CN116411560A - Road engineering structure layer tamping device and tamping method - Google Patents
Road engineering structure layer tamping device and tamping method Download PDFInfo
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- CN116411560A CN116411560A CN202310629049.2A CN202310629049A CN116411560A CN 116411560 A CN116411560 A CN 116411560A CN 202310629049 A CN202310629049 A CN 202310629049A CN 116411560 A CN116411560 A CN 116411560A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000003825 pressing Methods 0.000 claims abstract description 47
- 239000002689 soil Substances 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000011435 rock Substances 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims description 17
- 238000000429 assembly Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000005056 compaction Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/967—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of compacting-type tools
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention relates to the technical field of electric highway tamping, in particular to a highway engineering structure layer tamping device and a tamping method. The hydraulic tamping device comprises an excavator and a tamping frame arranged at the end part of a swing arm of the excavator, wherein the inside of the tamping frame is positioned at the bottom of a hydraulic component, a tamping mechanism for tamping a highway engineering structure layer is connected with a bolt, and the tamping mechanism at least comprises an impact part and a tamping hammer. According to the invention, the rammer is used for ramming the surface of the highway engineering structural layer, and the plurality of auxiliary pressure components around the rammer can be used for hammering the soil around the rammer pit, so that the effective area of single ramming is improved, and the working efficiency is improved; the auxiliary pressing component can prevent the rammed soil blocks and rocks from splashing; the auxiliary pressing component is folded to grasp the raised soil around the tamping pit into the tamping pit for secondary tamping; the impact part is quickly lifted to drive the vibration component to apply upward pulling force to the rammer and vibrate the rammer, so that the soil and rock adhered to the bottom of the rammer can be timely vibrated down.
Description
Technical Field
The invention relates to the technical field of electric highway tamping, in particular to a highway engineering structure layer tamping device and a tamping method.
Background
At present, the foundation construction of the foundation is greatly developed in China, including high-grade highways, high-speed railways, airports, bridges and the like, wherein one of the indispensable works in the construction process of a highway engineering structure is to perform tamping work on roadbeds at construction sites, so that the highway engineering structure layers generate compact and uniform reinforcing layers, the natural sedimentation rate after later construction is reduced, and compared with roadbeds before construction, the compaction degree of the roadbeds after finishing is obviously improved, so that the post-construction sedimentation value of the roadbeds after tamping is effectively reduced, and the service life of the highway engineering structure layers is prolonged.
The traditional road engineering structure layer tamping technology generally adopts a high-speed hydraulic tamping machine to conduct tamping operation, an existing high-speed hydraulic tamping product is generally composed of a tamping frame, a tamping hammer, tamping feet, a hydraulic driving system and an electrical control system, the tamping frame is generally arranged on a machine body of engineering machinery such as an excavator, a reversed loader and the like, hydraulic driving force is provided by bearing equipment, and the working principle of the hydraulic tamping machine is as follows: the hydraulic cylinder of the hydraulic driving system lifts the rammer to a certain height and releases the rammer, the rammer drops under the combined action of gravity and the hydraulic accumulator, and after the rammer drops, the rammer is impacted and static pressure is exerted on the rammer feet with cushions on the ground, and the bottom surface is tamped by the rammer feet.
According to the tamping technology, a tamping pit is formed at the tamping position, soil around the tamping pit is easy to collect towards the periphery, the collected soil cannot be compacted timely, the tamping highway engineering structure layer is easy to be uneven, and the follow-up tamping equipment is affected; the raised soil cannot be compacted in time, and then the road engineering structure is flattened by adopting a road roller after being compacted for one time, so that the next compaction work can be carried out, and the working efficiency of compaction is affected; in addition, the conventional tamping equipment cannot timely remove soil and rock adhered on the rammer in the tamping process, and the service life of the rammer is easy to influence.
In view of the foregoing, it is desirable to provide a compaction device and a compaction method for highway engineering structure layers.
Disclosure of Invention
The invention aims to provide a road engineering structure layer tamping device and a tamping method, which are used for solving the problem that the noise absorption effect of a sound insulation board in the high-temperature environment proposed in the background art is reduced.
In order to achieve the above object, one of the purposes of the present invention is to provide a highway engineering structure layer tamping device, which comprises an excavator and a tamping frame installed at the end part of a swing arm of the excavator, wherein a hydraulic component for driving tamping is fixedly arranged in the tamping frame, the tamping frame is positioned at the bottom of the hydraulic component, a tamping mechanism for tamping a highway engineering structure layer is connected with a bolt, the tamping mechanism at least comprises an impact part and a tamping hammer, and the lower surface of the impact part is in movable fit with the upper surface of the tamping hammer;
the impact part comprises a punch plate for transmitting impact force, and a vibration component for connecting the rammer is fixedly arranged on the lower surface of the punch plate;
the rammer comprises a hammer body for ramming a highway engineering structural layer, auxiliary pressing components for compacting the raised soil at the ramming pit are rotatably arranged at the peripheral edge of the upper surface of the hammer body, and guide plates for driving the auxiliary pressing components are rotatably arranged at the peripheral edge of the impact part.
The second object of the present invention is to provide a tamping method for a highway engineering structure layer tamping device, comprising the following steps:
before tamping;
step one, enabling the excavator to drive the tamping mechanism to travel to a highway engineering structure layer to be tamped, and after the tamping frame is fixed, carrying out subsequent tamping work;
in the process of tamping, entering a second step;
starting a hydraulic assembly, enabling a movable end of a hydraulic cylinder in the hydraulic assembly to extend or shrink, and driving an impact part connected with the lower surface of a connecting plate through bolts to downwards press or lift up, so that the impact part drives a rammer to hammer the surface of a highway engineering structure layer, and when the impact part downwards presses the rammer, the outer end part of a guide plate can be enabled to strike the inner wall of an auxiliary pressing assembly to enable the auxiliary pressing assembly to be unfolded, and meanwhile, a hammer body falls to the ground to tamp the surface of the highway engineering structure layer, and driving the auxiliary pressing assembly to hammer to fall to the ground to timely compact the gathered soil around a tamping pit;
after tamping, entering a step III;
step three, the movable end of a hydraulic cylinder in the hydraulic component is contracted, when the impact part is driven to lift the rammer upwards, the vibration component fixedly arranged at the lower part of the impact part can pull the hammer body to lift upwards, and the impact part can drive the vibration component to shake off soil and rock adhered to the bottom of the hammer body when the impact part lifts the hammer body rapidly.
Compared with the prior art, the invention has the beneficial effects that:
1. in the road engineering structure layer tamping device and the tamping method, the hydraulic component stretches out or contracts to drive the impact part to push down or lift up, and the impact part can simultaneously transmit the power applied by the hydraulic component to the tamping hammer to enable the tamping hammer to tamp the surface of the road engineering structure layer;
2. in the highway engineering structure layer tamping device and the tamping method, the impact part is pressed down to drive the tamping hammer to tamp, and simultaneously, a plurality of auxiliary pressing assemblies around the tamping hammer can be driven to be unfolded, the unfolded auxiliary pressing assemblies are subjected to the action of gravity, so that the soil around the tamping pit of the tamping hammer can be hammered, the effective area of single tamping is favorably improved, and the working efficiency of the tamping is improved; the unfolded auxiliary pressing assembly can prevent the splashing of soil blocks and rocks to hurt people in the tamping process;
3. in the road engineering structure layer ramming device and the ramming method, the impact part is lifted to drive the rammer to lift up, and meanwhile, a plurality of auxiliary pressing components around the rammer can be driven to be folded, and in the folding process, the soil around the rammer pit can be grabbed into the rammer pit to perform secondary ramming, and the rammer pit is circularly reciprocated, so that the effectiveness of ramming is improved.
4. In the road engineering structure layer ramming device and the ramming method, the impact part can drive the vibration component to quickly lift up while quickly lifting up the rammer, and the rammer is separated from the ground and vibrates under the action of the pulling force, so that the soil and rock adhered to the bottom of the rammer can be timely vibrated down, and the soil and rock at the bottom of the rammer are prevented from influencing the service life of the rammer during secondary ramming.
Drawings
FIG. 1 is a schematic view showing the overall structure of an excavator and a tamping mechanism according to embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the overall structure of a tamper frame and tamper mechanism according to embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view showing the overall structure of the tamper frame and tamper mechanism of embodiment 1 of the present invention;
FIG. 4 is a split view showing the overall structure of the tamper frame and hydraulic assembly and tamper mechanism in accordance with embodiment 1 of the present invention;
FIG. 5 is a schematic view showing the overall structure of the tamper frame and hydraulic assembly of embodiment 1 of the present invention;
FIG. 6 is a split view of the entire tamper mechanism of example 1 of the present invention;
FIG. 7 is a schematic view showing the overall structure of the impact portion and vibration assembly according to embodiment 1 of the present invention;
FIG. 8 is a split view of the overall structure of the impact portion and ram of example 1 of the present invention;
FIG. 9 is a cross-sectional view of the overall structure of the impact portion and ram of example 1 of the present invention;
FIG. 10 is a split view showing the overall structure between the impact portion and the vibration assembly and the guide plate in embodiment 1 of the present invention;
FIG. 11 is a schematic view showing the overall structure of the ram and the auxiliary pressure assembly in embodiment 1 of the present invention;
FIG. 12 is a split view of the overall structure of the ram and auxiliary pressure assembly of example 1 of the present invention;
FIG. 13 is a schematic view showing the overall structure of the auxiliary pressing assembly in embodiment 1 of the present invention;
FIG. 14 is a split view showing the overall structure of the impact portion and the ram in example 2 of the present invention;
FIG. 15 is a schematic view showing the overall structure of the impact portion and the ram in embodiment 2 of the present invention;
FIG. 16 is an enlarged view of the part of the structure A of FIG. 15 in embodiment 2 of the present invention;
FIG. 17 is a schematic diagram showing the overall structure of the auxiliary pressing assembly and the clamping groove in the clamping member according to embodiment 2 of the present invention;
fig. 18 is a cross-sectional view showing the overall structure of the auxiliary pressing assembly and the clamping groove in the clamping member in embodiment 2 of the present invention.
The meaning of each reference sign in the figure is:
1. an excavator;
2. a tamping frame; 20. a mounting part; 21. a support part;
3. a hydraulic assembly; 30. a support plate; 31. a hydraulic cylinder; 32. a connecting plate;
4. a tamping mechanism;
40. an impact section; 400. punching;
41. a rammer; 410. a hammer body; 411. a through hole; 412. a guide groove;
42. a vibration assembly; 420. a guide rod; 421. a clamping rod; 422. round bench;
43. an auxiliary pressing assembly; 430. a rotating plate; 431. balancing weight; 432. grabbing a plate; 433. a roller;
44. a guide plate;
45. a clamping piece; 450. a clamping groove; 451. and (3) clamping jaws.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
The invention provides a highway engineering structure layer tamping device, as shown in figures 1-13, the highway engineering structure layer tamping device comprises an excavator 1 and a tamping frame 2 arranged at the end part of a swing arm of the excavator 1, a hydraulic component 3 for driving tamping is fixedly arranged inside the tamping frame 2, the inside of the tamping frame 2 is positioned at the bottom of the hydraulic component 3, a tamping mechanism 4 for tamping a highway engineering structure layer is connected with bolts, before tamping, the excavator 1 is driven to the surface of the highway engineering structure layer to be tamped, the swing arm drives the tamping frame 2, the tamping frame 2 is moved to the tamping position, so that the tamping mechanism 4 can be in preparation for the tamping position, the tamping mechanism 4 at least comprises a tamping part 40 and a tamping hammer 41, the lower surface of the tamping part 40 is in movable fit with the upper surface of the tamping hammer 41, and in the tamping process, the movable end part of the hydraulic component 3 is enabled to extend or shrink to drive the tamping part 40 to be quickly pressed down or quickly lifted, and the tamping mechanism 4 is enabled to drive the tamping part 40 in the tamping structure layer to be in the tamping process;
specifically, the impact part 40 includes a punch plate 400 for transmitting impact force, a vibration component 42 for connecting the rammer 41 is fixedly arranged on the lower surface of the punch plate 400, when the movable end of the hydraulic component 3 stretches out to drive the impact part 40 to rapidly press down, the lower surface of the impact part 40 can be rapidly attached to the upper surface of the rammer 41, the impact force applied by the hydraulic component 3 is transmitted to the rammer 41, while the lower surface of the impact part 40 is rapidly attached to the upper surface of the rammer 41, the outer end part of the vibration component 42 can be driven to stretch out to the bottom of the rammer 41, the vibration component 42 and the rammer 41 are mutually matched to perform tamping operation on the surface of a highway engineering structure layer to be tamped; after the primary tamping operation is finished, the movable end of the hydraulic component 3 is contracted to drive the impact part 40 to quickly lift up, so that the impact plate 400 can be driven to quickly lift up, the vibration component 42 can be driven to quickly lift up, and meanwhile, the vibration component 42 can apply upward pulling force to the rammer 41, and the rammer 41 is pulled away from the ground and vibrated under the action of the pulling force, so that the soil and rock adhered to the bottom of the rammer 41 can be timely vibrated down, the soil and rock at the bottom of the rammer 41 can be prevented from affecting the service life of the rammer 41 when the rammer is tamped again, and the operation is repeated when the rammer is needed again;
further, the rammer 41 includes a ram 410 for ramming the highway engineering structure layer, the upper surface of the ram 410 is located at the peripheral edge and is provided with rotary auxiliary pressing components 43 for compacting the raised soil at the ramming pit, the impact part 40 is close to the peripheral edge and is provided with rotary guide plates 44 for driving the auxiliary pressing components 43, during the ramming process, the lower surface of the impact part 40 is fast attached to the upper surface of the rammer 41 and simultaneously drives the outer end parts of the guide plates 44 to respectively impact the inner wall of the auxiliary pressing components 43, so that the auxiliary pressing components 43 are unfolded towards the peripheral direction of the ram 410, when the bottom of the ram 410 is hammered onto the surface of the highway engineering structure layer to be rammed, the hammer 410 presses the surface of the highway engineering structure layer out of the ramming pit, and meanwhile, the unfolded auxiliary pressing components 43 are acted by self weight, so that the lower end parts of the auxiliary pressing components are back onto the periphery of the ramming pit, the raised soil around the ramming pit is timely compacted, and the effective area of single ramming is improved; and the unfolded auxiliary pressing assembly 43 can prevent the earth and rock from splashing during the tamping of the hammer body 410 to hurt people.
Referring to fig. 1 and 3, as described above, the tamper frame 2 includes a mounting portion 20, an outer wall of the mounting portion 20 is fixedly connected with an end portion of a swing arm of the excavator 1, the hydraulic assembly 3 is fixedly connected with an inner wall of the mounting portion 20, and support portions 21 are fixedly arranged at four corners of the bottom of the mounting portion 20, where the support portions 21 are beneficial to ensuring stability of the tamper process.
Referring to fig. 3-5, it is to be described that the hydraulic assembly 3 includes a support plate 30, the support plate 30 is fixedly connected with an inner wall of the mounting portion 20 in the tamper frame 2, a hydraulic cylinder 31 and a connecting plate 32 fixed at a movable end of the hydraulic cylinder 31 are fixedly arranged on a lower surface of the support plate 30, a lower surface of the connecting plate 32 is connected with an upper surface of the ram 400 through bolts, the hydraulic cylinder 31 in the hydraulic assembly 3 is started, and the hydraulic cylinder 31 is movably stretched or contracted to drive the connecting plate 32 to push down or lift up, so that the connecting plate 32 drives the ram 400 to push down or lift up, and power applied by the movable end of the hydraulic cylinder 31 is transferred to the hammer 410.
Referring to fig. 7-9, on the basis of the above description, the structure and working process of the vibration assembly 42 are further described, the vibration assembly 42 includes a plurality of guide rods 420, the upper surface of the ram 410 is provided with a plurality of through holes 411, the plurality of guide rods 420 are respectively movably connected with the plurality of through holes 411, the inner ends of the plurality of guide rods 420 are fixedly connected with the lower surface of the ram 400, the outer ends of the plurality of guide rods 420 are fixedly provided with clamping rods 421, the diameter of the plurality of through holes 411 near the inner end is smaller than the diameter of the plurality of clamping rods 421, the diameter of the guide rods 420 is smaller than the diameter of the plurality of clamping rods 421, the guide rods 420 are movably matched with the through holes 411 near the inner end, the clamping rods 421 are movably matched with the through holes 411 near the outer end, and when the ram 400 is pressed down, the lower surface of the ram 400 can be driven to be fixedly provided with the plurality of guide rods 420 along the plurality of through holes 411 until the lower surface of the ram 400 is attached to the upper surface of the ram 410, the clamping rods 421 at the outer ends of the guide rods 420 can be extended to the outer ends of the through holes 411, and the ram 410 can be driven by the ram 400 to drive the ram 410 to press the engineering structure to work on the surface; when the punch 400 is lifted up until the lower surface of the punch 400 is separated from the upper surface of the hammer body 410, the plurality of guide rods 420 can be driven to move upwards along the through holes 411 respectively, when the clamping connection rods 421 at the outer ends of the guide rods 420 collide with the inner ends of the through holes 411, the hammer body 410 can be lifted up, and the hammer body 410 can be vibrated while colliding, so that the soil and rock adhered to the bottom of the hammer body can be timely vibrated down.
Referring to fig. 9, further, the outer end portions of the plurality of clamping rods 421 are fixedly provided with circular tables 422, the plurality of circular tables 422 respectively extend out of the plurality of through holes 411, and the plurality of circular tables 422 respectively movably cooperate with the plurality of through holes 411, when the clamping rods 421 at the outer end portions of the plurality of guide rods 420 extend out of the through holes 411, the circular tables 422 at the outer end portions of the plurality of clamping rods 421 can be driven to extend out of the through holes 411, and the plurality of circular tables 422 extend out of or retract into the through holes 411, so that the soil adhered to the bottom of the hammer 410 is smashed, and the cleaning effectiveness of the soil at the bottom of the hammer 410 is improved.
Referring to fig. 8 and 9, it should be noted that the outer ends of the plurality of guide plates 44 are respectively movably matched with the inner walls of the plurality of auxiliary pressing assemblies 43, the hammer 410 is provided with guide grooves 412 near the peripheral edges, the plurality of guide plates 44 are respectively movably matched with the plurality of guide grooves 412, and the inner wall size of the plurality of guide grooves 412 is larger than the outer wall size of the guide plates 44, so that smoothness of the movement of the guide plates 44 in the guide grooves 412 can be ensured.
Example 2
Since the movable end of the hydraulic cylinder 31 is extended to drive the punch 400 to press down and the punch 400 drives the plurality of guide rods 420 to respectively impact the inner walls of the plurality of auxiliary pressing assemblies 43, so that the plurality of auxiliary pressing assemblies 43 receive the impact force of the guide plates 420 and are unfolded towards the periphery of the hammer 410, but when the punch 400 is lifted up to drive the hammer 410, the punch 400 is folded towards the outer wall of the hammer 410 only by the gravity action of the auxiliary pressing assemblies 43, so that certain inconvenience is caused, the following improvement is made on the basis of embodiment 1:
referring to fig. 14 and 18, the plurality of guide plates 44 are all in an arc shape, the outer ends of the plurality of guide plates 44 are respectively and fixedly provided with clamping pieces 45 to be clamped and matched with the inner walls of the plurality of auxiliary pressing assemblies 43, the plurality of clamping pieces 45 comprise clamping grooves 450 and clamping claws 451, the plurality of clamping grooves 450 are respectively and movably matched with the plurality of clamping claws 451, the plurality of clamping grooves 450 are respectively and fixedly connected with the inner walls of the plurality of auxiliary pressing assemblies 43, the plurality of clamping claws 451 are respectively and fixedly connected with the outer ends of the plurality of guide plates 44, when the movable ends of the hydraulic cylinders 31 extend to drive the punching plate 400 to press downwards until the lower surface of the punching plate 400 is attached to the upper surface of the hammer body 410, and meanwhile, the guide plates 44 in an arc shape can be driven to rotate along the guide grooves 412 for a certain angle and extend to the inner walls of the auxiliary pressing assemblies 43, so that the clamping claws 451 fixedly arranged at the outer ends of the guide plates 44 are clamped in the clamping grooves 450 fixedly arranged on the inner walls of the auxiliary pressing assemblies 43, and the auxiliary pressing assemblies 43 can be ensured to be unfolded; when the movable end of the hydraulic cylinder 31 contracts to drive the punch 400 to lift up until the lower surface of the punch 400 is separated from the upper surface of the hammer 410, meanwhile, the guide plate 44 in an arc shape can be driven to rotate along the guide groove 412 by a certain angle, and the punch 400 lifts up, and at the same time, the auxiliary pressing assembly 43 pulled by the guide plate 44 can be drawn toward the outer wall of the hammer 410, which is favorable for ensuring that the auxiliary pressing assembly 43 can be drawn, and the claw 451 at the outer end of the guide rod 44 is separated from the clamping groove 450 after rotating by a certain angle along with the guide plate 44, so that the clamping piece 45 is favorable for improving the convenience of use.
It should be noted that, the auxiliary pressing assemblies 43 include rotating plates 430, one edge of each rotating plate 430 is rotationally connected with the hammer body 410, the other edge of each rotating plate 430 is fixedly provided with a balancing weight 431, the inner edges of each balancing weight 431 are fixedly provided with a grabbing plate 432, the inner edges of each grabbing plate 432 are movably matched with the hammer body 410, when the hammer body 410 is lifted, the rotating plates 430 are folded, and simultaneously, the grabbing plates 432 can grab the soil around the tamping pit into the tamping pit for continuous tamping.
Further, the roller 433 is rotatably arranged at the bottoms of the balancing weights 431, so that the roller 433 can ensure the smoothness of the unfolding and folding of the rotating plate 430, and the rotating plate 430 can roll the soil around the tamping pit while unfolding and folding.
The invention also provides a tamping method for the highway engineering structure layer tamping device, which comprises the following steps:
before tamping;
step one, enabling the excavator 1 to drive the tamping mechanism 4 to travel to a highway engineering structure layer to be tamped, fixing the supporting part 21 in the tamping frame 2, and then enabling the subsequent tamping operation to be carried out, and continuously executing the step one, and entering the step two in the tamping process;
step two, starting the hydraulic assembly 3, enabling the movable end of the hydraulic cylinder 31 in the hydraulic assembly 3 to extend or shrink, and driving the impact part 40 connected with the lower surface of the connecting plate 32 through bolts to press down or lift up, so that the impact part 40 can drive the rammer 41 to hammer the surface of the highway engineering structural layer, tamping the highway engineering structural layer, when the impact part 40 presses down the rammer 41, the outer end part of the guide plate 44 can be enabled to strike the inner wall of the auxiliary pressing assembly 43 to enable the auxiliary pressing assembly 43 to be unfolded, meanwhile, the hammer body 410 is placed on the ground to tamp the surface of the highway engineering structural layer, driving the auxiliary pressing assembly 43 to be placed on the ground to timely compact the soil surrounding the tamping pit, thereby being beneficial to improving the effective area of single tamping, improving the working efficiency of the tamping, and continuing to execute step two, and entering step three after the tamping;
step three, after the tamping operation is finished, the movable end of the hydraulic cylinder 31 in the hydraulic component 3 is contracted, when the impact part 40 is driven to lift the rammer 41, the vibration component 42 fixedly arranged at the lower part of the impact part 40 can be used for pulling the hammer body 410 to lift upwards, and when the impact part 40 rapidly lifts the hammer body 410, the vibration component 42 can be driven to shake off the soil and rock adhered to the bottom of the hammer body 410, so that the soil and rock at the bottom of the rammer 41 can be prevented from influencing the service life of the rammer 41 when the tamping operation is needed again, and the above operation can be repeated; and when the hammer body 410 is lifted, the rotary plate 430 can be driven to fold, and meanwhile, the grabbing plate 432 can grab the soil around the tamping pit to the tamping pit for secondary tamping.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a highway engineering structure layer ramming device, its includes excavator (1) and installs rammer frame (2) of excavator (1) swing arm tip department, rammer frame (2) inside is fixed to be equipped with and is used for driving hydraulic assembly (3) that ramm, rammer frame (2) inside is located hydraulic assembly (3) bottom department, bolted connection has rammer mechanism (4) that are used for ramming highway engineering structure layer, its characterized in that: the tamping mechanism (4) at least comprises an impact part (40) and a rammer (41), wherein the lower surface of the impact part (40) is movably matched with the upper surface of the rammer (41);
the impact part (40) comprises a punch plate (400) for transmitting impact force, and a vibration assembly (42) for connecting the rammer (41) is fixedly arranged on the lower surface of the punch plate (400);
the rammer (41) comprises a hammer body (410) for ramming a highway engineering structural layer, auxiliary pressing assemblies (43) for compacting the raised soil at the rammer pit are rotatably arranged on the upper surface of the hammer body (410) at the peripheral edges, and guide plates (44) for driving the auxiliary pressing assemblies (43) are rotatably arranged on the impact part (40) close to the peripheral edges.
2. The highway engineering structure layer ramming device according to claim 1, wherein: the vibration assembly (42) comprises a plurality of guide rods (420), a plurality of through holes (411) are formed in the upper surface of the hammer body (410), the guide rods (420) are respectively movably connected with the through holes (411), the inner end parts of the guide rods (420) are fixedly connected with the lower surface of the punch plate (400), clamping rods (421) are fixedly arranged at the outer end parts of the guide rods (420), the diameter of the through holes (411) close to the inner end parts is smaller than that of the outer end parts, the diameter of the guide rods (420) is smaller than that of the clamping rods (421), the guide rods (420) are in movable fit with the through holes (411) close to the inner end parts, and the clamping rods (421) are in movable fit with the through holes (411) close to the outer end parts.
3. The highway engineering structure layer ramming device according to claim 2, wherein: the outer ends of the clamping connection rods (421) are fixedly provided with round tables (422), the round tables (422) respectively extend out of the through holes (411), and the round tables (422) are respectively in movable fit with the through holes (411).
4. The highway engineering structure layer ramming device according to claim 3, wherein: the outer ends of the guide plates (44) are respectively in movable fit with the inner walls of the auxiliary pressing assemblies (43), guide grooves (412) are formed in the positions, close to the peripheral edges, of the hammer body (410), the guide plates (44) are respectively in movable fit with the guide grooves (412), and the inner wall sizes of the guide grooves (412) are larger than the outer wall sizes of the guide plates (44).
5. The highway engineering structure layer ramming device according to claim 4, wherein: the guide plates (44) are all arc-shaped, the outer end parts of the guide plates (44) are respectively fixedly provided with clamping pieces (45) for clamping cooperation with the inner walls of the auxiliary pressing assemblies (43), the clamping pieces (45) comprise clamping grooves (450) and clamping claws (451), the clamping grooves (450) are respectively movably matched with the clamping claws (451), the clamping grooves (450) are respectively fixedly connected with the inner walls of the auxiliary pressing assemblies (43), and the clamping claws (451) are respectively fixedly connected with the outer end parts of the guide plates (44).
6. The highway engineering structure layer ramming device according to claim 1, wherein: the auxiliary pressing assembly (43) comprises rotating plates (430), one edge of each rotating plate (430) is rotationally connected with the hammer body (410), the other edge of each rotating plate (430) is fixedly provided with a balancing weight (431), the inner edge of each balancing weight (431) is fixedly provided with a grabbing plate (432), and the inner edges of the grabbing plates (432) are movably matched with the hammer body (410).
7. The highway engineering structure layer ramming device according to claim 6, wherein: the bottoms of the balancing weights (431) are respectively provided with a roller (433) in a rotating mode.
8. The highway engineering structure layer ramming device according to claim 1, wherein: the rammer frame (2) comprises a mounting portion (20), the outer wall of the mounting portion (20) is fixedly connected with the end portion of a swing arm of the excavator (1), the hydraulic assembly (3) is fixedly connected with the inner wall of the mounting portion (20), and supporting portions (21) are fixedly arranged at the four corners of the bottom of the mounting portion (20).
9. The highway engineering structure layer ramming device according to claim 8, wherein: the hydraulic assembly (3) comprises a supporting plate (30), the supporting plate (30) is fixedly connected with the inner wall of the mounting part (20) in the ramming frame (2), a hydraulic cylinder (31) and a connecting plate (32) fixed at the movable end of the hydraulic cylinder (31) are fixedly arranged on the lower surface of the supporting plate (30), and the lower surface of the connecting plate (32) is in bolt connection with the upper surface of the punching plate (400).
10. A ramming method for a road engineering structure layer ramming apparatus according to any one of claims 1 to 9, characterized by comprising the method steps of:
before tamping;
step one, enabling the excavator (1) to drive the tamping mechanism (4) to travel to a highway engineering structure layer to be tamped, and enabling subsequent tamping work to be carried out after the tamping frame (2) is fixed;
in the process of tamping, entering a second step;
step two, starting the hydraulic assembly (3), enabling the movable end of the hydraulic cylinder (31) in the hydraulic assembly (3) to extend or shrink, and driving the impact part (40) connected with the lower surface of the connecting plate (32) through bolts to press down or lift up, so that the impact part (40) can drive the rammer (41) to hammer the surface of the highway engineering structure layer, and when the impact part (40) presses down the rammer (41), the outer end of the guide plate (44) can be enabled to strike the inner wall of the auxiliary pressing assembly (43) to enable the auxiliary pressing assembly (43) to be unfolded, and meanwhile, the hammer body (410) is used for pressing the surface of the highway engineering structure layer in a falling mode to drive the auxiliary pressing assembly (43) to hammer down to the ground, so that the gathered soil around the rammed pit is compacted in time;
after tamping, entering a step III;
step three, the movable end of a hydraulic cylinder (31) in the hydraulic component (3) is contracted, when the impact part (40) is driven to lift the rammer (41), the hammer body (410) is pulled to lift upwards by the vibration component (42) fixedly arranged at the lower part of the impact part (40), and when the hammer body (410) is lifted quickly by the impact part (40), the soil and rock adhered to the bottom of the hammer body (410) can be vibrated down by the vibration component (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310629049.2A CN116411560A (en) | 2023-05-31 | 2023-05-31 | Road engineering structure layer tamping device and tamping method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310629049.2A CN116411560A (en) | 2023-05-31 | 2023-05-31 | Road engineering structure layer tamping device and tamping method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117385698A (en) * | 2023-12-12 | 2024-01-12 | 吉林省中原建设集团有限公司 | Municipal road engineering pavement construction device and construction method |
| CN118127879A (en) * | 2024-05-06 | 2024-06-04 | 河南远辰祥建设工程有限公司 | Compacting equipment for pavement of water conservancy projects |
| CN121321580A (en) * | 2025-12-12 | 2026-01-13 | 厦门交安建设工程有限公司 | A roadbed compaction device |
-
2023
- 2023-05-31 CN CN202310629049.2A patent/CN116411560A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117385698A (en) * | 2023-12-12 | 2024-01-12 | 吉林省中原建设集团有限公司 | Municipal road engineering pavement construction device and construction method |
| CN117385698B (en) * | 2023-12-12 | 2024-02-23 | 吉林省中原建设集团有限公司 | Municipal road engineering pavement construction device and construction method |
| CN118127879A (en) * | 2024-05-06 | 2024-06-04 | 河南远辰祥建设工程有限公司 | Compacting equipment for pavement of water conservancy projects |
| CN118127879B (en) * | 2024-05-06 | 2024-07-23 | 河南远辰祥建设工程有限公司 | Compacting equipment for paving hydraulic engineering pavement |
| CN121321580A (en) * | 2025-12-12 | 2026-01-13 | 厦门交安建设工程有限公司 | A roadbed compaction device |
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