CN112095383A - Roadbed tamping device - Google Patents
Roadbed tamping device Download PDFInfo
- Publication number
- CN112095383A CN112095383A CN202011064604.4A CN202011064604A CN112095383A CN 112095383 A CN112095383 A CN 112095383A CN 202011064604 A CN202011064604 A CN 202011064604A CN 112095383 A CN112095383 A CN 112095383A
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- China
- Prior art keywords
- block
- bottom block
- pressing plate
- hole
- vertical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002689 soil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 241000251131 Sphyrna Species 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
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
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
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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
- E02D3/068—Vibrating apparatus operating with systems involving reciprocating masses
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to a roadbed tamping device, which effectively solves the problems that the tamping efficiency of a heavy hammer is low and the ground deflection cannot be automatically corrected; the technical scheme includes that the combined hammer comprises a bottom block, a top block and a plurality of middle blocks, stepped through holes are formed in the bottom block and each middle block, a ball body is mounted in each through hole and fixed to the middle block or the lower end of the top block above the bottom block, a first convex edge is arranged at the bottom of the combined hammer, the outer side wall of the first convex edge is a conical surface, the inner side wall of the first convex edge is a vertical cylindrical surface, chamfers are arranged at the upper end of the bottom block and the upper end of each middle block, a circle of second convex edge is arranged at the lower end of the top block and the lower end of each middle block, and the second convex edge presses the lower chamfer when the top block or the middle block slides downwards; the invention can realize multiple times of hammering by one-time hoisting, effectively improves the tamping efficiency and can automatically realize the leveling of the inclined ground.
Description
Technical Field
The invention relates to the field of roadbed construction, in particular to a roadbed tamping device.
Background
The heavy hammer tamping method is a foundation treatment method for enabling a soil layer in a certain depth under the ground to reach a compact state by utilizing impact energy generated when a heavy hammer freely falls from high altitude; the existing rammer is a single hammer head, one-time hoisting is carried out to ram the ground once, and the time consumption during ramming operation mainly lies in the hammer head lifting process, so that the ramming operation efficiency is low and the construction period is long; moreover, when the ground is tamped, the deflection with one side higher and the other side lower often occurs, the current hammer head cannot automatically correct the deflection, and when the deflection is larger, a worker needs to tamp after leveling the hammer head; in addition, in order to avoid the air layer below the hammer head to reduce the impact energy of the hammer head, the hammer head is provided with exhaust holes, the ground is tamped repeatedly a little by a little during point tamping, and the hammer head cannot deflect at a large angle during hoisting, so that the falling point positions of the exhaust holes are highly coincided during multiple tamping, if the diameter of the exhaust holes is large, the ground corresponding to the exhaust holes can form a tamping weak point to form a bulge, and if the diameter of the exhaust holes is small, the exhaust holes are easily blocked.
Disclosure of Invention
Aiming at the situation, the invention provides a roadbed tamping device for overcoming the defects of the prior art, and effectively solves the problems that the heavy hammer tamping efficiency is low, the ground deflection cannot be automatically corrected, bulges are easily formed at exhaust holes, and the exhaust holes are easily blocked.
The roadbed tamping device comprises a combined hammer head, wherein the combined hammer head comprises a bottom block, a top block and a plurality of middle blocks, and the top block, the middle blocks and the bottom block are sequentially arranged from top to bottom; the top block, the bottom block and the middle blocks are of columnar structures, two sections of stepped through holes with upward small ends are formed in the axis of each bottom block and each middle block, a ball body is mounted in the large-diameter section of each through hole, the diameter of each ball body is larger than that of the small-diameter section of each through hole, each ball body can slide and rotate in each through hole, a vertical connecting rod is fixed on each ball body, each connecting rod extends out of the upper end of each through hole and is fixed at the lower end of the middle block or the lower end of the top block above the corresponding connecting rod, and the ball bodies are matched with the through holes to enable the top blocks, the middle blocks and the bottom blocks to be connected in series, and the blocks can; the bottom of combination tup is equipped with the first protruding edge of concentric annular of many circles, and the lateral wall on first protruding edge is tip conical surface down, and the inside wall on first protruding edge is vertical face of cylinder, and the upper end of bottom block and the upper end of every intermediate block all are equipped with the chamfer, and the lower extreme of kicking block and the lower extreme of every intermediate block all are equipped with the protruding edge of annular second of circle with one heart, and the protruding edge of second presses on the chamfer of below when kicking block or intermediate block glide.
The invention can realize multiple times of hammering by one-time hoisting, effectively improves the tamping efficiency and can automatically realize the leveling of the inclined ground; in addition, the blocking of the exhaust hole can be avoided, and the bulge at the exhaust hole can also be avoided.
Drawings
FIG. 1 is a front cross-sectional view of the present invention during lifting.
Figure 2 is a front cross-sectional view of the invention during tamping.
Figure 3 is a front cross-sectional view of the present invention in ramming a deviated ground surface.
Fig. 4 is an enlarged view of the position a in fig. 1.
FIG. 5 is a bottom view of the platen press.
Fig. 6 is a perspective view of the platen.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the combined hammer comprises a combined hammer head, wherein the combined hammer head comprises a bottom block 1, a top block 2 and a plurality of middle blocks 3, and the top block 2, the middle blocks 3 and the bottom block 1 are sequentially arranged from top to bottom; the top block 2, the bottom block 1 and the middle blocks 3 are all of a columnar structure, two sections of stepped through holes 4 with upward small ends are formed in the axis of each of the bottom block 1 and each of the middle blocks 3, a ball body 5 is installed in the large-diameter section of each of the through holes 4, the diameter of each of the ball bodies 5 is larger than that of the small-diameter section of each of the through holes 4, each of the ball bodies 5 can slide and rotate in the through hole 4, a vertical connecting rod 6 is fixed on each of the ball bodies 5, each of the connecting rods 6 extends out of the upper end of each of the through holes 4 and is fixed at the lower end of the middle block 3 or the top block 2 above the through hole, and the ball bodies 5 and the through holes 4 are matched to connect the top block 2, the middle blocks; the bottom of combination tup is equipped with the first protruding edge 7 of concentric annular of many circles, and the lateral wall of first protruding edge 7 is tip conical surface down, and the inside wall of first protruding edge 7 is vertical face of cylinder, and the upper end of bottom block 1 and the upper end of every middle block 3 all are equipped with chamfer 8, and the lower extreme of kicking block 2 and the lower extreme of every middle block 3 all are equipped with the protruding edge 9 of the annular second of round with one heart, and the protruding edge 9 of second presses on chamfer 8 of below when kicking block 2 or middle block 3 glide.
The combined hammer further comprises a horizontal pressing plate 10, the pressing plate 10 is hung at the lower end of the bottom block 1 and can slide up and down relative to the bottom block 1, the first convex edge 7 is arranged on the lower surface of the pressing plate 10, the top block 2, the bottom block 1 and each middle block 3 are respectively provided with a vertical first exhaust hole 11, the pressing plate 10 is provided with a plurality of vertical second exhaust holes 12, the second exhaust holes 12 are staggered with the first exhaust holes 11 on the bottom block 1, the lower end of the bottom block 1 is provided with a plurality of pressing blocks 13 corresponding to the second exhaust holes 12 one by one, when the pressing plate 10 moves upwards relative to the bottom block 1, the pressing blocks 13 extend into the second exhaust holes 12, and when the pressing plate 10 is in contact with the bottom block 1, the lower ends of the pressing blocks 13 are flush with the lower end of the pressing plate 10; smash the in-process to being close ground under the tup, the air between tup and ground is discharged through second exhaust hole 12 and first exhaust hole 11, avoids forming the atmospheric pressure resistance to the tup, and clamp plate 10 contacts behind the ground, and the bottom block 1 whereabouts makes 13 punching presses of briquetting get into in the second exhaust hole 12, pushes out the compaction with the soil in the second exhaust hole 12, avoids second exhaust hole 12 to block up and avoids second exhaust hole 12 position tamping dynamics to form the swell inadequately simultaneously.
The upper surface circumference equipartition a plurality of vertical screw rods 14 of clamp plate 10, the lateral wall of bottom block 1 on open and to have the perpendicular groove 15 of a plurality of circumference equipartitions, perpendicular groove 15 and screw rod 14 one-to-one, the upper end of screw rod 14 penetrates in perpendicular groove 15 and can slide bottom block 1 relatively from the bottom of bottom block 1, the nut 16 is equipped with soon in the upper end of screw rod 14 to hang clamp plate 10 slidable at the lower extreme of bottom block 1.
The lower end of each middle block 3 and the lower end of each top block 2 are provided with internal threads, the internal threads at the lower end of each middle block 3 are arranged on the inner wall of the lower end of each through hole 4, a vertical bolt 17 is fixed at the upper end of each connecting rod 6, and the bolt 17 is screwed in the internal threads at the upper part.
When the second convex edge 9 is pressed on the lower chamfer 8 of the middle block 3 or the bottom block 1, gaps are reserved between the top block 2 and the middle block 3, between two adjacent middle blocks 3 and between the middle block 3 and the bottom block 1; the clearance is provided, on the one hand, for smooth venting and, on the other hand, for the weight of the top piece 2 or of the upper intermediate piece 3 to act completely on the bottom piece 1 or on the lower intermediate piece 3 via the chamfer 8.
When the device is assembled, firstly, the connecting rod 6 and the ball body 5 are arranged in the through holes 4 from the lower ends of the through holes 4, the upper ends of the connecting rod 6 extend out of the through holes 4, then bolts 17 are screwed into the internal threads at the lower ends of the top block 2 and the middle block 3, then the upper ends of the connecting rod 6 are sequentially fixed on the bolts 17 above, and the connecting rod 6 and the bolts 17 can be welded and fixed or can be connected and fixed by threads; finally, the screws 14 on the pressure plate 10 correspondingly penetrate into the vertical slots 15 and the nuts 16 are screwed on, so that the assembly of the combined hammer head is completed.
When the combined hammer head is used for point tamping, the combined hammer head is lifted to the designed height by the aid of the crane to hang the top block 2, then the combined hammer head falls off, when the combined hammer head is close to the ground, air between the combined hammer head and the ground is exhausted from the second exhaust hole 12 and the first exhaust hole 11, the pressing plate 10 firstly contacts with the ground, then the bottom block 1 is hammered on the pressing plate 10, then the middle block 3 at the lowest part is hammered on the bottom block 1, the middle blocks 3 at the upper part are hammered on the middle blocks 3 at the lower part in sequence, finally the top block 2 is hammered on the middle blocks 3, and multiple times of impact tamping are carried out on the ground by means of one-time lifting, so that tamping efficiency is greatly improved.
During tamping, the first ledge 7 below the pressing plate 10 will be inserted into the soil, and if the ground deflects during tamping, one side of the bottom block 1 is higher and the other side is lower, when the middle block 3 above the bottom block is hit and falls on the bottom block 1, the second convex edge 9 on the middle block 3 is firstly contacted with the chamfer 8 on the higher side of the bottom block 1, the side of the bottom block 1 is the main stress position, under the action of the chamfer 8, the hitting force can apply an oblique downward impact force to the bottom block 1, so that the bottom block 1 slides to the lower side, because the outer side of the first convex edge 7 is a conical surface, when the pressure plate 10 slides to the lower side along with the bottom block 1, the inner wall of the higher side of the first convex edge 7 can push soil to the lower side, the outer wall of the lower side of the first convex edge 7 can be smeared from the soil layer, so that the soil can not be pushed in a large amount, the soil on the higher side can be gradually pushed to the lower side on the whole, and the height deflection of the tamped ground can be corrected; after the middle block 3 at the lowest part is completely compacted on the bottom block 1, the middle block 3 and the top block 2 at the upper part can be sequentially smashed and fall off, soil can be pushed to the lower side by smashing each time, and the inclined ground is gradually leveled.
According to the invention, multiple hammering can be realized by one-time hoisting through the tandem type combined hammer heads, and the hammer heads can relatively deflect, so that the ground compaction force at the higher side is larger, the first convex edge 7, the chamfer 8 and the second convex edge 9 are matched to push soil at the higher side to the lower side during each hammering, and the leveling of the inclined ground is automatically realized; in addition, the first exhaust hole 11 and the second exhaust hole 12 are arranged in a staggered mode, and the pressing block 13 is matched with the second exhaust hole 12, so that the exhaust holes can be prevented from being blocked, and the exhaust holes can also be prevented from forming bulges.
Claims (5)
1. A roadbed tamping device is characterized by comprising a combined hammer head, wherein the combined hammer head comprises a bottom block (1), a top block (2) and a plurality of middle blocks (3), and the top block (2), the middle blocks (3) and the bottom block (1) are sequentially arranged from top to bottom; the top block (2), the bottom block (1) and the middle block (3) are of a columnar structure, the axis of the bottom block (1) and each middle block (3) is provided with a through hole (4) with two steps and upward small ends, a ball body (5) is installed in the large-diameter section of each through hole (4), the diameter of the ball body (5) is larger than that of the small-diameter section of each through hole (4), the ball body (5) can slide and rotate in the through hole (4), a vertical connecting rod (6) is fixed on the ball body (5), the connecting rod (6) extends out of the upper end of each through hole (4) and is fixed at the lower end of the middle block (3) or the top block (2) above the connecting rod, the ball body (5) and the through hole (4) are matched to connect the top block (2), the middle block (3) and the bottom block (1) in series, and the blocks can slide and deflect relatively; the bottom of combination tup is equipped with first protruding edge (7) of concentric annular many rings, the lateral wall of first protruding edge (7) is tip conical surface down, the inside wall of first protruding edge (7) is vertical face of cylinder, the upper end of bottom block (1) and the upper end of every intermediate block (3) all are equipped with chamfer (8), the lower extreme of kicking block (2) and the lower extreme of every intermediate block (3) all are equipped with protruding edge (9) of annular second of round with one heart, the protruding edge (9) of second is pressed on chamfer (8) of below when kicking block (2) or intermediate block (3) glide.
2. The roadbed tamping device according to claim 1, wherein the combined hammer head further comprises a horizontal pressing plate (10), the pressing plate (10) is hung at the lower end of the bottom block (1) and can slide up and down relative to the bottom block (1), the first convex edge (7) is arranged on the lower surface of the pressing plate (10), the top block (2), the bottom block (1) and each middle block (3) are respectively provided with a vertical first exhaust hole (11), the pressing plate (10) is provided with a plurality of vertical second exhaust holes (12), the second exhaust holes (12) are staggered with the first exhaust holes (11) on the bottom block (1), the lower end of the bottom block (1) is provided with a plurality of pressing blocks (13) corresponding to the second exhaust holes (12) one by one, when the pressing plate (10) moves upwards relative to the bottom block (1), the pressing blocks (13) extend into the second exhaust holes (12), and when the pressing plate (10) is contacted with the bottom block (1), the lower end of the pressing block (13) is flush with the lower end of the pressing plate (10).
3. The roadbed tamping device according to claim 1, wherein a plurality of vertical screws (14) are uniformly distributed on the circumference of the upper surface of the pressing plate (10), a plurality of vertical grooves (15) are uniformly distributed on the side wall of the bottom block (1), the vertical grooves (15) correspond to the screws (14) one by one, the upper ends of the screws (14) penetrate into the vertical grooves (15) from the bottom of the bottom block (1) and can slide relative to the bottom block (1), and nuts (16) are screwed on the upper ends of the screws (14), so that the pressing plate (10) can be hung at the lower end of the bottom block (1) in a sliding manner.
4. The roadbed ramming device according to claim 1, characterized in that the lower end of each middle block (3) and the lower end of the top block (2) are provided with internal threads, the internal threads at the lower end of the middle block (3) are arranged on the inner wall of the lower end of the through hole (4), the upper end of each connecting rod (6) is fixed with a vertical bolt (17), and the bolt (17) is screwed in the internal threads above.
5. A subgrade tamper according to claim 1, characterized in that when said second ledge (9) presses on the lower chamfer (8) of the middle block (3) or bottom block (1), there is a gap between the top block (2) and the middle block (3), between two adjacent middle blocks (3), and between the middle block (3) and the bottom block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064604.4A CN112095383B (en) | 2020-09-30 | 2020-09-30 | Roadbed tamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064604.4A CN112095383B (en) | 2020-09-30 | 2020-09-30 | Roadbed tamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112095383A true CN112095383A (en) | 2020-12-18 |
| CN112095383B CN112095383B (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011064604.4A Active CN112095383B (en) | 2020-09-30 | 2020-09-30 | Roadbed tamping device |
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| Country | Link |
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| CN (1) | CN112095383B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854179A (en) * | 2020-12-31 | 2021-05-28 | 安徽东冶地质勘查技术有限公司 | Construction method of highway soft foundation |
| CN114960607A (en) * | 2022-07-12 | 2022-08-30 | 中化岩土集团股份有限公司 | Progressive dynamic compaction construction method and construction equipment thereof |
| 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 |
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| CN210658307U (en) * | 2019-06-17 | 2020-06-02 | 中国轻工业武汉设计工程有限责任公司 | Low-energy-level soil compacting device |
| CN210766727U (en) * | 2019-07-26 | 2020-06-16 | 湖北弘楚基业建设工程有限公司 | Impact rammer convenient to mount and dismount |
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| CN2354995Y (en) * | 1999-01-06 | 1999-12-22 | 王继忠 | Hammer for piling process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854179A (en) * | 2020-12-31 | 2021-05-28 | 安徽东冶地质勘查技术有限公司 | Construction method of highway soft foundation |
| CN114960607A (en) * | 2022-07-12 | 2022-08-30 | 中化岩土集团股份有限公司 | Progressive dynamic compaction construction method and construction equipment thereof |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112095383B (en) | 2023-10-31 |
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