CN-117364573-B - Device and method for paving uniform and compact cement stabilized macadam

Abstract

The invention belongs to the technical field of cement construction, in particular to a uniform and compact cement stabilized macadam paving device and a method, which are characterized in that rectangular square frames walk according to tracks, the upper surfaces of the rectangular square frames are symmetrically distributed and fixedly connected with a supporting bottom plate, the upper surfaces of the supporting bottom plate are provided with crushing stirring mechanisms, the lower surfaces of the crushing stirring mechanisms are connected with a discharge hole adjusting mechanism, and the inner surfaces of the rectangular square frames are provided with paving mechanisms. According to the device and the method for paving the cement stabilized macadam uniformly and compactly, when the cement stone passes through the crushing pipe, the crushing rod is controlled to rotate, so that the crushing rod is driven to rotate at a high speed, the macadam in the cement stone can be further crushed and falls into the stirring barrel, so that the speed reducing motor is controlled to act, the stirring rod and the arc-shaped stirring support rod connected with the outer surface of the stirring rod are controlled to rotate, the cement stone stored in the stirring barrel can be uniformly stirred, the flexibility of the cement stone can be increased, and the cement stone can be uniformly paved on a road surface.

Inventors

• LUO BIFENG
• LI YONGHUI
• DENG QIANG
• TIAN ZHIPENG
• WANG KANGJUN
• WU WULIU
• LIANG JIANCHENG
• DENG YUCHUAN
• LI DONGLIANG

Assignees

• 中交二公局第七工程有限公司

Dates

Publication Date

20260512

Application Date

20231027

Claims (5)

1. 1. The uniform and compact cement stabilized macadam paving device comprises a rectangular square frame (1) which walks according to a track, and is characterized in that the upper surface of the rectangular square frame (1) is symmetrically distributed and fixedly connected with a supporting bottom plate (11), the upper surface of the supporting bottom plate (11) is provided with a crushing and stirring mechanism (2), the lower surface of the crushing and stirring mechanism (2) is connected with a discharge hole adjusting mechanism (4), and the inner surface of the rectangular square frame (1) is provided with a paving mechanism (6); wherein, the crushing and stirring mechanism (2) crushes the poured cement stone and stirs the poured cement stone when the cement stone is stored; The crushing and stirring mechanism (2) comprises a stirring barrel (21) arranged on the upper surface of the supporting bottom plate (11), one end of the upper surface of the stirring barrel (21) is fixedly communicated with a crushing pipe (22), and the upper surface of the crushing pipe (22) is fixedly communicated with a blanking hopper (23); The crushing stirring mechanism (2) further comprises a supporting plate (31) fixedly connected to the outer surface of the stirring barrel (21) through a fixed ring, the upper surface of the supporting plate (31) is fixedly connected with a water tank (32) through a supporting rod, the inner top wall of the stirring barrel (21) is fixedly connected with a water inlet ring pipe (33) through a connecting rod, the water outlet end of the water tank (32) is fixedly communicated with the inside of the water inlet ring pipe (33) through a water inlet pipe, and the lower surface of the water inlet ring pipe (33) is fixedly communicated with spray heads (34) distributed in an annular array; Wherein, the discharge port adjusting mechanism (4) opens and discharges the sealed discharge port of the crushing and stirring mechanism (2); The discharging hole adjusting mechanism (4) comprises an arc discharging hole (41) which is formed in the lower surface of the stirring barrel (21) in a penetrating mode, the outer surface of the lower end of the stirring barrel (21) is rotationally connected with a concave adjusting rotary table (42) through a rotary bearing, a socket (43) corresponding to the arc discharging hole (41) is formed in the inner bottom surface of the adjusting rotary table (42) in a penetrating mode, a conical discharging pipe (44) is fixedly communicated with the lower surface of the socket (43), and a discharging bent pipe (45) is fixedly communicated with the lower surface of the conical discharging pipe (44); The discharging hole adjusting mechanism (4) further comprises pushing cylinders (46) which are symmetrically distributed and fixedly arranged on the inner bottom surface of the middle part of the adjusting turntable (42), a vacuum sucker (47) is fixedly connected to the surface of a piston rod of each pushing cylinder (46), the upper surface of each vacuum sucker (47) is in sliding contact with the lower surface of the stirring barrel (21), a concave groove (48) is formed in the lower surface of the adjusting turntable (42), a driving motor (49) is rotatably arranged on the inner side wall of each concave groove (48) through a mounting bearing, and the outer surface of an output shaft of each driving motor (49) is fixedly connected with the inner top wall of each concave groove (48) through a coupler; The discharging hole adjusting mechanism (4) further comprises a cleaning cavity (50) penetrating through the upper surface of the adjusting turntable (42) and formed in the cleaning cavity, a sealing cover (51) which is downwards opened is hinged to the inner side wall of the upper end of the cleaning cavity (50), pulling air cylinders (52) are symmetrically distributed and hinged to the inner side wall of the cleaning cavity (50), the piston rod surface of the pulling air cylinders (52) is hinged to the lower surface of the sealing cover (51), a pushing air cylinder (53) is fixedly connected to the inner bottom wall of the cleaning cavity (50), a blocking air bag (54) is fixedly connected to the piston rod surface of the pushing air cylinder (53), an ultrasonic cleaner (55) is fixedly connected to the inner wall of the cleaning cavity (50), and a liquid inlet pipe (56) and a drain pipe (57) are fixedly communicated to the inner wall of the cleaning cavity (50) respectively; wherein, the paving mechanism (6) paves and shakes the discharged cement stone.
2. 2. The uniform and compact cement stabilized macadam paving device according to claim 1, wherein the crushing stirring mechanism (2) further comprises supporting brackets (24) fixedly connected to inner side walls of the upper end and the lower end of the crushing pipe (22), the surface of the supporting bracket (24) at the upper end is rotatably connected with a crushing rod (25) through a bearing, and the upper surface of the crushing rod (25) is fixedly connected with a crushing blade (26); The crushing stirring mechanism (2) further comprises a rotating motor (27) fixedly connected to the surface of the support bracket (24) at the lower end, and the outer surface of an output shaft of the rotating motor (27) is fixedly connected with the lower surface of the crushing rod (25) through a coupler.
3. 3. The device for paving the cement stabilized macadam uniformly and compactly according to claim 2, wherein the crushing and stirring mechanism (2) further comprises a stirring rod (28) rotatably connected to the inner wall of the stirring barrel (21) through a bearing, a gear motor (29) is fixedly connected to the upper surface of the stirring barrel (21), the outer surface of an output shaft of the gear motor (29) is fixedly connected with the upper surface of the stirring rod (28) through a coupler, and arc-shaped stirring struts (30) which are staggered are fixedly connected to the outer surface of the stirring rod (28) through connecting struts.
4. 4. The uniform and compact cement stabilized macadam paving device according to claim 3, wherein the paving mechanism (6) comprises a paving rod (61) and a road roller (62) which are respectively connected to the inner surfaces of two ends of the rectangular box (1) in a rotating manner through bearings, guide wheels (63) are fixedly connected to two ends of a roller shaft of the paving rod (61) and two ends of a roller shaft of the road roller (62), the paving rod (61) is in linkage with the road roller (62) through a first belt pulley assembly, a first servo motor (64) is fixedly connected to the upper surface of one end of the rectangular box (1), and the rotation of the paving rod (61) is controlled by an output shaft outer surface of the first servo motor (64) through a second belt pulley assembly; The utility model provides a novel automatic pavement mechanism, including rectangle square frame (1), including square frame (69), the mechanism of spreading (6), be in through bearing rotation connection bull stick (65) of rectangle square frame (1) middle part internal surface, the outward appearance of bull stick (65) is rectangle array distribution fixedly connected with cam piece (66), the both ends surface mounting of bull stick (65) has connecting bearing (67), the outward appearance of connecting bearing (67) is annular array distribution fixedly connected with vibrating spring (68), the outward surface activity of bull stick (65) cup joints vibrating tube (69), the free end of vibrating spring (68) with the mouth of pipe inside wall fixed connection of vibrating tube (69), the inner wall fixedly connected with of vibrating tube (69) shakes and beats piece (70), the surface of shaking piece (70) with the surface sliding contact of cam piece (66), the upper surface fixedly connected with second servo motor (71) of square frame (1), second servo motor (71) are through the control of third belt pulley subassembly bull stick (65) rotates, the internal surface fixedly connected with rubber scraper blade (72).
5. 5. A method of using a uniform compacted cement stabilized macadam paving apparatus according to any of claims 1-4, comprising the steps of: S1, conveying pre-stirred cement stones to a discharging hopper (23) through a feeding pipe, wherein when the cement stones pass through a crushing pipe (22), a rotating motor (27) supported by a lower end supporting bracket (24) controls a crushing rod (25) supported by an upper end supporting bracket (24) to rotate, so that a crushing blade (26) can be driven to rotate at a high speed, and crushed stones in the cement stones can be further crushed; S2, enabling crushed and stirred cement stones to pass through the crushing pipe (22) and then fall into the stirring barrel (21), and at the moment, sealing the arc-shaped discharge hole (41), controlling the speed reducing motor (29) to act so as to control the stirring rod (28) and the arc-shaped stirring support rod (30) connected with the outer surface of the stirring rod to rotate, so that the cement stones stored in the stirring barrel (21) can be stirred; s3, when the cement stone is stirred, water in the water tank (32) is conveyed to the water inlet ring pipe (33) through the water inlet pipe and then uniformly sprayed into the stirred cement stone through the spray head (34), and the cement stone is kept stirred in the stirring barrel (21); S4, when the stirring barrel (21) is discharged, the vacuum chuck (47) stops adsorbing the lower surface of the stirring barrel (21), the pushing air cylinder (53) drives the vacuum chuck (47) to reset, at the moment, the driving motor (49) in the concave groove (48) controls the adjusting rotary table (42) to rotate 180 degrees, when the adjusting rotary table (42) rotates, the blocking air bag (54) is contracted, when the pushing air cylinder (53) resets, the blocking air bag (54) is driven to retract to the cleaning cavity (50), then the sealing cover (51) seals the cleaning cavity (50) under the pushing of a piston rod of the pulling air cylinder (52), cleaning liquid is injected into the cleaning cavity (50) through the liquid inlet pipe (56), and the ultrasonic cleaner (55) vibrates the cleaning liquid, so that the blocking air bag (54) can be vibrated and the cleaned sewage is discharged from the sewage draining pipe (57). S5, after the adjusting turntable (42) rotates, the socket (43) can be abutted with the arc-shaped discharge hole (41), and at the moment, along with the rotation of the stirring rod (28) and the arc-shaped stirring support rod (30), stirred cement stones can be pushed into the arc-shaped discharge hole (41), pass through the discharge hole and slide into the discharge bent pipe (45) from the conical discharge pipe (44), so that the cement stones can be discharged to a construction pavement; s6, after the cement stones are discharged to the pavement, the first servo motor (64) controls the paving rod (61) to rotate through the second belt pulley assembly, so that the cement stones accumulated at two ends are conveyed relatively, horizontal paving of the cement stones is achieved, along with the forward movement of the rectangular square frame (1) under the action of the guide wheel (63), the rubber scraper (72) at the front end scrapes the paved cement stones for the first time, then the second servo motor (71) controls the rotating rod (65) to rotate, the cam block (66) is driven to rotate and hit the vibrating block (70), the vibrating tube (69) is driven to vibrate at high frequency under the action of the elasticity of the vibrating spring (68), the cement stones can be compacted, the rubber scraper (72) at the rear end moves along with the rectangular square frame (1) to scrape the vibrated and compacted pavement, and finally, along with the rotation of the roller (62), the paved cement stones can be compacted and flattened.

Description

Device and method for paving uniform and compact cement stabilized macadam Technical Field The invention relates to the technical field of cement construction, in particular to a device and a method for paving uniform and compact cement stabilized macadam. Background The cement stabilized macadam base layer has good mechanical properties, so that the cement stabilized macadam base layer is widely applied in China, graded macadam is used as aggregate, a certain amount of cementing materials and enough mortar volume are adopted to fill gaps of the aggregate, the cement stabilized macadam base layer is paved and compacted according to the embedding and extrusion principle, the cement stabilized macadam base layer has high initial strength and good impermeability and frost resistance, in addition, the surviving surface of the cement stabilized macadam base layer is firm, and the cement stabilized macadam base layer is not muddy when meeting rain and is an ideal base material of a highway pavement. Although the primary paving and rolling forming method developed at home at present is an ideal basic layer construction method, the requirement of the compactness of the whole basic layer can be met only by specially configuring a large vibration force road roller, but the defects of the technical problems are solved by the invention because the existing construction site is provided with uneven compacting machinery, some construction sites are not provided with the large vibration force road roller, the stirring force of cement stones is small, and the density of cement stones is high when the cement stones with uneven stirring are paved on a road surface. Disclosure of Invention Based on the prior technical problems, the invention provides a device and a method for paving uniform and compact cement stabilized macadam. The invention provides a uniform and compact cement stabilized macadam paving device which comprises rectangular boxes walking according to tracks, wherein the upper surfaces of the rectangular boxes are symmetrically distributed and fixedly connected with supporting bottom plates, the upper surfaces of the supporting bottom plates are provided with crushing and stirring mechanisms, the lower surfaces of the crushing and stirring mechanisms are connected with discharge port adjusting mechanisms, and paving mechanisms are arranged on the inner surfaces of the rectangular boxes. Wherein, broken rabbling mechanism is broken to the cement stone that emptys to stir when storing it. Wherein, discharge gate adjustment mechanism is right broken rabbling mechanism sealed discharge gate opens the ejection of compact. Wherein, the paving mechanism paves and shakes the cement stone of discharging. Preferably, the crushing stirring mechanism comprises a stirring barrel arranged on the upper surface of the supporting bottom plate, a crushing pipe is fixedly communicated with one end of the upper surface of the stirring barrel, and a discharging hopper is fixedly communicated with the upper surface of the crushing pipe. Through above-mentioned technical scheme, the cement stone is generally stirred in advance after evenly laying on the road surface through unloader, but the size of rubble is inhomogeneous, and can make the stirring mixing effect of cement stone worsen at the in-process that the unloading was laid to the unloading, in order to improve the compactness that the cement stone was laid to make it keep evenly stirring, carry the cement stone of pre-stirring to unloading hopper through the inlet pipe, it is through broken processing behind the broken pipe to realize stirring storage in falling into the agitator. Preferably, the crushing stirring mechanism further comprises supporting brackets fixedly connected to the inner side walls of the upper end and the lower end of the crushing pipe respectively, the surface of the supporting brackets at the upper end is rotatably connected with a crushing rod through a bearing, and the upper surface of the crushing rod is fixedly connected with a crushing blade. Through above-mentioned technical scheme, in order to make it can tile on the road surface to the broken cement stone of pre-stirring increase its compactness to when the cement stone passes through broken pipe, the control broken pole rotates, makes it drive broken blade high-speed rotation, and then can further break the rubble in the cement stone. Preferably, the crushing stirring mechanism further comprises a rotating motor fixedly connected to the surface of the support bracket at the lower end, and the outer surface of an output shaft of the rotating motor is fixedly connected with the lower surface of the crushing rod through a coupler. Through the technical scheme, in order to control the high-speed rotation of the crushing rod, the rotary motor is rotated under the support of the lower end support bracket, and then the connected crushing rod and the crushing blade on the upper surface of the crushing