CN110387802B - On-site full-crushing method for road cement pavement and pavement crusher - Google Patents
On-site full-crushing method for road cement pavement and pavement crusher Download PDFInfo
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- CN110387802B CN110387802B CN201910717861.4A CN201910717861A CN110387802B CN 110387802 B CN110387802 B CN 110387802B CN 201910717861 A CN201910717861 A CN 201910717861A CN 110387802 B CN110387802 B CN 110387802B
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- cutter drum
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- 239000004568 cement Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000003381 stabilizer Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 abstract description 10
- 230000008439 repair process Effects 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- 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
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
-
- 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
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
-
- 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
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
- E01C23/127—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus rotary, e.g. rotary hammers
-
- 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
- E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
- E01C2301/50—Methods or devices for preventing dust by spraying or sucking
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention provides a pavement crusher and a method for on-site full crushing of a cement pavement of a road, wherein the pavement crusher comprises: the crushing device comprises a rack, an oil tank, a driving mechanism, a crushing mechanism and a lifting mechanism, wherein the oil tank and the rack are fixedly arranged; the driving mechanism is arranged on the frame and comprises an engine connected with the oil tank and a hydraulic system driven by the engine; the crushing mechanism is arranged on the rack and positioned below the rack, and comprises a cutter drum for crushing a road surface, and the cutter drum is controlled by a hydraulic system to perform crushing work; the lifting mechanism comprises a side plate arranged on the side surface of the cutter drum, and a front lifting frame and a rear lifting frame which are connected with the side plate and are symmetrically arranged in front and back relative to the side plate; the side plate is controlled by a hydraulic system to lift; the front wheel and the rear wheel of the pavement crusher are respectively arranged on the front lifting frame and the rear lifting frame. The invention has the advantages that the stone can be directly crushed into stones meeting the repair requirement without being crushed into small plates, the crushing efficiency is high, and the invention is suitable for high-strength plates.
Description
Technical Field
The invention relates to the technical field of road crushing, in particular to a road cement pavement on-site full crushing method and a crusher.
Background
At present, in the engineering of repairing the damaged cement road surface of the road, the following modes are available: the other method is to break and tear the road surface into small plates by a pick machine, transport the broken and torn plates out by the pick machine, and transport new raw materials meeting the screening and repairing requirements of stone grading for repairing. The method has higher cost and does not meet the requirement of resource recycling. The other method is that a pickaxe is used for breaking and splitting the road surface into small plates, and then a crusher (usually a tractor rear hanging type mobile crusher) is used for crushing the small plates to be broken and split, so that the small plates meet the requirements of screening and repairing the stone grading. The mode has extremely high requirements on the pre-crushing of the cement pavement, and the side length of the plate surface of each small plate of the original cement pavement is required to be less than 30 cm; the method has low efficiency, and the crushing area is less than 500 square meters every day; and when the cement plate containing reinforcing steel bars or a plate with high strength above C30 is encountered, the cement plate cannot be broken and can only be directly transported outside.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a pavement breaker and a method for on-site total breaking of a cement pavement of a road, which can directly break a pavement into stones meeting repair requirements without breaking the pavement into small blocks, have high efficiency, and are suitable for high-strength blocks.
The invention provides a road surface crusher, which is characterized by comprising: the crushing device comprises a rack, an oil tank, a driving mechanism, a crushing mechanism and a lifting mechanism, wherein the oil tank and the rack are fixedly arranged; the driving mechanism is arranged on the frame and comprises an engine connected with the oil tank and a hydraulic system driven by the engine; the crushing mechanism is arranged on the rack and positioned below the rack, and comprises a cutter drum for crushing a road surface, and the cutter drum is controlled by a hydraulic system to perform crushing work; the lifting mechanism comprises a side plate arranged on the side surface of the cutter drum, and a front lifting frame and a rear lifting frame which are connected with the side plate and are symmetrically arranged in front and back relative to the side plate; the side plate is controlled by a hydraulic system to lift; the front wheel and the rear wheel of the pavement crusher are respectively arranged on the front lifting frame and the rear lifting frame.
In the road surface crusher provided by the invention, the road surface crusher also has the following characteristics: wherein, preceding crane is the same with back crane structure, and this structure contains: the first component is arranged below the rack and is fixedly connected with the rack; the second component is a secondary telescopic shaft, and the end of the first-stage shaft is rotatably connected with the tail end of the first component; the third component is provided with three connecting ends, the first connecting end is fixedly connected with the second-stage shaft end of the second component, and the second connecting end is rotatably connected with the side plate; and the fourth component is fixedly connected to the third connecting end of the third component, and the front wheel and the rear wheel are respectively arranged on the fourth component on the front side and the fourth component on the rear side.
The road surface crusher provided by the invention is characterized by further comprising: and a stabilizing plate having a sled shape and including a horizontal plate portion fixed to the lower surface of the side plate and two extending plate portions extending from both ends of the plate portion, the two extending plate portions extending upward.
The road surface crusher provided by the invention is characterized by further comprising: the water tank is fixedly arranged with the rack, and the rack is provided with a water spraying device which is connected with the water tank and used for dust fall and cutter drum cooling during crushing work.
And a water spraying device is arranged on the rack and connected with a water tank for dust fall and cutter drum cooling during crushing work.
The invention also provides a road cement pavement on-site full-crushing method of the pavement crusher, which is characterized by comprising the following steps of: before crushing, a hydraulic system drives a side plate to descend, so that a front lifting frame and a rear lifting frame drive front wheels and rear wheels to lift and leave a cement road surface; step two, when the crushing work is carried out, the hydraulic system drives the cutter drum, so that the peripheral cutting edge of the cutter drum is positioned under the cement road surface for crushing; and step three, after the crushing is finished, the side plates are driven by a hydraulic system to ascend, so that the positions of the front wheels and the rear wheels are lower than the position of the cutter drum, and the position of the cutter drum is higher than the position of the cement road surface.
The on-site full-crushing method for the road cement pavement, provided by the invention, is also characterized in that: wherein the maximum breaking thickness of the cement pavement is 25 cm.
The on-site full-crushing method for the road cement pavement, provided by the invention, is also characterized in that: wherein the strength of the cement pavement is less than or equal to C50.
The on-site full-crushing method for the road cement pavement, provided by the invention, is also characterized in that: wherein, the cement road surface is a cement road surface containing a steel bar net sheet.
The on-site full-crushing method for the road cement pavement, provided by the invention, is also characterized in that: the crushing efficiency of continuous construction by adopting the on-site full-crushing method of the road cement pavement exceeds 2000 square meters per day.
The on-site full-crushing method for the road cement pavement, provided by the invention, is also characterized in that: wherein, the old material after the cement road surface is broken meets the standard requirement of the regenerated stone.
The invention has the beneficial effects that:
when the pavement crusher works, the weight of the whole machine is pressed on the crushing mechanism, the efficacy of an engine is completely acted on crushing, and the crushing direction of the pavement crusher is different from that of the existing crusher in the anticlockwise rotation direction with the advancing direction, so that the obtained crushing effect is excellent, a cement plate with the thickness within 25cm can be crushed on site at one time, and the cement plate does not need to be pre-crushed into small blocks; can directly crush cement slabs containing reinforcing steel bars and various cement slabs with the strength of less than or equal to C50. The road surface crusher has extremely high crushing efficiency, and the crushing area per day exceeds 2000 square meters. And the graded screening of the crushed stone meets the standard requirement of the regenerated stone in the relevant national construction standard, so that the crushed stone can be directly recycled.
The road surface crusher and the on-site full crushing method of the road cement road surface can realize effective regeneration and utilization of the road after on-site crushing, reduce waste discharge, contribute to resource recycling, accelerate the progress of repair engineering and reduce the construction cost.
Drawings
FIG. 1 is a schematic structural view of a road surface crusher (stabilizer plate not shown) according to an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of the connection of the stabilizer plate to the side plates in an embodiment of the present invention;
fig. 4 is a construction process implementation diagram of the pavement breaker in the embodiment of the invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the following embodiments are specifically described in the present invention with reference to the drawings.
As shown in fig. 1, the road surface crusher 100 includes: frame 10, oil tank 20, water tank 30, actuating mechanism, crushing mechanism, elevating system, stabilizer plate 70 (shown in fig. 3).
The frame 10 is a square frame structure, and a shell structure is arranged on the periphery of the square frame structure. The oil tank 20 and the water tank 30 are both fixed with the frame 10.
The drive mechanism is mounted on the frame 10 and includes an engine 41 connected to the tank 20 and a hydraulic system 42 driven by the engine 41.
The crushing mechanism is arranged on the frame 10 and is positioned below the frame 10, and comprises a cutter drum 50 for crushing a road surface, and the cutter drum 50 is controlled by the hydraulic system 42 to perform crushing work. The frame is provided with a crushing grading device (not shown) to ensure that the crushed material processed by the cutter drum 50 meets the grading requirement.
Elevating system is the metal material, and elevating system contains curb plate 61, and preceding crane 62 and back crane 63, and curb plate 61 sets up in the side of sword drum 50, and preceding crane 62 and back crane 63 are connected the front side and the rear side of curb plate 61 respectively and are the symmetry setting about curb plate 61.
The side plates 61 are controlled to be lifted and lowered by the hydraulic system 42. As shown in fig. 3, a stabilizer plate 70 is fixed to the lower surface of the side plate 61, the stabilizer plate 70 is formed in a sled shape and includes a horizontal plate portion and two extension plate portions extending from both ends of the plate portion, the horizontal plate portion of the stabilizer plate 70 is fixed to the lower surface of the side plate, and the two extension plate portions extend upward. The stabilizer plate 70 serves to stabilize the road surface crusher when the cutter drum 50 is in operation while contacting the ground.
The front crane 62 and the rear crane 63 have the same structure. Figure 2 illustrates the front crane 62 in detail. As shown in fig. 2, the front crane 62 includes: a first member 621, a second member 622, a third member 623, and a fourth member 624. The first member 621 is disposed below the frame 10 and is fixedly connected to the frame 10. The second member 622 is a two-stage telescopic shaft, and the first-stage shaft end of the second member 622 and the end of the first member 621 form a rotatable connection. The third member 623 has three connecting ends 623a, 623b and 623c, the connecting end 623a is fixedly connected with the second-stage shaft end of the second member 622, and the connecting end 623b is rotatably connected with the side plate 61. The fourth member 624 is fixedly attached to the connecting end 623c, and the fourth member 624 is used for mounting a wheel. The front wheels 81 of the road surface crusher are mounted on the fourth member 624 on the front side and the rear wheels 82 are mounted on the fourth member on the rear side.
As shown in fig. 1, a water spraying device 90 is disposed on the frame 10, and the water spraying device 90 is connected to the water tank 20 and is used for dust fall and temperature reduction of the cutter drum during the cutter drum crushing operation.
In this embodiment, the fixing of each component in the pavement breaker 100 may be performed by welding, bolting, or other conventional mechanical component fixing methods as required, and the rotatable connection may be performed by a hinge connection, a pin shaft and a circular hole matching connection, or other conventional rotatable connection methods.
The pavement crusher 100 can perform on-site full crushing of a cement pavement of a road, and the on-site full crushing construction method of the cement pavement of the road comprises the following steps:
before the crushing work, an engine is started, a hydraulic system drives the side plates to descend, so that the front lifting frame drives the front wheels 81, and the rear lifting frame drives the rear wheels 82 to lift and leave the cement pavement 1. This is shown in fig. 4 (a).
Step two, when the crushing work is carried out, the hydraulic system drives the cutter drum 50, so that the peripheral cutting edge of the cutter drum 50 is positioned below the cement road surface 1, and at the moment, the road surface crusher 100 sinks integrally and crushes from the surface downwards. This is shown in fig. 4 (b). In this process, the stabilizer plate 70 functions as a stabilizer for the road surface when it descends to a point where the stabilizer plate 70 contacts the cement road surface 1.
And step three, after the crushing is finished, the hydraulic system drives the side plates to ascend, the front wheels 81 and the rear wheels 82 are firstly contacted with the cement road surface, and then the positions of the front wheels 81 and the rear wheels 82 are continuously lower than the cutter drum 50 (namely the cutter drum 50 relatively ascends until the position of the cutter drum 50 is higher than the cement road surface 1). This is shown in FIG. 4 (c). In this case, the road surface crusher 100 can smoothly run on the road surface.
In the on-site full-crushing method for the cement pavement of the road, the maximum crushing depth of the cement pavement for downward crushing is 25 cm. When constructing a cement road having a thickness of less than 25cm, the depth of the overall subsidence of the road surface crusher 100 may be determined by controlling the descending distance of the side plates by a hydraulic system. The on-site full-crushing method for the cement pavement of the road is suitable for crushing the cement pavement into the cement pavement with the strength less than or equal to C50, and the cement pavement containing the reinforcing steel bar net meeting the strength range can be directly crushed. When the pavement crusher works continuously, the crushing area per day exceeds 2000 square meters. The old material after the cement road surface is broken meets the standard requirement of the regenerated stone, and can be directly used for regeneration.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. A pavement breaker, comprising:
a frame, an oil tank, a driving mechanism, a crushing mechanism and a lifting mechanism,
the oil tank is fixedly arranged with the rack;
the driving mechanism is arranged on the frame and comprises an engine connected with the oil tank and a hydraulic system driven by the engine;
the crushing mechanism is arranged on the rack and positioned below the rack, and comprises a cutter drum for crushing a road surface, and the cutter drum is controlled by the hydraulic system to perform crushing work;
the lifting mechanism comprises a side plate arranged on the side surface of the cutter drum, and a front lifting frame and a rear lifting frame which are connected with the side plate and are symmetrically arranged in front and back relative to the side plate;
the side plate is controlled by the hydraulic system to lift;
the front wheel and the rear wheel of the pavement crusher are respectively arranged on the front lifting frame and the rear lifting frame,
when the hydraulic system drives the side plate to descend, the front lifting frame drives the front wheels, and the rear lifting frame drives the rear wheels to lift and leave the cement pavement.
2. The pavement breaker of claim 1, further comprising:
wherein, preceding crane with back crane structure is the same, and this structure contains:
the first component is arranged below the rack and fixedly connected with the rack;
the second component is a secondary telescopic shaft, and the end of the first-stage shaft is rotatably connected with the tail end of the first component;
the third component is provided with three connecting ends, the first connecting end is fixedly connected with the second-stage shaft end of the second component, and the second connecting end is rotatably connected with the side plate; and
a fourth member fixedly connected to a third connection end of the third member,
the front wheel and the rear wheel are respectively arranged on the fourth component on the front side and the fourth component on the rear side.
3. The pavement breaker of claim 1, further comprising:
the stabilizing plate is provided with a plurality of stabilizing plates,
the stabilizer plate is in a sled shape and comprises a horizontal plate part and two extension plate parts extending from two ends of the plate part,
the horizontal plate part of the stabilizing plate is fixed on the lower surface of the side plate, and the two extending plate parts extend upwards.
4. The pavement breaker of claim 1, further comprising:
a water tank is arranged in the water tank,
is fixedly arranged with the frame,
the machine frame is provided with a water spraying device, and the water spraying device is connected with the water tank and used for dust fall and cutter drum cooling during crushing work.
5. A road cement pavement on-site full-crushing method of the pavement crusher as claimed in any one of claims 1 to 4, characterized by comprising the following steps:
before crushing, the hydraulic system drives the side plates to descend, so that the front lifting frame and the rear lifting frame drive the front wheels and the rear wheels to lift and leave a cement road surface;
step two, when the crushing work is carried out, the hydraulic system drives the cutter drum, so that the peripheral cutting edge of the cutter drum is positioned under the cement road surface for crushing;
and step three, after the crushing is finished, the hydraulic system drives the side plates to ascend, so that the positions of the front wheels and the rear wheels are lower than the position of the cutter drum, and the position of the cutter drum is higher than the cement road surface.
6. The on-site full-crushing method for the cement pavement of the road as claimed in claim 5, characterized in that:
wherein the maximum crushing thickness of the cement pavement is 25 cm.
7. The on-site full-crushing method for the cement pavement of the road as claimed in claim 5, characterized in that:
wherein the strength of the cement pavement is less than or equal to C50.
8. The on-site full-crushing method for the cement pavement of the road as claimed in claim 7, characterized in that:
the cement pavement is a cement pavement containing a steel bar net piece.
9. The on-site full-crushing method for the cement pavement of the road as claimed in claim 5, characterized in that:
the crushing efficiency of the continuous construction by adopting the on-site full-crushing method for the road cement pavement exceeds 2000 square meters per day.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717861.4A CN110387802B (en) | 2019-08-05 | 2019-08-05 | On-site full-crushing method for road cement pavement and pavement crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717861.4A CN110387802B (en) | 2019-08-05 | 2019-08-05 | On-site full-crushing method for road cement pavement and pavement crusher |
Publications (2)
| Publication Number | Publication Date |
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| CN110387802A CN110387802A (en) | 2019-10-29 |
| CN110387802B true CN110387802B (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910717861.4A Expired - Fee Related CN110387802B (en) | 2019-08-05 | 2019-08-05 | On-site full-crushing method for road cement pavement and pavement crusher |
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| CN (1) | CN110387802B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111289569A (en) * | 2020-03-25 | 2020-06-16 | 上海道基环保科技有限公司 | Cutter wear monitoring device for pavement crushing and method thereof |
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| EP0283286A2 (en) * | 1987-03-20 | 1988-09-21 | Anderson Group Plc | Apparatus for removing a surface layer from the ground |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110387802A (en) | 2019-10-29 |
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