When punching on the ceiling with electric hand drill, general operation is: the first good ladder of frame, then workman uses electric hand drill to punch to ceiling after climing up the ladder, want head to face upward due to workmen and upwards exert all one's strength, be very difficult to operation, also will stand on scaffold simultaneously or step down on ladder, when making operation, stability and security receive very large impact.
For above-mentioned defect, license notification number is " CN 201924573 U ", name is called " hole drilling-up auxiliary device of impact electric drill ", disclose a kind of shelf of electric drill, mainly comprise the straight-bar of scalable adjustment, a hand support is provided with below the pole of described scalable adjustment, pole top is provided with can fix impact electric drill device, hand support is connected with pole lower end by movable rod in the middle of the mobile jib of band base, the band handle ripping bar at mobile jib top is connected in the middle of pole by pivot pin, forming thus can the structure of parallel upper sled, can fix impact electric drill device is be provided with a supporting plate and several fixing latch closure at the top of pole, during use, electric impact drill is fixed on the top of pole, prop up the mobile jib with base, hand holding handle handle, press down ripping bar, the punching to top can be realized thus.
In addition, number of patent application is " 201010112742.5 ", name is called " Mobile support frame for electric drill ", also a kind of shelf of electric drill is disclosed, mainly comprise support bar, push rod is connected with by activity operations bar above support bar, electric drill fixed mount and dust collection cover are equipped with in push rod upper end, the lower end of support bar is provided with sliding bottom, activity operations bar and push rod junction are provided with for the movable branching rod of locating and reinforce, support bar is provided with the supply socket of mobile lever and power switch or belt switch, during use, electric drill can be fixed on electric drill fixed mount, by lower by activity operations bar, can punch to the ceiling flat-top of top.
In the shelf of electric drill described above, as shown in Figure 3, at jack-up electric drill in the process of top offset, electric drill can depart from the displacement of d to the structure of jack-up electric drill simultaneously to horizontal direction.Cause the hole got out on the ceiling to be bar shaped, do not utilize bolt or screw in through-holes fixing.And said mechanism is directly descended to the mode of moulded rod jack-up electric drill, easily cause the punching degree of depth to be difficult to control, be therefore necessary to make improvements.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of drilling equipment, can ensure electric drill can in ceiling vertical drilling, can not horizontal-shift be produced, ensure that the precision of boring; And drilling depth can control.
The present invention is achieved through the following technical solutions: a kind of drilling equipment, comprise base, described base has been arranged side by side two guide pin bushings, slide in described guide pin bushing and be provided with guide pillar, described guide pillar outer wall is provided with tooth bar, tooth bar is provided with the gear be mated, described gear is connected with rotating shaft, the end of the guide pillar described in is provided with the electric drill fixed mount for fixing electric drill, described electric drill fixed mount is fixed with electric drill, guide pillar described in another is fixedly installed transparent cover body, during boring, described electric drill is through described cover body, the sidewall of described cover body arranges the first light source, the light launched of described first light source is by the intersection point of the top and cover body end plane of electric drill, described cover body end is provided with rule, described electric drill arranges secondary light source, the light that described secondary light source is launched, drill bit and rule are positioned at same plane.
In technique scheme, the lower surface of described base is provided with roller.
In technique scheme, described guide pillar comprises cylinder and sleeve pipe, and described cylinder slides and is arranged in described sleeve pipe, and described column side wall offers screwed hole, and cylinder establishes bolt to be fixed in sleeve pipe by twisting in screwed hole.
In technique scheme, the light that described secondary light source is launched and drill bit angle are 45 °.
The present invention compared with prior art, has following beneficial effect: can ensure electric drill can in ceiling vertical drilling, can not horizontal-shift be produced, ensure that the precision of boring; And drilling depth can control.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail: see Fig. 2 to Fig. 3, a kind of drilling equipment, comprise base 101, described base 101 has been arranged side by side two guide pin bushings 1, slide in described guide pin bushing 1 and be provided with guide pillar 10, described guide pillar 10 outer wall is provided with tooth bar 100, tooth bar 100 is provided with the gear 2 be mated, described gear 2 is connected with rotating shaft 3, the rotation of driven gear 2 is carried out by shake rotating shaft 3, the vertical up and down movement of guide pillar 10 is driven by gear 2 and the cooperation of tooth bar 100, therefore guide pillar 10 can not offset in the horizontal direction.
The end of the guide pillar 10 described in is provided with the electric drill fixed mount for fixing electric drill, during use, electric drill 7 is fixing with on described electric drill fixed mount, guide pillar 10 described in another is fixedly installed transparent cover body 4, during use, cover body 4 end face and ceiling develop, during boring, electric drill is through described cover body 4, the sidewall of described cover body 4 arranges the first light source 5, the light launched of described first light source 5 is by the intersection point of top and cover body 4 end plane of electric drill, namely, during boring, the light of the first light source 5 is radiated at the top position contacted with ceiling of electric drill, also the position of punching namely is needed, therefore be no matter when ceiling terrain clearance compared with pork observe indeterminacy true, or when ceiling light cross dark naked eyes not easily see clearly, with the naked eye observation light source is only needed to be radiated at the position of position with regard to the accurate positional punch of energy of ceiling.
The lower surface of described base 101 is provided with roller 6, is convenient to the position adjusting base in use.
Described guide pillar 10 comprises cylinder 8 and sleeve pipe 9, described cylinder 8 slides and is arranged in described sleeve pipe 9, described cylinder 8 sidewall offers screwed hole 90, cylinder 8 establishes bolt to be fixed in sleeve pipe by twisting in screwed hole 90, screwed hole 90 interval is evenly arranged, when guide pillar 10 length cannot make to be fixed on the cover body 4 of guide pillar 10 upper end not and electric drill touches ceiling, the bolt in screwed hole 90 can be unscrewed, the length that the cylinder 8(extracting in sleeve pipe 9 part extracts cylinder 8 is the spacing of several screwed holes 90), then again to screw on bolt, cylinder 8 is retightened in sleeve pipe 9, so just increase the length of guide pillar 10, and when electric drill stand of the present utility model does not use, cylinder 8 can stretch into sleeve pipe 9 least significant end position, which reduces the storage area of electric drill stand of the present invention, electric drill stand is carried or carries convenience all very.
And arrange secondary light source 15 on described electric drill 7, light, drill bit and rule 13 that described secondary light source 15 is launched are positioned at same plane.See Fig. 4, (in Fig. 4, arrow a refers to the direction that drill bit pierces, arrow b refers to the direction of secondary light source light emission), by the angle [alpha] of secondary light source 15 and drill bit, (α angle can regulate in advance, namely α is a known angle adjusted) and bit drills fashionable secondary light source light can fix on the state as Fig. 4 at the distance n(that rule is inswept, namely when drill bit has just contacted ceiling, the light position on the scale that secondary light source is launched is the zero point of rule) determine that drill bit pierces the degree of depth of ceiling, namely the degree of depth D that drill bit pierces can be obtained by equation: D=n/tan α.
A comparatively preferred angle [alpha] is obtained by above-mentioned formula, i.e. α=45 °, now D=n, namely the degree of depth that pierces of drill bit identical with the distance of streaking on rule 13 (namely the light of secondary light source slides 1cm on the scale, and drill bit just pierces ceiling 1cm) now can mark master scale on the scale.But the angle [alpha] of secondary light source 15 and drill bit does not limit and above-mentioned angle, can according to the angle of the suitable increase α of the actual needs being convenient to reading, such as, α can be 60 °, now easily push away to obtain D=n/2 according to above-mentioned formula, namely the light of secondary light source 15 transmitting is often at rule 13 top offset two 2cm, drill bit pierces ceiling 1cm, scale now on rule 13 is the master scale of twice, namely the scale of the mark of length on rule 13 of reality two centimetres is one centimetre, so just serve the effect expanding reading, what now rule can do is larger, be convenient in ceiling lower end rule reading.
The present invention in use, rotate the rotating shaft 3 be provided with on the guide pillar 10 of transparent cover body 4, the upper surface of transparent cover 4 is made to withstand the face of ceiling, then the position of base 101 is adjusted, the light of the first light source 5 on cover body 4 is made to be radiated at the position needing punching, then rotating the rotating shaft 3 had on the guide pillar 10 of drill bit makes guide pillar 10 rise, drive electric drill rises, drill bit is through the first source light and ceiling position of intersecting point, start drill bit, be rotated further rotating shaft, when (this degree of depth can control by the reading read on rule 13) after drill bit proceeds to enough degree of depth, stop operating rotating shaft, such drilling operation completes.Owing to have employed the mechanism that rack-and-pinion drives electric drill to rise, therefore ensure that and get vertical hole on the ceiling, in boring procedure, the skew of left and right can not be produced.And determine that electric drill pierces the degree of depth of smallpox plate hole by the reading read on rule 13, therefore drilling depth is controlled.
See Fig. 5, described electric drill 7 comprises handle 73, in one end of described handle 73, battery 72 is housed, and in described electric drill 7, have the motor 75 driving drill bit, described motor 75 comprises output shaft 750.
Also comprise body 78, cooling water is full of in described body 78, described body 78 is around motor 75 and form closed-loop path in described electric drill 7, body 78 is provided with magnetic drives wheel 74 near inside, described output shaft 750 position, described output shaft 750 is fixedly installed permanent magnet 77 near the side of described magnetic drives wheel 74, when electric drill uses, motor output shaft 750 rotates the rotation driving permanent magnet 77, the mode transmitted by magnetic drives magnetic drives to take turns the rotation of 74, thus the cooling water in body 78 can be circulated.
The storage tank 76 for storing cooling water is provided with in described electric drill 7, in described storage tank 76, more cooling water is set, described storage tank 76 is communicated with described body 78, so just can have the heat that enough cooling waters produce in electric drill running to absorb battery, after ensure that electric drill long-play, cooling water heat absorption is too much ineffective.
Described storage tank 76 is provided with through hole 760, the housing that electric drill 7 corresponds to through hole 760 position can be dismantled, described through hole 760 is twisted and is provided with stubborn cap 761, in the long-time use procedure of electric drill, if desired in body 78, increase or change the words of cooling water, only need to dismantle the housing that electric drill 7 corresponds to through hole 760 position, turn on stubborn cap 761, add in through hole 760 or pour out cooling water.