用建筑设计院有限公司 | Road cementation of fissures device is used in town road construction |
| CN210712472U (en) * | 2019-09-20 | 2020-06-09 | 秦绪彬 | Highway construction detection device |
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| CN111764221B (en) | 2022-03-18 |
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