CN211573396U - Coring bit for road maintenance rotary-cut equipment - Google Patents

Abstract

The utility model discloses a road maintenance rotary-cut equipment is with coring bit, a plurality of axial wall holes along the axial are evenly distributed in coring bit circumference lateral wall, a lateral wall through hole is opened at the lower part of each axial wall hole, the lower edge of the lateral wall through hole has a through hole inner inclined plane, an inner fixture block is matched and sleeved in the lateral wall through hole, the lower part of the inner fixture block has a fixture block lower inclined plane, the fixture block lower inclined plane is matched with the through hole inner inclined plane; the axial wall hole is internally matched and sleeved with an axial driving rod, the upper end of the axial driving rod is provided with a rotary adjusting mechanism, and the axial driving rod is lifted or lowered through the rotary adjusting mechanism. The utility model discloses get core bit and can lift up and transport the deep ground concrete piece after the rotary-cut when the lifting to need not to smash the trouble of clearing up again to the through-hole pneumatic pick after the rotary-cut. The use is time-saving and labor-saving, the operation is simple, and the use is convenient. And the moving is flexible, and the requirement of quick construction can be met.

Description

Coring bit for road maintenance rotary-cut equipment

Technical Field

The utility model belongs to the technical field of municipal administration ground well maintenance equipment accessories, concretely relates to install at coring bit of drilling mechanism output.

Background

In the road maintenance process, the saw blade form is mostly adopted for the repairing and cutting of the round well lid, and the saw blade cutting can only follow the limitation of straight line cutting and can not turn during cutting, so that only rectangular repairing pits can be formed during cutting, and most repairing modes are round hole square repairing modes. And when forming rectangle pothole, pothole edge is not the square type but the groined type, and the waste material clearance around to after the cutting has formed unnecessary cutting joints, can fill the restoration to the pothole in the repair process, but unnecessary cutting joints only simply fills pitch, leads to the peripheral structural strength of pothole to reduce, and the vehicle rolls the friction repeatedly, and because of factors influences such as expend with heat and contract with cold, can form new crack at the pothole periphery in different seasons, and then caused new road surface damage.

When road surface inspection shaft lid circumference cutting, traditional inspection shaft lid circumference cutting machine adopts the mode of saw bit cutting equally, and the publication number is CN 110565495A provides a circular well lid hole cutting machine of road, and circular well lid hole cutting machine of road includes frame, mount pad and cutting device, wherein, the mount pad along from top to bottom to movable mounting in the frame, cutting device include along from top to bottom rotate to the axis install in the cutterhead subassembly of mount pad below, cutterhead subassembly include along the level to the blade disc that extends, the lower terminal surface of blade disc is equipped with a plurality of edges the blade that blade disc circumference interval set up, it is a plurality of the blade is followed but the radial position synchronization adjustment of blade disc, so that circular well lid hole cutting machine of road adapts to the well lid hole of the different diameter sizes of cutting shaping. When the technology is used for construction, each blade is in an inclined state in the downward drilling process, the cutting end face cannot be neatly cut, the stress of the cutter head is uneven, and the construction quality and the service life of equipment are affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the circular well lid of present urban road surface inspection shaft various problems that exist at the cutting process, provide a road maintenance rotary-cut equipment with getting core drill bit, the cutting end face is neat and gets core drill bit atress even, is applicable to the quick maintenance construction of road bed.

The utility model provides a scheme that its technical problem adopted is: a plurality of axial wall holes along the axial direction are uniformly distributed in the circumferential side wall of the core drill, a side wall through hole is formed in the lower part of each axial wall hole, a through hole inner inclined plane is formed at the lower edge of each side wall through hole, an inner clamping block is sleeved in each side wall through hole in a matching mode, a clamping block lower inclined plane is formed at the lower part of each inner clamping block, and the clamping block lower inclined plane is matched with the through hole inner inclined plane; the axial wall hole is internally matched and sleeved with an axial driving rod, the upper end of the axial driving rod is provided with a rotary adjusting mechanism, and the axial driving rod is lifted or lowered through the rotary adjusting mechanism.

When the rotary adjusting mechanism is used, a thread section is arranged at the upper end of the axial driving rod and is provided with an adjusting knob in a matching way, a support fixed on the upper part of the core bit is arranged on the outer side of the adjusting knob, an adjusting gap is formed in the support, and the adjusting knob is positioned in the adjusting knob.

The upper side of the inner clamping block is provided with a conical groove, the bottom of the conical groove is provided with a transverse groove, the lower end of the axial driving rod is vertically fixed with a transverse shaft, and the transverse shaft is sleeved in the transverse groove in a matching mode.

The motor is fixed in the frame, and the pivot of motor is installed downwards coring bit.

The utility model has the advantages that: the utility model discloses get core bit and can lift up and transport the deep ground concrete piece after the rotary-cut when the lifting to need not to smash the trouble of clearing up again to the through-hole pneumatic pick after the rotary-cut. The use is time-saving and labor-saving, the operation is simple, and the use is convenient. And the moving is flexible, and the requirement of quick construction can be met.

The utility model discloses can enough normal rotary-cut, still can be through corresponding regulation after the rotary-cut finishes, realize the function that firmly snatchs the cutting body, also can hoist and mount well lid base to can reduce and use other hoists, reduce repair tools configuration, reduce cost.

Drawings

Fig. 1 is an enlarged schematic view of the core bit of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is an enlarged schematic view of part B of fig. 1.

Fig. 4 is a schematic view of an assembly structure of the inner clamping block and the axial driving rod.

Fig. 5 is a schematic side view of the inner clip.

Reference numbers in the figures: the drill bit comprises a drill bit side wall 1, a side wall through hole 2, a through hole inner inclined surface 21, an inner clamping block 3, a conical groove 31, a transverse groove 32, a clamping block lower inclined surface, an axial wall hole 4, an axial driving rod 5, a threaded section 51, a transverse shaft 6, a support 7, an adjusting knob 8 and an adjusting gap 9.

Detailed Description

Example 1: as shown in figure 1, the coring bit, its circumference lateral wall (bit lateral wall 1) equipartition has a plurality of axial wall holes 4 along the axial, opens at each axial wall hole 4's lower part has lateral wall through-hole 2, and the lower edge of lateral wall through-hole 2 has through-hole inner inclined plane 21, matches the cover in lateral wall through-hole 2 and is equipped with interior fixture block 3, and the lower part of interior fixture block 3 has fixture block lower inclined plane, fixture block lower inclined plane with through-hole inner inclined plane 21 matches. As shown in figures 4 and 5 of the drawings,

an axial driving rod 5 is sleeved in the axial wall hole 4 in a matching mode, a threaded section 51 is arranged at the upper end of the axial driving rod 5, an adjusting knob 8 is installed in a matching mode, a support 7 fixed to the upper portion of the core drill bit is arranged on the outer side of the adjusting knob 8, an adjusting gap 9 exists in the support 7, and the adjusting knob 8 is located in the adjusting knob 8; a conical groove 31 is formed in the upper side of the inner clamping block 3, a transverse groove 32 is formed in the bottom of the conical groove 31, a transverse shaft 6 is vertically fixed to the lower end of the axial driving rod 5, and the transverse shaft 6 is sleeved in the transverse groove 32 in a matching mode.

When the core bit works to cut the core bit downwards, each adjusting knob 8 is rotated to pull the corresponding axial driving rod 5, each inner clamping block 3 is lifted upwards, each inner clamping block 3 is matched and arranged in the corresponding side wall through hole 2, and the normal rotary cutting operation of the core bit is not influenced at the moment. After the coring bit drills through the foundation and further drills into the foundation to enable the side wall through hole 2 to be located below the foundation, the adjusting knobs 8 are rotated again at the moment, the corresponding axial driving rods 5 are pulled, the inner clamping blocks 3 are pressed downwards, the inner clamping blocks 3 can respectively extend out of the side wall through holes 2, namely the lower ends of the inner clamping blocks 3 are located on the inner side of the bit side wall 1 of the coring bit as shown in figures 2 and 3, and when the coring bit is lifted through the hand wheel at the moment, the foundation concrete blocks can be lifted together and cannot fall off in the transferring process.

When the embodiment is applied, the motor of the drilling mechanism is fixed in the base, and the rotary shaft of the motor is downwards provided with the coring bit. The machine base is fixed on the rotary cutting equipment for road maintenance, the rotary cutting equipment for road maintenance is pushed to the position right above the well cover, the drilling mechanism is in a free falling state, the machine base is started to work, and the drilling mechanism drills the periphery of the round well cover under the action of self weight, so that the rotary cutting machine is suitable for rotary cutting operation of deep foundation ground wells and can drill into great depth. The concrete slabs after rotary cutting (after drilling) can be lifted and transported to a designated position by hand pulling.

The utility model discloses rotary-cut device is at the cutting process when beginning, at first removes road maintenance rotary-cut equipment to circular well lid top, ensures that the coring bit of creeping into the mechanism can keep the normal position rotatory. Stopping the machine after cutting, rotating the adjusting knob 8 to expand the inner clamping blocks 3 below the coring bit, clamping and lifting the cutting body by using the inner clamping blocks 3 as clamping jaws, transporting the cutting body, and reporting the cleaning of waste materials in the cutting pit groove.

Claims (4)

1. The coring bit for the road maintenance rotary-cut equipment is characterized in that a plurality of axial wall holes (4) along the axial direction are uniformly distributed in the circumferential side wall of the coring bit, a side wall through hole (2) is formed in the lower part of each axial wall hole (4), a through hole inner inclined plane (21) is formed in the lower edge of each side wall through hole (2), an inner clamping block (3) is sleeved in each side wall through hole (2) in a matching mode, a clamping block lower inclined plane is formed in the lower part of each inner clamping block (3), and the clamping block lower inclined plane is matched with the through hole inner inclined plane (21); the axial wall hole (4) is internally matched and sleeved with an axial driving rod (5), the upper end of the axial driving rod (5) is provided with a rotary adjusting mechanism, and the axial driving rod (5) is lifted or lowered through the rotary adjusting mechanism.

2. The core drill bit for the rotary cutting equipment for road maintenance according to claim 1, wherein the rotary adjusting mechanism is provided with a threaded section (51) at the upper end of the axial driving rod (5) and is matched with an adjusting knob (8), a bracket (7) fixed at the upper part of the core drill bit is arranged outside the adjusting knob (8), an adjusting gap (9) is formed in the bracket (7), and the adjusting knob (8) is positioned in the adjusting knob (8).

3. The core bit for the rotary cutting equipment for road maintenance according to claim 1, characterized in that a conical groove (31) is arranged on the upper side of the inner fixture block (3), a transverse groove (32) is arranged at the bottom of the conical groove (31), a transverse shaft (6) is vertically fixed at the lower end of the axial driving rod (5), and the transverse shaft (6) is fittingly sleeved in the transverse groove (32).

4. The core drill bit for the rotary cutting equipment for road maintenance according to claim 1, further comprising a motor base, wherein the motor is fixed in the base, and the core drill bit is installed downwards on a rotating shaft of the motor.

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