Utility model content
The utility model object is the above-mentioned defect overcoming prior art, provides the large penetration rate of a kind of moment of torsion fast, adaptable, easy to use, the mute electric drill that muting function is good.
For achieving the above object, the utility model mute electric drill comprises a horizontal type support, be fixedly mounted with by bearing block the central shaft that a front end is fixedly mounted with drill chuck in the middle of described horizontal type support, described horizontal type support two ends respectively under be fixedly mounted with symmetrical left and right drive motors, the left synchronous belt of accessory and right synchronous belt respectively between the front passive and synchronous belt wheel that the left active synchronization belt wheel that left and right drive motors output shaft end is fixedly mounted with and right active synchronization belt wheel and central shaft are fixedly mounted with and rear passive and synchronous belt wheel.There is the large penetration rate of moment of torsion fast, adaptable, easy to use, the advantage that muting function is good.
As optimization, described horizontal type support joins symmetrical slide bar and screw rod in central shaft both sides by sliding supporting axially cunning the in the left and right parallel with central shaft, described slide bar and screw front end are fixedly mounted with the end plate of a band mesopore jointly, internal thread Button Handle cover joined by described screw rod bottom silk, described screw rod described internal thread Button Handle cover and described horizontal type support or sliding supporting between sliding supporting dress support spring.During boring, the described internal thread Button Handle cover of front rotation can realize feeding forward forward.
As optimization, described central shaft is the hollow shaft of anterior configuration drill chuck; Described slide bar and screw front end are shaped with internal thread hole, and described end plate is fastened on described slide bar and screw front end by the screw be connected with described slide bar and screw rod internal thread hole for a pair; The sharp body of equally distributed multiple cone is fixed with before described end plate.Described internal thread Button Handle cover periphery, front and back end is shaped with the axial notch evenly gathered.The front and back end cover that described support spring front and back end has spring wire to be closely wound around respectively.Described end plate and bore sharp body above for propping up drilled object forward.
As optimization, chuck is squeezed in described hollow shaft front end taper inner circumferential configuration taper, and periphery, described hollow shaft front end silk is used in the silk cap that chuck is squeezed in the described taper of extruding; The sharp body of described cone is that sharp body is bored in the position, four angles being distributed in described end plate four angular region respectively, position, four angles bore sharp body by between line two diagonal bits parallel with screw front end line with described slide bar bore sharp body and form, bore between sharp body in every diagonal bits before end plate and be fixedly mounted with a front end face slightly bores sharp body front end planar end surface body lower than position, angle.
As optimization, described hollow shaft rear end is fixedly mounted with the rear end cap for tonger fixing; Described hollow shaft postmedian inner circumferential is and the cylindrical hole of described taper inner circumferential rear tip with footpath; Taper is squeezed chuck inner circumferential and is directly set with drilling rod or is first set with axially open sleeve pipe, and axially open sleeve pipe is set with drilling rod again; Described planar end surface body is the torus that the solid body front end of end plate through hole inner sleeve is shaped with to periphery expansion.
The attachment of the sharp body of described cone and end plate is through hole processed on end plate, and described through hole internal thread is consolidated or anchoring cylinder, and cylinder front end is shaped with the cone point body to periphery expansion.The attachment of described end plate and described body is for body through hole internal thread is solid or body described in anchoring.What the attachment of described rear end cap and described hollow shaft rear end was hollow shaft rear end described in mesopore inner sleeve is made up of long a pair planar end surface and a pair short arc end face in split ring external week, and one of them is had to make between the short arc end two lobe body of middle opening and is tightened together by trip bolt.Wherein the short arc end lobe system of screw cap side has the side open groove hole holding described screw cap.
As optimization, described horizontal type support is the spindle cassette holder of the cover board of front end of the uncovered configure band central shaft hole in front end, and be shaped with the rear projection seat for being fixedly mounted with bearing in the middle part of spindle cassette holder backward, rear projection seat forms described bearing block after being fixedly mounted with bearing; The periphery, stage casing that described central shaft is positioned at spindle cassette holder is fixedly mounted with forward rear front passive and synchronous belt wheel successively, described rear front passive and synchronous belt wheel and described left active synchronization belt wheel and the right active synchronization belt wheel left synchronous belt of accessory and right synchronous belt respectively.
As optimization, drive the left synchronous belt of described rear passive and synchronous belt wheel and left active synchronization belt wheel and left drive motors relative to driving the right synchronous belt of described front passive and synchronous belt wheel and right active synchronization belt wheel and right drive motors and misplace backward on described horizontal type support configuration.Described cover board of front end is fixed together by trip bolt and described horizontal type support or its annex.
As optimization, two ends, the described spindle cassette holder left and right U-shaped that is connected to side holds frame, and described spindle cassette holder is holding with described U-shaped the electrical connector receptacle that the relative opposite side of frame is fixedly mounted with left and right, Electricity Federation drive motors.To be connected two ends, described spindle cassette holder left and right by screw in the middle part of the two side arms that described U-shaped holds frame.Described electrical connector receptacle is by the direct current storage power of plug and cable connecting band speed governing direction-regulator.Described direct current storage power is furnished with the charging wire connecting civil power.U-shaped is held frame and is shaped with and moves towards strip through-hole spaced apart along its hand-to-arm grip.
As optimization, the symmetrical distribution of left and right stator of described left and right drive motors.
As optimization, the symmetrical distribution of left and right rotor of described left and right drive motors.The symmetrical distribution of left and right rotor magnetic pole of described left and right rotor.Opposed two magnetoes of mute electric drill muffling part balance, reach phase angle symmetry, and make motor shake direction to produce head-on collision, and head-on collision ripple acting in conjunction is on body thus the inconsistent disappearance of waveform.
It is the low noise rig of a kind of advanced person, and police personnel can hole with mute electric drill when not discovered by offender on wall, then gos deep into snake eye observation sound within doors.Be used for detecting the action of next room personnel.
Its whole system is placed in three anti-chests, easy to carry, in counterterrorism operations, understand, monitor indoor situations, vital effect is played, rapid deployment boring work to the link such as guidance, enforcement of work, quiet monitoring indoor situations, in room, offender knows nothing.Drill bit mounting means is guide pin bushing mode, can be regulated arbitrarily, can rotate forward, reverse by 0-400 millimeter, and electric drill adopts dual-motor mechanism, and the 36vdc large penetration rate of moment of torsion of powering is fast.
After adopting technique scheme, it is fast that the utility model mute electric drill has the large penetration rate of moment of torsion, adaptable, easy to use, the advantage that muting function is good.
Detailed description of the invention
As shown in the figure, the utility model mute electric drill comprises a horizontal type support, be fixedly mounted with by bearing block 10 central shaft that a front end is fixedly mounted with drill chuck 11 in the middle of described horizontal type support, described horizontal type support two ends respectively under be fixedly mounted with symmetrical left and right drive motors 12,13, the left synchronous belt of accessory and right synchronous belt respectively between the front passive and synchronous belt wheel that the left active synchronization belt wheel that left and right drive motors 12,13 output shaft end is fixedly mounted with and right active synchronization belt wheel and central shaft are fixedly mounted with and rear passive and synchronous belt wheel.Described horizontal type support joins symmetrical slide bar 2 and screw rod 3 in central shaft both sides by sliding supporting axially cunning the in the left and right parallel with central shaft, described slide bar 2 and screw rod 3 front end are fixedly mounted with the end plate 4 of a band mesopore jointly, internal thread Button Handle cover 30 joined by described screw rod 3 bottom silk, described screw rod 3 described internal thread Button Handle cover 30 and described horizontal type support or sliding supporting between sliding supporting dress support spring 33.Described end plate 4 is parallel with described horizontal type support front end face, and also with central axis, figure end plates 4 tilts just conveniently to show its mesopore passed through for drilling rod 7.
Specifically described central shaft is the hollow shaft 1 of anterior configuration drill chuck 11; Described slide bar 2 and screw rod 3 front end are shaped with internal thread hole, and described end plate 4 is fastened on described slide bar 2 and screw rod 3 front end by the screw be connected with described slide bar 2 and screw rod 3 internal thread hole for a pair; Described end plate 4 is fixed with the sharp body 41 of equally distributed multiple cone above.Described internal thread Button Handle overlaps 30 peripheries, front and back end and is shaped with the axial notch evenly gathered.The front and back end cover that described support spring 33 front and back end has spring wire to be closely wound around respectively.
Chuck is squeezed in preferred described hollow shaft 1 front end taper inner circumferential configuration taper, and periphery, described hollow shaft 1 front end silk is used in the silk cap that chuck is squeezed in the described taper of extruding; The sharp body of described cone 41 is that sharp body is bored in the position, four angles being distributed in described end plate 4 four angular region respectively, position, four angles bore sharp body by between line two diagonal bits parallel with screw rod 3 front end line with described slide bar 2 bore sharp body and form, end plate 4 is bored between sharp body in every diagonal bits above and is fixedly mounted with a front end face slightly bores sharp body front end planar end surface body 40 lower than position, angle.
More preferably described hollow shaft 1 rear end is fixedly mounted with the rear end cap 16 for tonger fixing; Described hollow shaft 1 postmedian inner circumferential is and the cylindrical hole of described taper inner circumferential rear tip with footpath; Taper is squeezed chuck inner circumferential and is directly set with drilling rod 7 or is first set with axially open sleeve pipe, and axially open sleeve pipe is set with drilling rod 7 again; Described planar end surface body 40 is the torus that the solid body front end of end plate 4 through hole inner sleeve is shaped with to periphery expansion.
The sharp body of described cone 41 is through hole processed on end plate 4 with the attachment of end plate 4, and described through hole internal thread is consolidated or anchoring cylinder, and cylinder front end is shaped with the cone point body 41 to periphery expansion.The attachment of described end plate 4 and described body is for body through hole internal thread is solid or body described in anchoring.What described rear end cap 16 was hollow shaft 1 rear end described in mesopore inner sleeve with the attachment of described hollow shaft 1 rear end is made up of long a pair planar end surface and a pair short arc end face in split ring external week, and one of them is had to make between the short arc end two lobe body of middle opening and is tightened together by trip bolt.Wherein the short arc end lobe system of screw cap side has the side open groove hole holding described screw cap.
Specifically described horizontal type support is the spindle cassette holder 5 of the cover board of front end 50 of the uncovered configure band central shaft hole in front end, and be shaped with the rear projection seat for being fixedly mounted with bearing in the middle part of spindle cassette holder 5 backward, rear projection seat forms described bearing block 10 after being fixedly mounted with bearing; The periphery, stage casing that described central shaft is positioned at spindle cassette holder 5 is fixedly mounted with forward rear front passive and synchronous belt wheel successively, described rear front passive and synchronous belt wheel and described left active synchronization belt wheel and the right active synchronization belt wheel left synchronous belt of accessory and right synchronous belt respectively.
The left synchronous belt of the described rear passive and synchronous belt wheel of preferred driving and left active synchronization belt wheel and left drive motors 12 to misplace backward configuration relative to driving the right synchronous belt of described front passive and synchronous belt wheel and right active synchronization belt wheel and right drive motors 13 on described horizontal type support.Described cover board of front end 50 is fixed together by trip bolt and described horizontal type support or its annex.
Described spindle cassette holder about the 5 two ends U-shaped that is connected to side holds frame 51; described spindle cassette holder 5 is holding with described U-shaped the electrical connector receptacle 8 that the relative opposite side of frame 51 is fixedly mounted with left and right, Electricity Federation drive motors 12,13, and described electrical connector receptacle 8 is connected with the electrical connector receptacle protective cap 80 freely can pulled down and cover by connecting line.To be connected described spindle cassette holder about 5 two ends by screw in the middle part of the two side arms that described U-shaped holds frame 51.Described electrical connector receptacle 8 is by the direct current storage power of plug and cable connecting band speed governing direction-regulator.Described direct current storage power is furnished with the charging wire connecting civil power.Described U-shaped is held frame 51 and is shaped with and moves towards strip through-hole spaced apart along its hand-to-arm grip.
The symmetrical distribution of left and right stator of preferred described left and right drive motors 12,13.More preferably the symmetrical distribution of left and right rotor of described left and right drive motors 12,13.The most preferably symmetrical distribution of left and right rotor magnetic pole of described left and right rotor.Opposed two magnetoes of mute electric drill muffling part balance, reach phase angle symmetry, and make motor shake direction to produce head-on collision, and head-on collision ripple acting in conjunction is on body thus the inconsistent disappearance of waveform.
Technical parameter: rotating speed: adjustable.Turn to: positive/negative.Power supply mode: inside-battery lasts work 10 hours outside-36v direct current supply.Charging: by 220VAC quick charge.Rated power: be not less than 180W must be bi-motor structure.Main bit size: 0-400mm can regulate arbitrarily.Bore the wall time: standard 24 wall: be not more than 30min, standard 37 wall: be not more than 60min.Unloaded noise: " 35dB.Rated power: 180W, bi-motor structure.Kind can be bored: body of wall, metal wooden partition, glass curtain wall, ceramic curtain wall.System dimension: be not more than 52 x 42 x 23 cm.System gross weight (in chest): be not more than 8 kg.
Standard configuration: 1, mute electric drill body assembly; 2, metope fixed cell (there is guiding and auto-feed effect); 3, control unit is containing built-in dynamic lithium battery; 4, system power supply supply and charger; 5, the length of the bit 0-400 millimeter.There is the large penetration rate of moment of torsion fast, adaptable, easy to use, the advantage that muting function is good.