CN206305494U - A kind of drilling special equipment of porous major axis - Google Patents

Abstract

The utility model discloses a kind of drilling special equipment of porous major axis, including support, fixture and drill gun module；Fixture includes support frame, and support frame includes accompanying a pair of L-type steel plates for setting support plate jaggy, the pressing plate of zigzag is provided with directly over the opening of breach, and lower horizontal board and the support plate of zigzag plate are hinged, and the end of lower horizontal board is hinged with the first hydraulic stem；Drill gun module includes drill gun, drill gun mounting seat and the second hydraulic stem, and the second hydraulic stem is hinged with fixture mounting seat, be provided between two second hydraulic stems be sequentially provided with clamp nut, be fixed with support shaft support tube studdle.Drill gun mounting seat includes clamp base and tailstock and chuck, and chuck includes upper blocking seat and lower deck, and clamp base is moved under the effect of the 3rd hydraulic stem；Wherein side of the fixture on support, the breach of all fixtures is on same level straight line；The both sides of drill gun module point row major axis.The device structure is simple, install making facility, and drilling performance is flexible and changeable, strong adaptability.

Description

A kind of drilling special equipment of porous major axis

Technical field

The utility model belongs to machining technology field, more particularly to a kind of rig of axial workpiece.

Background technology

In machining, the processing of axle class or pipe part more long is frequently encountered, most common of which is Drilled on axle, because axle is long, usual two meters or three meters, in addition it is longer, if now using general common apparatus Drilling, then may move size well beyond the work of lathe, lead to not clamping, or executing agency, such as workbench Guide rail stroke is not enough；If using numerical control device, a series of positions are got out using cutter (drill bit) movement being connected with main shaft Different holes, then equally face the limitation of main axle moving stroke, now, if being improved to these common apparatus, cost Huge, economy and adaptability are poor.

Utility model content

The purpose of this utility model is to solve above-mentioned technical problem, there is provided a kind of drilling special equipment of porous major axis, The device structure is simple, easy to make, with low cost, and maneuverability is strong, it is adaptable to the Drilling operation of long shaft part.

The technical solution of the utility model is as follows：

A kind of drilling special equipment of porous major axis, including support and the fixture for clamping major axis on support With the drill gun module for being drilled on major axis；

The fixture includes support frame, and support frame as described above includes the L-type steel plate of a pair rectangular shapes being symmetrical set, The gusset of rectangular triangle is provided between two L-squares of L-type steel plate, is regularly accompanied between the vertical plate of two L-type steel plates Support plate, the top of support plate is provided with the breach of isosceles trapezoid shape, and major axis is installed in the breach, positioned at the folder at major axis two ends Tool is additionally provided with penetratingly to be provided with the baffle plate for withstanding major axis end face, the baffle plate in the side of its breach can withstand longitudinal end The regulating bolt in face, the opening surface of breach is provided with pressing plate that can be parallel with indentations bottom, and the pressing plate is zigzag plate Upper level board, the centre position of the lower horizontal board of zigzag plate is hinged with the jointed shaft being fixed on support plate, the lower horizontal board End is hinged with the top of the first hydraulic stem being vertically arranged, and the hydraulic cylinder of first hydraulic stem is fixed on support plate rear side；

The drill gun module includes drill gun, installs the drill gun mounting seat and the second hydraulic stem of drill gun, second hydraulic stem Two are provided with, two second hydraulic stems are located at the underface of the fixture mounting seat center line, the top of every second hydraulic stem is equal Bottom with the fixture mounting seat is hinged, and the centre position between two second hydraulic stems is provided with studdle vertically, support Clamp nut is screwed with screw rod, support tube is actively cased with the studdle above clamp nut, the top of support tube is fixed There are the axis perpendicular and the support shaft parallel with fixture mounting seat with fixture；

The drill gun mounting seat includes the drill gun fixture and slide for clamping drill gun；

The drill gun fixture includes clamp base and the tailstock and chuck that are arranged in clamp base, and the chuck includes mutual The upper blocking seat and lower deck of the folder hole of circle can be formed after combined；The arc groove of the tailstock and the circle of drill gun tail end Arc projection is engaged, and the circular arc projection is stung tightly, and the neck at gun drill end is clamped by the upper blocking seat and lower deck, so that will Drill gun clamping fix and its pikestaff upward；The slide includes slide base plate and the ram being arranged on slide base plate, the cunning Pillow is provided with can be fixed with the clamp base along its sliding block slidably, on sliding block, one end of the clamp base and the Three hydraulic stems are connected；

Wherein side of the fixture on the support, the breach of all fixtures on same level straight line so that By axis clamping long；The both sides of the drill gun module point row major axis, and the drill bit of each drill gun module is directed to major axis.

Further, the breach is arranged on fixture block, and the fixture block is the square plate that a top is provided with the breach, Countersunk screw holes and pin-and-hole are provided with the bottom of breach, the fixture block is fixed with the top of support plate using finger setting and bolt connection.

Further, the both sides in the centre position of the lower horizontal board of the zigzag plate are connected with one piece of connecting plate, two pieces respectively The upper end of connecting plate couples with the both sides taper pin of the lower horizontal board respectively, lower end be respectively fitted over the two ends of the jointed shaft and with The two ends of jointed shaft are coupled by wedge key.

Further, the one side that the bottom surface of the pressing plate connects with major axis is provided with buffer rubber gasket, and the breach is embedded with The rubber cushion blocks of isosceles trapezoid shape.

Further, bolt-connection is used between the L-type steel plate and support plate, and its bolt hole is the bar being vertically arranged Shape hole.

Further, second hydraulic stem is provided with the scale of depression, and laser engraving has scale value at corresponding scale.

Further, symmetrical graduation mark is equipped with the leading flank of two L-type steel plates, between two L-type steel plates The lateral surface of support plate is provided with arrow；When regulation support plate is moved between two L-type steel plates, the arrow side of the arrow To can be conllinear to the symmetrical corresponding graduation mark on two L-type steel plates.

Further, the clamp base is provided with screw rod mounting seat, and the screw rod mounting seat is hollow for both sides insertion Rectangular structure, its two ends is provided with rolling bearing；One end of screw rod sequentially passes through the rolling bearing at two ends, and the other end fixes weldering Hex nut is connected to, so as to screw rod is rotatably located inside screw rod mounting seat, screw flight stretches out screw rod installation Seat both sides through hole and with the sliding sleeve thread connection covered in screw rod mounting seat, drive sliding sleeve move back and forth.

Further, the sliding sleeve is symmetrically arranged on two with screw-threaded counterbore, dogbolt be screwed into the screw-threaded counterbore and incite somebody to action Screw rod radial direction dieback, a cylindric rubber blanket for stretching out its end face is embedded with the end face that is screwed into of the dogbolt.

Further, one end towards drill bit of the chuck is additionally provided with drill bushing, and the drill bushing is linked as one with the lower deck Body, and drill bushing is coaxial with the deck for being provided with arc groove.

The beneficial effects of the utility model：The utility model is using fixture and organic by the drill gun module of modularized design Combine, fixture and drill gun modular structure are simply compact, are easily installed manufacture, can be mutually only between modules and fixture It is vertical, the various location of base is flexibly installed to when using as needed, it is right to constitute different clampings, hole-drilling system The axle of different processing requests carries out quick disposable drilling via formations.

Wherein, the fixture in the utility model can be adjusted neatly by the bolt connection between two L-type steel plates and support plate Section fixture clamping highly, is compressed, with reference to positioned at major axis two ends as lever using zigzag plate to the axial workpiece in breach Support plate side baffle plate, axle one end is withstood on one piece of baffle plate, the other end is conditioned bolt and holds out against, make axle by firmly and can It is fixedly clamped by ground.When using, L-type steel plate bottom is fixed on relevant device using forms such as bolts, can be to axle class Especially major axis is carried out flexibly and firm clamping part, and can be mounted on the workbench of plurality of devices and used, general Property is strong.

Drill gun module in the utility model using common power drill as drill bit, using the tailstock with arc groove and upper Deck, lower deck split realize the clamping of drill gun, and set the slide with sliding block and ram and realize moving back and forth for base, So as to drive drill gun to feed rapidly automatically；Again under the manual fine-tuning effect of studdle, the micro hand feed of drill gun is realized. The utility model realizes the obliquity regulation of mounting seat by two flexible differences in height of the second hydraulic stem, so as to realize The regulation of the mounting inclination angle of drill gun；To improve strength and stability, the also interposition especially between two second hydraulic stems Put and be provided with a studdle, it is by adjusting the clamp nut on studdle that the support tube on studdle is upward Top, to contact and supporting with drill gun mounting seat, herein using the manual regulation of bolt and nut form, one is set without using again The reason for root the second hydraulic stem of identical is, it is to avoid the High Voltage of hydraulic stem is directly collided with drill gun mounting seat, damages two The hydraulic stem of root second and the articulated structure of drill gun mounting seat bottom.When in use, can be in the flexible difference in height of two second hydraulic stems It is determined that, when drill gun setting height(from bottom) and gradient determine, support tube is pushed up upwards and two second hydraulic stems are reduced slightly as needed Height, drill gun mounting seat and the weight of drill gun is primarily transmitted to studdle, to protect above-mentioned articulated structure.The drill gun Module can be flexibly installed on relevant device as independent cutter (drill bit), need to only be installed the second hydraulic stem and screw rod At the correct position of relevant device, Rapid matching processing can be carried out to the part in required processing hole, its modularization sets Meter highly versatile.

As can be seen here, the utility model simple structure, easy to make, with low cost, maneuverability is strong, can arbitrarily increase Drill bit (drill gun module) number, and different bit location angle is set, it is particularly suited for the long shaft part of multi-hole position Drilling operation.

Brief description of the drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the utility model top view.

Fig. 3 is left view of the present utility model.

Fig. 4 is right view of the present utility model.

Fig. 5 is front view of the present utility model.

Fig. 6 and Fig. 7 are the structural representation of the fixture for being provided with baffle plate.

Fig. 8 is zoomed-in view at II in Fig. 6.

Fig. 9 is zoomed-in view at I in Fig. 6.

Figure 10 is the structural representation of drill gun module.

Figure 11 is the structural representation of the drill gun mounting seat for being provided with drill gun.

Figure 12 is the drill gun clamp structure schematic diagram for being provided with drill gun.

Figure 13 is the mounting structure schematic diagram of the screw rod, sliding sleeve and screw rod mounting seat in drill gun fixture.

Figure 14 is the side view of structure shown in Figure 13.

Specific embodiment

Implementation method of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages of the present utility model and effect easily.

The utility model is described in further detail with reference to the accompanying drawings and examples：

As shown in Fig. 1-5, a kind of drilling special equipment of porous major axis, including support 1 and being used on support 1 The fixture 3 of clamping major axis 2 and the drill gun module 4 for being drilled on major axis 2.

As shown in Fig. 6-9, the fixture 3 includes support frame 5, and support frame as described above 5 includes being in for a pair be symmetrical set Rectangular-shaped L-type steel plate 501, is provided with the gusset 502 of rectangular triangle, two L-types between two L-squares of L-type steel plate 501 Support plate 6 is regularly accompanied between the vertical plate of steel plate 501, the top of support plate 6 is provided with the breach 601 of isosceles trapezoid shape, major axis 2 End be installed in the breach 601, be respectively equipped with baffle plate 7 in the side of breach 601, positioned at the two ends of major axis 2 fixture 3 lack 601 sides of mouth are additionally provided with the baffle plate 7 for withstanding the end face of major axis 2, and being penetratingly provided with the baffle plate 7 can withstand the end face of major axis 2 Regulating bolt 12.The opening surface of the breach 601 is provided with pressing plate 8 that can be parallel with the bottom of breach 601, the pressing plate 8 is the upper level board of zigzag plate, and the centre position of the lower horizontal board of zigzag plate is cut with scissors with the jointed shaft 10 being fixed on support plate 6 Connect, the end of the lower horizontal board is hinged with the top of the first hydraulic stem 11 being vertically arranged, the liquid of first hydraulic stem 11 Cylinder pressure is fixed on the rear side of support plate 6.

As shown in Figure 10-12, the drill gun module 4 includes drill gun 12, installs the drill gun mounting seat 13 and second of drill gun 12 Hydraulic stem 16, second hydraulic stem 16 is provided with two, and two second hydraulic stems 16 are located at the center line of fixture mounting seat 13 (folder The axis of tool 12) underface, the bottom of every top of the second hydraulic stem 16 with the fixture mounting seat 13 is hinged, two Centre position between second hydraulic stem 16 is provided with studdle 17 vertically, and clamp nut 18 is screwed with studdle 17, fastening Support tube 19 is actively cased with the studdle 17 of the top of nut 18, the top of support tube 19 is fixed with the axis with fixture 12 Perpendicular and parallel with fixture mounting seat 13 support shaft 20.The drill gun mounting seat 13 includes the rifle for clamping drill gun 12 Drill jig 14 and slide 15.The drill gun fixture 14 includes clamp base 1401 and the tailstock being arranged in clamp base 1401 1402 and chuck, the chuck includes that after being combined with each other a upper blocking seat for the folder hole of circle 1403 and lower deck can be formed 1404；The arc groove of the tailstock 1402 is engaged with the circular arc projection 1201 of the tail end of drill gun 12, by the circular arc projection 1201 Sting tight, the neck 1202 of the drill bit of drill gun 12 is clamped by the upper blocking seat 1403 and lower deck 1404, so as to by the clamping of drill gun 12 Fixed and its pikestaff 1203 is upward.The slide 15 includes slide base plate 1501 and the ram being arranged on slide base plate 1501 1503, the ram 1503 is provided with can be fixed with the clamp base along its sliding block 1504 slidably on sliding block 1504 1401, one end of the clamp base 1401 is connected with the 3rd hydraulic stem 1502.The fixture 3 is located on support 1 wherein Side, the breach 601 of all fixtures 3 is on same level straight line, so as to major axis 2 be clamped；4 points of row length of the drill gun module The both sides of axle 2, and the drill bit of each drill gun module 4 is directed to major axis 2.

Further, the breach 601 is arranged on fixture block 600, and the fixture block 600 is provided with the breach for a top 601 square plate, countersunk screw holes 60101 and pin-and-hole 60102, the fixture block 600 and support plate 6 are provided with the bottom of breach 601 Top fixed using finger setting and bolt connection.Because breach 601 is often extruded with absorption surface, belong to consumable accessory；And because The Set and Positioning precision of major axis 2 for its shape and structure accuracy relation, it is therefore desirable to frequent repair and maintenance, it is special by the breach herein 601 are arranged on a single fixture block 600, and the locations of structures precision of frock is ensured by finger setting, and bolt realizes Quick Release Be connected, lifted reliability and service life.

Further, the both sides in the centre position of the lower horizontal board of the zigzag plate are connected with one piece of connecting plate 9, two respectively The upper end of block connecting plate 9 couples with the both sides taper pin 901 of the lower horizontal board respectively, and lower end is respectively fitted over the jointed shaft 10 Two ends are simultaneously coupled with the two ends of jointed shaft 10 by wedge key 1001.Using two pieces of connecting plates 9 by taper pin 901 and wedge key 1001 come Being hinged for zigzag plate and jointed shaft 10 is realized, its mechanical property is more stablized, because jointed shaft 10 herein coordinates the first hydraulic pressure Bar 11 is used as the fulcrum in lever principle, and its mechanical stability must get well, and pressing plate 8 otherwise easily occur cannot fasten The situation of major axis 2, will have a strong impact on the clamping performance of fixture 3.

Further, the one side that the bottom surface of the pressing plate 8 connects with major axis 2 is provided with buffer rubber gasket 801, the breach 601 rubber cushion blocks 604 for being embedded with isosceles trapezoid shape, in order to avoid the surface of major axis 2 is scratched during clamping, while there is buffer shock-absorbing, Avoid major axis 2 from skidding to rotate, keep clamping steadily firm.

Further, bolt-connection, and its bolt hole is used to be and be vertically arranged between the L-type steel plate 501 and support plate 6 Bar hole 50101.To adjust the height and position of support plate 6, so as to adjust the clamping of workpiece highly.

Further, second hydraulic stem 16 is provided with the scale 1601 of depression, laser engraving at corresponding scale 1601 There is scale value.Because two second hydraulic stems 16 are hinged with the bottom of 1 mounting seat of drill gun 13, therefore, by adjusting two hydraulic pressure The collapsing length difference of bar can realize the installation gradient of mounting seat 13, so that drill bit is directed at the diverse location of major axis 2, get out The hole of various location；It is herein for the ease of confirming the peace of mounting seat 13 using the scale 1601 and corresponding scale value of depression Dress inclination angle, its angle value is the arc-tangent value of the height difference with the ratio between two hydraulic pressure distance between tie rods of two hydraulically extensible bars.

Further, symmetrical graduation mark 602 is equipped with the leading flank of two L-type steel plates 501, in two L-type steel plates The lateral surface of the support plate 6 between 501 is provided with arrow 603；When regulation support plate 6 is moved between two L-type steel plates 501, institute The direction of arrow for stating arrow 603 can be conllinear to the symmetrical corresponding graduation mark 602 on two L-type steel plates 501.So design When being in order to using above-mentioned bar hole 50101 collocation bolt regulation support plate 6, support plate 6 is set to be lifted in vertical direction exactly, to protect The set location for demonstrate,proving breach 601 for clamping is accurate；Since in regulation, can be according to the L-type steel plate of arrow 603 and two Whether symmetrical one group graduation mark 602 on 501 collinearly lifts determining support plate 6 in vertical direction exactly.

Further, as shown in Figure 13-14, the clamp base 1401 is provided with screw rod mounting seat 1406, the screw rod Mounting seat 1406 is the hollow rectangular structure of both sides insertion, and its two ends is provided with rolling bearing；One end of screw rod 1405 is successively Through the rolling bearing at two ends, the other end is fixedly welded with hex nut, so as to screw rod 1405 is rotatably located at into spiral shell Inside bar mounting seat 1406, the screw thread of screw rod 1405 stretches out the through hole of the both sides of screw rod mounting seat 1406 and is installed with screw rod is covered on The thread connection of sliding sleeve 1407 on seat 1406, drives sliding sleeve 1407 to move back and forth.The screw rod mounting seat 1406 for setting herein is hollow Very ideally can be arranged on screw rod 1405 on the fixture of drill gun 1 by structure, by turning the hex nut being welded come manual adjustment Drill gun 1 is close to or is engaged with threaded sliding sleeve 1407 away from major axis 2, and screw rod 1405, and itself has fine adjustment function, makes Degree of regulation is higher.

Further, the sliding sleeve 1407 is symmetrically arranged on two with screw-threaded counterbore 1408, dogbolt (not shown) It is screwed into the screw-threaded counterbore 1408 and by the radial direction dieback of screw rod 1405, is embedded with one and stretches in the end face that is screwed into of the dogbolt Go out the cylindric rubber blanket (not shown) of its end face.After avoiding drill gun 1 from being conditioned in place, in drilling due between screw thread The gap of cooperation is excessive or drilling dynamics is excessive causes drill gun 1 to rock, or even the stripped thread of screw rod 1405, using dogbolt top Tight screw rod 1405 is closely connected as a single entity by by screw rod 1405 while preventing 1405 fine rotation of screw rod with sliding sleeve 1407, So as to prevent drill gun from rocking；Additionally, closely can be wrapped up the screw thread of screw rod 1405 in cylindric rubber blanket, more efficiently prevent Only screw rod 1405 is rotated.

Further, one end towards drill bit of the chuck is additionally provided with drill bushing 1409, and the drill bushing 1409 uses heat treatment Steel afterwards are processed, and hardness is high, wearability is strong, and the drill bushing 1409 is connected as a single entity with the lower deck 1404, and drill bushing 1409 is coaxial with the deck 1404 for being provided with arc groove, so that after drill gun 1 is installed, drill bit can be directly protruding into drill bushing 1409 It is interior, the important function for being oriented to and preventing drill bit beat is played in bit bore.

Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited Type.Any person skilled in the art can all be carried out under without prejudice to spirit and scope of the present utility model to above-described embodiment Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model All equivalent modifications completed under god and technological thought or change, should be covered by claim of the present utility model.

Claims (10)

1. a kind of drilling special equipment of porous major axis, it is characterised in that：Including support (1) and being used on support (1) The fixture (3) of clamping major axis (2) and the drill gun module (4) for being drilled on major axis (2)；

The fixture (3) includes support frame (5), and support frame as described above (5) includes a pair L-types of rectangular shape being symmetrical set Steel plate (501), is provided with the gusset (502) of rectangular triangle, two L-type steel plates between two L-squares of L-type steel plate (501) (501) support plate (6) is regularly accompanied between vertical plate, the top of support plate (6) is provided with the breach (601) of isosceles trapezoid shape, Major axis (2) is installed in the breach (601), and the fixture (3) positioned at major axis (2) two ends is additionally provided with the side of its breach (601) Penetratingly being provided with baffle plate (7) for withstanding major axis (2) end face, the baffle plate (7) can withstand the regulation spiral shell of major axis (2) end face Bolt (12), the opening surface of the breach (601) is provided with pressing plate (8) that can be parallel with breach (601) bottom, the pressing plate (8) it is the upper level board of zigzag plate, the centre position of the lower horizontal board of zigzag plate and the jointed shaft being fixed on support plate (6) (10) it is hinged, the end of the lower horizontal board is hinged with the top of the first hydraulic stem (11) being vertically arranged, first hydraulic pressure The hydraulic cylinder of bar (11) is fixed on support plate (6) rear side；

The drill gun module (4) includes drill gun (12), the drill gun mounting seat (13) of installation drill gun (12) and the second hydraulic stem (16), Second hydraulic stem (16) is provided with two, two second hydraulic stems (16) positioned at fixture mounting seat (13) center line just under Side, the bottom of every top of the second hydraulic stem (16) with the fixture mounting seat (13) is hinged, in two second hydraulic stems (16) centre position between is provided with studdle (17) vertically, and clamp nut (18) is screwed with studdle (17), fastens spiral shell Support tube (19) is actively cased with studdle (17) above female (18), the top of support tube (19) is fixed with and fixture (12) axis perpendicular and the support shaft (20) parallel with fixture mounting seat (13)；

The drill gun mounting seat (13) includes the drill gun fixture (14) and slide (15) for clamping drill gun (12)；

The drill gun fixture (14) including clamp base (1401) and the tailstock (1402) being arranged in clamp base (1401) and Chuck, the chuck includes that after being combined with each other a upper blocking seat for the folder hole of circle (1403) and lower deck (1404) can be formed； The arc groove of the tailstock (1402) is engaged with circular arc projection (1201) of drill gun (12) tail end, and the circular arc is raised (1201) sting tight, the neck (1202) of drill gun (12) drill bit is clamped by the upper blocking seat (1403) and lower deck (1404), from And by drill gun (12) clamping fix and its pikestaff (1203) upward；The slide (15) is including slide base plate (1501) and is arranged on Ram (1503) on slide base plate (1501), the ram (1503) be provided with can along its sliding block slidably (1504), The clamp base (1401), one end and the 3rd hydraulic stem of the clamp base (1401) are fixed with sliding block (1504) (1502) it is connected；

Wherein side of the fixture (3) on support (1), the breach (601) of all fixtures (3) is straight in same level On line, so as to major axis (2) be clamped；The both sides of the drill gun module (4) point row major axis (2), and each drill gun module (4) brill Head is directed to major axis (2).

2. the drilling special equipment of porous major axis according to claim 1, it is characterised in that：The breach (601) is arranged on On fixture block (600), the fixture block (600) is provided with the square plate of the breach (601) for a top, at the bottom of breach (601) Portion is provided with countersunk screw holes (60101) and pin-and-hole (60102), and the fixture block (600) uses finger setting and spiral shell with the top of support plate (6) Bolt is connected.

3. the drilling special equipment of porous major axis according to claim 1, it is characterised in that：The lower level of the zigzag plate The both sides in the centre position of plate are connected with one piece of connecting plate (9) respectively, two pieces of upper ends of connecting plate (9) respectively with the lower horizontal board Both sides taper pin (901) connection, lower end is respectively fitted over the two ends of the jointed shaft (10) and passes through with the two ends of jointed shaft (10) Wedge key (1001) couples.

4. the drilling special equipment of porous major axis according to claim 1, it is characterised in that：The bottom surface of the pressing plate (8) with The one side that major axis (2) connects is provided with buffer rubber gasket (801), and the breach (601) is embedded with the rubber cushion blocks of isosceles trapezoid shape (604)。

5. the drilling special equipment of porous major axis according to claim 1, it is characterised in that：The L-type steel plate (501) and branch Bolt-connection is used between plate (6), and its bolt hole is the bar hole (50101) being vertically arranged.

6. the drilling special equipment of porous major axis according to claim 1, it is characterised in that：On second hydraulic stem (16) The scale (1601) of depression is provided with, corresponding scale (1601) place laser engraving has scale value.

7. the drilling special equipment of porous major axis according to claim 5, it is characterised in that：The front side of two L-type steel plates (501) Symmetrical graduation mark (602) is equipped with face, finger is provided with the lateral surface of the support plate (6) between two L-type steel plates (501) Show arrow (603)；When regulation support plate (6) is moved between two L-type steel plates (501), the direction of arrow of the arrow (603) Can be conllinear to the symmetrical corresponding graduation mark (602) on two L-type steel plates (501).

8. the drilling special equipment of porous major axis according to claim 1, it is characterised in that：On the clamp base (1401) Screw rod mounting seat (1406) is provided with, the screw rod mounting seat (1406) is the hollow rectangular structure of both sides insertion, its two ends It is provided with rolling bearing；One end of screw rod (1405) sequentially passes through the rolling bearing at two ends, and the other end is fixedly welded with hex nut, So as to by screw rod (1405), rotatably located at screw rod mounting seat (1406) inside, the screw thread of screw rod (1405) stretches out screw rod The through hole of mounting seat (1406) both sides and with sliding sleeve (1407) thread connection covered in screw rod mounting seat (1406), drive slide Set (1407) is moved back and forth.

9. the drilling special equipment of porous major axis according to claim 8, it is characterised in that：The both sides of the sliding sleeve (1407) Screw-threaded counterbore (1408) is arranged with, dogbolt is screwed into the screw-threaded counterbore (1408) and by screw rod (1405) radial direction dieback, A cylindric rubber blanket for stretching out its end face is embedded with the end face that is screwed into of the dogbolt.

10. the drilling special equipment of porous major axis according to claim 1, it is characterised in that：The chuck towards drill bit One end is additionally provided with drill bushing (1409), and the drill bushing (1409) is connected as a single entity with the lower deck (1404), and drill bushing (1409) with The deck (1404) for being provided with arc groove is coaxial.