CN113186786A - Road mixer for mixing lime with high liquid limit soil - Google Patents
Road mixer for mixing lime with high liquid limit soil Download PDFInfo
- Publication number
- CN113186786A CN113186786A CN202110472344.2A CN202110472344A CN113186786A CN 113186786 A CN113186786 A CN 113186786A CN 202110472344 A CN202110472344 A CN 202110472344A CN 113186786 A CN113186786 A CN 113186786A
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- mixing
- roller
- road
- mixing pipe
- feeding
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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
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to a road mixer for mixing high liquid limit soil and lime, which comprises: the road mixer comprises a connecting frame, a driving shaft, a crushing roller, a mixing pipe and a mixing roller, wherein a soil retaining cover is arranged on the connecting frame, the driving shaft, the crushing roller, the mixing pipe and the mixing roller are arranged on the connecting frame and positioned in the soil retaining cover, the crushing roller and the mixing roller are respectively positioned on the front side and the rear side of the mixing pipe along the forward direction of the road mixer, a feeding hole is formed in the bottom of the mixing pipe, and a feeding auger is arranged in the mixing pipe; the road mixing machine comprises a road mixing machine frame, wherein rollers are arranged on the road mixing machine frame, a plurality of press wheels with fan-shaped longitudinal sections are arranged between the rollers on the road mixing machine frame, the top points of the press wheels are arranged on the rollers, and the press wheels can rotate around the top points and are fixed on the rollers; the bottom of the storage box extends and is communicated with the feeding hole on the admixture pipe; and the upper end of the scraping plate is hinged on the soil retaining cover, and the mixing roller is positioned in front of the scraping plate. The road mixer provided by the invention can realize the simultaneous operation of turning soil and spreading ash, thereby greatly reducing the cost, improving the efficiency and shortening the construction period.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a road mixer for mixing high liquid limit soil with lime.
Background
The high liquid limit soil has the problems of high natural water content, large fine particle content and poor water permeability, and can keep water for a long time after being soaked in water, so that the optimal water content and higher compaction degree are difficult to achieve during rolling; meanwhile, the high liquid limit soil is generally hard and blocky when being dried, and is difficult to crush and roll; and, it is also sensitive to climatic conditions, presenting a problem of easy disintegration.
For a long time, the subgrade using high liquid limit soil as subgrade filling is easy to have various diseases under the influence of years of operation and climate, which seriously influences the normal use of the subgrade of the highway and the railway.
At present, improvement measures are generally taken on high liquid limit soil to ensure that the roadbed has enough strength, stability and durability. Lime mixing is one of the improved modes, and currently, a road mixing method is generally adopted, namely a road mixer is used for loosening soil and then spreading lime by using a dump truck, and the lime is spread and then mixed by using the road mixer, and the process needs to be repeatedly operated for many times by using various devices, so that the problems of low efficiency, high cost and slow construction period exist.
Disclosure of Invention
Aiming at the problems, the road mixer for mixing lime with high liquid limit soil is provided, and aims to effectively solve the problems of low efficiency, high cost and slow construction period in the existing road mixer. .
The specific technical scheme is as follows:
a road mixer for mixing lime with high liquid limit soil is characterized by comprising:
the device comprises a connecting frame, a driving shaft, a crushing roller, a mixing pipe and a mixing roller, wherein the connecting frame can be connected and installed on a tractor, a soil guard is installed on the connecting frame, the driving shaft, the crushing roller, the mixing pipe and the mixing roller are installed on the connecting frame and are positioned in the soil guard, the crushing roller and the mixing roller are respectively positioned on the front side and the rear side of the mixing pipe along the forward direction of a road mixer, a feeding port is formed in the bottom of the mixing pipe, the feeding port extends to the left end and the right end of the mixing pipe along the width direction of the mixing pipe, a feeding auger is installed in the mixing pipe, and the crushing roller, the feeding auger and the mixing roller are all in transmission connection with the driving shaft;
the road mixing machine comprises a road mixing machine frame, wherein rollers are arranged on the road mixing machine frame, a plurality of press wheels with fan-shaped longitudinal sections are arranged between the rollers on the road mixing machine frame, the top points of the press wheels are arranged on the rollers, and the press wheels can rotate around the top points and are fixed on the rollers;
the bottom of the storage box extends and is communicated with the feeding port on the admixture pipe; and
and the upper end of the scraping plate is hinged on the soil retaining cover, and the mixing roller is positioned in front of the scraping plate.
The road mixer for mixing the high liquid limit soil and the lime is also characterized in that the blending pipe further comprises a feeding baffle which can rotate and is used for adjusting the opening degree of a feeding opening, the feeding baffle is positioned below a discharging opening of the blending pipe, and the feeding baffle is arranged on the blending pipe.
The above-mentioned road mixer for high liquid limit soil mix lime still has such characteristic, and the doping pipe still includes:
the baffle lifting rings are correspondingly and rotatably arranged at two ends of the material mixing pipe, two ends of the feeding baffle are prolonged and correspondingly connected to the baffle lifting rings, and driven racks are arranged on the baffle lifting rings; and
the driving motor is fixedly installed on the material mixing pipe through a bracket, a driving gear is installed on an output shaft of the driving motor, and the driving gear is in meshed transmission with the driven rack.
The road mixer for mixing lime with high liquid limit soil is characterized in that the feed inlet is positioned in the middle of the mixing pipe, the feeding auger is positioned on two sides of the feed inlet and provided with a first helical blade and a second helical blade, and the helical directions of the first helical blade and the second helical blade are opposite.
The road mixer for mixing the high liquid limit soil and the lime further has the characteristics that the top point part of the pressing wheel is arranged on the roller wheel through the fixing screw rod penetrating through the pressing wheel, the adjusting sliding groove is formed in the roller wheel, the longitudinal section of the adjusting sliding groove is in an arc shape taking the top point part of the pressing wheel as the circle center, and the pressing wheel is fixed on the roller wheel through the fastening screw rod penetrating through the adjusting sliding groove and the pressing wheel.
The road mixer for mixing the lime with the high liquid limit soil is further characterized by comprising a transmission belt, wherein the transmission belt bypasses a pressing wheel on a flood feeding dragon and is sleeved on a driving shaft, a crushing roller and a mixing roller.
The road mixer for mixing the high liquid limit soil and the lime further has the characteristic that the connecting frame comprises a connecting frame interface, and the connecting frame is connected with and arranged on the tractor through the connecting frame interface.
The beneficial effect of above-mentioned scheme is:
the road mixer provided by the invention can realize the simultaneous operation of turning soil and spreading ash, thereby greatly reducing the cost, improving the efficiency and shortening the construction period.
Drawings
Fig. 1 is a schematic perspective view of a road mixer provided in an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a road mixer provided in an embodiment of the present invention;
fig. 3 is a schematic view of a partially exploded structure of a road mixer provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a material mixing pipe provided in an embodiment of the present invention;
fig. 5 is a partially enlarged view of a corresponding portion of the letter a in fig. 4.
In the drawings: 1. a connecting frame; 2. a soil guard; 3. a drive shaft; 4. a crushing roller; 5. a material mixing pipe; 6. a mixing roll; 7. feeding flood dragon; 8. a road mixing machine frame; 9. a roller; 10. a pinch roller; 11. a storage box; 12. a feed inlet; 13. scraping the plate; 14. a feeding baffle plate; 15. a baffle plate hoisting ring; 16. a driven rack; 17. a drive motor; 18. a bracket; 19. a drive gear; 20. a first helical blade; 21. a second helical blade; 22. fixing the screw rod; 23. adjusting the sliding chute; 24. fastening a screw rod; 25. a drive belt; 26. a pinch roller; 27. a connection frame interface.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 5, a road mixer provided in an embodiment of the present invention includes: the road mixer comprises a connecting frame 1 (the connecting frame 1 comprises a connecting frame interface 27, the connecting frame 1 is connected and installed on a tractor through the connecting frame interface 27), a soil guard cover 2 is installed on the connecting frame 1, a driving shaft 3, a crushing roller 4, a material mixing pipe 5 and a mixing roller 6 are installed in the soil guard cover 2 on the connecting frame 1, the crushing roller 4 and the mixing roller 6 are respectively located on the front side and the rear side of the material mixing pipe 5 along the advancing direction of the road mixer, a feeding port is arranged at the bottom of the material mixing pipe 5, the feeding port extends to the left end and the right end of the material mixing pipe 5 along the width direction of the material mixing pipe 5, a feeding flood dragon 7 is installed in the material mixing pipe 5, and the crushing roller 4, the feeding flood dragon 7 and the mixing roller 6 are all connected to the driving shaft 3 in a transmission manner; the road mixing machine frame 8 is connected to the connecting frame 1, rollers 9 are mounted on the road mixing machine frame 8, a plurality of press wheels 10 with sector-shaped longitudinal sections are mounted between the rollers 9 on the road mixing machine frame 8, the top points of the press wheels 10 are mounted on the rollers 9, and the press wheels 10 can rotate around the top points and are fixed on the rollers 9; the storage box 11 is used for storing lime, and the bottom of the storage box 11 extends and is communicated with the feeding hole 12 on the admixture pipe 5; and a scraper plate 13, an upper end of the scraper plate 13 is hinged to the soil guard 2, and the mixing roller 6 is located in front of the scraper plate 13.
According to the invention, when the road mixer is dragged by the tractor to move forward, the crushing roller 4 rolls soil, at the moment, lime stored in the storage box 11 enters the mixing pipe 5 through the upper feeding hole 12 of the mixing pipe 5 and then is spread along the axial direction of the mixing pipe 5 through the feeding flood dragon 7, the spread lime is scattered to the ground through the bottom discharging hole of the mixing pipe 5, then the lime is mixed into high liquid limit soil by the mixing roller 6 which rotates subsequently, and then the mixed soil is compacted by the subsequent pressing wheel 10 after being primarily scraped under the action of the scraping plate 13. The road mixer provided by the invention can realize the simultaneous operation of turning soil and spreading ash, thereby greatly reducing the cost, improving the efficiency and shortening the construction period.
In the invention, in order to change the rolling amplitude of the pressing wheel 10, the pressing wheel 10 is firstly arranged on the roller 9 through the vertex part of the pressing wheel 10, then the pressing wheel 10 is adjusted to rotate around the vertex part to a proper position and then is fixed on the roller 9, so that the rolling amplitude can be adjusted by adjusting the extending amount of the pressing wheel 10 out of the roller 9 according to objective factors such as high liquid limit soil moisture content, soil block size and the like, and the breaking and compaction are ensured.
Specifically, the feeding hole 12 on the mixing pipe 5 is located in the middle of the mixing pipe 5, the feeding auger 7 is provided with a first helical blade 20 and a second helical blade 21 on two sides of the feeding hole 12, and the first helical blade 20 and the second helical blade 21 have opposite helical directions, so that lime falling into the mixing pipe 5 can be quickly spread along the axial direction of the mixing pipe 5.
Specifically, the top part of the pressing wheel 10 is arranged on the roller 9 through a fixing screw 22 penetrating through the pressing wheel 10, an adjusting chute 23 is formed in the roller 9, the longitudinal section of the adjusting chute 23 is in an arc shape with the top part of the pressing wheel 10 as a circle center, the pressing wheel 10 is fixed on the roller 9 through a fastening screw 24 penetrating through the adjusting chute 23 and the pressing wheel 10, when the rolling amplitude needs to be adjusted, the screw is only slightly loosened, and then the pressing wheel 10 is pushed to slide to a proper position along the adjusting chute 23 and then is fastened.
Specifically, the road mixer further comprises a transmission belt 25, wherein the transmission belt 25 bypasses a pressing wheel 26 on the feeding flood dragon 7 and is sleeved on the driving shaft 3, the crushing roller 4 and the mixing roller 6, so that the driving shaft 3 is used for driving the crushing roller 4, the mixing roller 6 and the feeding flood dragon 7.
On the basis of the technical scheme, further, in the road mixer provided by the embodiment, in order to further control the lime doping amount according to the high liquid limit soil condition, the feeding baffle 14 which is positioned below the discharge port of the doping pipe 5 and can rotatably adjust the opening degree of the feeding port is additionally arranged on the doping pipe 5, specifically, in the invention, the baffle hanging rings 15 (the baffle hanging rings 15 are provided with driven racks 16) are correspondingly and rotatably connected to the two ends of the doping pipe 5, the two ends of the feeding baffle 14 are extended and correspondingly connected to the baffle hanging rings 15, correspondingly, the bracket 18 is utilized to fixedly install the driving motors 17 on the two ends of the doping pipe 5, and the driving gears 19 on the output shafts of the driving motors 17 are meshed with the driven racks 16 for transmission, so that the feeding baffle 14 can be driven to rotate through the driving motors 17, and the opening degree of the discharge port of the doping pipe 5 is controlled.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a high liquid limit soil mix way mixer for lime which characterized in that includes:
the road mixer comprises a connecting frame (1) which can be connected and installed on a tractor, wherein a soil retaining cover (2) is installed on the connecting frame (1), a driving shaft (3), a crushing roller (4), a mixing pipe (5) and a mixing roller (6) are installed in the soil retaining cover (2) on the connecting frame (1), the crushing roller (4) and the mixing roller (6) are respectively located on the front side and the rear side of the mixing pipe (5) along the advancing direction of the road mixer, a feeding port is formed in the bottom of the mixing pipe (5), the feeding port extends to the left end and the right end of the mixing pipe (5) along the width direction of the mixing pipe (5), a feeding flood dragon (7) is installed in the mixing pipe (5), and the crushing roller (4), the feeding flood dragon (7) and the mixing roller (6) are all in transmission connection with the driving shaft (3);
the road mixing machine frame (8) is connected to the connecting frame (1), rollers (9) are mounted on the road mixing machine frame (8), a plurality of press wheels (10) with sector-shaped longitudinal sections are mounted between the rollers (9) on the road mixing machine frame (8), the top point part of each press wheel (10) is mounted on the corresponding roller (9), and each press wheel (10) can rotate around the top point part and is fixed on the corresponding roller (9);
the lime storage box (11) is used for storing lime, and the bottom of the storage box (11) extends and is communicated with an upper feeding port (12) of the mixing pipe (5); and
the upper end of the scraping plate (13) is hinged to the soil retaining cover (2), and the mixing roller (6) is located in front of the scraping plate (13).
2. The road mixer for high liquid limit soil mixing lime according to claim 1, wherein the mixing pipe (5) further comprises a feeding baffle plate (14) which can rotate and is used for adjusting the opening degree of the feeding port, the feeding baffle plate (14) is positioned below the discharging port of the mixing pipe (5), and the feeding baffle plate (14) is installed on the mixing pipe (5).
3. The road mixer for high liquid limit soil mixing lime according to claim 2, wherein the mixing pipe (5) further comprises:
the feeding baffle is characterized by comprising baffle hanging rings (15), the baffle hanging rings (15) are correspondingly and rotatably mounted at two ends of the material mixing pipe (5), two ends of the feeding baffle (14) are prolonged and correspondingly connected to the baffle hanging rings (15), and driven racks (16) are mounted on the baffle hanging rings (15); and
the mixing pipe is characterized by comprising a driving motor (17), the driving motor (17) is fixedly installed on the mixing pipe (5) through a bracket (18), a driving gear (19) is installed on an output shaft of the driving motor (17), and the driving gear (19) is in meshing transmission with the driven rack (16).
4. The road mixer for high liquid limit soil mixing lime according to any one of claims 1 to 3, wherein the feed inlet (12) is located in the middle of the mixing pipe (5), and a first helical blade (20) and a second helical blade (21) are installed on the feeding auger (7) and located on two sides of the feed inlet (12), and the helical directions of the first helical blade (20) and the second helical blade (21) are opposite.
5. The road mixer for mixing high liquid limit soil and lime according to claim 1, wherein the vertex part of the pressing wheel (10) is mounted on the roller (9) through a fixing screw (22) penetrating through the pressing wheel (10), an adjusting sliding groove (23) is formed in the roller (9), the longitudinal section of the adjusting sliding groove (23) is in an arc shape taking the vertex part of the pressing wheel (10) as the center of a circle, and the pressing wheel (10) is fixed on the roller (9) through a fastening screw (24) penetrating through the adjusting sliding groove (23) and the pressing wheel (10).
6. The road mixer for high liquid limit soil mixing lime according to claim 1, characterized in that the road mixer further comprises a transmission belt (25), wherein the transmission belt (25) bypasses a pressing wheel (26) on the feeding auger (7) and is sleeved on the driving shaft (3), the crushing roller (4) and the mixing roller (6).
7. The road mixer for high liquid limit soil mixing lime according to claim 1, characterized in that the connection frame (1) comprises a connection frame interface (27), and the connection frame (1) is connected and installed on a tractor through the connection frame interface (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110472344.2A CN113186786B (en) | 2021-04-29 | 2021-04-29 | Road mixer for mixing lime with high liquid limit soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110472344.2A CN113186786B (en) | 2021-04-29 | 2021-04-29 | Road mixer for mixing lime with high liquid limit soil |
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| Publication Number | Publication Date |
|---|---|
| CN113186786A true CN113186786A (en) | 2021-07-30 |
| CN113186786B CN113186786B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110472344.2A Active CN113186786B (en) | 2021-04-29 | 2021-04-29 | Road mixer for mixing lime with high liquid limit soil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115058951A (en) * | 2022-07-23 | 2022-09-16 | 河南省中州公路工程有限公司 | Road mixer |
| CN115075100A (en) * | 2022-08-23 | 2022-09-20 | 山东鲁中公路建设有限公司 | Construction device and method for lime soil road mixing |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1019045A1 (en) * | 1982-01-06 | 1983-05-23 | Республиканское Центральное Проектно-Конструкторское Технологическое Бюро Всероссийского Объединения Межколхозных Строительных Организаций | Apparatus for loosening and mixing soil |
| DE102012024769A1 (en) * | 2012-12-18 | 2014-06-18 | Bomag Gmbh | Construction machine for mixing bulk material-type aggregate into bottom substrate i.e. bottom stabilizer or recycler, has soil discharging unit adapted for introduction of bulk-type additives in mixing drum in working direction of machine |
| KR20160079301A (en) * | 2014-12-26 | 2016-07-06 | 서영숙 | compactor using a vibrating roller |
| US20160201275A1 (en) * | 2016-03-21 | 2016-07-14 | Caterpillar Paving Products Inc. | Vibratory roller for compactors |
| CN106612763A (en) * | 2016-10-08 | 2017-05-10 | 吉林大学 | Intermittent impacting type press roller |
| CN207295393U (en) * | 2017-10-16 | 2018-05-01 | 广西交通科学研究院有限公司 | A kind of movable type high liquid limit soil lime admixture equipment |
| JP2019100014A (en) * | 2017-11-29 | 2019-06-24 | 日立建機株式会社 | Rolling compaction vehicle |
| CN211113054U (en) * | 2019-10-21 | 2020-07-28 | 河南省公路工程局集团有限公司 | Road mixer for mixing block dry ash |
-
2021
- 2021-04-29 CN CN202110472344.2A patent/CN113186786B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1019045A1 (en) * | 1982-01-06 | 1983-05-23 | Республиканское Центральное Проектно-Конструкторское Технологическое Бюро Всероссийского Объединения Межколхозных Строительных Организаций | Apparatus for loosening and mixing soil |
| DE102012024769A1 (en) * | 2012-12-18 | 2014-06-18 | Bomag Gmbh | Construction machine for mixing bulk material-type aggregate into bottom substrate i.e. bottom stabilizer or recycler, has soil discharging unit adapted for introduction of bulk-type additives in mixing drum in working direction of machine |
| KR20160079301A (en) * | 2014-12-26 | 2016-07-06 | 서영숙 | compactor using a vibrating roller |
| US20160201275A1 (en) * | 2016-03-21 | 2016-07-14 | Caterpillar Paving Products Inc. | Vibratory roller for compactors |
| CN106612763A (en) * | 2016-10-08 | 2017-05-10 | 吉林大学 | Intermittent impacting type press roller |
| CN207295393U (en) * | 2017-10-16 | 2018-05-01 | 广西交通科学研究院有限公司 | A kind of movable type high liquid limit soil lime admixture equipment |
| JP2019100014A (en) * | 2017-11-29 | 2019-06-24 | 日立建機株式会社 | Rolling compaction vehicle |
| CN211113054U (en) * | 2019-10-21 | 2020-07-28 | 河南省公路工程局集团有限公司 | Road mixer for mixing block dry ash |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115058951A (en) * | 2022-07-23 | 2022-09-16 | 河南省中州公路工程有限公司 | Road mixer |
| CN115075100A (en) * | 2022-08-23 | 2022-09-20 | 山东鲁中公路建设有限公司 | Construction device and method for lime soil road mixing |
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| Publication number | Publication date |
|---|---|
| CN113186786B (en) | 2023-07-18 |
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