CN211566486U - Cylinder drill bit for drilling hardened ground concrete plate - Google Patents

Abstract

The utility model discloses a cylinder drill bit is used in drilling of sclerosis ground concrete slabs, including the cylinder barrel, its lower extreme ring edge distributes has the ring sawtooth, and its upper end is provided with the connector, and the circumference side evenly distributed of cylinder barrel has a plurality of axle strip holes, and it has the cross bore to open the center below in every axle strip hole on the cylinder barrel lateral wall, and the downthehole cover of every axle strip is equipped with eccentric pendulum rod, and the center below of eccentric pendulum rod is along transversely being provided with the shaft hole, and every cross the downthehole horizontal axle that is fixed with, crosses the axle and runs through corresponding eccentric pendulum rod shaft hole simultaneously. The utility model discloses an at high-speed rotatory in-process of cylinder barrel utilizes the trepan teeth to creep into in concrete slabs and the stratum, is located the outside protrusion of each section of thick bamboo hole eccentric pendulum rod at centrifugal action, utilizes each eccentric pendulum rod can expand the outer wall diameter of drilling, reaches the reducing purpose. The structure is simple, the practicability is high, and the functions of drilling the hard ground and smoothly taking out the corresponding concrete slab and the earth pillar can be realized.

Description

Cylinder drill bit for drilling hardened ground concrete plate

Technical Field

The utility model belongs to the technical field of the instrument is used in city square afforestation transformation, concretely relates to cylinder drill bit is used in drilling of sclerosis ground concrete slabs.

Background

Along with the continuous improvement of living standard of people, people pay more and more attention to living environment, and environmental protection, greening and garden improvement are very important. The cement pouring is mainly used for forming hardened ground or floor tile pavement in the initial construction stage of each large, medium and small square in a city, the greening factors are not generally considered, and related greening is often located in the edge area of the square and is convenient for later-stage transformation. After the square is hardened on the ground, the area where the square is located and the center of the square cannot be subjected to greening planting, and the common greening scheme is to plant suitable plant varieties in large square or circular wood bonsai plants or in large combined bonsai areas so as to achieve the purpose of greening the square. The greening mode has the advantages of convenience in moving and combination, but the greening mode is essentially potted landscape planting, the number of suitable plant varieties is limited, the greening mode is particularly not suitable for large-scale tree planting, the stability is not strong, the greening mode is easy to blow down by strong wind, the roots of the plants are not directly deep into the stratum, and frequent watering, fertilizing and maintenance are needed. For example, the annular arranging device for the municipal square greening flowerpot with the publication number of CN107371877A is of an annular structure formed by sequentially connecting and splicing four arc-shaped arranging plates with central angles of 90 degrees end to end; the placing plate comprises a bottom plate, side plates on two sides and baffle plates at two ends, an accommodating space is enclosed among the bottom plate, the side plates and the baffle plates, a plurality of arc-shaped partition plates capable of moving back and forth are arranged in the accommodating space, and the accommodating space is divided into a plurality of storage spaces by the partition plates; the top surfaces of the side plates on two sides of the movable plate are respectively hinged with an arc-shaped limiting plate, the distance between the two limiting plates when the two sides of each storage space are overturned to be in a horizontal state is smaller than the outer diameter of the flowerpot, telescopic connecting plates are respectively fixed at two ends of the limiting plates hinged with the movable plate, and the telescopic connecting plates overturned to be in the horizontal state are fixed on the baffle plate through fixing bolts. This scheme is with the mode of square putting potted landscape plant for put flowerpot or transport away flowerpot efficiency on the square is improved, is applicable to different diameter sizes flowerpot and puts, helps reducing the flowerpot and is carried the phenomenon privately away, and this kind of improvement to square greening technique does not in essence reform transform square stereoplasm ground. The publication No. CN 209749241U is a flowerpot fixed-point placing device for square greening, which aims at the problem that the traditional flowerpot placing is generally centralized and accumulated at a certain part of a square, and the number of people in the square is large, so that potential safety hazards exist, and the placing mode is long in time consumption and inconvenient to manage and improve. There is currently no disclosure of relevant technology relating to planting by means of modifying square hard ground.

On the other hand, the square foundation usually needs to be mainly a hard solidified foundation in the construction process, and the foundation is high in sand and stone content and firm and is not suitable for direct ground breaking planting, so that difficulties exist in greening after the construction of each urban square at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses there is the difficult problem of afforesting the construction to the square after being built, provide a drum drill bit for the drilling of sclerosis ground concrete slabs for afforest the transformation work usage to the square, reach and excavate and transplant the function to square stereoplasm ground.

Realize the technical scheme that above-mentioned utility model purpose adopted: a cylinder type drill bit for drilling a hardened ground concrete slab comprises a cylindrical cylinder and an eccentric swing rod. Wherein, the lower extreme ring edge of cylinder barrel distributes there is the ring sawtooth, the upper end of cylinder barrel is provided with the connector, the circumference side evenly distributed of cylinder barrel has a plurality of axle strip holes, the center below in every axle strip hole is opened on the cylinder barrel lateral wall has the cross bore, the downthehole cover of every axle strip is equipped with eccentric pendulum rod, the center below of eccentric pendulum rod is along transversely being provided with the shaft hole, every cross downthehole be fixed with the cross axle, cross the axle and run through corresponding eccentric pendulum rod shaft hole simultaneously.

A plurality of auxiliary jacks are uniformly distributed on the circumferential side surface of the cylindrical barrel, and each auxiliary jack is provided with a corresponding inserted rod.

The outer side of the upper end of each eccentric swing rod is provided with an outward bulge, and the thicknesses of the eccentric swing rods and the bulges are larger than that of the cylindrical barrel.

And the positions of the shaft strip holes, which are close to the inner side wall of the cylindrical barrel body, are provided with baffle tables for supporting the eccentric oscillating bars to form an included angle with the axial direction, meanwhile, the transverse shafts are sleeved with torsion springs, and the torsion springs enable the upper ends of the corresponding eccentric oscillating bars to be inwards popped out and supported on the corresponding baffle tables.

The utility model has the advantages that: the utility model discloses an at high-speed rotatory in-process of cylinder barrel utilizes the trepan teeth to creep into in concrete slabs and the stratum, is located the outside protrusion of each section of thick bamboo hole eccentric pendulum rod at centrifugal action, utilizes each eccentric pendulum rod can expand the outer wall diameter of drilling, reaches the reducing purpose. Simultaneously, after the cylinder barrel stops rotating, each eccentric swing rod inclines towards the inner side of the cylinder barrel, so that each eccentric swing rod can be supported on the side wall of the concrete slab or the soil column after inclining, and the concrete slab and the soil column are prevented from being lifted to fall off. The utility model discloses can also insert the inserted bar in corresponding supplementary jack after cylinder barrel is promoted with the help of the supplementary jack of lateral wall for prevent that concrete slabs and earth pillar from droing.

The utility model discloses can change the cylinder drill bit that uses suitable diameter, with whole sclerosis ground according to the design requirement drilling, have certain drilling depth until the darker soil layer of underground. After the soil layer and the concrete slabs are taken out, the soil layer and the concrete slabs can be transferred and conveyed to proper positions to be unloaded. The structure is simple, the practicability is high, and the functions of drilling the hard ground and smoothly taking out the corresponding concrete slab and the earth pillar can be realized.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention.

Fig. 2 is a schematic sectional structure of the present invention.

Fig. 3 is a schematic view of the cross-sectional structure a-a in fig. 1.

Fig. 4 is one of the schematic structural diagrams of the section B-B in fig. 2.

FIG. 5 is a second schematic view of the cross-sectional structure B-B in FIG. 2.

Reference numbers: the device comprises a cylindrical barrel 1, a shaft strip hole 2, a transverse hole 3, a transverse shaft 4, an eccentric swing rod 5, a trepan gear 6, a connector 7, an auxiliary insertion hole 8, a protruding part 9, a torsion spring 10 and a baffle table 11.

Detailed Description

Carry out later stage afforestation transformation design to the square, the selection and the planting of the corresponding trees kind that accords with the design requirement adopt square sclerosis ground to carry out the transplantation device that digs the hole to harden ground hole and borrow to and can utilize this instrument to transport some short stem plants and transplant. The implantation tool used therein requires the selective fitting of a barrel drill of suitable diameter, as shown in fig. 1, in order to drill the entire hardened ground as designed, with a certain drilling depth up to the deeper soil layers below ground. After the soil layer and the concrete slabs are taken out, the soil layer and the concrete slabs can be transferred and conveyed to proper positions, and the soil layer and the concrete slabs are unloaded by operating the corresponding hand-driven operating mechanisms.

Example 1: as shown in figures 1-3, the cylindrical drill bit is characterized in that ring sawteeth 6 are distributed on the lower annular edge of a cylindrical barrel 1 for drilling the ground of a concrete slab. The upper end of the cylindrical barrel 1 is provided with a connector 7, and the connector 7 is arranged behind the corresponding fixed seat and is in transmission connection with an output shaft of the rotary driving mechanism. As can be seen in the figure, a plurality of shaft holes 2 are uniformly distributed on the circumferential side surface of a cylindrical barrel 1, a transverse through hole 3 is formed in the side wall of the cylindrical barrel below the center of each shaft hole 2, and an eccentric swing rod 5 is sleeved in each shaft hole 2. The lower part of the center of the eccentric swing rod 5 is provided with a shaft hole along the transverse direction, a transverse shaft 4 is fixed in each transverse through hole 3, and the transverse shaft 4 simultaneously penetrates through the shaft hole of the corresponding eccentric swing rod 5.

Meanwhile, in the embodiment, a plurality of auxiliary insertion holes 8 are uniformly distributed on the circumferential side surface of the cylindrical barrel 1, and each auxiliary insertion hole 8 is provided with a corresponding insertion rod.

In order to expand the diameter of the cylinder 1 during drilling and carry concrete slabs and earth pillars when the cylinder is lifted, an outward protrusion 9 is further arranged on the outer side of the upper end of each eccentric oscillating bar 5, as shown in fig. 4, the thickness of the eccentric oscillating bar and the protrusion is larger than that of the cylinder. Thus, the bulge 9 is positioned outside the cylinder 1 during drilling, and the eccentric effect generated during high-speed rotation can achieve the effect of expanding the diameter. After the drilling is finished and the machine is stopped, the cylindrical barrel 1 does not rotate any more, the protruding part 9 at the upper end of the eccentric swing rod 5 is inevitably blocked by the side wall of the drilling during lifting, the eccentric swing rod 5 inclines towards the inner side of the cylindrical barrel 1, the inclined eccentric swing rod 5 is clamped at the inner side of the soil column and cannot be separated from the soil column any more under the action of lifting force, and therefore the soil column is supported in the cylindrical barrel 1 by the inclined eccentric swing rod 5 and cannot fall down.

When drilling holes or taking seedlings from the square hard ground, the rotary driving device is started to work, the barrel type drill bit of the rotary driving device is driven to drill into the concrete slab and extend out of the ground layer by pressing, and the machine is stopped after reaching a proper position. When the seedling taking process is involved, the specification of the cylindrical drill bit can be determined according to the root characteristics of the tree seeds, the size of soil balls and the type of soil after the fixed-point paying-off of the planting points of all the trees is determined. Generally, the diameter of a tree pit of a seedling with a soil column is 30-40cm larger than that of a soil ball, the pit depth is 3/4 of the pit diameter, the upper opening and the lower opening of the tree pit are consistent, the specification of the pit needs to be increased if the soil quality is poor, and harmful substances are cleaned and replaced by good soil or nutrient soil. After drilling holes in the square hard ground, the rotary driving device stops working, the barrel type drill bit is located below the ground layer, the device is moved to a proper position through lifting, corresponding concrete slabs and soil columns are detached, or the device is moved to a proper position, and saplings and root soil columns are detached.

Example 2: on the basis of the embodiment 1, the installation relationship of the eccentric oscillating bars 5 is changed, as shown in fig. 5, specifically, a blocking platform 11 is arranged in each shaft strip hole 2 and close to the inner side wall of the cylindrical barrel 1, and is used for supporting the eccentric oscillating bars 5 to form an included angle with the axial direction, meanwhile, a torsion spring 10 is sleeved on each transverse shaft 4, and each torsion spring enables the upper end of the corresponding eccentric oscillating bar 5 to be popped inwards and supported on the corresponding blocking platform. In the process of high-speed rotation of the cylindrical barrel, the annular saw teeth are utilized to drill into a concrete slab and a stratum, the eccentric swing rods positioned in the shaft strip holes are outwards protruded under the centrifugal action, and the diameters of the outer walls of drilled holes can be expanded by utilizing the eccentric swing rods, so that the purpose of reducing the diameter is achieved. Simultaneously, after the cylinder barrel stops rotating, each eccentric swing rod inclines towards the inner side of the cylinder barrel, so that each eccentric swing rod can be supported on the side wall of the concrete slab or the soil column after inclining, and the concrete slab and the soil column are prevented from being lifted to fall off. The utility model discloses can also insert the inserted bar in corresponding supplementary jack after cylinder barrel is promoted with the help of the supplementary jack of lateral wall for prevent that concrete slabs and earth pillar from droing.

Claims (4)

1. The utility model provides a drilling of sclerosis ground concrete slabs is with cylinder drill bit, including cylinder barrel (1), its lower extreme ring edge distributes and has ring sawtooth (6), its upper end is provided with connector (7), a serial communication port, the circumference side evenly distributed of cylinder barrel (1) has a plurality of axle hole (2), the center below of every axle hole (2) is opened on the cylinder barrel lateral wall has cross bore (3), eccentric pendulum rod (5) are equipped with to every axle hole (2) endotheca, the center below of eccentric pendulum rod (5) is along transversely being provided with the shaft hole, every cross bore (3) internal fixation has cross axle (4), cross axle (4) run through corresponding eccentric pendulum rod (5) shaft hole simultaneously.

2. The cylinder type drill for drilling the hardened ground concrete slabs according to claim 1, wherein a plurality of auxiliary insertion holes (8) are uniformly distributed on the circumferential side surface of the cylinder body (1), and each auxiliary insertion hole (8) is provided with a corresponding insertion rod.

3. The cylinder type drill for drilling hardened ground concrete slabs according to claim 1, wherein the outer side of the upper end of each eccentric oscillating bar (5) is provided with an outward protrusion, and the thickness of the eccentric oscillating bar and the protrusion thereof is greater than that of the cylinder.

4. The cylinder type drill for drilling the hardened ground concrete slabs according to claim 1, wherein a stop is provided in each axial hole (2) near the inner side wall of the cylinder (1) for supporting the eccentric oscillating bar (5) to form an included angle with the axial direction, and a torsion spring is sleeved on each traverse shaft (4) for allowing the upper end of the corresponding eccentric oscillating bar (5) to be sprung inward and supported on the corresponding stop.

Images