CN220219144U - High-altitude punching and drilling device - Google Patents

Abstract

The utility model discloses a high-position punching and drilling device which comprises a telescopic vertical rod, a supporting base, a driving assembly, a supporting bracket and an electric drill, wherein the telescopic vertical rod sequentially comprises a lower rod, a middle rod and an upper rod which are in sliding fit from top to bottom, two ends of the middle rod are respectively arranged in the lower rod and the upper rod in a penetrating manner, the middle rod can adjust the lengths of the lower rod and the upper rod according to the use requirement, the supporting base is arranged at the bottom of the lower rod, the driving assembly for adjusting the extending length of the middle rod is arranged at the superposition position of the top of the lower rod and the middle rod, the supporting bracket is arranged at the top of the upper rod, the electric drill is arranged at the supporting bracket and fixed on the upper rod through a hoop, and a spring switch of the electric drill is always kept in an open state. The utility model has the advantages of simple structure, ingenious design, safety, high efficiency, small whole volume, good retractility, low requirements on construction sites, wide application range and high popularization and application value, and can conveniently and rapidly complete the punching operation of the top plate without climbing.

Description

High-altitude punching and drilling device

Technical Field

The utility model relates to the technical field of building construction, in particular to a high-altitude punching and drilling device.

Background

During building installation construction, the roof is required to be punched, and particularly, the installation engineering of a similar subway roof support and hanger is met, and the engineering has larger clear height and more holes to be punched. The traditional punching operation mode is that a worker stands on a movable scaffold or a lifter to punch holes by using a hand-held electric drill. However, the operation mode that the hand-held electric drill of the movable scaffold or the lifter on the worker station punches holes has potential safety hazards on one hand, and on the other hand, when holes are more punched, the movable scaffold or the lifter is required to be continuously moved, workers are required to frequently climb up and climb down, the operation efficiency is low, the lifter has requirements on the size of the surrounding environment, the movable scaffold or the lifter can only operate in a relatively wide environment, and the cost is relatively high.

Disclosure of Invention

The utility model aims to provide a high-altitude punching and drilling device for solving the technical problems in the background technology.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a eminence drilling device that punches, includes flexible pole setting, support base, drive assembly, support bracket and electric drill, flexible pole setting top-down includes sliding fit's lower part pole, middle part pole and upper portion pole in proper order, the middle part pole both ends wear to establish respectively in lower part pole and upper portion pole, and the middle part pole can be according to the length of lower part pole and upper portion pole of user demand adjustment extension, and the middle part pole can the complete retraction lower part pole and upper portion pole in, support base is installed to lower part pole bottom, and the drive assembly of adjusting middle part pole extension length is installed with middle part pole coincide position to lower part pole top, upper portion pole top is provided with the support bracket, the electric drill is placed in support bracket department and is fixed on the upper portion pole through the lasso, and the spring switch of electric drill remains open state all the time.

Preferably, the drive assembly comprises two mounting plates correspondingly fixed at the top of the lower rod, a through hole is formed in the lower rod between the two mounting plates, a rotating shaft is rotatably arranged between the two mounting plates, a driving gear is fixedly sleeved on the rotating shaft, one end of the rotating shaft is fixedly provided with a rocker for driving the driving gear to rotate, a toothed plate is fixed on one side, facing the driving gear, of the middle rod, and the driving gear penetrates through the through hole in the lower rod to be meshed with the toothed plate.

Preferably, the other end of the rotating shaft is fixedly sleeved with a ratchet wheel, a pawl matched with the ratchet wheel is arranged on the mounting plate close to one side of the ratchet wheel through a connecting shaft and a torsion spring, and when the pawl is in a meshed state with the ratchet wheel, the driving gear cannot rotate towards the direction of retracting the middle rod.

Preferably, a limiting block is fixed at the mounting plate of one side of the pawl away from the ratchet wheel.

Preferably, the lifting arm rod is rotatably installed on the rotating shaft, the length of a force arm of the lifting arm rod is larger than that of the rotating shaft, the front end of the lifting arm rod is U-shaped, two U-shaped arms at the front end of the lifting arm rod are respectively rotatably installed on the rotating shaft at the inner sides of the mounting plates, the clamping rod is penetrated inside the lifting arm rod, the front end of the clamping rod is a tooth-shaped head matched with the driving gear, the rear end of the clamping rod is connected with the lifting arm rod through a spring, a -shaped adjusting groove is formed in the lifting arm rod, an adjusting bolt is fixed on the clamping rod, the adjusting bolt penetrates through the adjusting groove and extends to the outer side of the lifting arm rod, when the adjusting bolt is positioned in a groove cavity at the front end of the adjusting groove, the tooth-shaped head at the front end of the clamping rod is meshed with the driving gear, and when the adjusting bolt is positioned in a groove cavity at the rear end of the adjusting groove, the tooth-shaped head at the front end of the clamping rod is in a separated state with the driving gear.

Preferably, a toothed plate with a length which is not arranged is reserved at the two ends of the top and the bottom of the middle rod.

Preferably, a spring latch is arranged at the top of the middle rod, and the length of the spring latch from the top end of the toothed plate is smaller than that of the through hole from the top end of the lower rod.

Preferably, the support base comprises a hinged support in the middle, four groups of hinge lugs are uniformly distributed on the hinged support at annular intervals, the four groups of hinge lugs are provided with a telescopic supporting leg with adjustable length through hinge bolts, a supporting leg diagonal bracing is arranged on the telescopic supporting leg through a fixing bolt, and the supporting leg diagonal bracing is fixedly connected with a sliding sleeve sleeved on a lower rod through the fixing bolt.

Preferably, universal wheels with brake components are arranged at the bottoms of the telescopic supporting legs.

Preferably, the top of the middle rod and the bottom of the upper rod are correspondingly provided with a plurality of groups of bolt penetrating holes, and the bolt penetrating holes formed in the middle rod are at least aligned with the bolt penetrating holes formed in the upper rod and are provided with connecting bolts in a penetrating manner.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure and ingenious design, can conveniently and rapidly complete the punching operation of the top plate position without climbing through the cooperation of the telescopic upright rod and the driving component, is safe and efficient, has smaller whole volume, good retractility, low requirements on construction sites and wide application range, and has higher popularization and application values.

Drawings

The foregoing and/or other aspects and advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the support base of the present utility model;

FIG. 3 is a schematic view of the structure of the driving assembly of the present utility model;

FIG. 4 is a schematic view of the drive assembly of the present utility model with portions broken away;

FIG. 5 is a schematic view of the junction of the middle and upper bars of the present utility model;

fig. 6 is a schematic view of the structure of the support bracket of the present utility model.

Reference numerals: 1. a telescopic upright rod; 101. a lower rod; 102. a middle rod; 103. an upper rod; 104. spring clamping tenons; 105. penetrating the bolt hole; 106. a connecting bolt; 107. a through hole; 2. a support base; 201. a hinged support; 202. a sliding sleeve; 203. a telescopic support leg; 204. supporting leg diagonal bracing; 205. a hinge bolt; 206. a fixing bolt; 207. a universal wheel; 3. a drive assembly; 301. a mounting plate; 302. a rotating shaft; 303. a drive gear; 304. a toothed plate; 305. a rocker; 306. a ratchet wheel; 307. a pawl; 308. a connecting shaft; 309. a limiting block; 310. lifting the arm lever; 311. a clamping rod; 312. a spring; 313. an adjustment tank; 314. an adjusting bolt; 4. a support bracket; 5. electric drill; 6. a ferrule.

Detailed Description

Hereinafter, an embodiment of a high-altitude perforating device of the present utility model will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms "front", "rear", "left", "right", "top", "bottom", "upper", "lower", "inner", "outer", "transverse", "longitudinal", "vertical", "diagonal", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model. The preferred embodiment of the present utility model is described in further detail below in conjunction with fig. 1-6:

as shown in fig. 1-6, the high-position punching and drilling device comprises a telescopic vertical rod 1, a supporting base 2, a driving assembly 3, a supporting bracket 4 and an electric drill 5, wherein the telescopic vertical rod 1 is made of square steel, the telescopic vertical rod 1 sequentially comprises a lower rod 101, a middle rod 102 and an upper rod 103 which are in sliding fit from top to bottom, two ends of the middle rod 102 are respectively arranged in the lower rod 101 and the upper rod 103 in a penetrating manner, the length of the middle rod 102 extending out of the lower rod 101 and the upper rod 103 can be adjusted according to the use requirement, the middle rod 102 can be completely retracted into the lower rod 101 and the upper rod 103, the three-stage design form can enable the telescopic vertical rod 1 to have a larger telescopic adjusting space, so that the telescopic vertical rod is convenient to fold and store, can be constructed at a clearance shortage, and has a longer extending length at a larger clearance so that the use range is wider;

as shown in fig. 2, a supporting base 2 is installed at the bottom of the lower rod 101, the supporting base 2 includes a middle hinged seat 201, four groups of hinged lugs are uniformly distributed on the hinged seat 201 according to annular intervals, four groups of hinged lugs are provided with a telescopic supporting leg 203 with adjustable length through hinged bolts 205, the telescopic supporting leg 203 is formed by matching bolts with square steel with one square steel with holes (with the hole spacing of 20 cm) sleeved in one square steel with holes, the tail end of each telescopic supporting leg 203 is preferably provided with two groups of hinged bolts 205, one group of hinged bolts 205 is used for connecting the telescopic supporting leg 203 with the hinged lug, the other group of hinged bolts 205 limits the telescopic supporting leg 203 to prevent the telescopic supporting leg 203 from relatively rotating with a larger amplitude, one supporting leg diagonal brace 204 is arranged on the telescopic supporting leg 203 through a fixed bolt 206, the supporting leg diagonal brace 204 is fixedly connected with a sliding sleeve 202 sleeved on the lower rod 101 through the fixed bolt 206, a universal wheel 207 with a brake assembly is arranged at the bottom of the telescopic supporting leg 203, two sliding sleeves 202 are arranged, one of the three supporting leg sleeves 202 are connected with the other diagonal braces 204 in a sliding sleeve 204;

as shown in fig. 3-4, a driving component 3 for adjusting the extending length of the middle rod 102 is arranged at the overlapping position of the top of the lower rod 101 and the middle rod 102, the top end of the lower rod 101 is preferably 1.4-1.6m, the driving component 3 is positioned at the chest position of an operator, the operator can conveniently control the driving component 3, the driving component 3 comprises two mounting plates 301 correspondingly fixed at the top of the lower rod 101, a through hole 107 is arranged at the position of the lower rod 101 between the two mounting plates 301, a rotating shaft 302 is rotatably arranged between the two mounting plates 301, a driving gear 303 is fixedly sleeved on the rotating shaft 302, a rocker 305 for driving the driving gear 303 to rotate is fixedly arranged at one end of the rotating shaft 302, a toothed plate 304 is fixedly arranged at one side of the middle rod 102 facing the driving gear 303, the driving gear 303 passes through the through hole 107 on the lower rod 101 and is meshed with the toothed plate 304, the extension length of the toothed plate 304 needs to be shorter than the length of the middle rod 102, that is, a section of length is reserved at the top and bottom ends of the middle rod 102, the toothed plate 304 is not arranged, the reserved length at the top end can avoid the waste of the toothed plate 304 (because the through hole 107 is arranged at a position which is a distance from the top end of the lower rod 101, the toothed plate 304 cannot be arranged above the through hole), the reserved length below can avoid the middle rod 102 from falling out of the lower rod 101 to form a safety when the middle rod 102 is stretched out and adjusted, of course, in order to prevent the reserved position above the middle rod 101 from falling into the lower rod 101 to be too large in length, so that the toothed plate 304 is separated from the driving gear 303, the top end of the middle rod 102 is provided with a spring tenon 104, the length of the spring tenon 104 from the top end of the toothed plate 304 is smaller than the length of the through hole 107 from the top end of the lower rod 101, in order to prevent the driving gear 303 from reversing, the other end of the rotating shaft 302 is fixedly sleeved with a ratchet 306, the pawl 307 matched with the ratchet 306 is arranged on the mounting plate 301 close to one side of the ratchet 306 through the connecting shaft 308 and the torsion spring, the pawl 307 and the ratchet 306 form a descending rod safety, when the pawl 307 is in a meshed state with the ratchet 306, the driving gear 303 cannot rotate towards the direction for retracting the middle rod 102, when rod descending operation is needed, the pawl 307 is only required to be pulled backwards to be separated from the ratchet 306, at the moment, the rocker 305 can be reversely rotated, the operation of retracting the middle rod 102 into the lower rod 101 is realized, at the moment, in order to prevent the torsion spring from being damaged due to too strong force when the pawl 307 is pulled backwards, a limiting block 309 is fixed at the mounting plate 301 on one side of the pawl 307 away from the ratchet 306, and the limiting block 309 is arranged to ensure that an operator can pull the pawl 307 backwards in a safe way without carefully pulling the pawl 306 to influence the operation efficiency;

in certain construction scenes, hole punching and drilling are relatively laborious, at this moment, the extension of the telescopic vertical rod 1 can be relatively laborious only by shaking the rocker 305, therefore, a jacking arm rod 310 can be rotatably installed on the rotating shaft 302, the arm length of the jacking arm rod 310 needs to be larger than the arm length of the rotating shaft 302, the front end of the jacking arm rod 310 is U-shaped, two U-shaped arms at the front end of the jacking arm rod 310 are rotatably installed on the rotating shaft 302 respectively at the inner side of the mounting plate 301, a clamping rod 311 is penetrated in the jacking arm rod 310, the front end of the clamping rod 311 is a tooth-shaped head matched with the driving gear 303, the rear end of the clamping rod 311 is connected with the jacking arm rod 310 through a spring 312, in order to realize the fixation of the rear end of the spring 312 in a cavity of the jacking arm rod 310 more conveniently, a bolt is penetrated at a proper position of the jacking arm rod 310 to be used for switching, the rear end of the spring 312 is directly fixed on the bolt, an adjusting groove 313 in a shape is formed in the jacking arm rod 310, an adjusting bolt 314 is fixed on the clamping rod 311, the adjusting bolt 314 penetrates through the adjusting groove 313, the adjusting groove 314 to the tooth-shaped groove, and the adjusting bolt 314 penetrates the adjusting groove to the adjusting groove, and is in a tooth-shaped groove 313 and is meshed with the front end of the tooth-shaped groove 313 when the adjusting groove 313 is positioned at the front end of the adjusting groove 313 and is meshed with the tooth-shaped groove 313 when the adjusting groove 311;

as shown in fig. 5, a plurality of sets of bolt penetrating holes 105 are correspondingly formed at the top of the middle rod 102 and the bottom of the upper rod 103, at least one set of bolt penetrating holes 105 formed in the middle rod 102 and at least one set of bolt penetrating holes 105 formed in the upper rod 103 are mutually aligned and are penetrated with connecting bolts 106, and the length of the middle rod 102 extending into the upper rod 103 can be conveniently realized by adjusting the penetrating position of the connecting bolts 106, so that the length adjustment of the telescopic upright 1 is realized;

as shown in fig. 6, the top of the upper rod 103 is provided with a supporting bracket 4, the electric drill 5 is placed at the supporting bracket 4 and fixed on the upper rod 103 by a hoop 6 made of iron wires or U-shaped buckles, etc., and a spring switch of the electric drill 5 is wound and fixed on the supporting bracket 4 by an adhesive tape to keep the electric drill in an open state all the time, of course, a power line of the electric drill 5 needs to be long enough to ensure that the electric drill can extend to a ground position, and the working state of the electric drill is controlled by the on-off of a plug at the tail end of the power line.

The specific operation process of the utility model mainly comprises the following steps,

the first step: expanding the support base 2, adjusting the length of the telescopic support leg 203 according to the environment, inserting bolts to fix the length of the telescopic support leg 203, then installing the support leg diagonal brace 204, adjusting the angle position of the support leg diagonal brace 204, inserting and screwing the fixing bolts 206 at the upper end to fix the sliding sleeve 202 and the lower rod 101 in a jacking mode, and inserting the fixing bolts 206 at the lower end to fix the support leg diagonal brace 204 and the telescopic support leg 203;

and a second step of: the middle rod 102 is pulled out from the lower rod 101 until the spring clamping tenon 104 pops out to fix the middle rod 102;

and a third step of: fixing the electric drill 5 on the upper end of the upper rod 103, sleeving the upper rod 103 on the middle rod 102 to adjust the height, penetrating the connecting bolt 106 into the bolt penetrating holes 105 aligned with the middle rod 102 and the upper rod 103 to fix the two;

fourth step: by rotating (backward) rocker 305, drive gear 303 and ratchet 306 rotate backward, because drive gear 303 is meshed with toothed plate 304 on middle rod 102, drive gear 303 rotates and can pull middle rod to rise (rocker 305 makes one turn, middle rod 102 rises by 2 pi r distance, r is radius of drive gear 303, wherein drive gear 303 can be according to actual lifting requirement range);

fifth step: after the middle rod 102 is lifted to a specified position by the rocker 305 (the upper electric drill 5 is in contact with the top plate), the rocker 305 stops rotating, the middle rod 102 has a downward descending trend, the driving gear 303 and the ratchet 306 are driven to rotate forwards for a small distance, and then the lower rod formed by the ratchet 307 is locked and does not rotate any more, so that the height of the middle rod 102 is ensured to be fixed;

sixth step: the electric drill 5 is powered on, and the electric drill 5 starts to work;

seventh step: maintaining the adjusting bolt 314 of the jacking arm rod 310 in a closed state (in a groove cavity at the rear end of the adjusting groove 313), lifting the jacking arm rod 310 upwards, opening the adjusting bolt 314 of the jacking arm rod 310 (pushing the jacking arm rod 310 to the groove cavity at the front end of the adjusting groove 313), ejecting the clamping rod 311 at the front end of the jacking arm rod 310, engaging with the driving gear 303, driving the driving gear 303 and the ratchet 306 to rotate backwards by rotating the jacking arm rod 310 downwards, thereby applying upward jacking thrust to the middle rod 102, and ensuring the drilling efficiency of the electric drill 5 (the jacking arm rod 310 can only rotate for half a circle, driving the lifting distance of the middle rod 102 to be pi r, r is the radius of the driving gear 303, and the length of the jacking arm rod 310 is as long as possible so as to increase the length of the arm and facilitate force application);

eighth step: after drilling, the power supply is turned off, the adjusting bolt 314 of the lifting arm rod 310 is pulled into the groove cavity (the closing state) at the rear end of the adjusting groove 313, the lifting arm rod 310 is disabled, the rocker 305 can work at the moment, the right hand holds the rocker 305, the left hand backwards breaks the pawl 307 to prop against the limiting block 309, the pawl 307 is separated from the ratchet wheel 306, and the right hand controls the rocker 305 to slowly descend the middle rod 102 to a proper position;

ninth step: moving the device to a next drilling position;

tenth step: repeating the fourth step to the ninth step until all the hole drilling operations are completed;

eleventh step: lowering the middle rod 102 to the fixed position of the spring clamping tenon 104, detaching the upper rod 103, taking down the electric drill 5, manually pressing down the spring clamping tenon 104, and putting the middle rod 102 into the lower rod 101;

twelfth step: the telescopic support leg 203 is shortened and lifted by taking down the support leg diagonal brace 204, and the telescopic support leg 203 is fixed by being clamped by the hinge bolt 205 on the hinge support 201, so that the use operation is completed.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. A high-altitude punching and drilling device, which is characterized in that: including flexible pole setting (1), support base (2), drive assembly (3), support bracket (4) and electric drill (5), flexible pole setting (1) top-down includes sliding fit's lower part pole (101), middle part pole (102) and upper portion pole (103) in proper order, establish respectively in lower part pole (101) and upper portion pole (103) at middle part pole (102) both ends, and middle part pole (102) can stretch out the length of lower part pole (101) and upper portion pole (103) according to the user demand adjustment, and in middle part pole (102) can fully retract lower part pole (101) and upper portion pole (103), support base (2) are installed to lower part pole (101) bottom, and drive assembly (3) of adjusting middle part pole (102) stretch out length are installed at lower part pole (101) top and middle part pole (102) coincide position, upper portion pole (103) top is provided with support bracket (4), electric drill (5) are placed in support bracket (4) department and are fixed in upper portion pole (103) and are kept open state in electric drill switch (5) all the time.

2. A high-rise drilling apparatus as claimed in claim 1, wherein: the driving assembly (3) comprises two mounting plates (301) which are correspondingly fixed on the top of the lower rod (101), a through hole (107) is formed in the position of the lower rod (101) between the two mounting plates (301), a rotating shaft (302) is rotatably arranged between the two mounting plates (301), a driving gear (303) is fixedly sleeved on the rotating shaft (302), one end of the rotating shaft (302) is fixedly provided with a rocker (305) which drives the driving gear (303) to rotate, one side, facing the driving gear (303), of the middle rod (102) is fixedly provided with a toothed plate (304), and the driving gear (303) penetrates through the through hole (107) in the lower rod (101) to be meshed with the toothed plate (304).

3. A high-rise drilling apparatus as claimed in claim 2, wherein: the ratchet wheel (306) is fixedly sleeved at the other end of the rotating shaft (302), a pawl (307) matched with the ratchet wheel (306) is arranged on the mounting plate (301) close to one side of the ratchet wheel (306) through a connecting shaft (308) and a torsion spring, and when the pawl (307) is in a meshed state with the ratchet wheel (306), the driving gear (303) cannot rotate towards the direction of retracting the middle rod (102).

4. A high-end hole drilling device according to claim 3, characterized in that: a limiting block (309) is fixed at the mounting plate (301) on one side, far away from the ratchet wheel (306), of the pawl (307).

5. A high-rise drilling apparatus as claimed in claim 2, wherein: the lifting arm rod (310) is rotatably installed on the rotating shaft (302), the arm length of the lifting arm rod (310) is larger than that of the rotating shaft (302), the front end of the lifting arm rod (310) is U-shaped, two U-shaped arms at the front end of the lifting arm rod (310) are rotatably installed on the rotating shaft (302) respectively at the inner side of the mounting plate (301), the clamping rod (311) is penetrated inside the lifting arm rod (310), the front end of the clamping rod (311) is a tooth-shaped head matched with the driving gear (303), the rear end of the clamping rod (311) is connected with the lifting arm rod (310) through a spring (312), a -shaped adjusting groove (313) is formed in the lifting arm rod (310), an adjusting bolt (314) is fixed on the clamping rod (311), the adjusting bolt (314) penetrates through the adjusting groove (313) to the outer side of the lifting arm rod (310), when the adjusting bolt (314) is positioned in a groove cavity at the front end of the adjusting groove, the tooth-shaped head at the front end of the clamping rod (311) is connected with the driving gear (303), and the tooth-shaped head at the position of the front end of the clamping rod (311) is meshed with the tooth-shaped head (313) when the adjusting bolt (314) is positioned at the front end of the adjusting groove (313).

6. A high-rise drilling apparatus as claimed in claim 2, wherein: the two ends of the top and the bottom of the middle rod (102) are respectively provided with a toothed plate (304) with a length which is not provided.

7. The overhead perforating and drilling assembly of claim 6, wherein: the top of the middle rod (102) is provided with a spring clamping tenon (104), and the length of the spring clamping tenon (104) from the top end of the toothed plate (304) is smaller than that of the through hole (107) from the top end of the lower rod (101).

8. A high-rise drilling apparatus as claimed in claim 1, wherein: the support base (2) comprises a hinged support (201) in the middle, four groups of hinge lugs are uniformly distributed on the hinged support (201) at annular intervals, a telescopic supporting leg (203) with adjustable length is installed at the four groups of hinge lugs through hinge bolts (205), a supporting leg diagonal bracing (204) is arranged on the telescopic supporting leg (203) through a fixing bolt (206), and the supporting leg diagonal bracing (204) is fixedly connected with a sliding sleeve (202) sleeved on a lower rod (101) through the fixing bolt (206).

9. The overhead perforating and drilling assembly of claim 8, wherein: the bottom of the telescopic supporting leg (203) is provided with a universal wheel (207) with a brake component.

10. A high-rise drilling apparatus as claimed in claim 1, wherein: the top of the middle rod (102) and the bottom of the upper rod (103) are correspondingly provided with a plurality of groups of bolt penetrating holes (105), and the bolt penetrating holes (105) formed in the middle rod (102) are aligned with at least one group of bolt penetrating holes (105) formed in the upper rod (103) and are penetrated by connecting bolts (106).