CN116180705A - A rammer and foundation dynamic compaction construction technology using the rammer - Google Patents

Abstract

The utility model relates to a rammer and applied foundation dynamic compaction construction process of this rammer relates to the field of dynamic compaction equipment, and the rammer includes chassis and roof-plate, rotates on the chassis and is connected with the locking lever subassembly, the chassis has been placed near the one side of roof-plate and has been accepted the dish, the locking lever subassembly runs through accepting dish and roof, can dismantle on the locking lever subassembly and be connected with the mounting that supports tight roof and deviate from accepting the dish one side, accept the dish and deviate from the one side of chassis and pile up a plurality of hammer disks, every the hammer disk deviates from the mounting hole of rectangular shape has all been offered to the one side of chassis, fixedly connected with a plurality of locking plates on the locking lever subassembly, and a locking plate corresponds a mounting hole, and the locking plate is arranged in the mounting hole, and the arc wall has all been seted up to two rectangular lateral walls of mounting hole, rotates the locking lever subassembly, and the corresponding arc inslot is all inserted at the both ends of every locking plate. The application has the effect of improving the work efficiency of adjusting the weight of the rammer.

Description

A rammer and foundation dynamic compaction construction technology using the rammer

technical field

The present application relates to the field of dynamic compaction equipment, in particular to a rammer and a foundation dynamic compaction construction process using the rammer.

Background technique

Currently, there are three main types of rammers used in the market: casting rammers, filling rammers and chip combination rammers. The chip combination rammer stacks multiple hammer discs and connects all the hammer discs with a bolt, that is, the bolts pass directly from the top of the rammer to the bottom. In this way, the number of hammer discs can be adjusted to adjust the weight.

However, when the weight of the rammer needs to be adjusted, the staff must remove all the bolts before adding the hammer plate or removing the hammer plate, and the work efficiency is low.

Contents of the invention

In order to improve the working efficiency of adjusting the weight of the rammer, the present application provides a rammer and a foundation dynamic compaction construction process using the rammer.

In the first aspect, a rammer provided by the application adopts the following technical solution:

A tamper, comprising a chassis and a top plate, a locking rod assembly is rotatably connected to the chassis, a receiving plate is placed on the side of the chassis close to the top plate, the locking rod assembly runs through the receiving plate and the top plate, and the locking rod assembly The top plate is detachably connected with a fixing piece against the side of the top plate away from the receiving plate, and a plurality of hammer plates are stacked on the side of the receiving plate away from the chassis. A plurality of locking plates are fixedly connected to the locking rod assembly, one locking plate corresponds to one mounting hole, and the locking plate is placed in the mounting hole, the two long side walls of the mounting hole are provided with arc-shaped grooves, and the rotating As for the locking rod assembly, both ends of each locking plate are inserted into a corresponding arc-shaped groove.

By adopting the above technical solution, the locking rod assembly is rotated, and the rotation of the locking rod assembly drives the rotation of the locking plate, and each end of the locking plate assembly gradually moves toward or away from the corresponding arc-shaped groove. When the locking plate is plugged into the arc groove, each locking plate assembly locks the corresponding hammer plate. When the locking plate breaks away from the arc-shaped groove and is completely placed in the mounting hole, remove the fixing part at this time to separate the top plate from the locking lever assembly, and then move the hammer plate away from the locking lever assembly, and the hammer plate can be separated from the locking lever Assembly, at this time it is convenient to increase or decrease the number of hammer discs. The way of locking and dismounting the hammer plate is relatively simple, which improves the work efficiency of adjusting the weight of the rammer.

Preferably, a transmission assembly is installed on the receiving plate to drive the receiving plate to rotate in the opposite direction to the locking lever assembly.

By adopting the above technical scheme, when the rotation of the locking rod assembly drives the locking plate to gradually move towards the direction of the arc-shaped groove, the transmission assembly drives the receiving plate to rotate in the opposite direction to the locking rod assembly, so that the locking plate can be more Insert it into the arc groove smoothly.

Preferably, a receiving groove is provided on the side of the receiving plate close to the chassis, the transmission assembly includes a driven gear and a driving gear arranged in the receiving groove, the driving gear is installed on the locking rod assembly, and the driving gear Mesh with the driven gear, the driven gear is connected to the chassis in rotation, the side wall of the receiving groove is fixedly connected with a ring piece, and the inner side wall of the ring piece is fixedly connected with a number of protruding teeth, and the driven gear meshes with the protruding teeth .

By adopting the above technical solution, the rotation of the locking rod assembly drives the driving gear to rotate, the rotation of the driving gear drives the driven gear to rotate in reverse, and the rotation of the driven gear drives the receiving plate and the driven gear to rotate in the same direction through the convex teeth. In this way, when the locking rod assembly rotates, the transmission assembly can automatically drive the receiving plate to rotate, and the operation is simple and convenient.

Preferably, the locking rod assembly is screwed to the chassis.

By adopting the above-mentioned technical solution, when the locking lever assembly rotates to drive the locking plate gradually into the arc groove, the locking lever assembly drives each locking plate to gradually move towards the chassis, so that the locking plate moves into the arc groove In the process of slotting, gradually press against the bottom wall of the arc-shaped slot, so as to better lock each hammer plate.

Preferably, the locking rod assembly includes fixed rods at both ends and several connecting rods, each connecting rod is fixedly connected with a locking plate at both ends, and one end of each fixed rod is also fixedly connected with a locking plate, adjacent The two adjacent locking plates between the connecting rods are detachably connected, and the locking plates on each fixed rod are detachably connected with one of the locking plates on the adjacent connecting rods, and the adjacent two locking plates The connection between them forms one said locking plate.

By adopting the above technical solution, adjacent locking plates can be detachably connected, so that it is convenient to increase or decrease the number of locking plates according to the number of hammer plates, and control each hammer plate to be connected with a locking plate for locking the hammer plate That's it.

Preferably, several connection holes are provided on the top plate, the receiving plate and each hammer plate, and the adjacent connecting holes are aligned, and a number of arc-shaped holes are opened on the side of the chassis close to the receiving plate, each The arc holes are all aligned with the adjacent connecting holes.

By adopting the above-mentioned technical scheme, the adjacent connection holes are aligned, and the arc-shaped holes are aligned with the adjacent connection holes, so that the rammer has the function of ventilation in the vertical direction, so that when the rammer falls and hits the ground, the vibration of the rammer is reduced. Propelled by the air flow to bounce or tilt occurs.

Preferably, a connecting cylinder is slidably inserted into each of the connecting holes, a transmission cylinder is inserted into each arc-shaped hole, and each of the transmission cylinders is aligned with the adjacent connecting cylinder. The outer wall of the cylinder is fixedly connected with a slip ring, and the two side walls of the arc-shaped hole are provided with chute, and the lower surface wall of the chute is gradually inclined upward, and the two sides of each slip ring are respectively connected with the arc-shaped hole. A chute for sliding insertion.

By adopting the above technical solution, when the locking rod assembly is rotated, the locking rod assembly drives the receiving plate to rotate through the transmission assembly, and the rotating of the receiving plate pushes the transmission cylinder to move along the arc-shaped hole. During this process, the bottom wall of the chute pushes the sliding The ring and the drive cylinder rise gradually. The transmission cylinder rises so as to extend into the adjacent connection hole, thus pushing the connection cylinder in the adjacent connection hole to rise. The connecting cylinder located at the top of the rammer extends into the rammer, so that when the hammer plate continues to be superimposed on the rammer, the connecting cylinder can play a positioning effect.

In the second aspect, a foundation dynamic compaction construction process using the rammer provided by the present application adopts the following technical scheme:

A foundation dynamic compaction construction technique using the rammer, comprising the following steps:

S1. Clean up and level the site;

S2. Do a good job of controlling piles;

S3, the rammer is in place;

S4. Steadily lift the tamper to the position of the ramming point, and measure the height of the hammer before ramming;

S5. Lift the rammer to the preset height, the rammer is automatically unhooked and falls to the ramming impact point, the height of the hammer top is measured, and the sinking amount of the ramming pit is recorded;

S6, repeat step S5;

S7, the rammer is shifted to the next tamping point, and steps S3-S5 are repeated;

S8, measure the elevation of the site, and release the full ramming reference line;

S9. Ramping point by point according to the principle of stamping and overlapping, and completing all the number of ramming;

S10, tamping row by row to complete full tamping, the site is level, and the elevation of the site is measured.

By adopting the above technical scheme, the construction efficiency is high, the dynamic compaction effect is good, and the construction cost is relatively saved, and the construction period is short.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The locking and dismounting method of the hammer plate is relatively simple, which improves the working efficiency of adjusting the weight of the rammer;

2. In the process of disassembling and assembling the hammer plate, the connecting cylinder can play the role of positioning;

3. The construction efficiency of dynamic compaction is high, and the construction period is short.

Description of drawings

FIG. 1 is a schematic structural view of an embodiment of the present application showing that the locking rod assembly does not lock the hammer plate.

Fig. 2 is a schematic structural view of locking the hammer plate by the locking rod assembly according to the embodiment of the present application.

FIG. 3 is a schematic structural diagram of a transmission assembly embodied in an embodiment of the present application.

Fig. 4 is a structural schematic diagram showing the position of the transmission cylinder when the locking lever assembly locks the hammer plate according to the embodiment of the present application.

Fig. 5 is a structural schematic diagram showing the position of the transmission cylinder when the locking lever assembly does not lock the hammer plate according to the embodiment of the present application.

Description of reference signs: 1, chassis; 2, receiving plate; 21, receiving groove; 3, top plate; 4, locking rod assembly; 41, locking plate; 411, connecting rod; 412, locking plate; 42, Fixed rod; 43, linkage key; 5, hammer plate; 51, mounting hole; 52, arc groove; 6, transmission assembly; 61, driven gear; 62, driving gear; 621, insertion hole; 622, linkage Groove; 63, ring piece; 7, ventilation hole; 71, connecting hole; 72, arc-shaped hole; 721, chute; 8, connecting cylinder; 9, transmission cylinder; 91, slip ring.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-5.

The embodiment of the present application discloses a rammer. Referring to Fig. 1, the tamper includes a chassis 1, a receiving pan 2 and a top pan 3 arranged sequentially from bottom to top. The middle part of the chassis 1 is rotatably connected with a locking rod assembly 4 arranged vertically upward, and the locking rod assembly 4 vertically penetrates Accept plate 2 and top plate 3. The locking rod assembly 4 is detachably connected with a fixing piece, and the fixing piece includes a nut (not shown) that is threadedly connected to the upper end of the locking rod assembly 4 , and the nut is tightly against the upper surface of the top plate 3 .

Referring to Figures 1 and 2, the receiving plate 2 is placed on the chassis 1, and a plurality of hammer plates 5 are arranged between the top plate 3 and the receiving plate 2, and the upper surface of each hammer plate 5 is provided with a hammer plate 5 vertically penetrating through it. The locking rod assembly 4 is plugged into each mounting hole 51 so as to vertically connect multiple hammer plates 5 in series.

The mounting hole 51 is a strip-shaped hole, and the two strip side walls of the mounting hole 51 are respectively provided with arc-shaped grooves 52. The locking rod assembly 4 includes a plurality of locking plates 41, and the plurality of locking plates 41 are arranged along the locking rod. The components 4 are arranged along the length direction, one locking plate 41 corresponds to one mounting hole 51 , and each locking plate 41 is plugged into the corresponding mounting hole 51 . Rotate the locking lever assembly 4, the locking lever assembly 4 rotates to drive each locking plate 41 to rotate, so that the two ends of each locking plate 41 respectively rotate into the corresponding arc groove 52 on the side wall of each mounting hole 51 . That is, one end of each locking plate 41 is plugged into the corresponding arc-shaped groove 52 , and at this time, the locking lever assembly 4 locks each hammer plate 5 .

The locking rod assembly 4 includes fixed rods 42 at both ends, and also includes a plurality of connecting rods 411, the two ends of each connecting rod 411 are respectively fixedly connected with a locking plate 412, and one end of each fixed rod 42 is also fixedly connected with a locking plate 412. plate 412. One of the locking plates 412 on each connecting rod 411 is fixedly connected with one of the locking plates 412 on the adjacent connecting rod 411 through bolts and nuts, and the locking plate 412 on each fixed rod 42 is connected with the adjacent One of the locking plates 412 on the rod 411 is fixedly connected by bolts and nuts. Two adjacent locking plates 412 are fixedly connected to form a locking plate 41 .

When the number of hammer plates 5 needs to be adjusted, the nut on the locking rod assembly 4 is rotated so that the nut is gradually separated from the top plate 3 and the locking rod assembly 4 . Then move the top plate 3 upwards until the top plate 3 breaks away from the locking lever assembly 4, and then rotate the locking lever assembly 4, so that the locking lever assembly 4 drives each locking plate 41 to break away from the corresponding arc groove 52 and fully enter the installation. Inside the hole 51. At this moment, the uppermost hammer disc 5 can be pulled away from the rammer to reduce the number of hammer discs 5. After the number of hammer discs 5 is reduced, the uppermost connecting rod 411 can be disassembled according to the number of hammer discs 5 to be removed. Similarly, increase the number of hammer plates 5 from the uppermost end of the rammer, and then install connecting rods 411 according to increasing the number of hammer plates 5 , so that each hammer plate 5 has a corresponding locking plate 41 .

The lower end of the locking rod assembly 4 is threadedly connected with the chassis 1. When the rotating locking rod assembly 4 drives each locking plate 41 to be gradually inserted into the corresponding arc-shaped groove 52, the locking rod assembly 4 gradually moves downward. . At this time, each locking plate 41 is gradually pressed against the bottom wall of the arc-shaped slot 52 during the process of being inserted into the arc-shaped slot 52 .

Referring to Figures 2 and 3, in order to facilitate the smooth rotation of the locking plate 41 and insert it into the corresponding arc-shaped groove 52, the receiving plate 2 is connected with a transmission assembly 6, when the locking lever assembly 4 rotates, the transmission assembly 6 Drive the receiving plate 2 and the locking rod assembly 4 to rotate in the opposite direction, so that the locking plate 41 is inserted into the corresponding arc groove 52 and pressed against the bottom wall of the arc groove 52, reducing the locking plate 41 extending into the arc groove 52 During the inner process, the bottom wall of the arc-shaped groove 52 is pushed by friction force, so that the locking plate 41 is not easy to enter into the arc-shaped groove 52 .

Referring to Fig. 1 and Fig. 3, the bottom surface of the receiving plate 2 is provided with a receiving groove 21, and the side wall of the receiving groove 21 is fixedly connected with a ring member 63, and the transmission assembly 6 includes three driven gears 61 and a The driving gear 62 is fixedly connected with two linkage keys 43 on the side wall of the locking rod assembly 4 , the upper surface of the driving gear 62 is provided with an insertion hole 621 , and the side wall of the insertion hole 621 is provided with a linkage groove 622 . The locking rod assembly 4 is inserted into the insertion hole 621 , and each linkage key 43 is inserted into a corresponding linkage groove 622 .

The driving gear 62 is located between the three driven gears 61 , and each driven gear 61 is rotatably connected to the upper surface of the chassis 1 , and the driving gear 62 meshes with each driven gear 61 . A plurality of protruding teeth are fixedly connected to the inner wall of the ring member 63 , and the plurality of protruding teeth are uniformly distributed along the inner wall of the ring member 63 , and each driven gear 61 meshes with the protruding teeth on the receiving groove 21 .

Referring to Fig. 2 and Fig. 3, rotate the locking lever assembly 4, the locking lever assembly 4 rotates and then drives the driving gear 62 to rotate through the linkage key 43, and the driving gear 62 rotates to drive each driven gear 61 to rotate, and the driven gear 61 and the driving gear 61 rotate. The rotation of gear 62 is reversed. The driven gear 61 rotates and then drives the receiving disc 2 to rotate through the convex teeth, and the receiving disc 2 and the driven gear 61 turn to the same direction. The rotation of the receiving plate 2 can drive each hammer plate 5 to rotate together with the receiving plate 2 through friction, so that the locking plate 41 can move in the opposite direction with the arc groove 52, so that each locking plate 41 can move smoothly. Insert into the corresponding arc groove 52.

Referring to Figure 1 and Figure 3, the top surface of the rammer is provided with a number of ventilation holes 7 vertically penetrating the rammer, and each ventilation hole 7 includes openings on the upper surface of the top plate 3, the receiving plate 2 and each hammer plate 5. The connecting hole 71 also includes an arc-shaped hole 72 opened on the upper surface of the chassis 1 .

Each connecting hole 71 is vertically slidably connected with a connecting cylinder 8 , and vertically adjacent connecting cylinders 8 are aligned with each other. A transmission cylinder 9 is inserted into the arc-shaped hole 72 , and each transmission cylinder 9 is aligned with the vertically adjacent connecting cylinder 8 . A slip ring 91 is fixedly connected to the outer side wall of the transmission cylinder 9 , and two side walls of each arc-shaped hole 72 are provided with chute 721 , and two ends of the slip ring 91 are slidably inserted into a chute 721 respectively. The lower surface wall of each chute 721 is gradually inclined upward.

Referring to FIG. 2 and FIG. 4 , when each locking plate 41 is inserted into the corresponding arc-shaped groove 52 , the slip ring 91 is located at the lowest point of the slope of the slide groove 721 . When the locking rod assembly 4 is rotated, the locking rod assembly 4 drives the receiving plate 2 and the locking rod assembly 4 to reversely rotate through the transmission assembly 6, and the slope of the chute 721 pushes the slip ring 91 and the transmission cylinder 9 to rise. In this way, the upper end of the transmission cylinder 9 is inserted into the adjacent connection hole 71, and the transmission cylinder 9 pushes each connection cylinder 8 to rise.

Referring to FIG. 1 and FIG. 5 , that is, when the locking plate 41 is disengaged from the corresponding arc-shaped slot 52 , the upper end of each connecting cylinder 8 is inserted into the upper adjacent connecting hole 71 . The upper end of the connecting cylinder 8 located at the top of the rammer protrudes from the rammer. When the hammer plate 5 needs to be installed at this time, the protruding connecting cylinder 8 is convenient for positioning, which is beneficial to align the connecting holes in the hammer plate 5 to be installed. 71 is aligned with the adjacent connection hole 71. And during the process of rotating the locking lever assembly 4 so that the hammer plate 5 is locked, the connecting cylinder 8 on each hammer plate 5 is inserted into the connecting hole 71 in the upper adjacent hammer plate 5, which is beneficial to the smooth operation of the receiving plate 2. Drive each hammer disc 5 to rotate together.

The embodiment of the present application also discloses a foundation dynamic compaction construction process using the rammer, which includes the following steps:

S1. Clean up and level the site: According to the best parameters and test results of the test ramming, adopt suitable spot ramming and full ramming construction techniques.

S2. Prepare the control pile, set the control reference point at a fixed and difficult-to-change position, mark the outer contour of the rammer at each ramming point with white ash, and measure the elevation of the site.

S3, the rammer is in place. Lift the hook to the height of the falling weight, and fix the hook traction wire rope. Lock the drop distance.

S4. Steadily lift the tamper to the position of the ramming point, and measure the height of the tamper before ramming.

S5. Lift the rammer to the preset height, and the rammer will automatically unhook and drop to the ramming impact point. If the rammer is found to be skewed due to the inclination of the pit bottom, the pit bottom should be leveled in time. Measure the height of the hammer top and record the sinking amount of the ramming pit.

S6, repeat step S5, complete the tamping of one tamping point according to the test tamping parameters and control standards (the tamping sinkage of the last two tampings is ≤ 100mm).

S7. The rammer is moved to the next ramming point, and steps S3-S5 are repeated to complete the ramming of all ramming points for the first time. Use a bulldozer to level the ramming pit, measure the elevation of the site with a grid, and calculate the ramming settlement of half the site .

S8. Measure the elevation of the site and release the full ramming reference line.

S9. Ramping point by point according to the principle of tamping and overlapping, and completing all the number of tamping.

S10, tamping row by row to complete full tamping, the site is level, and the elevation of the site is measured.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (8)

1. A tamper, comprising a chassis (1) and a top plate (3), the chassis (1) is rotatably connected with a locking lever assembly (4), characterized in that the chassis (1) is close to the top plate (3) ) is placed on one side of the receiving plate (2), the locking rod assembly (4) runs through the receiving plate (2) and the top plate, and the locking rod assembly (4) is detachably connected to the receiving plate (2) against the top plate As for the fixing part on one side, a plurality of hammer plates (5) are stacked on the side of the receiving plate (2) facing away from the chassis (1), and each of the hammer plates (5) is provided with a long bar on the side facing away from the chassis (1). There are multiple locking plates (41) fixedly connected to the locking lever assembly (4), one locking plate (41) corresponds to one mounting hole (51), and the locking plate (41) is set In the installation hole (51), the two long side walls of the installation hole (51) are provided with arc-shaped grooves (52), and the locking lever assembly (4) is rotated, and the two ends of each locking plate (41) All insert in the corresponding arc groove (52). 2. A rammer according to claim 1, characterized in that, the receiving plate (2) is equipped with a transmission assembly ( 6). 3. A rammer according to claim 2, characterized in that, a receiving groove (21) is opened on the side of the receiving plate (2) close to the chassis (1), and the transmission assembly (6) includes a Accept the driven gear (61) and the driving gear (62) in the slot (21), the driving gear (62) is installed on the locking lever assembly (4), the driving gear (62) and the driven gear ( 61) meshing, the driven gear (61) is rotationally connected with the chassis (1), the side wall of the receiving groove (21) is fixedly connected with a ring piece (63), and the inner side wall of the ring piece (63) is fixedly connected with a Several convex teeth, the driven gear (61) meshes with the convex teeth. 4. A rammer according to any one of claims 1-3, characterized in that, the locking rod assembly (4) is screwed to the chassis (1). 5. A rammer according to claim 4, characterized in that, the locking rod assembly (4) includes fixed rods (42) at both ends and several connecting rods (411), each connecting rod (411) Both ends of each fixed rod (412) are fixedly connected with a locking plate (412), and one end of each fixed rod (42) is also fixedly connected with a locking plate (412), and two adjacent locking rods (411) between adjacent connecting rods (411) The plates (412) are detachably connected, and the locking plates (412) on each fixed rod (42) are all detachably connected to one of the locking plates (412) on the adjacent connecting rods (411), and the adjacent two Two locking plates (412) are connected to form one locking plate (41). 6. A rammer according to claim 3, characterized in that, several connecting holes (71) are opened on the top plate (3), the receiving plate (2) and each hammer plate (5), The adjacent connecting holes (71) are aligned, and there are several arc-shaped holes (72) on the side of the chassis (1) close to the receiving plate (2), and each arc-shaped hole (72) is connected with the adjacent Align the holes (71). 7. A rammer according to claim 6, characterized in that a connecting cylinder (8) is slidably inserted into each connecting hole (71), and a connecting cylinder (8) is inserted into each arc-shaped hole (72). A transmission cylinder (9) is connected, and each transmission cylinder (9) is aligned with the adjacent connecting cylinder (8). The outer wall of the transmission cylinder (9) is fixedly connected with a slip ring (91), so The two side walls of the arc-shaped hole (72) are provided with chute (721), the lower surface wall of the chute (721) is gradually inclined upward, and the two sides of each slip ring (91) are respectively connected with the arc-shaped hole ( 72) a chute (721) sliding plug in the interior. 8. A foundation dynamic compaction construction technique for citing the rammer described in any one of claims 1-7, characterized in that, comprising the steps of: S1. Clean up and level the site; S2. Do a good job of controlling piles; S3, the rammer is in place; S4. Steadily lift the tamper to the position of the ramming point, and measure the height of the hammer before ramming; S5. Lift the rammer to the preset height, the rammer is automatically unhooked and falls to the ramming impact point, the height of the hammer top is measured, and the sinking amount of the ramming pit is recorded; S6, repeat step S5; S7, the rammer is shifted to the next tamping point, and steps S3-S5 are repeated; S8, measure the elevation of the site, and release the full ramming reference line; S9. Ramping point by point according to the principle of stamping and overlapping, and completing all the number of ramming; S10, tamping row by row to complete full tamping, the site is level, and the elevation of the site is measured.

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