Asphalt concrete paving equipment

By introducing an air pump and nozzle system into the asphalt concrete paving equipment, and by optimizing the spraying and hopper design in conjunction with the rotating structure, the dust problem during paving was solved, resulting in better adhesion and paving uniformity.

CN223633760UActive Publication Date: 2025-12-05HUIZHOU AUGIE WEIYE CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202423245513.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-05
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing asphalt concrete paving equipment generates a large amount of dust during the paving process, which affects the adhesion of asphalt concrete.

Method used

An asphalt concrete paving device was designed, equipped with an air pump, air supply pipe and nozzles. The device uses compressed air nozzles to blow away dust from the ground, and optimizes the blowing range of the nozzles through a rotating structure. Combined with a hopper and a feeding roller, it controls the feeding accuracy and uniformity of the asphalt concrete.

Benefits of technology

It effectively reduced ground dust, improved the adhesion of asphalt concrete, and ensured the uniformity and precision of paving.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of road construction, and particularly relates to asphalt concrete paving equipment which comprises a rack, one side of the rack is fixedly connected with a traction frame, the other side of the rack is rotatably connected with a plurality of compression rollers, two sides of the rack are rotatably connected with rotating shafts, and the rotating shafts are fixedly connected with wheels; the top of the rack is fixedly connected with an air pump, the output end of the air pump is fixedly connected with an air conveying pipe, the bottom of the rack is fixedly connected with a pair of supports, transverse pipes are installed on the supports, the ends of the transverse pipes are communicated with the air conveying pipe, and a plurality of nozzles are fixedly connected to the transverse pipes. The air pump conveys compressed air to the air conveying pipe and injects the compressed air into the transverse pipe, then the compressed air is sprayed out through the multiple nozzles, and the nozzles are used for sweeping the ground, so that dust on the ground is blown away, sand and dust on the ground are reduced, and the bonding effect of the dust on asphalt concrete can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to road construction field, concretely is a kind of asphalt concrete paving equipment. BACKGROUND

[0002] Asphalt concrete mixture is by the coarse aggregate of proper proportion, fine aggregate and filler composition meets the specified gradation of mineral aggregate, with asphalt mixture mixing and formed with technical standard asphalt mixture, usually used in road pavement, parking lot, airport and the core of dam.

[0003] At present, in prior art, asphalt concrete paving equipment is used to pave asphalt concrete on roadbed surface, paving equipment is connected with traction equipment through traction frame, moves by relying on traction equipment to drag paving equipment, and paving equipment pushes asphalt concrete by roller or ironing plate to flatten asphalt concrete.

[0004] But during paving, part of road dust is large, which will cause sand dust to be accumulated on roadbed surface, and these sand dust will affect the bonding effect of asphalt concrete;Therefore, aiming at the above problems, an asphalt concrete paving equipment is provided. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiency of prior art, solve at least one technical problem proposed in background art, the utility model provides an asphalt concrete paving equipment.

[0006] The utility model discloses a kind of asphalt concrete paving equipment, including rack, the one side of the rack is fixedly connected with traction frame, the other side of the rack is rotatably connected with multiple compression rollers, the both sides of the rack are rotatably connected with shaft, and the shaft is fixedly connected with wheel;The top of the rack is fixedly connected with air pump, the output end of the air pump is fixedly connected with gas pipe, the bottom of the rack is fixedly connected with a pair of supports, the support is installed with cross pipe, the end of the cross pipe is connected with gas pipe, and the cross pipe is fixedly connected with multiple nozzles.

[0007] Preferably, the end of the shaft is fixedly connected with wheel seat, the wheel seat is provided with protrusion, the gas pipe is flexible pipe, the cross pipe is fixedly connected with push rod at corresponding position with the wheel seat, and the cross pipe penetrates through support and is slidably connected with it.

[0008] Preferably, multiple rolling grooves are arranged in the inside of the support, the rolling groove is buckled and connected with ball bearing in rolling, the surface of the cross pipe is provided with recess at corresponding position with ball bearing, and the ball bearing is embedded into recess and is slidably matched with it.

[0009] Preferably, the middle part of the frame is fixedly connected with a hopper, the bottom of the hopper is rotationally connected with two discharging rollers, the ends of the two discharging rollers are fixedly connected with gears, the gears are meshed with each other, the side surface of the frame is fixedly connected with a speed reducer motor, and the output end of the speed reducer motor is fixedly connected with the discharging rollers.

[0010] Preferably, the two ends of the discharging roller are provided with guide grooves in a spiral structure.

[0011] Preferably, the end of the push rod is rotationally connected with a pulley, and the cross section of the protrusion is provided in a trapezoidal structure.

[0012] The utility model discloses the beneficial effect that:

[0013] 1. The utility model discloses a traction frame, traction equipment and the connection of traction frame, pull the paving equipment and move, the process of moving, the roller of the rear side of the frame is rolled and is pressed flat to the asphalt concrete, in the process of the frame walking, start the air pump, and the air pump transports the compressed air to the gas pipe, and then is injected into the inside of the cross pipe, and then is sprayed through a plurality of nozzles, relies on the nozzle to carry out the sweeping ground, thereby blowing the dust on the ground, reduces the sand on the ground, can reduce the dust adhesion effect to asphalt concrete with this.

[0014] 2. The utility model discloses a hopper, discharging roller, gear and speed reducer, in use, the hopper is used for receiving asphalt concrete, and the asphalt concrete is discharged from the bottom of the hopper, and then relies on the speed reducer to drive two discharging rollers to rotate, and the rotation of the two discharging rollers is used to convey the asphalt concrete to discharge, so that the precision and uniformity of discharging can be conveniently controlled. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the cross pipe structure schematic diagram of the utility model;

[0018] Figure 3 It is the wheel seat structure schematic diagram of the utility model;

[0019] Figure 4 It is the support cross section structure schematic diagram of the utility model.

[0020] Figure 5 The utility model discloses a hopper structure schematic view.

[0021] In the drawing: 11, frame; 12, traction frame; 13, compression roller; 14, air pump; 15, gas pipe; 16, cross pipe; 17, support; 18, nozzle; 21, rotating shaft; 22, push rod; 23, wheel seat; 24, protrusion; 31, ball; 32, groove; 41, hopper; 42, discharging roller; 43, gear; 44, speed reducer motor; 5, guide groove; 6, pulley. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] The specific embodiments are given below.

[0024] Please refer to Figures 1-4 As shown in the drawing, an asphalt concrete paving equipment includes a frame 11, one side of the frame 11 is fixedly connected with a traction frame 12, the other side of the frame 11 is rotatably connected with a plurality of compression rollers 13, both sides of the frame 11 are rotatably connected with rotating shafts 21, the rotating shafts 21 are fixedly connected with wheels; the top of the frame 11 is fixedly connected with an air pump 14, the output end of the air pump 14 is fixedly connected with a gas pipe 15, the bottom of the frame 11 is fixedly connected with a pair of supports 17, the supports 17 are installed with cross pipes 16, the end of the cross pipes 16 is communicated with the gas pipe 15, the cross pipes 16 are fixedly connected with a plurality of nozzles 18;

[0025] In use, the traction frame 12 is connected with traction equipment, and the paving equipment is pulled to move, in the moving process, the compression roller 13 at the rear side of the frame 11 rolls to flatten the asphalt concrete, in the walking process of the frame 11, the air pump 14 is started, the air pump 14 delivers compressed air to the gas pipe 15, and injects into the cross pipe 16, and then is sprayed through the plurality of nozzles 18, and the dust on the ground is blown away by the nozzles 18, so that the dust on the ground is reduced, and the adhesion effect of the dust on the asphalt concrete is reduced.

[0026] Further, as Figures 2-3As shown, the end of the rotating shaft 21 is fixedly connected with a wheel seat 23, the wheel seat 23 is provided with a protrusion 24, the gas conveying pipe 15 is a hose, the push rod 22 is fixedly connected with the wheel seat 23 at the corresponding position of the cross pipe 16, the cross pipe 16 penetrates through the support 17 and is in sliding connection with the support 17; the end of the push rod 22 is rotatably connected with a pulley 6, the cross section of the protrusion 24 is provided in a trapezoidal structure;

[0027] In use, the wheel rotates, which drives the rotating shaft 21, the wheel seat 23 and the protrusion 24 to rotate, the protrusion 24 is provided in a trapezoidal structure, which drives the push rod 22 to move, and then drives the cross pipe 16 to move, the protrusions 24 on the two wheel seats 23 alternately drive the cross pipe 16 to slide, so as to drive the cross pipe 16 and the nozzle to reciprocate, which can improve the blowing area of the nozzle, so as to reduce the dead angle of the ground blowing dust and improve the cleaning effect, the pulley 6 rotatably connected with the end of the push rod 22 can reduce the friction between the pulley 6 and the protrusion 24 of the wheel seat 23, which facilitates the movement of the cross pipe 16.

[0028] Further, as shown in the figure, Figure 4 The inside of the support 17 is provided with a plurality of rolling grooves, the rolling grooves are buckled with rolling balls 31 in rolling connection, the surface of the cross pipe 16 is provided with a groove 32 at the corresponding position of the rolling ball 31, and the rolling ball 31 is embedded into the groove 32 and in sliding cooperation with the groove 32;

[0029] In use, the rolling ball 31 can roll in the rolling groove, and the rolling ball 31 is inserted into the groove 32 to roll, and the rolling ball 31 and the groove 32 cooperate, which can limit the movement range of the cross pipe 16 and reduce the sliding friction between the cross pipe 16 and the support 17.

[0030] Further, as shown in the figure, Figure 5 The middle of the rack 11 is fixedly connected with a hopper 41, the bottom of the hopper 41 is rotatably connected with two discharging rollers 42, the ends of the two discharging rollers 42 are fixedly connected with gears 43, the two gears 43 are in meshing connection, the side of the rack 11 is fixedly connected with a speed reducer 44, and the output end of the speed reducer 44 is fixedly connected with the discharging roller 42; the two ends of the discharging roller 42 are provided with guide grooves 5, and the guide grooves 5 are provided in a spiral structure;

[0031] In use, the hopper 41 is used to receive asphalt concrete, the asphalt concrete is discharged from the bottom of the hopper 41, and then the two discharge rollers 42 are driven to rotate by the speed reducer motor 44, the asphalt concrete is conveyed and discharged by the rotation of the two discharge rollers 42, so that the accuracy and uniformity of the discharging can be conveniently controlled, the two discharge rollers 42 are driven by the two gears 43, in use, the guide groove 5 is arranged, so that the asphalt concrete can be conveniently pushed to move inside the hopper 41, so that the asphalt concrete can be conveniently flattened inside the hopper 41, thereby reducing the situation that part of the area lacks asphalt concrete during discharging.

[0032] Further, as shown in Figure 3 the two guide grooves 5 at both ends of the discharge roller 42 are opposite in spiral direction, in use, the setting can conveniently guide the flattening of the asphalt concrete inside the hopper 41.

[0033] The working principle is that, in use, the traction frame 12 is connected with the traction equipment, the paving equipment is pulled to move, the pressing roller 13 at the rear side of the frame 11 rolls to flatten the asphalt concrete, in the process of moving of the frame 11, the air pump 14 is started, the air pump 14 sends the compressed air to the gas conveying pipe 15, and then the compressed air is injected into the cross pipe 16, and then is sprayed through the plurality of nozzles 18, the dust on the ground is blown away by the nozzles 18, so that the dust on the ground is blown away, the dust on the ground is reduced, so that the adhesion effect of the dust on the asphalt concrete is reduced, in the process of rotation of the wheels, the rotating shaft 21, the wheel seat 23 and the protrusions 24 are rotated, the protrusions 24 are arranged in a trapezoidal structure, the push rod 22 is pushed to move, and then the cross pipe 16 is driven to move, the cross pipe 16 and the nozzle are driven to reciprocate by the protrusions 24 on the two wheel seats 23, so that the cleaning area of the nozzle is increased, the dead angle of blowing dust on the ground is reduced, and the cleaning effect is improved, the pulley 6 is rotatably connected to the end of the push rod 22, the pulley 6 can reduce the friction between the protrusions 24 of the wheel seat 23, the ball 31 is embedded in the rolling groove and can roll, the ball 31 is inserted into the groove 32 and rolls, the ball 31 and the groove 32 are matched, so that the movement range of the cross pipe 16 is limited, and the sliding friction between the cross pipe 16 and the support 17 is reduced, in use, the hopper 41 is used for receiving the asphalt concrete, the asphalt concrete is discharged from the bottom of the hopper 41, and then the two discharge rollers 42 are driven to rotate by the speed reducer 44, so that the asphalt concrete is conveyed and discharged by the rotation of the two discharge rollers 42, so that the precision and uniformity of the discharging can be controlled, the two discharge rollers 42 are driven by the two gears 43, in use, the guide groove 5 is arranged, so that the asphalt concrete in the hopper 41 can be pushed to move, so that the asphalt concrete in the hopper 41 can be flattened, and the situation that some areas lack asphalt concrete during discharging is reduced.

[0034] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An asphalt concrete paving device, comprising a frame (11), a traction frame (12) is fixed on one side of the frame (11), a plurality of compression rollers (13) are rotatably connected to the other side of the frame (11), a rotating shaft (21) is rotatably connected to both sides of the frame (11), and a wheel is fixed on the rotating shaft (21); characterized in that: The top of the frame (11) is fixedly connected with an air pump (14), the output end of the air pump (14) is fixedly connected with a gas conveying pipe (15), the bottom of the frame (11) is fixedly connected with a pair of supports (17), the supports (17) are installed with a cross pipe (16), the end of the cross pipe (16) is connected with the gas conveying pipe (15), and a plurality of nozzles (18) are fixedly connected to the cross pipe (16).

2. An asphalt concrete paving apparatus according to claim 1, characterized in that: The end of the rotating shaft (21) is fixedly connected with a wheel seat (23), the wheel seat (23) is provided with a protrusion (24), the gas conveying pipe (15) is a flexible pipe, the cross pipe (16) is fixedly connected with a push rod (22) at a position corresponding to the wheel seat (23), and the cross pipe (16) penetrates through the support (17) and is in sliding connection with the support (17).

3. An asphalt concrete paving machine as claimed in claim 2, characterized in that: A plurality of rolling grooves are formed in the inside of the support (17), the rolling grooves are buckled with rolling balls (31) in rolling connection, the surface of the cross pipe (16) is provided with a groove (32) at a position corresponding to the rolling ball (31), and the rolling ball (31) is embedded in the groove (32) and is in sliding connection with the groove (32).

4. An asphalt concrete paving machine as defined in claim 1, wherein: The middle of the frame (11) is fixedly connected with a hopper (41), the bottom of the hopper (41) is rotatably connected with two discharging rollers (42), the ends of the two discharging rollers (42) are fixedly connected with gears (43), the two gears (43) are in meshing connection, the side of the frame (11) is fixedly connected with a speed reducer (44), and the output end of the speed reducer (44) is fixedly connected with the discharging roller (42).

5. An asphalt concrete paving machine as claimed in claim 4, characterized in that: The two ends of the discharging roller (42) are provided with guide grooves (5), and the guide grooves (5) are in spiral structure.

6. An asphalt concrete paving machine as defined in claim 2, wherein: The end of the push rod (22) is rotatably connected with a pulley (6), and the cross section of the protrusion (24) is in trapezoidal structure.