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 special drilling equipment for porous long axis

technical field

The utility model belongs to the technical field of mechanical processing, in particular to a drilling device for shaft parts.

Background technique

In mechanical processing, it is often encountered in the processing of long shafts or pipe parts, the most common of which is to drill holes on the shaft. Because the shaft is relatively long, usually two meters or three meters, or even longer, this If you use general-purpose equipment to drill holes, it may greatly exceed the working movement size of the machine tool, resulting in failure to clamp, or the actuator, such as insufficient travel of the workbench guide rail; if you use CNC equipment, use the tool connected to the spindle ( Drill bit) moves to drill a series of holes with different positions, and then also faces the limitation of the main shaft movement stroke. At this time, if these general-purpose equipment are improved, the cost is huge, and the economy and adaptability are all poor.

Utility model content

The purpose of the utility model is to solve the above-mentioned technical problems, and provide a special equipment for drilling long shafts with holes. The equipment is simple in structure, easy to manufacture, low in cost, strong in maneuverability, and is suitable for drilling long shaft parts.

The technical scheme of the utility model is as follows:

A special device for drilling a porous long shaft, including a machine base, a fixture on the machine base for clamping the long shaft, and a gun drill module for drilling holes on the long shaft;

The clamp includes a support frame, and the support frame includes a pair of right-angled L-shaped steel plates symmetrically arranged on the left and right. A rib plate in the shape of a right-angled triangle is arranged between the two right-angled plates of the L-shaped steel plate. A support plate is fixedly clamped between the vertical plates, and the top of the support plate is provided with a notch in the shape of an isosceles trapezoid. There is a baffle plate used to withstand the end face of the long axis, and an adjusting bolt that can withstand the end face of the long axis is provided through the baffle plate, and a pressing plate that can be parallel to the bottom of the notch is provided directly above the opening of the notch, and the pressing plate is The upper horizontal plate of the Z-shaped plate, the middle position of the lower horizontal plate of the Z-shaped plate is hinged with the hinge shaft fixed on the support plate, the end of the lower horizontal plate is hinged with the top end of the first hydraulic rod vertically arranged, and the first hydraulic rod is hinged. A hydraulic cylinder of a hydraulic rod is fixed on the rear side of the support plate;

The gun drill module includes a gun drill, a gun drill mounting seat for installing the gun drill, and a second hydraulic rod. There are two second hydraulic rods, and the two second hydraulic rods are located directly below the centerline of the clamp mounting seat , the top of each second hydraulic rod is hinged with the bottom of the clamp mounting seat, a support screw is vertically arranged in the middle position between the two second hydraulic rods, and a fastening nut is screwed on the support screw, and the fastening nut The upper support screw is movably covered with a support cylinder, and the top of the support cylinder is fixed with a support shaft perpendicular to the axis of the fixture and parallel to the fixture mounting seat;

The gun drill mount includes a gun drill fixture and a sliding seat for clamping the gun drill;

The gun drill fixture includes a fixture base and a tailstock and a jacket arranged on the fixture base, and the jacket includes an upper clamping seat and a lower clamping seat that can form a circular clamping hole after being combined with each other; the tailstock The arc groove of the gun drill matches the arc protrusion at the end of the gun drill, and the arc protrusion is bitten tightly, and the neck of the gun drill bit end is clamped by the upper clamping seat and the lower clamping seat, so that the gun drill is installed The clip is fixed and the handle of the gun is facing upward; the slide includes a slide base and a ram arranged on the slide base, the slide is provided with a slider that can slide freely along it, and the slide is fixed with the A fixture base, one end of the fixture base is connected to the third hydraulic rod;

The clamps are all arranged on one side of the machine base, and the notches of all the clamps are on the same horizontal line, thereby clamping the long axis; the gun drill modules are arranged on both sides of the long axis, and each gun drill The drill bits of the modules are all pointing towards the long axis.

Further, the notch is set on the clamping block, the clamping block is a square steel plate with the notch at the top, and a countersunk screw hole and a pin hole are provided at the bottom of the notch, and the clamping block and the support plate The top end is secured with pin positioning and bolt connections.

Further, a connecting plate is respectively connected to both sides of the middle position of the lower horizontal plate of the Z-shaped plate, the upper ends of the two connecting plates are respectively connected with taper pins on both sides of the lower horizontal plate, and the lower ends are respectively sleeved on the hinged pins. The two ends of the shaft are connected with the two ends of the hinge shaft through a wedge key.

Further, a buffer rubber pad is provided on the side where the bottom surface of the pressing plate is in contact with the long axis, and an isosceles trapezoidal rubber pad is embedded in the gap.

Further, the L-shaped steel plate and the supporting plate are connected by bolts, and the bolt holes are all vertical strip holes.

Further, the second hydraulic rod is provided with a concave scale, and the scale value is laser engraved on the corresponding scale.

Further, the front sides of the two L-shaped steel plates are provided with mutually symmetrical scale lines, and an indicating arrow is provided on the outer surface of the support plate between the two L-shaped steel plates; the adjustment support plate moves between the two L-shaped steel plates , the direction of the arrow of the indicating arrow can be collinear with the symmetrical corresponding scale lines on the two L-shaped steel plates.

Further, the base of the clamp is provided with a screw mounting seat, the screw mounting seat is a hollow cuboid structure penetrating on both sides, and rolling bearings are provided at both ends; one end of the screw rod passes through the rolling bearings at both ends in turn, and the other end is fixedly welded There are hex nuts, so that the screw can be freely rotated inside the screw mounting seat, the thread of the screw extends out of the through holes on both sides of the screw mounting seat and is threadedly connected with the sliding sleeve covered on the screw mounting seat, driving the sliding sleeve to move back and forth .

Further, both sides of the sliding sleeve are provided with threaded counterbore symmetrically, and the stop bolt is screwed into the threaded counterbore to push the screw rod radially to death. A cylindrical rubber pad protruding from its end face.

Further, the end of the jacket facing the drill bit is also provided with a drill sleeve, the drill sleeve is integrally connected with the lower clamp, and the drill sleeve is coaxial with the clamp provided with the arc groove.

Beneficial effects of the utility model: the utility model adopts the organic combination of the clamp and the gun drill module through modular design. The structure of the clamp and the gun drill module is simple and compact, which is convenient for installation and manufacture. Each module and the clamp can be independent of each other. When in use, it can be flexibly installed at different positions of the base according to needs, so as to form different clamping and drilling systems, and perform fast one-time drilling and forming of shafts with different processing requirements.

Among them, the fixture in the utility model can flexibly adjust the clamping height of the fixture through the bolt connection between the two L-shaped steel plates and the support plate, and use the Z-shaped plate as a lever to compress the shaft parts in the gap, combined with the long The baffle on one side of the support plate at both ends of the shaft pushes one end of the shaft against a baffle, and the other end is tightened by the adjusting bolt, so that the shaft is firmly and reliably clamped and fixed. When in use, just fix the bottom of the L-shaped steel plate on the corresponding equipment in the form of bolts, etc., which can be used for flexible and stable clamping of shaft parts, especially the long shaft, and can be installed and fixed on the workbench of various equipment for use. , strong versatility.

The gun drill module in the utility model uses a common pistol drill as a drill bit, adopts a tailstock with an arc groove, an upper deck, and a lower deck to realize the clamping of the gun drill, and is equipped with a slider and a ram The sliding seat is used to realize the reciprocating movement of the base, thereby driving the gun drill to automatically and rapidly feed; and under the manual fine-tuning of the supporting screw, the small amount of manual feed of the gun drill is realized. The utility model realizes the adjustment of the inclination position of the installation base through the expansion and contraction height difference of the two second hydraulic rods, thereby realizing the adjustment of the installation inclination angle of the gun drill; A support screw is set in the middle between them. By adjusting the fastening nut on the support screw, the support cylinder on the support screw is pushed up so as to contact and support the gun drill mounting seat. Here, the manual screw nut is used. The reason for not using another identical second hydraulic rod is to avoid the high pressure of the hydraulic rod directly colliding with the gun drill mounting base, and damage the hinge structure between the two second hydraulic rods and the bottom of the gun drill mounting base . When in use, when the telescopic height difference of the two second hydraulic rods is determined, and the installation height and inclination of the gun drill are determined, the support cylinder can be pushed up and the height of the two second hydraulic rods can be slightly lowered as required, so that the gun drill installation base and The weight of the gun drill is mainly transferred to the supporting screw to protect the above-mentioned hinged structure. The gun drill module can be flexibly installed on the corresponding equipment as an independent tool (drill), only need to install the second hydraulic rod and the screw rod at the appropriate position of the corresponding equipment, and can quickly process the parts that need to process holes. Matching processing, its modular design has strong versatility.

It can be seen that the utility model has the advantages of simple structure, convenient manufacture, low cost and strong maneuverability. Drilling of shaft parts.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a top view of the utility model.

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

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

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

Fig. 6 and Fig. 7 are structural schematic diagrams of the fixture provided with baffles.

Fig. 8 is an enlarged view of II in Fig. 6 .

Fig. 9 is an enlarged view of place I in Fig. 6 .

Fig. 10 is a schematic structural view of the gun drill module.

Fig. 11 is a structural schematic diagram of a gun drill mounting seat provided with a gun drill.

Fig. 12 is a structural schematic diagram of a gun drill fixture provided with a gun drill.

Fig. 13 is a schematic diagram of the installation structure of the screw, the sliding sleeve and the screw mounting seat in the gun drill fixture.

FIG. 14 is a side view of the structure shown in FIG. 13 .

detailed description

The implementation of the present utility model is illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

As shown in Figures 1-5, a special equipment for drilling a porous long shaft, including a machine base 1 and a clamp 3 for clamping the long shaft 2 on the machine base 1 and for clamping the long shaft 2 Gun drill module 4 for drilling holes.

As shown in Figures 6-9, the clamp 3 includes a support frame 5, and the support frame 5 includes a pair of right-angled L-shaped steel plates 501 arranged symmetrically on the left and right. A rib plate 502 in the shape of a right triangle, a support plate 6 is fixedly sandwiched between the vertical plates of the two L-shaped steel plates 501, the top of the support plate 6 is provided with a notch 601 in the shape of an isosceles trapezoid, and the end of the long axis 2 Installed in the notch 601, a baffle 7 is respectively provided on one side of the notch 601, and a baffle 7 for supporting the end face of the long axis 2 is also provided on the side of the notch 601 of the fixture 3 located at both ends of the long axis 2. An adjusting bolt 12 that can withstand the end face of the major axis 2 is provided through the baffle plate 7 . A pressing plate 8 parallel to the bottom of the notch 601 is provided directly above the opening of the notch 601. The pressing plate 8 is the upper horizontal plate of the Z-shaped plate, and the middle position of the lower horizontal plate of the Z-shaped plate is fixed on the support plate 6. The hinge shaft 10 is hinged, the end of the lower horizontal plate is hinged with the top of the first hydraulic rod 11 vertically arranged, and the hydraulic cylinder of the first hydraulic rod 11 is fixed on the rear side of the support plate 6 .

As shown in Figures 10-12, the gun drill module 4 includes a gun drill 12, a gun drill mount 13 for installing the gun drill 12, and a second hydraulic rod 16, and the second hydraulic rod 16 is provided with two, two second hydraulic rods. The two hydraulic rods 16 are located directly below the center line of the clamp mount 13 (the axis of the clamp 12), and the top of each second hydraulic rod 16 is hinged with the bottom of the clamp mount 13. The middle position between 16 is vertically provided with support screw rod 17, is screwed with tightening nut 18 on the support screw rod 17, is movably covered with support tube 19 on the support screw rod 17 above the clamp nut 18, and the top of support tube 19 is fixed with The supporting shaft 20 is perpendicular to the axis of the clamp 12 and parallel to the clamp mount 13 . The gun drill mount 13 includes a gun drill clamp 14 and a sliding seat 15 for clamping the gun drill 12 . The gun drill fixture 14 includes a fixture base 1401, a tailstock 1402 and a jacket disposed on the fixture base 1401, and the jacket includes an upper clamping seat 1403 and a lower clamping seat that can form a circular clamping hole after being combined with each other 1404; the arc groove of the tailstock 1402 is matched with the arc protrusion 1201 at the tail end of the gun drill 12, and the arc protrusion 1201 is clamped tightly, and the neck 1202 of the drill end of the gun drill 12 is held by the upper clamping seat 1403 and the lower clamping seat 1404 are clamped, thereby the gun drill 12 is clamped and fixed and its gun handle 1203 faces upward. The slide 15 includes a slide base 1501 and a ram 1503 arranged on the slide base 1501, the ram 1503 is provided with a slider 1504 that can slide freely along it, the slide 1504 is fixed with the clamp A base 1401 , one end of the fixture base 1401 is connected with a third hydraulic rod 1502 . The clamps 3 are all arranged on one side of the machine base 1, and the gaps 601 of all the clamps 3 are on the same horizontal line, thereby clamping the long axis 2; side, and the drill bit of each gun drill module 4 points to the long axis 2.

Further, the notch 601 is set on the clamp block 600, the clamp block 600 is a square steel plate with the notch 601 at the top, and a countersunk screw hole 60101 and a pin hole 60102 are provided at the bottom of the notch 601, so that The clamping block 600 and the top of the support plate 6 are fixed by pin positioning and bolt connection. Because the notch 601 is often in contact with the workpiece, it is a vulnerable part; and because its shape and structure accuracy is related to the clamping and positioning accuracy of the long axis 2, it needs frequent maintenance. Here, the notch 601 is specially set in a separate On the clamp block 600, the structural position accuracy of the tooling is ensured through pin positioning, and the bolts realize quick-release connection and fixation, improving reliability and service life.

Further, a connecting plate 9 is respectively connected to both sides of the middle position of the lower horizontal plate of the Z-shaped plate, and the upper ends of the two connecting plates 9 are respectively connected with the taper pins 901 on both sides of the lower horizontal plate, and the lower ends are respectively sleeved on The two ends of the hinge shaft 10 are connected with the two ends of the hinge shaft 10 through wedge keys 1001 . Two connecting plates 9 are used to realize the hinge connection between the Z-shaped plate and the hinge shaft 10 through the taper pin 901 and the wedge key 1001, and its mechanical properties are more stable, because the hinge shaft 10 here cooperates with the first hydraulic rod 11 as a lever principle. If the fulcrum is used, its mechanical stability must be good, otherwise it will easily occur that the pressing plate 8 cannot press the long axis 2 firmly, which will seriously affect the clamping performance of the fixture 3.

Further, the bottom surface of the pressing plate 8 is provided with a buffer rubber pad 801 on the side where the long axis 2 is in contact with, and an isosceles trapezoidal rubber pad 604 is embedded in the gap 601, so as to avoid scratching the long axis 2 during clamping. The surface has cushioning and vibration reduction at the same time, which prevents the major axis 2 from slipping and rotating, and keeps the clamping stable and reliable.

Further, the L-shaped steel plate 501 and the support plate 6 are connected by bolts, and the bolt holes are all vertical strip holes 50101 . In order to adjust the height position of the support plate 6, thereby adjusting the clamping height of the workpiece.

Further, the second hydraulic rod 16 is provided with a concave scale 1601, and the corresponding scale 1601 is laser engraved with a scale value. Since the two second hydraulic rods 16 are hinged to the bottom of the gun drill 1 mounting base 13, the installation inclination of the mounting base 13 can be realized by adjusting the telescopic length difference of the two hydraulic rods, so that the drill bit is aligned with the difference in the long axis 2. Position, drill the holes at different positions; the concave scale 1601 and the corresponding scale value are used here to facilitate the confirmation of the installation inclination angle of the installation base 13, and the angle value is the height difference between the two hydraulic telescopic rods and the distance between the two hydraulic rods The arc tangent of the ratio.

Further, mutually symmetrical scale lines 602 are provided on the front sides of the two L-shaped steel plates 501, and indicator arrows 603 are provided on the outer side of the support plate 6 between the two L-shaped steel plates 501; When moving between the L-shaped steel plates 501 , the arrow direction of the indicating arrow 603 can be collinear with the symmetrical corresponding scale lines 602 on the two L-shaped steel plates 501 . This design is to make the support plate 6 rise and fall accurately in the vertical direction when using the above-mentioned strip-shaped hole 50101 with the bolt to adjust the support plate 6, so as to ensure that the setting position of the notch 601 for clamping is accurate; because when adjusting, it can According to whether the indicating arrow 603 is collinear with a group of symmetrical scale lines 602 on the two L-shaped steel plates 501 , it is determined that the support plate 6 is lifted and lowered accurately in the vertical direction.

Further, as shown in Figures 13-14, the clamp base 1401 is provided with a screw mounting base 1406, and the screw mounting base 1406 is a hollow cuboid structure penetrating on both sides, and rolling bearings are provided at both ends; the screw rod 1405 One end passes through the rolling bearings at both ends in turn, and the other end is fixedly welded with a hexagonal nut, so that the screw 1405 is freely rotatably arranged inside the screw mounting seat 1406, and the threads of the screw 1405 protrude from the through holes on both sides of the screw mounting seat 1406 to connect with the cover. The sliding sleeve 1407 on the screw mounting base 1406 is threadedly connected to drive the sliding sleeve 1407 to move back and forth. The hollow structure of the screw mounting seat 1406 provided here can perfectly install the screw 1405 on the fixture of the gun drill 1, and manually adjust the gun drill 1 to approach or move away from the long axis 2 by twisting the welded hex nut, and the screw 1405 and the The threaded sliding sleeve 1407 cooperates and has a fine-tuning function, so that the adjustment accuracy is higher.

Further, both sides of the sliding sleeve 1407 are symmetrically provided with threaded counterbores 1408, and stop bolts (not shown in the figure) are screwed into the threaded counterbores 1408 to radially push the screw rod 1405 to death. The screwing-in end face of moving bolt is embedded with a cylindrical rubber pad (not shown) that stretches out its end face. To avoid the gun drill 1 being adjusted in place, the gun drill 1 shakes or even the screw rod 1405 slips due to the excessive gap between the threads or the excessive drilling force during drilling, and the stop bolt is used to tighten the screw rod 1405 to prevent When the screw 1405 rotates slightly, the screw 1405 and the sliding sleeve 1407 are more closely connected together to prevent the gun drill from shaking; in addition, the cylindrical rubber pad can tightly wrap the thread of the screw 1405 to more effectively prevent the screw 1405 from turn.

Further, the end of the jacket facing the drill bit is also provided with a drill sleeve 1409, the drill sleeve 1409 is processed by heat-treated steel, has high hardness and strong wear resistance, and the drill sleeve 1409 and the lower The deck 1404 is connected as a whole, and the drill bushing 1409 is coaxial with the deck 1404 provided with arc grooves, so that after the gun drill 1 is installed, the drill bit can directly extend into the drill bushing 1409, so that the drill bit can be drilled when drilling. It plays an important role in guiding and preventing the deflection of the drill bit.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (10)

1. A special device for drilling a porous long shaft, characterized in that: it comprises a support (1) and a clamp (3) for clamping the long shaft (2) on the support (1) and a A gun drill module (4) for drilling holes on the major axis (2); The clamp (3) includes a support frame (5), and the support frame (5) includes a pair of right-angled L-shaped steel plates (501) symmetrically arranged left and right, between the two right-angled plates of the L-shaped steel plate (501). A rib plate (502) in the shape of a right triangle is provided, and a support plate (6) is fixedly sandwiched between the vertical plates of the two L-shaped steel plates (501), and the top of the support plate (6) is provided with an isosceles trapezoid shape. The notch (601), the long shaft (2) is installed in the notch (601), and the clamps (3) located at both ends of the long shaft (2) are also provided with a support for the long shaft (601) on one side of the notch (601). 2) The baffle plate (7) on the end face, the adjustment bolt (12) that can withstand the end face of the long axis (2) is provided through the said baffle plate (7), and the opening of the notch (601) is directly above the opening A pressing plate (8) that can be parallel to the bottom of the notch (601), the pressing plate (8) is the upper horizontal plate of the zigzag plate, and the middle position of the lower horizontal plate of the zigzag plate is fixed to the hinge on the support plate (6) The shaft (10) is hinged, the end of the lower horizontal plate is hinged with the top end of the vertically arranged first hydraulic rod (11), and the hydraulic cylinder of the first hydraulic rod (11) is fixed on the rear side of the support plate (6); The gun drill module (4) includes a gun drill (12), a gun drill mount (13) for installing the gun drill (12) and a second hydraulic rod (16), and the second hydraulic rod (16) is provided with two root, two second hydraulic rods (16) are located directly below the center line of the clamp mount (13), and the top of each second hydraulic rod (16) is hinged to the bottom of the clamp mount (13), The middle position between two second hydraulic rods (16) is vertically provided with support screw rod (17), is screwed with fastening nut (18) on the support screw rod (17), the support screw rod (18) top of fastening nut (18) 17) A supporting cylinder (19) is movably sleeved on the top, and the top end of the supporting cylinder (19) is fixed with a supporting shaft (20) perpendicular to the axis of the clamp (12) and parallel to the clamp mounting seat (13); The gun drill mount (13) includes a gun drill fixture (14) and a sliding seat (15) for clamping the gun drill (12); The gun drill fixture (14) includes a fixture base (1401), a tailstock (1402) and a jacket disposed on the fixture base (1401), and the jacket includes a combination that can form a circular clamping hole. Upper deck (1403) and lower deck (1404); the arc groove of the tailstock (1402) matches the arc protrusion (1201) at the tail end of the gun drill (12), and the arc protrusion (1201) bites tightly, and the neck (1202) of the drill end of the gun drill (12) is clamped by the upper deck (1403) and the lower deck (1404), thereby the gun drill (12) is clamped and fixed and its gun drill The handle (1203) faces upwards; the slide (15) includes a slide base (1501) and a ram (1503) arranged on the slide base (1501), the ram (1503) is provided with a Its freely sliding slide block (1504), the slide block (1504) is fixed with the clamp base (1401), and one end of the clamp base (1401) is connected with the third hydraulic rod (1502); The clamps (3) are all arranged on one side of the machine base (1), and the gaps (601) of all the clamps (3) are on the same horizontal straight line, thereby clamping the long axis (2); the gun The drill modules (4) are arranged on both sides of the major axis (2), and the drill bit of each gun drill module (4) points to the major axis (2). 2. The special equipment for drilling a porous long axis according to claim 1, characterized in that: the gap (601) is set on the clamping block (600), and the clamping block (600) is provided with the The square steel plate of the notch (601) is provided with a countersunk screw hole (60101) and a pin hole (60102) at the bottom of the notch (601), and the top of the clamp block (600) and the support plate (6) is positioned by a pin and Bolt connection is fixed. 3. according to claim 1, the special drilling equipment of the porous long axis is characterized in that: the both sides of the middle position of the lower horizontal plate of the zigzag plate are respectively connected with a connecting plate (9), two connecting plates ( 9) The upper ends are respectively connected with the taper pins (901) on both sides of the lower horizontal plate, and the lower ends are respectively sleeved on the two ends of the hinge shaft (10) and connected with the two ends of the hinge shaft (10) through the wedge key (1001) connect. 4. The special equipment for drilling a porous long axis according to claim 1, characterized in that: a buffer rubber pad (801) is provided on the bottom surface of the pressing plate (8) connected to the long axis (2), and the An isosceles trapezoidal rubber pad (604) is embedded in the notch (601). 5. The special equipment for drilling a porous long axis according to claim 1, characterized in that: the L-shaped steel plate (501) and the support plate (6) are connected by bolts, and the bolt holes are all set vertically strip hole (50101). 6. The special equipment for drilling a porous long shaft according to claim 1, characterized in that: the second hydraulic rod (16) is provided with a concave scale (1601), and the corresponding scale (1601) is laser engraved with a scale value. 7. according to claim 5, the special equipment for drilling the porous long axis, is characterized in that: the front sides of the two L-shaped steel plates (501) are provided with mutually symmetrical scale marks (602), between the two L-shaped steel plates ( 501) on the outer surface of the support plate (6) is provided with an indicator arrow (603); when the adjustment support plate (6) moves between the two L-shaped steel plates (501), the arrow of the indicator arrow (603) The direction can be collinear with the symmetrical corresponding scale lines (602) on the two L-shaped steel plates (501). 8. The special equipment for drilling a porous long shaft according to claim 1, characterized in that: the clamp base (1401) is provided with a screw mounting seat (1406), and the screw mounting seat (1406) is penetrated on both sides It is a hollow cuboid structure with rolling bearings at both ends; one end of the screw (1405) passes through the rolling bearings at both ends in turn, and the other end is fixedly welded with a hex nut, so that the screw (1405) can be freely rotated on the screw mounting seat ( 1406) inside, the threads of the screw rod (1405) protrude from the through holes on both sides of the screw rod mounting seat (1406) and are threadedly connected with the sliding sleeve (1407) covered on the screw rod mounting seat (1406), driving the sliding sleeve (1407) to reciprocate move. 9. According to claim 8, the special equipment for drilling a porous long axis, characterized in that: the two sides of the sliding sleeve (1407) are symmetrically provided with threaded counterbores (1408), and the stop bolts are screwed into the threaded counterbores Screw rod (1405) is pressed radially in (1408), and a cylindrical rubber pad protruding from its end face is embedded in the screwed-in end face of the stop bolt. 10. The special equipment for drilling a porous long shaft according to claim 1, characterized in that: a drill sleeve (1409) is provided at the end of the jacket towards the drill bit, and the drill sleeve (1409) is connected to the lower The deck (1404) is connected as a whole, and the drill sleeve (1409) is coaxial with the deck (1404) provided with the arc groove.