CN116393735A

CN116393735A - Accurate drilling equipment of elevator voussoir

Info

Publication number: CN116393735A
Application number: CN202310664675.5A
Authority: CN
Inventors: 张发达; 温汝荣; 张发才
Original assignee: Botou Hengfa Machinery Manufacturing Co ltd
Current assignee: Botou Hengfa Machinery Manufacturing Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-07-07
Anticipated expiration: 2043-06-07
Also published as: CN116393735B

Abstract

The invention discloses accurate drilling equipment for elevator wedges, and relates to the technical field of drilling equipment for elevator accessories. The elevator wedge block accurate drilling processing equipment comprises a base table, wherein an L-shaped frame is fixedly connected to the upper end face of the base table, a transverse section lower end face of the L-shaped frame is fixedly connected with a transverse plate through an electric telescopic rod, a drill rod is installed on the lower end face of the transverse plate, a mounting plate is fixedly connected to the front end face of a vertical section of the L-shaped frame, a marking mechanism used for being matched with the drill rod is arranged on the front end face of the mounting plate, racks meshed with gears are fixedly connected to the opposite sides of the two sliding blocks together, and clutch components used for controlling the racks to be meshed with or separated from the gears are installed on the front end face of the mounting plate.

Description

Accurate drilling equipment of elevator voussoir

Technical Field

The invention relates to the technical field of elevator accessory drilling equipment, in particular to elevator wedge block accurate drilling equipment.

Background

The function of the wedge block is generally used for locking and stopping the clutch, for example, when the outer ring rotates anticlockwise relative to the inner ring, the wedge block is pushed to incline, a certain space is reserved between the inner ring and the outer ring, so that the clutch cannot be locked, the elevator wedge block is generally used for being matched with a guide rail as a fitting in an elevator speed limiter, the emergency braking function is achieved when an elevator runs out of control, and a hole for installation needs to be drilled in the elevator wedge block during the manufacturing and processing process of the elevator wedge block.

The existing drilling equipment is used for directly contacting the drill bit with the elevator wedge block to drill, when the drilling position is on the inclined plane of the elevator wedge block, the drill bit is easy to slip in the drilling process, the drill bit is caused to damage the surface of the wedge block, the drilling point is also caused to deviate, the drilling accuracy is affected, in addition, the existing drilling equipment is used for spending more time before machining to adjust the drilling point of the wedge block to be located under the drill rod, and the drilling speed is reduced.

Disclosure of Invention

The technical problems to be solved are as follows: the invention provides accurate drilling processing equipment for an elevator wedge block, which can solve the problems pointed out in the background technology.

The technical scheme is as follows: in order to achieve the aim, the invention adopts the following technical scheme that the elevator wedge block accurate drilling processing equipment comprises a bottom table, wherein the upper end surface of the bottom table is fixedly connected with an L-shaped frame, the lower end surface of a transverse section of the L-shaped frame is fixedly connected with a transverse plate through an electric telescopic rod, the lower end surface of the transverse plate is provided with a drill rod, the front end surface of a vertical section of the L-shaped frame is fixedly connected with a mounting plate, the front end surface of the mounting plate is provided with a marking mechanism matched with the drill rod, the upper end surface of the bottom table is provided with a calibrating mechanism which is positioned right below the drill rod, the marking mechanism comprises a slide cylinder, the front end surface of the mounting plate is provided with an angle adjusting unit, the front part of the angle adjusting unit is provided with a slide cylinder, the slide cylinder is internally and slidably connected with a push rod, the push rod and the slide cylinder are fixedly connected with a power storage spring sleeved outside the push rod, the lower end of the push rod is fixedly connected with a hemispherical knocking block, the utility model discloses a clutch device for controlling rack and gear engagement or separation, including a slide section, a mounting plate, a left side and a right side, a left side and a right side, a front end face of the mounting plate are respectively provided with a cam, a clamping tongue plate is fixedly connected with the lower end face of the slide section, a clamping hole is formed in the outer portion of the clamping tongue plate, a triangular clamping block matched with the clamping hole is arranged on the outer portion of the ejector rod in a sliding manner through a top spring, a trigger piece for triggering the ejector rod to move is arranged between the clamping tongue plate and a transverse plate, a rotating shaft is rotatably connected to the front end face of the mounting plate, a reel and a gear are sequentially and fixedly connected to the outer portion of the rotating shaft from back to front, a guy cable is fixedly connected to the outer portion of the reel and the upper end of the ejector rod together, a fixing frame is fixedly connected to the right portion of the lower end face of the transverse plate, a sliding block is symmetrically and fixedly connected with a sliding block from top to bottom through a sliding column, racks are fixedly connected to opposite sides of the sliding block respectively.

Further, the calibrating mechanism comprises a calibrating plate, the calibrating plate is connected with the upper end face of the base table in a front-back symmetrical sliding mode, two adjusting screws are connected with the opposite sides of the calibrating plate in a threaded mode, two inclined plates are fixedly connected with the upper end face of the calibrating plate, the inclined plates incline from bottom to top gradually towards sides close to the axis of the drill rod, the lower end face of the transverse plate is connected with a sliding box corresponding to the inclined plates through a fixing rod in a front-back symmetrical mode, a sliding block is connected inside the sliding box in a sliding mode through a pressure spring, and the lower end face of the sliding block is connected with an extrusion column matched with the inclined plates through a protruding rod in a fixedly mode.

Further, the angle modulation unit comprises an adjusting ring, the front end face of the mounting plate is rotationally connected with the adjusting ring through a rotating shaft, a plurality of scale grooves are formed in the circumference of the adjusting ring at equal intervals, and the front end face of the mounting plate is fixedly connected with a locking piece matched with the scale grooves through a spring telescopic column.

Further, the trigger piece includes protruding clamp plate, protruding clamp plate that the lug cooperation torsional spring is articulated to clamp plate upper portion has and the card hole corresponds, terminal surface fixedly connected with is connected with the L shape pole that corresponds with protruding clamp plate under the diaphragm, L shape pole horizontal section front end articulates has and is used for with protruding clamp plate complex pressure movable rod, the upper and lower symmetry fixedly connected with holds a position spring between L shape pole and the pressure movable rod.

Further, the clutch assembly comprises a first folding plate, the upper part of the front end face of the rack is fixedly connected with a first folding plate, the front end face of the mounting plate is fixedly connected with a first cylinder matched with the first folding plate through a connecting plate, the lower part of the right end face of the rack is fixedly connected with a second folding plate, and the front end face of the mounting plate is fixedly connected with a second cylinder matched with the second folding plate through a fixing plate.

Further, a return assembly is arranged at the lower part of the front end face of the adjusting ring, the return assembly comprises a tube, the tube is fixedly connected with the front part of the adjusting ring, a piston is connected inside the tube in a sliding manner, and the lower end of the piston is fixedly connected with an L-shaped deflector rod matched with the triangular clamping block.

Further, the fixing frame is of an inverted F shape, a group of sliding columns are fixedly connected to the rear end faces of the two transverse sections of the fixing frame, the outer parts of the sliding columns are connected with the sliding blocks in a sliding mode, and limiting blocks are fixedly connected to the rear ends of the sliding columns.

Further, the inner cavity of the sliding block is symmetrically and fixedly connected with an arc friction plate attached to the sliding column through a top spring.

The beneficial effects are that: (1) The ejector rod is triggered to move downwards rapidly in the process of descending the drill rod to drill holes, the drill rod contacts the inclined surface of the wedge block, and the drilling points are knocked out of the grooves, so that the drill rod is positioned conveniently in the process of drilling holes, the situation that the elevator wedge block is scratched due to sliding of the drill rod in the drilling process is avoided, and meanwhile, the drilling accuracy is improved.

(2) Through the combination of locking piece and adjusting ring, utilize the adjusting ring can adjust the angle of inclination of ejector pin when drilling the elevator voussoir of different angles of inclination for the inclined plane of ejector pin perpendicular to elevator voussoir is applicable to the elevator voussoir of processing different specification shapes, has improved the suitability of device.

(3) When the drill rod moves downwards, the front calibration plate and the rear calibration plate are driven to move close to each other through the combination of the extrusion column and the inclined plate, and then the elevator wedge block is pushed to move, so that the drilling point of the elevator wedge block can be rapidly located under the drill rod, the tedious step of adjusting the position of the elevator wedge block is omitted, and the drilling efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of a right view angle mounting structure of the marking mechanism of the present invention.

FIG. 3 is a schematic diagram of a left view angle mounting structure of the marking mechanism of the present invention.

Fig. 4 is a schematic view of the installation structure of the angle adjusting unit of the present invention.

Fig. 5 is an enlarged schematic view of the structure of the portion a in fig. 4 according to the present invention.

FIG. 6 is a schematic view of the clutch assembly mounting structure of the present invention.

FIG. 7 is a schematic cross-sectional view of the joint of the slider and the strut of the present invention.

In the figure: 1. a base table; 2. an L-shaped frame; 3. an electric telescopic rod; 4. a cross plate; 5. a drill rod; 6. a mounting plate; 7. a marking mechanism; 71. a slide cylinder; 72. a push rod; 73. a power storage spring; 74. a hemispherical knocking block; 75. a tongue clamping plate; 76. a clamping hole; 77. triangular clamping blocks; 78. a reel; 79. a gear; 710. a guy cable; 711. a fixing frame; 712. a spool; 713. a sliding block; 714. a rack; 7a, an angle adjusting unit; 7a1, a regulating ring; 7a2, scale grooves; 7a3, locking piece; 7b, a trigger piece; 7b1, convex pressing plate; 7b2, L-shaped bar; 7b3, pressing the rod; 7b4, a holding spring; 7c, a clutch assembly; 7c1, a first folding plate; 7c2, column number one; 7c3, a second folding plate; 7c4, a second cylinder; 8. a calibration mechanism; 81. a calibration plate; 82. an adjusting screw; 83. an inclined plate; 84. a slide box; 85. an extrusion column; 9. a return assembly; 91. a tube; 92. a piston; 93. an L-shaped deflector rod; 10. a top spring; 11. arc friction disc.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an accurate drilling equipment of elevator voussoir, includes base table 1, base table 1 up end fixedly connected with L shape frame 2, and terminal surface is through electric telescopic handle 3 fixedly connected with diaphragm 4 under the horizontal section of L shape frame 2, and drilling rod 5,L shape frame 2 vertical section preceding terminal surface fixedly connected with mounting panel 6 is installed to the terminal surface under diaphragm 4, and terminal surface is provided with and is used for with drilling rod 5 complex marking mechanism 7 before the mounting panel 6, and base table 1 up end just is located and installs calibrating mechanism 8 under the drilling rod 5.

Referring to fig. 1, in this embodiment, the calibration mechanism 8 includes a calibration plate 81, the upper end surface of the base table 1 is slidably connected with the calibration plate 81, opposite sides of the two calibration plates 81 are both screwed with adjusting screws 82, the upper end surfaces of the two calibration plates 81 are both fixedly connected with inclined plates 83, the inclined plates 83 incline from bottom to top gradually toward the side close to the axis of the drill rod 5, the lower end surface of the transverse plate 4 is fixedly connected with a sliding box 84 corresponding to the inclined plates 83 through a fixing rod, a sliding block is slidably connected inside the sliding box 84 through a compression spring, and the lower end surface of the sliding block is fixedly connected with an extrusion column 85 matched with the inclined plates 83 through a protruding rod.

Before the elevator wedge block is drilled, the adjusting screw 82 is rotated to extend, the transverse plate 4 descends to drive the sliding box 84 to descend while the electric telescopic rod 3 stretches to drive the drill rod 5 to descend to drill, the sliding box 84 then drives the extrusion column 85 to descend, the extrusion column 85 then extrudes the inclined planes of the inclined plates 83 mutually to enable the two calibration plates 81 to move close to each other, the calibration plates 81 then drive the adjusting screw 82 to abut against the elevator wedge block, the drilling point of the elevator wedge block is located under the drill rod 5, the elevator wedge block is conveniently and rapidly adjusted, the drilling speed is improved, meanwhile, the extrusion column 85 and the inclined plates 83 are matched with each other to drive the calibration plates 81 to move close to each other, the elevator wedge block can be firmly clamped, the stability of the elevator wedge block during the drilling process is enhanced, and the situation that the elevator wedge block moves due to vibration in the drilling process is avoided.

Referring to fig. 2, 3, 4 and 7, in this embodiment, the marking mechanism 7 includes a sliding cylinder 71, a front end face of the mounting plate 6 is provided with an angle adjusting unit 7a, the angle adjusting unit 7a includes an adjusting ring 7a1, the front end face of the mounting plate 6 is rotationally connected with the adjusting ring 7a1 through a rotation shaft, a plurality of scale grooves 7a2 are equidistantly arranged outside the circumference of the adjusting ring 7a1, the front end face of the mounting plate 6 is fixedly connected with a locking piece 7a3 matched with the scale grooves 7a2 through a spring telescopic column, the front part of the angle adjusting unit 7a is provided with the sliding cylinder 71, a push rod 72 is slidably connected inside the sliding cylinder 71, the push rod 72 and the sliding cylinder 71 are fixedly connected with a power accumulating spring 73 sleeved outside the push rod 72, the lower end of the push rod 72 is fixedly connected with a hemispherical knocking block 74, the lower end face of the sliding cylinder 71 is fixedly connected with a blocking plate 75, a blocking hole 76 is arranged outside the blocking plate 75, the outside of the ejector rod 72 is slidably connected with a triangular clamping block 77 matched with a clamping hole 76 through a top spring 10, a triggering piece 7b used for triggering the ejector rod 72 to move is arranged between the clamping tongue plate 75 and the transverse plate 4, the front end surface of the mounting plate 6 is rotationally connected with a rotating shaft, the outside of the rotating shaft is sequentially and fixedly connected with a reel 78 and a gear 79 from back to front, the outside of the reel 78 and the upper end of the ejector rod 72 are fixedly connected with a guy cable 710 together, the right part of the lower end surface of the transverse plate 4 is fixedly connected with a fixing frame 711, the rear end surface of the transverse section of the fixing frame 711 is vertically and symmetrically and slidably connected with sliding blocks 713 through sliding columns 712, the fixing frame 711 is in an inverted F shape, the rear end surfaces of the two transverse sections of the fixing frame 711 are fixedly connected with a group of sliding columns 712, the rear end of each group of sliding columns 712 is fixedly connected with a limiting block, the inner cavity of the sliding blocks 713 is symmetrically and fixedly connected with arc-shaped friction plates 11 jointed with the sliding columns 712 through the top spring 10, the opposite sides of the two sliding blocks 713 are fixedly connected with racks 714 meshed with the gear 79, and the front end surface of the mounting plate 6 is provided with a clutch assembly 7c for controlling the racks 714 to be meshed with or separated from the gear 79.

Referring to fig. 4 and 5, the trigger piece 7b includes a convex pressing plate 7b1, the upper portion of the latch plate 75 is hinged with a convex pressing plate 7b1 corresponding to the latch hole 76 through a lug matching torsion spring, the lower end surface of the transverse plate 4 is fixedly connected with an L-shaped rod 7b2 corresponding to the convex pressing plate 7b1, the front end of the transverse section of the L-shaped rod 7b2 is hinged with a pressing rod 7b3 for matching with the convex pressing plate 7b1, and a position holding spring 7b4 is fixedly connected between the L-shaped rod 7b2 and the pressing rod 7b3 in an up-down symmetry manner.

Referring to fig. 3 and 6, the clutch assembly 7c includes a first folding plate 7c1, a first folding plate 7c1 is fixedly connected to an upper portion of a front end surface of the rack 714, a first cylinder 7c2 for being matched with the first folding plate 7c1 is fixedly connected to a front end surface of the mounting plate 6 through a connecting plate, a second folding plate 7c3 is fixedly connected to a lower portion of a right end surface of the rack 714, and a second cylinder 7c4 for being matched with the second folding plate 7c3 is fixedly connected to a front end surface of the mounting plate 6 through a fixing plate.

Referring to fig. 4 and 5, a return assembly 9 is mounted at the lower part of the front end surface of the adjusting ring 7a1, the return assembly 9 includes a tube 91, the tube 91 is fixedly connected to the front part of the adjusting ring 7a1, a piston 92 is slidably connected to the tube 91, and an L-shaped deflector rod 93 for cooperating with the triangular clamping block 77 is fixedly connected to the lower end of the piston 92.

Before the elevator wedge is drilled, the inclination angle of the ejector rod 72 is adjusted by utilizing the angle adjusting unit 7a according to the inclined angle of the wedge, a user manually pulls the locking piece 7a3 to move and separate from the adjusting ring 7a1, then the adjusting ring 7a1 is rotated to drive the sliding cylinder 71 to rotate, meanwhile, the inclination angle of the ejector rod 72 is measured in real time by using external measuring equipment until the ejector rod 72 is perpendicular to the inclined plane of the elevator wedge, then the locking piece 7a3 can be loosened, the adjusting ring 7a1 is locked in the scale groove 7a2 under the jacking of the spring telescopic column, and the initial state of the marking mechanism 7 before the drilling is as follows: the power accumulating spring 73 is in a compressed state, the triangular clamping block 77 is clamped into the clamping hole 76, the rack 714 is positioned in front of the gear 79, the two are in a separated state, then the electric telescopic rod 3 is controlled to stretch to drive the transverse plate 4 to descend, the transverse plate 4 drives the drill rod 5 to descend, the trigger piece 7b is triggered to operate after the transverse plate 4 descends to a certain distance, the transverse plate 4 drives the L-shaped rod 7b2 to descend, the L-shaped rod 7b2 drives the pressing rod 7b3 to abut against the convex pressing plate 7b1, the convex pressing plate 7b1 is pressed to rotate, the convex pressing plate 7b1 rotates to press the triangular clamping block 77 to retract into the ejector rod 72 to be separated from the clamping hole 76, then the ejector rod 72 is controlled to rapidly move downwards under the pushing action of the power accumulating spring 73 until the hemispherical knocking block 74 is driven to abut against the wedge inclined surface, the inclined surface wedge drilling point is knocked out of a groove, and the pressing rod 7b3 rotates along the hinging point to cross the clamping tongue plate 75.

The ejector rod 72 drives the stay cable 710 to move while moving downwards, the stay cable 710 is released from the outside of the reel 78, the ejector rod 72 drives the triangular block to abut against the L-shaped deflector rod 93 and drive the L-shaped deflector rod 93 to move in the extending movement process, the L-shaped deflector rod 93 then pulls the piston 92 to move, so that a negative pressure is formed between the piston 92 and the pipe barrel 91, after the hemispherical knocking block 74 strikes the wedge block, the piston 92 is pulled to move upwards under the action of the negative pressure cavity in the pipe barrel 91, the piston 92 then drives the ejector rod 72 to move upwards through the L-shaped deflector rod 93, so that the hemispherical knocking block 74 is separated from the wedge block, then the drill rod 5 begins to abut against the knocked groove on the inclined surface of the wedge block, drilling can be stably completed by means of the knocked groove, the situation that the drill rod 5 slides to cause damage is avoided, the accuracy of drilling is improved, the drill rod 5 completely drills through the rear transverse plate 4 then continues to drive the piston 92 to move downwards by a certain distance until the hemispherical knocking block 7c1 and the hemispherical knocking block 7c2 are abutted together, the hemispherical knocking block 7c2 and the cylindrical knocking 7c2 are mutually abutted against the inclined surface of the conical 7c1, and the conical 7c1 are mutually meshed with the conical spline 714, and the hemispherical knocking plate is meshed with the conical spline 79.

Then the electric telescopic rod 3 starts to shrink to drive the transverse plate 4 to rise, the transverse plate 4 then drives the rack 714 to rise through the fixing frame 711, the rack 714 rises to drive the gear 79 to rotate, the gear 79 drives the reel 78 to rotate to wind and retract the guy cable 710 through the rotating shaft, and then drives the ejector rod 72 to rise, so that the triangular clamping block 77 gradually approaches towards the clamping groove until the triangular clamping block 77 gradually clamps into the clamping groove, the second folding plate 7c3 and the second cylinder 7c4 are slowly abutted together in the process of clamping the triangular clamping block 77 into the clamping groove, the inclined planes of the second cylinder 7c4 and the second folding plate 7c3 mutually squeeze to push the rack 714 to gradually move forwards, the rack 714 is completely separated from the gear 79 after the triangular clamping block 77 is completely clamped into the clamping groove, the marking mechanism 7 is restored to the initial state before drilling, finally, the elevator wedge block after drilling is completed is taken down and put into the elevator to be drilled, and the step is repeated to perform drilling processing.

During operation, the elevator wedge is arranged under the drill rod 5, the calibration mechanism 8 is adjusted according to the position of a to-be-drilled hole, then the electric telescopic rod 3 is controlled to drive the transverse plate 4 to descend, the calibration mechanism 8 is driven to operate in the descending process of the transverse plate 4, so that the position of the elevator wedge is automatically adjusted, the drill hole is positioned under the drill rod 5, the marking mechanism 7 is operated, a groove is knocked out of the drill hole on the inclined plane of the elevator wedge, the drill rod 5 is conveniently fixed during drilling, the situation that the elevator wedge is damaged due to sliding of the drill rod 5 is avoided, and the drilling accuracy is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an accurate drilling equipment of elevator voussoir, includes base frame (1), its characterized in that: the device is characterized in that an L-shaped frame (2) is fixedly connected to the upper end face of the bottom frame (1), a transverse plate (4) is fixedly connected to the lower end face of the transverse section of the L-shaped frame (2) through an electric telescopic rod (3), a drill rod (5) is mounted on the lower end face of the transverse plate (4), a mounting plate (6) is fixedly connected to the front end face of the vertical section of the L-shaped frame (2), a marking mechanism (7) matched with the drill rod (5) is arranged on the front end face of the mounting plate (6), and a calibration mechanism (8) is mounted on the upper end face of the bottom frame (1) and located under the drill rod (5);

the marking mechanism (7) comprises a slide cylinder (71), an angle adjusting unit (7 a) is arranged on the front end surface of the mounting plate (6), a slide cylinder (71) is arranged on the front part of the angle adjusting unit (7 a), a push rod (72) is slidably connected inside the slide cylinder (71), a force accumulating spring (73) sleeved outside the push rod (72) is fixedly connected with the push rod (72) and the slide cylinder (71), a hemispherical knocking block (74) is fixedly connected with the lower end of the push rod (72), a clamping tongue plate (75) is fixedly connected with the lower end surface of the slide cylinder (71), a clamping hole (76) is formed in the outer part of the clamping tongue plate (75), a triangular clamping block (77) matched with the clamping hole (76) is slidably connected outside the push rod (72) through a top spring (10), a trigger piece (7 b) for triggering the push rod (72) to move is arranged between the clamping tongue plate (75) and the transverse plate (4), a rotating shaft is rotatably connected with the front end surface of the mounting plate (6), a rotating shaft is sequentially fixedly connected with a rolling wheel (78) and a gear (78) from the front end surface to the front end surface, a fixed frame (710) is fixedly connected with the upper end surface of the transverse plate (78) of the rotating shaft (710), the rear end face of the transverse section of the fixing frame (711) is connected with sliding blocks (713) in an up-down symmetrical sliding mode through sliding columns (712), racks (714) meshed with the gears (79) are fixedly connected to opposite sides of the two sliding blocks (713) together, and a clutch assembly (7 c) used for controlling the racks (714) to be meshed with or separated from the gears (79) is mounted on the front end face of the mounting plate (6).

2. The elevator wedge precision drilling apparatus of claim 1, wherein: the calibrating mechanism (8) comprises a calibrating plate (81), the calibrating plate (81) is symmetrically and slidingly connected with the upper end face of the base table (1), two adjusting screws (82) are connected to opposite sides of the calibrating plate (81) in a threaded mode, the upper end face of the calibrating plate (81) is fixedly connected with inclined plates (83), the inclined plates (83) incline from bottom to top gradually towards the axis side close to the drill rod (5), sliding boxes (84) corresponding to the inclined plates (83) are symmetrically and fixedly connected with the lower end face of the transverse plate (4) through fixing rods, sliding blocks are connected inside the sliding boxes (84) in a sliding mode through pressure springs, and the lower end faces of the sliding blocks are used for extruding columns (85) matched with the inclined plates (83) through protruding rods in a fixedly connected mode.

3. The elevator wedge precision drilling apparatus of claim 1, wherein: the angle adjusting unit (7 a) comprises an adjusting ring (7 a 1), the front end face of the mounting plate (6) is rotationally connected with the adjusting ring (7 a 1) through a rotating shaft, a plurality of scale grooves (7 a 2) are formed in the circumference of the adjusting ring (7 a 1) at equal intervals, and the front end face of the mounting plate (6) is fixedly connected with a locking piece (7 a 3) matched with the scale grooves (7 a 2) through a spring telescopic column.

4. The elevator wedge precision drilling apparatus of claim 1, wherein: the trigger piece (7 b) comprises a convex pressing plate (7 b 1), the upper portion of the tongue clamping plate (75) is hinged with a convex pressing plate (7 b 1) corresponding to the clamping hole (76) through a lug matching torsion spring, the lower end face of the transverse plate (4) is fixedly connected with an L-shaped rod (7 b 2) corresponding to the convex pressing plate (7 b 1), the front end of the transverse section of the L-shaped rod (7 b 2) is hinged with a pressing rod (7 b 3) matched with the convex pressing plate (7 b 1), and a position holding spring (7 b 4) is fixedly connected between the L-shaped rod (7 b 2) and the pressing rod (7 b 3) in an up-down symmetrical mode.

5. The elevator wedge precision drilling apparatus of claim 1, wherein: the clutch assembly (7 c) comprises a folding plate (7 c 1), the upper part of the front end face of the rack (714) is fixedly connected with the folding plate (7 c 1), the front end face of the mounting plate (6) is fixedly connected with a cylinder (7 c 2) matched with the folding plate (7 c 1) through a connecting plate, the lower part of the right end face of the rack (714) is fixedly connected with a folding plate (7 c 3), and the front end face of the mounting plate (6) is fixedly connected with a cylinder (7 c 4) matched with the folding plate (7 c 3) through a fixing plate.

6. The elevator wedge precision drilling apparatus of claim 3, wherein: the utility model discloses a hydraulic pressure regulating device, including adjusting ring (7 a 1), terminal surface lower part installs return subassembly (9) before adjusting ring (7 a 1), return subassembly (9) include barrel (91), anterior fixedly connected with barrel (91) of adjusting ring (7 a 1), inside sliding connection of barrel (91) has piston (92), piston (92) lower extreme fixedly connected with is used for receiving driving lever (93) with triangle fixture block (77) complex L shape.

7. The elevator wedge precision drilling apparatus of claim 1, wherein: the fixing frame (711) is of an inverted F shape, a group of sliding columns (712) are fixedly connected to the rear end faces of two transverse sections of the fixing frame (711), each group of sliding columns (712) is externally connected with the sliding block (713) in a sliding mode, and a limiting block is fixedly connected to the rear end of each sliding column (712).

8. The elevator wedge precision drilling apparatus of claim 7, wherein: the inner cavity of the sliding block (713) is symmetrically and fixedly connected with an arc friction plate (11) attached to the sliding column (712) through a top spring (10).