Electric drill stand
The present invention relates to a kind of bracing or strutting arrangement of electric drill, concrete, relate to a kind of shelf of electric drill.
With electric hand drill when ceiling punches, general operation is: the good ladder of frame at first, then workman's rear use electric hand drill that climbs up the ladder punches to ceiling, because the workmen wants head to face upward and upwards exert all one's strength, be very difficult to operation, also will stand in simultaneously scaffold or step down on the ladder, stability and security have been subject to very large impact when making operation.
For defects, the license notification number is " CN 201924573 U ", name is called " hole drilling-up auxiliary device of impact electric drill ", a kind of shelf of electric drill is disclosed, the straight-bar that mainly comprises scalable adjusting, below the pole of described scalable adjusting, be provided with a hand support, the pole top is provided with fixedly impact electric drill device, the hand support is to link to each other with the pole lower end by movable rod in the middle of the mobile jib with base, the band handle ripping bar at mobile jib top is connected to by pivot pin in the middle of the pole, consist of thus can parallel upper sled structure, can fix that to impact electric drill device be to be provided with fixedly latch closure of a supporting plate and several at the top of pole, during use, electric impact drill is fixed on the top of pole, props up the mobile jib with base, the hand holding handle handle, press down ripping bar, can realize thus the punching to the top.
In addition, number of patent application is " 201010112742.5 ", name is called " Mobile support frame for electric drill ", a kind of shelf of electric drill is also disclosed, mainly comprise support bar, above support bar, be connected with push rod by the activity operations bar, electric drill fixed mount and dust collection cover are equipped with in the push rod upper end, the lower end of support bar is provided with sliding bottom, and activity operations bar and push rod junction are provided with the movable branching rod for location and reinforcing, are provided with the supply socket of move operation handle and power switch or belt switch at support bar, during use, electric drill can be fixed on the electric drill fixed mount,, can the ceiling flat-top of top be punched by the activity operations bar by down.
In the shelf of electric drill described above, the structure of jack-up electric drill as shown in Figure 3, in the process of top offset, electric drill can depart from simultaneously the displacement of d to horizontal direction at the jack-up electric drill.Cause in the hole that ceiling gets out to be bar shaped, do not utilize bolt or screw fixing in through hole.And because the end face of general ceiling all is that comparatively high (general building story height is at 2.8m ~ 3.5m, higher has about 4.0m ~ 4.5m) people use as the shelf of above-mentioned electric drill in, drill bit need to be determined by range estimation in the location of ceiling end face, location positioning produces deviation easily, especially in the bad situation of night or ceiling top light, the location is difficulty particularly.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of electric drill stand, when can guarantee that drill bit is vertically upward, be convenient to the location of electric drill punching.
The present invention is achieved through the following technical solutions: electric drill stand, comprise base, two guide pin bushings have been arranged side by side at described base, in described guide pin bushing, slide and be provided with guide pillar, be provided with tooth bar at described guide pillar outer wall, be provided with the gear that is mated at tooth bar, described gear is connected with rotating shaft, be provided with in the end of a described guide pillar for the fixing electric drill fixed mount of electric drill, be fixedly installed transparent cover body at another described guide pillar, during boring, electric drill is through described cover body, sidewall at described cover body arranges light source, the light of described light source emission by electric drill top and cover body end plane and intersection point.
In the technique scheme, the lower surface of described base is provided with roller.
In the technique scheme, described guide pillar comprises cylinder and sleeve pipe, and described cylinder slides and is arranged in the described sleeve pipe, offers screwed hole at described column side wall, and cylinder is established bolt and is fixed in the sleeve pipe by twisting in screwed hole.
The present invention compared with prior art has following beneficial effect: when can make vertically upward displacement of drill bit, can not produce the movement of horizontal direction, thereby guarantee drilling quality; The light source location of electric drill by arranging in transparent cover is even therefore higher or can realize still that in the bad situation of ceiling top light bore position accurately locates from the bottom surface height on the ceiling top.
Description of drawings
Fig. 1 is the schematic diagram of jack-up electric drill structure in the background technology.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the structural representation of guide pillar of the present invention.
Fig. 4 is the structural representation of electric drill of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the present invention is described in further detail: referring to Fig. 2 to Fig. 3, electric drill stand, comprise base 101, two guide pin bushings 1 have been arranged side by side at described base 101, be provided with guide pillar 10 in described guide pin bushing 1 interior slip, be provided with tooth bar 100 at described guide pillar 10 outer walls, be provided with the gear 2 that is mated at tooth bar 100, described gear 2 is connected with rotating shaft 3, come the rotation of driven gear 2 by shaking rotating shaft 3, cooperation by gear 2 and tooth bar 100 drives the vertical mobile up and down of guide pillar 10, so guide pillar 10 can not be offset in the horizontal direction.
Be provided with in the end of a described guide pillar 10 for the fixing electric drill fixed mount of electric drill, during use, electric drill fixing with described electric drill fixed mount on, be fixedly installed transparent cover body 4 at another described guide pillar 10, cover body 4 end faces and ceiling develop during use, during boring, electric drill is through described cover body 4, sidewall at described cover body 4 arranges light source 5, the intersection point of the light of described light source 5 emissions and cover body 4 end planes top by electric drill, that is, during boring, the light of light source 5 is radiated at the top position that contacts with ceiling of electric drill, also namely need the position of punching, therefore no matter be to observe than pork in the true situation of indeterminacy in the ceiling terrain clearance, or cross in the situation that dark naked eyes are difficult for seeing clearly at ceiling light, only need the just accurate position of positional punch, position that observation light source with the naked eye is radiated at ceiling.
The lower surface of described base 101 is provided with roller 6, is convenient to adjust in use the position of base.
Described guide pillar 10 comprises cylinder 8 and sleeve pipe 9, described cylinder 8 slides and is arranged in the described sleeve pipe 9, offer screwed hole 90 at described cylinder 8 sidewalls, cylinder 8 is established bolt and is fixed in the sleeve pipe by twisting in screwed hole 90, screwed hole 90 intervals evenly arrange, not can't be so that when being fixed on the cover body 4 of guide pillar 10 upper ends and electric drill and touching ceiling in guide pillar 10 length, can unscrew the bolt in screwed hole 90, the cylinder 8(that extracts part in sleeve pipe 9 extracts the length of cylinder 8 and is the spacing of several screwed holes 90), then the bolt of again screwing on, so that cylinder 8 retightens in sleeve pipe 9, so just lengthened the length of guide pillar 10, and when electric drill stand of the present invention does not use, cylinder 8 can stretch into sleeve pipe 9 least significant end positions, so just reduced the storage area of electric drill stand of the present invention, so that electric drill stand carries or carry all convenience very.
During use, rotation is provided with the rotating shaft 3 on the guide pillar 10 of transparent cover body 4, so that the face of ceiling is withstood in the upper surface of transparent cover 4, then adjust the position of base 101, so that the light of light source 5 is radiated at the position that needs punching on the cover body 4, then rotate on the guide pillar 10 with drill bit rotating shaft 3 so that guide pillar 10 rise, the drive electric drill rises, when drill bit process source light and ceiling position of intersecting point, start drill bit, be rotated further rotating shaft, the rotating shaft that after drill bit changes enough degree of depth over to, stops operating, such drilling operation is finished.
Referring to Fig. 4, described electric drill 7 comprises handle 73, at an end of described handle 73 battery 72 is housed, and has the motor 75 that drives drill bit in described electric drill 71, and described motor 75 comprises output shaft 750.
Also comprise body 78, in described body 78, be full of cooling water, described body 78 is around motor 75 and form the 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 a side of described magnetic drives wheel 74, when electric drill uses, motor output shaft 750 rotates the rotation that drives permanent magnet 77, mode by the magnetic transmission drives the rotation of magnetic drives wheel 74, thereby so that the cooling waters in the body 78 can circulate.
Be provided with in the described electric drill 7 for the storage tank 76 that stores cooling water, in described storage tank 76, more cooling water is set, described storage tank 76 and described body 78 are communicated with, so just can have enough cooling waters and absorb the heat that battery produces in the electric drill running, guarantee that the cooling water heat absorption is too much ineffective behind the electric drill long-play.
Be provided with through hole 760 at described storage tank 76, electric drill 7 can be dismantled corresponding to the housing of through hole 760 positions, twist cap 761 described through hole 760 stubborn being provided with, in the long-time use procedure of electric drill, if need in body 78, increase or change cooling water, only needs dismounting electric drill 7 is turned on cap 761 corresponding to the housing of through hole 760 positions, adds or pour out cooling water to get final product in through hole 760.